From 8b04ed5fd9118f0defb2f4cd1f80bafce49650b4 Mon Sep 17 00:00:00 2001
From: Ralph Amissah <ralph.amissah@gmail.com>
Date: Fri, 15 Nov 2019 20:38:38 -0500
Subject: org renaming

---
 org/in_source_files.org         |  667 ++++
 org/meta_abstraction.org        | 7828 ---------------------------------------
 org/metaverse.org               | 7828 +++++++++++++++++++++++++++++++++++++++
 org/out_harvest_metadata.org    |  862 +++++
 org/out_latex.org               | 1879 ++++++++++
 org/out_odt.org                 | 2517 +++++++++++++
 org/out_sqlite.org              | 1931 ++++++++++
 org/out_src_pod.org             |  443 +++
 org/out_xmls.org                | 3095 ++++++++++++++++
 org/out_xmls_css.org            | 2364 ++++++++++++
 org/out_zip.org                 |   45 +
 org/output_harvest_metadata.org |  862 -----
 org/output_latex.org            | 1879 ----------
 org/output_odt.org              | 2517 -------------
 org/output_sqlite.org           | 1931 ----------
 org/output_src_pod.org          |  443 ---
 org/output_xmls.org             | 3095 ----------------
 org/output_xmls_css.org         | 2364 ------------
 org/output_zip.org              |   45 -
 org/source_files_read.org       |  667 ----
 20 files changed, 21631 insertions(+), 21631 deletions(-)
 create mode 100644 org/in_source_files.org
 delete mode 100644 org/meta_abstraction.org
 create mode 100644 org/metaverse.org
 create mode 100644 org/out_harvest_metadata.org
 create mode 100644 org/out_latex.org
 create mode 100644 org/out_odt.org
 create mode 100644 org/out_sqlite.org
 create mode 100644 org/out_src_pod.org
 create mode 100644 org/out_xmls.org
 create mode 100644 org/out_xmls_css.org
 create mode 100644 org/out_zip.org
 delete mode 100644 org/output_harvest_metadata.org
 delete mode 100644 org/output_latex.org
 delete mode 100644 org/output_odt.org
 delete mode 100644 org/output_sqlite.org
 delete mode 100644 org/output_src_pod.org
 delete mode 100644 org/output_xmls.org
 delete mode 100644 org/output_xmls_css.org
 delete mode 100644 org/output_zip.org
 delete mode 100644 org/source_files_read.org

(limited to 'org')

diff --git a/org/in_source_files.org b/org/in_source_files.org
new file mode 100644
index 0000000..121b070
--- /dev/null
+++ b/org/in_source_files.org
@@ -0,0 +1,667 @@
+-*- mode: org -*-
+#+TITLE:       spine (doc_reform) markup source raw
+#+DESCRIPTION: documents - structuring, publishing in multiple formats & search
+#+FILETAGS:    :spine:sourcefile:read:
+#+AUTHOR:      Ralph Amissah
+#+EMAIL:       [[mailto:ralph.amissah@gmail.com][ralph.amissah@gmail.com]]
+#+COPYRIGHT:   Copyright (C) 2015 - 2019 Ralph Amissah
+#+LANGUAGE:    en
+#+STARTUP:     indent content hideblocks hidestars
+#+OPTIONS:     H:3 num:nil toc:t \n:nil @:t ::t |:t ^:nil _:nil -:t f:t *:t <:t
+#+OPTIONS:     TeX:t LaTeX:t skip:nil d:nil todo:t pri:nil tags:not-in-toc
+#+OPTIONS:     author:nil email:nil creator:nil timestamp:nil
+#+PROPERTY:    header-args :padline no :exports code :cache no :noweb yes
+#+EXPORT_SELECT_TAGS:  export
+#+EXPORT_EXCLUDE_TAGS: noexport
+#+TAGS: assert(a) class(c) debug(d) mixin(m) spine(s) tangle(T) template(t) WEB(W) noexport(n)
+
+[[./spine.org][spine]]  [[./][org/]]
+* imports
+
+#+name: imports_std
+#+BEGIN_SRC d
+import
+  doc_reform.meta,
+  doc_reform.source.paths_source,
+  std.file,
+  std.path;
+#+END_SRC
+
+* A. get _config file_ (read in)
+** _module template_                                     :module:config_files:
+
+#+BEGIN_SRC d :tangle "../src/doc_reform/source/read_config_files.d"
+/++
+  read configuration files<BR>
+  - read config files<BR>
+  meta_config_files.d
++/
+module doc_reform.source.read_config_files;
+<<meta_config_file_in>>
+<<meta_config_file_hub>>
+#+END_SRC
+
+*** 0. read config files (config_local_site & dr_document_make) (yaml)
+**** 1. site configuration
+
+#+name: meta_config_file_hub
+#+BEGIN_SRC d
+static template readConfigSite() {
+  import
+    doc_reform.meta.rgx;
+  <<imports_std>>
+  mixin DocReformRgxInit;
+  final auto readConfigSite(M,E)(
+    M      _manifested,
+    E      _env,
+    string _cli_config_path_set = ""
+  ) {
+    static auto rgx = Rgx();
+    string config_file_str;
+    string conf_filename = "NONE";
+    auto _conf_file_details = ConfigFilePaths!()(_manifested, _env, _cli_config_path_set);
+    string[] possible_config_path_locations = _conf_file_details.possible_config_path_locations.config_local_site;
+    foreach(conf_fn; [_conf_file_details.config_filename_site]) {
+      foreach(pth; possible_config_path_locations) {
+        char[] conf_file;
+        conf_filename = conf_fn;
+        if (exists(pth)) {
+          auto f_attrib = pth.getLinkAttributes;
+          if (
+            possible_config_path_locations.length == 1
+            && f_attrib.attrIsFile
+          ) {
+            conf_file = pth.to!(char[]);
+            conf_filename = pth.baseName;
+          } else if (f_attrib.attrIsDir) {
+            conf_file = ((chainPath(pth.to!string, conf_fn)).asNormalizedPath).array;
+            conf_filename = conf_fn;
+          }
+          try {
+            if (exists(conf_file)) {
+              if (conf_file.getLinkAttributes.attrIsFile) {
+                config_file_str = conf_file.readText;
+                break;
+              }
+            }
+          } catch (ErrnoException ex) {
+          } catch (FileException ex) {
+          }
+        }
+      }
+      if (config_file_str.length > 0) { break; }
+    }
+    struct _ConfContent {
+      string filename() {
+        return conf_filename;
+      }
+      string filetype() {
+        string _ft = "";
+        if (content.match(rgx.yaml_config)) {
+          _ft = "yaml";
+        }
+        return _ft;
+      }
+      string content() {
+        return config_file_str;
+      }
+    }
+    return _ConfContent();
+  }
+}
+#+END_SRC
+
+**** 2. document make/config
+
+#+name: meta_config_file_hub
+#+BEGIN_SRC d
+static template readConfigDoc() {
+  import
+    doc_reform.meta.rgx;
+  <<imports_std>>
+  mixin DocReformRgxInit;
+  final auto readConfigDoc(M,E)(M _manifested, E _env) {
+    static auto rgx = Rgx();
+    string config_file_str;
+    string conf_filename = "NONE";
+    auto _conf_file_details = ConfigFilePaths!()(_manifested, _env);
+    string[] possible_config_path_locations = _conf_file_details.possible_config_path_locations.dr_document_make;
+    foreach(conf_fn; [_conf_file_details.config_filename_document]) {
+      foreach(pth; possible_config_path_locations) {
+        auto conf_file = ((chainPath(pth.to!string, conf_fn)).asNormalizedPath).array;
+        conf_filename = conf_fn;
+        if (config_file_str.length > 0) {
+          break;
+        }
+        try {
+          if (exists(conf_file)) {
+            if (conf_file.getLinkAttributes.attrIsFile) {
+              config_file_str = conf_file.readText;
+              break;
+            }
+          }
+        } catch (ErrnoException ex) {
+        } catch (FileException ex) {
+        }
+      }
+      if (config_file_str.length > 0) { break; }
+    }
+    struct _ConfContent {
+      string filename() {
+        return conf_filename;
+      }
+      string content() {
+        return config_file_str;
+      }
+      string filetype() {
+        string _ft = "";
+        if (content.match(rgx.yaml_config)) {
+          _ft = "yaml";
+        }
+        return _ft;
+      }
+    }
+    return _ConfContent();
+  }
+}
+#+END_SRC
+
+*** 1. YAML config files get
+
+#+name: meta_config_file_yaml
+#+BEGIN_SRC d
+static template configYAML() {
+  import dyaml; //
+  <<imports_std>>
+  YAMLDocument configYAML(string configuration, string conf_yaml_filename) {
+    Node _yaml_conf;
+    try {
+      _yaml_conf = Loader.fromString(configuration).load()
+    } catch(ErrnoException e) {
+      stderr.writeln("Yaml problem with content for ", conf_yaml_filename);
+      stderr.writeln(e.msg);
+    }
+    return _yaml_conf;
+  }
+}
+#+END_SRC
+
+*** 2. YAML config (config_local_site & dr_document_make) :file:config:hub:
+
+#+name: meta_config_file_hub
+#+BEGIN_SRC d
+static template configReadSiteYAML() {
+  <<imports_std>>
+  final YAMLDocument configReadSiteYAML(M,E)(M _manifested, E _env) {
+    string _configuration = configReadInSiteYAML!()(_manifested, _env);
+    auto _conf_file_details = ConfigFilePaths!()(_manifested, _env);
+    string _conf_yaml_fn = _conf_file_details.config_filename_site;
+    YAMLDocument _yaml_conf = configYAML!()(_configuration, _conf_yaml_fn);
+    return _yaml_conf;
+  }
+}
+static template configReadDocYAML() {
+  <<imports_std>>
+  final YAMLDocument configReadDocYAML(M,E)(M _manifested, E _env) {
+    string _configuration = configReadInDocYAML!()(_manifested, _env);
+    auto _conf_file_details = ConfigFilePaths!()(_manifested, _env);
+    string _conf_yaml_fn = _conf_file_details.config_filename_document;
+    YAMLDocument _yaml_conf = configYAML!()(_configuration, _conf_yaml_fn);
+    return _yaml_conf;
+  }
+}
+#+END_SRC
+
+* B. get _markup source_, read file                       :module:source_files:
+** _module template_ (includes tuple)
+
+#+BEGIN_SRC d :tangle "../src/doc_reform/source/read_source_files.d"
+/++
+  module source_read_source_files;<BR>
+  - open markup files<BR>
+  - if master file scan for addional files to import/insert
++/
+module doc_reform.source.read_source_files;
+static template DocReformRawMarkupContent() {
+  import
+    doc_reform.meta.rgx;
+  <<imports_std>>
+  mixin DocReformRgxInit;
+  static auto rgx = Rgx();
+  string[] _images=[];
+  auto _extract_images(S)(S content_block) {
+    string[] images_;
+    string _content_block = content_block.to!string;
+    if (auto m = _content_block.matchAll(rgx.image)) {
+      images_ ~= m.captures[1].to!string;
+    }
+    return images_;
+  }
+  auto rawsrc = RawMarkupContent();
+  auto DocReformRawMarkupContent(O,Fn)(O _opt_action, Fn fn_src) {
+    auto _0_header_1_body_content_2_insert_filelist_tuple
+      = rawsrc.sourceContentSplitIntoHeaderAndBody(_opt_action, rawsrc.sourceContent(fn_src), fn_src);
+    return _0_header_1_body_content_2_insert_filelist_tuple;
+  }
+  struct RawMarkupContent {
+    final sourceContent(in string fn_src) {
+      auto raw = MarkupRawUnit();
+      auto source_txt_str
+        = raw.markupSourceReadIn(fn_src);
+      return source_txt_str;
+    }
+    final auto sourceContentSplitIntoHeaderAndBody(O)(O _opt_action, in string source_txt_str, in string fn_src="") {
+      auto raw = MarkupRawUnit();
+      string[] insert_file_list;
+      string[] images_list;
+      auto t
+        = raw.markupSourceHeaderContentRawLineTupleArray(source_txt_str);
+      auto header_raw = t[0];
+      auto sourcefile_body_content = t[1];
+      if (fn_src.match(rgx.src_fn_master)) { // filename with path needed if master file (.ssm) not otherwise
+        auto ins = Inserts();
+        auto tu
+          = ins.scan_master_src_for_insert_files_and_import_content(_opt_action, sourcefile_body_content, fn_src);
+        static assert(!isTypeTuple!(tu));
+        sourcefile_body_content = tu[0];
+        insert_file_list = tu[1].dup;
+        images_list = tu[2].dup;
+      } else if (_opt_action.source || _opt_action.pod) {
+        auto ins = Inserts();
+        auto tu
+          = ins.scan_master_src_for_insert_files_and_import_content(_opt_action, sourcefile_body_content, fn_src);
+        static assert(!isTypeTuple!(tu));
+        images_list = tu[2].dup;
+      }
+      string header_type = "";
+      if (header_raw.match(rgx.yaml_config)) {
+        header_type = "yaml";
+      }
+      t = tuple(
+        header_raw,
+        sourcefile_body_content,
+        header_type,
+        insert_file_list,
+        images_list
+      );
+      static assert(t.length==5);
+      return t;
+    }
+  }
+  struct MarkupRawUnit {
+    import std.file;
+    <<meta_markup_source_raw_read_file_source_string>>
+    <<meta_markup_source_raw_doc_header_and_content_split>>
+    <<meta_markup_source_raw_source_line_array>>
+    <<meta_markup_source_raw_read_in_file>>
+    <<meta_markup_source_raw_tuple_of_header_and_body>>
+    <<meta_markup_source_raw_get_insert_source_line_array>>
+  }
+  struct Inserts {
+    auto scan_subdoc_source(O)(
+      O        _opt_action,
+      char[][] markup_sourcefile_insert_content,
+      string   fn_src
+    ) {
+      mixin DocReformRgxInitFlags;
+      <<meta_inserts_scan>>
+      foreach (line; markup_sourcefile_insert_content) {
+        <<meta_inserts_scan_loop>>
+      } // end src subdoc (inserts) loop
+      <<meta_inserts_scan_post>>
+    }
+    auto scan_master_src_for_insert_files_and_import_content(O)(
+      O        _opt_action,
+      char[][] sourcefile_body_content,
+      string   fn_src
+    ) {
+      import std.algorithm;
+      mixin DocReformRgxInitFlags;
+      <<meta_master_doc_scan_for_insert_filenames>>
+      foreach (line; sourcefile_body_content) {
+        <<meta_master_doc_scan_for_insert_filenames_loop>>
+      } // end src doc loop
+      <<meta_master_doc_scan_for_insert_filenames_post>>
+    }
+  }
+}
+#+END_SRC
+
+** get markup source, read file                              :source:markup:
+*** read file, source string [#A]                                  :string:
+
+#+name: meta_markup_source_raw_read_file_source_string
+#+BEGIN_SRC d
+final private string readInMarkupSource(in char[] fn_src) {
+  enforce(
+    exists(fn_src)!=0,
+    "file not found: «" ~
+    fn_src ~ "»"
+  );
+  string source_txt_str;
+  try {
+    if (exists(fn_src)) {
+      if (fn_src.getLinkAttributes.attrIsFile) {
+        source_txt_str = fn_src.readText;
+      } else {
+      }
+    }
+  } catch (ErrnoException ex) {
+  } catch (UTFException ex) {
+    // Handle validation errors
+  } catch (FileException ex) {
+    // Handle errors
+  }
+  std.utf.validate(source_txt_str);
+  return source_txt_str;
+}
+#+END_SRC
+
+*** document header & content, array.length == 2 [#A]               :array:
+
+here you split document header and body, an array.length == 2
+split is on first match of level A~ (which is required)
+
+#+name: meta_markup_source_raw_doc_header_and_content_split
+#+BEGIN_SRC d
+final private char[][] header0Content1(in string src_text) {
+  /+ split string on _first_ match of "^:?A~\s" into [header, content] array/tuple +/
+  char[][] header_and_content;
+  auto m = (cast(char[]) src_text).matchFirst(rgx.heading_a);
+  header_and_content ~= m.pre;
+  header_and_content ~= m.hit ~ m.post;
+  assert(header_and_content.length == 2,
+    "document markup is broken, header body split == "
+    ~ header_and_content.length.to!string
+    ~ "; (header / body array split should == 2 (split is on level A~))"
+  );
+  return header_and_content;
+}
+#+END_SRC
+
+*** source line array                                               :array:
+
+#+name: meta_markup_source_raw_source_line_array
+#+BEGIN_SRC d
+final private char[][] markupSourceLineArray(in char[] src_text) {
+  char[][] source_line_arr
+    = (cast(char[]) src_text).split(rgx.newline_eol_strip_preceding);
+  return source_line_arr;
+}
+#+END_SRC
+
+*** source content raw line array                                   :array:
+- used for regular .sst files; master .ssm files and; .ssi inserts
+- regex is passed for relevant enforce match
+
+**** read in file
+
+#+name: meta_markup_source_raw_read_in_file
+#+BEGIN_SRC d
+auto markupSourceReadIn(in string fn_src) {
+  static auto rgx = Rgx();
+  enforce(
+    fn_src.match(rgx.src_pth_sst_or_ssm),
+    "not a dr markup filename: «" ~
+    fn_src ~ "»"
+  );
+  auto source_txt_str = readInMarkupSource(fn_src);
+  return source_txt_str;
+}
+#+END_SRC
+
+**** tuple (a) header, (b) body content, (c) file insert list & (d) image list?
+
+- header
+- body content
+- file insert list
+- [image list?]
+
+#+name: meta_markup_source_raw_tuple_of_header_and_body
+#+BEGIN_SRC d
+auto markupSourceHeaderContentRawLineTupleArray(in string source_txt_str) {
+  string[] file_insert_list = [];
+  string[] images_list = [];
+  char[][] hc = header0Content1(source_txt_str);
+  char[] header = hc[0];
+  char[] source_txt = hc[1];
+  auto source_line_arr = markupSourceLineArray(source_txt);
+  string header_type = "";
+  if (header.match(rgx.yaml_config)) {
+    header_type = "yaml";
+  }
+  auto t = tuple(
+    header,
+    source_line_arr,
+    header_type,
+    file_insert_list,
+    images_list
+  );
+  return t;
+}
+#+END_SRC
+
+**** get insert source line array
+
+#+name: meta_markup_source_raw_get_insert_source_line_array
+#+BEGIN_SRC d
+final char[][] getInsertMarkupSourceContentRawLineArray(
+  in char[]    fn_src_insert,
+  Regex!(char) rgx_file
+) {
+  enforce(
+    fn_src_insert.match(rgx_file),
+    "not a dr markup filename: «" ~
+    fn_src_insert  ~ "»"
+  );
+  auto source_txt_str = readInMarkupSource(fn_src_insert);
+  auto source_line_arr = markupSourceLineArray(source_txt_str);
+  return source_line_arr;
+}
+#+END_SRC
+
+** get markup source, master file & inserts             :masterfile:inserts:
+[[./spine.org][spine]]  [[./][org/]]
+
+*** scan inserts (sub-document) source                    :scan_insert_src:
+**** scan subdoc source
+
+#+name: meta_inserts_scan
+#+BEGIN_SRC d
+char[][] contents_insert;
+int[string] type1 = flags_type_init;
+auto fn_pth_full = fn_src.match(rgx.src_pth_sst_or_ssm);
+auto markup_src_file_path = fn_pth_full.captures[1];
+#+END_SRC
+
+**** loop insert (sub-document)
+
+#+name: meta_inserts_scan_loop
+#+BEGIN_SRC d
+if (type1["curly_code"] == 1) {
+  type1["header_make"] = 0;
+  type1["header_meta"] = 0;
+  if (line.matchFirst(rgx.block_curly_code_close)) {
+    type1["curly_code"] = 0;
+  }
+  contents_insert ~= line;
+} else if (line.matchFirst(rgx.block_curly_code_open)) {
+  type1["curly_code"] = 1;
+  type1["header_make"] = 0;
+  type1["header_meta"] = 0;
+  contents_insert ~= line;
+} else if (type1["tic_code"] == 1) {
+  type1["header_make"] = 0;
+  type1["header_meta"] = 0;
+  if (line.matchFirst(rgx.block_tic_close)) {
+    type1["tic_code"] = 0;
+  }
+  contents_insert ~= line;
+} else if (line.matchFirst(rgx.block_tic_code_open)) {
+  type1["tic_code"] = 1;
+  type1["header_make"] = 0;
+  type1["header_meta"] = 0;
+  contents_insert ~= line;
+} else if (auto m = line.match(rgx.insert_src_fn_ssi_or_sst)) {
+  type1["header_make"] = 0;
+  type1["header_meta"] = 0;
+  auto insert_fn = m.captures[2];
+  auto insert_sub_pth = m.captures[1];
+  auto fn_src_insert
+    = chainPath(markup_src_file_path, insert_sub_pth ~ insert_fn).array;
+  auto raw = MarkupRawUnit();
+  auto markup_sourcesubfile_insert_content
+    = raw.getInsertMarkupSourceContentRawLineArray(fn_src_insert, rgx.src_fn_find_inserts);
+  debug(insert_file) {
+    writeln(line);
+    writeln(fn_src_insert);
+    writeln(
+      "  length contents insert array: ",
+      markup_sourcesubfile_insert_content.length
+    );
+  }
+  if (_opt_action.source || _opt_action.pod) {
+    _images ~= _extract_images(markup_sourcesubfile_insert_content);
+  }
+  auto ins = Inserts();
+  /+
+    - 1. load file
+    - 2. read lines
+    - 3. scan lines
+      - a. if filename insert, and insert filename
+         - repeat 1
+      - b. else
+         - add line to new array;
+         - build image list, search for any image files to add to image list
+  +/
+} else {
+  type1["header_make"] = 0;
+  type1["header_meta"] = 0;
+  contents_insert ~= line; // images to extract for image list?
+  if (_opt_action.source || _opt_action.pod) {
+    auto _image_linelist = _extract_images(line);
+    if (_image_linelist.length > 0) {
+      _images ~= _image_linelist;
+    }
+  }
+}
+#+END_SRC
+
+**** post loop
+
+#+name: meta_inserts_scan_post
+#+BEGIN_SRC d
+auto t = tuple(
+  contents_insert,
+  _images
+);
+return t;
+#+END_SRC
+
+*** scan document source                                         :scan_src:
+**** scan doc source
+
+#+name: meta_master_doc_scan_for_insert_filenames
+#+BEGIN_SRC d
+char[][] contents;
+int[string] type = flags_type_init;
+auto fn_pth_full = fn_src.match(rgx.src_pth_sst_or_ssm);
+auto markup_src_file_path = fn_pth_full.captures[1];
+char[][] contents_insert;
+string[] _images =[];
+string[] insert_file_list =[];
+#+END_SRC
+
+**** include inserts: _loop master_ scan for inserts (insert documents)
+
+#+name: meta_master_doc_scan_for_insert_filenames_loop
+#+BEGIN_SRC d
+if (type["curly_code"] == 1) {
+  if (line.matchFirst(rgx.block_curly_code_close)) {
+    type["curly_code"] = 0;
+  }
+  contents ~= line;
+} else if (line.matchFirst(rgx.block_curly_code_open)) {
+  type["curly_code"] = 1;
+  contents ~= line;
+} else if (type["tic_code"] == 1) {
+  if (line.matchFirst(rgx.block_tic_close)) {
+    type["tic_code"] = 0;
+  }
+  contents ~= line;
+} else if (line.matchFirst(rgx.block_tic_code_open)) {
+  type["tic_code"] = 1;
+  contents ~= line;
+} else if (auto m = line.match(rgx.insert_src_fn_ssi_or_sst)) {
+  auto insert_fn = m.captures[2];
+  auto insert_sub_pth = m.captures[1];
+  auto fn_src_insert
+    = chainPath(markup_src_file_path, insert_sub_pth ~ insert_fn).array;
+    insert_file_list ~= fn_src_insert.to!string;
+  auto raw = MarkupRawUnit();
+  /+ TODO +/
+  auto markup_sourcefile_insert_content
+    = raw.getInsertMarkupSourceContentRawLineArray(fn_src_insert, rgx.src_fn_find_inserts);
+  debug(insert_file) {
+    writeln(line);
+    writeln(fn_src_insert);
+    writeln(
+      "  length contents insert array: ",
+      markup_sourcefile_insert_content.length
+    );
+  }
+  auto ins = Inserts();
+  auto contents_insert_tu = ins.scan_subdoc_source(
+    _opt_action,
+    markup_sourcefile_insert_content,
+    fn_src_insert.to!string
+  );
+  contents ~= contents_insert_tu[0]; // images to extract for image list?
+  if (_opt_action.source || _opt_action.pod) {
+    auto _image_linelist = _extract_images(contents_insert_tu[0]);
+    if (_image_linelist.length > 0) {
+      _images ~= _image_linelist;
+    }
+  }
+  /+
+    - 1. load file
+    - 2. read lines
+    - 3. scan lines
+      - a. if filename insert, and insert filename
+         - repeat 1
+      - b. else
+         - add line to new array;
+         - build image list, search for any image files to add to image list
+  +/
+} else {
+  contents ~= line;
+  if (_opt_action.source || _opt_action.pod) {
+    auto _image_linelist = _extract_images(line);
+    if (_image_linelist.length > 0) {
+      _images ~= _image_linelist;
+    }
+  }
+}
+#+END_SRC
+
+**** post loop
+
+#+name: meta_master_doc_scan_for_insert_filenames_post
+#+BEGIN_SRC d
+string[] images = [];
+foreach(i; uniq(_images.sort())) {
+  images ~= i;
+}
+debug(insert_file) {
+  writeln(__LINE__);
+  writeln(contents.length);
+}
+auto t = tuple(
+  contents,
+  insert_file_list,
+  images
+);
+return t;
+#+END_SRC
+
+* __END__
diff --git a/org/meta_abstraction.org b/org/meta_abstraction.org
deleted file mode 100644
index e76e7b9..0000000
--- a/org/meta_abstraction.org
+++ /dev/null
@@ -1,7828 +0,0 @@
--*- mode: org -*-
-#+TITLE:       spine (doc_reform) document abstraction
-#+DESCRIPTION: documents - structuring, publishing in multiple formats & search
-#+FILETAGS:    :spine:abstraction:
-#+AUTHOR:      Ralph Amissah
-#+EMAIL:       [[mailto:ralph.amissah@gmail.com][ralph.amissah@gmail.com]]
-#+COPYRIGHT:   Copyright (C) 2015 - 2019 Ralph Amissah
-#+LANGUAGE:    en
-#+STARTUP:     indent content hideblocks hidestars
-#+OPTIONS:     H:3 num:nil toc:t \n:nil @:t ::t |:t ^:nil _:nil -:t f:t *:t <:t
-#+OPTIONS:     TeX:t LaTeX:t skip:nil d:nil todo:t pri:nil tags:not-in-toc
-#+OPTIONS:     author:nil email:nil creator:nil timestamp:nil
-#+PROPERTY:    header-args :padline no :exports code :cache no :noweb yes
-#+EXPORT_SELECT_TAGS:  export
-#+EXPORT_EXCLUDE_TAGS: noexport
-#+TAGS: assert(a) class(c) debug(d) mixin(m) spine(s) tangle(T) template(t) WEB(W) noexport(n)
-
-- [[./spine.org][spine]]  [[./][org/]]
-
-* 1. Document Abstraction
-Process markup document, create document abstraction.
-
-** _module template_                                 :module:metadoc_from_src:
-
-#+BEGIN_SRC d :tangle "../src/doc_reform/meta/metadoc_from_src.d"
-/++
-  document abstraction:
-  abstraction of sisu markup for downstream processing
-  metadoc_from_src.d
-+/
-module doc_reform.meta.metadoc_from_src;
-template DocReformDocAbstraction() {
-                                                                                /+ ↓ abstraction imports +/
-  <<abs_top_imports>>
-                                                                                /+ ↓ abstraction mixins +/
-  <<abs_top_mixins>>
-                                                                                /+ ↓ abstraction struct init +/
-  <<abs_top_init_struct>>
-  <<abs_inline_para_tag_associations>>
-                                                                                /+ ↓ abstract marked up document +/
-  auto DocReformDocAbstraction(CMM,Opt,Mf)(
-    char[][]           markup_sourcefile_content,
-    CMM                conf_make_meta,
-    Opt                opt_action,
-    Mf                 manifested,
-    bool               _new_doc
-  ) {
-    static auto rgx = Rgx();
-                                                                                /+ ↓ abstraction init +/
-    <<abs_init_rest>>
-                                                                                /+ abstraction init ↑ +/
-    <<make_tests>>
-                                                                                /+ ↓ ↻ loop markup document/text line by line +/
-    srcDocLoop:
-    foreach (line; markup_sourcefile_content) {                                 /+ ↓ markup document/text line by line +/
-                                                                                // "line" variable can be empty but should never be null
-      <<abs_in_loop_body_00>>
-      if (obj_type_status["code"] == TriState.on) {
-        <<abs_in_loop_body_00_code_block>>
-      } else if (!matchFirst(line, rgx.skip_from_regular_parse)) {              /+ object other than "code block" object +/
-                                                                                /+ (includes regular text paragraph, headings & blocks other than code) +/
-                                                                                /+ heading, glossary, blurb, poem, group, block, quote, table +/
-        <<abs_in_loop_body_non_code_obj>>
-        } else {                                                                /+ not within a block group +/
-          <<abs_in_loop_body_open_block_obj_assert>>
-          if (line.matchFirst(rgx.block_open)) {
-            <<abs_in_loop_body_open_block_obj>>
-          } else if (!line.empty) {                                             /+ line not empty +/
-                                                                                /+ non blocks (headings, paragraphs) & closed blocks +/
-            <<abs_in_loop_body_not_block_obj>>
-          } else if (obj_type_status["blocks"] == TriState.closing) {           /+ line empty, with blocks flag +/
-            <<abs_in_loop_body_not_block_obj_line_empty_blocks_flags>>
-          } else {                                                              /+ line.empty, post contents, empty variables: +/
-            <<abs_in_loop_body_not_block_obj_line_empty>>
-          }                                                                     // close else for line empty
-        }                                                                       // close else for not the above
-      }                                                                         // close after non code, other blocks or regular text
-      <<abs_in_loop_body_01>>
-    }                                                                           /+ ← srcDocLoop closed: loop markup document/text line by line +/
-                                                                                /+ ↓ post loop markup document/text +/
-    <<abs_post>>
-    <<abs_post_doc_reloop_processing>>
-    <<abs_struct_doc_has>>
-    <<abs_return_tuple>>
-                                                                                /+ post loop markup document/text ↑ +/
-  }                                                                             /+ ← closed: abstract doc source +/
-                                                                                /+ ↓ abstraction functions +/
-  <<abs_functions_object_reset>>
-  <<abs_functions_header_set_common>>
-  <<abs_functions_ocn_status>>
-  <<abs_functions_substitutions>>
-  <<abs_functions_block>>
-  <<abs_functions_block_quote>>
-  <<abs_functions_block_group>>
-  <<abs_functions_block_block>>
-  <<abs_functions_block_poem>>
-  <<abs_functions_block_code>>
-  <<abs_functions_block_table>>
-  <<abs_functions_block_biblio>>
-  <<abs_functions_block_line_status_empty>>
-  <<abs_functions_book_index>>
-  <<abs_functions_heading>>
-  <<abs_functions_para>>
-  <<abs_functions_table>>
-                                                                                /+ abstraction functions ↑ +/
-                                                                                /+ ↓ abstraction function emitters +/
-  <<meta_emitters_ocn>>
-                                                                                /+ +/
-  <<meta_emitters_obj_inline_markup_munge>>
-  <<meta_emitters_obj_inline_markup>>
-  <<meta_emitters_obj_inline_markup_and_anchor_tags_and_misc>>
-  <<meta_emitters_obj_inline_markup_table_of_contents>>
-  <<meta_emitters_obj_inline_markup_private>>
-  <<meta_emitters_obj_inline_markup_heading_numbering_segment_anchor_tags>>
-  <<meta_emitters_obj_inline_markup_close>>
-                                                                                /+ +/
-  <<meta_emitters_obj_attributes>>
-  <<meta_emitters_obj_attributes_public>>
-  <<meta_emitters_obj_attributes_private>>
-  <<meta_emitters_obj_attributes_private_an_attribute>>
-  <<meta_emitters_obj_attributes_private_json>>
-  <<meta_emitters_obj_attributes_private_close>>
-                                                                                /+ +/
-  <<meta_emitters_book_index_nugget>>
-  <<meta_emitters_book_index_report_indented>>
-  <<meta_emitters_book_index_report_section>>
-                                                                                /+ +/
-  <<meta_emitters_endnotes>>
-                                                                                /+ +/
-  <<meta_emitters_bibliography>>
-                                                                                /+ +/
-  <<meta_emitters_metadata>>
-                                                                                /+ abstraction functions emitters ↑ +/
-                                                                                /+ ↓ abstraction functions assertions +/
-  <<abs_functions_assertions>>
-                                                                                /+ abstraction functions assertions ↑ +/
-}                                                                               /+ ← closed: template DocReformDocAbstraction +/
-<<template_doc_sect_keys_seq>>
-#+END_SRC
-
-** 1. _pre loop processing_                                              :pre:
-*** imports                                                       :imports:
-[[./meta_defaults.org][meta_defaults]]
-
-#+name: abs_top_imports
-#+BEGIN_SRC d
-import doc_reform.meta;
-import
-  std.algorithm,
-  std.container,
-  std.file,
-  std.json,
-  std.path;
-import
-  doc_reform.meta.defaults,
-  doc_reform.meta.object_setter,
-  doc_reform.meta.rgx;
-#+END_SRC
-
-*** mixins                                                         :mixins:
-
-#+name: abs_top_mixins
-#+BEGIN_SRC d
-mixin ObjectSetter;
-mixin InternalMarkup;
-mixin DocReformRgxInit;
-#+END_SRC
-
-*** initialize                                                 :initialize:
-**** initialize general
-
-#+name: abs_top_init_struct
-#+BEGIN_SRC d
-/+ initialize +/
-ObjGenericComposite[] the_table_of_contents_section;
-ObjGenericComposite[] the_document_head_section, the_document_body_section, the_bibliography_section, the_glossary_section, the_blurb_section;
-ObjGenericComposite[] the_dom_tail_section;
-string[string] an_object, processing;
-string an_object_key;
-string[] anchor_tags;
-string anchor_tag;
-string anchor_tag_;
-string[string] tag_in_seg;
-string lev_anchor_tag;
-string[string][string] tag_assoc;
-string[] lv0_to_3_tags;
-/+ enum +/
-enum State { off, on }
-enum TriState { off, on, closing }
-enum DocStructMarkupHeading {
-  h_sect_A,
-  h_sect_B,
-  h_sect_C,
-  h_sect_D,
-  h_text_1,
-  h_text_2,
-  h_text_3,
-  h_text_4,
-  h_text_5, // extra level, drop
-  content_non_header
-} // header section A-D; header text 1-4
-enum Status { off, on, }
-enum OCNstatus { on, off, bkidx, closing, reset, }
-enum OCN_off_block_status { off, on }
-enum OCNtype { ocn, non, bkidx, }
-/+ biblio variables +/
-string biblio_tag_name, biblio_tag_entry, st;
-string[] biblio_arr_json;
-string biblio_entry_str_json;
-JSONValue[] bib_arr_json;
-int bib_entry;
-/+ counters +/
-int cntr, previous_count, previous_length;
-bool reset_note_numbers=true;
-int[string] line_occur;
-int html_segnames_ptr=0;
-int html_segnames_ptr_cntr=0;
-int verse_line, heading_ptr;
-/+ paragraph attributes +/
-int[string] indent;
-bool bullet = true;
-string content_non_header = "8";
-static auto obj_im = ObjInlineMarkup();
-static auto obj_att = ObjAttributes();
-/+ ocn +/
-struct OCNset {
-  int digit;
-  int object_number;
-  bool off;
-  string identifier;
-  int bkidx;
-  int type;
-}
-OCNset obj_cite_digits;
-int obj_cite_digit_, obj_cite_digit_off, obj_cite_digit_bkidx, obj_cite_digit_type;
-auto object_citation_number = OCNemitter();
-int[] dom_structure_markedup_tags_status         = [ 0, 0, 0, 0, 0, 0, 0, 0, 0,];
-int[] dom_structure_markedup_tags_status_buffer  = [ 0, 0, 0, 0, 0, 0, 0, 0, 0,];
-int[] dom_structure_collapsed_tags_status        = [ 0, 0, 0, 0, 0, 0, 0, 0, 0,];
-int[] dom_structure_collapsed_tags_status_buffer = [ 0, 0, 0, 0, 0, 0, 0, 0, 0,];
-enum DomTags { none, open, close, close_and_open, open_still, }
-#+END_SRC
-
-**** method heading ancestors
-
-#+name: abs_top_init_struct
-#+BEGIN_SRC d
-pure ObjGenericComposite obj_heading_ancestors()(
-  ObjGenericComposite  obj,
-  string[]             lv_ancestors_txt,
-) {
-  switch (obj.metainfo.heading_lev_markup) {
-  case 0:
-    lv_ancestors_txt[0] = obj.text.to!string;
-    foreach(k; 1..8) {
-      lv_ancestors_txt[k] = "";
-    }
-    goto default;
-  case 1:
-    lv_ancestors_txt[1] = obj.text.to!string;
-    foreach(k; 2..8) {
-      lv_ancestors_txt[k] = "";
-    }
-    goto default;
-  case 2:
-    lv_ancestors_txt[2] = obj.text.to!string;
-    foreach(k; 3..8) {
-      lv_ancestors_txt[k] = "";
-    }
-    goto default;
-  case 3:
-    lv_ancestors_txt[3] = obj.text.to!string;
-    foreach(k; 4..8) {
-      lv_ancestors_txt[k] = "";
-    }
-    goto default;
-  case 4:
-    lv_ancestors_txt[4] = obj.text.to!string;
-    foreach(k; 5..8) {
-      lv_ancestors_txt[k] = "";
-    }
-    goto default;
-  case 5:
-    lv_ancestors_txt[5] = obj.text.to!string;
-    foreach(k; 6..8) {
-      lv_ancestors_txt[k] = "";
-    }
-    goto default;
-  case 6:
-    lv_ancestors_txt[6] = obj.text.to!string;
-    lv_ancestors_txt[7] = "";
-    goto default;
-  case 7:
-    lv_ancestors_txt[7] = obj.text.to!string;
-    goto default;
-  default:
-    obj.tags.heading_ancestors_text = lv_ancestors_txt.dup;
-  }
-  return obj;
-}
-#+END_SRC
-
-**** method dom markup tags
-
-#+name: abs_top_init_struct
-#+BEGIN_SRC d
-pure ObjGenericComposite obj_dom_structure_set_markup_tags()(
-  ObjGenericComposite  obj,
-  int[]                dom,
-  int                  lev
-) {
-  foreach (i; 0 .. 8) {
-    if (i < lev) {
-      if (dom[i] == DomTags.open
-         || dom[i] == DomTags.close_and_open
-      ) {
-        dom[i] = DomTags.open_still;
-      } else if (dom[i] == DomTags.close) {
-        dom[i] = DomTags.none;
-      }
-    } else if (i == lev) {
-      if (lev  == 0
-        && dom[i] == DomTags.open_still
-      ) {
-        dom[i] = DomTags.close;
-      } else if (dom[i] == DomTags.open
-        || dom[i] == DomTags.open_still
-        || dom[i] == DomTags.close_and_open
-      ) {
-        dom[i] = DomTags.close_and_open;
-      } else {
-        dom[i] = DomTags.open;
-      }
-    } else if (i > lev) {
-      if (dom[i] == DomTags.close) {
-        dom[i] = DomTags.none;
-      } else if (dom[i] == DomTags.open
-        || dom[i] == DomTags.open_still
-        || dom[i] == DomTags.close_and_open
-      ) {
-        dom[i] = DomTags.close;
-      }
-    }
-  }
-  debug(dom_magic_numbers) {
-    writeln("marked up: ", lev, ": ", dom);
-  }
-  obj.metainfo.dom_structure_markedup_tags_status = dom.dup;
-  return obj;
-}
-#+END_SRC
-
-**** method dom collapsed tags
-
-#+name: abs_top_init_struct
-#+BEGIN_SRC d
-pure ObjGenericComposite obj_dom_set_collapsed_tags()(
-  ObjGenericComposite  obj,
-  int[]                dom,
-  int                  lev
-) {
-  foreach (i; 0 .. 8) {
-    if (i < lev) {
-      if (dom[i] == DomTags.open
-         || dom[i] == DomTags.close_and_open
-      ) {
-        dom[i] = DomTags.open_still;
-      } else if (dom[i] == DomTags.close) {
-        dom[i] = DomTags.none;
-      }
-    } else if (i == lev) {
-      if (lev  == 0
-        && dom[i] == DomTags.open_still
-      ) {
-        dom[i] = DomTags.close;
-      } else if (dom[i] == DomTags.open
-        || dom[i] == DomTags.open_still
-        || dom[i] == DomTags.close_and_open
-      ) {
-        dom[i] = DomTags.close_and_open;
-      } else {
-        dom[i] = DomTags.open;
-      }
-    } else if (i > lev) {
-      if (dom[i] == DomTags.close) {
-        dom[i] = DomTags.none;
-      } else if (dom[i] == DomTags.open
-        || dom[i] == DomTags.open_still
-        || dom[i] == DomTags.close_and_open
-      ) {
-        dom[i] = DomTags.close;
-      }
-    }
-  }
-  debug(dom_magic_numbers) {
-    writeln("collapsed: ", lev, ": ", dom);
-  }
-  obj.metainfo.dom_structure_collapsed_tags_status = dom.dup;
-  return obj;
-}
-#+END_SRC
-
-**** method ocn emit
-
-#+name: abs_top_init_struct
-#+BEGIN_SRC d
-static auto ocn_emit(int ocn_status_flag) {
-  return object_citation_number.ocn_emitter(ocn_status_flag);
-}
-static auto inline_markup_faces(L)(L line) {
-  static auto rgx = Rgx();
-  static auto mkup = InlineMarkup();
-  line = replaceAll!(m => mkup.quote_o ~ m[1] ~ mkup.quote_c)(line, rgx.within_quotes);
-  line = replaceAll!(m => mkup.mono ~ mkup.ff_o ~ m["text"] ~ mkup.ff_c ~ mkup.mono)(line, rgx.inline_mark_mono);
-  line = replaceAll!(m => mkup.cite ~ mkup.ff_o ~ m["text"] ~ mkup.ff_c ~ mkup.cite)(line, rgx.inline_mark_cite);
-  foreach (regx; [rgx.inline_mark_emphasis, rgx.inline_mark_bold, rgx.inline_mark_underscore, rgx.inline_mark_italics, rgx.inline_mark_superscript, rgx.inline_mark_subscript, rgx.inline_mark_strike, rgx.inline_mark_insert]) {
-    line = replaceAll!(m => m["mark"] ~ mkup.ff_o ~ m["text"] ~ mkup.ff_c ~ m["mark"])(line, regx);
-  }
-  return line;
-}
-static string links_and_images()(string obj_txt) {
-  static auto rgx = Rgx();
-  static auto mkup = InlineMarkup();
-  if (obj_txt.match(rgx.smid_inline_url_generic)) {
-    if (
-      obj_txt.match(rgx.smid_inline_link_endnote_url_helper)
-      || obj_txt.match(rgx.smid_inline_link_endnote_url_helper_punctuated)
-    ) {
-      obj_txt = replaceAll!(m => format("%s%s%s%s%s%s%s %s%s%s%s%s%s %s%s",
-        mkup.lnk_o, m["content"].strip, mkup.lnk_c,
-        mkup.url_o, m["link"], mkup.url_c,
-        mkup.en_a_o,
-        mkup.lnk_o, m["link"].strip, mkup.lnk_c,
-        mkup.url_o, m["link"], mkup.url_c,
-        mkup.en_a_c,
-        m[3]
-      ))(obj_txt, rgx.smid_inline_link_endnote_url_helper_punctuated);
-      obj_txt = replaceAll!(m => format("%s%s%s%s%s%s%s %s%s%s%s%s%s %s",
-        mkup.lnk_o, m["content"].strip, mkup.lnk_c,
-        mkup.url_o, m["link"], mkup.url_c,
-        mkup.en_a_o,
-        mkup.lnk_o, m["link"].strip, mkup.lnk_c,
-        mkup.url_o, m["link"], mkup.url_c,
-        mkup.en_a_c
-      ))(obj_txt, rgx.smid_inline_link_endnote_url_helper);
-  } else {
-      obj_txt = replaceAll!(m => format("%s%s%s%s%s%s%s",
-        m["pre"],
-        mkup.lnk_o, m["content"].strip, mkup.lnk_c,
-        mkup.url_o, m["link"], mkup.url_c
-      ))(obj_txt, rgx.smid_inline_link_markup_regular);
-    }
-      obj_txt = replaceAll!(m => format("%s%s%s%s%s%s%s",
-        m["pre"],
-        mkup.lnk_o, m["link"].strip, mkup.lnk_c,
-        mkup.url_o, m["link"], mkup.url_c
-      ))(obj_txt, rgx.smid_inline_link_naked_url); //
-  }
-  return obj_txt;
-}
-/+ book index variables +/
-string book_idx_tmp;
-string[][string][string] bookindex_unordered_hashes;
-/+ node +/
-ObjGenericComposite comp_obj_heading, comp_obj_location, comp_obj_block, comp_obj_code, comp_obj_poem_ocn, comp_obj_comment;
-auto node_construct = NodeStructureMetadata();
-enum sObj { content, anchor_tag, notes_reg, notes_star, links, image_no_dimensions }
-#+END_SRC
-
-*** inline para tag associations
-
-#+name: abs_inline_para_tag_associations
-#+BEGIN_SRC d
-string[string][string] inline_para_link_anchor()(
-  string[string]          an_object,
-  string[string]          tag_in_seg,
-  string[string][string]  tag_assoc
-) {
-  static auto rgx = Rgx();
-  if (auto m = an_object["substantive"].match(rgx.inline_link_anchor)) {
-    if (m.captures[1] !in tag_assoc) {
-      tag_assoc[(m.captures[1])]["seg_lv4"] = tag_in_seg["seg_lv4"];
-      tag_assoc[(m.captures[1])]["seg_lv1_to_4"] = tag_in_seg["seg_lv1_to_4"];
-    } else {
-      writeln("a tag named  already exists, check text line\n    ", an_object["substantive"]);
-    }
-  }
-  return tag_assoc;
-}
-#+END_SRC
-
-*** scope
-
-#+name: abs_init_rest
-#+BEGIN_SRC d
-scope(success) {
-}
-scope(failure) {
-}
-scope(exit) {
-  destroy(the_document_head_section);
-  destroy(the_table_of_contents_section);
-  destroy(the_document_body_section);
-  destroy(the_bibliography_section);
-  destroy(an_object);
-  destroy(processing);
-  destroy(biblio_arr_json);
-  previous_length=0;
-  reset_note_numbers=true;
-}
-#+END_SRC
-
-*** init rest
-
-#+name: abs_init_rest
-#+BEGIN_SRC d
-mixin DocReformRgxInitFlags;
-mixin DocReformNode;
-auto node_para_int_    = node_metadata_para_int;
-auto node_para_str_    = node_metadata_para_str;
-ObjGenericComposite comp_obj_heading_, comp_obj_para, comp_obj_toc;
-line_occur = [
-  "heading"  : 0,
-  "para"     : 0,
-  "glossary" : 0,
-  "blurb"    : 0,
-];
-uint[string] dochas = [
-  "inline_links"      : 0,
-  "inline_notes"      : 0,
-  "inline_notes_star" : 0,
-  "codeblock"         : 0,
-  "table"             : 0,
-  "block"             : 0,
-  "group"             : 0,
-  "poem"              : 0,
-  "quote"             : 0,
-  "images"            : 0,
-];
-auto obj_type_status = flags_type_init;
-string[string] object_number_poem = [
-  "start" : "",
-  "end"   : ""
-];
-string[] lv_ancestors_txt = [ "", "", "", "", "", "", "", "", ];
-int[string] lv = [
-  "lv" : State.off,
-  "h0" : State.off,
-  "h1" : State.off,
-  "h2" : State.off,
-  "h3" : State.off,
-  "h4" : State.off,
-  "h5" : State.off,
-  "h6" : State.off,
-  "h7" : State.off,
-  "lev_int_collapsed" : 0,
-];
-int[string] collapsed_lev = [
-  "h0" : State.off,
-  "h1" : State.off,
-  "h2" : State.off,
-  "h3" : State.off,
-  "h4" : State.off,
-  "h5" : State.off,
-  "h6" : State.off,
-  "h7" : State.off
-];
-string[string] heading_match_str = [
-  "h_A": "^(none)",
-  "h_B": "^(none)",
-  "h_C": "^(none)",
-  "h_D": "^(none)",
-  "h_1": "^(none)",
-  "h_2": "^(none)",
-  "h_3": "^(none)",
-  "h_4": "^(none)"
-];
-Regex!char[string] heading_match_rgx = [
-  "h_A": regex(r"^(none)"),
-  "h_B": regex(r"^(none)"),
-  "h_C": regex(r"^(none)"),
-  "h_D": regex(r"^(none)"),
-  "h_1": regex(r"^(none)"),
-  "h_2": regex(r"^(none)"),
-  "h_3": regex(r"^(none)"),
-  "h_4": regex(r"^(none)")
-];
-string _anchor_tag;
-string toc_txt_;
-an_object["glossary_nugget"]                                   = "";
-an_object["blurb_nugget"]                                      = "";
-comp_obj_heading_                                              = comp_obj_heading_.init;
-comp_obj_heading_.metainfo.is_of_part                          = "frontmatter";
-comp_obj_heading_.metainfo.is_of_section                       = "toc";
-comp_obj_heading_.metainfo.is_of_type                          = "para";
-comp_obj_heading_.metainfo.is_a                                = "heading";
-comp_obj_heading_.text                                         = "Table of Contents";
-comp_obj_heading_.metainfo.ocn                                 = 0;
-comp_obj_heading_.metainfo.identifier                          = "";
-comp_obj_heading_.metainfo.dummy_heading                       = false;
-comp_obj_heading_.metainfo.object_number_off                   = true;
-comp_obj_heading_.metainfo.object_number_type                  = 0;
-comp_obj_heading_.tags.segment_anchor_tag_epub                 = "toc";
-comp_obj_heading_.tags.anchor_tag_html                         = comp_obj_heading_.tags.segment_anchor_tag_epub;
-comp_obj_heading_.tags.in_segment_html                         = comp_obj_heading_.tags.anchor_tag_html;
-comp_obj_heading_.metainfo.heading_lev_markup                  = 4;
-comp_obj_heading_.metainfo.heading_lev_collapsed               = 1;
-comp_obj_heading_.metainfo.parent_ocn                          = 1;
-comp_obj_heading_.metainfo.parent_lev_markup                   = 0;
-comp_obj_heading_.ptr.html_segnames                            = html_segnames_ptr;
-comp_obj_heading_.tags.anchor_tags                             = ["toc"];
-comp_obj_heading_.metainfo.dom_structure_markedup_tags_status  = [ 1, 1, 0, 0, 1, 0, 0, 0];
-comp_obj_heading_.metainfo.dom_structure_collapsed_tags_status = [ 1, 1, 1, 0, 0, 0, 0, 0];
-tag_assoc[comp_obj_heading_.tags.anchor_tag_html]["seg_lv4"]              = comp_obj_heading_.tags.in_segment_html;
-tag_assoc[comp_obj_heading_.tags.segment_anchor_tag_epub]["seg_lv1_to_4"] = comp_obj_heading_.tags.segment_anchor_tag_epub;
-auto toc_head                                                  = comp_obj_heading_;
-html_segnames_ptr_cntr++;
-the_table_of_contents_section = [toc_head];
-static auto mkup = InlineMarkup();
-static auto munge = ObjInlineMarkupMunge();
-auto note_section = NotesSection();
-auto bookindex_extract_hash = BookIndexNuggetHash();
-string[][string] lev4_subtoc;
-string[][string] segnames = ["html": ["toc"], "epub": ["toc"]];
-int cnt1 = 1; int cnt2 = 1; int cnt3 = 1;
-#+END_SRC
-
-*** make tests
-
-#+name: make_tests
-#+BEGIN_SRC d
-enum Substitute { match, markup, }
-debug (substitutions) {
-  writeln(__LINE__, ":", __FILE__, ": DEBUG substitutions:");
-  if (!(conf_make_meta.make.headings.empty)) {
-    writeln(conf_make_meta.make.headings);
-  }
-  if (conf_make_meta.make.substitute) {
-    foreach(substitution_pair; conf_make_meta.make.substitute) {
-       writeln("regex to match:       ", substitution_pair[Substitute.match]);
-       writeln("substitution to make: ", substitution_pair[Substitute.markup]);
-    }
-  }
-  if (conf_make_meta.make.bold) {
-    writeln("regex to match:       ", conf_make_meta.make.bold[Substitute.match]);
-    writeln("substitution to make: ", conf_make_meta.make.bold[Substitute.markup]);
-  }
-  if (conf_make_meta.make.emphasis) {
-    writeln("regex to match:       ", conf_make_meta.make.emphasis[Substitute.match]);
-    writeln("substitution to make: ", conf_make_meta.make.emphasis[Substitute.markup]);
-  }
-  if (conf_make_meta.make.italics) {
-    writeln("regex to match:       ", conf_make_meta.make.italics[Substitute.match]);
-    writeln("substitution to make: ", conf_make_meta.make.italics[Substitute.markup]);
-  }
-}
-#+END_SRC
-
-** 2. ↻ *LOOP* _loop: process document body_ [+6]                         :loop:
-*** Loop scope                                                      :scope:
-
-#+name: abs_in_loop_body_00
-#+BEGIN_SRC d
-/+ scope +/
-scope(exit) {
-}
-scope(failure) {
-  stderr.writefln(
-    "%s\n%s\n%s:%s failed here:\n  line: %s",
-    __MODULE__, __FUNCTION__,
-    __FILE__, __LINE__,
-    line,
-  );
-}
-debug(source) {
-  writeln(line);
-}
-debug(srclines) {
-  if (!line.empty) {
-    writefln(
-      "* %s",
-      line
-    );
-  }
-}
-#+END_SRC
-
-*** check whether object_number is on or turned off                   :ocn:
-
-#+name: abs_in_loop_body_00
-#+BEGIN_SRC d
-if (!line.empty) {
-  obj_type_status = line._check_ocn_status_(obj_type_status);
-}
-#+END_SRC
-
-*** separate _code blocks_ from _other markup text_ [+5] [#A]
-**** _code blocks_                                            :block:code:
-
-#+name: abs_in_loop_body_00_code_block
-#+BEGIN_SRC d
-/+ block object: code +/
-line.flow_txt_block_code(an_object, obj_type_status);
-continue;
-#+END_SRC
-
-**** _non code objects_ (non-code blocks & regular text: by line) [+4] :non_code:
-***** inline fontface markup
-
-#+name: abs_in_loop_body_non_code_obj
-#+BEGIN_SRC d
-line = line.inline_markup_faces; // by text line (rather than by text object), linebreaks in para problematic
-#+END_SRC
-
-***** in section (biblio, glossary, blurb) +(block group)+ [+1] :block:active:
-****** in section: biblio                                       :biblio:
-
-#+name: abs_in_loop_body_non_code_obj
-#+BEGIN_SRC d
-if ((line.matchFirst(rgx.heading_biblio)
-  && obj_type_status["para"]  != State.on
-  && obj_type_status["group"] != State.on
-  && obj_type_status["block"] != State.on
-  && obj_type_status["poem"]  != State.on
-  && obj_type_status["table"] != State.on
-  && obj_type_status["quote"] != State.on)
-|| (obj_type_status["biblio_section"] == State.on
-&& (!(line.matchFirst(rgx.heading_blurb_glossary)))
-&& (!(line.matchFirst(rgx.heading)))
-&& (!(line.matchFirst(rgx.comment))))) {
-  /+ within section (block object): biblio +/
-  obj_type_status["glossary_section"] = State.off;
-  obj_type_status["biblio_section"]   = State.on;
-  obj_type_status["blurb_section"]    = State.off;
-  if (opt_action.backmatter && opt_action.section_biblio) {
-    line.flow_txt_block_biblio(obj_type_status, bib_entry, biblio_entry_str_json, biblio_arr_json);
-    debug(bibliobuild) {
-      writeln("-  ", biblio_entry_str_json);
-      writeln("-> ", biblio_arr_json.length);
-    }
-  }
-  continue;
-#+END_SRC
-
-****** in section: glossary                                   :glossary:
-
-if there is a glossary section you need to:
-- extract it
-- create standard headings
-- markup contents in standard way like regular paragraphs
-  - need indentation and regular paragraph inline markup
-- reconstitute the document with the glossary section following the endnotes
-
-#+name: abs_in_loop_body_non_code_obj
-#+BEGIN_SRC d
-} else if ((line.matchFirst(rgx.heading_glossary)
-  && obj_type_status["para"]  != State.on
-  && obj_type_status["group"] != State.on
-  && obj_type_status["block"] != State.on
-  && obj_type_status["poem"]  != State.on
-  && obj_type_status["table"] != State.on
-  && obj_type_status["quote"] != State.on)
-|| (obj_type_status["glossary_section"] == State.on
-&& (!(line.matchFirst(rgx.heading_biblio_blurb)))
-&& (!(line.matchFirst(rgx.heading)))
-&& (!(line.matchFirst(rgx.comment))))) {
-  /+ within section (block object): glossary +/
-  debug(glossary) {
-    writeln(__LINE__);
-    writeln(line);
-  }
-  obj_type_status["glossary_section"] = State.on;
-  obj_type_status["biblio_section"]   = State.off;
-  obj_type_status["blurb_section"]    = State.off;
-  if (opt_action.backmatter && opt_action.section_glossary) {
-    indent=[
-      "hang_position" : 0,
-      "base_position" : 0,
-    ];
-    bullet = false;
-    obj_type_status["para"] = State.on;
-    line_occur["para"] = State.off;
-    an_object_key="glossary_nugget"; //
-    if (line.matchFirst(rgx.heading_glossary)) {
-      {
-        comp_obj_heading_                                = comp_obj_heading_.init;
-        comp_obj_heading_.metainfo.is_of_part            = "backmatter";
-        comp_obj_heading_.metainfo.is_of_section         = "glossary";
-        comp_obj_heading_.metainfo.is_of_type            = "para";
-        comp_obj_heading_.metainfo.is_a                  = "heading";
-        comp_obj_heading_.text                           = "Glossary";
-        comp_obj_heading_.metainfo.ocn                   = 0;
-        comp_obj_heading_.metainfo.identifier            = "";
-        comp_obj_heading_.metainfo.dummy_heading         = false;
-        comp_obj_heading_.metainfo.object_number_off     = true;
-        comp_obj_heading_.metainfo.object_number_type    = 0;
-        comp_obj_heading_.tags.segment_anchor_tag_epub   = "_part_glossary";
-        comp_obj_heading_.tags.anchor_tag_html           = comp_obj_heading_.tags.segment_anchor_tag_epub;
-        comp_obj_heading_.tags.in_segment_html           = "glossary";
-        comp_obj_heading_.tags.anchor_tags               = ["section_glossary"];
-        comp_obj_heading_.metainfo.heading_lev_markup    = 1;
-        comp_obj_heading_.metainfo.heading_lev_collapsed = 1;
-        comp_obj_heading_.metainfo.parent_ocn            = 1;
-        comp_obj_heading_.metainfo.parent_lev_markup     = 0;
-        comp_obj_heading_.metainfo.dom_structure_markedup_tags_status  = [ 1, 1, 0, 0, 0, 0, 0, 0];
-        comp_obj_heading_.metainfo.dom_structure_collapsed_tags_status = [ 1, 1, 0, 0, 0, 0, 0, 0];
-        the_glossary_section                             ~= comp_obj_heading_;
-        tag_assoc[comp_obj_heading_.tags.anchor_tag_html]["seg_lv4"]              = comp_obj_heading_.tags.in_segment_html;
-        tag_assoc[comp_obj_heading_.tags.segment_anchor_tag_epub]["seg_lv1_to_4"] = comp_obj_heading_.tags.segment_anchor_tag_epub;
-      }
-      {
-        comp_obj_heading_                                = comp_obj_heading_.init;
-        comp_obj_heading_.metainfo.is_of_part            = "backmatter";
-        comp_obj_heading_.metainfo.is_of_section         = "glossary";
-        comp_obj_heading_.metainfo.is_of_type            = "para";
-        comp_obj_heading_.metainfo.is_a                  = "heading";
-        comp_obj_heading_.text                           = "Glossary";
-        comp_obj_heading_.metainfo.ocn                   = 0;
-        comp_obj_heading_.metainfo.identifier            = "";
-        comp_obj_heading_.metainfo.dummy_heading         = true;
-        comp_obj_heading_.metainfo.object_number_off     = true;
-        comp_obj_heading_.metainfo.object_number_type    = 0;
-        comp_obj_heading_.tags.segment_anchor_tag_epub   = "glossary";
-        comp_obj_heading_.tags.anchor_tag_html           = comp_obj_heading_.tags.segment_anchor_tag_epub;
-        comp_obj_heading_.tags.in_segment_html           = comp_obj_heading_.tags.anchor_tag_html;
-        comp_obj_heading_.metainfo.heading_lev_markup    = 4;
-        comp_obj_heading_.metainfo.heading_lev_collapsed = 2;
-        comp_obj_heading_.metainfo.parent_ocn            = 1;
-        comp_obj_heading_.metainfo.parent_lev_markup     = 0;
-        comp_obj_heading_.metainfo.dom_structure_markedup_tags_status  = [ 1, 1, 0, 0, 1, 0, 0, 0];
-        comp_obj_heading_.metainfo.dom_structure_collapsed_tags_status = [ 1, 1, 1, 0, 0, 0, 0, 0];
-        comp_obj_heading_.tags.anchor_tags               = ["glossary"];
-        the_glossary_section                             ~= comp_obj_heading_;
-        tag_assoc[comp_obj_heading_.tags.anchor_tag_html]["seg_lv4"]              = comp_obj_heading_.tags.in_segment_html;
-        tag_assoc[comp_obj_heading_.tags.segment_anchor_tag_epub]["seg_lv1_to_4"] = comp_obj_heading_.tags.segment_anchor_tag_epub;
-      }
-    } else {
-      an_object = line.flow_para_match_(an_object, an_object_key, indent, bullet, obj_type_status, line_occur);
-      comp_obj_para                               = comp_obj_para.init;
-      comp_obj_para.metainfo.is_of_part           = "backmatter";
-      comp_obj_para.metainfo.is_of_section        = "glossary";
-      comp_obj_para.metainfo.is_of_type           = "para";
-      comp_obj_para.metainfo.is_a                 = "glossary";
-      comp_obj_para.text                          = line.to!string.strip;
-      comp_obj_para.metainfo.ocn                  = 0;
-      comp_obj_para.metainfo.identifier           = "";
-      comp_obj_para.metainfo.object_number_off    = true;
-      comp_obj_para.metainfo.object_number_type   = 0;
-      comp_obj_para.attrib.indent_hang            = indent["hang_position"];
-      comp_obj_para.attrib.indent_base            = indent["base_position"];
-      comp_obj_para.attrib.bullet                 = bullet;
-      the_glossary_section                        ~= comp_obj_para;
-    }
-    obj_type_status["ocn_status"] = OCNstatus.on;
-  }
-  continue;
-#+END_SRC
-
-****** in section: blurb                                         :blurb:
-
-if there is a blurb section you need to:
-- extract it
-- create standard headings (or use line provided in 1~ heading)
-- markup contents in standard way like regular paragraphs
-  - need regular paragraph inline markup
-- reconstitute the document with the blurb section at the very end of the doucment
-
-#+name: abs_in_loop_body_non_code_obj
-#+BEGIN_SRC d
-} else if ((line.matchFirst(rgx.heading_blurb)
-  && obj_type_status["para"]  != State.on
-  && obj_type_status["group"] != State.on
-  && obj_type_status["block"] != State.on
-  && obj_type_status["poem"]  != State.on
-  && obj_type_status["table"] != State.on
-  && obj_type_status["quote"] != State.on)
-|| (obj_type_status["blurb_section"] == State.on
-&& (!(line.matchFirst(rgx.heading_biblio_glossary)))
-&& (!(line.matchFirst(rgx.heading)))
-&& (!(line.matchFirst(rgx.comment))))) {
-  /+ within section (block object): blurb +/
-  debug(blurb) {
-    writeln(__LINE__);
-    writeln(line);
-  }
-  obj_type_status["glossary_section"] = State.off;
-  obj_type_status["biblio_section"]   = State.off;
-  obj_type_status["blurb_section"]    = State.on;
-  if (opt_action.backmatter && opt_action.section_blurb) {
-    indent=[
-      "hang_position" : 0,
-      "base_position" : 0,
-    ];
-    bullet = false;
-    if (auto m = line.matchFirst(rgx.para_indent)) {
-      debug(paraindent) {
-        writeln(line);
-      }
-      indent["hang_position"] = (m["indent"]).to!int;
-      indent["base_position"] = (m["indent"]).to!int;
-    } else if (line.matchFirst(rgx.para_bullet)) {
-      debug(parabullet) {
-        writeln(line);
-      }
-      bullet = true;
-    } else if (auto m = line.matchFirst(rgx.para_indent_hang)) {
-      debug(paraindenthang) {
-        writeln(line);
-      }
-      indent=[
-        "hang_position" : (m["hang"]).to!int,
-        "base_position" : (m["indent"]).to!int,
-      ];
-    } else if (auto m = line.matchFirst(rgx.para_bullet_indent)) {
-      debug(parabulletindent) {
-        writeln(line);
-      }
-      indent=[
-        "hang_position" : (m["indent"]).to!int,
-        "base_position" : (m["indent"]).to!int,
-      ];
-      bullet = true;
-    }
-    obj_type_status["para"] = State.on;
-    line_occur["para"] = State.off;
-    an_object_key="blurb_nugget";
-    if (line.matchFirst(rgx.heading_blurb)) {
-      {
-        comp_obj_heading_                                              = comp_obj_heading_.init;
-        comp_obj_heading_.metainfo.is_of_part                          = "backmatter";
-        comp_obj_heading_.metainfo.is_of_section                       = "blurb";
-        comp_obj_heading_.metainfo.is_of_type                          = "para";
-        comp_obj_heading_.metainfo.is_a                                = "heading";
-        comp_obj_heading_.text                                         = "Blurb";
-        comp_obj_heading_.metainfo.ocn                                 = 0;
-        comp_obj_heading_.metainfo.identifier                          = "";
-        comp_obj_heading_.metainfo.dummy_heading                       = false;
-        comp_obj_heading_.metainfo.object_number_off                   = true;
-        comp_obj_heading_.metainfo.object_number_type                  = 0;
-        comp_obj_heading_.tags.segment_anchor_tag_epub                 = "_part_blurb";
-        comp_obj_heading_.tags.anchor_tag_html                         = comp_obj_heading_.tags.segment_anchor_tag_epub;
-        comp_obj_heading_.tags.in_segment_html                         = "blurb";
-        comp_obj_heading_.tags.anchor_tags                             = ["section_blurb"];
-        comp_obj_heading_.metainfo.heading_lev_markup                  = 1;
-        comp_obj_heading_.metainfo.heading_lev_collapsed               = 1;
-        comp_obj_heading_.metainfo.parent_ocn                          = 1;
-        comp_obj_heading_.metainfo.parent_lev_markup                   = 0;
-        comp_obj_heading_.metainfo.dom_structure_markedup_tags_status  = [ 1, 1, 0, 0, 0, 0, 0, 0];
-        comp_obj_heading_.metainfo.dom_structure_collapsed_tags_status = [ 1, 1, 0, 0, 0, 0, 0, 0];
-        the_blurb_section                                              ~= comp_obj_heading_;
-        tag_assoc[comp_obj_heading_.tags.anchor_tag_html]["seg_lv4"]              = comp_obj_heading_.tags.in_segment_html;
-        tag_assoc[comp_obj_heading_.tags.segment_anchor_tag_epub]["seg_lv1_to_4"] = comp_obj_heading_.tags.segment_anchor_tag_epub;
-      }
-      {
-        comp_obj_heading_                                              = comp_obj_heading_.init;
-        comp_obj_heading_.metainfo.is_of_part                          = "backmatter";
-        comp_obj_heading_.metainfo.is_of_section                       = "blurb";
-        comp_obj_heading_.metainfo.is_of_type                          = "para";
-        comp_obj_heading_.metainfo.is_a                                = "heading";
-        comp_obj_heading_.text                                         = "Blurb";
-        comp_obj_heading_.metainfo.ocn                                 = 0;
-        comp_obj_heading_.metainfo.identifier                          = "";
-        comp_obj_heading_.metainfo.dummy_heading                       = true;
-        comp_obj_heading_.metainfo.object_number_off                   = true;
-        comp_obj_heading_.metainfo.object_number_type                  = 0;
-        comp_obj_heading_.tags.segment_anchor_tag_epub                 = "blurb";
-        comp_obj_heading_.tags.anchor_tag_html                         = comp_obj_heading_.tags.segment_anchor_tag_epub;
-        comp_obj_heading_.tags.in_segment_html                         = comp_obj_heading_.tags.anchor_tag_html;
-        comp_obj_heading_.metainfo.heading_lev_markup                  = 4;
-        comp_obj_heading_.metainfo.heading_lev_collapsed               = 2;
-        comp_obj_heading_.metainfo.parent_ocn                          = 1;
-        comp_obj_heading_.metainfo.parent_lev_markup                   = 0;
-        comp_obj_heading_.tags.anchor_tags                             = ["blurb"];
-        comp_obj_heading_.metainfo.dom_structure_markedup_tags_status  = [ 1, 1, 0, 0, 1, 0, 0, 0];
-        comp_obj_heading_.metainfo.dom_structure_collapsed_tags_status = [ 1, 1, 1, 0, 0, 0, 0, 0];
-        the_blurb_section                                              ~= comp_obj_heading_;
-        tag_assoc[comp_obj_heading_.tags.anchor_tag_html]["seg_lv4"]              = comp_obj_heading_.tags.in_segment_html;
-        tag_assoc[comp_obj_heading_.tags.segment_anchor_tag_epub]["seg_lv1_to_4"] = comp_obj_heading_.tags.segment_anchor_tag_epub;
-      }
-    } else if (line.matchFirst(rgx.heading)
-    && (opt_action.backmatter && opt_action.section_blurb)) {
-      comp_obj_heading_                                              = comp_obj_heading_.init;
-      comp_obj_heading_.metainfo.is_of_part                          = "backmatter";
-      comp_obj_heading_.metainfo.is_of_section                       = "blurb";
-      comp_obj_heading_.metainfo.is_of_type                          = "para";
-      comp_obj_heading_.metainfo.is_a                                = "heading";
-      comp_obj_heading_.text                                         = line.to!string;
-      comp_obj_heading_.metainfo.ocn                                 = 0;
-      comp_obj_heading_.metainfo.identifier                          = "";
-      comp_obj_heading_.metainfo.dummy_heading                       = false;
-      comp_obj_heading_.metainfo.object_number_off                   = true;
-      comp_obj_heading_.metainfo.object_number_type                  = 0;
-      comp_obj_heading_.tags.segment_anchor_tag_epub                 = "blurb";
-      comp_obj_heading_.tags.anchor_tag_html                         = comp_obj_heading_.tags.segment_anchor_tag_epub;
-      comp_obj_heading_.tags.in_segment_html                         = comp_obj_heading_.tags.anchor_tag_html;
-      comp_obj_heading_.metainfo.heading_lev_markup                  = an_object["lev_markup_number"].to!int;    // make int, remove need to conv
-      comp_obj_heading_.metainfo.heading_lev_collapsed               = an_object["lev_collapsed_number"].to!int; // make int, remove need to conv
-      comp_obj_heading_.metainfo.parent_ocn                          = 1;
-      comp_obj_heading_.metainfo.parent_lev_markup                   = 0;
-      the_blurb_section                                              ~= comp_obj_heading_;
-      tag_assoc[comp_obj_heading_.tags.anchor_tag_html]["seg_lv4"]              = comp_obj_heading_.tags.in_segment_html;
-      tag_assoc[comp_obj_heading_.tags.segment_anchor_tag_epub]["seg_lv1_to_4"] = comp_obj_heading_.tags.segment_anchor_tag_epub;
-    } else {
-      an_object = line.flow_para_match_(an_object, an_object_key, indent, bullet, obj_type_status, line_occur);
-      comp_obj_para                               = comp_obj_para.init;
-      comp_obj_para.metainfo.is_of_part           = "backmatter";
-      comp_obj_para.metainfo.is_of_section        = "blurb";
-      comp_obj_para.metainfo.is_of_type           = "para";
-      comp_obj_para.metainfo.is_a                 = "blurb";
-      comp_obj_para.text                          = links_and_images(line.to!string.strip).replaceFirst(rgx.para_attribs, "");
-      comp_obj_para.metainfo.ocn                  = 0;
-      comp_obj_para.metainfo.identifier           = "";
-      comp_obj_para.metainfo.object_number_off    = true;
-      comp_obj_para.metainfo.object_number_type   = 0;
-      comp_obj_para.attrib.indent_hang            = indent["hang_position"];
-      comp_obj_para.attrib.indent_base            = indent["base_position"];
-      comp_obj_para.has.inline_links              = true;
-      comp_obj_para.attrib.bullet                 = bullet;
-      the_blurb_section                           ~= comp_obj_para;
-    }
-    obj_type_status["ocn_status"] = OCNstatus.on;
-  }
-  continue;
-#+END_SRC
-
-***** in blocks [+1]                                       :block:active:
-****** in block: quote                                           :quote:
-
-#+name: abs_in_loop_body_non_code_obj
-#+BEGIN_SRC d
-} else if (obj_type_status["quote"] == TriState.on) {                          /+ within block object: quote +/
-  line = line
-    ._doc_header_and_make_substitutions_(conf_make_meta)
-    ._doc_header_and_make_substitutions_fontface_(conf_make_meta);
-  an_object = line.flow_txt_block_quote(an_object, obj_type_status);
-  continue;
-#+END_SRC
-
-****** in block: group                                           :group:
-
-#+name: abs_in_loop_body_non_code_obj
-#+BEGIN_SRC d
-/+ within block object: group +/
-} else if (obj_type_status["group"] == TriState.on) {                          /+ within block object: group +/
-  line = line
-    ._doc_header_and_make_substitutions_(conf_make_meta)
-    ._doc_header_and_make_substitutions_fontface_(conf_make_meta)
-    .replaceAll(rgx.para_delimiter, mkup.br_paragraph ~ "$1");
-  an_object = line.flow_txt_block_group(an_object, obj_type_status);
-  continue;
-#+END_SRC
-
-****** in block: block                                           :block:
-
-#+name: abs_in_loop_body_non_code_obj
-#+BEGIN_SRC d
-} else if (obj_type_status["block"] == TriState.on) {                          /+ within block object: block +/
-  line = line
-    ._doc_header_and_make_substitutions_(conf_make_meta)
-    ._doc_header_and_make_substitutions_fontface_(conf_make_meta);
-  if (auto m = line.match(rgx.spaces_keep)) {
-    line = line
-      .replaceAll(rgx.spaces_keep, (m.captures[1]).translate([ ' ' : mkup.nbsp ]));
-  }
-  an_object = line.flow_txt_block_block(an_object, obj_type_status);
-  continue;
-#+END_SRC
-
-****** in block: poem                                             :poem:
-
-#+name: abs_in_loop_body_non_code_obj
-#+BEGIN_SRC d
-} else if (obj_type_status["poem"] == TriState.on) {                           /+ within block object: poem +/
-  an_object = line.flow_txt_block_poem(an_object, obj_type_status, cntr, object_number_poem, conf_make_meta, tag_in_seg);
-  continue;
-#+END_SRC
-
-****** in block: table                                           :table:
-
-#+name: abs_in_loop_body_non_code_obj
-#+BEGIN_SRC d
-} else if (obj_type_status["table"] == TriState.on) {                          /+ within block object: table +/
-  an_object = line.flow_txt_block_table(an_object, obj_type_status, conf_make_meta);
-  continue;
-#+END_SRC
-
-***** not identified as being within block group (could still be, or not) [+3]
-****** assert
-
-#+name: abs_in_loop_body_open_block_obj_assert
-#+BEGIN_SRC d
-assert(
-  (obj_type_status["blocks"] == TriState.off)
-  || (obj_type_status["blocks"] == TriState.closing),
-  "block status: none or closed"
-);
-assertions_flag_types_block_status_none_or_closed(obj_type_status);
-#+END_SRC
-
-****** catch misc +block open+
-
-#+name: abs_in_loop_body_open_block_obj
-#+BEGIN_SRC d
-if (line.matchFirst(rgx.block_poem_open)) {                                    /+ poem to verse exceptions! +/
-  object_reset(an_object);
-  processing.remove("verse");
-  object_number_poem["start"] = obj_cite_digits.object_number.to!string;
-}
-line.flow_txt_block_start(obj_type_status, dochas, object_number_poem);
-continue;
-#+END_SRC
-
-****** line not empty [+2]
-******* asserts                                                :assert:
-
-#+name: abs_in_loop_body_not_block_obj
-#+BEGIN_SRC d
-assert(
-  !line.empty,
-  "line tested, line not empty surely:\n  \"" ~ line ~ "\""
-);
-assert(
-  (obj_type_status["blocks"] == TriState.off)
-  || (obj_type_status["blocks"] == TriState.closing),
-  "code block status: none or closed"
-);
-if (obj_type_status["blocks"] == TriState.closing) {
-  debug(check) {
-    writeln(__LINE__);
-    writeln(line);
-  }
-  assert(
-    line.matchFirst(rgx.book_index)
-    || line.matchFirst(rgx.book_index_open)
-    || obj_type_status["book_index"] == State.on,
-    "\nblocks closed, unless followed by book index, non-matching line:\n  \""
-    ~ line ~ "\""
-  );
-}
-#+END_SRC
-
-******* book index                                          :bookindex:
-
-#+name: abs_in_loop_body_not_block_obj
-#+BEGIN_SRC d
-if (line.matchFirst(rgx.book_index)
-|| line.matchFirst(rgx.book_index_open)
-|| obj_type_status["book_index"] == State.on )  {                              /+ book_index +/
-  an_object = line.flow_book_index_(an_object, book_idx_tmp, obj_type_status, opt_action);
-#+END_SRC
-
-******* not book index [+1]
-
-#+name: abs_in_loop_body_not_block_obj
-#+BEGIN_SRC d
-} else {                                                                       /+ not book_index +/
-#+END_SRC
-
-******** matched: comment                              :comment:match:
-
-#+name: abs_in_loop_body_not_block_obj
-#+BEGIN_SRC d
-  an_object_key="body_nugget";
-  if (auto m = line.matchFirst(rgx.comment)) {                                 /+ matched comment +/
-    debug(comment) {
-      writeln(line);
-    }
-    an_object[an_object_key]                ~= line ~= "\n";
-    comp_obj_comment                        = comp_obj_comment.init;
-    comp_obj_comment.metainfo.is_of_part    = "comment"; // breaks flow
-    comp_obj_comment.metainfo.is_of_section = "comment"; // breaks flow
-    comp_obj_comment.metainfo.is_of_type    = "comment";
-    comp_obj_comment.metainfo.is_a          = "comment";
-    comp_obj_comment.text                   = an_object[an_object_key].strip;
-    the_document_body_section               ~= comp_obj_comment;
-    flow_common_reset_(line_occur, an_object, obj_type_status);
-    processing.remove("verse");
-    ++cntr;
-#+END_SRC
-
-******** flag !set & line !exist: heading or para  :heading:paragraph:
-
-#+name: abs_in_loop_body_not_block_obj
-#+BEGIN_SRC d
-  } else if (((line_occur["para"] == State.off)
-  && (line_occur["heading"] == State.off))
-  && ((obj_type_status["para"] == State.off)
-  && (obj_type_status["heading"] == State.off))) {                             /+ heading or para but neither flag nor line exists +/
-    if ((conf_make_meta.make.headings.length > 2)
-    && (obj_type_status["make_headings"] == State.off)) {                      /+ heading found +/
-      heading_match_str = line.flow_heading_found_(heading_match_str, conf_make_meta.make.headings, heading_match_rgx, obj_type_status);
-    }
-    if ((obj_type_status["make_headings"] == State.on)
-    && ((line_occur["para"] == State.off)
-    && (line_occur["heading"] == State.off))
-    && ((obj_type_status["para"] == State.off)
-    && (obj_type_status["heading"] == State.off))) {                           /+ heading make set +/
-      line = line.flow_heading_make_set_(line_occur, heading_match_rgx, obj_type_status);
-    }
-    /+ TODO node info: all headings identified at this point,
-       - extract node info here??
-       - how long can it wait?
-       - should be incorporated in composite objects
-       - should happen before endnote links set (they need to be moved down?)
-    +/
-    if (line.matchFirst(rgx.heading)) {                                        /+ heading match +/
-      line = line._doc_header_and_make_substitutions_(conf_make_meta);
-      an_object = line.flow_heading_matched_(an_object, line_occur, an_object_key, lv, collapsed_lev, obj_type_status, conf_make_meta);
-    } else if (line_occur["para"] == State.off) {                              /+ para match +/
-      an_object_key="body_nugget";
-      line = line
-        ._doc_header_and_make_substitutions_(conf_make_meta)
-        ._doc_header_and_make_substitutions_fontface_(conf_make_meta);
-      an_object = line.flow_para_match_(an_object, an_object_key, indent, bullet, obj_type_status, line_occur);
-    }
-#+END_SRC
-
-******** line exist: heading                                 :heading:
-
-#+name: abs_in_loop_body_not_block_obj
-#+BEGIN_SRC d
-  } else if (line_occur["heading"] > State.off) {                              /+ heading +/
-    debug(heading) {
-      writeln(line);
-    }
-    an_object[an_object_key] ~= line ~= "\n";
-    ++line_occur["heading"];
-#+END_SRC
-
-******** line exist: para                                       :para:
-
-#+name: abs_in_loop_body_not_block_obj
-#+BEGIN_SRC d
-  } else if (line_occur["para"] > State.off) {                                 /+ paragraph +/
-    debug(para) {
-      writeln(an_object_key, "-> ", line);
-    }
-    line = line
-      ._doc_header_and_make_substitutions_(conf_make_meta)
-      ._doc_header_and_make_substitutions_fontface_(conf_make_meta);
-    an_object[an_object_key] ~= " " ~ line;
-    ++line_occur["para"];
-  }
-}
-#+END_SRC
-
-****** line empty, with block flag
-
-#+name: abs_in_loop_body_not_block_obj_line_empty_blocks_flags
-#+BEGIN_SRC d
-an_object = line.flow_block_flag_line_empty_(
-  an_object,
-  bookindex_extract_hash,
-  the_document_body_section,
-  bookindex_unordered_hashes,
-  obj_cite_digits,
-  comp_obj_heading,
-  cntr,
-  obj_type_status,
-  object_number_poem,
-  conf_make_meta,
-  tag_in_seg,
-);
-#+END_SRC
-
-****** line empty [+1]
-******* assert line empty                                      :assert:
-
-#+name: abs_in_loop_body_not_block_obj_line_empty
-#+BEGIN_SRC d
-assert(
-  line.empty,
-  "\nline should be empty:\n  \""
-  ~ line ~ "\""
-);
-assert(
-  (obj_type_status["blocks"] == State.off),
-  "code block status: none"
-);
-#+END_SRC
-
-******* heading object                                 :heading:object:
-
-#+name: abs_in_loop_body_not_block_obj_line_empty
-#+BEGIN_SRC d
-if (_new_doc) {
-  tag_assoc = tag_assoc.init;
-  lv0_to_3_tags = lv0_to_3_tags.init;
-  tag_in_seg = tag_in_seg.init;
-}
-if ((obj_type_status["heading"] == State.on)
-&& (line_occur["heading"] > State.off)) {                                      /+ heading object (current line empty) +/
-  obj_cite_digits = (an_object["lev_markup_number"].to!int == 0)
-  ? ocn_emit(OCNstatus.reset)
-  : ocn_emit(obj_type_status["ocn_status"]);
-  an_object["is"] = "heading";
-  an_object_key="body_nugget";
-  auto substantive_object_and_anchor_tags_tuple
-    = obj_im.obj_inline_markup_and_anchor_tags_and_misc(an_object, an_object_key, conf_make_meta, ((_new_doc) ? Yes._new_doc : No._new_doc));
-  an_object["substantive"] = substantive_object_and_anchor_tags_tuple[sObj.content];
-  anchor_tag = substantive_object_and_anchor_tags_tuple[sObj.anchor_tag];
-  if (_new_doc) {
-    cnt1 = 1;
-    cnt2 = 1;
-    cnt3 = 1;
-    _new_doc = false;
-  }
-  if (
-    an_object["lev_markup_number"].to!int == 4
-    && (!(anchor_tag.empty)
-    || (lv0_to_3_tags.length > 0))
-  ) {
-    tag_in_seg["seg_lv4"] = anchor_tag;
-    tag_in_seg["seg_lv1_to_4"] = anchor_tag;
-    lev_anchor_tag = anchor_tag;
-    tag_assoc[anchor_tag]["seg_lv4"] = tag_in_seg["seg_lv4"];
-    tag_assoc[anchor_tag]["seg_lv1_to_4"] = tag_in_seg["seg_lv1_to_4"];
-    if (lv0_to_3_tags.length > 0) { /+ names used for html markup segments 1 to 4 (rather than epub which has separate segments for A to D) +/
-      foreach (lv0_to_lv3_html_tag; lv0_to_3_tags) {
-        tag_assoc[lv0_to_lv3_html_tag]["seg_lv4"] = anchor_tag;
-      }
-    }
-    anchor_tag_ = anchor_tag;
-    lv0_to_3_tags = lv0_to_3_tags.init;
-  } else if (an_object["lev_markup_number"].to!int > 4) {
-    tag_in_seg["seg_lv4"] = anchor_tag_;
-    tag_in_seg["seg_lv1_to_4"] = anchor_tag_;
-    lev_anchor_tag = anchor_tag;
-    tag_assoc[anchor_tag]["seg_lv4"] = tag_in_seg["seg_lv4"];
-    tag_assoc[anchor_tag]["seg_lv1_to_4"] = tag_in_seg["seg_lv1_to_4"];
-  } else if (an_object["lev_markup_number"].to!int < 4) {
-    string segn;
-    switch (an_object["lev_markup_number"].to!int) {                           /+ names used for epub markup segments A to D +/
-    case 0:
-      segn = "_the_title";
-      goto default;
-    case 1:
-      segn = "_part_" ~ cnt1.to!string;
-      ++cnt1;
-      goto default;
-    case 2:
-      segn = "_part_" ~ cnt1.to!string ~ "_" ~ cnt2.to!string;
-      ++cnt2;
-      goto default;
-    case 3:
-      segn =  "_part_" ~ cnt1.to!string ~ "_" ~ cnt2.to!string ~ "_" ~ cnt3.to!string;
-      ++cnt3;
-      goto default;
-    default:
-      lv0_to_3_tags ~= obj_cite_digits.object_number.to!string;
-      lv0_to_3_tags ~= segn;
-      tag_in_seg["seg_lv4"] = segn; // for html segname need following lv4 not yet known
-      tag_in_seg["seg_lv1_to_4"] = segn;
-      break;
-    }
-  }
-  an_object["bookindex_nugget"]
-    = ("bookindex_nugget" in an_object) ? an_object["bookindex_nugget"] : "";
-  bookindex_unordered_hashes
-    = bookindex_extract_hash.bookindex_nugget_hash(an_object["bookindex_nugget"], obj_cite_digits, tag_in_seg);
-  /+ (incrementally build toc) table of contents here! +/
-  _anchor_tag                   = obj_cite_digits.identifier;
-  the_table_of_contents_section = obj_im.flow_table_of_contents_gather_headings(
-    an_object,
-    conf_make_meta,
-    tag_in_seg,
-    _anchor_tag,
-    lev4_subtoc,
-    the_table_of_contents_section,
-  );
-  if (an_object["lev_markup_number"] == "4") {
-    segnames["html"] ~= tag_in_seg["seg_lv4"];
-    html_segnames_ptr = html_segnames_ptr_cntr;
-    html_segnames_ptr_cntr++;
-  }
-  if (an_object["lev_markup_number"].to!int <= 4) {
-    segnames["epub"] ~= tag_in_seg["seg_lv1_to_4"];
-  }
-  auto comp_obj_heading
-    = node_construct.node_emitter_heading(
-      an_object["substantive"],
-      an_object["lev_markup_number"],
-      an_object["lev_collapsed_number"],
-      an_object["dummy_heading_status"],
-      tag_in_seg,
-      lev_anchor_tag,
-      tag_assoc,
-      obj_cite_digits,                              // OCNset
-      cntr,                                         // int
-      heading_ptr,                                  // int
-      lv_ancestors_txt,                             // string[]
-      an_object["is"],                              // string
-      html_segnames_ptr,                            // int
-      substantive_object_and_anchor_tags_tuple[sObj.notes_reg],
-      substantive_object_and_anchor_tags_tuple[sObj.notes_star],
-      substantive_object_and_anchor_tags_tuple[sObj.links],
-    );
-  ++heading_ptr;
-  debug(segments) {
-    writeln(an_object["lev_markup_number"]);
-    writeln(tag_in_seg["seg_lv4"]);
-    writeln(tag_in_seg["seg_lv1_to_4"]);
-  }
-  the_document_body_section ~= comp_obj_heading;
-  debug(objectrelated1) { // check
-    writeln(line);
-  }
-  flow_common_reset_(line_occur, an_object, obj_type_status);
-  an_object.remove("lev");
-  an_object.remove("lev_markup_number");
-  processing.remove("verse");
-  ++cntr;
-#+END_SRC
-
-******* paragraph object                             :paragraph:object:
-
-#+name: abs_in_loop_body_not_block_obj_line_empty
-#+BEGIN_SRC d
-} else if ((obj_type_status["para"] == State.on)
-&& (line_occur["para"] > State.off)) {
-  /+ paragraph object (current line empty) +/
-  /+ repeated character paragraph separator +/
-  if ((an_object[an_object_key].to!string).matchFirst(rgx.repeated_character_line_separator)) {
-    obj_type_status["ocn_status"]                          = OCNstatus.off;
-  }
-  obj_cite_digits = ocn_emit(obj_type_status["ocn_status"]);
-  an_object["bookindex_nugget"]
-    = ("bookindex_nugget" in an_object) ? an_object["bookindex_nugget"] : "";
-  bookindex_unordered_hashes
-    = bookindex_extract_hash.bookindex_nugget_hash(an_object["bookindex_nugget"], obj_cite_digits, tag_in_seg);
-  an_object["is"] = "para";
-  auto comp_obj_heading
-    = node_construct.node_location_emitter(
-      content_non_header,
-      tag_in_seg,
-      lev_anchor_tag,
-      tag_assoc,
-      obj_cite_digits,
-      cntr,
-      heading_ptr-1,
-      an_object["is"],
-    );
-  auto substantive_obj_misc_tuple
-    = obj_im.obj_inline_markup_and_anchor_tags_and_misc(an_object, an_object_key, conf_make_meta, No._new_doc);
-  an_object["substantive"] = substantive_obj_misc_tuple[sObj.content];
-  anchor_tag = substantive_obj_misc_tuple[sObj.anchor_tag];
-  comp_obj_para                                             = comp_obj_para.init;
-  comp_obj_para.metainfo.is_of_part                         = "body";
-  comp_obj_para.metainfo.is_of_section                      = "body";
-  comp_obj_para.metainfo.is_of_type                         = "para";
-  comp_obj_para.metainfo.is_a                               = "para";
-  comp_obj_para.text                                        = an_object["substantive"].to!string.strip;
-  comp_obj_para.tags.html_segment_anchor_tag_is             = tag_in_seg["seg_lv4"];
-  comp_obj_para.tags.epub_segment_anchor_tag_is             = tag_in_seg["seg_lv1_to_4"];
-  comp_obj_para.metainfo.ocn                                = obj_cite_digits.object_number;
-  comp_obj_para.metainfo.identifier                         = obj_cite_digits.identifier;
-  comp_obj_para.metainfo.object_number_off                  = (obj_cite_digits.off==0)   ? true : false; // TODO
-  comp_obj_para.metainfo.o_n_book_index                     = obj_cite_digits.bkidx;
-  comp_obj_para.metainfo.object_number_type                 = obj_cite_digits.type;
-  comp_obj_para.attrib.indent_hang                          = indent["hang_position"];
-  comp_obj_para.attrib.indent_base                          = indent["base_position"];
-  comp_obj_para.attrib.bullet                               = bullet;
-  comp_obj_para.tags.anchor_tags                            = [anchor_tag];
-  comp_obj_para.has.inline_notes_reg                        = substantive_obj_misc_tuple[sObj.notes_reg];
-  comp_obj_para.has.inline_notes_star                       = substantive_obj_misc_tuple[sObj.notes_star];
-  comp_obj_para.has.inline_links                            = substantive_obj_misc_tuple[sObj.links];
-  comp_obj_para.has.image_without_dimensions                = substantive_obj_misc_tuple[sObj.image_no_dimensions];
-  the_document_body_section                                 ~= comp_obj_para;
-  tag_assoc                                                 = an_object.inline_para_link_anchor(tag_in_seg, tag_assoc);
-  flow_common_reset_(line_occur, an_object, obj_type_status);
-  indent=[
-    "hang_position" : 0,
-    "base_position" : 0,
-  ];
-  bullet = false;
-  processing.remove("verse");
-  ++cntr;
-} else {
-  // could be useful to test line variable should be empty and never null
-}
-#+END_SRC
-
-*** regular _text objects_ identified                        :text:paragraph:
-
-#+name: abs_in_loop_body_01
-#+BEGIN_SRC d
-/+ unless (the_document_body_section.length == 0) ? +/
-if (the_document_body_section.length > 0) {
-  if (((the_document_body_section[$-1].metainfo.is_a == "para")
-    || (the_document_body_section[$-1].metainfo.is_a == "heading")
-    || (the_document_body_section[$-1].metainfo.is_a == "quote")
-    || (the_document_body_section[$-1].metainfo.is_a == "group")
-    || (the_document_body_section[$-1].metainfo.is_a == "block")
-    || (the_document_body_section[$-1].metainfo.is_a == "verse"))
-  && (the_document_body_section.length > previous_length)) {
-    if ((the_document_body_section[$-1].metainfo.is_a == "heading")
-    && (the_document_body_section[$-1].metainfo.heading_lev_markup < 5)) {
-      obj_type_status["glossary_section"] = State.off;
-      obj_type_status["biblio_section"]   = State.off;
-      obj_type_status["blurb_section"]    = State.off;
-    }
-    if (the_document_body_section[$-1].metainfo.is_a == "verse") {             /+ scan for endnotes for whole poem (each verse in poem) +/
-      foreach (i; previous_length .. the_document_body_section.length) {
-        if (the_document_body_section[i].metainfo.is_a == "verse") {
-          if ((the_document_body_section[i].text).match(
-            rgx.inline_notes_al_all_note
-          )) {
-            note_section.gather_notes_for_endnote_section(
-              the_document_body_section,
-              tag_in_seg,
-              (i).to!int,
-            );
-          }
-        }
-      }
-    } else {                                                                   /+ scan object for endnotes +/
-      previous_length = the_document_body_section.length.to!int;
-      if ((the_document_body_section[$-1].text).match(
-        rgx.inline_notes_al_all_note
-      )) {
-        previous_count=(the_document_body_section.length -1).to!int;
-        note_section.gather_notes_for_endnote_section(
-          the_document_body_section,
-          tag_in_seg,
-          (the_document_body_section.length-1).to!int,
-        );
-      }
-    }
-    previous_length = the_document_body_section.length.to!int;
-  }
-}
-#+END_SRC
-
-** 3. _post main-loop processing_                                       :post:
-*** misc
-
-/+
-  Backmatter:
-  - endnotes
-  - glossary
-  - bibliography / references
-  - book index
-  - blurb
-+/
-
-*** tie up preparation of document sections
-**** endnotes section (scroll & seg)                            :endnotes:
-
-#+name: abs_post
-#+BEGIN_SRC d
-auto en_tuple
-  = note_section.endnote_objects(obj_cite_digits, opt_action);
-static assert(!isTypeTuple!(en_tuple));
-auto the_endnotes_section = en_tuple[0];
-obj_cite_digits = en_tuple[1];
-debug(endnotes) {
-  writefln(
-    "%s %s",
-    __LINE__,
-    the_endnotes_section.length
-  );
-  foreach (o; the_endnotes_section) {
-    writeln(o);
-  }
-}
-#+END_SRC
-
-**** no glossary section?                                       :glossary:
-
-#+name: abs_post
-#+BEGIN_SRC d
-if (an_object["glossary_nugget"].length == 0) {
-  comp_obj_heading_                                 = comp_obj_heading_.init;
-  comp_obj_heading_.metainfo.is_of_part             = "empty";
-  comp_obj_heading_.metainfo.is_of_section          = "empty";
-  comp_obj_heading_.metainfo.is_of_type             = "para";
-  comp_obj_heading_.metainfo.is_a                   = "heading";
-  comp_obj_heading_.text                            = "(skip) there is no Glossary section";
-  comp_obj_heading_.metainfo.ocn                    = 0;
-  comp_obj_heading_.metainfo.identifier             = "";
-  comp_obj_heading_.metainfo.dummy_heading          = true;
-  comp_obj_heading_.metainfo.object_number_off      = true;
-  comp_obj_heading_.metainfo.object_number_type     = 0;
-  comp_obj_heading_.metainfo.heading_lev_markup     = 1;
-  comp_obj_heading_.metainfo.heading_lev_collapsed  = 1;
-  comp_obj_heading_.metainfo.parent_ocn             = 1;
-  comp_obj_heading_.metainfo.parent_lev_markup      = 0;
-  the_glossary_section                              ~= comp_obj_heading_;
-}
-debug(glossary) {
-  foreach (gloss; the_glossary_section) {
-    writeln(gloss.text);
-  }
-}
-#+END_SRC
-
-**** bibliography section (objects)                         :bibliography:
-
-#+name: abs_post
-#+BEGIN_SRC d
-auto biblio_unsorted_incomplete = biblio_arr_json.dup;
-auto biblio = Bibliography();
-auto biblio_ordered
-  = biblio.flow_bibliography_(biblio_unsorted_incomplete, bib_arr_json);
-#+END_SRC
-
-#+name: abs_post
-#+BEGIN_SRC d
-if (biblio_ordered.length > 0) {
-  {
-    comp_obj_heading_                                 = comp_obj_heading_.init;
-    comp_obj_heading_.metainfo.is_of_part             = "backmatter";
-    comp_obj_heading_.metainfo.is_of_section          = "bibliography";
-    comp_obj_heading_.metainfo.is_of_type             = "para";
-    comp_obj_heading_.metainfo.is_a                   = "heading";
-    comp_obj_heading_.text                            = "Bibliography";
-    comp_obj_heading_.metainfo.ocn                    = 0;
-    comp_obj_heading_.metainfo.identifier             = "";
-    comp_obj_heading_.metainfo.dummy_heading          = true;
-    comp_obj_heading_.metainfo.object_number_off      = true;
-    comp_obj_heading_.metainfo.object_number_type     = 0;
-    comp_obj_heading_.tags.segment_anchor_tag_epub    = "_part_bibliography";
-    comp_obj_heading_.tags.anchor_tag_html            = comp_obj_heading_.tags.segment_anchor_tag_epub;
-    comp_obj_heading_.tags.in_segment_html            = "bibliography";
-    comp_obj_heading_.tags.anchor_tags                = ["section_bibliography"];
-    comp_obj_heading_.metainfo.heading_lev_markup     = 1;
-    comp_obj_heading_.metainfo.heading_lev_collapsed  = 1;
-    comp_obj_heading_.metainfo.parent_ocn             = 1;
-    comp_obj_heading_.metainfo.parent_lev_markup      = 0;
-    the_bibliography_section                          ~= comp_obj_heading_;
-    tag_assoc[comp_obj_heading_.tags.anchor_tag_html]["seg_lv4"]              = comp_obj_heading_.tags.in_segment_html;
-    tag_assoc[comp_obj_heading_.tags.segment_anchor_tag_epub]["seg_lv1_to_4"] = comp_obj_heading_.tags.segment_anchor_tag_epub;
-  }
-  {
-    comp_obj_heading_                                 = comp_obj_heading_.init;
-    comp_obj_heading_.metainfo.is_of_part             = "backmatter";
-    comp_obj_heading_.metainfo.is_of_section          = "bibliography";
-    comp_obj_heading_.metainfo.is_of_type             = "para";
-    comp_obj_heading_.metainfo.is_a                   = "heading";
-    comp_obj_heading_.text                            = "Bibliography";
-    comp_obj_heading_.metainfo.ocn                    = 0;
-    comp_obj_heading_.metainfo.identifier             = "";
-    comp_obj_heading_.metainfo.dummy_heading          = true;
-    comp_obj_heading_.metainfo.object_number_off      = true;
-    comp_obj_heading_.metainfo.object_number_type     = 0;
-    comp_obj_heading_.tags.segment_anchor_tag_epub    = "bibliography";
-    comp_obj_heading_.tags.anchor_tag_html            = comp_obj_heading_.tags.segment_anchor_tag_epub;
-    comp_obj_heading_.tags.in_segment_html            = comp_obj_heading_.tags.anchor_tag_html;
-    comp_obj_heading_.metainfo.heading_lev_markup     = 4;
-    comp_obj_heading_.metainfo.heading_lev_collapsed  = 2;
-    comp_obj_heading_.metainfo.parent_ocn             = 1;
-    comp_obj_heading_.metainfo.parent_lev_markup      = 0;
-    comp_obj_heading_.tags.anchor_tags                = ["bibliography"];
-    the_bibliography_section                          ~= comp_obj_heading_;
-    tag_assoc[comp_obj_heading_.tags.anchor_tag_html]["seg_lv4"]              = comp_obj_heading_.tags.in_segment_html;
-    tag_assoc[comp_obj_heading_.tags.segment_anchor_tag_epub]["seg_lv1_to_4"] = comp_obj_heading_.tags.segment_anchor_tag_epub;
-  }
-} else {
-  comp_obj_heading_                                 = comp_obj_heading_.init;
-  comp_obj_heading_.metainfo.is_of_part             = "empty";
-  comp_obj_heading_.metainfo.is_of_section          = "empty";
-  comp_obj_heading_.metainfo.is_of_type             = "para";
-  comp_obj_heading_.metainfo.is_a                   = "heading";
-  comp_obj_heading_.text                            = "(skip) there is no Bibliography";
-  comp_obj_heading_.metainfo.ocn                    = 0;
-  comp_obj_heading_.metainfo.identifier             = "";
-  comp_obj_heading_.metainfo.dummy_heading          = true;
-  comp_obj_heading_.metainfo.object_number_off      = true;
-  comp_obj_heading_.metainfo.object_number_type     = 0;
-  comp_obj_heading_.metainfo.heading_lev_markup     = 1;
-  comp_obj_heading_.metainfo.heading_lev_collapsed  = 1;
-  comp_obj_heading_.metainfo.parent_ocn             = 1;
-  comp_obj_heading_.metainfo.parent_lev_markup      = 0;
-  the_bibliography_section                          ~= comp_obj_heading_;
-}
-#+END_SRC
-
-***** format biblio string
-
-#+name: abs_post
-#+BEGIN_SRC d
-string out_;
-foreach (entry; biblio_ordered) {
-  out_ = format(
-    "%s \"%s\"%s%s%s%s%s%s%s%s%s.",
-    ((entry["author"].str.empty) ? entry["editor"].str : entry["author"].str),
-    entry["fulltitle"].str,
-    ((entry["journal"].str.empty) ? "" : ", " ~ mkup.italic ~ mkup.ff_o ~ entry["journal"].str ~ mkup.ff_c ~ mkup.italic),
-    ((entry["volume"].str.empty) ? "" : ", " ~ entry["volume"].str),
-    ((entry["in"].str.empty) ? "" : ", " ~ entry["in"].str),
-    ((!(entry["author"].str.empty) && (!(entry["editor"].str.empty))) ? entry["editor"].str : ""),
-    ", " ~ entry["year"].str,
-    ((entry["pages"].str.empty) ? "" : ", " ~ entry["pages"].str),
-    ((entry["publisher"].str.empty) ? "" : ", " ~ entry["publisher"].str),
-    ((entry["place"].str.empty) ? "" : ", " ~ entry["place"].str),
-    ((entry["url"].str.empty) ? "" : ", [" ~ entry["url"].str ~ "]"),
-  );
-  comp_obj_para                               = comp_obj_para.init;
-  comp_obj_para.metainfo.is_of_part           = "backmatter";
-  comp_obj_para.metainfo.is_of_section        = "bibliography";
-  comp_obj_para.metainfo.is_of_type           = "para";
-  comp_obj_para.metainfo.is_a                 = "bibliography";
-  comp_obj_para.text                          = out_.to!string.strip;
-  comp_obj_para.metainfo.ocn                  = 0;
-  comp_obj_para.metainfo.identifier           = "";
-  comp_obj_para.metainfo.object_number_off    = true;
-  comp_obj_para.metainfo.object_number_type   = 0;
-  comp_obj_para.attrib.indent_hang            = 0;
-  comp_obj_para.attrib.indent_base            = 1;
-  comp_obj_para.attrib.bullet                 = bullet;
-  comp_obj_para.tags.anchor_tags              = [anchor_tag];
-  the_bibliography_section                    ~= comp_obj_para;
-}
-#+END_SRC
-
-#+name: abs_post
-#+BEGIN_SRC d
-debug(bibliosection) {
-  foreach (o; the_bibliography_section) {
-    writeln(o.text);
-  }
-}
-#+END_SRC
-
-***** bibliography components
-
-JSONValue biblio_entry_tags_jsonstr =  `{
-  "is"                               : "",
-  "sortby_deemed_author_year_title"  : "",
-  "deemed_author"                    : "",
-  "author_raw"                       : "",
-  "author"                           : "",
-  "author_arr"                       : [ "" ],
-  "editor_raw"                       : "",
-  "editor"                           : "",
-  "editor_arr"                       : [ "" ],
-  "title"                            : "",
-  "subtitle"                         : "",
-  "fulltitle"                        : "",
-  "language"                         : "",
-  "trans"                            : "",
-  "src"                              : "",
-  "journal"                          : "",
-  "in"                               : "",
-  "volume"                           : "",
-  "edition"                          : "",
-  "year"                             : "",
-  "place"                            : "",
-  "publisher"                        : "",
-  "url"                              : "",
-  "pages"                            : "",
-  "note"                             : "",
-  "short_name"                       : "",
-  "id"                               : ""
-}`; // is: book, article, magazine, newspaper, blog, other
-
-**** bookindex section (scroll & seg)                         :book:index:
-
-#+name: abs_post
-#+BEGIN_SRC d
-auto bi = BookIndexReportSection();
-auto bi_tuple
-  = bi.bookindex_build_abstraction_section(
-    bookindex_unordered_hashes,
-    obj_cite_digits,
-    opt_action,
-  );
-destroy(bookindex_unordered_hashes);
-static assert(!isTypeTuple!(bi_tuple));
-auto the_bookindex_section = bi_tuple[0];
-obj_cite_digits = bi_tuple[1];
-debug(bookindex) {
-  foreach (bi_entry; the_bookindex_section) {
-    writeln(bi_entry);
-  }
-}
-#+END_SRC
-
-**** no blurb section?                                             :blurb:
-
-#+name: abs_post
-#+BEGIN_SRC d
-if (an_object["blurb_nugget"].length == 0) {
-  comp_obj_heading_                                = comp_obj_heading_.init;
-  comp_obj_heading_.metainfo.is_of_part            = "empty";
-  comp_obj_heading_.metainfo.is_of_section         = "empty";
-  comp_obj_heading_.metainfo.is_of_type            = "para";
-  comp_obj_heading_.metainfo.is_a                  = "heading";
-  comp_obj_heading_.text                           = "(skip) there is no Blurb section";
-  comp_obj_heading_.metainfo.ocn                   = 0;
-  comp_obj_heading_.metainfo.identifier            = "";
-  comp_obj_para.metainfo.object_number_off         = true;
-  comp_obj_para.metainfo.object_number_type        = 0;
-  comp_obj_heading_.tags.segment_anchor_tag_epub   = "";
-  comp_obj_heading_.tags.anchor_tag_html           = "";
-  comp_obj_heading_.tags.in_segment_html           = "";
-  comp_obj_heading_.metainfo.heading_lev_markup    = 1;
-  comp_obj_heading_.metainfo.heading_lev_collapsed = 1;
-  comp_obj_heading_.metainfo.parent_ocn            = 1;
-  comp_obj_heading_.metainfo.parent_lev_markup     = 0;
-  the_blurb_section                                ~= comp_obj_heading_;
-}
-debug(blurb) {
-  foreach (blurb; the_blurb_section) {
-    writeln(blurb.text);
-  }
-}
-#+END_SRC
-
-**** toc backmatter, table of contents backmatter (scroll & seg) :contents:
-
-#+name: abs_post
-#+BEGIN_SRC d
-indent=[
-  "hang_position" : 1,
-  "base_position" : 1,
-];
-comp_obj_toc                               = comp_obj_toc.init;
-comp_obj_toc.metainfo.is_of_part           = "frontmatter";
-comp_obj_toc.metainfo.is_of_section        = "toc";
-comp_obj_toc.metainfo.is_of_type           = "para";
-comp_obj_toc.metainfo.is_a                 = "toc";
-comp_obj_toc.metainfo.ocn                  = 0;
-comp_obj_toc.metainfo.identifier           = "";
-comp_obj_toc.metainfo.object_number_off    = true;
-comp_obj_toc.metainfo.object_number_type   = 0;
-comp_obj_toc.attrib.indent_hang            = indent["hang_position"];
-comp_obj_toc.attrib.indent_base            = indent["base_position"];
-comp_obj_toc.attrib.bullet                 = false;
-if (the_endnotes_section.length > 1) {
-  toc_txt_ = format(
-    mkup.lnk_o ~ "%s" ~ mkup.lnk_c ~  mkup.url_o ~ "#%s"~  mkup.url_c,
-    "Endnotes",
-    "endnotes",
-  );
-  toc_txt_= toc_txt_.links_and_images;
-  comp_obj_toc.text                       = toc_txt_.to!string.strip;
-  comp_obj_toc.has.inline_links           = true;
-  the_table_of_contents_section           ~= comp_obj_toc;
-}
-if (the_glossary_section.length > 1) {
-  toc_txt_ = format(
-    mkup.lnk_o ~ "%s" ~ mkup.lnk_c ~  mkup.url_o ~ "#%s"~  mkup.url_c,
-    "Glossary",
-    "glossary",
-  );
-  toc_txt_= toc_txt_.links_and_images;
-  comp_obj_toc.text                       = toc_txt_.to!string.strip;
-  comp_obj_toc.has.inline_links           = true;
-  the_table_of_contents_section           ~= comp_obj_toc;
-}
-if (the_bibliography_section.length > 1){
-  toc_txt_ = format(
-    mkup.lnk_o ~ "%s" ~ mkup.lnk_c ~  mkup.url_o ~ "#%s"~  mkup.url_c,
-    "Bibliography",
-    "bibliography",
-  );
-  toc_txt_= toc_txt_.links_and_images;
-  comp_obj_toc.text                       = toc_txt_.to!string.strip;
-  comp_obj_toc.has.inline_links           = true;
-  the_table_of_contents_section           ~= comp_obj_toc;
-}
-if (the_bookindex_section.length > 1) {
-  toc_txt_ = format(
-    mkup.lnk_o ~ "%s" ~ mkup.lnk_c ~  mkup.url_o ~ "#%s"~  mkup.url_c,
-    "Book Index",
-    "bookindex",
-  );
-  toc_txt_= toc_txt_.links_and_images;
-  comp_obj_toc.text                       = toc_txt_.to!string.strip;
-  comp_obj_toc.has.inline_links           = true;
-  the_table_of_contents_section           ~= comp_obj_toc;
-}
-if (the_blurb_section.length > 1) {
-  toc_txt_ = format(
-    mkup.lnk_o ~ "%s" ~ mkup.lnk_c ~  mkup.url_o ~ "#%s"~  mkup.url_c,
-    "Blurb",
-    "blurb",
-  );
-  toc_txt_= toc_txt_.links_and_images;
-  comp_obj_toc.has.inline_links           = true;
-  comp_obj_toc.text                       = toc_txt_.to!string.strip;
-  the_table_of_contents_section           ~= comp_obj_toc;
-}
-debug(toc) {
-  writefln(
-    "%s %s",
-    __LINE__,
-  );
-  foreach (toc_linked_heading; the_table_of_contents_section) {
-    writeln(mkup.indent_by_spaces_provided(toc_linked_heading.attrib.indent_hang), toc_linked_heading.text);
-  }
-}
-#+END_SRC
-
-**** doc head (separate document head from body, make space for toc)
-
-#+name: abs_post
-#+BEGIN_SRC d
-the_document_head_section ~= the_document_body_section[0];
-the_document_body_section=the_document_body_section[1..$];
-#+END_SRC
-
-*** ↻ *LOOPs* _post main-loop loops_                                :loop:post:
-**** 1. ↻ _Loop as required_ (e.g. backmatter): loop up to lev4, extract html_segnames, set pointers
-
-this extra loop is used/needed to determine pre and (in particular) next segment
-for html, that is then used in a subsequent loop
-
-NOTE there are issues attempting to do this on first pass as:
-  - backmatter is created out of sequence and
-  - it is not certain which are present
-
-  - it is quite neat to have all in one place as we have here
-
-  - could optimise a bit by
-    - skipping this loop unless the html seg or epub output is selected
-
-***** Methods
-****** get ancestors markup
-
-#+name: abs_post
-#+BEGIN_SRC d
-int[] _get_ancestors_markup(O)(O obj, ref int[] _ancestors_markup) {
-  if (obj.metainfo.is_a == "heading") {
-    debug(dom) {
-      writeln(obj.text);
-    }
-    if (obj.metainfo.heading_lev_markup == 1) {
-      _ancestors_markup = [
-        _ancestors_markup[0],
-        0,0,0,0,0,0,0
-      ];
-    }
-    if (obj.metainfo.heading_lev_markup == 2) {
-      _ancestors_markup = [
-        _ancestors_markup[0],
-        _ancestors_markup[1],
-        0,0,0,0,0,0
-      ];
-    }
-    if (obj.metainfo.heading_lev_markup == 3) {
-      _ancestors_markup = [
-        _ancestors_markup[0],
-        _ancestors_markup[1],
-        _ancestors_markup[2],
-        0,0,0,0,0
-      ];
-    }
-    if (obj.metainfo.heading_lev_markup == 4) {
-      _ancestors_markup = [
-        _ancestors_markup[0],
-        _ancestors_markup[1],
-        _ancestors_markup[2],
-        _ancestors_markup[3],
-        0,0,0,0
-      ];
-    }
-    if (obj.metainfo.heading_lev_markup == 5) {
-      _ancestors_markup = [
-        _ancestors_markup[0],
-        _ancestors_markup[1],
-        _ancestors_markup[2],
-        _ancestors_markup[3],
-        _ancestors_markup[4],
-        0,0,0
-      ];
-    }
-    if (obj.metainfo.heading_lev_markup == 6) {
-      _ancestors_markup = [
-        _ancestors_markup[0],
-        _ancestors_markup[1],
-        _ancestors_markup[2],
-        _ancestors_markup[3],
-        _ancestors_markup[4],
-        _ancestors_markup[5],
-        0,0
-      ];
-    }
-    if (obj.metainfo.heading_lev_markup == 7) {
-      _ancestors_markup = [
-        _ancestors_markup[0],
-        _ancestors_markup[1],
-        _ancestors_markup[2],
-        _ancestors_markup[3],
-        _ancestors_markup[4],
-        _ancestors_markup[5],
-        _ancestors_markup[6],
-        0
-      ];
-    }
-    if (obj.metainfo.heading_lev_markup == 8) {
-      _ancestors_markup = [
-        _ancestors_markup[0],
-        _ancestors_markup[1],
-        _ancestors_markup[2],
-        _ancestors_markup[3],
-        _ancestors_markup[4],
-        _ancestors_markup[5],
-        _ancestors_markup[6],
-        _ancestors_markup[7]
-      ];
-    }
-    _ancestors_markup[obj.metainfo.heading_lev_markup] = obj.metainfo.ocn;
-  }
-  debug(ancestor_markup) {
-    writeln("marked up: ", _ancestors_markup);
-  }
-  return _ancestors_markup;
-}
-#+END_SRC
-
-****** get ancestors collapsed
-
-#+name: abs_post
-#+BEGIN_SRC d
-int[] _get_ancestors_collapsed(O)(O obj, ref int[] _ancestors_collapsed) {
-  if (obj.metainfo.is_a == "heading") {
-    if (obj.metainfo.heading_lev_collapsed == 1) {
-      _ancestors_collapsed = [
-        _ancestors_collapsed[0],
-        0,0,0,0,0,0,0
-      ];
-    }
-    if (obj.metainfo.heading_lev_collapsed == 2) {
-      _ancestors_collapsed = [
-        _ancestors_collapsed[0],
-        _ancestors_collapsed[1],
-        0,0,0,0,0,0
-      ];
-    }
-    if (obj.metainfo.heading_lev_collapsed == 3) {
-      _ancestors_collapsed = [
-        _ancestors_collapsed[0],
-        _ancestors_collapsed[1],
-        _ancestors_collapsed[2],
-        0,0,0,0,0
-      ];
-    }
-    if (obj.metainfo.heading_lev_collapsed == 4) {
-      _ancestors_collapsed = [
-        _ancestors_collapsed[0],
-        _ancestors_collapsed[1],
-        _ancestors_collapsed[2],
-        _ancestors_collapsed[3],
-        0,0,0,0
-      ];
-    }
-    if (obj.metainfo.heading_lev_collapsed == 5) {
-      _ancestors_collapsed = [
-        _ancestors_collapsed[0],
-        _ancestors_collapsed[1],
-        _ancestors_collapsed[2],
-        _ancestors_collapsed[3],
-        _ancestors_collapsed[4],
-        0,0,0
-      ];
-    }
-    if (obj.metainfo.heading_lev_collapsed == 6) {
-      _ancestors_collapsed = [
-        _ancestors_collapsed[0],
-        _ancestors_collapsed[1],
-        _ancestors_collapsed[2],
-        _ancestors_collapsed[3],
-        _ancestors_collapsed[4],
-        _ancestors_collapsed[5],
-        0,0
-      ];
-    }
-    if (obj.metainfo.heading_lev_collapsed == 7) {
-      _ancestors_collapsed = [
-        _ancestors_collapsed[0],
-        _ancestors_collapsed[1],
-        _ancestors_collapsed[2],
-        _ancestors_collapsed[3],
-        _ancestors_collapsed[4],
-        _ancestors_collapsed[5],
-        _ancestors_collapsed[6],
-        0
-      ];
-    }
-    if (obj.metainfo.heading_lev_collapsed == 8) {
-      _ancestors_collapsed = [
-        _ancestors_collapsed[0],
-        _ancestors_collapsed[1],
-        _ancestors_collapsed[2],
-        _ancestors_collapsed[3],
-        _ancestors_collapsed[4],
-        _ancestors_collapsed[5],
-        _ancestors_collapsed[6],
-        _ancestors_collapsed[7]
-      ];
-    }
-    _ancestors_collapsed[obj.metainfo.heading_lev_collapsed] = obj.metainfo.ocn;
-  }
-  debug(ancestor_collapsed) {
-    writeln("collapsed: ", _ancestors_collapsed);
-  }
-  return _ancestors_collapsed;
-}
-#+END_SRC
-
-***** ↻ Loop section: document body [bd]
-
-- substantive object numbers already exist
-- number un-numbered non-substantive text
-
-#+name: abs_post
-#+BEGIN_SRC d
-/+ multiple 1~ levels, loop through document body +/
-if (the_document_body_section.length > 1) {
-  int[] _ancestors_markup = [0,0,0,0,0,0,0,0];
-  int[][] _ancestors_markup_;
-  _ancestors_markup = [1,0,0,0,0,0,0,0];
-  _ancestors_markup_ ~= _ancestors_markup;
-  int[] _ancestors_collapsed = [0,0,0,0,0,0,0,0];
-  int[][] _ancestors_collapsed_;
-  _ancestors_collapsed = [1,0,0,0,0,0,0,0];
-  _ancestors_collapsed_ ~= _ancestors_collapsed;
-  foreach (ref obj; the_document_body_section) {
-    if (obj.metainfo.is_a == "heading") {
-      obj.metainfo.markedup_ancestors = _get_ancestors_markup(obj, _ancestors_markup);
-      obj.metainfo.collapsed_ancestors = _get_ancestors_collapsed(obj, _ancestors_collapsed);
-      obj.metainfo.parent_ocn = obj.metainfo.markedup_ancestors[obj.metainfo.parent_lev_markup];
-    }
-  }
-  debug(ancestors) {
-    writeln("ancestors markup o_n:    ", obj.metainfo.markedup_ancestors);
-    writeln("ancestors collapsed o_n: ", obj.metainfo.markedup_ancestors);
-  }
-}
-#+END_SRC
-
-***** ↻ Loop section: endnotes [en]
-
-#+name: abs_post
-#+BEGIN_SRC d
-if (the_endnotes_section.length > 1) {
-  segnames["html"] ~= "endnotes";
-  segnames["epub"] ~= "endnotes";
-  html_segnames_ptr = html_segnames_ptr_cntr;
-  foreach (ref obj; the_endnotes_section) {
-    if (obj.metainfo.is_a == "heading") {
-      obj.metainfo.parent_ocn = obj.metainfo.markedup_ancestors[obj.metainfo.parent_lev_markup];
-    }
-    if (obj.metainfo.heading_lev_markup == 4) {
-      obj.ptr.html_segnames = html_segnames_ptr;
-      break;
-    }
-  }
-  html_segnames_ptr_cntr++;
-}
-#+END_SRC
-
-***** ↻ Loop section: glossary [gl]
-
-#+name: abs_post
-#+BEGIN_SRC d
-if (the_glossary_section.length > 1) {
-  segnames["html"] ~= "glossary";
-  segnames["epub"] ~= "glossary";
-  html_segnames_ptr = html_segnames_ptr_cntr;
-  foreach (ref obj; the_glossary_section) {
-    if (obj.metainfo.is_a == "heading") {
-      obj.metainfo.parent_ocn = obj.metainfo.markedup_ancestors[obj.metainfo.parent_lev_markup];
-    }
-    if (obj.metainfo.heading_lev_markup == 4) {
-      obj.ptr.html_segnames = html_segnames_ptr;
-      break;
-    }
-  }
-  html_segnames_ptr_cntr++;
-}
-#+END_SRC
-
-***** ↻ Loop section: bibliography [bb]
-
-#+name: abs_post
-#+BEGIN_SRC d
-if (the_bibliography_section.length > 1) {
-  segnames["html"] ~= "bibliography";
-  segnames["epub"] ~= "bibliography";
-  html_segnames_ptr = html_segnames_ptr_cntr;
-  foreach (ref obj; the_bibliography_section) {
-    if (obj.metainfo.is_a == "heading") {
-      obj.metainfo.parent_ocn = obj.metainfo.markedup_ancestors[obj.metainfo.parent_lev_markup];
-    }
-    if (obj.metainfo.heading_lev_markup == 4) {
-      obj.ptr.html_segnames = html_segnames_ptr;
-      break;
-    }
-  }
-  html_segnames_ptr_cntr++;
-}
-#+END_SRC
-
-***** ↻ Loop section: book index [bi]
-
-#+name: abs_post
-#+BEGIN_SRC d
-if (the_bookindex_section.length > 1) {
-  segnames["html"] ~= "bookindex";
-  segnames["epub"] ~= "bookindex";
-  html_segnames_ptr = html_segnames_ptr_cntr;
-  foreach (ref obj; the_bookindex_section) {
-    if (obj.metainfo.is_a == "heading") {
-      obj.metainfo.parent_ocn = obj.metainfo.markedup_ancestors[obj.metainfo.parent_lev_markup];
-    }
-    if (obj.metainfo.heading_lev_markup == 4) {
-      obj.ptr.html_segnames = html_segnames_ptr;
-      break;
-    }
-  }
-  html_segnames_ptr_cntr++;
-}
-#+END_SRC
-
-***** ↻ Loop section: blurb [bl]
-
-#+name: abs_post
-#+BEGIN_SRC d
-if (the_blurb_section.length > 1) {
-  segnames["html"] ~= "blurb";
-  segnames["epub"] ~= "blurb";
-  html_segnames_ptr = html_segnames_ptr_cntr;
-  foreach (ref obj; the_blurb_section) {
-    if (obj.metainfo.is_a == "heading") {
-      obj.metainfo.parent_ocn = obj.metainfo.markedup_ancestors[obj.metainfo.parent_lev_markup];
-    }
-    if (obj.metainfo.heading_lev_markup == 4) {
-      obj.ptr.html_segnames = html_segnames_ptr;
-      break;
-    }
-  }
-  html_segnames_ptr_cntr++;
-}
-#+END_SRC
-
-**** 2. ↻ _Loop all objects:_ encode _structural relationships_ (sections, segments, objects)
-
-needed for DOM structure, segnames & subtoc, backmatter pointers & unique image
-list
-
-if used minimally only for DOM structure, segnames, subtoc, could optimise by
-- skipping second and third pass unless the output html seg or epub is being
-  made!
-
-- this loop could conveniently be used more extensively for ancestors as well
-  (though this information can be extracted earlier)
-
-Build here:
-- DOM structure
-  - ancestors & decendants
-    - ancestors could be determined earlier, but convenient to have here
-    - descendants could be in the form of:
-      - headings contained under current heading, and/or;
-      - the range of objects under the current heading
-- numbering
-  - already given
-    - substantive object numbers
-    - endnote
-  - provide
-    - glossary
-    - bibliography
-    - book index
-    - blurb
-    - other non-substantive objects (prefix & other stuff)
-  - you could also decide on a sequential object list, containing all objects
-    (both substantive and non-substantive objects), in addition to ocn, which
-    are for substantive/ citable objects within the document
-
-(as needed) up to document heading 1~, lev4 html:
-
-- during this (the third) pass all previous and next segment names are known
-- next are not yet known for backmatter during the second pas
-
-***** Methods
-****** decendants
-
-#+name: abs_post
-#+BEGIN_SRC d
-auto get_decendants()(ObjGenericComposite[] document_sections) {
-  int[string] _heading_ocn_decendants;
-  string[] _ocn_open_key = ["","","","","","","",""];
-  auto _doc_sect_length = document_sections.length - 1;
-  int _last_ocn;
-  foreach (_lg, ref obj; document_sections) {
-    if (obj.metainfo.is_a == "heading") {
-      foreach (_dts_lv, dom_tag_status; obj.metainfo.dom_structure_markedup_tags_status) {
-        switch (dom_tag_status) with (DomTags) {
-        case none: break;
-        case open:
-            _ocn_open_key[_dts_lv] = (obj.metainfo.ocn).to!string;
-            _heading_ocn_decendants[_ocn_open_key[_dts_lv]] = obj.metainfo.ocn;
-          break;
-        case close:
-          if (_ocn_open_key[_dts_lv].empty) {
-            _ocn_open_key[_dts_lv] = "0";
-          }
-          _heading_ocn_decendants[_ocn_open_key[_dts_lv]] = obj.metainfo.ocn - 1;
-          _ocn_open_key[_dts_lv] = (0).to!string;
-          break;
-        case close_and_open:
-          if (_ocn_open_key[_dts_lv].empty) {
-            _ocn_open_key[_dts_lv] = "0";
-          }
-          _heading_ocn_decendants[_ocn_open_key[_dts_lv]] = obj.metainfo.ocn - 1;
-          _ocn_open_key[_dts_lv] = (obj.metainfo.ocn).to!string;
-          _heading_ocn_decendants[_ocn_open_key[_dts_lv]] = obj.metainfo.ocn;
-          break;
-        case open_still: break;
-        default: break;
-        }
-      }
-    }
-    if (obj.metainfo.ocn > 0) {
-      _last_ocn = obj.metainfo.ocn;
-    }
-    if (_lg == _doc_sect_length) {
-      _heading_ocn_decendants["1"] = _last_ocn; // close existing o_n key
-    }
-  }
-  Tuple!(int, int)[] pairs;
-  foreach (pair; _heading_ocn_decendants.byPair) {
-    pairs ~= tuple(pair[0].to!int, pair[1]);
-  }
-  return pairs.sort;
-}
-#+END_SRC
-
-****** images: extract
-
-#+name: abs_post
-#+BEGIN_SRC d
-string[] _images;
-string[] extract_images()(string content_block) {
-  string[] images_;
-  if (auto m = content_block.matchAll(rgx.image)) {
-    images_ ~= m.captures[1];
-  }
-  return images_;
-}
-string[] segnames_0_to_4;
-#+END_SRC
-
-****** images: dimensions
-
-#+name: abs_post
-#+BEGIN_SRC d
-auto _image_dimensions(O,M)(O obj, M manifested) {
-  if (obj.has.image_without_dimensions) {
-    import std.math;
-    import imageformats;
-    int w, h, chans;
-    real _w, _h;
-    int max_width = 640;
-    foreach (m; obj.text.matchAll(rgx.inline_image_without_dimensions)) {
-      debug(images) {
-        writeln(manifested.src.image_dir_path ~ "/" ~ m["img"]);
-      }
-      read_image_info(manifested.src.image_dir_path ~ "/" ~ m["img"], w, h, chans);
-      // calculate, decide max width and proportionally reduce to keep w & h within it
-      debug(images) {
-        writeln("width: ", w, ", height: ", h);
-      }
-      if (w > max_width) {
-        _w = max_width;
-        _h = round((max_width / w.to!real) * h.to!real);
-      } else {
-        _w = w;
-        _h = h;
-      }
-      obj.text = obj.text.replaceFirst(
-        rgx.inline_image_without_dimensions,
-        format(q"┃%s☼%s,w%sh%s %s┃",
-          "$1",
-          "$3",
-          _w.to!string,
-          _h.to!string,
-          "$6",
-        )
-      );
-    }
-    debug(images) {
-      writeln("image without dimensions: ", obj.text);
-    }
-  }
-  return obj;
-}
-#+END_SRC
-
-***** links: think about!!!
-- move actual links to an array in object struct so they cannot be regex munged within text block
-  - you may wish to exclude certain types of internal document link
-    - object number links
-      - toc
-      - book index
-    - footnotes and footnote numbers
-
-#+name: abs_post
-#+BEGIN_SRC d
-auto _links(O)(O obj) {
-  if (auto m = obj.text.match(rgx.inline_link_stow_uri)) {
-    debug(links) {
-      writeln("number of link matches to stow: ", (obj.text.match(rgx.inline_link_stow_uri)).count);
-      writeln("links to stow: ", (obj.text.match(rgx.inline_link_stow_uri)));
-    }
-    int _n_matches = (obj.text.match(rgx.inline_link_stow_uri)).count.to!int;
-    for(int i=0; i < _n_matches; ++i) {
-      if (obj.text.match(rgx.inline_link_stow_uri)) {
-        obj.stow.link ~= obj.text.matchFirst(rgx.inline_link_stow_uri)[2];
-        obj.text = obj.text.replaceFirst(
-          rgx.inline_link_stow_uri,
-          format(q"┃┥%s┝┤%s├┃", "$1", i)
-        );
-      }
-    }
-  }
-  return obj;
-}
-#+END_SRC
-
-***** ↻ Loop section: head
-
-#+name: abs_post
-#+BEGIN_SRC d
-foreach (ref obj; the_document_head_section) {
-  if (obj.metainfo.is_a == "heading") {
-    debug(dom) {
-      writeln(obj.text);
-    }
-    if (obj.metainfo.heading_lev_markup <= 4) {
-      segnames_0_to_4 ~= obj.tags.segment_anchor_tag_epub;
-    }
-    if (obj.metainfo.heading_lev_markup == 0) {
-      /+ TODO second hit (of two) with same assertion failure, check, fix and reinstate
-      assert( obj.metainfo.ocn == 1,
-        "Title OCN should be 1 not: " ~ obj.metainfo.ocn.to!string); // bug introduced 0.18.1
-      +/
-      obj.metainfo.ocn = 1;
-      obj.metainfo.identifier = "1";
-      obj.metainfo.object_number_type = OCNtype.ocn;
-    }
-    /+ dom structure (marked up & collapsed) +/
-    if (opt_action.meta_processing_xml_dom) {
-      obj = obj.obj_dom_structure_set_markup_tags(dom_structure_markedup_tags_status, obj.metainfo.heading_lev_markup);
-      obj = obj.obj_dom_set_collapsed_tags(dom_structure_collapsed_tags_status, obj.metainfo.heading_lev_collapsed);
-    }
-    obj = obj.obj_heading_ancestors(lv_ancestors_txt);
-  }
-  obj = _links(obj);
-}
-#+END_SRC
-
-***** ↻ Loop section: toc [to]
-
-#+name: abs_post
-#+BEGIN_SRC d
-if (the_table_of_contents_section.length > 1) {
-  /+ scroll +/
-  dom_structure_markedup_tags_status_buffer = dom_structure_markedup_tags_status.dup;
-  dom_structure_collapsed_tags_status_buffer = dom_structure_collapsed_tags_status.dup;
-  foreach (ref obj; the_table_of_contents_section) {
-    if (obj.metainfo.is_a == "heading") {
-      if (obj.metainfo.heading_lev_markup <= 4) {
-        segnames_0_to_4 ~= obj.tags.segment_anchor_tag_epub;
-        if (obj.metainfo.heading_lev_markup == 4) {
-          obj.tags.segname_next = segnames["html"][obj.ptr.html_segnames + 1];
-          assert(obj.tags.anchor_tag_html == segnames["html"][obj.ptr.html_segnames],
-            obj.tags.anchor_tag_html ~ "!=" ~ segnames["html"][obj.ptr.html_segnames]);
-        }
-      }
-      /+ dom structure (marked up & collapsed) +/
-      if (opt_action.meta_processing_xml_dom) {
-        obj = obj.obj_dom_structure_set_markup_tags(dom_structure_markedup_tags_status, obj.metainfo.heading_lev_markup);
-        obj = obj.obj_dom_set_collapsed_tags(dom_structure_collapsed_tags_status, obj.metainfo.heading_lev_collapsed);
-      }
-      obj = obj.obj_heading_ancestors(lv_ancestors_txt);
-    }
-    obj = _links(obj);
-  }
-}
-#+END_SRC
-
-***** ↻ Loop section: document body [bd]
-
-#+name: abs_post
-#+BEGIN_SRC d
-/+ multiple 1~ levels, loop through document body +/
-if (the_document_body_section.length > 1) {
-  foreach (ref obj; the_document_body_section) {
-    if (!(obj.metainfo.identifier.empty)) {
-      if (!(((obj.metainfo.identifier) in tag_assoc)
-        && ("seg_lv4" in tag_assoc[(obj.metainfo.identifier)]))
-      ) {
-        tag_assoc[(obj.metainfo.identifier)]["seg_lv4"]
-        = obj.tags.html_segment_anchor_tag_is;
-      }
-      tag_assoc[(obj.metainfo.identifier)]["seg_lv1_to_4"]
-      = obj.tags.epub_segment_anchor_tag_is;
-    }
-    if (obj.metainfo.is_a == "heading") {
-      debug(dom) {
-        writeln(obj.text);
-      }
-      if (obj.metainfo.heading_lev_markup <= 4) {
-        segnames_0_to_4 ~= obj.tags.segment_anchor_tag_epub;
-        if (obj.metainfo.heading_lev_markup == 4) {
-          obj.tags.lev4_subtoc = lev4_subtoc[obj.tags.anchor_tag_html];
-          obj.tags.segname_prev = segnames["html"][obj.ptr.html_segnames - 1];
-          if (segnames["html"].length > obj.ptr.html_segnames + 1) {
-            obj.tags.segname_next = segnames["html"][obj.ptr.html_segnames + 1];
-          }
-          assert(obj.tags.anchor_tag_html == segnames["html"][obj.ptr.html_segnames],
-            obj.tags.anchor_tag_html ~ "!=" ~ segnames["html"][obj.ptr.html_segnames]);
-        }
-      }
-      /+ dom structure (marked up & collapsed) +/
-      if (opt_action.meta_processing_xml_dom) {
-        obj = obj.obj_dom_structure_set_markup_tags(dom_structure_markedup_tags_status, obj.metainfo.heading_lev_markup);
-        obj = obj.obj_dom_set_collapsed_tags(dom_structure_collapsed_tags_status, obj.metainfo.heading_lev_collapsed);
-      }
-      obj = obj.obj_heading_ancestors(lv_ancestors_txt);
-    } else if (obj.metainfo.is_a == "para") {
-       _images ~= extract_images(obj.text);
-       obj = _image_dimensions(obj, manifested);
-    }
-    obj = _links(obj);
-  }
-}
-auto image_list = (_images.sort()).uniq;
-#+END_SRC
-
-***** ↻ Loop section: endnotes [en]
-
-- endnotes have their own number, (also use in node) and they belong to calling object
-
-#+name: abs_post
-#+BEGIN_SRC d
-/+ optional only one 1~ level +/
-if (the_endnotes_section.length > 1) {
-  dom_structure_markedup_tags_status_buffer  = dom_structure_markedup_tags_status.dup;
-  dom_structure_collapsed_tags_status_buffer = dom_structure_collapsed_tags_status.dup;
-  dom_structure_markedup_tags_status         = dom_structure_markedup_tags_status_buffer.dup;
-  dom_structure_collapsed_tags_status        = dom_structure_collapsed_tags_status_buffer.dup;
-  foreach (ref obj; the_endnotes_section) {
-    if (obj.metainfo.is_a == "heading") {
-      debug(dom) {
-        writeln(obj.text);
-      }
-      obj_cite_digits         = ocn_emit(OCNstatus.on);
-      obj.metainfo.ocn        = obj_cite_digits.object_number;
-      obj.metainfo.identifier = obj_cite_digits.identifier;
-      if (obj.metainfo.heading_lev_markup <= 4) {
-        segnames_0_to_4 ~= obj.tags.segment_anchor_tag_epub;
-        if (obj.metainfo.heading_lev_markup == 4) {
-          obj.tags.segname_prev = segnames["html"][obj.ptr.html_segnames - 1];
-          if (segnames["html"].length > obj.ptr.html_segnames + 1) {
-            obj.tags.segname_next = segnames["html"][obj.ptr.html_segnames + 1];
-          }
-          assert(obj.tags.anchor_tag_html == segnames["html"][obj.ptr.html_segnames],
-            obj.tags.anchor_tag_html ~ "!=" ~ segnames["html"][obj.ptr.html_segnames]);
-        }
-      }
-      /+ dom structure (marked up & collapsed) +/
-      if (opt_action.meta_processing_xml_dom) {
-        obj = obj.obj_dom_structure_set_markup_tags(dom_structure_markedup_tags_status, obj.metainfo.heading_lev_markup);
-        obj = obj.obj_dom_set_collapsed_tags(dom_structure_collapsed_tags_status, obj.metainfo.heading_lev_collapsed);
-      }
-      obj = obj.obj_heading_ancestors(lv_ancestors_txt);
-    }
-    obj = _links(obj);
-  }
-}
-#+END_SRC
-
-***** ↻ Loop section: glossary [gl]
-
-- add glossary numbering, (also use in node) no need to show in text
-
-#+name: abs_post
-#+BEGIN_SRC d
-/+ optional only one 1~ level +/
-if (the_glossary_section.length > 1) {
-  foreach (ref obj; the_glossary_section) {
-    if (obj.metainfo.is_a == "heading") {
-      debug(dom) {
-        writeln(obj.text);
-      }
-      obj_cite_digits         = ocn_emit(OCNstatus.on);
-      obj.metainfo.ocn        = obj_cite_digits.object_number;
-      obj.metainfo.identifier = obj_cite_digits.identifier;
-      if (obj.metainfo.heading_lev_markup <= 4) {
-        segnames_0_to_4 ~= obj.tags.segment_anchor_tag_epub;
-        if (obj.metainfo.heading_lev_markup == 4) {
-          obj.tags.segname_prev = segnames["html"][obj.ptr.html_segnames - 1];
-          if (segnames["html"].length > obj.ptr.html_segnames + 1) {
-            obj.tags.segname_next = segnames["html"][obj.ptr.html_segnames + 1];
-          }
-          assert(obj.tags.anchor_tag_html == segnames["html"][obj.ptr.html_segnames],
-            obj.tags.anchor_tag_html ~ "!=" ~ segnames["html"][obj.ptr.html_segnames]);
-        }
-      }
-      /+ dom structure (marked up & collapsed) +/
-      if (opt_action.meta_processing_xml_dom) {
-        obj = obj.obj_dom_structure_set_markup_tags(dom_structure_markedup_tags_status, obj.metainfo.heading_lev_markup);
-        obj = obj.obj_dom_set_collapsed_tags(dom_structure_collapsed_tags_status, obj.metainfo.heading_lev_collapsed);
-      }
-      obj = obj.obj_heading_ancestors(lv_ancestors_txt);
-    } else if (obj.metainfo.is_a == "glossary") {
-      obj_cite_digits         = ocn_emit(OCNstatus.on);
-      obj.metainfo.ocn        = obj_cite_digits.object_number;
-      obj.metainfo.identifier = obj_cite_digits.identifier;
-    }
-    obj = _links(obj);
-  }
-}
-#+END_SRC
-
-***** ↻ Loop section: bibliography [bb]
-
-- add bibliography numbering, (also use in node) no need to show in text
-
-#+name: abs_post
-#+BEGIN_SRC d
-/+ optional only one 1~ level +/
-if (the_bibliography_section.length > 1) {
-  foreach (ref obj; the_bibliography_section) {
-    if (obj.metainfo.is_a == "heading") {
-      debug(dom) {
-        writeln(obj.text);
-      }
-      obj_cite_digits         = ocn_emit(OCNstatus.on);
-      obj.metainfo.ocn        = obj_cite_digits.object_number;
-      obj.metainfo.identifier = obj_cite_digits.identifier;
-      if (obj.metainfo.heading_lev_markup <= 4) {
-        segnames_0_to_4 ~= obj.tags.segment_anchor_tag_epub;
-        if (obj.metainfo.heading_lev_markup == 4) {
-          obj.tags.segname_prev = segnames["html"][obj.ptr.html_segnames - 1];
-          if (segnames["html"].length > obj.ptr.html_segnames + 1) {
-            obj.tags.segname_next = segnames["html"][obj.ptr.html_segnames + 1];
-          }
-          assert(obj.tags.anchor_tag_html == segnames["html"][obj.ptr.html_segnames],
-            obj.tags.anchor_tag_html ~ "!=" ~ segnames["html"][obj.ptr.html_segnames]);
-        }
-      }
-      /+ dom structure (marked up & collapsed) +/
-      if (opt_action.meta_processing_xml_dom) {
-        obj = obj.obj_dom_structure_set_markup_tags(dom_structure_markedup_tags_status, obj.metainfo.heading_lev_markup);
-        obj = obj.obj_dom_set_collapsed_tags(dom_structure_collapsed_tags_status, obj.metainfo.heading_lev_collapsed);
-      }
-      obj = obj.obj_heading_ancestors(lv_ancestors_txt);
-    } else if (obj.metainfo.is_a == "bibliography") {
-      obj_cite_digits         = ocn_emit(OCNstatus.on);
-      obj.metainfo.ocn        = obj_cite_digits.object_number;
-      obj.metainfo.identifier = obj_cite_digits.identifier;
-    }
-    obj = _links(obj);
-  }
-}
-#+END_SRC
-
-***** ↻ Loop section: book index (scroll, seg) [bi]
-
-- add book index numbering?, (also use in node) no need to show in text
-
-#+name: abs_post
-#+BEGIN_SRC d
-/+ optional only one 1~ level +/
-int ocn_       = obj_cite_digits.object_number;
-int ocn_bkidx_ = 0;
-int ocn_bidx_;
-if (the_bookindex_section.length > 1) {                                        /+ scroll +/
-  dom_structure_markedup_tags_status_buffer = dom_structure_markedup_tags_status.dup;
-  dom_structure_collapsed_tags_status_buffer = dom_structure_collapsed_tags_status.dup;
-  foreach (ref obj; the_bookindex_section) {
-    if (obj.metainfo.is_a == "heading") {
-      debug(dom) {
-      }
-      if (obj.metainfo.heading_lev_markup <= 4) {
-        segnames_0_to_4 ~= obj.tags.segment_anchor_tag_epub;
-      }
-      obj_cite_digits         = ocn_emit(OCNstatus.on);
-      obj.metainfo.ocn        = obj_cite_digits.object_number;
-      obj.metainfo.identifier = obj_cite_digits.identifier;
-      if (obj.metainfo.heading_lev_markup <= 4) {
-        if (obj.metainfo.heading_lev_markup == 4) {
-          obj.tags.segname_prev = segnames["html"][obj.ptr.html_segnames - 1];
-          if (segnames["html"].length > obj.ptr.html_segnames + 1) {
-            obj.tags.segname_next = segnames["html"][obj.ptr.html_segnames + 1];
-          }
-          assert(obj.tags.anchor_tag_html == segnames["html"][obj.ptr.html_segnames],
-            obj.tags.anchor_tag_html ~ "!=" ~ segnames["html"][obj.ptr.html_segnames]);
-        }
-      }
-      /+ dom structure (marked up & collapsed) +/
-      if (opt_action.meta_processing_xml_dom) {
-        obj = obj.obj_dom_structure_set_markup_tags(dom_structure_markedup_tags_status, obj.metainfo.heading_lev_markup);
-        obj = obj.obj_dom_set_collapsed_tags(dom_structure_collapsed_tags_status, obj.metainfo.heading_lev_collapsed);
-      }
-      obj = obj.obj_heading_ancestors(lv_ancestors_txt);
-    } else if (obj.metainfo.is_a == "bookindex") {
-      obj_cite_digits                       = ocn_emit(OCNstatus.bkidx);
-      obj.metainfo.ocn                      = obj_cite_digits.object_number;
-      obj.metainfo.identifier               = obj_cite_digits.identifier;
-      obj.metainfo.o_n_book_index           = obj_cite_digits.bkidx;
-      obj.metainfo.object_number_type       = OCNtype.bkidx;
-    }
-    obj = _links(obj);
-  }
-  /+ TODO assert failure, reinstate
-  assert(obj_cite_digit_bkidx == ocn_bidx_
-    obj_cite_digit_bkidx ~ " == ocn_" ~ ocn_ ~ "?");
-  +/
-}
-#+END_SRC
-
-***** ↻ Loop section: blurb [bl]
-
-#+name: abs_post
-#+BEGIN_SRC d
-/+ optional only one 1~ level +/
-if (the_blurb_section.length > 1) {
-  foreach (ref obj; the_blurb_section) {
-    if (obj.metainfo.is_a == "heading") {
-      debug(dom) {
-        writeln(obj.text);
-      }
-      obj_cite_digits         = ocn_emit(OCNstatus.on);
-      obj.metainfo.ocn        = obj_cite_digits.object_number;
-      obj.metainfo.identifier = obj_cite_digits.identifier;
-      if (obj.metainfo.heading_lev_markup <= 4) {
-        segnames_0_to_4 ~= obj.tags.segment_anchor_tag_epub;
-        if (obj.metainfo.heading_lev_markup == 4) {
-          obj.tags.segname_prev = segnames["html"][obj.ptr.html_segnames - 1];
-          if (segnames["html"].length > obj.ptr.html_segnames + 1) {
-            obj.tags.segname_next = segnames["html"][obj.ptr.html_segnames + 1];
-          }
-          assert(obj.tags.anchor_tag_html == segnames["html"][obj.ptr.html_segnames],
-            obj.tags.anchor_tag_html ~ "!=" ~ segnames["html"][obj.ptr.html_segnames]);
-        }
-      }
-      /+ dom structure (marked up & collapsed) +/
-      if (opt_action.meta_processing_xml_dom) {
-        obj = obj.obj_dom_structure_set_markup_tags(dom_structure_markedup_tags_status, obj.metainfo.heading_lev_markup);
-        obj = obj.obj_dom_set_collapsed_tags(dom_structure_collapsed_tags_status, obj.metainfo.heading_lev_collapsed);
-      }
-      obj = obj.obj_heading_ancestors(lv_ancestors_txt);
-    } else if (obj.metainfo.is_a == "blurb") {
-      obj_cite_digits = ocn_emit(OCNstatus.off);
-      obj.metainfo.object_number_off  = obj_cite_digits.off;
-      obj.metainfo.object_number_type = OCNtype.non;
-    }
-    obj = _links(obj);
-  }
-}
-#+END_SRC
-
-***** ↻ Loop sections: get decendants
-
-#+name: abs_post
-#+BEGIN_SRC d
-if (the_document_body_section.length > 1) {
-  auto pairs = get_decendants(
-    the_document_head_section ~
-    the_document_body_section ~
-    the_endnotes_section ~
-    the_glossary_section ~
-    the_bibliography_section ~
-    the_bookindex_section ~
-    the_blurb_section
-  );
-  debug(decendants_tuple) {
-    pairs = pairs.sort();
-    foreach (pair; pairs) {  // (pair; pairs.sort())
-      writeln(pair[0], "..", pair[1]);
-    }
-  }
-  foreach (ref obj; the_document_head_section) {
-    if (obj.metainfo.is_a == "heading") {
-      foreach (pair; pairs) {
-        if (obj.metainfo.ocn == pair[0]) {
-          obj.metainfo.last_decendant_ocn = pair[1];
-        }
-      }
-    }
-  }
-  if (the_document_body_section.length > 1) {
-    foreach (ref obj; the_document_body_section) {
-      if (obj.metainfo.is_a == "heading") {
-        foreach (pair; pairs) {
-          if (obj.metainfo.ocn == pair[0]) {
-            obj.metainfo.last_decendant_ocn = pair[1];
-          }
-        }
-      }
-    }
-  }
-  if (the_endnotes_section.length > 1) {
-    foreach (ref obj; the_endnotes_section) {
-      if (obj.metainfo.is_a == "heading") {
-        foreach (pair; pairs) {
-          if (obj.metainfo.ocn == pair[0]) {
-            obj.metainfo.last_decendant_ocn = pair[1];
-          }
-        }
-      }
-    }
-  }
-  if (the_glossary_section.length > 1) {
-    foreach (ref obj; the_glossary_section) {
-      if (obj.metainfo.is_a == "heading") {
-        foreach (pair; pairs) {
-          if (obj.metainfo.ocn == pair[0]) {
-            obj.metainfo.last_decendant_ocn = pair[1];
-          }
-        }
-      }
-    }
-  }
-  if (the_bibliography_section.length > 1) {
-    foreach (ref obj; the_bibliography_section) {
-      if (obj.metainfo.is_a == "heading") {
-        foreach (pair; pairs) {
-          if (obj.metainfo.ocn == pair[0]) {
-            obj.metainfo.last_decendant_ocn = pair[1];
-          }
-        }
-      }
-    }
-  }
-  if (the_bookindex_section.length > 1) {
-    foreach (ref obj; the_bookindex_section) {
-      if (obj.metainfo.is_a == "heading") {
-        foreach (pair; pairs) {
-          if (obj.metainfo.ocn == pair[0]) {
-            obj.metainfo.last_decendant_ocn = pair[1];
-          }
-        }
-      }
-    }
-  }
-  if (the_blurb_section.length > 1) {
-    foreach (ref obj; the_blurb_section) {
-      if (obj.metainfo.is_a == "heading") {
-        foreach (pair; pairs) {
-          if (obj.metainfo.ocn == pair[0]) {
-            obj.metainfo.last_decendant_ocn = pair[1];
-          }
-        }
-      }
-    }
-  }
-}
-#+END_SRC
-
-**** TODO update BUG?
-
-#+name: abs_post
-#+BEGIN_SRC d
-  /+ TODO
-    - note create/insert heading object sole purpose eof close all open tags
-      sort out:
-      - obj.metainfo.dom_structure_markedup_tags_status = dom_structure_markedup_tags_status;
-      - obj.metainfo.dom_structure_collapsed_tags_status = dom_structure_collapsed_tags_status;
-  +/
-comp_obj_heading_                                 = comp_obj_heading_.init;
-comp_obj_heading_.metainfo.is_of_part             = "empty";
-comp_obj_heading_.metainfo.is_of_section          = "empty";
-comp_obj_heading_.metainfo.is_of_type             = "para";
-comp_obj_heading_.metainfo.is_a                   = "heading";
-comp_obj_heading_.metainfo.ocn                    = 0;
-comp_obj_heading_.metainfo.identifier             = "";
-comp_obj_heading_.metainfo.dummy_heading          = true;
-comp_obj_heading_.metainfo.object_number_off      = true;
-comp_obj_heading_.metainfo.object_number_type     = 0;
-comp_obj_heading_.tags.segment_anchor_tag_epub    = "";
-comp_obj_heading_.tags.anchor_tag_html            = "";
-comp_obj_heading_.tags.in_segment_html            = "";
-comp_obj_heading_.tags.html_segment_anchor_tag_is = "";
-comp_obj_heading_.tags.epub_segment_anchor_tag_is = "";
-comp_obj_heading_.metainfo.heading_lev_markup     = 9;
-comp_obj_heading_.metainfo.heading_lev_collapsed  = 9;
-comp_obj_heading_.metainfo.parent_ocn             = 0;
-comp_obj_heading_.metainfo.parent_lev_markup      = 0;
-comp_obj_heading_.metainfo.dom_structure_markedup_tags_status          = dom_structure_markedup_tags_status.dup;
-comp_obj_heading_.metainfo.dom_structure_collapsed_tags_status         = dom_structure_collapsed_tags_status.dup;
-comp_obj_heading_ = comp_obj_heading_.obj_dom_structure_set_markup_tags(dom_structure_markedup_tags_status, 0);
-comp_obj_heading_ = comp_obj_heading_.obj_dom_set_collapsed_tags(dom_structure_collapsed_tags_status, 0);
-comp_obj_heading_ = comp_obj_heading_.obj_heading_ancestors(lv_ancestors_txt);
-// the_dom_tail_section                      ~= comp_obj_heading_; // remove tail for now, decide on later
-#+END_SRC
-
-** 4. _return document tuple_                                           :post:
-*** _the document_                                                 :document:
-
-#+name: abs_post
-#+BEGIN_SRC d
-ObjGenericComposite[][string] document_the = [
-  "head":             the_document_head_section,
-  "toc":              the_table_of_contents_section,
-  /+ substantive/body: +/
-  "body":             the_document_body_section,
-  /+ backmatter: +/
-  "endnotes":         the_endnotes_section,
-  "glossary":         the_glossary_section,
-  "bibliography":     the_bibliography_section,
-  "bookindex":        the_bookindex_section,
-  "blurb":            the_blurb_section,
-  /+ dom tail only +/
-  "tail":             the_dom_tail_section,
-];
-#+END_SRC
-
-*** document _section keys_ sequence
-
-#+name: abs_post
-#+BEGIN_SRC d
-string[][string] document_section_keys_sequenced = [
-  "scroll": ["head", "toc", "body",],
-  "seg":    ["head", "toc", "body",],
-  "sql":    ["head", "body",],
-  "latex":  ["head", "toc", "body",]
-];
-if (document_the["endnotes"].length > 1) {
-  document_section_keys_sequenced["scroll"] ~= "endnotes";
-  document_section_keys_sequenced["seg"]    ~= "endnotes";
-  document_section_keys_sequenced["latex"]  ~= "endnotes";
-}
-if (document_the["glossary"].length > 1) {
-  document_section_keys_sequenced["scroll"] ~= "glossary";
-  document_section_keys_sequenced["seg"]    ~= "glossary";
-  document_section_keys_sequenced["sql"]    ~= "glossary";
-  document_section_keys_sequenced["latex"]  ~= "glossary";
-}
-if (document_the["bibliography"].length > 1) {
-  document_section_keys_sequenced["scroll"] ~= "bibliography";
-  document_section_keys_sequenced["seg"]    ~= "bibliography";
-  document_section_keys_sequenced["sql"]    ~= "bibliography";
-  document_section_keys_sequenced["latex"]  ~= "bibliography";
-}
-if (document_the["bookindex"].length > 1) {
-  document_section_keys_sequenced["scroll"] ~= "bookindex";
-  document_section_keys_sequenced["seg"]    ~= "bookindex";
-  document_section_keys_sequenced["sql"]    ~= "bookindex";
-  document_section_keys_sequenced["latex"]  ~= "bookindex";
-}
-if (document_the["blurb"].length > 1) {
-  document_section_keys_sequenced["scroll"] ~= "blurb";
-  document_section_keys_sequenced["seg"]    ~= "blurb";
-  document_section_keys_sequenced["sql"]    ~= "blurb";
-  document_section_keys_sequenced["latex"]  ~= "blurb";
-}
-if ((opt_action.html)
-|| (opt_action.html_scroll)
-|| (opt_action.html_seg)
-|| (opt_action.epub)) {
-  document_section_keys_sequenced["scroll"] ~= "tail";
-  document_section_keys_sequenced["seg"]    ~= "tail";
-}
-#+END_SRC
-
-*** dup
-
-#+name: abs_post
-#+BEGIN_SRC d
-string[] segnames_4        = segnames["html"].dup;
-string[] segnames_lv1_to_4 = segnames["epub"].dup;
-debug(segnames) {
-  writeln("segnames_lv4:      ", segnames_4);
-  writeln("segnames_lv1_to_4: ", segnames_lv1_to_4);
-}
-#+END_SRC
-
-*** clean out structure
-
-#+name: abs_post
-#+BEGIN_SRC d
-destroy(the_document_head_section);
-destroy(the_table_of_contents_section);
-destroy(the_document_body_section);
-destroy(the_endnotes_section);
-destroy(the_glossary_section);
-destroy(the_bibliography_section);
-destroy(the_bookindex_section);
-destroy(the_blurb_section);
-destroy(segnames);
-destroy(bookindex_unordered_hashes);
-destroy(an_object);
-obj_cite_digits                              = ocn_emit(OCNstatus.reset);
-biblio_arr_json                              = [];
-obj_cite_digit_                              = 0;
-html_segnames_ptr                            = 0;
-html_segnames_ptr_cntr                       = 0;
-content_non_header                           = "8";
-dom_structure_markedup_tags_status           = [ 0, 0, 0, 0, 0, 0, 0, 0, 0,];
-dom_structure_markedup_tags_status_buffer    = [ 0, 0, 0, 0, 0, 0, 0, 0, 0,];
-dom_structure_collapsed_tags_status          = [ 0, 0, 0, 0, 0, 0, 0, 0, 0,];
-dom_structure_collapsed_tags_status_buffer   = [ 0, 0, 0, 0, 0, 0, 0, 0, 0,];
-#+END_SRC
-
-*** doc_has struct
-
-#+name: abs_struct_doc_has
-#+BEGIN_SRC d
-auto doc_has() {
-  struct DocHas_ {
-    uint inline_links() {
-      return dochas["inline_links"];
-    }
-    uint inline_notes_reg() {
-      return dochas["inline_notes"];
-    }
-    uint inline_notes_star() {
-      return dochas["inline_notes_star"];
-    }
-    uint codeblocks() {
-      return dochas["codeblock"];
-    }
-    uint tables() {
-      return dochas["table"];
-    }
-    uint blocks() {
-      return dochas["block"];
-    }
-    uint groups() {
-      return dochas["group"];
-    }
-    uint poems() {
-      return dochas["poem"];
-    }
-    uint quotes() {
-      return dochas["quote"];
-    }
-    ulong images() { // TODO not ideal rethink
-      return (image_list.to!string.strip("[","]").split(",").length);
-    }
-    auto imagelist() {
-      return image_list;
-    }
-    auto keys_seq() {
-      return docSectKeysSeq!()(document_section_keys_sequenced);
-    }
-    string[] segnames_lv4() {
-      return segnames_4;
-    }
-    string[] segnames_lv_0_to_4() {
-      return segnames_0_to_4;
-    }
-    string[string][string] tag_associations() {
-      return tag_assoc;
-    }
-  }
-  return DocHas_();
-}
-#+END_SRC
-
-*** _return document tuple_ [#A]                               :return:tuple:
-
-#+name: abs_return_tuple
-#+BEGIN_SRC d
-auto t = tuple(
-  document_the,
-  doc_has,
-);
-return t;
-#+END_SRC
-
-** 5. Functions                                          :abstract:function:
-
-functions used in document abstraction
-
-*** set & resets                                                    :reset:
-**** object reset: remove (clean)                          :object:remove:
-
-#+name: abs_functions_object_reset
-#+BEGIN_SRC d
-static string[string] object_reset()(string[string] an_object) {
-  an_object.remove("body_nugget");
-  an_object.remove("substantive");
-  an_object.remove("is");
-  an_object.remove("attrib");
-  an_object.remove("bookindex_nugget");
-  return an_object;
-}
-#+END_SRC
-
-**** set, initialize or re-initialize                                :set:
-
-#+name: abs_functions_header_set_common
-#+BEGIN_SRC d
-void flow_common_reset_()(
-  return ref int[string]     line_occur,
-  return ref string[string]  an_object,
-  return ref int[string]     obj_type_status,
-) {
-  line_occur["heading"]      = State.off;
-  line_occur["para"]         = State.off;
-  obj_type_status["heading"] = State.off;
-  obj_type_status["para"]    = State.off;
-  an_object                  = an_object.object_reset;
-}
-#+END_SRC
-
-*** check object_number status in document                            :ocn:
-
-#+name: abs_functions_ocn_status
-#+BEGIN_SRC d
-static int[string]         _check_ocn_status_()(
-  char[]           line,
-  int[string]      obj_type_status,
-) {
-  static auto rgx = Rgx();
-  if (!(line.empty)
-    && (obj_type_status["ocn_status_off_for_multiple_objects"] == OCN_off_block_status.off)
-  ) {
-    /+ not multi-line object, check whether object_number is on or turned off +/
-    if (line.matchFirst(rgx.object_number_block_marks)) {                      /+ switch off object_number +/
-      if (line.matchFirst(rgx.object_number_off_block)) {
-        obj_type_status["ocn_status_off_for_multiple_objects"] = OCN_off_block_status.on;
-        obj_type_status["ocn_status"]                          = OCNstatus.off;
-        debug(ocnoff) {
-          writeln(line);
-        }
-      }
-      if (line.matchFirst(rgx.object_number_off_block_dummy_heading)) {
-        obj_type_status["ocn_status_off_for_multiple_objects"] = OCN_off_block_status.on;
-        obj_type_status["heading_off_for_multiple_objects"]    = Status.on;
-        obj_type_status["ocn_status"]                          = OCNstatus.off;
-        debug(ocnoff) {
-          writeln(line);
-        }
-      }
-    } else {
-      if (obj_type_status["ocn_status_off_for_multiple_objects"] == OCN_off_block_status.off) {
-        obj_type_status["dummy_heading_status"] = Status.off;
-        if (obj_type_status["heading_off_for_multiple_objects"]) {
-          obj_type_status["dummy_heading_status"] = Status.on;
-        }
-        if (line.matchFirst(rgx.object_number_off)) {
-          obj_type_status["ocn_status"] = OCNstatus.off;
-        } else if (line.matchFirst(rgx.object_number_off_dummy_heading)) {
-          obj_type_status["ocn_status"]           = OCNstatus.off;
-          obj_type_status["dummy_heading_status"] = Status.on;
-        } else {
-          obj_type_status["ocn_status"]           = OCNstatus.on;
-          obj_type_status["dummy_heading_status"] = Status.off;
-        }
-      } else {
-        obj_type_status["ocn_status"]             = obj_type_status["ocn_status_off_for_multiple_objects"];
-      }
-    }
-  } else if (
-    !(line.empty)
-    && (obj_type_status["ocn_status_off_for_multiple_objects"] > OCN_off_block_status.off)
-  ) {
-    if (line.matchFirst(rgx.object_number_off_block_close)) {
-      obj_type_status["ocn_status_off_for_multiple_objects"] = OCN_off_block_status.off;
-      obj_type_status["ocn_status"]                          = OCNstatus.on;
-      obj_type_status["dummy_heading_status"]                = Status.off;
-      debug(ocnoff) {
-        writeln(line);
-      }
-    }
-  }
-  return obj_type_status;
-}
-#+END_SRC
-
-*** make substitutions
-**** project
-
-#+name: abs_functions_substitutions
-#+BEGIN_SRC d
-char[] _doc_header_and_make_substitutions_(CMM)(
-  char[]  line,
-  CMM     conf_make_meta,
-) {
-  enum Substitute { match, markup, }
-  if (conf_make_meta.make.substitute) {
-    foreach(substitution_pair; conf_make_meta.make.substitute) {
-      line = line.replaceAll(
-        regex("\b" ~ substitution_pair[Substitute.match]),
-        substitution_pair[Substitute.markup]
-      );
-    }
-  }
-  return line;
-}
-#+END_SRC
-
-**** fontface
-
-#+name: abs_functions_substitutions
-#+BEGIN_SRC d
-char[] _doc_header_and_make_substitutions_fontface_(CMM)(
-  char[]  line,
-  CMM     conf_make_meta,
-) {
-  enum Substitute { match, markup, }
-  if ( conf_make_meta.make.bold) {
-    line = line.replaceAll(
-      regex("\b" ~ conf_make_meta.make.bold[Substitute.match]),
-      conf_make_meta.make.bold[Substitute.markup]
-    );
-  }
-  if (conf_make_meta.make.emphasis) {
-    line = line.replaceAll(
-      regex("\b" ~ conf_make_meta.make.emphasis[Substitute.match]),
-      conf_make_meta.make.emphasis[Substitute.markup]
-    );
-  }
-  if (conf_make_meta.make.italics) {
-    line = line.replaceAll(
-      regex("\b" ~ conf_make_meta.make.italics[Substitute.match]),
-      conf_make_meta.make.italics[Substitute.markup]
-    );
-  }
-  return line;
-}
-#+END_SRC
-
-*** block                                                           :block:
-**** block start (open) block                                      :start:
-***** { block starts function
-
-#+name: abs_functions_block
-#+BEGIN_SRC d
-void flow_txt_block_start()(
-             char[]         line,
-  return ref int[string]    obj_type_status,
-  return ref uint[string]   dochas,
-  return ref string[string] object_number_poem
-) {
-#+END_SRC
-
-****** block (various) curly open                                :curly:
-
-#+name: abs_functions_block
-#+BEGIN_SRC d
-  static auto rgx = Rgx();
-#+END_SRC
-
-******* code
-
-#+name: abs_functions_block
-#+BEGIN_SRC d
-  if (auto m = line.matchFirst(rgx.block_curly_code_open)) {
-    dochas["codeblock"]++;
-    an_object["lang"]              = "";
-    an_object["attrib"]            = (m["attrib"]) ? m["attrib"].to!string : "";
-    an_object["syntax"]            = (m["syntax"]) ? m["syntax"].to!string : "";
-    debug(codecurly) {                              // code (curly) open
-      writefln(
-        "* [code curly] %s",
-        line
-      );
-    }
-    obj_type_status["blocks"]     = TriState.on;
-    obj_type_status["code"]       = TriState.on;
-    obj_type_status["curly_code"] = TriState.on;
-#+END_SRC
-
-******* poem
-
-#+name: abs_functions_block
-#+BEGIN_SRC d
-  } else if (auto m = line.matchFirst(rgx.block_curly_poem_open)) {
-    dochas["poem"]++;
-    an_object["syntax"]            = "";
-    an_object["attrib"]            = (m["attrib"]) ? m["attrib"].to!string : "";
-    an_object["lang"]              = (m["lang"]) ? m["lang"].to!string : "";
-    debug(poem) {                              // poem (curly) open
-      writefln(
-        "* [poem curly] %s",
-        line
-      );
-    }
-    object_number_poem["start"]   = obj_cite_digits.object_number.to!string;
-    obj_type_status["blocks"]     = TriState.on;
-    obj_type_status["verse_new"]  = State.on;
-    obj_type_status["poem"]       = TriState.on;
-    obj_type_status["curly_poem"] = TriState.on;
-#+END_SRC
-
-******* group
-
-#+name: abs_functions_block
-#+BEGIN_SRC d
-  } else if (auto m = line.matchFirst(rgx.block_curly_group_open)) {
-    dochas["group"]++;
-    an_object["syntax"]            = "";
-    an_object["attrib"]            = (m["attrib"]) ? m["attrib"].to!string : "";
-    an_object["lang"]              = (m["lang"]) ? m["lang"].to!string : "";
-    debug(group) {                             // group (curly) open
-      writefln(
-        "* [group curly] %s",
-        line
-      );
-    }
-    obj_type_status["blocks"]      = TriState.on;
-    obj_type_status["group"]       = TriState.on;
-    obj_type_status["curly_group"] = TriState.on;
-#+END_SRC
-
-******* block
-
-#+name: abs_functions_block
-#+BEGIN_SRC d
-  } else if (auto m = line.matchFirst(rgx.block_curly_block_open)) {
-    dochas["block"]++;
-    an_object["syntax"]            = "";
-    an_object["attrib"]            = (m["attrib"]) ? m["attrib"].to!string : "";
-    an_object["lang"]              = (m["lang"]) ? m["lang"].to!string : "";
-    debug(block) {                             // block (curly) open
-      writefln(
-        "* [block curly] %s",
-        line
-      );
-    }
-    obj_type_status["blocks"]      = TriState.on;
-    obj_type_status["block"]       = TriState.on;
-    obj_type_status["curly_block"] = TriState.on;
-#+END_SRC
-
-******* quote
-
-#+name: abs_functions_block
-#+BEGIN_SRC d
-  } else if (auto m = line.matchFirst(rgx.block_curly_quote_open)) {
-    dochas["quote"]++;
-    an_object["syntax"]            = "";
-    an_object["attrib"]            = m["attrib"].to!string;
-    an_object["lang"]              = m["lang"].to!string;
-    debug(quote) {                             // quote (curly) open
-      writefln(
-        "* [quote curly] %s",
-        line
-      );
-    }
-    obj_type_status["blocks"]      = TriState.on;
-    obj_type_status["quote"]       = TriState.on;
-    obj_type_status["curly_quote"] = TriState.on;
-#+END_SRC
-
-******* table
-
-#+name: abs_functions_block
-#+BEGIN_SRC d
-  } else if (auto m = line.matchFirst(rgx.block_curly_table_open)) {           /+ curly table open +/
-    debug(table) {                             // table (curly) open
-      writefln(
-        "* [table curly] %s",
-        line
-      );
-    }
-    dochas["table"] ++;
-    an_object["table_head"]        = m["attrib"].to!string;
-    an_object["block_type"]        = "curly";
-    obj_type_status["blocks"]      = TriState.on;
-    obj_type_status["table"]       = TriState.on;
-    obj_type_status["curly_table"] = TriState.on;
-#+END_SRC
-
-******* table special
-
-#+name: abs_functions_block
-#+BEGIN_SRC d
-  } else if (auto m = line.matchFirst(rgx.block_curly_table_special_markup)) { /+ table: special table block markup syntax! +/
-    dochas["table"]++;
-    an_object["table_head"]                       = m["attrib"].to!string;
-    an_object["block_type"]                       = "special";
-    obj_type_status["blocks"]                     = TriState.on;
-    obj_type_status["table"]                      = TriState.on;
-    obj_type_status["curly_table_special_markup"] = TriState.on;
-#+END_SRC
-
-****** block (various) tic open                                    :tic:
-******* code
-
-#+name: abs_functions_block
-#+BEGIN_SRC d
-  } else if (auto m = line.matchFirst(rgx.block_tic_code_open)) {
-    dochas["codeblock"]++;
-    an_object["lang"]              = "";
-    an_object["attrib"]            = (m["attrib"]) ? m["attrib"].to!string : "";
-    an_object["syntax"]            = (m["syntax"]) ? m["syntax"].to!string : "";
-    debug(codetic) {                              // code (tic) open
-      writefln(
-        "* [code tic] %s",
-        line
-      );
-    }
-    obj_type_status["blocks"]   = TriState.on;
-    obj_type_status["code"]     = TriState.on;
-    obj_type_status["tic_code"] = TriState.on;
-#+END_SRC
-
-******* poem
-
-#+name: abs_functions_block
-#+BEGIN_SRC d
-  } else if (auto m = line.matchFirst(rgx.block_tic_poem_open)) {
-    dochas["poem"]++;
-    an_object["syntax"]            = "";
-    an_object["attrib"]            = (m["attrib"]) ? m["attrib"].to!string : "";
-    an_object["lang"]              = (m["lang"]) ? m["lang"].to!string : "";
-    debug(poem) {                              // poem (tic) open
-      writefln(
-        "* [poem tic] %s",
-        line
-      );
-    }
-    object_number_poem["start"]  = obj_cite_digits.object_number.to!string;
-    obj_type_status["blocks"]    = TriState.on;
-    obj_type_status["verse_new"] = State.on;
-    obj_type_status["poem"]      = TriState.on;
-    obj_type_status["tic_poem"]  = TriState.on;
-#+END_SRC
-
-******* group
-
-#+name: abs_functions_block
-#+BEGIN_SRC d
-  } else if (auto m = line.matchFirst(rgx.block_tic_group_open)) {
-    dochas["group"]++;
-    an_object["syntax"]            = "";
-    an_object["attrib"]            = (m["attrib"]) ? m["attrib"].to!string : "";
-    an_object["lang"]              = (m["lang"]) ? m["lang"].to!string : "";
-    debug(group) {                             // group (tic) open
-      writefln(
-        "* [group tic] %s",
-        line
-      );
-    }
-    obj_type_status["blocks"]    = TriState.on;
-    obj_type_status["group"]     = TriState.on;
-    obj_type_status["tic_group"] = TriState.on;
-#+END_SRC
-
-******* block
-
-#+name: abs_functions_block
-#+BEGIN_SRC d
-  } else if (auto m = line.matchFirst(rgx.block_tic_block_open)) {
-    dochas["block"]++;
-    an_object["syntax"]            = "";
-    an_object["attrib"]            = (m["attrib"]) ? m["attrib"].to!string : "";
-    an_object["lang"]              = (m["lang"]) ? m["lang"].to!string : "";
-    debug(block) {                             // block (tic) open
-      writefln(
-        "* [block tic] %s",
-        line
-      );
-    }
-    obj_type_status["blocks"]    = TriState.on;
-    obj_type_status["block"]     = TriState.on;
-    obj_type_status["tic_block"] = TriState.on;
-#+END_SRC
-
-******* quote
-
-#+name: abs_functions_block
-#+BEGIN_SRC d
-  } else if (auto m = line.matchFirst(rgx.block_tic_quote_open)) {
-    dochas["quote"]++;
-    an_object["syntax"]            = "";
-    an_object["attrib"]            = m["attrib"].to!string;
-    an_object["lang"]              = m["lang"].to!string;
-    debug(quote) {                             // quote (tic) open
-      writefln(
-        "* [quote tic] %s",
-        line
-      );
-    }
-    obj_type_status["blocks"]    = TriState.on;
-    obj_type_status["quote"]     = TriState.on;
-    obj_type_status["tic_quote"] = TriState.on;
-#+END_SRC
-
-******* table
-
-#+name: abs_functions_block
-#+BEGIN_SRC d
-  } else if (auto m = line.matchFirst(rgx.block_tic_table_open)) {             /+ tic table open +/
-    debug(table) {                             // table (tic) open
-      writefln(
-        "* [table tic] %s",
-        line
-      );
-    }
-    dochas["table"] ++;
-    an_object["table_head"]      = m["attrib"].to!string;
-    an_object["block_type"]      = "tic";
-    obj_type_status["blocks"]    = TriState.on;
-    obj_type_status["table"]     = TriState.on;
-    obj_type_status["tic_table"] = TriState.on;
-  }
-#+END_SRC
-
-***** }
-
-#+name: abs_functions_block
-#+BEGIN_SRC d
-}
-#+END_SRC
-
-**** block continue (an open block)                             :continue:
-***** _code block_ (special status, deal with first)                 :code:
-
-#+name: abs_functions_block_code
-#+BEGIN_SRC d
-void flow_txt_block_code()(
-             char[]          line,
-  return ref string[string]  an_object,
-  return ref int[string]     obj_type_status
-) {
-  static auto rgx = Rgx();
-  if (obj_type_status["curly_code"] == TriState.on) {
-    if (line.matchFirst(rgx.block_curly_code_close)) {
-      debug(codecurly) {                                    // code (curly) close
-        writeln(line);
-      }
-      an_object[an_object_key] = an_object[an_object_key]
-        .replaceFirst(rgx.newline_eol_delimiter_only, "")
-        .stripRight;
-      obj_type_status["blocks"]     = TriState.closing;
-      obj_type_status["code"]       = TriState.closing;
-      obj_type_status["curly_code"] = TriState.off;
-    } else {
-      debug(codecurly) {                                    // code (curly) line
-        writeln(line);
-      }
-      an_object[an_object_key] ~= line ~= "\n";        // code (curly) line
-    }
-  } else if (obj_type_status["tic_code"] == TriState.on) {
-    if (line.matchFirst(rgx.block_tic_close)) {
-      debug(codetic) {                                    // code (tic) close
-        writeln(line);
-      }
-      an_object[an_object_key] = an_object[an_object_key]
-        .replaceFirst(rgx.newline_eol_delimiter_only, "")
-        .stripRight;
-      obj_type_status["blocks"]   = TriState.closing;
-      obj_type_status["code"]     = TriState.closing;
-      obj_type_status["tic_code"] = TriState.off;
-    } else {
-      debug(codetic) {                                    // code (tic) line
-        writeln(line);
-      }
-      an_object[an_object_key] ~= line ~= "\n";        // code (tic) line
-    }
-  }
-}
-#+END_SRC
-
-***** biblio block                                               :biblio:
-****** biblio tag map
-
-#+name: abs_functions_block_biblio
-#+BEGIN_SRC d
-final string biblio_tag_map()(string abr) {
-  auto btm = [
-    "au"           : "author_raw",
-    "ed"           : "editor_raw",
-    "ti"           : "fulltitle",
-    "lng"          : "language",
-    "jo"           : "journal",
-    "vol"          : "volume",
-    "edn"          : "edition",
-    "yr"           : "year",
-    "pl"           : "place",
-    "pb"           : "publisher",
-    "pub"          : "publisher",
-    "pg"           : "pages",
-    "pgs"          : "pages",
-    "sn"           : "short_name"
-  ];
-  return btm[abr];
-}
-#+END_SRC
-
-******* +consider+
-
-#+name: none
-#+BEGIN_SRC d
-final string biblio_tag_map_()(string abr) {
-  string name;
-  switch (abr) {
-  case "au"  : name = "author_raw"; break;
-  case "ed"  : name = "editor_raw"; break;
-  case "ti"  : name = "fulltitle";  break;
-  case "lng" : name = "language";   break;
-  case "jo"  : name = "journal";    break;
-  case "vol" : name = "volume";     break;
-  case "edn" : name = "edition";    break;
-  case "yr"  : name = "year";       break;
-  case "pl"  : name = "place";      break;
-  case "pb"  : name = "publisher";  break;
-  case "pub" : name = "publisher";  break;
-  case "pg"  : name = "pages";      break;
-  case "pgs" : name = "pages";      break;
-  case "sn"  : name = "short_name"; break;
-  default    : name = abr;          break;
-  }
-  return name;
-}
-#+END_SRC
-
-****** biblio block
-
-#+name: abs_functions_block_biblio
-#+BEGIN_SRC d
-void flow_txt_block_biblio(
-  char[]                 line,
-  return ref int[string] obj_type_status,
-  return ref int         bib_entry,
-  return ref string      biblio_entry_str_json,
-  return ref string[]    biblio_arr_json
-) {
-  mixin DocReformBiblio;
-  auto jsn = BibJsnStr();
-  static auto rgx = Rgx();
-  if (line.matchFirst(rgx.heading_biblio)
-    && obj_type_status["para"]  != State.on
-    && obj_type_status["group"] != State.on
-    && obj_type_status["block"] != State.on
-    && obj_type_status["poem"]  != State.on
-    && obj_type_status["table"] != State.on
-    && obj_type_status["quote"] != State.on
-  ) {
-    obj_type_status["glossary_section"] = State.off;
-    obj_type_status["biblio_section"]   = TriState.on;
-    obj_type_status["blurb_section"]    = State.off;
-  }
-  if (line.empty) {
-    debug {
-      debug(biblioblock) {
-        writeln("---");
-      }
-      debug(biblioblockinclude) {
-        writeln(biblio_entry_str_json.length);
-      }
-    }
-    if ((bib_entry == State.off)
-    && (biblio_entry_str_json.empty)) {
-      bib_entry = State.on;
-      biblio_entry_str_json = jsn.biblio_entry_tags_jsonstr;
-    } else if (!(biblio_entry_str_json.empty)) {
-      bib_entry = State.off;
-      if (!(biblio_entry_str_json == jsn.biblio_entry_tags_jsonstr)) {
-        auto biblio_entry = parseJSON(biblio_entry_str_json);
-        if (biblio_entry["fulltitle"].str.empty) {
-          writeln("check problem entry (Title missing): ", biblio_entry_str_json);
-        } else if ((biblio_entry["author_raw"].str.empty) && (biblio_entry["editor_raw"].str.empty)) {
-          writeln("check problem entry (No author and no editor): ", biblio_entry_str_json);
-        } else {
-          biblio_arr_json ~= biblio_entry_str_json;
-        }
-        biblio_entry_str_json = jsn.biblio_entry_tags_jsonstr;
-      }
-    } else { // CHECK ERROR
-      writeln("?? 2. ERROR ", biblio_entry_str_json, "??");
-      biblio_entry_str_json = "";
-    }
-  } else if (line.matchFirst(rgx.biblio_tags)) {
-    debug(biblioblock) {
-      writeln(line);
-    }
-    auto bt = line.match(rgx.biblio_tags);
-    bib_entry = State.off;
-    st = bt.captures[1].to!string;
-    auto header_tag_value=(bt.captures[2]).to!string;
-    JSONValue j = parseJSON(biblio_entry_str_json);
-    biblio_tag_name = (st.match(rgx.biblio_abbreviations))
-      ? (biblio_tag_map(st))
-      : st;
-    j.object[biblio_tag_name] = header_tag_value;
-    debug(bibliounsortedcheckduplicates) {
-      writeln(biblio_tag_name, ": ", header_tag_value);
-      writeln("--");
-    }
-    switch (biblio_tag_name) {
-    case "author_raw": // author_arr author (fn sn)
-      j["author_arr"]
-       = header_tag_value.split(rgx.arr_delimiter);
-      string tmp;
-      biblioAuthorLoop:
-      foreach (au; j["author_arr"].array) {
-        if (auto x = au.str.match(rgx.name_delimiter)) {
-          tmp ~= x.captures[2] ~ " " ~ x.captures[1] ~ ", ";
-        } else {
-          tmp ~= au.str;
-        }
-      }
-      tmp = tmp.replace(rgx.trailing_comma, "");
-      j["author"].str = tmp;
-      goto default;
-    case "editor_raw": // editor_arr editor (fn sn)
-      j["editor_arr"]
-        = header_tag_value.split(rgx.arr_delimiter);
-      string tmp;
-      biblioEditorLoop:
-      foreach (ed; j["editor_arr"].array) {
-        if (auto x = ed.str.match(rgx.name_delimiter)) {
-          tmp ~= x.captures[2] ~ " " ~ x.captures[1] ~ ", ";
-        } else {
-          tmp ~= ed.str;
-        }
-      }
-      tmp = tmp.replace(rgx.trailing_comma, "");
-      j["editor"].str = tmp;
-      goto default;
-    case "fulltitle": // title & subtitle
-      goto default;
-    default:
-      break;
-    }
-    auto s = j.toString();
-    debug(biblio1) {
-      writefln(
-        "* %s: %s\n%s",
-        biblio_tag_name,
-        biblio_tag_entry,
-        j[biblio_tag_name]
-      );
-    }
-    if (line.match(rgx.comment)) {
-      writeln("ERROR", line, "COMMENT");
-      writeln("ERROR", s, "%%");
-    }
-    if (!(match(line, rgx.comment))) {
-      debug(biblioblockinclude) {
-        writeln(line);
-      }
-      biblio_entry_str_json = s;
-    } else {
-      biblio_entry_str_json = "";
-    }
-    header_tag_value="";
-  }
-}
-#+END_SRC
-
-***** quote block                                                 :quote:
-
-#+name: abs_functions_block_quote
-#+BEGIN_SRC d
-string[string] flow_txt_block_quote()(
-             char[]          line,
-             string[string]  an_object,
-  return ref int[string]     obj_type_status
-) {
-  static auto rgx = Rgx();
-  if (obj_type_status["curly_quote"] == TriState.on) {
-    if (line.matchFirst(rgx.block_curly_quote_close)) {
-      debug(quote) {                              // quote (curly) close
-        writeln(line);
-      }
-      an_object[an_object_key]       = an_object[an_object_key].stripRight;
-      obj_type_status["blocks"]      = TriState.closing;
-      obj_type_status["quote"]       = TriState.closing;
-      obj_type_status["curly_quote"] = TriState.off;
-    } else {
-      debug(quote) {
-        writeln(line);
-      }
-      an_object[an_object_key] ~= line ~= "\n";   // build quote array (or string)
-    }
-  } else if (obj_type_status["tic_quote"] == TriState.on) {
-    if (line.matchFirst(rgx.block_tic_close)) {
-      debug(quote) {                              // quote (tic) close
-        writeln(line);
-      }
-      an_object[an_object_key]     = an_object[an_object_key].stripRight;
-      obj_type_status["blocks"]    = TriState.closing;
-      obj_type_status["quote"]     = TriState.closing;
-      obj_type_status["tic_quote"] = TriState.off;
-    } else {
-      debug(quote) {
-        writeln(line);
-      }
-      an_object[an_object_key] ~= line ~= "\n";   // build quote array (or string)
-    }
-  }
-  return an_object;
-}
-#+END_SRC
-
-***** group block                                                 :group:
-
-- apply inline markup
-- discard leading and newline whitespace
-
-#+name: abs_functions_block_group
-#+BEGIN_SRC d
-string[string] flow_txt_block_group()(
-             char[]          line,
-             string[string]  an_object,
-  return ref int[string]     obj_type_status
-) {
-  static auto rgx = Rgx();
-  if (obj_type_status["curly_group"] == State.on) {
-    if (line.matchFirst(rgx.block_curly_group_close)) {
-      debug(group) {
-        writeln(line);
-      }
-      an_object[an_object_key]       = an_object[an_object_key].stripRight;
-      obj_type_status["blocks"]      = TriState.closing;
-      obj_type_status["group"]       = TriState.closing;
-      obj_type_status["curly_group"] = TriState.off;
-    } else {
-      debug(group) {
-        writeln(line);
-      }
-      an_object[an_object_key] ~= line ~= "\n";   // build group array (or string)
-    }
-  } else if (obj_type_status["tic_group"] == TriState.on) {
-    if (line.matchFirst(rgx.block_tic_close)) {
-      debug(group) {
-        writeln(line);
-      }
-      an_object[an_object_key]     = an_object[an_object_key].stripRight;
-      obj_type_status["blocks"]    = TriState.closing;
-      obj_type_status["group"]     = TriState.closing;
-      obj_type_status["tic_group"] = TriState.off;
-    } else {
-      debug(group) {
-        writeln(line);
-      }
-      an_object[an_object_key] ~= line ~= "\n";   // build group array (or string)
-    }
-  }
-  return an_object;
-}
-#+END_SRC
-
-***** block block                                                 :block:
-
-- apply inline markup
-- keep whitespace indentation
-- keep newlines
-
-#+name: abs_functions_block_block
-#+BEGIN_SRC d
-string[string] flow_txt_block_block()(
-             char[]          line,
-             string[string]  an_object,
-  return ref int[string]     obj_type_status
-) {
-  static auto rgx = Rgx();
-  if (obj_type_status["curly_block"] == TriState.on) {
-    if (line.matchFirst(rgx.block_curly_block_close)) {
-      debug(block) {                             // block (curly) close
-        writeln(line);
-      }
-      an_object[an_object_key]       = an_object[an_object_key].stripRight;
-      obj_type_status["blocks"]      = TriState.closing;
-      obj_type_status["block"]       = TriState.closing;
-      obj_type_status["curly_block"] = TriState.off;
-    } else {
-      debug(block) {
-        writeln(line);
-      }
-      an_object[an_object_key] ~= line ~= "\n";   // build block array (or string)
-    }
-  } else if (obj_type_status["tic_block"] == TriState.on) {
-    if (line.matchFirst(rgx.block_tic_close)) {
-      debug(block) {
-        writeln(line);
-      }
-      an_object[an_object_key]     = an_object[an_object_key].stripRight;
-      obj_type_status["blocks"]    = TriState.closing;
-      obj_type_status["block"]     = TriState.closing;
-      obj_type_status["tic_block"] = TriState.off;
-    } else {
-      debug(block) {
-        writeln(line);
-      }
-      an_object[an_object_key] ~= line ~= "\n";   // build block array (or string)
-    }
-  }
-  return an_object;
-}
-#+END_SRC
-
-***** poem block, verse objects                              :poem:verse:
-
-why extra object stuff only in poem/verse?
-
-#+name: abs_functions_block_poem
-#+BEGIN_SRC d
-string[string]  flow_txt_block_poem(CMM)(
-             char[]          line,
-             string[string]  an_object,
-  return ref int[string]     obj_type_status,
-  return ref int             cntr,
-             string[string]  object_number_poem,
-             CMM             conf_make_meta,
-             string[string]  tag_in_seg,
-) {
-  static auto rgx = Rgx();
-  if (obj_type_status["curly_poem"] == TriState.on) {
-    if (line.matchFirst(rgx.block_curly_poem_close)) {
-      if (an_object_key in an_object
-      || processing.length > 0) {
-        an_object[an_object_key]                    = "";
-        debug(poem) {
-          writefln(
-            "* [poem curly] %s",
-            line
-          );
-        }
-        if (processing.length > 0) {
-          an_object[an_object_key] = processing["verse"];
-        }
-        debug(poem) {
-          writeln(__LINE__);
-          writefln(
-            "* %s %s",
-            obj_cite_digits.object_number,
-            line
-          );
-        }
-        if (an_object.length > 0) {
-          debug(poem) {                             // poem (curly) close
-            writeln(
-              obj_cite_digits.object_number,
-              an_object[an_object_key]
-            );
-          }
-          an_object["is"]                           = "verse";
-          auto substantive_obj_misc_tuple
-            = obj_im.obj_inline_markup_and_anchor_tags_and_misc(an_object, an_object_key, conf_make_meta, No._new_doc);
-          an_object["substantive"] = substantive_obj_misc_tuple[sObj.content];
-          anchor_tag = substantive_obj_misc_tuple[sObj.anchor_tag];
-          comp_obj_block                                 = comp_obj_block.init;
-          comp_obj_block.metainfo.is_of_part             = "body";
-          comp_obj_block.metainfo.is_of_section          = "body";
-          comp_obj_block.metainfo.is_of_type             = "block";
-          comp_obj_block.metainfo.is_a                   = "verse";
-          comp_obj_block.metainfo.ocn                    = obj_cite_digits.object_number;
-          comp_obj_block.metainfo.identifier             = obj_cite_digits.identifier;
-          comp_obj_block.metainfo.object_number_off      = obj_cite_digits.off;
-          comp_obj_block.metainfo.o_n_book_index         = obj_cite_digits.bkidx;
-          comp_obj_block.metainfo.object_number_type     = obj_cite_digits.type;
-          comp_obj_block.tags.html_segment_anchor_tag_is = tag_in_seg["seg_lv4"];
-          comp_obj_block.tags.epub_segment_anchor_tag_is = tag_in_seg["seg_lv1_to_4"];
-          comp_obj_block.text                            = an_object["substantive"];
-          comp_obj_block.has.inline_notes_reg            = substantive_obj_misc_tuple[sObj.notes_reg];
-          comp_obj_block.has.inline_notes_star           = substantive_obj_misc_tuple[sObj.notes_star];
-          comp_obj_block.has.inline_links                = substantive_obj_misc_tuple[sObj.links];
-          the_document_body_section                      ~= comp_obj_block;
-          tag_assoc                                      = an_object.inline_para_link_anchor(tag_in_seg, tag_assoc);
-        }
-        object_reset(an_object);
-        processing.remove("verse");
-        ++cntr;
-      }
-      object_number_poem["end"]     = obj_cite_digits.object_number.to!string;
-      obj_type_status["blocks"]     = TriState.closing;
-      obj_type_status["poem"]       = TriState.closing;
-      obj_type_status["curly_poem"] = TriState.off;
-    } else {
-      processing["verse"] ~= line ~= "\n";
-      if (obj_type_status["verse_new"] == State.on) {
-        obj_cite_digits = ocn_emit(obj_type_status["ocn_status"]);
-        obj_type_status["verse_new"] = State.off;
-      } else if (line.matchFirst(rgx.newline_eol_delimiter_only)) {
-        processing["verse"] = processing["verse"].stripRight;
-        verse_line = TriState.off;
-        obj_type_status["verse_new"] = State.on;
-      }
-      if (obj_type_status["verse_new"] == State.on) {
-        verse_line=1;
-        an_object[an_object_key] = processing["verse"];
-        debug(poem) {                          // poem verse
-          writefln(
-            "* %s curly\n%s",
-            obj_cite_digits.object_number,
-            an_object[an_object_key]
-          );
-        }
-        processing.remove("verse");
-        an_object["is"]                           = "verse";
-        auto comp_obj_location = node_construct.node_location_emitter(
-          content_non_header,
-          tag_in_seg,
-          lev_anchor_tag,
-          tag_assoc,
-          obj_cite_digits,
-          cntr,
-          heading_ptr-1,
-          an_object["is"]
-        );
-        auto substantive_obj_misc_tuple
-          = obj_im.obj_inline_markup_and_anchor_tags_and_misc(an_object, an_object_key, conf_make_meta, No._new_doc);
-        an_object["substantive"] = substantive_obj_misc_tuple[sObj.content];
-        anchor_tag = substantive_obj_misc_tuple[sObj.anchor_tag];
-        comp_obj_block                                 = comp_obj_block.init;
-        comp_obj_block.metainfo.is_of_part             = "body";
-        comp_obj_block.metainfo.is_of_section          = "body";
-        comp_obj_block.metainfo.is_of_type             = "block";
-        comp_obj_block.metainfo.is_a                   = "verse";
-        comp_obj_block.metainfo.ocn                    = obj_cite_digits.object_number;
-        comp_obj_block.metainfo.identifier             = obj_cite_digits.identifier;
-        comp_obj_block.metainfo.object_number_off      = obj_cite_digits.off;
-        comp_obj_block.metainfo.o_n_book_index         = obj_cite_digits.bkidx;
-        comp_obj_block.metainfo.object_number_type     = obj_cite_digits.type;
-        comp_obj_block.tags.html_segment_anchor_tag_is = tag_in_seg["seg_lv4"];
-        comp_obj_block.tags.epub_segment_anchor_tag_is = tag_in_seg["seg_lv1_to_4"];
-        comp_obj_block.text                            = an_object["substantive"];
-        comp_obj_block.has.inline_notes_reg            = substantive_obj_misc_tuple[sObj.notes_reg];
-        comp_obj_block.has.inline_notes_star           = substantive_obj_misc_tuple[sObj.notes_star];
-        comp_obj_block.has.inline_links                = substantive_obj_misc_tuple[sObj.links];
-        the_document_body_section                      ~= comp_obj_block;
-        tag_assoc                                      = an_object.inline_para_link_anchor(tag_in_seg, tag_assoc);
-        object_reset(an_object);
-        processing.remove("verse");
-        ++cntr;
-      }
-    }
-  } else if (obj_type_status["tic_poem"] == TriState.on) {
-    if (auto m = line.matchFirst(rgx.block_tic_close)) { // tic_poem_close
-      an_object[an_object_key]="verse";
-      debug(poem) {
-        writefln(
-          "* [poem tic] %s",
-          line
-        );
-      }
-      if (processing.length > 0) {
-        an_object[an_object_key] = processing["verse"];
-      }
-      if (an_object.length > 0) {
-        debug(poem) {                                     // poem (tic) close
-          writeln(__LINE__);
-          writeln(obj_cite_digits.object_number, line);
-        }
-        processing.remove("verse");
-        an_object["is"]                                = "verse";
-        auto substantive_obj_misc_tuple
-          = obj_im.obj_inline_markup_and_anchor_tags_and_misc(an_object, an_object_key, conf_make_meta, No._new_doc);
-        an_object["substantive"] = substantive_obj_misc_tuple[sObj.content];
-        anchor_tag = substantive_obj_misc_tuple[sObj.anchor_tag];
-        comp_obj_block                                 = comp_obj_block.init;
-        comp_obj_block.metainfo.is_of_part             = "body";
-        comp_obj_block.metainfo.is_of_section          = "body";
-        comp_obj_block.metainfo.is_of_type             = "block";
-        comp_obj_block.metainfo.is_a                   = "verse";
-        comp_obj_block.metainfo.ocn                    = obj_cite_digits.object_number;
-        comp_obj_block.metainfo.identifier             = obj_cite_digits.identifier;
-        comp_obj_block.metainfo.object_number_off      = obj_cite_digits.off;
-        comp_obj_block.metainfo.o_n_book_index         = obj_cite_digits.bkidx;
-        comp_obj_block.metainfo.object_number_type     = obj_cite_digits.type;
-        comp_obj_block.tags.html_segment_anchor_tag_is = tag_in_seg["seg_lv4"];
-        comp_obj_block.tags.epub_segment_anchor_tag_is = tag_in_seg["seg_lv1_to_4"];
-        comp_obj_block.text                            = an_object["substantive"];
-        comp_obj_block.has.inline_notes_reg            = substantive_obj_misc_tuple[sObj.notes_reg];
-        comp_obj_block.has.inline_notes_star           = substantive_obj_misc_tuple[sObj.notes_star];
-        comp_obj_block.has.inline_links                = substantive_obj_misc_tuple[sObj.links];
-        the_document_body_section                      ~= comp_obj_block;
-        tag_assoc                                      = an_object.inline_para_link_anchor(tag_in_seg, tag_assoc);
-        object_number_poem["end"]                      = obj_cite_digits.object_number.to!string;
-        object_reset(an_object);
-        processing.remove("verse");
-        ++cntr;
-      }
-      obj_type_status["blocks"]   = TriState.closing;
-      obj_type_status["poem"]     = TriState.closing;
-      obj_type_status["tic_poem"] = TriState.off;
-    } else {
-      processing["verse"] ~= line ~= "\n";
-      if (obj_type_status["verse_new"] == State.on) {
-        obj_cite_digits = ocn_emit(obj_type_status["ocn_status"]);
-        obj_type_status["verse_new"] = State.off;
-      } else if (line.matchFirst(rgx.newline_eol_delimiter_only)) {
-        processing["verse"] = processing["verse"].stripRight;
-        obj_type_status["verse_new"] = State.on;
-        verse_line = TriState.off;
-      }
-      if (obj_type_status["verse_new"] == State.on) {
-        verse_line=1;
-        an_object[an_object_key] = processing["verse"];
-        debug(poem) {                            // poem (tic) close
-          writefln(
-            "* %s tic\n%s",
-            obj_cite_digits.object_number,
-            an_object[an_object_key]
-          );
-        }
-        processing.remove("verse");
-        an_object["is"]                           = "verse";
-        auto comp_obj_location
-          = node_construct.node_location_emitter(
-            content_non_header,
-            tag_in_seg,
-            lev_anchor_tag,
-            tag_assoc,
-            obj_cite_digits,
-            cntr,
-            heading_ptr-1,
-            an_object["is"]
-          );
-        auto substantive_obj_misc_tuple
-          = obj_im.obj_inline_markup_and_anchor_tags_and_misc(an_object, an_object_key, conf_make_meta, No._new_doc);
-        an_object["substantive"] = substantive_obj_misc_tuple[sObj.content];
-        anchor_tag = substantive_obj_misc_tuple[sObj.anchor_tag];
-        comp_obj_block                                 = comp_obj_block.init;
-        comp_obj_block.metainfo.is_of_part             = "body";
-        comp_obj_block.metainfo.is_of_section          = "body";
-        comp_obj_block.metainfo.is_of_type             = "block";
-        comp_obj_block.metainfo.is_a                   = "verse";
-        comp_obj_block.metainfo.ocn                    = obj_cite_digits.object_number;
-        comp_obj_block.metainfo.identifier             = obj_cite_digits.identifier;
-        comp_obj_block.metainfo.object_number_off      = obj_cite_digits.off;
-        comp_obj_block.metainfo.o_n_book_index         = obj_cite_digits.bkidx;
-        comp_obj_block.metainfo.object_number_type     = obj_cite_digits.type;
-        comp_obj_block.tags.html_segment_anchor_tag_is = tag_in_seg["seg_lv4"];
-        comp_obj_block.tags.epub_segment_anchor_tag_is = tag_in_seg["seg_lv1_to_4"];
-        comp_obj_block.text                            = an_object["substantive"];
-        comp_obj_block.has.inline_notes_reg            = substantive_obj_misc_tuple[sObj.notes_reg];
-        comp_obj_block.has.inline_notes_star           = substantive_obj_misc_tuple[sObj.notes_star];
-        comp_obj_block.has.inline_links                = substantive_obj_misc_tuple[sObj.links];
-        the_document_body_section                      ~= comp_obj_block;
-        tag_assoc                                      = an_object.inline_para_link_anchor(tag_in_seg, tag_assoc);
-        object_reset(an_object);
-        processing.remove("verse");
-        ++cntr;
-      }
-    }
-  }
-  return an_object;
-}
-#+END_SRC
-
-***** table block                                                 :table:
-
-there are 3 types of table markup that need to be nomalized (given a single representation) here
-
-- curly brace block
-- tic block
-- special notation block
-
-you need:
-- identify the type for the munging to create uniform presentation
-  - curly, tick, special
-  - table heading row, bool
-- present table header info in uniform way
-  - table_number_of_columns, int (count)
-  - table_column_widths, int[] column widths (as given or calculate average)
-  - show table walls, bool
-- table content marked up in uniform way
-
-#+name: abs_functions_block_table
-#+BEGIN_SRC d
-string[string] flow_txt_block_table(CMM)(
-             char[]          line,
-             string[string]  an_object,
-  return ref int[string]     obj_type_status,
-  return ref CMM             conf_make_meta,
-) {
-  static auto rgx = Rgx();
-  if (obj_type_status["curly_table"] == TriState.on) {
-    if (line.matchFirst(rgx.block_curly_table_close)) {
-      debug(table) {                           // table (curly) close
-        writeln(line);
-      }
-      obj_type_status["blocks"]      = TriState.closing;
-      obj_type_status["table"]       = TriState.closing;
-      obj_type_status["curly_table"] = TriState.off;
-    } else {
-      debug(table) {                           // table
-        writeln(line);
-      }
-      an_object[an_object_key] ~= line ~= "\n";           // build table array (or string)
-    }
-  } else if (obj_type_status["curly_table_special_markup"] == TriState.on) {
-    if (line.empty) {
-      obj_type_status["blocks"]                     = TriState.off;
-      obj_type_status["table"]                      = TriState.off;
-      obj_type_status["curly_table_special_markup"] = TriState.off;
-      line.flow_table_closed_make_special_notation_table_(
-        an_object,
-        the_document_body_section,
-        obj_cite_digits,
-        comp_obj_heading,
-        cntr,
-        obj_type_status,
-        conf_make_meta,
-      );
-    } else {
-      debug(table) {
-        writeln(line);
-      }
-      an_object[an_object_key] ~= line ~= "\n";
-    }
-  } else if (obj_type_status["tic_table"] == TriState.on) {
-    if (line.matchFirst(rgx.block_tic_close)) {
-      debug(table) {                           // table (tic) close
-        writeln(line);
-      }
-      obj_type_status["blocks"]    = TriState.closing;
-      obj_type_status["table"]     = TriState.closing;
-      obj_type_status["tic_table"] = TriState.off;
-    } else {
-      debug(table) {                           // table
-        writeln(line);
-      }
-      an_object[an_object_key] ~= line ~= "\n";           // build table array (or string)
-    }
-  }
-  return an_object;
-}
-#+END_SRC
-
-**** special table notation, make: table
-
-process and use an_object["table_head"] (then empty it)
-- present table header info in uniform way
-  - table_number_of_columns, int (count)
-  - table_column_widths, int[] column widths (as given or calculate average)
-  - show table walls, bool
-
-#+name: abs_functions_block_line_status_empty
-#+BEGIN_SRC d
-void flow_table_closed_make_special_notation_table_(N,CMM)(
-             char[]                line,
-  return ref string[string]        an_object,
-  return ref ObjGenericComposite[] the_document_body_section,
-  return ref N                     obj_cite_digits,
-  return ref ObjGenericComposite   _comp_obj_heading,
-  return ref int                   cntr,
-  return ref int[string]           obj_type_status,
-  CMM                              conf_make_meta
-) {
-  comp_obj_block = comp_obj_block.init;
-  obj_cite_digits = ocn_emit(obj_type_status["ocn_status"]);
-  auto comp_obj_location
-    = node_construct.node_location_emitter(
-      content_non_header,
-      tag_in_seg,
-      lev_anchor_tag,
-      tag_assoc,
-      obj_cite_digits,
-      cntr,
-      heading_ptr-1,
-      "table"
-    );
-  an_object["is"] = "table";
-  auto substantive_obj_misc_tuple
-    = obj_im.obj_inline_markup_and_anchor_tags_and_misc(an_object, "body_nugget", conf_make_meta, No._new_doc);
-  an_object["substantive"]                       = substantive_obj_misc_tuple[sObj.content];
-  comp_obj_block.metainfo.ocn                    = obj_cite_digits.object_number;
-  comp_obj_block.metainfo.identifier             = obj_cite_digits.identifier;
-  comp_obj_block.metainfo.object_number_off      = obj_cite_digits.off;
-  comp_obj_block.tags.html_segment_anchor_tag_is = tag_in_seg["seg_lv4"];
-  comp_obj_block.tags.epub_segment_anchor_tag_is = tag_in_seg["seg_lv1_to_4"];
-  comp_obj_block.metainfo.o_n_book_index         = obj_cite_digits.bkidx;
-  comp_obj_block.metainfo.object_number_type     = obj_cite_digits.type;
-  comp_obj_block                                 = comp_obj_block.flow_table_instructions(an_object["table_head"]);
-  comp_obj_block                                 = comp_obj_block.flow_table_substantive_munge_special(an_object["substantive"]);
-  the_document_body_section                      ~= comp_obj_block;
-  object_reset(an_object);
-  processing.remove("verse");
-  ++cntr;
-}
-#+END_SRC
-
-**** block end (close an open block): line empty, block flag _makes_ :close:
-
-***** { line empty, _make block_
-
-#+name: abs_functions_block_line_status_empty
-#+BEGIN_SRC d
-string[string] flow_block_flag_line_empty_(B,N,CMM,Ts)(
-             char[]                   line,
-             string[string]           an_object,
-             B                        bookindex_extract_hash,
-  return ref ObjGenericComposite[]    the_document_body_section,
-  return ref string[][string][string] bookindex_unordered_hashes,
-  return ref N                        obj_cite_digits,
-  return ref ObjGenericComposite      _comp_obj_heading,
-  return ref int                      cntr,
-  return ref int[string]              obj_type_status,
-  string[string]                      object_number_poem,
-  CMM                                 conf_make_meta,
-  Ts                                  tag_in_seg,
-) {
-  assert(
-    line.empty,
-    "\nline should be empty:\n  \""
-    ~ line ~ "\""
-  );
-  assert(
-    (obj_type_status["blocks"] == TriState.closing),
-    "code block status: closed"
-  );
-  assertions_flag_types_block_status_none_or_closed(obj_type_status);
-  static auto rgx = Rgx();
-#+END_SRC
-
-****** make: quote block
-
-#+name: abs_functions_block_line_status_empty
-#+BEGIN_SRC d
-  if (obj_type_status["quote"] == TriState.closing) {
-    obj_cite_digits = ocn_emit(obj_type_status["ocn_status"]);
-    an_object["bookindex_nugget"]
-      = ("bookindex_nugget" in an_object) ? an_object["bookindex_nugget"] : "";
-    bookindex_unordered_hashes
-      = bookindex_extract_hash.bookindex_nugget_hash(
-        an_object["bookindex_nugget"],
-        obj_cite_digits,
-        tag_in_seg
-      );
-    an_object["is"] = "quote";
-    auto comp_obj_location
-      = node_construct.node_location_emitter(
-        content_non_header,
-        tag_in_seg,
-        lev_anchor_tag,
-        tag_assoc,
-        obj_cite_digits,
-        cntr,
-        heading_ptr-1,
-        an_object["is"]
-      );
-    auto substantive_obj_misc_tuple
-      = obj_im.obj_inline_markup_and_anchor_tags_and_misc(an_object, an_object_key, conf_make_meta, No._new_doc);
-    an_object["substantive"] = substantive_obj_misc_tuple[sObj.content];
-    anchor_tag = substantive_obj_misc_tuple[sObj.anchor_tag];
-    comp_obj_block                                 = comp_obj_block.init;
-    comp_obj_block.metainfo.is_of_part             = "body";
-    comp_obj_block.metainfo.is_of_section          = "body";
-    comp_obj_block.metainfo.is_of_type             = "block";
-    comp_obj_block.metainfo.is_a                   = "quote";
-    comp_obj_block.metainfo.ocn                    = obj_cite_digits.object_number;
-    comp_obj_block.metainfo.identifier             = obj_cite_digits.identifier;
-    comp_obj_block.metainfo.object_number_off      = obj_cite_digits.off;
-    comp_obj_block.metainfo.o_n_book_index         = obj_cite_digits.bkidx;
-    comp_obj_block.metainfo.object_number_type     = obj_cite_digit_type;
-    comp_obj_block.metainfo.lang                   = an_object["lang"];
-    comp_obj_block.metainfo.attrib                 = an_object["attrib"];
-    comp_obj_block.tags.html_segment_anchor_tag_is = tag_in_seg["seg_lv4"];
-    comp_obj_block.tags.epub_segment_anchor_tag_is = tag_in_seg["seg_lv1_to_4"];
-    comp_obj_block.text                            = an_object["substantive"];
-    comp_obj_block.has.inline_notes_reg            = substantive_obj_misc_tuple[sObj.notes_reg];
-    comp_obj_block.has.inline_notes_star           = substantive_obj_misc_tuple[sObj.notes_star];
-    comp_obj_block.has.inline_links                = substantive_obj_misc_tuple[sObj.links];
-    the_document_body_section                      ~= comp_obj_block;
-    tag_assoc                                      = an_object.inline_para_link_anchor(tag_in_seg, tag_assoc);
-    obj_type_status["blocks"]                      = TriState.off;
-    obj_type_status["quote"]                       = TriState.off;
-    object_reset(an_object);
-    processing.remove("verse");
-    ++cntr;
-#+END_SRC
-
-****** make: group block
-
-#+name: abs_functions_block_line_status_empty
-#+BEGIN_SRC d
-  } else if (obj_type_status["group"] == TriState.closing) {
-    obj_cite_digits = ocn_emit(obj_type_status["ocn_status"]);
-    an_object["bookindex_nugget"]
-      = ("bookindex_nugget" in an_object) ? an_object["bookindex_nugget"] : "";
-    bookindex_unordered_hashes
-      = bookindex_extract_hash.bookindex_nugget_hash(
-        an_object["bookindex_nugget"],
-        obj_cite_digits,
-        tag_in_seg
-      );
-    an_object["is"] = "group";
-    auto comp_obj_location
-      = node_construct.node_location_emitter(
-        content_non_header,
-        tag_in_seg,
-        lev_anchor_tag,
-        tag_assoc,
-        obj_cite_digits,
-        cntr,
-        heading_ptr-1,
-        an_object["is"]
-      );
-    auto substantive_obj_misc_tuple
-      = obj_im.obj_inline_markup_and_anchor_tags_and_misc(an_object, an_object_key, conf_make_meta, No._new_doc);
-    an_object["substantive"] = substantive_obj_misc_tuple[sObj.content];
-    anchor_tag = substantive_obj_misc_tuple[sObj.anchor_tag];
-    comp_obj_block                                 = comp_obj_block.init;
-    comp_obj_block.metainfo.is_of_part             = "body";
-    comp_obj_block.metainfo.is_of_section          = "body";
-    comp_obj_block.metainfo.is_of_type             = "block";
-    comp_obj_block.metainfo.is_a                   = "group";
-    comp_obj_block.metainfo.ocn                    = obj_cite_digits.object_number;
-    comp_obj_block.metainfo.identifier             = obj_cite_digits.identifier;
-    comp_obj_block.metainfo.object_number_off      = obj_cite_digits.off;
-    comp_obj_block.metainfo.o_n_book_index         = obj_cite_digits.bkidx;
-    comp_obj_block.metainfo.object_number_type     = obj_cite_digits.type;
-    comp_obj_block.metainfo.lang                   = an_object["lang"];
-    comp_obj_block.metainfo.attrib                 = an_object["attrib"];
-    comp_obj_block.tags.html_segment_anchor_tag_is = tag_in_seg["seg_lv4"];
-    comp_obj_block.tags.epub_segment_anchor_tag_is = tag_in_seg["seg_lv1_to_4"];
-    comp_obj_block.text                            = an_object["substantive"];
-    comp_obj_block.has.inline_notes_reg            = substantive_obj_misc_tuple[sObj.notes_reg];
-    comp_obj_block.has.inline_notes_star           = substantive_obj_misc_tuple[sObj.notes_star];
-    comp_obj_block.has.inline_links                = substantive_obj_misc_tuple[sObj.links];
-    the_document_body_section                      ~= comp_obj_block;
-    tag_assoc                                      = an_object.inline_para_link_anchor(tag_in_seg, tag_assoc);
-    obj_type_status["blocks"]                      = TriState.off;
-    obj_type_status["group"]                       = TriState.off;
-    object_reset(an_object);
-    processing.remove("verse");
-    ++cntr;
-#+END_SRC
-
-****** make: block
-
-#+name: abs_functions_block_line_status_empty
-#+BEGIN_SRC d
-  } else if (obj_type_status["block"] == TriState.closing) {
-    obj_cite_digits = ocn_emit(obj_type_status["ocn_status"]);
-    an_object["bookindex_nugget"]
-      = ("bookindex_nugget" in an_object) ? an_object["bookindex_nugget"] : "";
-    bookindex_unordered_hashes
-      = bookindex_extract_hash.bookindex_nugget_hash(
-        an_object["bookindex_nugget"],
-        obj_cite_digits,
-        tag_in_seg
-      );
-    an_object["is"] = "block";
-    auto comp_obj_location
-      = node_construct.node_location_emitter(
-        content_non_header,
-        tag_in_seg,
-        lev_anchor_tag,
-        tag_assoc,
-        obj_cite_digits,
-        cntr,
-        heading_ptr-1,
-        an_object["is"]
-      );
-    auto substantive_obj_misc_tuple
-      = obj_im.obj_inline_markup_and_anchor_tags_and_misc(an_object, an_object_key, conf_make_meta, No._new_doc);
-    an_object["substantive"]                       = substantive_obj_misc_tuple[sObj.content];
-    // anchor_tag                                  = substantive_obj_misc_tuple[sObj.anchor_tag];
-    comp_obj_block                                 = comp_obj_block.init;
-    comp_obj_block.metainfo.is_of_part             = "body";
-    comp_obj_block.metainfo.is_of_section          = "body";
-    comp_obj_block.metainfo.is_of_type             = "block";
-    comp_obj_block.metainfo.is_a                   = "block";
-    comp_obj_block.metainfo.ocn                    = obj_cite_digits.object_number;
-    comp_obj_block.metainfo.identifier             = obj_cite_digits.identifier;
-    comp_obj_block.metainfo.object_number_off      = obj_cite_digits.off;
-    comp_obj_block.metainfo.o_n_book_index         = obj_cite_digits.bkidx;
-    comp_obj_block.metainfo.object_number_type     = obj_cite_digit_type;
-    comp_obj_block.metainfo.lang                   = an_object["lang"];
-    comp_obj_block.metainfo.attrib                 = an_object["attrib"];
-    comp_obj_block.tags.html_segment_anchor_tag_is = tag_in_seg["seg_lv4"];
-    comp_obj_block.tags.epub_segment_anchor_tag_is = tag_in_seg["seg_lv1_to_4"];
-    comp_obj_block.text                            = an_object["substantive"];
-    comp_obj_block.has.inline_notes_reg            = substantive_obj_misc_tuple[sObj.notes_reg];
-    comp_obj_block.has.inline_notes_star           = substantive_obj_misc_tuple[sObj.notes_star];
-    comp_obj_block.has.inline_links                = substantive_obj_misc_tuple[sObj.links];
-    the_document_body_section                      ~= comp_obj_block;
-    obj_type_status["blocks"]                      = TriState.off;
-    obj_type_status["block"]                       = TriState.off;
-    object_reset(an_object);
-    processing.remove("verse");
-    ++cntr;
-#+END_SRC
-
-****** make: poem
-
-#+name: abs_functions_block_line_status_empty
-#+BEGIN_SRC d
-  } else if (obj_type_status["poem"] == TriState.closing) {
-    an_object["bookindex_nugget"]
-      = ("bookindex_nugget" in an_object) ? an_object["bookindex_nugget"] : "";
-    bookindex_unordered_hashes
-      = bookindex_extract_hash.bookindex_nugget_hash(
-        an_object["bookindex_nugget"],
-        obj_cite_digits,
-        tag_in_seg
-      );
-    an_object["is"]                           = "verse";
-    auto comp_obj_location
-      = node_construct.node_location_emitter(
-        content_non_header,
-        tag_in_seg,
-        lev_anchor_tag,
-        tag_assoc,
-        obj_cite_digits,
-        cntr,
-        heading_ptr-1,
-        an_object["is"]
-      );
-    comp_obj_poem_ocn                               = comp_obj_poem_ocn.init;
-    comp_obj_poem_ocn.metainfo.is_of_part           = "body";
-    comp_obj_poem_ocn.metainfo.is_of_section        = "body";
-    comp_obj_poem_ocn.metainfo.is_of_type           = "block";
-    comp_obj_poem_ocn.metainfo.is_a                 = "poem";
-    comp_obj_poem_ocn.metainfo.ocn                  = obj_cite_digits.object_number;
-    comp_obj_poem_ocn.metainfo.identifier           = obj_cite_digits.identifier;
-    comp_obj_poem_ocn.metainfo.object_number_off    = obj_cite_digits.off;
-    comp_obj_poem_ocn.metainfo.o_n_book_index       = obj_cite_digits.bkidx;
-    comp_obj_poem_ocn.metainfo.object_number_type   = obj_cite_digits.type;
-    comp_obj_poem_ocn.text                          = "";
-    the_document_body_section                       ~= comp_obj_poem_ocn;
-    obj_type_status["blocks"]                       = TriState.off;
-    obj_type_status["poem"]                         = TriState.off;
-    object_reset(an_object);
-    processing.remove("verse");
-#+END_SRC
-
-****** make: code block
-
-#+name: abs_functions_block_line_status_empty
-#+BEGIN_SRC d
-  } else if (obj_type_status["code"] == TriState.closing) {
-    obj_cite_digits = ocn_emit(obj_type_status["ocn_status"]);
-    an_object["bookindex_nugget"]
-      = ("bookindex_nugget" in an_object) ? an_object["bookindex_nugget"] : "";
-    bookindex_unordered_hashes
-      = bookindex_extract_hash.bookindex_nugget_hash(
-        an_object["bookindex_nugget"],
-        obj_cite_digits,
-        tag_in_seg
-      );
-    an_object["is"] = "code";
-    auto comp_obj_location
-      = node_construct.node_location_emitter(
-        content_non_header,
-        tag_in_seg,
-        lev_anchor_tag,
-        tag_assoc,
-        obj_cite_digits,
-        cntr,
-        heading_ptr-1,
-        an_object["is"]
-      );
-    auto substantive_obj_misc_tuple
-      = obj_im.obj_inline_markup_and_anchor_tags_and_misc(an_object, an_object_key, conf_make_meta, No._new_doc);
-    an_object["substantive"] = substantive_obj_misc_tuple[sObj.content];
-    anchor_tag = substantive_obj_misc_tuple[sObj.anchor_tag];
-    comp_obj_code                                 = comp_obj_code.init;
-    comp_obj_code.metainfo.is_of_part             = "body";
-    comp_obj_code.metainfo.is_of_section          = "body";
-    comp_obj_code.metainfo.is_of_type             = "block";
-    comp_obj_code.metainfo.is_a                   = "code";
-    comp_obj_code.metainfo.ocn                    = obj_cite_digits.object_number;
-    comp_obj_code.metainfo.identifier             = obj_cite_digits.identifier;
-    comp_obj_code.metainfo.object_number_off      = obj_cite_digits.off;
-    comp_obj_code.metainfo.o_n_book_index         = obj_cite_digits.bkidx;
-    comp_obj_code.metainfo.object_number_type     = obj_cite_digits.type;
-    comp_obj_code.metainfo.syntax                 = an_object["syntax"];
-    comp_obj_code.metainfo.attrib                 = an_object["attrib"];
-    comp_obj_code.code_block.linenumbers          = (an_object["attrib"].match(rgx.code_numbering)) ? true : false;
-    comp_obj_code.tags.html_segment_anchor_tag_is = tag_in_seg["seg_lv4"];
-    comp_obj_code.tags.epub_segment_anchor_tag_is = tag_in_seg["seg_lv1_to_4"];
-    comp_obj_code.text                            = an_object["substantive"];
-    comp_obj_code.has.inline_notes_reg            = substantive_obj_misc_tuple[sObj.notes_reg];
-    comp_obj_code.has.inline_notes_star           = substantive_obj_misc_tuple[sObj.notes_star];
-    comp_obj_code.has.inline_links                = substantive_obj_misc_tuple[sObj.links];
-    the_document_body_section                     ~= comp_obj_code;
-    obj_type_status["blocks"]                     = TriState.off;
-    obj_type_status["code"]                       = TriState.off;
-    object_reset(an_object);
-    processing.remove("verse");
-    ++cntr;
-#+END_SRC
-
-****** make: table
-
-#+name: abs_functions_block_line_status_empty
-#+BEGIN_SRC d
-  } else if (obj_type_status["table"] == TriState.closing) {
-    comp_obj_block = comp_obj_block.init;
-    obj_cite_digits = ocn_emit(obj_type_status["ocn_status"]);
-    an_object["bookindex_nugget"]
-      = ("bookindex_nugget" in an_object) ? an_object["bookindex_nugget"] : "";
-    bookindex_unordered_hashes
-      = bookindex_extract_hash.bookindex_nugget_hash(
-        an_object["bookindex_nugget"],
-        obj_cite_digits,
-        tag_in_seg
-      );
-    an_object["is"] = "table";
-    auto comp_obj_location
-      = node_construct.node_location_emitter(
-        content_non_header,
-        tag_in_seg,
-        lev_anchor_tag,
-        tag_assoc,
-        obj_cite_digits,
-        cntr,
-        heading_ptr-1,
-        an_object["is"]
-      );
-    auto substantive_obj_misc_tuple
-      = obj_im.obj_inline_markup_and_anchor_tags_and_misc(an_object, an_object_key, conf_make_meta, No._new_doc);
-    an_object["substantive"]                       = substantive_obj_misc_tuple[sObj.content];
-    comp_obj_block                                 = comp_obj_block.init;
-    comp_obj_block.metainfo.ocn                    = obj_cite_digits.object_number;
-    comp_obj_block.metainfo.identifier             = obj_cite_digits.identifier;
-    comp_obj_block.metainfo.object_number_off      = obj_cite_digits.off;
-    comp_obj_block.tags.html_segment_anchor_tag_is = tag_in_seg["seg_lv4"];
-    comp_obj_block.tags.epub_segment_anchor_tag_is = tag_in_seg["seg_lv1_to_4"];
-    comp_obj_block.metainfo.o_n_book_index         = obj_cite_digits.bkidx;
-    comp_obj_block.metainfo.object_number_type     = obj_cite_digits.type;
-    comp_obj_block                                 = comp_obj_block.flow_table_instructions(an_object["table_head"]);
-    comp_obj_block                                 = comp_obj_block.flow_table_substantive_munge(an_object["substantive"]);
-    the_document_body_section                      ~= comp_obj_block;
-    obj_type_status["blocks"]                      = TriState.off;
-    obj_type_status["table"]                       = TriState.off;
-    object_reset(an_object);
-    processing.remove("verse");
-    ++cntr;
-  }
-#+END_SRC
-
-***** }
-
-#+name: abs_functions_block_line_status_empty
-#+BEGIN_SRC d
-  return an_object;
-}
-#+END_SRC
-
-*** book index                                                  :bookindex:
-
-#+name: abs_functions_book_index
-#+BEGIN_SRC d
-string[string] flow_book_index_(B)(
-             char[]          line,
-             string[string]  an_object,
-  return ref string          book_idx_tmp,
-  return ref int[string]     obj_type_status,
-             B               opt_action,
-) {
-  static auto rgx = Rgx();
-  if (auto m = line.match(rgx.book_index)) {                                   /+ match book_index +/
-    debug(bookindexmatch) {
-      writefln(
-        "* [bookindex] %s\n",
-        m["bookindex"].to!string,
-      );
-    }
-    an_object["bookindex_nugget"] = m.captures[1].to!string;
-  } else if (auto m = line.match(rgx.book_index_open))  {                      /+ match open book_index +/
-    obj_type_status["book_index"] = State.on;
-    if (opt_action.backmatter && opt_action.section_bookindex) {
-      book_idx_tmp = m.captures[1].to!string;
-      debug(bookindexmatch) {
-        writefln(
-          "* [bookindex] %s\n",
-          book_idx_tmp,
-        );
-      }
-    }
-  } else if (obj_type_status["book_index"] == State.on )  {                    /+ book_index flag set +/
-    if (auto m = line.match(rgx.book_index_close))  {
-      obj_type_status["book_index"] = State.off;
-      if (opt_action.backmatter
-      && opt_action.section_bookindex) {
-        an_object["bookindex_nugget"] = book_idx_tmp ~ m.captures[1].to!string;
-        debug(bookindexmatch) {
-          writefln(
-            "* [bookindex] %s\n",
-            book_idx_tmp,
-          );
-        }
-      }
-      book_idx_tmp = "";
-    } else {
-      if (opt_action.backmatter
-      && opt_action.section_bookindex) {
-        book_idx_tmp ~= line;
-      }
-    }
-  }
-  return an_object;
-}
-#+END_SRC
-
-*** heading or paragraph                                :heading:paragraph:
-**** heading found                                               :heading:
-
-#+name: abs_functions_heading
-#+BEGIN_SRC d
-string[string] flow_heading_found_()(
-             char[]                line,
-             string[string]        heading_match_str,
-             string[]              _make_unmarked_headings,
-  return ref Regex!(char)[string]  heading_match_rgx,
-  return ref int[string]           obj_type_status
-) {
-  static auto rgx = Rgx();
-  if ((_make_unmarked_headings.length > 2)
-  && (obj_type_status["make_headings"] == State.off)) {                        /+ headings found +/
-    debug(headingsfound) {
-      writeln(_make_unmarked_headings);
-    }
-    debug(headingsfound) {
-      writeln(_make_unmarked_headings.length);
-      writeln(_make_unmarked_headings);
-    }
-    switch (_make_unmarked_headings.length) {
-    case 7 :
-      if (!empty(_make_unmarked_headings[6])) {
-        heading_match_str["h_4"]
-          = "^(" ~ _make_unmarked_headings[6].to!string ~ ")";
-        heading_match_rgx["h_4"]
-          = regex(heading_match_str["h_4"]);
-      }
-      goto case;
-    case 6 :
-      if (!empty(_make_unmarked_headings[5])) {
-        heading_match_str["h_3"]
-          = "^(" ~ _make_unmarked_headings[5].to!string ~ ")";
-        heading_match_rgx["h_3"]
-          = regex(heading_match_str["h_3"]);
-      }
-      goto case;
-    case 5 :
-      if (!empty(_make_unmarked_headings[4])) {
-        heading_match_str["h_2"]
-          = "^(" ~ _make_unmarked_headings[4].to!string ~ ")";
-        heading_match_rgx["h_2"]
-          = regex(heading_match_str["h_2"]);
-      }
-      goto case;
-    case 4 :
-      if (!empty(_make_unmarked_headings[3])) {
-        heading_match_str["h_1"]
-          = "^(" ~ _make_unmarked_headings[3].to!string ~ ")";
-        heading_match_rgx["h_1"]
-          = regex(heading_match_str["h_1"]);
-      }
-      goto case;
-    case 3 :
-      if (!empty(_make_unmarked_headings[2])) {
-        heading_match_str["h_D"]
-          = "^(" ~ _make_unmarked_headings[2].to!string ~ ")";
-        heading_match_rgx["h_D"]
-          = regex(heading_match_str["h_D"]);
-      }
-      goto case;
-    case 2 :
-      if (!empty(_make_unmarked_headings[1])) {
-        heading_match_str["h_C"]
-          = "^(" ~ _make_unmarked_headings[1].to!string ~ ")";
-        heading_match_rgx["h_C"]
-          = regex(heading_match_str["h_C"]);
-      }
-      goto case;
-    case 1 :
-      if (!empty(_make_unmarked_headings[0])) {
-        heading_match_str["h_B"]
-          = "^(" ~ _make_unmarked_headings[0].to!string ~ ")";
-        heading_match_rgx["h_B"]
-          = regex(heading_match_str["h_B"]);
-      }
-      break;
-    default:
-      break;
-    }
-    obj_type_status["make_headings"] = State.on;
-  }
-  return heading_match_str;
-}
-#+END_SRC
-
-**** heading make set                                            :heading:
-
-#+name: abs_functions_heading
-#+BEGIN_SRC d
-char[] flow_heading_make_set_()(
-             char[]                line,
-             int[string]           line_occur,
-  return ref Regex!(char)[string]  heading_match_rgx,
-  return ref int[string]           obj_type_status
-) {
-  if ((obj_type_status["make_headings"] == State.on)
-  && ((line_occur["para"] == State.off)
-  && (line_occur["heading"] == State.off))
-  && ((obj_type_status["para"] == State.off)
-  && (obj_type_status["heading"] == State.off))) {                             /+ heading make set +/
-    if (line.matchFirst(heading_match_rgx["h_B"])) {
-      line = "B~ " ~ line;
-      debug(headingsfound) {
-        writeln(line);
-      }
-    }
-    if (line.matchFirst(heading_match_rgx["h_C"])) {
-      line = "C~ " ~ line;
-      debug(headingsfound) {
-        writeln(line);
-      }
-    }
-    if (line.matchFirst(heading_match_rgx["h_D"])) {
-      line = "D~ " ~ line;
-      debug(headingsfound) {
-        writeln(line);
-      }
-    }
-    if (line.matchFirst(heading_match_rgx["h_1"])) {
-      line = "1~ " ~ line;
-      debug(headingsfound) {
-        writeln(line);
-      }
-    }
-    if (line.matchFirst(heading_match_rgx["h_2"])) {
-      line = "2~ " ~ line;
-      debug(headingsfound) {
-        writeln(line);
-      }
-    }
-    if (line.matchFirst(heading_match_rgx["h_3"])) {
-      line = "3~ " ~ line;
-      debug(headingsfound) {
-        writeln(line);
-      }
-    }
-    if (line.matchFirst(heading_match_rgx["h_4"])) {
-      line = "4~ " ~ line;
-      debug(headingsfound) {
-        writeln(line);
-      }
-    }
-  }
-  return line;
-}
-#+END_SRC
-
-**** heading match                                               :heading:
-
-#+name: abs_functions_heading
-#+BEGIN_SRC d
-string[string] flow_heading_matched_(CMM)(
-             char[]          line,
-             string[string]  an_object,
-  return ref int[string]     line_occur,
-  return ref string          an_object_key,
-  return ref int[string]     lv,
-  return ref int[string]     collapsed_lev,
-  return ref int[string]     obj_type_status,
-  return ref CMM             conf_make_meta,
-) {
-  static auto rgx = Rgx();
-  if (auto m = line.match(rgx.heading)) {                                      /+ heading match +/
-    ++line_occur["heading"];
-    obj_type_status["heading"]            = State.on;
-    obj_type_status["para"]               = State.off;
-    if (line.match(rgx.heading_seg_and_above)) {
-      obj_type_status["glossary_section"] = State.off;
-      obj_type_status["biblio_section"]   = State.off;
-      obj_type_status["blurb_section"]    = State.off;
-    }
-    an_object[an_object_key] ~= line ~= "\n";
-    an_object["lev"] ~= m.captures[1];
-    assertions_doc_structure(an_object, lv); // includes most of the logic for collapsed levels
-    switch (an_object["lev"]) {
-    case "A":                                // Title set
-      if (an_object[an_object_key].match(rgx.variable_doc_title)
-      && an_object[an_object_key].match(rgx.variable_doc_author)) {
-        an_object[an_object_key] = an_object[an_object_key]
-          .replaceFirst(rgx.variable_doc_title,
-            (conf_make_meta.meta.title_full ~ ", "))
-          .replaceFirst(rgx.variable_doc_author,
-            conf_make_meta.meta.creator_author);
-      } else if (an_object[an_object_key].match(rgx.variable_doc_title)) {
-        an_object[an_object_key] = an_object[an_object_key]
-          .replaceFirst(rgx.variable_doc_title,
-            conf_make_meta.meta.title_full);
-      }
-      collapsed_lev["h0"] = 0;
-      an_object["lev_collapsed_number"]
-        = collapsed_lev["h0"].to!string;
-      lv["lv"] = DocStructMarkupHeading.h_sect_A;
-      ++lv["h0"];
-      lv["h1"] = State.off;
-      lv["h2"] = State.off;
-      lv["h3"] = State.off;
-      lv["h4"] = State.off;
-      lv["h5"] = State.off;
-      lv["h6"] = State.off;
-      lv["h7"] = State.off;
-      goto default;
-    case "B":
-      collapsed_lev["h1"] = collapsed_lev["h0"] + 1;
-      an_object["lev_collapsed_number"]
-        = collapsed_lev["h1"].to!string;
-      lv["lv"] = DocStructMarkupHeading.h_sect_B;
-      ++lv["h1"];
-      lv["h2"] = State.off;
-      lv["h3"] = State.off;
-      lv["h4"] = State.off;
-      lv["h5"] = State.off;
-      lv["h6"] = State.off;
-      lv["h7"] = State.off;
-      goto default;
-    case "C":
-      collapsed_lev["h2"] = collapsed_lev["h1"] + 1;
-      an_object["lev_collapsed_number"]
-        = collapsed_lev["h2"].to!string;
-      lv["lv"] = DocStructMarkupHeading.h_sect_C;
-      ++lv["h2"];
-      lv["h3"] = State.off;
-      lv["h4"] = State.off;
-      lv["h5"] = State.off;
-      lv["h6"] = State.off;
-      lv["h7"] = State.off;
-      goto default;
-    case "D":
-      collapsed_lev["h3"] = collapsed_lev["h2"] + 1;
-      an_object["lev_collapsed_number"]
-        = collapsed_lev["h3"].to!string;
-      lv["lv"] = DocStructMarkupHeading.h_sect_D;
-      ++lv["h3"];
-      lv["h4"] = State.off;
-      lv["h5"] = State.off;
-      lv["h6"] = State.off;
-      lv["h7"] = State.off;
-      goto default;
-    case "1":
-      if (lv["h3"] > State.off) {
-        collapsed_lev["h4"] = collapsed_lev["h3"] + 1;
-      } else if (lv["h2"] > State.off) {
-        collapsed_lev["h4"] = collapsed_lev["h2"] + 1;
-      } else if (lv["h1"] > State.off) {
-        collapsed_lev["h4"] = collapsed_lev["h1"] + 1;
-      } else if (lv["h0"] > State.off) {
-        collapsed_lev["h4"] = collapsed_lev["h0"] + 1;
-      }
-      an_object["lev_collapsed_number"]
-        = collapsed_lev["h4"].to!string;
-      lv["lv"] = DocStructMarkupHeading.h_text_1;
-      ++lv["h4"];
-      lv["h5"] = State.off;
-      lv["h6"] = State.off;
-      lv["h7"] = State.off;
-      goto default;
-    case "2":
-      if (lv["h5"] > State.off) {
-        an_object["lev_collapsed_number"]
-          = collapsed_lev["h5"].to!string;
-      } else if (lv["h4"] > State.off) {
-        collapsed_lev["h5"] = collapsed_lev["h4"] + 1;
-        an_object["lev_collapsed_number"]
-          = collapsed_lev["h5"].to!string;
-      }
-      lv["lv"] = DocStructMarkupHeading.h_text_2;
-      ++lv["h5"];
-      lv["h6"] = State.off;
-      lv["h7"] = State.off;
-      goto default;
-    case "3":
-      if (lv["h6"] > State.off) {
-        an_object["lev_collapsed_number"]
-          = collapsed_lev["h6"].to!string;
-      } else if (lv["h5"] > State.off) {
-        collapsed_lev["h6"] = collapsed_lev["h5"] + 1;
-        an_object["lev_collapsed_number"]
-          = collapsed_lev["h6"].to!string;
-      }
-      lv["lv"] = DocStructMarkupHeading.h_text_3;
-      ++lv["h6"];
-      lv["h7"] = State.off;
-      goto default;
-    case "4":
-      if (lv["h7"] > State.off) {
-        an_object["lev_collapsed_number"]
-          = collapsed_lev["h7"].to!string;
-      } else if (lv["h6"] > State.off) {
-        collapsed_lev["h7"] = collapsed_lev["h6"] + 1;
-        an_object["lev_collapsed_number"]
-          = collapsed_lev["h7"].to!string;
-      }
-      lv["lv"] = DocStructMarkupHeading.h_text_4;
-      ++lv["h7"];
-      goto default;
-    default:
-      an_object["lev_markup_number"] = lv["lv"].to!string;
-    }
-    an_object["dummy_heading_status"] = (obj_type_status["dummy_heading_status"] == State.off) ? "f" : "t";
-    debug(heading) {
-      writeln(line.strip);
-    }
-  }
-  return an_object;
-}
-#+END_SRC
-
-**** para match                                                     :para:
-
-#+name: abs_functions_para
-#+BEGIN_SRC d
-string[string] flow_para_match_()(
-             char[]         line,
-             string[string]  an_object,
-  return ref string          an_object_key,
-  return ref int[string]     indent,
-  return ref bool            bullet,
-  return ref int[string]     obj_type_status,
-  return ref int[string]     line_occur,
-) {
-  static auto rgx = Rgx();
-  if (line_occur["para"] == State.off) {
-    line = font_faces_line(line);
-    /+ para matches +/
-    obj_type_status["para"] = State.on;
-    an_object[an_object_key] ~= line;
-    indent=[
-      "hang_position" : 0,
-      "base_position" : 0,
-    ];
-    bullet = false;
-    if (auto m = line.matchFirst(rgx.para_indent)) {
-      debug(paraindent) {
-        writeln(line);
-      }
-      indent["hang_position"] = (m["indent"]).to!int;
-      indent["base_position"] = (m["indent"]).to!int;
-    } else if (line.matchFirst(rgx.para_bullet)) {
-      debug(parabullet) {
-        writeln(line);
-      }
-      bullet = true;
-    } else if (auto m = line.matchFirst(rgx.para_indent_hang)) {
-      debug(paraindenthang) {
-        writeln(line);
-      }
-      indent = [
-        "hang_position" : (m["hang"]).to!int,
-        "base_position" : (m["indent"]).to!int,
-      ];
-    } else if (auto m = line.matchFirst(rgx.para_bullet_indent)) {
-      debug(parabulletindent) {
-        writeln(line);
-      }
-      indent = [
-        "hang_position" : (m["indent"]).to!int,
-        "base_position" : (m["indent"]).to!int,
-      ];
-      bullet = true;
-    }
-    ++line_occur["para"];
-  }
-  return an_object;
-}
-#+END_SRC
-
-**** text font face
-
-#+name: abs_functions_para
-#+BEGIN_SRC d
-char[] font_faces_line()(
-  char[]  textline,
-) {
-  static auto rgx = Rgx();
-  static auto mkup = InlineMarkup();
-  if (textline.match(rgx.inline_faces_line)) {
-    textline = textline
-      .replaceFirst(rgx.inline_emphasis_line,   format(q"┃%s%s%s%s%s%s┃", mkup.emph,       mkup.ff_o, "$1", mkup.ff_c, mkup.emph, "$2"))
-      .replaceFirst(rgx.inline_bold_line,       format(q"┃%s%s%s%s%s%s┃", mkup.bold,       mkup.ff_o, "$1", mkup.ff_c, mkup.bold, "$2"))
-      .replaceFirst(rgx.inline_underscore_line, format(q"┃%s%s%s%s%s%s┃", mkup.underscore, mkup.ff_o, "$1", mkup.ff_c, mkup.underscore, "$2"))
-      .replaceFirst(rgx.inline_italics_line,    format(q"┃%s%s%s%s%s%s┃", mkup.italic,     mkup.ff_o, "$1", mkup.ff_c, mkup.italic, "$2"));
-  }
-  return textline;
-}
-#+END_SRC
-
-**** tables
-
-- number of columns
-- column widths (either as given or uniform, first often different from rest)
-- column aligns (as given else default left for text, check whether can default right for digits)
-- table heading (auto align left)
-- table walls
-- TODO need to be able to align columns left or right (digits)
-
-***** table instructions
-
-#+name: abs_functions_table
-#+BEGIN_SRC d
-ObjGenericComposite flow_table_instructions(H)(
-  return ref ObjGenericComposite  table_object,
-             H                    table_head,
-) {
-  static auto rgx = Rgx();
-  table_object.metainfo.is_of_part      = "body";
-  table_object.metainfo.is_of_section   = "body";
-  table_object.metainfo.is_of_type      = "block";
-  table_object.metainfo.is_a            = "table";
-  table_object.has.inline_notes_reg     = false;
-  table_object.has.inline_notes_star    = false;
-  table_object.has.inline_links         = false;
-  if (auto m = table_head.matchFirst(rgx.table_head_instructions)) {
-    table_object.table.heading
-      = ((m["c_heading"].length > 0) && (m["c_heading"] == "h")) ? true : false;
-    table_object.table.number_of_columns
-      = ((m["c_num"].length > 0) && (m["c_num"].to!int > 0)) ? m["c_num"].to!int : 0;
-    foreach (cw; m["c_widths"].matchAll(rgx.table_col_widths)) {
-      auto x = cw.hit.matchFirst(rgx.table_col_widths_and_alignment);
-      table_object.table.column_widths ~= x["width"].to!int;
-      table_object.table.column_aligns ~= (x["align"].empty) ? "" : x["align"];
-    }
-  }
-  return table_object;
-}
-#+END_SRC
-
-***** table array munge
-
-#+name: abs_functions_table
-#+BEGIN_SRC d
-ObjGenericComposite flow_table_array_munge(T)(
-  return ref ObjGenericComposite  table_object,
-  return ref T                    table_array,
-) {
-  static auto rgx = Rgx();
-  static auto mng = InlineMarkup();
-  string _table_substantive;
-  ulong col_num;
-  ulong col_num_;
-  ulong col_num_chk = 0;
-  foreach(idx_r, row; table_array) {
-    debug(table_dev) {
-      writeln("row ", idx_r);
-    }
-    col_num_ = 0;
-    if (col_num == 0
-    || col_num < row.length) {
-      col_num = row.length;
-    }
-    if (col_num_chk == 0) {
-      col_num_chk = col_num;
-    } else if (col_num == 1) {
-      debug(table_dev) {
-        writeln("table note: ");
-      }
-    } else if (col_num_chk != col_num) {
-      debug(table_dev) {
-        writeln("warning irregular number of columns: ", col_num_chk, " != ", col_num);
-      }
-    } else {
-    }
-    foreach(idx_c, col; row) {
-      debug(table_dev) {
-        write(idx_c, ", ");
-      }
-      col_num_ = idx_c;
-      _table_substantive ~= col ~ mng.tc_s;
-      if (idx_r == 0 && comp_obj_block.table.heading) {
-      } else if (col.match(rgx.numeric_col) && idx_r == 1) { // conditions reversed to avoid: gdc compiled program run segfault
-        if ((comp_obj_block.table.column_aligns.length > idx_c)
-        && (comp_obj_block.table.column_aligns[idx_c].matchFirst(rgx.table_col_align_match))) {
-          comp_obj_block.table.column_aligns[idx_c]
-            = comp_obj_block.table.column_aligns[idx_c];
-        } else if (comp_obj_block.table.column_aligns.length > idx_c) {
-          comp_obj_block.table.column_aligns[idx_c] = "r";
-        } else {
-          comp_obj_block.table.column_aligns ~= "r";
-        }
-      } else if (idx_r == 1) {
-        if ((comp_obj_block.table.column_aligns.length > idx_c)
-        && (comp_obj_block.table.column_aligns[idx_c].matchFirst(rgx.table_col_align_match))) {
-          comp_obj_block.table.column_aligns[idx_c]
-            = comp_obj_block.table.column_aligns[idx_c];
-        } else if (comp_obj_block.table.column_aligns.length > idx_c) {
-          comp_obj_block.table.column_aligns[idx_c] = "l";
-        } else {
-          comp_obj_block.table.column_aligns ~= "l";
-        }
-      }
-    }
-    debug(table_dev) {
-      writeln("");
-    }
-    if (col_num_chk > 0 && (col_num != col_num_chk)) {
-    } else if (col_num == col_num_chk){
-    } else {
-      col_num_chk = col_num;
-    }
-    _table_substantive = _table_substantive.replaceFirst(rgx.table_col_separator_nl, "\n");
-  }
-  if (comp_obj_block.table.number_of_columns != col_num) {
-    if (comp_obj_block.table.number_of_columns == 0) {
-      comp_obj_block.table.number_of_columns = (col_num).to!int;
-    } else {
-      debug(table_dev) {
-        writeln(comp_obj_block.table.number_of_columns, " != ", col_num);
-      }
-    }
-  }
-  if (table_object.table.number_of_columns == 0
-  && table_object.table.column_widths.length > 0) {
-    writeln(__LINE__, " ERROR");
-  }
-  if (table_object.table.number_of_columns > 0
-  && table_object.table.column_widths.length == 0) {
-    double col_w = (100.00 / table_object.table.number_of_columns);
-    foreach (i; 0..table_object.table.number_of_columns) {
-      table_object.table.column_widths ~= col_w;
-    }
-  } else if (table_object.table.number_of_columns
-  != table_object.table.column_widths.length) {
-    debug(table_dev) {
-      writeln(m.hit); // further logic required
-    }
-    if (table_object.table.number_of_columns > table_object.table.column_widths.length) {
-      double col_w = (100.00 - (table_object.table.column_widths).sum)
-        / (table_object.table.number_of_columns - table_object.table.column_widths.length);
-      foreach (i; 0..table_object.table.column_widths.length) {
-        table_object.table.column_widths ~= col_w;
-      }
-      foreach (i; 0..(table_object.table.number_of_columns - table_object.table.column_widths.length)) {
-        table_object.table.column_widths ~= col_w;
-      }
-    } else if (table_object.table.number_of_columns < table_object.table.column_widths.length) {
-      writeln(__LINE__, " warning, ERROR");
-    }
-  }
-  if (table_object.table.column_widths.sum > 101
-  || table_object.table.column_widths.sum < 95 ) {
-    writeln("sum: ", table_object.table.column_widths.sum,
-      ", array: ", table_object.table.column_widths,
-      ", cols: ", table_object.table.number_of_columns);
-    writeln(_table_substantive);
-  }
-  debug(table_res) {
-    writeln("aligns: ", comp_obj_block.table.column_aligns, "\n",
-      "no. of columns: ", comp_obj_block.table.number_of_columns, "\n",
-      "col widths: ", comp_obj_block.table.column_widths,
-        " sum: ", comp_obj_block.table.column_widths.sum, "\n",
-      _table_substantive);
-  }
-  comp_obj_block.text = _table_substantive;
-  return table_object;
-}
-#+END_SRC
-
-***** table substantive munge
-
-#+name: abs_functions_table
-#+BEGIN_SRC d
-ObjGenericComposite flow_table_substantive_munge(T)(
-  return ref ObjGenericComposite  table_object,
-  return ref T                    table_substantive,
-) {
-  static auto rgx = Rgx();
-  static auto munge = ObjInlineMarkupMunge();
-  string[] _table_rows = (table_substantive).split(rgx.table_row_delimiter);
-  string[] _table_cols;
-  string[][] _table;
-  foreach(col; _table_rows) {
-    _table_cols = col.split(rgx.table_col_delimiter);
-    _table ~= _table_cols;
-  }
-  table_object = table_object.flow_table_array_munge(_table);
-  return table_object;
-}
-#+END_SRC
-
-***** table substantive munge special
-
-#+name: abs_functions_table
-#+BEGIN_SRC d
-ObjGenericComposite flow_table_substantive_munge_special(T)(
-  return ref ObjGenericComposite  table_object,
-  return ref T                    table_substantive,
-) {
-  static auto rgx = Rgx();
-  static auto munge = ObjInlineMarkupMunge();
-  string[] _table_rows = (table_substantive).split(rgx.table_row_delimiter_special);
-  string[] _table_cols;
-  string[][] _table;
-  foreach(col; _table_rows) {
-    _table_cols = col.split(rgx.table_col_delimiter_special);
-    _table ~= _table_cols;
-  }
-  table_object = table_object.flow_table_array_munge(_table);
-  return table_object;
-}
-#+END_SRC
-
-*** function emitters                                            :emitters:
-**** object                                                       :object:
-***** ocn                                                           :ocn:
-
-#+name: meta_emitters_ocn
-#+BEGIN_SRC d
-pure struct OCNemitter {
-  int ocn_digit, ocn_object_number, ocn_on_, ocn_off_, ocn_bkidx, ocn_bkidx_;
-  string object_identifier;
-  bool ocn_is_off;
-  auto ocn_emitter(int ocn_status_flag) {
-    OCNset ocn;
-    assert(ocn_status_flag <= OCNstatus.reset);
-    ocn_object_number = ocn_bkidx = 0;
-    object_identifier = "";
-    ocn_is_off = false;
-    switch(ocn_status_flag) with (OCNstatus) {
-    case reset:
-      ocn_digit = ocn_on_ = 1;
-      object_identifier = "1";
-      ocn_is_off = false;
-      ocn_off_ = ocn_bkidx_ = 0;
-      break;
-    case on:
-      ocn_digit = ocn_object_number = ++ocn_on_;
-      object_identifier = ocn_digit.to!string;
-      ocn_is_off = false;
-      break;
-    case off:
-      ocn_digit = 0;
-      ocn_off_ = ++ocn_off_;
-      object_identifier = "a" ~ ocn_off_.to!string;
-      ocn_is_off = true;
-      break;
-    case bkidx:
-      ocn_bkidx = ++ocn_bkidx_;
-      break;
-    case closing:
-      break;
-    default:
-      ocn_digit = 0;
-    }
-    assert(ocn_digit >= 0);
-    ocn.digit         = ocn_digit;
-    ocn.object_number = ocn_object_number; // difference between .object_number and .digit?
-    ocn.identifier    = object_identifier;
-    ocn.off           = ocn_is_off;
-    ocn.bkidx         = ocn_bkidx;
-    ocn.type          = ocn_status_flag;
-    return ocn;
-  }
-  invariant() {
-  }
-}
-#+END_SRC
-
-***** object inline markup munge                          :markup:inline:
-
-****** { struct, inline markup munge
-
-#+name: meta_emitters_obj_inline_markup_munge
-#+BEGIN_SRC d
-static struct ObjInlineMarkupMunge {
-  string[string] obj_txt;
-  int n_foot, n_foot_reg, n_foot_sp_asterisk, n_foot_sp_plus;
-  string asterisks_, plus_;
-  string obj_txt_out, tail, note;
-  static auto rgx = Rgx();
-  static auto mkup = InlineMarkup();
-  int stage_reset_note_numbers = true;
-  private auto initialize_note_numbers() {
-    n_foot = 0;
-    n_foot_reg = 0;
-    n_foot_sp_asterisk = 0;
-    n_foot_sp_plus = 0;
-  }
-#+END_SRC
-
-#+name: meta_emitters_obj_inline_markup_munge
-#+BEGIN_SRC d
-  static auto images()(string obj_txt_in) {
-    static auto mng = InlineMarkup();
-    /+ url matched +/
-    obj_txt_in = obj_txt_in.replaceAll(rgx.inline_notes_al_special, ""); // TODO reinstate when special footnotes are implemented
-    if (obj_txt_in.match(rgx.smid_image_generic)) {                            /+ images with and without links +/
-      debug(images) {
-        writeln("Image: ", obj_txt_in);
-      }
-      if (obj_txt_in.match(rgx.smid_image_with_dimensions)) {
-        obj_txt_in = obj_txt_in
-          .replaceAll(rgx.smid_image_with_dimensions, ("$1" ~ mkup.img ~ "$2,w$3h$4 " ~ "$5"))
-          .replaceAll(rgx.smid_image_delimit, ("$1"
-            ~ mkup.lnk_o ~ "$2".strip ~ mkup.lnk_c
-            ~ mkup.url_o ~ mkup.url_c));
-        debug(images) {
-          writeln("IMAGE with size: ", obj_txt_in);
-        }
-      } else if (obj_txt_in.match(rgx.smid_image)) {
-        obj_txt_in = obj_txt_in
-          .replaceAll(rgx.smid_image, ("$1" ~ mkup.img ~ "$2,w0h0" ~ "$3"))
-          .replaceAll(rgx.smid_image_delimit, ("$1"
-            ~ mkup.lnk_o ~ "$2".strip ~ mkup.lnk_c
-            ~ mkup.url_o ~ mkup.url_c));
-        debug(images) {
-          writeln("IMAGE: ", obj_txt_in); // decide on representation
-        }
-      }
-    }
-    return obj_txt_in;
-  }
-#+END_SRC
-
-******* footnotes endnotes markup
-
-#+name: meta_emitters_obj_inline_markup_munge
-#+BEGIN_SRC d
-  auto footnotes_endnotes_markup_and_number_or_stars()(string obj_txt_in, bool reset_note_numbers) {
-    /+ endnotes (regular) +/
-    bool flg_notes_reg  = false;
-    bool flg_notes_star = false;
-    bool flg_notes_plus = false;
-    obj_txt_in = obj_txt_in.replaceAll(
-      rgx.inline_notes_curly,
-      (mkup.en_a_o ~ " $1" ~ mkup.en_a_c)
-    );
-    if (!(stage_reset_note_numbers) && reset_note_numbers) {
-      stage_reset_note_numbers = true;
-    }
-    if (obj_txt_in.match(rgx.inline_notes_al_gen)) {
-      if (auto m = obj_txt_in.matchAll(rgx.inline_text_and_note_al_)) {
-        if (stage_reset_note_numbers) {
-          n_foot = 0;
-          n_foot_reg = 0;
-          n_foot_sp_asterisk = 0;
-          n_foot_sp_plus = 0;
-        }
-        stage_reset_note_numbers = false;
-        foreach(n; m) {
-          if (n.hit.to!string.match(rgx.inline_al_delimiter_open_symbol_star)) {
-            flg_notes_star =  true;
-            ++n_foot_sp_asterisk;
-            asterisks_ = "*";
-            n_foot=n_foot_sp_asterisk;
-            obj_txt_out ~= n.hit.to!string.replaceFirst(
-              rgx.inline_al_delimiter_open_symbol_star,
-              (mkup.en_a_o ~ replicate(asterisks_, n_foot_sp_asterisk) ~ " ")
-            ) ~ "\n";
-          } else if (n.hit.to!string.match(rgx.inline_al_delimiter_open_symbol_plus)) {
-            flg_notes_plus =  true;
-            ++n_foot_sp_plus;
-            plus_ = "*";
-            n_foot=n_foot_sp_plus;
-            obj_txt_out ~= n.hit.to!string.replaceFirst(
-              rgx.inline_al_delimiter_open_symbol_plus,
-              (mkup.en_a_o ~ replicate(plus_, n_foot_sp_plus) ~ " ")
-            ) ~ "\n";
-          } else if (n.hit.to!string.match(rgx.inline_al_delimiter_open_regular)) {
-            flg_notes_reg =  true;
-            ++n_foot_reg;
-            n_foot=n_foot_reg;
-            obj_txt_out ~= n.hit.to!string.replaceFirst(
-              rgx.inline_al_delimiter_open_regular,
-              (mkup.en_a_o ~ n_foot.to!string ~ " ")
-            ) ~ "\n";
-          } else {
-            obj_txt_out ~= n.hit.to!string ~ "\n";
-          }
-        }
-      }
-    } else {
-      obj_txt_out = obj_txt_in;
-    }
-    auto t = tuple(
-      obj_txt_out,
-      flg_notes_reg,
-      flg_notes_star,
-      flg_notes_plus,
-    );
-    return t;
-  }
-#+END_SRC
-
-******* object notes and links
-
-#+name: meta_emitters_obj_inline_markup_munge
-#+BEGIN_SRC d
-  private auto object_notes_and_links_()(
-    string obj_txt_in,
-    bool reset_note_numbers=false
-  ) {
-    obj_txt_out = "";
-    bool urls = false;
-    bool images_without_dimensions = false;
-    tail = "";
-    /+ special endnotes +/
-    obj_txt_in = obj_txt_in.replaceAll(
-      rgx.inline_notes_curly_sp_asterisk,
-      (mkup.en_a_o ~ "*" ~ " $1" ~ mkup.en_a_c)
-    );
-    obj_txt_in
-      = obj_txt_in.replaceAll(
-        rgx.inline_notes_curly_sp_plus,
-        (mkup.en_a_o ~ "+" ~ " $1" ~ mkup.en_a_c)
-      );
-    /+ image matched +/
-    if (obj_txt_in.match(rgx.smid_image_generic)) {
-      obj_txt_in = images(obj_txt_in);
-      if (obj_txt_in.match(rgx.smid_mod_image_without_dimensions)) {
-        images_without_dimensions = true;
-      }
-    }
-    /+ url matched +/
-    if (obj_txt_in.match(rgx.smid_inline_url)) {
-      urls = true;
-      obj_txt_in = obj_txt_in.links_and_images;
-    }
-    if (auto m = obj_txt_in.match(rgx.para_inline_link_anchor)) {
-      obj_txt_in = obj_txt_in
-        .replaceAll(rgx.para_inline_link_anchor, "┃$1┃");
-    }
-    auto ftn = footnotes_endnotes_markup_and_number_or_stars(obj_txt_in, reset_note_numbers);
-    obj_txt_out = ftn[0];
-    debug(footnotes) {
-      writeln(obj_txt_out, tail);
-    }
-    obj_txt_out = obj_txt_out ~ tail;
-    debug(footnotesdone) {
-      foreach(m; matchAll(obj_txt_out,
-      (mkup.en_a_o ~ `\s*(.+?)` ~ mkup.en_a_c))) {
-        writeln(m[1]);
-        writeln(m.hit);
-      }
-    }
-    auto t = tuple(
-      obj_txt_out,
-      ftn[1],
-      ftn[2],
-      ftn[3],
-      urls,
-      images_without_dimensions,
-    );
-    return t;
-  }
-  auto init() {
-    auto t = object_notes_and_links_("");
-    return t;
-  }
-  invariant() {
-  }
-#+END_SRC
-
-******* heading
-- identified text by heading level marker followed by text until two new lines
-- general markup
-
-#+name: meta_emitters_obj_inline_markup_munge
-#+BEGIN_SRC d
-  auto munge_heading()(
-    string obj_txt_in,
-    bool reset_note_numbers=false
-  ) {
-    obj_txt["munge"] = obj_txt_in
-     .replaceFirst(rgx.heading, "")
-     .replaceFirst(rgx.object_number_off_all, "")
-     .strip;
-    auto t = object_notes_and_links_(obj_txt["munge"], reset_note_numbers);
-    debug(munge) {
-      writeln(__LINE__);
-      writeln(obj_txt_in);
-      writeln(__LINE__);
-      writeln(obj_txt["munge"].to!string);
-    }
-    return t;
-  }
-  invariant() {
-  }
-#+END_SRC
-
-******* para
-- paragraph text without other identification until two new lines
-- general markup
-  - paragraph attributes
-  - font faces (bold, italics, underscore etc.)
-  - footnotes/endnotes
-  - links
-
-#+name: meta_emitters_obj_inline_markup_munge
-#+BEGIN_SRC d
-  auto munge_para()(string obj_txt_in) {
-    obj_txt["munge"]=(obj_txt_in)
-      .replaceFirst(rgx.para_attribs, "")
-      .replaceFirst(rgx.object_number_off_all, "");
-    auto t = object_notes_and_links_(obj_txt["munge"]);
-    debug(munge) {
-      writeln(__LINE__);
-      writeln(obj_txt_in);
-      writeln(__LINE__);
-      writeln(obj_txt["munge"].to!string);
-    }
-    return t;
-  }
-#+END_SRC
-
-******* quote
-
-#+name: meta_emitters_obj_inline_markup_munge
-#+BEGIN_SRC d
-  string munge_quote()(string obj_txt_in) {
-    obj_txt["munge"]=obj_txt_in;
-    return obj_txt["munge"];
-  }
-  invariant() {
-  }
-#+END_SRC
-
-******* group
-- group block identified by open an close tags
-- general markup
-  - paragraph attributes
-  - font faces (bold, italics, underscore etc.)
-  - footnotes/endnotes
-  - links
-- newlines detected and kept?
-
-#+name: meta_emitters_obj_inline_markup_munge
-#+BEGIN_SRC d
-  auto munge_group(string obj_txt_in) {
-    obj_txt["munge"]=obj_txt_in;
-    auto t = object_notes_and_links_(obj_txt["munge"]);
-    return t;
-  }
-  invariant() {
-  }
-#+END_SRC
-
-******* block
-- group block identified by open an close tags
-- general markup
-  - paragraph attributes
-  - font faces (bold, italics, underscore etc.)
-  - footnotes/endnotes
-  - links
-- newlines detected and kept?
-
-#+name: meta_emitters_obj_inline_markup_munge
-#+BEGIN_SRC d
-  auto munge_block()(string obj_txt_in) {
-    obj_txt["munge"]=obj_txt_in;
-    auto t = object_notes_and_links_(obj_txt["munge"]);
-    return t;
-  }
-  invariant() {
-  }
-#+END_SRC
-
-******* verse (poem)
-- sub part of poem block which is identified by open an close tags, separated from other verse by double newline
-- newlines
-- indentation
-- what part of general markup?
-  - font faces (bold, italics, underscore etc.)
-  - footnotes/endnotes
-  - links?
-
-#+name: meta_emitters_obj_inline_markup_munge
-#+BEGIN_SRC d
-  auto munge_verse()(string obj_txt_in) {
-    obj_txt["munge"]=obj_txt_in;
-    auto t = object_notes_and_links_(obj_txt["munge"]);
-    return t;
-  }
-  invariant() {
-  }
-#+END_SRC
-
-******* code
-- newlines
-- indentation
-- possibly identify syntax for coloring (obj attribute)
-- numbered code blocks (markup/obj attribute?)
-- no general markup
-- one special character represented by mkup.nbsp ░
-
-#+name: meta_emitters_obj_inline_markup_munge
-#+BEGIN_SRC d
-  string munge_code()(string obj_txt_in) {
-    obj_txt_in = obj_txt_in.replaceAll(rgx.space, mkup.nbsp);
-    obj_txt["munge"] = obj_txt_in;
-    return obj_txt["munge"];
-  }
-  invariant() {
-  }
-#+END_SRC
-
-******* table
-- table block identified by open an close tags
-- table markup
-
-#+name: meta_emitters_obj_inline_markup_munge
-#+BEGIN_SRC d
-  string munge_table()(string obj_txt_in) {
-    obj_txt["munge"]=obj_txt_in;
-    return obj_txt["munge"];
-  }
-  invariant() {
-  }
-#+END_SRC
-
-******* comment
-
-#+name: meta_emitters_obj_inline_markup_munge
-#+BEGIN_SRC d
-  string munge_comment()(string obj_txt_in) {
-    obj_txt["munge"]=obj_txt_in;
-    return obj_txt["munge"];
-  }
-  invariant() {
-  }
-#+END_SRC
-
-****** }
-
-#+name: meta_emitters_obj_inline_markup_munge
-#+BEGIN_SRC d
-}
-#+END_SRC
-
-***** toc, tags, object inline markup                     :markup:inline:
-****** {
-
-#+name: meta_emitters_obj_inline_markup
-#+BEGIN_SRC d
-static struct ObjInlineMarkup {
-  static auto rgx = Rgx();
-  static auto munge = ObjInlineMarkupMunge();
-  string[string] obj_txt;
-  static string anchor_tag = "";
-#+END_SRC
-
-******* object inline markup and anchor tags              :markup:inline:
-
-#+name: meta_emitters_obj_inline_markup_and_anchor_tags_and_misc
-#+BEGIN_SRC d
-  auto obj_inline_markup_and_anchor_tags_and_misc(CMM)(
-    string[string]   obj_,
-    string           obj_key_,
-    CMM              conf_make_meta,
-    Flag!"_new_doc"  _new_doc
-  ) {
-    obj_txt["munge"] = obj_[obj_key_].dup;
-    obj_txt["munge"] = (obj_["is"].match(ctRegex!(`verse|code`)))
-    ? obj_txt["munge"]
-    : obj_txt["munge"].strip;
-    if (_new_doc) {
-      anchor_tag = "";
-    }
-    auto x = munge.init;
-    bool[string] obj_notes_and_links;
-    obj_notes_and_links["notes_reg"]           = false;
-    obj_notes_and_links["notes_star"]          = false;
-    obj_notes_and_links["links"]               = false;
-    obj_notes_and_links["image_no_dimensions"] = false;
-    if ((obj_["is"] == "para")
-      || (obj_["is"] == "heading")
-      || (obj_["is"] == "quote")
-      || (obj_["is"] == "group")
-      || (obj_["is"] == "block")
-      || (obj_["is"] == "verse")) {
-      obj_txt["munge"] = (obj_txt["munge"]).inline_markup_faces;
-      obj_txt["munge"] = (obj_txt["munge"]).links_and_images;
-    }
-    switch (obj_["is"]) {
-    case "heading":
-      if (_new_doc) {
-        anchor_tag = "";
-      }
-      obj_txt["munge"]=_configured_auto_heading_numbering_and_segment_anchor_tags(obj_txt["munge"], obj_, conf_make_meta, _new_doc);
-      obj_txt["munge"]=_make_segment_anchor_tags_if_none_provided(obj_txt["munge"], obj_["lev"], _new_doc);
-      if (auto m = obj_txt["munge"].match(rgx.heading_anchor_tag)) {
-        anchor_tag = m.captures[1];
-      } else if (obj_["lev"] == "1") {
-        writeln("heading anchor tag missing: ", obj_txt["munge"]);
-      }
-      x = munge.munge_heading(obj_txt["munge"], reset_note_numbers);
-      reset_note_numbers=false;
-      goto default;
-    case "para":
-      x = munge.munge_para(obj_txt["munge"]);
-      goto default;
-    case "group":
-      x = munge.munge_group(obj_txt["munge"]);
-      goto default;
-    case "block":
-      x = munge.munge_block(obj_txt["munge"]);
-      goto default;
-    case "verse":
-      x = munge.munge_verse(obj_txt["munge"]);
-      goto default;
-    case "code":
-      obj_txt["munge"] = munge.munge_code(obj_txt["munge"]);
-      break;
-    case "table":
-      obj_txt["munge"] = munge.munge_table(obj_txt["munge"]);
-      break;
-    case "quote":
-      obj_txt["munge"] = munge.munge_quote(obj_txt["munge"]);
-      break;
-    case "comment":
-      obj_txt["munge"] = munge.munge_comment(obj_txt["munge"]);
-      break;
-    case "doc_end_reset":
-      munge.initialize_note_numbers();
-      break;
-    default:
-      /+ para, heading, group, block, verse +/
-      obj_txt["munge"]                  = x[0];
-      obj_notes_and_links["notes_reg"]  = x[1];
-      obj_notes_and_links["notes_star"] = x[2];
-      obj_notes_and_links["notes_plus"] = x[3];
-      obj_notes_and_links["links"]      = x[4];
-      obj_notes_and_links["image_no_dimensions"] = x[5];
-      break;
-    }
-    auto t = tuple(
-      obj_txt["munge"],
-      anchor_tag,
-      obj_notes_and_links["notes_reg"],
-      obj_notes_and_links["notes_star"],
-      obj_notes_and_links["links"],
-      obj_notes_and_links["image_no_dimensions"],
-    );
-    anchor_tag = "";
-    return t;
-  }
-  invariant() {
-  }
-#+END_SRC
-
-******* toc (table of contents), build, gather headings   :markup:inline:
-
-#+name: meta_emitters_obj_inline_markup_table_of_contents
-#+BEGIN_SRC d
-  auto _clean_heading_toc_()(
-    char[] heading_toc_,
-  ) {
-   auto m = (cast(char[]) heading_toc_).matchFirst(rgx.heading);
-   heading_toc_ = (m.post).replaceAll(
-     rgx.inline_notes_curly_gen,
-     "");
-   return heading_toc_;
-  };
-  ObjGenericComposite[] flow_table_of_contents_gather_headings(CMM)(
-               string[string]         obj_,
-               CMM                    conf_make_meta,
-               string[string]         tag_in_seg,
-               string                 _anchor_tag,
-    return ref string[][string]       lev4_subtoc,
-               ObjGenericComposite[]  the_table_of_contents_section,
-  ) {
-    ObjGenericComposite comp_obj_toc;
-    mixin InternalMarkup;
-    static auto mkup = InlineMarkup();
-    char[] heading_toc_ = (obj_["substantive"].dup.strip.to!(char[])).replaceAll(rgx.inline_notes_al, "");
-    heading_toc_ = _clean_heading_toc_(heading_toc_);
-    auto attrib="";
-    string toc_txt_, subtoc_txt_;
-    int[string] indent;
-    if (obj_["lev_markup_number"].to!int > 0) {
-      indent=[
-        "hang_position" : obj_["lev_markup_number"].to!int,
-        "base_position" : obj_["lev_markup_number"].to!int,
-      ];
-      toc_txt_ = format(
-        mkup.lnk_o ~ "%s".strip ~ mkup.lnk_c ~  mkup.url_o ~ "#%s"~  mkup.url_c,
-        heading_toc_,
-        _anchor_tag,
-      );
-      toc_txt_= toc_txt_.links_and_images;
-      comp_obj_toc                             = comp_obj_toc.init;
-      comp_obj_toc.metainfo.is_of_part         = "frontmatter";
-      comp_obj_toc.metainfo.is_of_section      = "toc";
-      comp_obj_toc.metainfo.is_of_type         = "para";
-      comp_obj_toc.metainfo.is_a               = "toc";
-      comp_obj_toc.metainfo.ocn                = 0;
-      comp_obj_toc.metainfo.identifier         = "";
-      comp_obj_toc.metainfo.object_number_off  = true;
-      comp_obj_toc.metainfo.object_number_type = 0;
-      comp_obj_toc.metainfo.dummy_heading      = (an_object["dummy_heading_status"] == "t") ? true: false;
-      comp_obj_toc.attrib.indent_hang          = indent["hang_position"];
-      comp_obj_toc.attrib.indent_base          = indent["base_position"];
-      comp_obj_toc.attrib.bullet               = false;
-      comp_obj_toc.text                        = toc_txt_.to!string.strip;
-      comp_obj_toc.has.inline_links            = true;
-      the_table_of_contents_section            ~= comp_obj_toc;
-    }
-    comp_obj_toc                               = comp_obj_toc.init;
-    comp_obj_toc.metainfo.is_of_part           = "frontmatter";
-    comp_obj_toc.metainfo.is_of_section        = "toc";
-    comp_obj_toc.metainfo.is_of_type           = "para";
-    comp_obj_toc.metainfo.is_a                 = "toc";
-    comp_obj_toc.metainfo.ocn                  = 0;
-    comp_obj_toc.metainfo.identifier           = "";
-    comp_obj_toc.metainfo.object_number_off    = true;
-    comp_obj_toc.metainfo.object_number_type   = 0;
-    comp_obj_toc.metainfo.dummy_heading        = (an_object["dummy_heading_status"] == "t") ? true: false;
-    comp_obj_toc.attrib.bullet                 = false;
-    comp_obj_toc.has.inline_links              = true;
-    switch (obj_["lev_markup_number"].to!int) {
-    case 0: .. case 3:
-      break;
-    case 4:
-      lev4_subtoc[tag_in_seg["seg_lv4"]] = [];
-      break;
-    case 5: .. case 7:
-      subtoc_txt_ = format(
-        mkup.lnk_o ~ "%s".strip ~ mkup.lnk_c ~  mkup.url_o ~ "#%s"~  mkup.url_c,
-        heading_toc_,
-        _anchor_tag,
-      );
-      lev4_subtoc[tag_in_seg["seg_lv4"]]
-      ~= links_and_images(obj_["lev_markup_number"]
-           ~ "~ " ~ subtoc_txt_.to!string.strip
-         );
-      break;
-    default:
-      break;
-    }
-    return the_table_of_contents_section;
-  }
-  invariant() {
-  }
-#+END_SRC
-
-******* private:
-
-#+name: meta_emitters_obj_inline_markup_private
-#+BEGIN_SRC d
-private:
-#+END_SRC
-
-******** make heading number & segment anchor tags if instructed :markup:inline:segment:anchor:tags:
-
-#+name: meta_emitters_obj_inline_markup_heading_numbering_segment_anchor_tags
-#+BEGIN_SRC d
-  static int[] heading_num = [ 0, 0, 0, 0 ];
-  static string heading_number_auto_composite = "";
-  static string heading_number_auto_composite_segname = "";
-  static bool[] auto_heading_numbering = [ true, true, true, true];
-  static string _configured_auto_heading_numbering_and_segment_anchor_tags(CMM)(
-    string           munge_,
-    string[string]   obj_,
-    CMM              conf_make_meta,
-    bool             _new_doc,
-  ) {
-    if (_new_doc) {
-      heading_num = [ 0, 0, 0, 0 ];
-      heading_number_auto_composite = "";
-      auto_heading_numbering = [ true, true, true, true];
-    }
-    if (conf_make_meta.make.auto_num_top_lv) {
-      if (obj_["lev_markup_number"].to!int == 0) {
-        heading_num[0] = 0;
-        heading_num[1] = 0;
-        heading_num[2] = 0;
-        heading_num[3] = 0;
-        heading_number_auto_composite = "";
-      }
-      /+ auto_num_depth minimum 0
-         (1.) default 2 (1.1.1) max 3 (1.1.1.1) implement +/
-      if (
-        conf_make_meta.make.auto_num_top_lv
-        > obj_["lev_markup_number"].to!uint
-      ) {
-        heading_num[1] = 0;
-        heading_num[2] = 0;
-        heading_num[3] = 0;
-      } else if (
-        conf_make_meta.make.auto_num_top_lv
-          == obj_["lev_markup_number"].to!uint
-      ) {
-        auto_heading_numbering[0] =
-          (munge_.match(rgx.auto_heading_numbering_off_lv1)) ? false : true;
-        if (auto_heading_numbering[0]) {
-          heading_num[0] ++;
-        }
-        heading_num[1] = 0;
-        heading_num[2] = 0;
-        heading_num[3] = 0;
-      } else if (
-        conf_make_meta.make.auto_num_top_lv
-          == (obj_["lev_markup_number"].to!uint - 1)
-      ) {
-        auto_heading_numbering[1] =
-          (munge_.match(rgx.auto_heading_numbering_off_lv2)) ? false : true;
-        if (auto_heading_numbering[0]
-        && auto_heading_numbering[1]) {
-          heading_num[1] ++;
-        }
-        heading_num[2] = 0;
-        heading_num[3] = 0;
-      } else if (
-        conf_make_meta.make.auto_num_top_lv
-          == (obj_["lev_markup_number"].to!uint - 2)
-      ) {
-        auto_heading_numbering[2] =
-          (munge_.match(rgx.auto_heading_numbering_off_lv3)) ? false : true;
-        if (auto_heading_numbering[0]
-        && auto_heading_numbering[1]
-        && auto_heading_numbering[2]) {
-          heading_num[2] ++;
-        }
-        heading_num[3] = 0;
-      } else if (
-        conf_make_meta.make.auto_num_top_lv
-          == (obj_["lev_markup_number"].to!uint - 3)
-      ) {
-        auto_heading_numbering[3] =
-          (munge_.match(rgx.auto_heading_numbering_off_lv4)) ? false : true;
-        if (auto_heading_numbering[0]
-        && auto_heading_numbering[1]
-        && auto_heading_numbering[2]
-        && auto_heading_numbering[3]) {
-          heading_num[3] ++;
-        }
-      }
-      if (auto_heading_numbering[0]) {
-        if (heading_num[3] > 0) {
-          heading_number_auto_composite
-            = (conf_make_meta.make.auto_num_depth.to!uint == 3
-              && auto_heading_numbering[3])
-            ? (format(q"┃%s.%s.%s.%s┃",
-                heading_num[0].to!string,
-                heading_num[1].to!string,
-                heading_num[2].to!string,
-                heading_num[3].to!string
-              ))
-            : "";
-        } else if (heading_num[2] > 0) {
-          heading_number_auto_composite
-            = ((conf_make_meta.make.auto_num_depth.to!uint >= 2)
-              && (conf_make_meta.make.auto_num_depth.to!uint <= 3)
-              && auto_heading_numbering[2])
-            ? (format(q"┃%s.%s.%s┃",
-                heading_num[0].to!string,
-                heading_num[1].to!string,
-                heading_num[2].to!string
-              ))
-            : "";
-        } else if (heading_num[1] > 0) {
-          heading_number_auto_composite
-            = ((conf_make_meta.make.auto_num_depth.to!uint >= 1)
-              && (conf_make_meta.make.auto_num_depth.to!uint <= 3)
-              && auto_heading_numbering[1])
-            ? (format(q"┃%s.%s┃",
-                heading_num[0].to!string,
-                heading_num[1].to!string
-              ))
-            : "";
-        } else if (heading_num[0] > 0
-          && munge_.match(rgx.auto_heading_numbering_lv1)
-        ) {
-          heading_number_auto_composite
-            = ((conf_make_meta.make.auto_num_depth.to!uint >= 0)
-              && (conf_make_meta.make.auto_num_depth.to!uint <= 3)
-              && auto_heading_numbering[0])
-            ? (format(q"┃%s┃",
-                heading_num[0].to!string
-              ))
-            : "";
-        } else {
-          heading_number_auto_composite = "";
-        }
-      }
-      heading_number_auto_composite_segname =
-        (heading_number_auto_composite.empty)
-          ? ""
-          : "seg_" ~ heading_number_auto_composite;
-      debug(heading_number_auto) {
-        writeln(heading_number_auto_composite);
-      }
-      if ((!empty(heading_number_auto_composite))
-      && (obj_["lev_markup_number"].to!uint >= conf_make_meta.make.auto_num_top_lv)) {
-        munge_ = munge_
-        .replaceFirst(rgx.heading,
-          "$1~$2 " ~ heading_number_auto_composite ~ ". ")
-        .replaceFirst(rgx.heading_marker_missing_tag,
-          "$1~" ~ heading_number_auto_composite_segname ~ " ");
-      }
-    }
-    return munge_;
-  }
-#+END_SRC
-
-******** make segment anchor tags if not provided :markup:inline:segment:anchor:tags:
-
-#+name: meta_emitters_obj_inline_markup_heading_numbering_segment_anchor_tags
-#+BEGIN_SRC d
-  static int heading_num_lev1 = 0;
-  static string _make_segment_anchor_tags_if_none_provided()(
-    string munge_,
-    string lev_,
-    bool   _new_doc
-  ) {
-    if (!(munge_.match(rgx.heading_anchor_tag))) {
-      if (munge_.match(rgx.heading_identify_anchor_tag)) {
-        if (auto m = munge_.match(rgx.heading_extract_named_anchor_tag)) {
-          munge_ = munge_.replaceFirst(
-            rgx.heading_marker_missing_tag,
-            "$1~" ~ m.captures[1].toLower ~ "_"  ~ m.captures[2] ~ " ");
-          if (auto n = munge_.match(rgx.heading_anchor_tag_plus_colon)) {
-            auto tag_remunge_ = n.captures[2]
-              .replaceAll(rgx.heading_marker_tag_has_colon, "..");
-            munge_ = munge_.replaceFirst(rgx.heading_anchor_tag_plus_colon, n.captures[1] ~ tag_remunge_ ~ " ");
-          }
-        } else if (auto m = munge_.match(rgx.heading_extract_unnamed_anchor_tag)) {
-          munge_ = munge_.replaceFirst(
-            rgx.heading_marker_missing_tag,
-            "$1~" ~ "s" ~ m.captures[1] ~ " ");
-        }
-      } else if (lev_ == "1") { // (if not successful) manufacture a unique anchor tag for lev=="1"
-        if (_new_doc) {
-          heading_num_lev1 = 0;
-        }
-        heading_num_lev1 ++;
-        munge_ = munge_.replaceFirst(
-          rgx.heading_marker_missing_tag,
-          "$1~" ~ "x" ~ heading_num_lev1.to!string ~ " ");
-      }
-    }
-    return munge_;
-  }
-#+END_SRC
-
-****** }
-
-#+name: meta_emitters_obj_inline_markup_close
-#+BEGIN_SRC d
-}
-#+END_SRC
-
-***** object attrib                                          :attributes:
-****** { attributes structure open, public
-
-#+name: meta_emitters_obj_attributes
-#+BEGIN_SRC d
-struct ObjAttributes {
-  string[string] _obj_attrib;
-#+END_SRC
-
-******* emitter obj attributes, public
-
-#+name: meta_emitters_obj_attributes_public
-#+BEGIN_SRC d
-  string obj_attributes()(
-    string              obj_is_,
-    string              obj_raw,
-    ObjGenericComposite _comp_obj_heading,
-  ) {
-    scope(exit) {
-      destroy(obj_is_);
-      destroy(obj_raw);
-      destroy(_comp_obj_heading);
-    }
-    _obj_attrib["json"] ="{";
-    switch (obj_is_) {
-    case "heading":
-      _obj_attrib["json"] ~= txt_heading(obj_raw);
-      break;
-    case "para":
-      _obj_attrib["json"] ~= txt_para_and_blocks(obj_raw)
-      ~ txt_para(obj_raw);
-      break;
-    case "code":
-      _obj_attrib["json"] ~= txt_code(obj_raw);
-      break;
-    case "group":
-      _obj_attrib["json"] ~= txt_para_and_blocks(obj_raw)
-      ~ txt_group(obj_raw);
-      break;
-    case "block":
-      _obj_attrib["json"] ~= txt_para_and_blocks(obj_raw)
-      ~ txt_block(obj_raw);
-      break;
-    case "verse":
-      _obj_attrib["json"] ~= txt_verse(obj_raw);
-      break;
-    case "quote":
-      _obj_attrib["json"] ~= txt_quote(obj_raw);
-      break;
-    case "table":
-      _obj_attrib["json"] ~= txt_table(obj_raw);
-      break;
-    case "comment":
-      _obj_attrib["json"] ~= txt_comment(obj_raw);
-      break;
-    default:
-      _obj_attrib["json"] ~= txt_para(obj_raw);
-      break;
-    }
-    _obj_attrib["json"] ~=" }";
-    _obj_attrib["json"]=_set_additional_values_parse_as_json(_obj_attrib["json"], obj_is_, _comp_obj_heading);
-    debug(structattrib) {
-      if (oa_j["is"].str() == "heading") {
-        writeln(_obj_attrib["json"]);
-        writeln(
-          "is: ", oa_j["is"].str(),
-          "; object_number: ", oa_j["object_number"].integer()
-        );
-      }
-    }
-    return _obj_attrib["json"];
-  }
-  invariant() {
-  }
-#+END_SRC
-
-******* private
-
-#+name: meta_emitters_obj_attributes_private
-#+BEGIN_SRC d
-  private:
-  string _obj_attributes;
-#+END_SRC
-
-******** para & blocks
-
-#+name: meta_emitters_obj_attributes_private_an_attribute
-#+BEGIN_SRC d
-  string txt_para_and_blocks()(string obj_txt_in) {
-    if (obj_txt_in.matchFirst(rgx.para_bullet)) {
-      _obj_attributes =" \"bullet\": \"true\","
-      ~ " \"indent_hang\": 0,"
-      ~ " \"indent_base\": 0,";
-    } else if (auto m = obj_txt_in.matchFirst(rgx.para_bullet_indent)) {
-      _obj_attributes =" \"bullet\": \"true\","
-      ~ " \"indent_hang\": " ~ m["indent"].to!string ~ ","
-      ~ " \"indent_base\": " ~ m["indent"].to!string ~ ",";
-    } else if (auto m = obj_txt_in.matchFirst(rgx.para_indent_hang)) {
-      _obj_attributes =" \"bullet\": \"false\","
-      ~ " \"indent_hang\": " ~ m["hang"].to!string ~ ","
-      ~ " \"indent_base\": " ~ m["indent"].to!string ~ ",";
-    } else if (auto m = obj_txt_in.matchFirst(rgx.para_indent)) {
-      _obj_attributes =" \"bullet\": \"false\","
-      ~ " \"indent_hang\": " ~ m["indent"].to!string ~ ","
-      ~ " \"indent_base\": " ~ m["indent"].to!string ~ ",";
-    } else {
-      _obj_attributes =" \"bullet\": \"false\","
-      ~ " \"indent_hang\": 0,"
-      ~ " \"indent_base\": 0,";
-    }
-    return _obj_attributes;
-  }
-#+END_SRC
-
-******** heading
-
-#+name: meta_emitters_obj_attributes_private_an_attribute
-#+BEGIN_SRC d
-  string txt_heading()(string obj_txt_in) {
-    _obj_attributes = " \"use\": \"content\","
-    ~ " \"of\": \"para\","
-    ~ " \"is\": \"heading\"";
-    return _obj_attributes;
-  }
-  invariant() {
-  }
-#+END_SRC
-
-******** para
-
-#+name: meta_emitters_obj_attributes_private_an_attribute
-#+BEGIN_SRC d
-  string txt_para()(string obj_txt_in) {
-    _obj_attributes = " \"use\": \"content\","
-    ~ " \"of\": \"para\","
-    ~ " \"is\": \"para\"";
-    return _obj_attributes;
-  }
-  invariant() {
-  }
-#+END_SRC
-
-******** quote
-
-#+name: meta_emitters_obj_attributes_private_an_attribute
-#+BEGIN_SRC d
-  string txt_quote()(string obj_txt_in) {
-    _obj_attributes = " \"use\": \"content\","
-    ~ " \"of\": \"block\","
-    ~ " \"is\": \"quote\"";
-    return _obj_attributes;
-  }
-  invariant() {
-  }
-#+END_SRC
-
-******** group
-
-#+name: meta_emitters_obj_attributes_private_an_attribute
-#+BEGIN_SRC d
-  string txt_group()(string obj_txt_in) {
-    _obj_attributes = " \"use\": \"content\","
-    ~ " \"of\": \"block\","
-    ~ " \"is\": \"group\"";
-    return _obj_attributes;
-  }
-  invariant() {
-  }
-#+END_SRC
-
-******** block
-
-#+name: meta_emitters_obj_attributes_private_an_attribute
-#+BEGIN_SRC d
-  string txt_block()(string obj_txt_in) {
-    _obj_attributes = " \"use\": \"content\","
-    ~ " \"of\": \"block\","
-    ~ " \"is\": \"block\"";
-    return _obj_attributes;
-  }
-  invariant() {
-  }
-#+END_SRC
-
-******** verse
-
-#+name: meta_emitters_obj_attributes_private_an_attribute
-#+BEGIN_SRC d
-  string txt_verse()(string obj_txt_in) {
-    _obj_attributes = " \"use\": \"content\","
-    ~ " \"of\": \"block\","
-    ~ " \"is\": \"verse\"";
-    return _obj_attributes;
-  }
-  invariant() {
-  }
-#+END_SRC
-
-******** code
-
-#+name: meta_emitters_obj_attributes_private_an_attribute
-#+BEGIN_SRC d
-  string txt_code()(string obj_txt_in) {
-    _obj_attributes = " \"use\": \"content\","
-    ~ " \"of\": \"block\","
-    ~ " \"is\": \"code\"";
-    return _obj_attributes;
-  }
-  invariant() {
-  }
-#+END_SRC
-
-******** table
-
-#+name: meta_emitters_obj_attributes_private_an_attribute
-#+BEGIN_SRC d
-  string txt_table()(string obj_txt_in) {
-    _obj_attributes = " \"use\": \"content\","
-    ~ " \"of\": \"block\","
-    ~ " \"is\": \"table\"";
-    return _obj_attributes;
-  }
-  invariant() {
-  }
-#+END_SRC
-
-******** comment
-
-#+name: meta_emitters_obj_attributes_private_an_attribute
-#+BEGIN_SRC d
-  string txt_comment()(string obj_txt_in) {
-    _obj_attributes = " \"use\": \"comment\","
-    ~ " \"of\": \"comment\","
-    ~ " \"is\": \"comment\"";
-    return _obj_attributes;
-  }
-  invariant() {
-  }
-#+END_SRC
-
-******** set additional attribute values, parse as json
-
-#+name: meta_emitters_obj_attributes_private_json
-#+BEGIN_SRC d
-  string _set_additional_values_parse_as_json()(
-    string              _obj_attrib,
-    string              obj_is_,
-    ObjGenericComposite _comp_obj_heading,
-  ) {
-    JSONValue oa_j = parseJSON(_obj_attrib);
-    assert(
-      (oa_j.type == JSON_TYPE.OBJECT)
-    );
-    if (obj_is_ == "heading") {
-      oa_j.object["object_number"]          = _comp_obj_heading.metainfo.ocn;
-      oa_j.object["lev_markup_number"]      = _comp_obj_heading.metainfo.heading_lev_markup;
-      oa_j.object["lev_collapsed_number"]   = _comp_obj_heading.metainfo.heading_lev_collapsed;
-      oa_j.object["heading_ptr"]
-        = _comp_obj_heading.ptr.heading;
-      oa_j.object["doc_object_ptr"]
-        = _comp_obj_heading.ptr.doc_object;
-    }
-    oa_j.object["parent_object_number"]     = _comp_obj_heading.metainfo.parent_ocn;
-    oa_j.object["parent_lev_markup_number"] = _comp_obj_heading.metainfo.parent_lev_markup;
-    _obj_attrib = oa_j.toString();
-    return _obj_attrib;
-  }
-#+END_SRC
-
-****** }
-
-#+name: meta_emitters_obj_attributes_private_close
-#+BEGIN_SRC d
-}
-#+END_SRC
-
-**** book index                                               :book:index:
-***** book index nugget hash                                :hash:nugget:
-
-#+name: meta_emitters_book_index_nugget
-#+BEGIN_SRC d
-struct BookIndexNuggetHash {
-  string main_term, sub_term, sub_term_bits;
-  int object_number_offset, object_number_endpoint;
-  string[] object_numbers;
-  string[][string][string] bi_hash_nugget;
-  string[] bi_main_terms_split_arr;
-  string[][string][string] bookindex_nugget_hash(N,S)(
-    string bookindex_section,
-    N      obj_cite_digits,
-    S      tag_in_seg,
-  ) {
-    debug(asserts) {
-      static assert(is(typeof(obj_cite_digits.object_number) == int));
-    }
-    debug(bookindexraw) {
-      if (!bookindex_section.empty) {
-        writeln(
-          "* [bookindex] ",
-          "[", obj_cite_digits.object_number.to!string, ": ", tag_in_seg["seg_lv4"], "] ", bookindex_section,
-          "  - - - ",
-          "[", obj_cite_digits.object_number.to!string, "] ", bookindex_section
-        );
-      }
-    }
-    static auto rgx = Rgx();
-    if (!bookindex_section.empty) {
-      auto bi_main_terms_split_arr
-        = bookindex_section.split(rgx.bi_main_terms_split);
-      foreach (bi_main_terms_content; bi_main_terms_split_arr) {
-        auto bi_main_term_and_rest
-          = bi_main_terms_content.split(rgx.bi_main_term_plus_rest_split);
-        if (auto m = bi_main_term_and_rest[0].match(
-          rgx.bi_term_and_object_numbers_match)
-        ) {
-          main_term = m.captures[1].strip;
-          object_number_offset = m.captures[2].to!int;
-          object_number_endpoint=(obj_cite_digits.object_number + object_number_offset);
-          object_numbers ~= (obj_cite_digits.object_number.to!string
-          ~ "-" ~ object_number_endpoint.to!string);
-        } else {
-          main_term = bi_main_term_and_rest[0].strip;
-          object_numbers ~= obj_cite_digits.object_number.to!string;
-        }
-        bi_hash_nugget[main_term]["_a"] ~= object_numbers;
-        object_numbers = null;
-        if (bi_main_term_and_rest.length > 1) {
-          auto bi_sub_terms_split_arr
-            = bi_main_term_and_rest[1].split(
-              rgx.bi_sub_terms_plus_object_number_offset_split
-            );
-          foreach (sub_terms_bits; bi_sub_terms_split_arr) {
-            if (auto m = sub_terms_bits.match(rgx.bi_term_and_object_numbers_match)) {
-              sub_term = m.captures[1].strip;
-              object_number_offset = m.captures[2].to!int;
-              object_number_endpoint=(obj_cite_digits.object_number + object_number_offset);
-              object_numbers ~= (obj_cite_digits.object_number.to!string
-              ~ " - " ~ object_number_endpoint.to!string);
-            } else {
-              sub_term = sub_terms_bits.strip;
-              object_numbers ~= obj_cite_digits.object_number.to!string;
-            }
-            if (!empty(sub_term)) {
-              bi_hash_nugget[main_term][sub_term] ~= object_numbers;
-            }
-            object_numbers=null;
-          }
-        }
-      }
-    }
-    return bi_hash_nugget;
-  }
-  invariant() {
-  }
-}
-#+END_SRC
-
-***** book index (sort &) report indented               :report:indented:
-
-#+name: meta_emitters_book_index_report_indented
-#+BEGIN_SRC d
-struct BookIndexReportIndent {
-  int mkn, skn;
-  void bookindex_report_indented()(
-    string[][string][string] bookindex_unordered_hashes
-  ) {
-    auto mainkeys
-      = bookindex_unordered_hashes.byKey.array.sort().release;
-    foreach (mainkey; mainkeys) {
-      debug(bookindex1) {
-        writeln(mainkey);
-      }
-      auto subkeys
-        = bookindex_unordered_hashes[mainkey].byKey.array.sort().release;
-      foreach (subkey; subkeys) {
-        debug(bookindex1) {
-          writeln("  ", subkey);
-          writeln("    ", to!string(
-            bookindex_unordered_hashes[mainkey][subkey]
-          ));
-        }
-        ++skn;
-      }
-      ++mkn;
-    }
-  }
-}
-#+END_SRC
-
-***** book index (sort &) report section                 :report:section:
-****** { book index struct open
-
-#+name: meta_emitters_book_index_report_section
-#+BEGIN_SRC d
-struct BookIndexReportSection {
-  int  mkn, skn;
-  static auto rgx = Rgx();
-  static auto munge = ObjInlineMarkupMunge();
-#+END_SRC
-
-******* bookindex write section
-
-#+name: meta_emitters_book_index_report_section
-#+BEGIN_SRC d
-  void bookindex_write_section()(
-    string[][string][string] bookindex_unordered_hashes
-  ) {
-    auto mainkeys =
-      bookindex_unordered_hashes.byKey.array
-      .sort!("toUpper(a) < toUpper(b)", SwapStrategy.stable).release;
-    foreach (mainkey; mainkeys) {
-      write("_0_1 !┨", mainkey, "┣! ");
-      foreach (ref_; bookindex_unordered_hashes[mainkey]["_a"]) {
-        auto go = ref_.replaceAll(rgx.book_index_go, "$1");
-        write(" {", ref_, "}#", go, ", ");
-      }
-      writeln(" \\\\");
-      bookindex_unordered_hashes[mainkey].remove("_a");
-      auto subkeys =
-        bookindex_unordered_hashes[mainkey].byKey.array
-        .sort!("toUpper(a) < toUpper(b)", SwapStrategy.stable).release;
-      foreach (subkey; subkeys) {
-        write("  ", subkey, ", ");
-        foreach (ref_; bookindex_unordered_hashes[mainkey][subkey]) {
-          auto go = ref_.replaceAll(rgx.book_index_go, "$1");
-          write(" {", ref_, "}#", go, ", ");
-        }
-        writeln(" \\\\");
-        ++skn;
-      }
-      ++mkn;
-    }
-  }
-#+END_SRC
-
-******* book index (sort &) build section                :report:section:
-
-#+name: meta_emitters_book_index_report_section
-#+BEGIN_SRC d
-  auto bookindex_build_abstraction_section(N,B)(
-    string[][string][string] bookindex_unordered_hashes,
-    N                        obj_cite_digits,
-    B                        opt_action,
-  ) {
-    debug(asserts) {
-      static assert(is(typeof(obj_cite_digits.object_number)             == int));
-    }
-    mixin DocReformNode;
-    mixin InternalMarkup;
-    static auto mkup = InlineMarkup();
-    string type_is;
-    string lev;
-    int heading_lev_markup, heading_lev_collapsed;
-    string attrib;
-    int[string] indent;
-    auto mainkeys =
-      bookindex_unordered_hashes.byKey.array
-      .sort!("toUpper(a) < toUpper(b)", SwapStrategy.stable).release;
-    ObjGenericComposite[] bookindex_section;
-    ObjGenericComposite comp_obj_heading_, comp_obj_para;
-    auto node_para_int_ = node_metadata_para_int;
-    auto node_para_str_ = node_metadata_para_str;
-    if ((mainkeys.length > 0)
-    && (opt_action.backmatter
-    && opt_action.section_bookindex)) {
-      string bi_tmp;
-      string[] bi_tmp_tags;
-      {
-        comp_obj_heading_                                = comp_obj_heading_.init;
-        comp_obj_heading_.metainfo.is_of_part            = "backmatter";
-        comp_obj_heading_.metainfo.is_of_section         = "bookindex";
-        comp_obj_heading_.metainfo.is_of_type            = "para";
-        comp_obj_heading_.metainfo.is_a                  = "heading";
-        comp_obj_heading_.text                           = "Book Index";
-        comp_obj_heading_.metainfo.ocn                   = 0;
-        comp_obj_heading_.metainfo.identifier            = "";
-        comp_obj_heading_.metainfo.dummy_heading         = false;
-        comp_obj_heading_.metainfo.object_number_off     = true;
-        comp_obj_heading_.metainfo.object_number_type    = 0;
-        comp_obj_heading_.tags.segment_anchor_tag_epub   = "_part_book_index";
-        comp_obj_heading_.tags.anchor_tag_html           = comp_obj_heading_.tags.segment_anchor_tag_epub;
-        comp_obj_heading_.tags.in_segment_html           = "bookindex";
-        comp_obj_heading_.tags.anchor_tags               = ["section_bookindex"];
-        comp_obj_heading_.metainfo.heading_lev_markup    = 1;
-        comp_obj_heading_.metainfo.heading_lev_collapsed = 1;
-        comp_obj_heading_.metainfo.parent_ocn            = 1;
-        comp_obj_heading_.metainfo.parent_lev_markup     = 0;
-        comp_obj_heading.has.inline_links                = true;
-        bookindex_section                                ~= comp_obj_heading_;
-        tag_assoc[comp_obj_heading_.tags.anchor_tag_html]["seg_lv4"]              = comp_obj_heading_.tags.in_segment_html;
-        tag_assoc[comp_obj_heading_.tags.segment_anchor_tag_epub]["seg_lv1_to_4"] = comp_obj_heading_.tags.segment_anchor_tag_epub;
-        ++mkn;
-      }
-      {
-        comp_obj_heading_                                = comp_obj_heading_.init;
-        comp_obj_heading_.metainfo.is_of_part            = "backmatter";
-        comp_obj_heading_.metainfo.is_of_section         = "bookindex";
-        comp_obj_heading_.metainfo.is_of_type            = "para";
-        comp_obj_heading_.metainfo.is_a                  = "heading";
-        comp_obj_heading_.text                           = "Index";
-        comp_obj_heading_.metainfo.ocn                   = 0;
-        comp_obj_heading_.metainfo.identifier            = "";
-        comp_obj_heading_.metainfo.dummy_heading         = true;
-        comp_obj_heading_.metainfo.object_number_off     = true;
-        comp_obj_heading_.metainfo.object_number_type    = 0;
-        comp_obj_heading_.tags.segment_anchor_tag_epub   = "bookindex";
-        comp_obj_heading_.tags.anchor_tag_html           = comp_obj_heading_.tags.segment_anchor_tag_epub;
-        comp_obj_heading_.tags.in_segment_html           = comp_obj_heading_.tags.anchor_tag_html;
-        comp_obj_heading_.metainfo.heading_lev_markup    = 4;
-        comp_obj_heading_.metainfo.heading_lev_collapsed = 2;
-        comp_obj_heading_.metainfo.parent_ocn            = 1;
-        comp_obj_heading_.metainfo.parent_lev_markup     = 0;
-        comp_obj_heading.has.inline_links                = false;
-        comp_obj_heading_.tags.anchor_tags               = ["bookindex"];
-        bookindex_section                                ~= comp_obj_heading_;
-        tag_assoc[comp_obj_heading_.tags.anchor_tag_html]["seg_lv4"]              = comp_obj_heading_.tags.in_segment_html;
-        tag_assoc[comp_obj_heading_.tags.segment_anchor_tag_epub]["seg_lv1_to_4"] = comp_obj_heading_.tags.segment_anchor_tag_epub;
-        ++mkn;
-      }
-      import std.array : appender;
-      auto buffer = appender!(char[])();
-      string[dchar] transTable = [' ' : "_"];
-      foreach (mainkey; mainkeys) {
-        bi_tmp_tags = [""];
-        bi_tmp = mkup.bold ~ mkup.ff_o ~ mainkey ~ mkup.ff_c ~ mkup.bold ~ " ";
-        buffer.clear();
-        bi_tmp_tags ~= translate(mainkey, transTable);
-        auto bkidx_lnk(string locs) {
-          string markup = "";
-          if (auto m = locs.matchFirst(rgx.book_index_go)) {
-            markup
-              = links_and_images("{ " ~ m["link"] ~ " }"
-              ~ "#" ~ m["ocn"] ~ ", ");
-          } else {
-            writeln(__LINE__, ": ", locs);
-          }
-          return markup;
-        }
-        foreach (ref_; bookindex_unordered_hashes[mainkey]["_a"]) {
-          bi_tmp ~= bkidx_lnk(ref_);
-        }
-        bi_tmp ~= " \\\\\n    ";
-        bookindex_unordered_hashes[mainkey].remove("_a");
-        auto subkeys =
-          bookindex_unordered_hashes[mainkey].byKey.array
-          .sort!("toUpper(a) < toUpper(b)", SwapStrategy.stable).release;
-        foreach (subkey; subkeys) {
-          bi_tmp ~= subkey ~ ", ";
-          buffer.clear();
-          bi_tmp_tags ~= translate(subkey, transTable);
-          foreach (ref_; bookindex_unordered_hashes[mainkey][subkey]) {
-            bi_tmp ~= bkidx_lnk(ref_);
-          }
-          bi_tmp ~= " \\\\\n    ";
-          ++skn;
-        }
-        bi_tmp                                         = bi_tmp.replaceFirst(rgx.trailing_linebreak, "");
-        comp_obj_para                                  = comp_obj_para.init;
-        comp_obj_para.metainfo.is_of_part              = "backmatter";
-        comp_obj_para.metainfo.is_of_section           = "bookindex";
-        comp_obj_para.metainfo.is_of_type              = "para";
-        comp_obj_para.metainfo.is_a                    = "bookindex";
-        comp_obj_para.text                             = bi_tmp.to!string.strip;
-        comp_obj_para.metainfo.ocn                     = 0;
-        comp_obj_para.metainfo.identifier              = "";
-        comp_obj_para.metainfo.object_number_off       = true;
-        comp_obj_para.metainfo.object_number_type      = 0;
-        comp_obj_para.tags.anchor_tags                 = bi_tmp_tags;
-        comp_obj_para.attrib.indent_hang               = 0;
-        comp_obj_para.attrib.indent_base               = 1;
-        comp_obj_para.attrib.bullet                    = false;
-        comp_obj_para.has.inline_links                 = true;
-        comp_obj_para.text                             = bi_tmp.to!string.strip;
-        bookindex_section                              ~= comp_obj_para;
-        ++mkn;
-      }
-    } else {                              // no book index, (figure out what to do here)
-      comp_obj_heading_                                = comp_obj_heading_.init;
-      comp_obj_heading_.text                           = "(skip) there is no Book Index";
-      comp_obj_heading_.metainfo.ocn                   = 0;
-      comp_obj_heading_.metainfo.identifier            = "";
-      comp_obj_heading_.metainfo.dummy_heading         = true;
-      comp_obj_heading_.metainfo.object_number_off     = true;
-      comp_obj_heading_.metainfo.object_number_type    = 0;
-      comp_obj_heading_.metainfo.heading_lev_markup    = 1;
-      comp_obj_heading_.metainfo.heading_lev_collapsed = 1;
-      comp_obj_heading_.metainfo.parent_ocn            = 1;
-      comp_obj_heading_.metainfo.parent_lev_markup     = 0;
-      bookindex_section                                ~= comp_obj_heading_;
-    }
-    auto t = tuple(
-      bookindex_section,
-      obj_cite_digits
-    );
-    return t;
-  }
-#+END_SRC
-
-****** }
-
-#+name: meta_emitters_book_index_report_section
-#+BEGIN_SRC d
-}
-#+END_SRC
-
-**** (end)notes section                                 :endnotes:section:
-
-#+name: meta_emitters_endnotes
-#+BEGIN_SRC d
-struct NotesSection {
-  string[string] object_notes;
-  int previous_count;
-  int mkn;
-  static auto rgx = Rgx();
-#+END_SRC
-
-***** { gather notes for endnote section struct open
-
-#+name: meta_emitters_endnotes
-#+BEGIN_SRC d
-  private auto gather_notes_for_endnote_section(
-    ObjGenericComposite[] contents_am,
-    string[string]        tag_in_seg,
-    int                   cntr,
-  ) {
-    assert((contents_am[cntr].metainfo.is_a == "para")
-    || (contents_am[cntr].metainfo.is_a     == "heading")
-    || (contents_am[cntr].metainfo.is_a     == "quote")
-    || (contents_am[cntr].metainfo.is_a     == "group")
-    || (contents_am[cntr].metainfo.is_a     == "block")
-    || (contents_am[cntr].metainfo.is_a     == "verse"));
-    assert(cntr >= previous_count);
-    assert(
-      (contents_am[cntr].text).match(
-      rgx.inline_notes_al_all_note)
-    );
-    mixin InternalMarkup;
-    previous_count=cntr;
-    static auto mkup = InlineMarkup();
-    static auto munge = ObjInlineMarkupMunge();
-    foreach(m;
-      (contents_am[cntr].text).matchAll(
-        rgx.inline_notes_al_special_char_note)
-    ) {
-      debug(endnotes_build) {
-        writeln(
-          "{^", mkup.ff_o, m["char"], ".", mkup.ff_c, "^}"
-          ~ mkup.mark_internal_site_lnk,
-          tag_in_seg["seg_lv4"],
-            ".fnSuffix#noteref_\n  ", m["char"], " ",
-          m["note"]); // sometimes need segment name (segmented html & epub)
-      }
-      // you need anchor for segments at this point ->
-      object_notes["anchor"] ~= "note_" ~ m["char"] ~ "』";
-      object_notes["notes"]  ~= (tag_in_seg["seg_lv4"].empty)
-      ? (links_and_images(
-          "{" ~ mkup.superscript  ~ mkup.ff_o ~ m["char"] ~ "." ~ mkup.ff_c  ~ mkup.superscript  ~ "}#noteref_"
-          ~ m["char"]) ~ " "
-          ~ m["note"] ~ "』"
-        )
-      : (links_and_images(
-          "{" ~ mkup.superscript ~ mkup.ff_o ~ m["char"] ~ "." ~ mkup.ff_c  ~ mkup.superscript ~ "}"
-           ~ mkup.mark_internal_site_lnk
-           ~ tag_in_seg["seg_lv4"]
-           ~ ".fnSuffix#noteref_"
-           ~ m["char"]) ~ " "
-           ~ m["note"] ~ "』"
-        );
-    }
-    foreach(m;
-      (contents_am[cntr].text).matchAll(
-        rgx.inline_notes_al_regular_number_note)
-    ) {
-      debug(endnotes_build) {
-        writeln(
-          "{^", mkup.ff_o, m["num"], ".", mkup.ff_c, "^}"
-          ~ mkup.mark_internal_site_lnk,
-          tag_in_seg["seg_lv4"],
-            ".fnSuffix#noteref_\n  ", m["num"], " ",
-          m["note"]); // sometimes need segment name (segmented html & epub)
-      }
-      // you need anchor for segments at this point ->
-      object_notes["anchor"] ~= "note_" ~ m["num"] ~ "』";
-      object_notes["notes"]  ~= (tag_in_seg["seg_lv4"].empty)
-      ? (links_and_images(
-          "{" ~ mkup.superscript  ~ mkup.ff_o ~ m["num"] ~ "." ~ mkup.ff_c  ~ mkup.superscript  ~ "}#noteref_"
-          ~ m["num"]) ~ " "
-          ~ m["note"] ~ "』"
-        )
-      : (links_and_images(
-          "{" ~ mkup.superscript ~ mkup.ff_o ~ m["num"] ~ "." ~ mkup.ff_c  ~ mkup.superscript ~ "}"
-           ~ mkup.mark_internal_site_lnk
-           ~ tag_in_seg["seg_lv4"]
-           ~ ".fnSuffix#noteref_"
-           ~ m["num"]) ~ " "
-           ~ m["note"] ~ "』"
-        );
-    }
-    return object_notes;
-  }
-#+END_SRC
-
-****** gathered notes
-
-#+name: meta_emitters_endnotes
-#+BEGIN_SRC d
-  private auto gathered_notes() {
-    string[][string] endnotes_;
-    if (object_notes.length > 1) {
-      endnotes_["notes"] = (object_notes["notes"].split(rgx.break_string))[0..$-1];
-      endnotes_["anchor"] = (object_notes["anchor"].split(rgx.break_string))[0..$-1];
-    } else {
-      endnotes_["notes"] = [];
-      endnotes_["anchor"] = [];
-    }
-    return endnotes_;
-  }
-#+END_SRC
-
-****** endnote objects
-
-#+name: meta_emitters_endnotes
-#+BEGIN_SRC d
-  private auto endnote_objects(N,O)(
-    N              obj_cite_digits,
-    O              opt_action,
-  ) {
-    mixin DocReformNode;
-    ObjGenericComposite[] the_endnotes_section;
-    auto endnotes_ = gathered_notes();
-    string type_is;
-    string lev, lev_markup_number, lev_collapsed_number;
-    string attrib;
-    int[string] indent;
-    ObjGenericComposite comp_obj_heading_;
-    if ((endnotes_["notes"].length > 0)
-    && (opt_action.backmatter && opt_action.section_endnotes)) {
-      {
-        comp_obj_heading_                                = comp_obj_heading_.init;
-        comp_obj_heading_.metainfo.is_of_part            = "backmatter";
-        comp_obj_heading_.metainfo.is_of_section         = "endnotes";
-        comp_obj_heading_.metainfo.is_of_type            = "para";
-        comp_obj_heading_.metainfo.is_a                  = "heading";
-        comp_obj_heading_.text                           = "Endnotes";
-        comp_obj_heading_.metainfo.ocn                   = 0;
-        comp_obj_heading_.metainfo.identifier            = "";
-        comp_obj_heading_.metainfo.dummy_heading         = false;
-        comp_obj_heading_.metainfo.object_number_off     = true;
-        comp_obj_heading_.metainfo.object_number_type    = 0;
-        comp_obj_heading_.tags.segment_anchor_tag_epub   = "_part_endnotes";
-        comp_obj_heading_.tags.anchor_tag_html           = comp_obj_heading_.tags.segment_anchor_tag_epub;
-        comp_obj_heading_.tags.in_segment_html           = "endnotes";
-        comp_obj_heading_.tags.anchor_tags               = ["section_endnotes"];
-        comp_obj_heading_.metainfo.heading_lev_markup    = 1;
-        comp_obj_heading_.metainfo.heading_lev_collapsed = 1;
-        comp_obj_heading_.metainfo.parent_ocn            = 1;
-        comp_obj_heading_.metainfo.parent_lev_markup     = 0;
-        the_endnotes_section                             ~= comp_obj_heading_;
-        tag_assoc[comp_obj_heading_.tags.anchor_tag_html]["seg_lv4"]              = comp_obj_heading_.tags.in_segment_html;
-        tag_assoc[comp_obj_heading_.tags.segment_anchor_tag_epub]["seg_lv1_to_4"] = comp_obj_heading_.tags.segment_anchor_tag_epub;
-        ++mkn;
-      }
-      {
-        comp_obj_heading_                                = comp_obj_heading_.init;
-        comp_obj_heading_.metainfo.is_of_part            = "backmatter";
-        comp_obj_heading_.metainfo.is_of_section         = "endnotes";
-        comp_obj_heading_.metainfo.is_of_type            = "para";
-        comp_obj_heading_.metainfo.is_a                  = "heading";
-        comp_obj_heading_.text                           = "Endnotes";
-        comp_obj_heading_.metainfo.ocn                   = 0;
-        comp_obj_heading_.metainfo.identifier            = "";
-        comp_obj_heading_.metainfo.dummy_heading         = true;
-        comp_obj_heading_.metainfo.object_number_off     = true;
-        comp_obj_heading_.metainfo.object_number_type    = 0;
-        comp_obj_heading_.tags.segment_anchor_tag_epub   = "endnotes";
-        comp_obj_heading_.tags.anchor_tag_html           = comp_obj_heading_.tags.segment_anchor_tag_epub;
-        comp_obj_heading_.tags.in_segment_html           = comp_obj_heading_.tags.anchor_tag_html;
-        comp_obj_heading_.metainfo.heading_lev_markup    = 4;
-        comp_obj_heading_.metainfo.heading_lev_collapsed = 2;
-        comp_obj_heading_.metainfo.parent_ocn            = 1;
-        comp_obj_heading_.metainfo.parent_lev_markup     = 0;
-        comp_obj_heading_.tags.anchor_tags               = ["endnotes"];
-        the_endnotes_section                             ~= comp_obj_heading_;
-        tag_assoc[comp_obj_heading_.tags.anchor_tag_html]["seg_lv4"]              = comp_obj_heading_.tags.in_segment_html;
-        tag_assoc[comp_obj_heading_.tags.segment_anchor_tag_epub]["seg_lv1_to_4"] = comp_obj_heading_.tags.segment_anchor_tag_epub;
-        ++mkn;
-      }
-    } else {
-      comp_obj_heading_                                = comp_obj_heading_.init;
-      comp_obj_heading_.metainfo.is_of_part            = "empty";
-      comp_obj_heading_.metainfo.is_of_section         = "empty";
-      comp_obj_heading_.metainfo.is_of_type            = "para";
-      comp_obj_heading_.metainfo.is_a                  = "heading";
-      comp_obj_heading_.text                           = "(skip) there are no Endnotes";
-      comp_obj_heading_.metainfo.ocn                   = 0;
-      comp_obj_heading_.metainfo.identifier            = "";
-      comp_obj_heading_.metainfo.dummy_heading         = true;
-      comp_obj_heading_.metainfo.object_number_off     = true;
-      comp_obj_heading_.metainfo.object_number_type    = 0;
-      comp_obj_heading_.metainfo.heading_lev_markup    = 1;
-      comp_obj_heading_.metainfo.heading_lev_collapsed = 1;
-      comp_obj_heading_.metainfo.parent_ocn            = 1;
-      comp_obj_heading_.metainfo.parent_lev_markup     = 0;
-      the_endnotes_section                             ~= comp_obj_heading_;
-    }
-    if (opt_action.backmatter && opt_action.section_endnotes) {
-      ObjGenericComposite comp_obj_endnote_;
-      comp_obj_endnote_                                = comp_obj_endnote_.init;
-      comp_obj_endnote_.metainfo.is_of_part            = "backmatter";
-      comp_obj_endnote_.metainfo.is_of_section         = "endnote";
-      comp_obj_endnote_.metainfo.is_of_type            = "para";
-      comp_obj_endnote_.metainfo.is_a                  = "endnote";
-      comp_obj_endnote_.metainfo.ocn                   = 0;
-      comp_obj_endnote_.metainfo.identifier            = "";
-      // comp_obj_heading_.metainfo.dummy_heading         = false;
-      comp_obj_heading_.metainfo.object_number_off     = true; // check
-      comp_obj_heading_.metainfo.object_number_type    = 0; // check
-      comp_obj_endnote_.attrib.indent_hang             = 0;
-      comp_obj_endnote_.attrib.indent_base             = 0;
-      comp_obj_endnote_.attrib.bullet                  = false;
-      foreach (i, endnote; endnotes_["notes"]) {
-        auto     m                                     = endnote.matchFirst(rgx.note_ref);
-        string   notenumber                            = m["ref"].to!string;
-        string   anchor_tag                            = "note_" ~ notenumber;
-        comp_obj_endnote_.tags.anchor_tags             = [ endnotes_["anchor"][i] ];
-        comp_obj_endnote_.has.inline_links             = true;
-        comp_obj_endnote_.text                         = endnote.inline_markup_faces.strip;
-        the_endnotes_section                           ~= comp_obj_endnote_;
-      }
-    }
-    auto t = tuple(the_endnotes_section, obj_cite_digits);
-    return t;
-  }
-#+END_SRC
-
-***** }
-
-#+name: meta_emitters_endnotes
-#+BEGIN_SRC d
-}
-#+END_SRC
-
-**** bibliography                                           :bibliography:
-***** { biblio struct
-
-#+name: meta_emitters_bibliography
-#+BEGIN_SRC d
-struct Bibliography {
-#+END_SRC
-
-****** biblio
-
-#+name: meta_emitters_bibliography
-#+BEGIN_SRC d
-  public JSONValue[] flow_bibliography_()(
-    return ref string[]    biblio_unsorted_incomplete,
-    return ref JSONValue[] bib_arr_json
-  ) {
-    JSONValue[] biblio_unsorted
-      = biblio_make_unsorted_array_of_json_objects(biblio_unsorted_incomplete, bib_arr_json); // TODO lookat returns
-    biblio_arr_json = [];
-    biblio_unsorted_incomplete = [];
-    JSONValue[] biblio_sorted__ = biblio_sort(biblio_unsorted);
-    debug(biblio0) {
-      biblio_debug(biblio_sorted__);
-      writeln("---");
-      writeln("unsorted incomplete: ", biblio_unsorted_incomplete.length);
-      writeln("json:                ", bib_arr_json.length);
-      writeln("unsorted:            ", biblio_unsorted.length);
-      writeln("sorted:              ", biblio_sorted__.length);
-      int cntr;
-      int[7] x;
-      while (cntr < x.length) {
-        writeln(cntr, ": ", biblio_sorted__[cntr]["fulltitle"]);
-        cntr++;
-      }
-    }
-    return biblio_sorted__;
-  }
-#+END_SRC
-
-****** biblio unsorted complete
-
-#+name: meta_emitters_bibliography
-#+BEGIN_SRC d
-  final private JSONValue[] biblio_make_unsorted_array_of_json_objects()(
-    string[]      biblio_unordered,
-    JSONValue[]   bib_arr_json
-  ) {
-    foreach (bibent; biblio_unordered) {
-      /+ update bib to include deemed_author, needed for:
-        sort_bibliography_array_by_deemed_author_year_title
-        either: sort on multiple fields, or; create such sort field
-      +/
-      JSONValue j = parseJSON(bibent);
-      if (!empty(j["fulltitle"].str)) {
-        if (!empty(j["author_raw"].str)) {
-          j["deemed_author"]=j["author_arr"][0];
-        } else if (!empty(j["editor_raw"].str)) {
-          j["deemed_author"]=j["editor_arr"][0];
-        }
-        j["sortby_deemed_author_year_title"] = (
-          j["deemed_author"].str ~
-           "; " ~
-           j["year"].str ~
-           "; "  ~
-           j["fulltitle"].str
-        );
-      }
-      bib_arr_json ~= j;
-    }
-    return bib_arr_json.dup;
-  }
-#+END_SRC
-
-****** biblio sort
-
-#+name: meta_emitters_bibliography
-#+BEGIN_SRC d
-  final private JSONValue[] biblio_sort()(JSONValue[] biblio_unordered) {
-    JSONValue[] biblio_sorted_;
-    biblio_sorted_
-      = sort!((a, b){
-        return ((a["sortby_deemed_author_year_title"].str) < (b["sortby_deemed_author_year_title"].str));
-      })(biblio_unordered).array;
-    debug(bibliosorted) {
-      foreach (j; biblio_sorted_) {
-        if (!empty(j["fulltitle"].str)) {
-          writeln(j["sortby_deemed_author_year_title"]);
-        }
-      }
-    }
-    return biblio_sorted_;
-  }
-#+END_SRC
-
-****** biblio debug
-
-#+name: meta_emitters_bibliography
-#+BEGIN_SRC d
-  void biblio_debug()(JSONValue[] biblio_sorted) {
-    debug(biblio0) {
-      foreach (j; biblio_sorted) {
-        if (!empty(j["fulltitle"].str)) {
-          writeln(j["sortby_deemed_author_year_title"]);
-        }
-      }
-    }
-  }
-#+END_SRC
-
-***** }
-
-#+name: meta_emitters_bibliography
-#+BEGIN_SRC d
-}
-#+END_SRC
-
-**** node structure metadata                     :structure:metadata:node:
-***** { metadata node struct
-
-#+name: meta_emitters_metadata
-#+BEGIN_SRC d
-struct NodeStructureMetadata {
-  int lv, lv0, lv1, lv2, lv3, lv4, lv5, lv6, lv7;
-  int obj_cite_digit;
-  int[string] p_; // p_ parent_
-  static auto rgx = Rgx();
-#+END_SRC
-
-****** node metadata emitter
-
-#+name: meta_emitters_metadata
-#+BEGIN_SRC d
-  ObjGenericComposite node_location_emitter(La,Ta,N)(
-    string         lev_markup_number,
-    string[string] tag_in_seg,
-    La             lev_anchor_tag,
-    Ta             tag_assoc,
-    N              obj_cite_digits,
-    int            cntr_,
-    int            ptr_,
-    string         is_
-  ) {
-    debug(asserts) {
-      static assert(is(typeof(obj_cite_digits.object_number) == int));
-    }
-    assert(is_ != "heading");
-    assert(obj_cite_digits.object_number.to!int >= 0);
-    assert(is_ != "heading");                          // should not be necessary
-    assert(obj_cite_digits.object_number.to!int >= 0); // should not be necessary
-    if (lv7 > State.off) {
-      p_["lev_markup_number"] = DocStructMarkupHeading.h_text_4;
-      p_["object_number"] = lv7;
-    } else if (lv6 > State.off) {
-      p_["lev_markup_number"] = DocStructMarkupHeading.h_text_3;
-      p_["object_number"] = lv6;
-    } else if (lv5 > State.off) {
-      p_["lev_markup_number"] = DocStructMarkupHeading.h_text_2;
-      p_["object_number"] = lv5;
-    } else {
-      p_["lev_markup_number"] = DocStructMarkupHeading.h_text_1;
-      p_["object_number"] = lv4;
-    }
-    ObjGenericComposite comp_obj_location;
-    comp_obj_location                              = comp_obj_location.init;
-    comp_obj_location.metainfo.is_a                = is_;
-    comp_obj_location.metainfo.ocn                 = obj_cite_digits.object_number;
-    comp_obj_location.metainfo.identifier          = obj_cite_digits.identifier;
-    comp_obj_location.tags.anchor_tag_html         = tag_in_seg["seg_lv4"];
-    comp_obj_location.tags.segment_anchor_tag_epub = tag_in_seg["seg_lv1_to_4"];
-    comp_obj_location.tags.heading_lev_anchor_tag  = lev_anchor_tag;
-    comp_obj_location.metainfo.parent_ocn          = p_["object_number"];
-    comp_obj_location.metainfo.parent_lev_markup   = p_["lev_markup_number"];
-    debug(_node) {
-      if (lev_markup_number.match(rgx.levels_numbered_headings)) {
-        writeln("x ", _node.to!string);
-      } else {
-        writeln("- ", _node.to!string);
-      }
-    }
-    assert(comp_obj_location.metainfo.parent_lev_markup >= 4);
-    assert(comp_obj_location.metainfo.parent_lev_markup <= 7);
-    assert(comp_obj_location.metainfo.parent_ocn >= 0);
-    return comp_obj_location;
-  }
-  invariant() {
-  }
-#+END_SRC
-
-****** node metadata emitter heading, (including most segnames & their pointers)
-
-#+name: meta_emitters_metadata
-#+BEGIN_SRC d
-  ObjGenericComposite node_emitter_heading(Hd,TaL,TA,N,fNr,fNs,fL)(
-    string         _text,
-    string         lev_markup_number,
-    string         lev_collapsed_number,
-    Hd             dummy_heading_status,
-    string[string] tag_in_seg,
-    TaL            lev_anchor_tag,
-    TA             tag_assoc,
-    N              obj_cite_digits,
-    int            cntr_,
-    int            ptr_,
-    string[]       lv_ancestors_txt,
-    string         is_,
-    int            html_segnames_ptr,
-    fNr            flag_notes_reg,
-    fNs            flag_notes_star,
-    fL             flag_links,
-  ) {
-    debug(asserts) {
-      static assert(is(typeof(lev)                                       == string));
-      static assert(is(typeof(obj_cite_digits.object_number)             == int));
-    }
-    assert(is_ == "heading");
-    assert((obj_cite_digits.object_number).to!int >= 0);
-    assert(
-      lev_markup_number.match(rgx.levels_numbered),
-      ("not a valid heading level: " ~ lev_markup_number ~ " at " ~ obj_cite_digits.object_number.to!string)
-    );
-    if (lev_markup_number.match(rgx.levels_numbered)) {
-      if (lev_markup_number.to!int == 0) {
-        /+ TODO first hit (of two) with this assertion failure, check, fix & reinstate
-        assert(obj_cite_digits.object_number.to!int == 1,
-          "ERROR header lev markup number is: " ~
-          lev_markup_number.to!string ~
-          " obj_cite_digits.object_number.to!int should == 1 but is: " ~
-           obj_cite_digits.object_number.to!string ~
-          "\n" ~ _text);
-        +/
-      }
-    }
-    switch (lev_markup_number.to!int) {
-    case 0:
-      lv = DocStructMarkupHeading.h_sect_A;
-      lv0 = obj_cite_digit;
-      lv1=0; lv2=0; lv3=0; lv4=0; lv5=0; lv6=0; lv7=0;
-      p_["lev_markup_number"] = 0;
-      p_["object_number"] = 0;
-      break;
-    case 1:
-      lv = DocStructMarkupHeading.h_sect_B;
-      lv1 = obj_cite_digit;
-      lv2=0; lv3=0; lv4=0; lv5=0; lv6=0; lv7=0;
-      p_["lev_markup_number"]
-        = DocStructMarkupHeading.h_sect_A;
-      p_["object_number"] = lv0;
-      break;
-    case 2:
-      lv = DocStructMarkupHeading.h_sect_C;
-      lv2 = obj_cite_digit;
-      lv3=0; lv4=0; lv5=0; lv6=0; lv7=0;
-      p_["lev_markup_number"]
-        = DocStructMarkupHeading.h_sect_B;
-      p_["object_number"] = lv1;
-      break;
-    case 3:
-      lv = DocStructMarkupHeading.h_sect_D;
-      lv3=obj_cite_digit;
-      lv4=0; lv5=0; lv6=0; lv7=0;
-      p_["lev_markup_number"]
-        = DocStructMarkupHeading.h_sect_C;
-      p_["object_number"] = lv2;
-      break;
-    case 4:
-      lv = DocStructMarkupHeading.h_text_1;
-      lv4 = obj_cite_digit;
-      lv5=0; lv6=0; lv7=0;
-      if (lv3 > State.off) {
-        p_["lev_markup_number"]
-          = DocStructMarkupHeading.h_sect_D;
-        p_["object_number"] = lv3;
-      } else if (lv2 > State.off) {
-        p_["lev_markup_number"]
-          = DocStructMarkupHeading.h_sect_C;
-        p_["object_number"] = lv2;
-      } else if (lv1 > State.off) {
-        p_["lev_markup_number"]
-          = DocStructMarkupHeading.h_sect_B;
-        p_["object_number"] = lv1;
-      } else {
-        p_["lev_markup_number"]
-          = DocStructMarkupHeading.h_sect_A;
-        p_["object_number"] = lv0;
-      }
-      break;
-    case 5:
-      lv = DocStructMarkupHeading.h_text_2;
-      lv5 = obj_cite_digit;
-      lv6=0; lv7=0;
-      p_["lev_markup_number"]
-        = DocStructMarkupHeading.h_text_1;
-      p_["object_number"] = lv4;
-      break;
-    case 6:
-      lv = DocStructMarkupHeading.h_text_3;
-      lv6 = obj_cite_digit;
-      lv7=0;
-      p_["lev_markup_number"]
-        = DocStructMarkupHeading.h_text_2;
-      p_["object_number"] = lv5;
-      break;
-    case 7:
-      lv = DocStructMarkupHeading.h_text_4;
-      lv7 = obj_cite_digit;
-      p_["lev_markup_number"]
-        = DocStructMarkupHeading.h_text_3;
-      p_["object_number"] = lv6;
-      break;
-    default:
-      break;
-    }
-    ObjGenericComposite _comp_obj_heading_;
-    _comp_obj_heading_                                  = _comp_obj_heading_.init;
-    _comp_obj_heading_.metainfo.is_of_part              = "body";
-    _comp_obj_heading_.metainfo.is_of_section           = "body";
-    _comp_obj_heading_.metainfo.is_of_type              = "para";
-    _comp_obj_heading_.metainfo.is_a                    = "heading";
-    _comp_obj_heading_.text                             = _text.to!string.strip;
-    _comp_obj_heading_.metainfo.ocn                     = obj_cite_digits.object_number;
-    _comp_obj_heading_.metainfo.identifier              = obj_cite_digits.identifier;
-    _comp_obj_heading_.metainfo.dummy_heading           = (dummy_heading_status == "t") ? true: false;
-    _comp_obj_heading_.metainfo.object_number_off       = obj_cite_digits.off;
-    // _comp_obj_heading_.metainfo.o_n_book_index       = obj_cite_digits.bkidx;
-    _comp_obj_heading_.metainfo.object_number_type      = obj_cite_digits.type;
-    _comp_obj_heading_.tags.segment_anchor_tag_epub     = tag_in_seg["seg_lv1_to_4"];
-    _comp_obj_heading_.tags.anchor_tag_html             = tag_in_seg["seg_lv4"];
-    _comp_obj_heading_.tags.in_segment_html             = _comp_obj_heading_.tags.anchor_tag_html;
-    _comp_obj_heading_.tags.heading_lev_anchor_tag      = lev_anchor_tag;
-    _comp_obj_heading_.tags.html_segment_anchor_tag_is  = tag_in_seg["seg_lv4"];
-    _comp_obj_heading_.tags.epub_segment_anchor_tag_is  = tag_in_seg["seg_lv1_to_4"];
-    _comp_obj_heading_.metainfo.heading_lev_markup      = (!(lev_markup_number.empty) ? lev_markup_number.to!int : 0);
-    _comp_obj_heading_.metainfo.heading_lev_collapsed   = (!(lev_collapsed_number.empty) ? lev_collapsed_number.to!int : 0);
-    _comp_obj_heading_.metainfo.parent_ocn              = p_["object_number"];
-    _comp_obj_heading_.metainfo.parent_lev_markup       = p_["lev_markup_number"];
-    _comp_obj_heading_.tags.heading_ancestors_text      = lv_ancestors_txt;
-    _comp_obj_heading_.ptr.doc_object                   = cntr_;
-    _comp_obj_heading_.ptr.html_segnames                = ((lev_markup_number == "4") ? html_segnames_ptr : 0);
-    _comp_obj_heading_.ptr.heading                      = ptr_;
-    _comp_obj_heading_.has.inline_notes_reg             = flag_notes_reg;
-    _comp_obj_heading_.has.inline_notes_star            = flag_notes_star;
-    _comp_obj_heading_.has.inline_links                 = flag_links;
-    tag_assoc[_comp_obj_heading_.tags.anchor_tag_html]["seg_lv4"]              = _comp_obj_heading_.tags.in_segment_html;
-    tag_assoc[_comp_obj_heading_.tags.segment_anchor_tag_epub]["seg_lv1_to_4"] = _comp_obj_heading_.tags.segment_anchor_tag_epub;
-    debug(_node) {
-      if (lev_markup_number.match(rgx.levels_numbered_headings)) {
-        writeln("* ", _node.to!string);
-      }
-    }
-    debug(nodeheading) {
-      if (lev_markup_number.match(rgx.levels_numbered_headings)) {
-        writeln("* ", _node.to!string);
-      }
-    }
-    assert(_comp_obj_heading_.metainfo.parent_lev_markup <= 7);
-    assert(_comp_obj_heading_.metainfo.parent_ocn >= 0);
-    if (lev_markup_number.match(rgx.levels_numbered_headings)) {
-      assert(_comp_obj_heading_.metainfo.heading_lev_markup <= 7);
-      assert(_comp_obj_heading_.metainfo.ocn >= 0);
-      if (_comp_obj_heading_.metainfo.parent_lev_markup > 0) {
-        assert(_comp_obj_heading_.metainfo.parent_lev_markup < _comp_obj_heading_.metainfo.heading_lev_markup);
-        if (_comp_obj_heading_.metainfo.ocn != 0) {
-          assert(_comp_obj_heading_.metainfo.parent_ocn < _comp_obj_heading_.metainfo.ocn);
-        }
-      }
-      if (_comp_obj_heading_.metainfo.heading_lev_markup == 0) {
-        assert(_comp_obj_heading_.metainfo.parent_lev_markup == DocStructMarkupHeading.h_sect_A);
-      } else if  (_comp_obj_heading_.metainfo.heading_lev_markup == DocStructMarkupHeading.h_sect_B) {
-        assert(_comp_obj_heading_.metainfo.parent_lev_markup == DocStructMarkupHeading.h_sect_A);
-      } else if  (_comp_obj_heading_.metainfo.heading_lev_markup == DocStructMarkupHeading.h_sect_C) {
-        assert(_comp_obj_heading_.metainfo.parent_lev_markup == DocStructMarkupHeading.h_sect_B);
-      } else if  (_comp_obj_heading_.metainfo.heading_lev_markup == DocStructMarkupHeading.h_sect_D) {
-        assert(_comp_obj_heading_.metainfo.parent_lev_markup == DocStructMarkupHeading.h_sect_C);
-      } else if  (_comp_obj_heading_.metainfo.heading_lev_markup == DocStructMarkupHeading.h_text_1) {
-        assert(_comp_obj_heading_.metainfo.parent_lev_markup <= DocStructMarkupHeading.h_sect_D);
-      } else if  (_comp_obj_heading_.metainfo.heading_lev_markup == DocStructMarkupHeading.h_text_2) {
-        assert(_comp_obj_heading_.metainfo.parent_lev_markup == DocStructMarkupHeading.h_text_1);
-      } else if  (_comp_obj_heading_.metainfo.heading_lev_markup == DocStructMarkupHeading.h_text_3) {
-        assert(_comp_obj_heading_.metainfo.parent_lev_markup == DocStructMarkupHeading.h_text_2);
-      } else if  (_comp_obj_heading_.metainfo.heading_lev_markup == DocStructMarkupHeading.h_text_4) {
-        assert(_comp_obj_heading_.metainfo.parent_lev_markup == DocStructMarkupHeading.h_text_3);
-      } else if  (_comp_obj_heading_.metainfo.heading_lev_markup == DocStructMarkupHeading.h_text_5) {
-      }
-    }
-    return _comp_obj_heading_;
-  }
-  invariant() {
-  }
-#+END_SRC
-
-***** }
-
-#+name: meta_emitters_metadata
-#+BEGIN_SRC d
-}
-#+END_SRC
-
-*** function assertions                                        :assertions:
-**** assertions on markup document structure               :doc_structure:
-
-#+name: abs_functions_assertions
-#+BEGIN_SRC d
-pure void assertions_doc_structure()(
-  string[string]  an_object,
-  int[string]     lv
-) {
-  if (lv["h3"] > State.off) {
-    assert(lv["h0"] > State.off);
-    assert(lv["h1"] > State.off);
-    assert(lv["h2"] > State.off);
-  } else if (lv["h2"] > State.off) {
-    assert(lv["h0"] > State.off);
-    assert(lv["h1"] > State.off);
-    assert(lv["h3"] == State.off);
-  } else if (lv["h1"] > State.off) {
-    assert(lv["h0"] > State.off);
-    assert(lv["h2"] == State.off);
-    assert(lv["h3"] == State.off);
-  } else if (lv["h0"] > State.off) {
-    assert(lv["h1"] == State.off);
-    assert(lv["h2"] == State.off);
-    assert(lv["h3"] == State.off);
-  } else {
-    assert(lv["h0"] == State.off);
-    assert(lv["h1"] == State.off);
-    assert(lv["h2"] == State.off);
-    assert(lv["h3"] == State.off);
-  }
-  if (lv["h7"] > State.off) {
-    assert(lv["h4"] > State.off);
-    assert(lv["h5"] > State.off);
-    assert(lv["h6"] > State.off);
-  } else if (lv["h6"] > State.off) {
-    assert(lv["h4"] > State.off);
-    assert(lv["h5"] > State.off);
-    assert(lv["h7"] == State.off);
-  } else if (lv["h5"] > State.off) {
-    assert(lv["h4"] > State.off);
-    assert(lv["h6"] == State.off);
-    assert(lv["h7"] == State.off);
-  } else if (lv["h4"] > State.off) {
-    assert(lv["h5"] == State.off);
-    assert(lv["h6"] == State.off);
-    assert(lv["h7"] == State.off);
-  } else {
-    assert(lv["h4"] == State.off);
-    assert(lv["h5"] == State.off);
-    assert(lv["h6"] == State.off);
-    assert(lv["h7"] == State.off);
-  }
-  if (lv["h0"] == State.off) {
-    assert(lv["h1"] == State.off);
-    assert(lv["h2"] == State.off);
-    assert(lv["h3"] == State.off);
-    assert(lv["h4"] == State.off);
-    assert(lv["h5"] == State.off);
-    assert(lv["h6"] == State.off);
-    assert(lv["h7"] == State.off);
-  }
-  if (lv["h1"] == State.off) {
-    assert(lv["h2"] == State.off);
-    assert(lv["h3"] == State.off);
-  }
-  if (lv["h2"] == State.off) {
-    assert(lv["h3"] == State.off);
-  }
-  if (lv["h3"] == State.off) {
-  }
-  if (lv["h4"] == State.off) {
-    assert(lv["h5"] == State.off);
-    assert(lv["h6"] == State.off);
-    assert(lv["h7"] == State.off);
-  }
-  if (lv["h5"] == State.off) {
-    assert(lv["h6"] == State.off);
-    assert(lv["h7"] == State.off);
-  }
-  if (lv["h6"] == State.off) {
-    assert(lv["h7"] == State.off);
-  }
-  if (lv["h7"] == State.off) {
-  }
-  switch ((an_object["lev"]).to!string) {
-  case "A":
-    if (lv["h0"] == State.off) {
-      assert(lv["h1"] == State.off);
-      assert(lv["h2"] == State.off);
-      assert(lv["h3"] == State.off);
-      assert(lv["h4"] == State.off);
-      assert(lv["h5"] == State.off);
-      assert(lv["h6"] == State.off);
-      assert(lv["h7"] == State.off);
-    } else {                       // (lv["h0"] > State.off)
-      assert(lv["h0"] == State.off,"error should not enter level A a second time");
-    }
-    break;
-  case "B":
-    if (lv["h1"] == State.off) {
-      assert(lv["h0"] > State.off);
-      assert(lv["h2"] == State.off);
-      assert(lv["h3"] == State.off);
-    } else {                       // (lv["h1"] > State.off)
-      assert(lv["h0"] > State.off);
-      assert(lv["h1"] > State.off);
-    }
-    break;
-  case "C":
-    if (lv["h2"] == State.off) {
-      assert(lv["h0"] > State.off);
-      assert(lv["h1"] > State.off);
-      assert(lv["h3"] == State.off);
-    } else {                       // (lv["h2"] > State.off)
-      assert(lv["h0"] > State.off);
-      assert(lv["h1"] > State.off);
-      assert(lv["h2"] > State.off);
-    }
-    break;
-  case "D":
-    if (lv["h3"] == State.off) {
-      assert(lv["h0"] > State.off);
-      assert(lv["h1"] > State.off);
-      assert(lv["h2"] > State.off);
-    } else {                      // (lv["h3"] > State.off)
-      assert(lv["h0"] > State.off);
-      assert(lv["h1"] > State.off);
-      assert(lv["h2"] > State.off);
-      assert(lv["h3"] > State.off);
-    }
-    break;
-  case "1":
-    if (lv["h4"] == State.off) {
-      assert(lv["h0"] > State.off);
-    } else {                      // (lv["h4"] > State.off)
-      assert(lv["h0"] > State.off);
-      assert(lv["h4"] > State.off);
-    }
-    break;
-  case "2":
-    if (lv["h5"] == State.off) {
-      assert(lv["h0"] > State.off);
-      assert(lv["h4"] > State.off);
-    } else {                      // (lv["h5"] > State.off)
-      assert(lv["h0"] > State.off);
-      assert(lv["h4"] > State.off);
-      assert(lv["h5"] > State.off);
-    }
-    break;
-  case "3":
-    if (lv["h6"] == State.off) {
-      assert(lv["h0"] > State.off);
-      assert(lv["h4"] > State.off);
-      assert(lv["h5"] > State.off);
-    } else {                      // (lv["h6"] > State.off)
-      assert(lv["h0"] > State.off);
-      assert(lv["h4"] > State.off);
-      assert(lv["h5"] > State.off);
-      assert(lv["h6"] > State.off);
-    }
-    break;
-  case "4":
-    if (lv["h7"] == State.off) {
-      assert(lv["h0"] > State.off);
-      assert(lv["h4"] > State.off);
-      assert(lv["h5"] > State.off);
-      assert(lv["h6"] > State.off);
-    } else {                      // (lv["h7"] > State.off)
-      assert(lv["h0"] > State.off);
-      assert(lv["h4"] > State.off);
-      assert(lv["h5"] > State.off);
-      assert(lv["h6"] > State.off);
-      assert(lv["h7"] > State.off);
-    }
-    break;
-  default:
-    break;
-  }
-}
-#+END_SRC
-
-**** assertions on blocks                                         :blocks:
-
-#+name: abs_functions_assertions
-#+BEGIN_SRC d
-pure void assertions_flag_types_block_status_none_or_closed()(int[string] obj_type_status) {
-  assert(
-    (obj_type_status["code"] == TriState.off)
-    || (obj_type_status["code"] == TriState.closing),
-    "code block status: off or closing");
-  assert(
-    (obj_type_status["poem"] == TriState.off)
-    || (obj_type_status["poem"] == TriState.closing),
-    "poem status: off or closing");
-  assert(
-    (obj_type_status["table"] == TriState.off)
-    || (obj_type_status["table"] == TriState.closing),
-    "table status: off or closing");
-  assert(
-    (obj_type_status["group"] == TriState.off)
-    || (obj_type_status["group"] == TriState.closing),
-    "group block status: off or closing");
-  assert(
-    (obj_type_status["block"] == TriState.off)
-    || (obj_type_status["block"] == TriState.closing),
-    "block status: off or closing");
-}
-#+END_SRC
-
-*** doc sect keys seq
-
-#+name: template_doc_sect_keys_seq
-#+BEGIN_SRC d
-template docSectKeysSeq() {
-  auto docSectKeysSeq(string[][string] document_section_keys_sequenced) {
-    struct doc_sect_keys_seq {
-      string[] scroll() {
-        return document_section_keys_sequenced["scroll"];
-      }
-      string[] seg() {
-        return document_section_keys_sequenced["seg"];
-      }
-      string[] sql() {
-        return document_section_keys_sequenced["sql"];
-      }
-      string[] latex() {
-        return document_section_keys_sequenced["latex"];
-      }
-    }
-    return doc_sect_keys_seq();
-  }
-}
-#+END_SRC
-
-* 2. Object Setter (Set Abstract Object) :module:spine:meta_object_setter:
-
-set abstracted objects for downstream processing
-
-** _module template_
-
-#+BEGIN_SRC d :tangle "../src/doc_reform/meta/object_setter.d"
-/++
-  object setter:
-  setting of sisu objects for downstream processing
-  meta_object_setter.d
-+/
-module doc_reform.meta.object_setter;
-template ObjectSetter() {
-  /+ structs +/
-  <<meta_structs_init>>
-}
-#+END_SRC
-
-** 1. initialize structs                                            :struct:
-*** heading attribute
-
-#+BEGIN_SRC d
-struct HeadingAttrib {
-  string lev                            = "9";
-  int    heading_lev_markup             = 9;
-  int    heading_lev_collapsed          = 9;
-  int[]  closes_lev_collapsed           = [];
-  int[]  closes_lev_markup              = [];
-  int    array_ptr                      = 0;
-  int    heading_array_ptr_segments     = 0;
-}
-#+END_SRC
-
-*** _composite object_ [#A]
-
-#+name: meta_structs_init
-#+BEGIN_SRC d
-struct DocObj_MetaInfo_ {
-  string                 is_of_part                         = ""; // frontmatter, body, backmatter
-  string                 is_of_section                      = ""; // toc, body, glossary, biography, book index, blurb
-  string                 is_of_type                         = ""; // para, block ?
-  string                 is_a                               = ""; // heading, para, table, code block, group, verse/poem ...
-  alias                  of_part                            = is_of_part;
-  alias                  of_section                         = is_of_section;
-  alias                  is_of                              = is_of_type;
-  string                 attrib                             = "";
-  string                 lang                               = ""; // blocks: group, block, quote; not codeblock;
-  string                 syntax                             = ""; // codeblock only
-  /+ o_n +/
-  int                    o_n_substantive                    = 0;
-  int                    o_n_non_substantive                = 0;
-  int                    o_n_glossary                       = 0;
-  int                    o_n_bibliography                   = 0;
-  int                    o_n_book_index                     = 0;
-  int                    o_n_blurb                          = 0;
-  string object_number_substantive() const @property {
-    return (o_n_substantive==0) ? "" : o_n_substantive.to!string;
-  }
-  string object_number_non_substantive() const @property {
-    return (o_n_non_substantive==0) ? "" : o_n_non_substantive.to!string;
-  }
-  string object_number_glossary() const @property {
-    return (o_n_glossary==0) ? "" : o_n_glossary.to!string;
-  }
-  string object_number_bibliography() const @property {
-    return (o_n_bibliography==0) ? "" : o_n_bibliography.to!string;
-  }
-  string object_number_book_index() const @property {
-    return (o_n_book_index==0) ? "" : o_n_book_index.to!string;
-  }
-  string object_number_blurb() const @property {
-    return (o_n_blurb==0) ? "" : o_n_blurb.to!string;
-  }
-  bool                   object_number_off                  = false;
-  bool                   visible_object_number              = false;
-  int                    object_number_type                 = 0; // { ocn, non, bkidx }
-  /+ node +/
-  string[string][string] node;
-  int                    ocn                                = 0;
-  string                 identifier                         = "";
-  string object_number() const @property {
-    return (ocn==0) ? "" : ocn.to!string;
-  }
-  int                    o_n_type                           = 0;
-  int                    heading_lev_markup                 = 9;
-  int                    heading_lev_collapsed              = 9;
-  string marked_up_level() const @property {
-    string _out;
-    switch (heading_lev_markup) {
-    case 0  : _out = "A"; break;
-    case 1  : _out = "B"; break;
-    case 2  : _out = "C"; break;
-    case 3  : _out = "D"; break;
-    case 4  : _out = "1"; break;
-    case 5  : _out = "2"; break;
-    case 6  : _out = "3"; break;
-    case 7  : _out = "4"; break;
-    default : _out = "";  break; // "9";
-    }
-    return _out;
-  }
-  bool                   dummy_heading                       = false;
-  int[]                  markedup_ancestors                  = [ 0, 0, 0, 0, 0, 0, 0, 0,];
-  int[]                  collapsed_ancestors                 = [ 0, 0, 0, 0, 0, 0, 0, 0,];
-  int[]                  dom_structure_markedup_tags_status  = [ 0, 0, 0, 0, 0, 0, 0, 0,];
-  int[]                  dom_structure_collapsed_tags_status = [ 0, 0, 0, 0, 0, 0, 0, 0,];
-  int                    parent_lev_markup                   = 0;
-  int                    parent_ocn                          = 0;
-  int                    last_decendant_ocn                  = 0;
-}
-#+END_SRC
-
-**** object text attributes
-
-#+name: meta_structs_init
-#+BEGIN_SRC d
-struct DocObj_TxtAttrib_ {
-  int                    indent_base                         = 0;
-  int                    indent_hang                         = 0;
-  bool                   bullet                              = false;
-  string                 language                            = "";
-}
-#+END_SRC
-
-**** object has within it
-
-#+name: meta_structs_init
-#+BEGIN_SRC d
-struct DocObj_Has_ {
-  bool                   inline_links                        = false;
-  bool                   inline_notes_reg                    = false;
-  bool                   inline_notes_star                   = false;
-  bool                   images                              = false;
-  bool                   image_without_dimensions            = false;
-}
-#+END_SRC
-
-**** table attributes
-
-#+name: meta_structs_init
-#+BEGIN_SRC d
-struct DocObj_Table_ {
-  int                    number_of_columns                   = 0;
-  double[]               column_widths                       = [];
-  string[]               column_aligns                       = [];
-  bool                   heading                             = false;
-  bool                   walls                               = false;
-}
-#+END_SRC
-
-**** code attributes
-
-#+name: meta_structs_init
-#+BEGIN_SRC d
-struct DocObj_CodeBlock_ {
-  string                 syntax                              = "";
-  bool                   linenumbers                         = false;
-}
-#+END_SRC
-
-**** stow (things to be protected from regular text transformations, so far links)
-
-#+name: meta_structs_init
-#+BEGIN_SRC d
-struct DocObj_Stow_ {
-  string[]               link                               = [];
-}
-#+END_SRC
-
-**** pointers
-
-#+name: meta_structs_init
-#+BEGIN_SRC d
-struct DocObj_Pointer_ {
-  int                    doc_object                          = 0;
-  int                    html_segnames                       = 0;
-  int                    heading                             = 0;
-}
-#+END_SRC
-
-**** tags
-
-#+name: meta_structs_init
-#+BEGIN_SRC d
-struct DocObj_Tags_ {
-  string[]               heading_ancestors_text              = [ "", "", "", "", "", "", "", "", ];
-  string                 anchor_tag_html                     = "";
-  string                 in_segment_html                     = "";
-  string                 segment_anchor_tag_epub             = "";
-  string                 html_segment_anchor_tag_is          = "";
-  string                 epub_segment_anchor_tag_is          = "";
-  string                 heading_lev_anchor_tag              = "";
-  string                 segname_prev                        = "";
-  string                 segname_next                        = "";
-  string[]               lev4_subtoc                         = [];
-  string[]               anchor_tags                         = [];
-}
-#+END_SRC
-
-**** composite object the parts
-
-#+name: meta_structs_init
-#+BEGIN_SRC d
-struct ObjGenericComposite {
-  string                 text                                = "";
-  DocObj_MetaInfo_       metainfo;
-  DocObj_TxtAttrib_      attrib;
-  DocObj_Tags_           tags;
-  DocObj_Has_            has;
-  DocObj_Table_          table;
-  DocObj_CodeBlock_      code_block;
-  DocObj_Stow_           stow;
-  DocObj_Pointer_        ptr;
-}
-#+END_SRC
-
-*** The Objects: generic composite object array
-
-#+name: meta_structs_init
-#+BEGIN_SRC d
-struct TheObjects {
-  ObjGenericComposite[] oca;
-}
-#+END_SRC
-
-* __END__
diff --git a/org/metaverse.org b/org/metaverse.org
new file mode 100644
index 0000000..e76e7b9
--- /dev/null
+++ b/org/metaverse.org
@@ -0,0 +1,7828 @@
+-*- mode: org -*-
+#+TITLE:       spine (doc_reform) document abstraction
+#+DESCRIPTION: documents - structuring, publishing in multiple formats & search
+#+FILETAGS:    :spine:abstraction:
+#+AUTHOR:      Ralph Amissah
+#+EMAIL:       [[mailto:ralph.amissah@gmail.com][ralph.amissah@gmail.com]]
+#+COPYRIGHT:   Copyright (C) 2015 - 2019 Ralph Amissah
+#+LANGUAGE:    en
+#+STARTUP:     indent content hideblocks hidestars
+#+OPTIONS:     H:3 num:nil toc:t \n:nil @:t ::t |:t ^:nil _:nil -:t f:t *:t <:t
+#+OPTIONS:     TeX:t LaTeX:t skip:nil d:nil todo:t pri:nil tags:not-in-toc
+#+OPTIONS:     author:nil email:nil creator:nil timestamp:nil
+#+PROPERTY:    header-args :padline no :exports code :cache no :noweb yes
+#+EXPORT_SELECT_TAGS:  export
+#+EXPORT_EXCLUDE_TAGS: noexport
+#+TAGS: assert(a) class(c) debug(d) mixin(m) spine(s) tangle(T) template(t) WEB(W) noexport(n)
+
+- [[./spine.org][spine]]  [[./][org/]]
+
+* 1. Document Abstraction
+Process markup document, create document abstraction.
+
+** _module template_                                 :module:metadoc_from_src:
+
+#+BEGIN_SRC d :tangle "../src/doc_reform/meta/metadoc_from_src.d"
+/++
+  document abstraction:
+  abstraction of sisu markup for downstream processing
+  metadoc_from_src.d
++/
+module doc_reform.meta.metadoc_from_src;
+template DocReformDocAbstraction() {
+                                                                                /+ ↓ abstraction imports +/
+  <<abs_top_imports>>
+                                                                                /+ ↓ abstraction mixins +/
+  <<abs_top_mixins>>
+                                                                                /+ ↓ abstraction struct init +/
+  <<abs_top_init_struct>>
+  <<abs_inline_para_tag_associations>>
+                                                                                /+ ↓ abstract marked up document +/
+  auto DocReformDocAbstraction(CMM,Opt,Mf)(
+    char[][]           markup_sourcefile_content,
+    CMM                conf_make_meta,
+    Opt                opt_action,
+    Mf                 manifested,
+    bool               _new_doc
+  ) {
+    static auto rgx = Rgx();
+                                                                                /+ ↓ abstraction init +/
+    <<abs_init_rest>>
+                                                                                /+ abstraction init ↑ +/
+    <<make_tests>>
+                                                                                /+ ↓ ↻ loop markup document/text line by line +/
+    srcDocLoop:
+    foreach (line; markup_sourcefile_content) {                                 /+ ↓ markup document/text line by line +/
+                                                                                // "line" variable can be empty but should never be null
+      <<abs_in_loop_body_00>>
+      if (obj_type_status["code"] == TriState.on) {
+        <<abs_in_loop_body_00_code_block>>
+      } else if (!matchFirst(line, rgx.skip_from_regular_parse)) {              /+ object other than "code block" object +/
+                                                                                /+ (includes regular text paragraph, headings & blocks other than code) +/
+                                                                                /+ heading, glossary, blurb, poem, group, block, quote, table +/
+        <<abs_in_loop_body_non_code_obj>>
+        } else {                                                                /+ not within a block group +/
+          <<abs_in_loop_body_open_block_obj_assert>>
+          if (line.matchFirst(rgx.block_open)) {
+            <<abs_in_loop_body_open_block_obj>>
+          } else if (!line.empty) {                                             /+ line not empty +/
+                                                                                /+ non blocks (headings, paragraphs) & closed blocks +/
+            <<abs_in_loop_body_not_block_obj>>
+          } else if (obj_type_status["blocks"] == TriState.closing) {           /+ line empty, with blocks flag +/
+            <<abs_in_loop_body_not_block_obj_line_empty_blocks_flags>>
+          } else {                                                              /+ line.empty, post contents, empty variables: +/
+            <<abs_in_loop_body_not_block_obj_line_empty>>
+          }                                                                     // close else for line empty
+        }                                                                       // close else for not the above
+      }                                                                         // close after non code, other blocks or regular text
+      <<abs_in_loop_body_01>>
+    }                                                                           /+ ← srcDocLoop closed: loop markup document/text line by line +/
+                                                                                /+ ↓ post loop markup document/text +/
+    <<abs_post>>
+    <<abs_post_doc_reloop_processing>>
+    <<abs_struct_doc_has>>
+    <<abs_return_tuple>>
+                                                                                /+ post loop markup document/text ↑ +/
+  }                                                                             /+ ← closed: abstract doc source +/
+                                                                                /+ ↓ abstraction functions +/
+  <<abs_functions_object_reset>>
+  <<abs_functions_header_set_common>>
+  <<abs_functions_ocn_status>>
+  <<abs_functions_substitutions>>
+  <<abs_functions_block>>
+  <<abs_functions_block_quote>>
+  <<abs_functions_block_group>>
+  <<abs_functions_block_block>>
+  <<abs_functions_block_poem>>
+  <<abs_functions_block_code>>
+  <<abs_functions_block_table>>
+  <<abs_functions_block_biblio>>
+  <<abs_functions_block_line_status_empty>>
+  <<abs_functions_book_index>>
+  <<abs_functions_heading>>
+  <<abs_functions_para>>
+  <<abs_functions_table>>
+                                                                                /+ abstraction functions ↑ +/
+                                                                                /+ ↓ abstraction function emitters +/
+  <<meta_emitters_ocn>>
+                                                                                /+ +/
+  <<meta_emitters_obj_inline_markup_munge>>
+  <<meta_emitters_obj_inline_markup>>
+  <<meta_emitters_obj_inline_markup_and_anchor_tags_and_misc>>
+  <<meta_emitters_obj_inline_markup_table_of_contents>>
+  <<meta_emitters_obj_inline_markup_private>>
+  <<meta_emitters_obj_inline_markup_heading_numbering_segment_anchor_tags>>
+  <<meta_emitters_obj_inline_markup_close>>
+                                                                                /+ +/
+  <<meta_emitters_obj_attributes>>
+  <<meta_emitters_obj_attributes_public>>
+  <<meta_emitters_obj_attributes_private>>
+  <<meta_emitters_obj_attributes_private_an_attribute>>
+  <<meta_emitters_obj_attributes_private_json>>
+  <<meta_emitters_obj_attributes_private_close>>
+                                                                                /+ +/
+  <<meta_emitters_book_index_nugget>>
+  <<meta_emitters_book_index_report_indented>>
+  <<meta_emitters_book_index_report_section>>
+                                                                                /+ +/
+  <<meta_emitters_endnotes>>
+                                                                                /+ +/
+  <<meta_emitters_bibliography>>
+                                                                                /+ +/
+  <<meta_emitters_metadata>>
+                                                                                /+ abstraction functions emitters ↑ +/
+                                                                                /+ ↓ abstraction functions assertions +/
+  <<abs_functions_assertions>>
+                                                                                /+ abstraction functions assertions ↑ +/
+}                                                                               /+ ← closed: template DocReformDocAbstraction +/
+<<template_doc_sect_keys_seq>>
+#+END_SRC
+
+** 1. _pre loop processing_                                              :pre:
+*** imports                                                       :imports:
+[[./meta_defaults.org][meta_defaults]]
+
+#+name: abs_top_imports
+#+BEGIN_SRC d
+import doc_reform.meta;
+import
+  std.algorithm,
+  std.container,
+  std.file,
+  std.json,
+  std.path;
+import
+  doc_reform.meta.defaults,
+  doc_reform.meta.object_setter,
+  doc_reform.meta.rgx;
+#+END_SRC
+
+*** mixins                                                         :mixins:
+
+#+name: abs_top_mixins
+#+BEGIN_SRC d
+mixin ObjectSetter;
+mixin InternalMarkup;
+mixin DocReformRgxInit;
+#+END_SRC
+
+*** initialize                                                 :initialize:
+**** initialize general
+
+#+name: abs_top_init_struct
+#+BEGIN_SRC d
+/+ initialize +/
+ObjGenericComposite[] the_table_of_contents_section;
+ObjGenericComposite[] the_document_head_section, the_document_body_section, the_bibliography_section, the_glossary_section, the_blurb_section;
+ObjGenericComposite[] the_dom_tail_section;
+string[string] an_object, processing;
+string an_object_key;
+string[] anchor_tags;
+string anchor_tag;
+string anchor_tag_;
+string[string] tag_in_seg;
+string lev_anchor_tag;
+string[string][string] tag_assoc;
+string[] lv0_to_3_tags;
+/+ enum +/
+enum State { off, on }
+enum TriState { off, on, closing }
+enum DocStructMarkupHeading {
+  h_sect_A,
+  h_sect_B,
+  h_sect_C,
+  h_sect_D,
+  h_text_1,
+  h_text_2,
+  h_text_3,
+  h_text_4,
+  h_text_5, // extra level, drop
+  content_non_header
+} // header section A-D; header text 1-4
+enum Status { off, on, }
+enum OCNstatus { on, off, bkidx, closing, reset, }
+enum OCN_off_block_status { off, on }
+enum OCNtype { ocn, non, bkidx, }
+/+ biblio variables +/
+string biblio_tag_name, biblio_tag_entry, st;
+string[] biblio_arr_json;
+string biblio_entry_str_json;
+JSONValue[] bib_arr_json;
+int bib_entry;
+/+ counters +/
+int cntr, previous_count, previous_length;
+bool reset_note_numbers=true;
+int[string] line_occur;
+int html_segnames_ptr=0;
+int html_segnames_ptr_cntr=0;
+int verse_line, heading_ptr;
+/+ paragraph attributes +/
+int[string] indent;
+bool bullet = true;
+string content_non_header = "8";
+static auto obj_im = ObjInlineMarkup();
+static auto obj_att = ObjAttributes();
+/+ ocn +/
+struct OCNset {
+  int digit;
+  int object_number;
+  bool off;
+  string identifier;
+  int bkidx;
+  int type;
+}
+OCNset obj_cite_digits;
+int obj_cite_digit_, obj_cite_digit_off, obj_cite_digit_bkidx, obj_cite_digit_type;
+auto object_citation_number = OCNemitter();
+int[] dom_structure_markedup_tags_status         = [ 0, 0, 0, 0, 0, 0, 0, 0, 0,];
+int[] dom_structure_markedup_tags_status_buffer  = [ 0, 0, 0, 0, 0, 0, 0, 0, 0,];
+int[] dom_structure_collapsed_tags_status        = [ 0, 0, 0, 0, 0, 0, 0, 0, 0,];
+int[] dom_structure_collapsed_tags_status_buffer = [ 0, 0, 0, 0, 0, 0, 0, 0, 0,];
+enum DomTags { none, open, close, close_and_open, open_still, }
+#+END_SRC
+
+**** method heading ancestors
+
+#+name: abs_top_init_struct
+#+BEGIN_SRC d
+pure ObjGenericComposite obj_heading_ancestors()(
+  ObjGenericComposite  obj,
+  string[]             lv_ancestors_txt,
+) {
+  switch (obj.metainfo.heading_lev_markup) {
+  case 0:
+    lv_ancestors_txt[0] = obj.text.to!string;
+    foreach(k; 1..8) {
+      lv_ancestors_txt[k] = "";
+    }
+    goto default;
+  case 1:
+    lv_ancestors_txt[1] = obj.text.to!string;
+    foreach(k; 2..8) {
+      lv_ancestors_txt[k] = "";
+    }
+    goto default;
+  case 2:
+    lv_ancestors_txt[2] = obj.text.to!string;
+    foreach(k; 3..8) {
+      lv_ancestors_txt[k] = "";
+    }
+    goto default;
+  case 3:
+    lv_ancestors_txt[3] = obj.text.to!string;
+    foreach(k; 4..8) {
+      lv_ancestors_txt[k] = "";
+    }
+    goto default;
+  case 4:
+    lv_ancestors_txt[4] = obj.text.to!string;
+    foreach(k; 5..8) {
+      lv_ancestors_txt[k] = "";
+    }
+    goto default;
+  case 5:
+    lv_ancestors_txt[5] = obj.text.to!string;
+    foreach(k; 6..8) {
+      lv_ancestors_txt[k] = "";
+    }
+    goto default;
+  case 6:
+    lv_ancestors_txt[6] = obj.text.to!string;
+    lv_ancestors_txt[7] = "";
+    goto default;
+  case 7:
+    lv_ancestors_txt[7] = obj.text.to!string;
+    goto default;
+  default:
+    obj.tags.heading_ancestors_text = lv_ancestors_txt.dup;
+  }
+  return obj;
+}
+#+END_SRC
+
+**** method dom markup tags
+
+#+name: abs_top_init_struct
+#+BEGIN_SRC d
+pure ObjGenericComposite obj_dom_structure_set_markup_tags()(
+  ObjGenericComposite  obj,
+  int[]                dom,
+  int                  lev
+) {
+  foreach (i; 0 .. 8) {
+    if (i < lev) {
+      if (dom[i] == DomTags.open
+         || dom[i] == DomTags.close_and_open
+      ) {
+        dom[i] = DomTags.open_still;
+      } else if (dom[i] == DomTags.close) {
+        dom[i] = DomTags.none;
+      }
+    } else if (i == lev) {
+      if (lev  == 0
+        && dom[i] == DomTags.open_still
+      ) {
+        dom[i] = DomTags.close;
+      } else if (dom[i] == DomTags.open
+        || dom[i] == DomTags.open_still
+        || dom[i] == DomTags.close_and_open
+      ) {
+        dom[i] = DomTags.close_and_open;
+      } else {
+        dom[i] = DomTags.open;
+      }
+    } else if (i > lev) {
+      if (dom[i] == DomTags.close) {
+        dom[i] = DomTags.none;
+      } else if (dom[i] == DomTags.open
+        || dom[i] == DomTags.open_still
+        || dom[i] == DomTags.close_and_open
+      ) {
+        dom[i] = DomTags.close;
+      }
+    }
+  }
+  debug(dom_magic_numbers) {
+    writeln("marked up: ", lev, ": ", dom);
+  }
+  obj.metainfo.dom_structure_markedup_tags_status = dom.dup;
+  return obj;
+}
+#+END_SRC
+
+**** method dom collapsed tags
+
+#+name: abs_top_init_struct
+#+BEGIN_SRC d
+pure ObjGenericComposite obj_dom_set_collapsed_tags()(
+  ObjGenericComposite  obj,
+  int[]                dom,
+  int                  lev
+) {
+  foreach (i; 0 .. 8) {
+    if (i < lev) {
+      if (dom[i] == DomTags.open
+         || dom[i] == DomTags.close_and_open
+      ) {
+        dom[i] = DomTags.open_still;
+      } else if (dom[i] == DomTags.close) {
+        dom[i] = DomTags.none;
+      }
+    } else if (i == lev) {
+      if (lev  == 0
+        && dom[i] == DomTags.open_still
+      ) {
+        dom[i] = DomTags.close;
+      } else if (dom[i] == DomTags.open
+        || dom[i] == DomTags.open_still
+        || dom[i] == DomTags.close_and_open
+      ) {
+        dom[i] = DomTags.close_and_open;
+      } else {
+        dom[i] = DomTags.open;
+      }
+    } else if (i > lev) {
+      if (dom[i] == DomTags.close) {
+        dom[i] = DomTags.none;
+      } else if (dom[i] == DomTags.open
+        || dom[i] == DomTags.open_still
+        || dom[i] == DomTags.close_and_open
+      ) {
+        dom[i] = DomTags.close;
+      }
+    }
+  }
+  debug(dom_magic_numbers) {
+    writeln("collapsed: ", lev, ": ", dom);
+  }
+  obj.metainfo.dom_structure_collapsed_tags_status = dom.dup;
+  return obj;
+}
+#+END_SRC
+
+**** method ocn emit
+
+#+name: abs_top_init_struct
+#+BEGIN_SRC d
+static auto ocn_emit(int ocn_status_flag) {
+  return object_citation_number.ocn_emitter(ocn_status_flag);
+}
+static auto inline_markup_faces(L)(L line) {
+  static auto rgx = Rgx();
+  static auto mkup = InlineMarkup();
+  line = replaceAll!(m => mkup.quote_o ~ m[1] ~ mkup.quote_c)(line, rgx.within_quotes);
+  line = replaceAll!(m => mkup.mono ~ mkup.ff_o ~ m["text"] ~ mkup.ff_c ~ mkup.mono)(line, rgx.inline_mark_mono);
+  line = replaceAll!(m => mkup.cite ~ mkup.ff_o ~ m["text"] ~ mkup.ff_c ~ mkup.cite)(line, rgx.inline_mark_cite);
+  foreach (regx; [rgx.inline_mark_emphasis, rgx.inline_mark_bold, rgx.inline_mark_underscore, rgx.inline_mark_italics, rgx.inline_mark_superscript, rgx.inline_mark_subscript, rgx.inline_mark_strike, rgx.inline_mark_insert]) {
+    line = replaceAll!(m => m["mark"] ~ mkup.ff_o ~ m["text"] ~ mkup.ff_c ~ m["mark"])(line, regx);
+  }
+  return line;
+}
+static string links_and_images()(string obj_txt) {
+  static auto rgx = Rgx();
+  static auto mkup = InlineMarkup();
+  if (obj_txt.match(rgx.smid_inline_url_generic)) {
+    if (
+      obj_txt.match(rgx.smid_inline_link_endnote_url_helper)
+      || obj_txt.match(rgx.smid_inline_link_endnote_url_helper_punctuated)
+    ) {
+      obj_txt = replaceAll!(m => format("%s%s%s%s%s%s%s %s%s%s%s%s%s %s%s",
+        mkup.lnk_o, m["content"].strip, mkup.lnk_c,
+        mkup.url_o, m["link"], mkup.url_c,
+        mkup.en_a_o,
+        mkup.lnk_o, m["link"].strip, mkup.lnk_c,
+        mkup.url_o, m["link"], mkup.url_c,
+        mkup.en_a_c,
+        m[3]
+      ))(obj_txt, rgx.smid_inline_link_endnote_url_helper_punctuated);
+      obj_txt = replaceAll!(m => format("%s%s%s%s%s%s%s %s%s%s%s%s%s %s",
+        mkup.lnk_o, m["content"].strip, mkup.lnk_c,
+        mkup.url_o, m["link"], mkup.url_c,
+        mkup.en_a_o,
+        mkup.lnk_o, m["link"].strip, mkup.lnk_c,
+        mkup.url_o, m["link"], mkup.url_c,
+        mkup.en_a_c
+      ))(obj_txt, rgx.smid_inline_link_endnote_url_helper);
+  } else {
+      obj_txt = replaceAll!(m => format("%s%s%s%s%s%s%s",
+        m["pre"],
+        mkup.lnk_o, m["content"].strip, mkup.lnk_c,
+        mkup.url_o, m["link"], mkup.url_c
+      ))(obj_txt, rgx.smid_inline_link_markup_regular);
+    }
+      obj_txt = replaceAll!(m => format("%s%s%s%s%s%s%s",
+        m["pre"],
+        mkup.lnk_o, m["link"].strip, mkup.lnk_c,
+        mkup.url_o, m["link"], mkup.url_c
+      ))(obj_txt, rgx.smid_inline_link_naked_url); //
+  }
+  return obj_txt;
+}
+/+ book index variables +/
+string book_idx_tmp;
+string[][string][string] bookindex_unordered_hashes;
+/+ node +/
+ObjGenericComposite comp_obj_heading, comp_obj_location, comp_obj_block, comp_obj_code, comp_obj_poem_ocn, comp_obj_comment;
+auto node_construct = NodeStructureMetadata();
+enum sObj { content, anchor_tag, notes_reg, notes_star, links, image_no_dimensions }
+#+END_SRC
+
+*** inline para tag associations
+
+#+name: abs_inline_para_tag_associations
+#+BEGIN_SRC d
+string[string][string] inline_para_link_anchor()(
+  string[string]          an_object,
+  string[string]          tag_in_seg,
+  string[string][string]  tag_assoc
+) {
+  static auto rgx = Rgx();
+  if (auto m = an_object["substantive"].match(rgx.inline_link_anchor)) {
+    if (m.captures[1] !in tag_assoc) {
+      tag_assoc[(m.captures[1])]["seg_lv4"] = tag_in_seg["seg_lv4"];
+      tag_assoc[(m.captures[1])]["seg_lv1_to_4"] = tag_in_seg["seg_lv1_to_4"];
+    } else {
+      writeln("a tag named  already exists, check text line\n    ", an_object["substantive"]);
+    }
+  }
+  return tag_assoc;
+}
+#+END_SRC
+
+*** scope
+
+#+name: abs_init_rest
+#+BEGIN_SRC d
+scope(success) {
+}
+scope(failure) {
+}
+scope(exit) {
+  destroy(the_document_head_section);
+  destroy(the_table_of_contents_section);
+  destroy(the_document_body_section);
+  destroy(the_bibliography_section);
+  destroy(an_object);
+  destroy(processing);
+  destroy(biblio_arr_json);
+  previous_length=0;
+  reset_note_numbers=true;
+}
+#+END_SRC
+
+*** init rest
+
+#+name: abs_init_rest
+#+BEGIN_SRC d
+mixin DocReformRgxInitFlags;
+mixin DocReformNode;
+auto node_para_int_    = node_metadata_para_int;
+auto node_para_str_    = node_metadata_para_str;
+ObjGenericComposite comp_obj_heading_, comp_obj_para, comp_obj_toc;
+line_occur = [
+  "heading"  : 0,
+  "para"     : 0,
+  "glossary" : 0,
+  "blurb"    : 0,
+];
+uint[string] dochas = [
+  "inline_links"      : 0,
+  "inline_notes"      : 0,
+  "inline_notes_star" : 0,
+  "codeblock"         : 0,
+  "table"             : 0,
+  "block"             : 0,
+  "group"             : 0,
+  "poem"              : 0,
+  "quote"             : 0,
+  "images"            : 0,
+];
+auto obj_type_status = flags_type_init;
+string[string] object_number_poem = [
+  "start" : "",
+  "end"   : ""
+];
+string[] lv_ancestors_txt = [ "", "", "", "", "", "", "", "", ];
+int[string] lv = [
+  "lv" : State.off,
+  "h0" : State.off,
+  "h1" : State.off,
+  "h2" : State.off,
+  "h3" : State.off,
+  "h4" : State.off,
+  "h5" : State.off,
+  "h6" : State.off,
+  "h7" : State.off,
+  "lev_int_collapsed" : 0,
+];
+int[string] collapsed_lev = [
+  "h0" : State.off,
+  "h1" : State.off,
+  "h2" : State.off,
+  "h3" : State.off,
+  "h4" : State.off,
+  "h5" : State.off,
+  "h6" : State.off,
+  "h7" : State.off
+];
+string[string] heading_match_str = [
+  "h_A": "^(none)",
+  "h_B": "^(none)",
+  "h_C": "^(none)",
+  "h_D": "^(none)",
+  "h_1": "^(none)",
+  "h_2": "^(none)",
+  "h_3": "^(none)",
+  "h_4": "^(none)"
+];
+Regex!char[string] heading_match_rgx = [
+  "h_A": regex(r"^(none)"),
+  "h_B": regex(r"^(none)"),
+  "h_C": regex(r"^(none)"),
+  "h_D": regex(r"^(none)"),
+  "h_1": regex(r"^(none)"),
+  "h_2": regex(r"^(none)"),
+  "h_3": regex(r"^(none)"),
+  "h_4": regex(r"^(none)")
+];
+string _anchor_tag;
+string toc_txt_;
+an_object["glossary_nugget"]                                   = "";
+an_object["blurb_nugget"]                                      = "";
+comp_obj_heading_                                              = comp_obj_heading_.init;
+comp_obj_heading_.metainfo.is_of_part                          = "frontmatter";
+comp_obj_heading_.metainfo.is_of_section                       = "toc";
+comp_obj_heading_.metainfo.is_of_type                          = "para";
+comp_obj_heading_.metainfo.is_a                                = "heading";
+comp_obj_heading_.text                                         = "Table of Contents";
+comp_obj_heading_.metainfo.ocn                                 = 0;
+comp_obj_heading_.metainfo.identifier                          = "";
+comp_obj_heading_.metainfo.dummy_heading                       = false;
+comp_obj_heading_.metainfo.object_number_off                   = true;
+comp_obj_heading_.metainfo.object_number_type                  = 0;
+comp_obj_heading_.tags.segment_anchor_tag_epub                 = "toc";
+comp_obj_heading_.tags.anchor_tag_html                         = comp_obj_heading_.tags.segment_anchor_tag_epub;
+comp_obj_heading_.tags.in_segment_html                         = comp_obj_heading_.tags.anchor_tag_html;
+comp_obj_heading_.metainfo.heading_lev_markup                  = 4;
+comp_obj_heading_.metainfo.heading_lev_collapsed               = 1;
+comp_obj_heading_.metainfo.parent_ocn                          = 1;
+comp_obj_heading_.metainfo.parent_lev_markup                   = 0;
+comp_obj_heading_.ptr.html_segnames                            = html_segnames_ptr;
+comp_obj_heading_.tags.anchor_tags                             = ["toc"];
+comp_obj_heading_.metainfo.dom_structure_markedup_tags_status  = [ 1, 1, 0, 0, 1, 0, 0, 0];
+comp_obj_heading_.metainfo.dom_structure_collapsed_tags_status = [ 1, 1, 1, 0, 0, 0, 0, 0];
+tag_assoc[comp_obj_heading_.tags.anchor_tag_html]["seg_lv4"]              = comp_obj_heading_.tags.in_segment_html;
+tag_assoc[comp_obj_heading_.tags.segment_anchor_tag_epub]["seg_lv1_to_4"] = comp_obj_heading_.tags.segment_anchor_tag_epub;
+auto toc_head                                                  = comp_obj_heading_;
+html_segnames_ptr_cntr++;
+the_table_of_contents_section = [toc_head];
+static auto mkup = InlineMarkup();
+static auto munge = ObjInlineMarkupMunge();
+auto note_section = NotesSection();
+auto bookindex_extract_hash = BookIndexNuggetHash();
+string[][string] lev4_subtoc;
+string[][string] segnames = ["html": ["toc"], "epub": ["toc"]];
+int cnt1 = 1; int cnt2 = 1; int cnt3 = 1;
+#+END_SRC
+
+*** make tests
+
+#+name: make_tests
+#+BEGIN_SRC d
+enum Substitute { match, markup, }
+debug (substitutions) {
+  writeln(__LINE__, ":", __FILE__, ": DEBUG substitutions:");
+  if (!(conf_make_meta.make.headings.empty)) {
+    writeln(conf_make_meta.make.headings);
+  }
+  if (conf_make_meta.make.substitute) {
+    foreach(substitution_pair; conf_make_meta.make.substitute) {
+       writeln("regex to match:       ", substitution_pair[Substitute.match]);
+       writeln("substitution to make: ", substitution_pair[Substitute.markup]);
+    }
+  }
+  if (conf_make_meta.make.bold) {
+    writeln("regex to match:       ", conf_make_meta.make.bold[Substitute.match]);
+    writeln("substitution to make: ", conf_make_meta.make.bold[Substitute.markup]);
+  }
+  if (conf_make_meta.make.emphasis) {
+    writeln("regex to match:       ", conf_make_meta.make.emphasis[Substitute.match]);
+    writeln("substitution to make: ", conf_make_meta.make.emphasis[Substitute.markup]);
+  }
+  if (conf_make_meta.make.italics) {
+    writeln("regex to match:       ", conf_make_meta.make.italics[Substitute.match]);
+    writeln("substitution to make: ", conf_make_meta.make.italics[Substitute.markup]);
+  }
+}
+#+END_SRC
+
+** 2. ↻ *LOOP* _loop: process document body_ [+6]                         :loop:
+*** Loop scope                                                      :scope:
+
+#+name: abs_in_loop_body_00
+#+BEGIN_SRC d
+/+ scope +/
+scope(exit) {
+}
+scope(failure) {
+  stderr.writefln(
+    "%s\n%s\n%s:%s failed here:\n  line: %s",
+    __MODULE__, __FUNCTION__,
+    __FILE__, __LINE__,
+    line,
+  );
+}
+debug(source) {
+  writeln(line);
+}
+debug(srclines) {
+  if (!line.empty) {
+    writefln(
+      "* %s",
+      line
+    );
+  }
+}
+#+END_SRC
+
+*** check whether object_number is on or turned off                   :ocn:
+
+#+name: abs_in_loop_body_00
+#+BEGIN_SRC d
+if (!line.empty) {
+  obj_type_status = line._check_ocn_status_(obj_type_status);
+}
+#+END_SRC
+
+*** separate _code blocks_ from _other markup text_ [+5] [#A]
+**** _code blocks_                                            :block:code:
+
+#+name: abs_in_loop_body_00_code_block
+#+BEGIN_SRC d
+/+ block object: code +/
+line.flow_txt_block_code(an_object, obj_type_status);
+continue;
+#+END_SRC
+
+**** _non code objects_ (non-code blocks & regular text: by line) [+4] :non_code:
+***** inline fontface markup
+
+#+name: abs_in_loop_body_non_code_obj
+#+BEGIN_SRC d
+line = line.inline_markup_faces; // by text line (rather than by text object), linebreaks in para problematic
+#+END_SRC
+
+***** in section (biblio, glossary, blurb) +(block group)+ [+1] :block:active:
+****** in section: biblio                                       :biblio:
+
+#+name: abs_in_loop_body_non_code_obj
+#+BEGIN_SRC d
+if ((line.matchFirst(rgx.heading_biblio)
+  && obj_type_status["para"]  != State.on
+  && obj_type_status["group"] != State.on
+  && obj_type_status["block"] != State.on
+  && obj_type_status["poem"]  != State.on
+  && obj_type_status["table"] != State.on
+  && obj_type_status["quote"] != State.on)
+|| (obj_type_status["biblio_section"] == State.on
+&& (!(line.matchFirst(rgx.heading_blurb_glossary)))
+&& (!(line.matchFirst(rgx.heading)))
+&& (!(line.matchFirst(rgx.comment))))) {
+  /+ within section (block object): biblio +/
+  obj_type_status["glossary_section"] = State.off;
+  obj_type_status["biblio_section"]   = State.on;
+  obj_type_status["blurb_section"]    = State.off;
+  if (opt_action.backmatter && opt_action.section_biblio) {
+    line.flow_txt_block_biblio(obj_type_status, bib_entry, biblio_entry_str_json, biblio_arr_json);
+    debug(bibliobuild) {
+      writeln("-  ", biblio_entry_str_json);
+      writeln("-> ", biblio_arr_json.length);
+    }
+  }
+  continue;
+#+END_SRC
+
+****** in section: glossary                                   :glossary:
+
+if there is a glossary section you need to:
+- extract it
+- create standard headings
+- markup contents in standard way like regular paragraphs
+  - need indentation and regular paragraph inline markup
+- reconstitute the document with the glossary section following the endnotes
+
+#+name: abs_in_loop_body_non_code_obj
+#+BEGIN_SRC d
+} else if ((line.matchFirst(rgx.heading_glossary)
+  && obj_type_status["para"]  != State.on
+  && obj_type_status["group"] != State.on
+  && obj_type_status["block"] != State.on
+  && obj_type_status["poem"]  != State.on
+  && obj_type_status["table"] != State.on
+  && obj_type_status["quote"] != State.on)
+|| (obj_type_status["glossary_section"] == State.on
+&& (!(line.matchFirst(rgx.heading_biblio_blurb)))
+&& (!(line.matchFirst(rgx.heading)))
+&& (!(line.matchFirst(rgx.comment))))) {
+  /+ within section (block object): glossary +/
+  debug(glossary) {
+    writeln(__LINE__);
+    writeln(line);
+  }
+  obj_type_status["glossary_section"] = State.on;
+  obj_type_status["biblio_section"]   = State.off;
+  obj_type_status["blurb_section"]    = State.off;
+  if (opt_action.backmatter && opt_action.section_glossary) {
+    indent=[
+      "hang_position" : 0,
+      "base_position" : 0,
+    ];
+    bullet = false;
+    obj_type_status["para"] = State.on;
+    line_occur["para"] = State.off;
+    an_object_key="glossary_nugget"; //
+    if (line.matchFirst(rgx.heading_glossary)) {
+      {
+        comp_obj_heading_                                = comp_obj_heading_.init;
+        comp_obj_heading_.metainfo.is_of_part            = "backmatter";
+        comp_obj_heading_.metainfo.is_of_section         = "glossary";
+        comp_obj_heading_.metainfo.is_of_type            = "para";
+        comp_obj_heading_.metainfo.is_a                  = "heading";
+        comp_obj_heading_.text                           = "Glossary";
+        comp_obj_heading_.metainfo.ocn                   = 0;
+        comp_obj_heading_.metainfo.identifier            = "";
+        comp_obj_heading_.metainfo.dummy_heading         = false;
+        comp_obj_heading_.metainfo.object_number_off     = true;
+        comp_obj_heading_.metainfo.object_number_type    = 0;
+        comp_obj_heading_.tags.segment_anchor_tag_epub   = "_part_glossary";
+        comp_obj_heading_.tags.anchor_tag_html           = comp_obj_heading_.tags.segment_anchor_tag_epub;
+        comp_obj_heading_.tags.in_segment_html           = "glossary";
+        comp_obj_heading_.tags.anchor_tags               = ["section_glossary"];
+        comp_obj_heading_.metainfo.heading_lev_markup    = 1;
+        comp_obj_heading_.metainfo.heading_lev_collapsed = 1;
+        comp_obj_heading_.metainfo.parent_ocn            = 1;
+        comp_obj_heading_.metainfo.parent_lev_markup     = 0;
+        comp_obj_heading_.metainfo.dom_structure_markedup_tags_status  = [ 1, 1, 0, 0, 0, 0, 0, 0];
+        comp_obj_heading_.metainfo.dom_structure_collapsed_tags_status = [ 1, 1, 0, 0, 0, 0, 0, 0];
+        the_glossary_section                             ~= comp_obj_heading_;
+        tag_assoc[comp_obj_heading_.tags.anchor_tag_html]["seg_lv4"]              = comp_obj_heading_.tags.in_segment_html;
+        tag_assoc[comp_obj_heading_.tags.segment_anchor_tag_epub]["seg_lv1_to_4"] = comp_obj_heading_.tags.segment_anchor_tag_epub;
+      }
+      {
+        comp_obj_heading_                                = comp_obj_heading_.init;
+        comp_obj_heading_.metainfo.is_of_part            = "backmatter";
+        comp_obj_heading_.metainfo.is_of_section         = "glossary";
+        comp_obj_heading_.metainfo.is_of_type            = "para";
+        comp_obj_heading_.metainfo.is_a                  = "heading";
+        comp_obj_heading_.text                           = "Glossary";
+        comp_obj_heading_.metainfo.ocn                   = 0;
+        comp_obj_heading_.metainfo.identifier            = "";
+        comp_obj_heading_.metainfo.dummy_heading         = true;
+        comp_obj_heading_.metainfo.object_number_off     = true;
+        comp_obj_heading_.metainfo.object_number_type    = 0;
+        comp_obj_heading_.tags.segment_anchor_tag_epub   = "glossary";
+        comp_obj_heading_.tags.anchor_tag_html           = comp_obj_heading_.tags.segment_anchor_tag_epub;
+        comp_obj_heading_.tags.in_segment_html           = comp_obj_heading_.tags.anchor_tag_html;
+        comp_obj_heading_.metainfo.heading_lev_markup    = 4;
+        comp_obj_heading_.metainfo.heading_lev_collapsed = 2;
+        comp_obj_heading_.metainfo.parent_ocn            = 1;
+        comp_obj_heading_.metainfo.parent_lev_markup     = 0;
+        comp_obj_heading_.metainfo.dom_structure_markedup_tags_status  = [ 1, 1, 0, 0, 1, 0, 0, 0];
+        comp_obj_heading_.metainfo.dom_structure_collapsed_tags_status = [ 1, 1, 1, 0, 0, 0, 0, 0];
+        comp_obj_heading_.tags.anchor_tags               = ["glossary"];
+        the_glossary_section                             ~= comp_obj_heading_;
+        tag_assoc[comp_obj_heading_.tags.anchor_tag_html]["seg_lv4"]              = comp_obj_heading_.tags.in_segment_html;
+        tag_assoc[comp_obj_heading_.tags.segment_anchor_tag_epub]["seg_lv1_to_4"] = comp_obj_heading_.tags.segment_anchor_tag_epub;
+      }
+    } else {
+      an_object = line.flow_para_match_(an_object, an_object_key, indent, bullet, obj_type_status, line_occur);
+      comp_obj_para                               = comp_obj_para.init;
+      comp_obj_para.metainfo.is_of_part           = "backmatter";
+      comp_obj_para.metainfo.is_of_section        = "glossary";
+      comp_obj_para.metainfo.is_of_type           = "para";
+      comp_obj_para.metainfo.is_a                 = "glossary";
+      comp_obj_para.text                          = line.to!string.strip;
+      comp_obj_para.metainfo.ocn                  = 0;
+      comp_obj_para.metainfo.identifier           = "";
+      comp_obj_para.metainfo.object_number_off    = true;
+      comp_obj_para.metainfo.object_number_type   = 0;
+      comp_obj_para.attrib.indent_hang            = indent["hang_position"];
+      comp_obj_para.attrib.indent_base            = indent["base_position"];
+      comp_obj_para.attrib.bullet                 = bullet;
+      the_glossary_section                        ~= comp_obj_para;
+    }
+    obj_type_status["ocn_status"] = OCNstatus.on;
+  }
+  continue;
+#+END_SRC
+
+****** in section: blurb                                         :blurb:
+
+if there is a blurb section you need to:
+- extract it
+- create standard headings (or use line provided in 1~ heading)
+- markup contents in standard way like regular paragraphs
+  - need regular paragraph inline markup
+- reconstitute the document with the blurb section at the very end of the doucment
+
+#+name: abs_in_loop_body_non_code_obj
+#+BEGIN_SRC d
+} else if ((line.matchFirst(rgx.heading_blurb)
+  && obj_type_status["para"]  != State.on
+  && obj_type_status["group"] != State.on
+  && obj_type_status["block"] != State.on
+  && obj_type_status["poem"]  != State.on
+  && obj_type_status["table"] != State.on
+  && obj_type_status["quote"] != State.on)
+|| (obj_type_status["blurb_section"] == State.on
+&& (!(line.matchFirst(rgx.heading_biblio_glossary)))
+&& (!(line.matchFirst(rgx.heading)))
+&& (!(line.matchFirst(rgx.comment))))) {
+  /+ within section (block object): blurb +/
+  debug(blurb) {
+    writeln(__LINE__);
+    writeln(line);
+  }
+  obj_type_status["glossary_section"] = State.off;
+  obj_type_status["biblio_section"]   = State.off;
+  obj_type_status["blurb_section"]    = State.on;
+  if (opt_action.backmatter && opt_action.section_blurb) {
+    indent=[
+      "hang_position" : 0,
+      "base_position" : 0,
+    ];
+    bullet = false;
+    if (auto m = line.matchFirst(rgx.para_indent)) {
+      debug(paraindent) {
+        writeln(line);
+      }
+      indent["hang_position"] = (m["indent"]).to!int;
+      indent["base_position"] = (m["indent"]).to!int;
+    } else if (line.matchFirst(rgx.para_bullet)) {
+      debug(parabullet) {
+        writeln(line);
+      }
+      bullet = true;
+    } else if (auto m = line.matchFirst(rgx.para_indent_hang)) {
+      debug(paraindenthang) {
+        writeln(line);
+      }
+      indent=[
+        "hang_position" : (m["hang"]).to!int,
+        "base_position" : (m["indent"]).to!int,
+      ];
+    } else if (auto m = line.matchFirst(rgx.para_bullet_indent)) {
+      debug(parabulletindent) {
+        writeln(line);
+      }
+      indent=[
+        "hang_position" : (m["indent"]).to!int,
+        "base_position" : (m["indent"]).to!int,
+      ];
+      bullet = true;
+    }
+    obj_type_status["para"] = State.on;
+    line_occur["para"] = State.off;
+    an_object_key="blurb_nugget";
+    if (line.matchFirst(rgx.heading_blurb)) {
+      {
+        comp_obj_heading_                                              = comp_obj_heading_.init;
+        comp_obj_heading_.metainfo.is_of_part                          = "backmatter";
+        comp_obj_heading_.metainfo.is_of_section                       = "blurb";
+        comp_obj_heading_.metainfo.is_of_type                          = "para";
+        comp_obj_heading_.metainfo.is_a                                = "heading";
+        comp_obj_heading_.text                                         = "Blurb";
+        comp_obj_heading_.metainfo.ocn                                 = 0;
+        comp_obj_heading_.metainfo.identifier                          = "";
+        comp_obj_heading_.metainfo.dummy_heading                       = false;
+        comp_obj_heading_.metainfo.object_number_off                   = true;
+        comp_obj_heading_.metainfo.object_number_type                  = 0;
+        comp_obj_heading_.tags.segment_anchor_tag_epub                 = "_part_blurb";
+        comp_obj_heading_.tags.anchor_tag_html                         = comp_obj_heading_.tags.segment_anchor_tag_epub;
+        comp_obj_heading_.tags.in_segment_html                         = "blurb";
+        comp_obj_heading_.tags.anchor_tags                             = ["section_blurb"];
+        comp_obj_heading_.metainfo.heading_lev_markup                  = 1;
+        comp_obj_heading_.metainfo.heading_lev_collapsed               = 1;
+        comp_obj_heading_.metainfo.parent_ocn                          = 1;
+        comp_obj_heading_.metainfo.parent_lev_markup                   = 0;
+        comp_obj_heading_.metainfo.dom_structure_markedup_tags_status  = [ 1, 1, 0, 0, 0, 0, 0, 0];
+        comp_obj_heading_.metainfo.dom_structure_collapsed_tags_status = [ 1, 1, 0, 0, 0, 0, 0, 0];
+        the_blurb_section                                              ~= comp_obj_heading_;
+        tag_assoc[comp_obj_heading_.tags.anchor_tag_html]["seg_lv4"]              = comp_obj_heading_.tags.in_segment_html;
+        tag_assoc[comp_obj_heading_.tags.segment_anchor_tag_epub]["seg_lv1_to_4"] = comp_obj_heading_.tags.segment_anchor_tag_epub;
+      }
+      {
+        comp_obj_heading_                                              = comp_obj_heading_.init;
+        comp_obj_heading_.metainfo.is_of_part                          = "backmatter";
+        comp_obj_heading_.metainfo.is_of_section                       = "blurb";
+        comp_obj_heading_.metainfo.is_of_type                          = "para";
+        comp_obj_heading_.metainfo.is_a                                = "heading";
+        comp_obj_heading_.text                                         = "Blurb";
+        comp_obj_heading_.metainfo.ocn                                 = 0;
+        comp_obj_heading_.metainfo.identifier                          = "";
+        comp_obj_heading_.metainfo.dummy_heading                       = true;
+        comp_obj_heading_.metainfo.object_number_off                   = true;
+        comp_obj_heading_.metainfo.object_number_type                  = 0;
+        comp_obj_heading_.tags.segment_anchor_tag_epub                 = "blurb";
+        comp_obj_heading_.tags.anchor_tag_html                         = comp_obj_heading_.tags.segment_anchor_tag_epub;
+        comp_obj_heading_.tags.in_segment_html                         = comp_obj_heading_.tags.anchor_tag_html;
+        comp_obj_heading_.metainfo.heading_lev_markup                  = 4;
+        comp_obj_heading_.metainfo.heading_lev_collapsed               = 2;
+        comp_obj_heading_.metainfo.parent_ocn                          = 1;
+        comp_obj_heading_.metainfo.parent_lev_markup                   = 0;
+        comp_obj_heading_.tags.anchor_tags                             = ["blurb"];
+        comp_obj_heading_.metainfo.dom_structure_markedup_tags_status  = [ 1, 1, 0, 0, 1, 0, 0, 0];
+        comp_obj_heading_.metainfo.dom_structure_collapsed_tags_status = [ 1, 1, 1, 0, 0, 0, 0, 0];
+        the_blurb_section                                              ~= comp_obj_heading_;
+        tag_assoc[comp_obj_heading_.tags.anchor_tag_html]["seg_lv4"]              = comp_obj_heading_.tags.in_segment_html;
+        tag_assoc[comp_obj_heading_.tags.segment_anchor_tag_epub]["seg_lv1_to_4"] = comp_obj_heading_.tags.segment_anchor_tag_epub;
+      }
+    } else if (line.matchFirst(rgx.heading)
+    && (opt_action.backmatter && opt_action.section_blurb)) {
+      comp_obj_heading_                                              = comp_obj_heading_.init;
+      comp_obj_heading_.metainfo.is_of_part                          = "backmatter";
+      comp_obj_heading_.metainfo.is_of_section                       = "blurb";
+      comp_obj_heading_.metainfo.is_of_type                          = "para";
+      comp_obj_heading_.metainfo.is_a                                = "heading";
+      comp_obj_heading_.text                                         = line.to!string;
+      comp_obj_heading_.metainfo.ocn                                 = 0;
+      comp_obj_heading_.metainfo.identifier                          = "";
+      comp_obj_heading_.metainfo.dummy_heading                       = false;
+      comp_obj_heading_.metainfo.object_number_off                   = true;
+      comp_obj_heading_.metainfo.object_number_type                  = 0;
+      comp_obj_heading_.tags.segment_anchor_tag_epub                 = "blurb";
+      comp_obj_heading_.tags.anchor_tag_html                         = comp_obj_heading_.tags.segment_anchor_tag_epub;
+      comp_obj_heading_.tags.in_segment_html                         = comp_obj_heading_.tags.anchor_tag_html;
+      comp_obj_heading_.metainfo.heading_lev_markup                  = an_object["lev_markup_number"].to!int;    // make int, remove need to conv
+      comp_obj_heading_.metainfo.heading_lev_collapsed               = an_object["lev_collapsed_number"].to!int; // make int, remove need to conv
+      comp_obj_heading_.metainfo.parent_ocn                          = 1;
+      comp_obj_heading_.metainfo.parent_lev_markup                   = 0;
+      the_blurb_section                                              ~= comp_obj_heading_;
+      tag_assoc[comp_obj_heading_.tags.anchor_tag_html]["seg_lv4"]              = comp_obj_heading_.tags.in_segment_html;
+      tag_assoc[comp_obj_heading_.tags.segment_anchor_tag_epub]["seg_lv1_to_4"] = comp_obj_heading_.tags.segment_anchor_tag_epub;
+    } else {
+      an_object = line.flow_para_match_(an_object, an_object_key, indent, bullet, obj_type_status, line_occur);
+      comp_obj_para                               = comp_obj_para.init;
+      comp_obj_para.metainfo.is_of_part           = "backmatter";
+      comp_obj_para.metainfo.is_of_section        = "blurb";
+      comp_obj_para.metainfo.is_of_type           = "para";
+      comp_obj_para.metainfo.is_a                 = "blurb";
+      comp_obj_para.text                          = links_and_images(line.to!string.strip).replaceFirst(rgx.para_attribs, "");
+      comp_obj_para.metainfo.ocn                  = 0;
+      comp_obj_para.metainfo.identifier           = "";
+      comp_obj_para.metainfo.object_number_off    = true;
+      comp_obj_para.metainfo.object_number_type   = 0;
+      comp_obj_para.attrib.indent_hang            = indent["hang_position"];
+      comp_obj_para.attrib.indent_base            = indent["base_position"];
+      comp_obj_para.has.inline_links              = true;
+      comp_obj_para.attrib.bullet                 = bullet;
+      the_blurb_section                           ~= comp_obj_para;
+    }
+    obj_type_status["ocn_status"] = OCNstatus.on;
+  }
+  continue;
+#+END_SRC
+
+***** in blocks [+1]                                       :block:active:
+****** in block: quote                                           :quote:
+
+#+name: abs_in_loop_body_non_code_obj
+#+BEGIN_SRC d
+} else if (obj_type_status["quote"] == TriState.on) {                          /+ within block object: quote +/
+  line = line
+    ._doc_header_and_make_substitutions_(conf_make_meta)
+    ._doc_header_and_make_substitutions_fontface_(conf_make_meta);
+  an_object = line.flow_txt_block_quote(an_object, obj_type_status);
+  continue;
+#+END_SRC
+
+****** in block: group                                           :group:
+
+#+name: abs_in_loop_body_non_code_obj
+#+BEGIN_SRC d
+/+ within block object: group +/
+} else if (obj_type_status["group"] == TriState.on) {                          /+ within block object: group +/
+  line = line
+    ._doc_header_and_make_substitutions_(conf_make_meta)
+    ._doc_header_and_make_substitutions_fontface_(conf_make_meta)
+    .replaceAll(rgx.para_delimiter, mkup.br_paragraph ~ "$1");
+  an_object = line.flow_txt_block_group(an_object, obj_type_status);
+  continue;
+#+END_SRC
+
+****** in block: block                                           :block:
+
+#+name: abs_in_loop_body_non_code_obj
+#+BEGIN_SRC d
+} else if (obj_type_status["block"] == TriState.on) {                          /+ within block object: block +/
+  line = line
+    ._doc_header_and_make_substitutions_(conf_make_meta)
+    ._doc_header_and_make_substitutions_fontface_(conf_make_meta);
+  if (auto m = line.match(rgx.spaces_keep)) {
+    line = line
+      .replaceAll(rgx.spaces_keep, (m.captures[1]).translate([ ' ' : mkup.nbsp ]));
+  }
+  an_object = line.flow_txt_block_block(an_object, obj_type_status);
+  continue;
+#+END_SRC
+
+****** in block: poem                                             :poem:
+
+#+name: abs_in_loop_body_non_code_obj
+#+BEGIN_SRC d
+} else if (obj_type_status["poem"] == TriState.on) {                           /+ within block object: poem +/
+  an_object = line.flow_txt_block_poem(an_object, obj_type_status, cntr, object_number_poem, conf_make_meta, tag_in_seg);
+  continue;
+#+END_SRC
+
+****** in block: table                                           :table:
+
+#+name: abs_in_loop_body_non_code_obj
+#+BEGIN_SRC d
+} else if (obj_type_status["table"] == TriState.on) {                          /+ within block object: table +/
+  an_object = line.flow_txt_block_table(an_object, obj_type_status, conf_make_meta);
+  continue;
+#+END_SRC
+
+***** not identified as being within block group (could still be, or not) [+3]
+****** assert
+
+#+name: abs_in_loop_body_open_block_obj_assert
+#+BEGIN_SRC d
+assert(
+  (obj_type_status["blocks"] == TriState.off)
+  || (obj_type_status["blocks"] == TriState.closing),
+  "block status: none or closed"
+);
+assertions_flag_types_block_status_none_or_closed(obj_type_status);
+#+END_SRC
+
+****** catch misc +block open+
+
+#+name: abs_in_loop_body_open_block_obj
+#+BEGIN_SRC d
+if (line.matchFirst(rgx.block_poem_open)) {                                    /+ poem to verse exceptions! +/
+  object_reset(an_object);
+  processing.remove("verse");
+  object_number_poem["start"] = obj_cite_digits.object_number.to!string;
+}
+line.flow_txt_block_start(obj_type_status, dochas, object_number_poem);
+continue;
+#+END_SRC
+
+****** line not empty [+2]
+******* asserts                                                :assert:
+
+#+name: abs_in_loop_body_not_block_obj
+#+BEGIN_SRC d
+assert(
+  !line.empty,
+  "line tested, line not empty surely:\n  \"" ~ line ~ "\""
+);
+assert(
+  (obj_type_status["blocks"] == TriState.off)
+  || (obj_type_status["blocks"] == TriState.closing),
+  "code block status: none or closed"
+);
+if (obj_type_status["blocks"] == TriState.closing) {
+  debug(check) {
+    writeln(__LINE__);
+    writeln(line);
+  }
+  assert(
+    line.matchFirst(rgx.book_index)
+    || line.matchFirst(rgx.book_index_open)
+    || obj_type_status["book_index"] == State.on,
+    "\nblocks closed, unless followed by book index, non-matching line:\n  \""
+    ~ line ~ "\""
+  );
+}
+#+END_SRC
+
+******* book index                                          :bookindex:
+
+#+name: abs_in_loop_body_not_block_obj
+#+BEGIN_SRC d
+if (line.matchFirst(rgx.book_index)
+|| line.matchFirst(rgx.book_index_open)
+|| obj_type_status["book_index"] == State.on )  {                              /+ book_index +/
+  an_object = line.flow_book_index_(an_object, book_idx_tmp, obj_type_status, opt_action);
+#+END_SRC
+
+******* not book index [+1]
+
+#+name: abs_in_loop_body_not_block_obj
+#+BEGIN_SRC d
+} else {                                                                       /+ not book_index +/
+#+END_SRC
+
+******** matched: comment                              :comment:match:
+
+#+name: abs_in_loop_body_not_block_obj
+#+BEGIN_SRC d
+  an_object_key="body_nugget";
+  if (auto m = line.matchFirst(rgx.comment)) {                                 /+ matched comment +/
+    debug(comment) {
+      writeln(line);
+    }
+    an_object[an_object_key]                ~= line ~= "\n";
+    comp_obj_comment                        = comp_obj_comment.init;
+    comp_obj_comment.metainfo.is_of_part    = "comment"; // breaks flow
+    comp_obj_comment.metainfo.is_of_section = "comment"; // breaks flow
+    comp_obj_comment.metainfo.is_of_type    = "comment";
+    comp_obj_comment.metainfo.is_a          = "comment";
+    comp_obj_comment.text                   = an_object[an_object_key].strip;
+    the_document_body_section               ~= comp_obj_comment;
+    flow_common_reset_(line_occur, an_object, obj_type_status);
+    processing.remove("verse");
+    ++cntr;
+#+END_SRC
+
+******** flag !set & line !exist: heading or para  :heading:paragraph:
+
+#+name: abs_in_loop_body_not_block_obj
+#+BEGIN_SRC d
+  } else if (((line_occur["para"] == State.off)
+  && (line_occur["heading"] == State.off))
+  && ((obj_type_status["para"] == State.off)
+  && (obj_type_status["heading"] == State.off))) {                             /+ heading or para but neither flag nor line exists +/
+    if ((conf_make_meta.make.headings.length > 2)
+    && (obj_type_status["make_headings"] == State.off)) {                      /+ heading found +/
+      heading_match_str = line.flow_heading_found_(heading_match_str, conf_make_meta.make.headings, heading_match_rgx, obj_type_status);
+    }
+    if ((obj_type_status["make_headings"] == State.on)
+    && ((line_occur["para"] == State.off)
+    && (line_occur["heading"] == State.off))
+    && ((obj_type_status["para"] == State.off)
+    && (obj_type_status["heading"] == State.off))) {                           /+ heading make set +/
+      line = line.flow_heading_make_set_(line_occur, heading_match_rgx, obj_type_status);
+    }
+    /+ TODO node info: all headings identified at this point,
+       - extract node info here??
+       - how long can it wait?
+       - should be incorporated in composite objects
+       - should happen before endnote links set (they need to be moved down?)
+    +/
+    if (line.matchFirst(rgx.heading)) {                                        /+ heading match +/
+      line = line._doc_header_and_make_substitutions_(conf_make_meta);
+      an_object = line.flow_heading_matched_(an_object, line_occur, an_object_key, lv, collapsed_lev, obj_type_status, conf_make_meta);
+    } else if (line_occur["para"] == State.off) {                              /+ para match +/
+      an_object_key="body_nugget";
+      line = line
+        ._doc_header_and_make_substitutions_(conf_make_meta)
+        ._doc_header_and_make_substitutions_fontface_(conf_make_meta);
+      an_object = line.flow_para_match_(an_object, an_object_key, indent, bullet, obj_type_status, line_occur);
+    }
+#+END_SRC
+
+******** line exist: heading                                 :heading:
+
+#+name: abs_in_loop_body_not_block_obj
+#+BEGIN_SRC d
+  } else if (line_occur["heading"] > State.off) {                              /+ heading +/
+    debug(heading) {
+      writeln(line);
+    }
+    an_object[an_object_key] ~= line ~= "\n";
+    ++line_occur["heading"];
+#+END_SRC
+
+******** line exist: para                                       :para:
+
+#+name: abs_in_loop_body_not_block_obj
+#+BEGIN_SRC d
+  } else if (line_occur["para"] > State.off) {                                 /+ paragraph +/
+    debug(para) {
+      writeln(an_object_key, "-> ", line);
+    }
+    line = line
+      ._doc_header_and_make_substitutions_(conf_make_meta)
+      ._doc_header_and_make_substitutions_fontface_(conf_make_meta);
+    an_object[an_object_key] ~= " " ~ line;
+    ++line_occur["para"];
+  }
+}
+#+END_SRC
+
+****** line empty, with block flag
+
+#+name: abs_in_loop_body_not_block_obj_line_empty_blocks_flags
+#+BEGIN_SRC d
+an_object = line.flow_block_flag_line_empty_(
+  an_object,
+  bookindex_extract_hash,
+  the_document_body_section,
+  bookindex_unordered_hashes,
+  obj_cite_digits,
+  comp_obj_heading,
+  cntr,
+  obj_type_status,
+  object_number_poem,
+  conf_make_meta,
+  tag_in_seg,
+);
+#+END_SRC
+
+****** line empty [+1]
+******* assert line empty                                      :assert:
+
+#+name: abs_in_loop_body_not_block_obj_line_empty
+#+BEGIN_SRC d
+assert(
+  line.empty,
+  "\nline should be empty:\n  \""
+  ~ line ~ "\""
+);
+assert(
+  (obj_type_status["blocks"] == State.off),
+  "code block status: none"
+);
+#+END_SRC
+
+******* heading object                                 :heading:object:
+
+#+name: abs_in_loop_body_not_block_obj_line_empty
+#+BEGIN_SRC d
+if (_new_doc) {
+  tag_assoc = tag_assoc.init;
+  lv0_to_3_tags = lv0_to_3_tags.init;
+  tag_in_seg = tag_in_seg.init;
+}
+if ((obj_type_status["heading"] == State.on)
+&& (line_occur["heading"] > State.off)) {                                      /+ heading object (current line empty) +/
+  obj_cite_digits = (an_object["lev_markup_number"].to!int == 0)
+  ? ocn_emit(OCNstatus.reset)
+  : ocn_emit(obj_type_status["ocn_status"]);
+  an_object["is"] = "heading";
+  an_object_key="body_nugget";
+  auto substantive_object_and_anchor_tags_tuple
+    = obj_im.obj_inline_markup_and_anchor_tags_and_misc(an_object, an_object_key, conf_make_meta, ((_new_doc) ? Yes._new_doc : No._new_doc));
+  an_object["substantive"] = substantive_object_and_anchor_tags_tuple[sObj.content];
+  anchor_tag = substantive_object_and_anchor_tags_tuple[sObj.anchor_tag];
+  if (_new_doc) {
+    cnt1 = 1;
+    cnt2 = 1;
+    cnt3 = 1;
+    _new_doc = false;
+  }
+  if (
+    an_object["lev_markup_number"].to!int == 4
+    && (!(anchor_tag.empty)
+    || (lv0_to_3_tags.length > 0))
+  ) {
+    tag_in_seg["seg_lv4"] = anchor_tag;
+    tag_in_seg["seg_lv1_to_4"] = anchor_tag;
+    lev_anchor_tag = anchor_tag;
+    tag_assoc[anchor_tag]["seg_lv4"] = tag_in_seg["seg_lv4"];
+    tag_assoc[anchor_tag]["seg_lv1_to_4"] = tag_in_seg["seg_lv1_to_4"];
+    if (lv0_to_3_tags.length > 0) { /+ names used for html markup segments 1 to 4 (rather than epub which has separate segments for A to D) +/
+      foreach (lv0_to_lv3_html_tag; lv0_to_3_tags) {
+        tag_assoc[lv0_to_lv3_html_tag]["seg_lv4"] = anchor_tag;
+      }
+    }
+    anchor_tag_ = anchor_tag;
+    lv0_to_3_tags = lv0_to_3_tags.init;
+  } else if (an_object["lev_markup_number"].to!int > 4) {
+    tag_in_seg["seg_lv4"] = anchor_tag_;
+    tag_in_seg["seg_lv1_to_4"] = anchor_tag_;
+    lev_anchor_tag = anchor_tag;
+    tag_assoc[anchor_tag]["seg_lv4"] = tag_in_seg["seg_lv4"];
+    tag_assoc[anchor_tag]["seg_lv1_to_4"] = tag_in_seg["seg_lv1_to_4"];
+  } else if (an_object["lev_markup_number"].to!int < 4) {
+    string segn;
+    switch (an_object["lev_markup_number"].to!int) {                           /+ names used for epub markup segments A to D +/
+    case 0:
+      segn = "_the_title";
+      goto default;
+    case 1:
+      segn = "_part_" ~ cnt1.to!string;
+      ++cnt1;
+      goto default;
+    case 2:
+      segn = "_part_" ~ cnt1.to!string ~ "_" ~ cnt2.to!string;
+      ++cnt2;
+      goto default;
+    case 3:
+      segn =  "_part_" ~ cnt1.to!string ~ "_" ~ cnt2.to!string ~ "_" ~ cnt3.to!string;
+      ++cnt3;
+      goto default;
+    default:
+      lv0_to_3_tags ~= obj_cite_digits.object_number.to!string;
+      lv0_to_3_tags ~= segn;
+      tag_in_seg["seg_lv4"] = segn; // for html segname need following lv4 not yet known
+      tag_in_seg["seg_lv1_to_4"] = segn;
+      break;
+    }
+  }
+  an_object["bookindex_nugget"]
+    = ("bookindex_nugget" in an_object) ? an_object["bookindex_nugget"] : "";
+  bookindex_unordered_hashes
+    = bookindex_extract_hash.bookindex_nugget_hash(an_object["bookindex_nugget"], obj_cite_digits, tag_in_seg);
+  /+ (incrementally build toc) table of contents here! +/
+  _anchor_tag                   = obj_cite_digits.identifier;
+  the_table_of_contents_section = obj_im.flow_table_of_contents_gather_headings(
+    an_object,
+    conf_make_meta,
+    tag_in_seg,
+    _anchor_tag,
+    lev4_subtoc,
+    the_table_of_contents_section,
+  );
+  if (an_object["lev_markup_number"] == "4") {
+    segnames["html"] ~= tag_in_seg["seg_lv4"];
+    html_segnames_ptr = html_segnames_ptr_cntr;
+    html_segnames_ptr_cntr++;
+  }
+  if (an_object["lev_markup_number"].to!int <= 4) {
+    segnames["epub"] ~= tag_in_seg["seg_lv1_to_4"];
+  }
+  auto comp_obj_heading
+    = node_construct.node_emitter_heading(
+      an_object["substantive"],
+      an_object["lev_markup_number"],
+      an_object["lev_collapsed_number"],
+      an_object["dummy_heading_status"],
+      tag_in_seg,
+      lev_anchor_tag,
+      tag_assoc,
+      obj_cite_digits,                              // OCNset
+      cntr,                                         // int
+      heading_ptr,                                  // int
+      lv_ancestors_txt,                             // string[]
+      an_object["is"],                              // string
+      html_segnames_ptr,                            // int
+      substantive_object_and_anchor_tags_tuple[sObj.notes_reg],
+      substantive_object_and_anchor_tags_tuple[sObj.notes_star],
+      substantive_object_and_anchor_tags_tuple[sObj.links],
+    );
+  ++heading_ptr;
+  debug(segments) {
+    writeln(an_object["lev_markup_number"]);
+    writeln(tag_in_seg["seg_lv4"]);
+    writeln(tag_in_seg["seg_lv1_to_4"]);
+  }
+  the_document_body_section ~= comp_obj_heading;
+  debug(objectrelated1) { // check
+    writeln(line);
+  }
+  flow_common_reset_(line_occur, an_object, obj_type_status);
+  an_object.remove("lev");
+  an_object.remove("lev_markup_number");
+  processing.remove("verse");
+  ++cntr;
+#+END_SRC
+
+******* paragraph object                             :paragraph:object:
+
+#+name: abs_in_loop_body_not_block_obj_line_empty
+#+BEGIN_SRC d
+} else if ((obj_type_status["para"] == State.on)
+&& (line_occur["para"] > State.off)) {
+  /+ paragraph object (current line empty) +/
+  /+ repeated character paragraph separator +/
+  if ((an_object[an_object_key].to!string).matchFirst(rgx.repeated_character_line_separator)) {
+    obj_type_status["ocn_status"]                          = OCNstatus.off;
+  }
+  obj_cite_digits = ocn_emit(obj_type_status["ocn_status"]);
+  an_object["bookindex_nugget"]
+    = ("bookindex_nugget" in an_object) ? an_object["bookindex_nugget"] : "";
+  bookindex_unordered_hashes
+    = bookindex_extract_hash.bookindex_nugget_hash(an_object["bookindex_nugget"], obj_cite_digits, tag_in_seg);
+  an_object["is"] = "para";
+  auto comp_obj_heading
+    = node_construct.node_location_emitter(
+      content_non_header,
+      tag_in_seg,
+      lev_anchor_tag,
+      tag_assoc,
+      obj_cite_digits,
+      cntr,
+      heading_ptr-1,
+      an_object["is"],
+    );
+  auto substantive_obj_misc_tuple
+    = obj_im.obj_inline_markup_and_anchor_tags_and_misc(an_object, an_object_key, conf_make_meta, No._new_doc);
+  an_object["substantive"] = substantive_obj_misc_tuple[sObj.content];
+  anchor_tag = substantive_obj_misc_tuple[sObj.anchor_tag];
+  comp_obj_para                                             = comp_obj_para.init;
+  comp_obj_para.metainfo.is_of_part                         = "body";
+  comp_obj_para.metainfo.is_of_section                      = "body";
+  comp_obj_para.metainfo.is_of_type                         = "para";
+  comp_obj_para.metainfo.is_a                               = "para";
+  comp_obj_para.text                                        = an_object["substantive"].to!string.strip;
+  comp_obj_para.tags.html_segment_anchor_tag_is             = tag_in_seg["seg_lv4"];
+  comp_obj_para.tags.epub_segment_anchor_tag_is             = tag_in_seg["seg_lv1_to_4"];
+  comp_obj_para.metainfo.ocn                                = obj_cite_digits.object_number;
+  comp_obj_para.metainfo.identifier                         = obj_cite_digits.identifier;
+  comp_obj_para.metainfo.object_number_off                  = (obj_cite_digits.off==0)   ? true : false; // TODO
+  comp_obj_para.metainfo.o_n_book_index                     = obj_cite_digits.bkidx;
+  comp_obj_para.metainfo.object_number_type                 = obj_cite_digits.type;
+  comp_obj_para.attrib.indent_hang                          = indent["hang_position"];
+  comp_obj_para.attrib.indent_base                          = indent["base_position"];
+  comp_obj_para.attrib.bullet                               = bullet;
+  comp_obj_para.tags.anchor_tags                            = [anchor_tag];
+  comp_obj_para.has.inline_notes_reg                        = substantive_obj_misc_tuple[sObj.notes_reg];
+  comp_obj_para.has.inline_notes_star                       = substantive_obj_misc_tuple[sObj.notes_star];
+  comp_obj_para.has.inline_links                            = substantive_obj_misc_tuple[sObj.links];
+  comp_obj_para.has.image_without_dimensions                = substantive_obj_misc_tuple[sObj.image_no_dimensions];
+  the_document_body_section                                 ~= comp_obj_para;
+  tag_assoc                                                 = an_object.inline_para_link_anchor(tag_in_seg, tag_assoc);
+  flow_common_reset_(line_occur, an_object, obj_type_status);
+  indent=[
+    "hang_position" : 0,
+    "base_position" : 0,
+  ];
+  bullet = false;
+  processing.remove("verse");
+  ++cntr;
+} else {
+  // could be useful to test line variable should be empty and never null
+}
+#+END_SRC
+
+*** regular _text objects_ identified                        :text:paragraph:
+
+#+name: abs_in_loop_body_01
+#+BEGIN_SRC d
+/+ unless (the_document_body_section.length == 0) ? +/
+if (the_document_body_section.length > 0) {
+  if (((the_document_body_section[$-1].metainfo.is_a == "para")
+    || (the_document_body_section[$-1].metainfo.is_a == "heading")
+    || (the_document_body_section[$-1].metainfo.is_a == "quote")
+    || (the_document_body_section[$-1].metainfo.is_a == "group")
+    || (the_document_body_section[$-1].metainfo.is_a == "block")
+    || (the_document_body_section[$-1].metainfo.is_a == "verse"))
+  && (the_document_body_section.length > previous_length)) {
+    if ((the_document_body_section[$-1].metainfo.is_a == "heading")
+    && (the_document_body_section[$-1].metainfo.heading_lev_markup < 5)) {
+      obj_type_status["glossary_section"] = State.off;
+      obj_type_status["biblio_section"]   = State.off;
+      obj_type_status["blurb_section"]    = State.off;
+    }
+    if (the_document_body_section[$-1].metainfo.is_a == "verse") {             /+ scan for endnotes for whole poem (each verse in poem) +/
+      foreach (i; previous_length .. the_document_body_section.length) {
+        if (the_document_body_section[i].metainfo.is_a == "verse") {
+          if ((the_document_body_section[i].text).match(
+            rgx.inline_notes_al_all_note
+          )) {
+            note_section.gather_notes_for_endnote_section(
+              the_document_body_section,
+              tag_in_seg,
+              (i).to!int,
+            );
+          }
+        }
+      }
+    } else {                                                                   /+ scan object for endnotes +/
+      previous_length = the_document_body_section.length.to!int;
+      if ((the_document_body_section[$-1].text).match(
+        rgx.inline_notes_al_all_note
+      )) {
+        previous_count=(the_document_body_section.length -1).to!int;
+        note_section.gather_notes_for_endnote_section(
+          the_document_body_section,
+          tag_in_seg,
+          (the_document_body_section.length-1).to!int,
+        );
+      }
+    }
+    previous_length = the_document_body_section.length.to!int;
+  }
+}
+#+END_SRC
+
+** 3. _post main-loop processing_                                       :post:
+*** misc
+
+/+
+  Backmatter:
+  - endnotes
+  - glossary
+  - bibliography / references
+  - book index
+  - blurb
++/
+
+*** tie up preparation of document sections
+**** endnotes section (scroll & seg)                            :endnotes:
+
+#+name: abs_post
+#+BEGIN_SRC d
+auto en_tuple
+  = note_section.endnote_objects(obj_cite_digits, opt_action);
+static assert(!isTypeTuple!(en_tuple));
+auto the_endnotes_section = en_tuple[0];
+obj_cite_digits = en_tuple[1];
+debug(endnotes) {
+  writefln(
+    "%s %s",
+    __LINE__,
+    the_endnotes_section.length
+  );
+  foreach (o; the_endnotes_section) {
+    writeln(o);
+  }
+}
+#+END_SRC
+
+**** no glossary section?                                       :glossary:
+
+#+name: abs_post
+#+BEGIN_SRC d
+if (an_object["glossary_nugget"].length == 0) {
+  comp_obj_heading_                                 = comp_obj_heading_.init;
+  comp_obj_heading_.metainfo.is_of_part             = "empty";
+  comp_obj_heading_.metainfo.is_of_section          = "empty";
+  comp_obj_heading_.metainfo.is_of_type             = "para";
+  comp_obj_heading_.metainfo.is_a                   = "heading";
+  comp_obj_heading_.text                            = "(skip) there is no Glossary section";
+  comp_obj_heading_.metainfo.ocn                    = 0;
+  comp_obj_heading_.metainfo.identifier             = "";
+  comp_obj_heading_.metainfo.dummy_heading          = true;
+  comp_obj_heading_.metainfo.object_number_off      = true;
+  comp_obj_heading_.metainfo.object_number_type     = 0;
+  comp_obj_heading_.metainfo.heading_lev_markup     = 1;
+  comp_obj_heading_.metainfo.heading_lev_collapsed  = 1;
+  comp_obj_heading_.metainfo.parent_ocn             = 1;
+  comp_obj_heading_.metainfo.parent_lev_markup      = 0;
+  the_glossary_section                              ~= comp_obj_heading_;
+}
+debug(glossary) {
+  foreach (gloss; the_glossary_section) {
+    writeln(gloss.text);
+  }
+}
+#+END_SRC
+
+**** bibliography section (objects)                         :bibliography:
+
+#+name: abs_post
+#+BEGIN_SRC d
+auto biblio_unsorted_incomplete = biblio_arr_json.dup;
+auto biblio = Bibliography();
+auto biblio_ordered
+  = biblio.flow_bibliography_(biblio_unsorted_incomplete, bib_arr_json);
+#+END_SRC
+
+#+name: abs_post
+#+BEGIN_SRC d
+if (biblio_ordered.length > 0) {
+  {
+    comp_obj_heading_                                 = comp_obj_heading_.init;
+    comp_obj_heading_.metainfo.is_of_part             = "backmatter";
+    comp_obj_heading_.metainfo.is_of_section          = "bibliography";
+    comp_obj_heading_.metainfo.is_of_type             = "para";
+    comp_obj_heading_.metainfo.is_a                   = "heading";
+    comp_obj_heading_.text                            = "Bibliography";
+    comp_obj_heading_.metainfo.ocn                    = 0;
+    comp_obj_heading_.metainfo.identifier             = "";
+    comp_obj_heading_.metainfo.dummy_heading          = true;
+    comp_obj_heading_.metainfo.object_number_off      = true;
+    comp_obj_heading_.metainfo.object_number_type     = 0;
+    comp_obj_heading_.tags.segment_anchor_tag_epub    = "_part_bibliography";
+    comp_obj_heading_.tags.anchor_tag_html            = comp_obj_heading_.tags.segment_anchor_tag_epub;
+    comp_obj_heading_.tags.in_segment_html            = "bibliography";
+    comp_obj_heading_.tags.anchor_tags                = ["section_bibliography"];
+    comp_obj_heading_.metainfo.heading_lev_markup     = 1;
+    comp_obj_heading_.metainfo.heading_lev_collapsed  = 1;
+    comp_obj_heading_.metainfo.parent_ocn             = 1;
+    comp_obj_heading_.metainfo.parent_lev_markup      = 0;
+    the_bibliography_section                          ~= comp_obj_heading_;
+    tag_assoc[comp_obj_heading_.tags.anchor_tag_html]["seg_lv4"]              = comp_obj_heading_.tags.in_segment_html;
+    tag_assoc[comp_obj_heading_.tags.segment_anchor_tag_epub]["seg_lv1_to_4"] = comp_obj_heading_.tags.segment_anchor_tag_epub;
+  }
+  {
+    comp_obj_heading_                                 = comp_obj_heading_.init;
+    comp_obj_heading_.metainfo.is_of_part             = "backmatter";
+    comp_obj_heading_.metainfo.is_of_section          = "bibliography";
+    comp_obj_heading_.metainfo.is_of_type             = "para";
+    comp_obj_heading_.metainfo.is_a                   = "heading";
+    comp_obj_heading_.text                            = "Bibliography";
+    comp_obj_heading_.metainfo.ocn                    = 0;
+    comp_obj_heading_.metainfo.identifier             = "";
+    comp_obj_heading_.metainfo.dummy_heading          = true;
+    comp_obj_heading_.metainfo.object_number_off      = true;
+    comp_obj_heading_.metainfo.object_number_type     = 0;
+    comp_obj_heading_.tags.segment_anchor_tag_epub    = "bibliography";
+    comp_obj_heading_.tags.anchor_tag_html            = comp_obj_heading_.tags.segment_anchor_tag_epub;
+    comp_obj_heading_.tags.in_segment_html            = comp_obj_heading_.tags.anchor_tag_html;
+    comp_obj_heading_.metainfo.heading_lev_markup     = 4;
+    comp_obj_heading_.metainfo.heading_lev_collapsed  = 2;
+    comp_obj_heading_.metainfo.parent_ocn             = 1;
+    comp_obj_heading_.metainfo.parent_lev_markup      = 0;
+    comp_obj_heading_.tags.anchor_tags                = ["bibliography"];
+    the_bibliography_section                          ~= comp_obj_heading_;
+    tag_assoc[comp_obj_heading_.tags.anchor_tag_html]["seg_lv4"]              = comp_obj_heading_.tags.in_segment_html;
+    tag_assoc[comp_obj_heading_.tags.segment_anchor_tag_epub]["seg_lv1_to_4"] = comp_obj_heading_.tags.segment_anchor_tag_epub;
+  }
+} else {
+  comp_obj_heading_                                 = comp_obj_heading_.init;
+  comp_obj_heading_.metainfo.is_of_part             = "empty";
+  comp_obj_heading_.metainfo.is_of_section          = "empty";
+  comp_obj_heading_.metainfo.is_of_type             = "para";
+  comp_obj_heading_.metainfo.is_a                   = "heading";
+  comp_obj_heading_.text                            = "(skip) there is no Bibliography";
+  comp_obj_heading_.metainfo.ocn                    = 0;
+  comp_obj_heading_.metainfo.identifier             = "";
+  comp_obj_heading_.metainfo.dummy_heading          = true;
+  comp_obj_heading_.metainfo.object_number_off      = true;
+  comp_obj_heading_.metainfo.object_number_type     = 0;
+  comp_obj_heading_.metainfo.heading_lev_markup     = 1;
+  comp_obj_heading_.metainfo.heading_lev_collapsed  = 1;
+  comp_obj_heading_.metainfo.parent_ocn             = 1;
+  comp_obj_heading_.metainfo.parent_lev_markup      = 0;
+  the_bibliography_section                          ~= comp_obj_heading_;
+}
+#+END_SRC
+
+***** format biblio string
+
+#+name: abs_post
+#+BEGIN_SRC d
+string out_;
+foreach (entry; biblio_ordered) {
+  out_ = format(
+    "%s \"%s\"%s%s%s%s%s%s%s%s%s.",
+    ((entry["author"].str.empty) ? entry["editor"].str : entry["author"].str),
+    entry["fulltitle"].str,
+    ((entry["journal"].str.empty) ? "" : ", " ~ mkup.italic ~ mkup.ff_o ~ entry["journal"].str ~ mkup.ff_c ~ mkup.italic),
+    ((entry["volume"].str.empty) ? "" : ", " ~ entry["volume"].str),
+    ((entry["in"].str.empty) ? "" : ", " ~ entry["in"].str),
+    ((!(entry["author"].str.empty) && (!(entry["editor"].str.empty))) ? entry["editor"].str : ""),
+    ", " ~ entry["year"].str,
+    ((entry["pages"].str.empty) ? "" : ", " ~ entry["pages"].str),
+    ((entry["publisher"].str.empty) ? "" : ", " ~ entry["publisher"].str),
+    ((entry["place"].str.empty) ? "" : ", " ~ entry["place"].str),
+    ((entry["url"].str.empty) ? "" : ", [" ~ entry["url"].str ~ "]"),
+  );
+  comp_obj_para                               = comp_obj_para.init;
+  comp_obj_para.metainfo.is_of_part           = "backmatter";
+  comp_obj_para.metainfo.is_of_section        = "bibliography";
+  comp_obj_para.metainfo.is_of_type           = "para";
+  comp_obj_para.metainfo.is_a                 = "bibliography";
+  comp_obj_para.text                          = out_.to!string.strip;
+  comp_obj_para.metainfo.ocn                  = 0;
+  comp_obj_para.metainfo.identifier           = "";
+  comp_obj_para.metainfo.object_number_off    = true;
+  comp_obj_para.metainfo.object_number_type   = 0;
+  comp_obj_para.attrib.indent_hang            = 0;
+  comp_obj_para.attrib.indent_base            = 1;
+  comp_obj_para.attrib.bullet                 = bullet;
+  comp_obj_para.tags.anchor_tags              = [anchor_tag];
+  the_bibliography_section                    ~= comp_obj_para;
+}
+#+END_SRC
+
+#+name: abs_post
+#+BEGIN_SRC d
+debug(bibliosection) {
+  foreach (o; the_bibliography_section) {
+    writeln(o.text);
+  }
+}
+#+END_SRC
+
+***** bibliography components
+
+JSONValue biblio_entry_tags_jsonstr =  `{
+  "is"                               : "",
+  "sortby_deemed_author_year_title"  : "",
+  "deemed_author"                    : "",
+  "author_raw"                       : "",
+  "author"                           : "",
+  "author_arr"                       : [ "" ],
+  "editor_raw"                       : "",
+  "editor"                           : "",
+  "editor_arr"                       : [ "" ],
+  "title"                            : "",
+  "subtitle"                         : "",
+  "fulltitle"                        : "",
+  "language"                         : "",
+  "trans"                            : "",
+  "src"                              : "",
+  "journal"                          : "",
+  "in"                               : "",
+  "volume"                           : "",
+  "edition"                          : "",
+  "year"                             : "",
+  "place"                            : "",
+  "publisher"                        : "",
+  "url"                              : "",
+  "pages"                            : "",
+  "note"                             : "",
+  "short_name"                       : "",
+  "id"                               : ""
+}`; // is: book, article, magazine, newspaper, blog, other
+
+**** bookindex section (scroll & seg)                         :book:index:
+
+#+name: abs_post
+#+BEGIN_SRC d
+auto bi = BookIndexReportSection();
+auto bi_tuple
+  = bi.bookindex_build_abstraction_section(
+    bookindex_unordered_hashes,
+    obj_cite_digits,
+    opt_action,
+  );
+destroy(bookindex_unordered_hashes);
+static assert(!isTypeTuple!(bi_tuple));
+auto the_bookindex_section = bi_tuple[0];
+obj_cite_digits = bi_tuple[1];
+debug(bookindex) {
+  foreach (bi_entry; the_bookindex_section) {
+    writeln(bi_entry);
+  }
+}
+#+END_SRC
+
+**** no blurb section?                                             :blurb:
+
+#+name: abs_post
+#+BEGIN_SRC d
+if (an_object["blurb_nugget"].length == 0) {
+  comp_obj_heading_                                = comp_obj_heading_.init;
+  comp_obj_heading_.metainfo.is_of_part            = "empty";
+  comp_obj_heading_.metainfo.is_of_section         = "empty";
+  comp_obj_heading_.metainfo.is_of_type            = "para";
+  comp_obj_heading_.metainfo.is_a                  = "heading";
+  comp_obj_heading_.text                           = "(skip) there is no Blurb section";
+  comp_obj_heading_.metainfo.ocn                   = 0;
+  comp_obj_heading_.metainfo.identifier            = "";
+  comp_obj_para.metainfo.object_number_off         = true;
+  comp_obj_para.metainfo.object_number_type        = 0;
+  comp_obj_heading_.tags.segment_anchor_tag_epub   = "";
+  comp_obj_heading_.tags.anchor_tag_html           = "";
+  comp_obj_heading_.tags.in_segment_html           = "";
+  comp_obj_heading_.metainfo.heading_lev_markup    = 1;
+  comp_obj_heading_.metainfo.heading_lev_collapsed = 1;
+  comp_obj_heading_.metainfo.parent_ocn            = 1;
+  comp_obj_heading_.metainfo.parent_lev_markup     = 0;
+  the_blurb_section                                ~= comp_obj_heading_;
+}
+debug(blurb) {
+  foreach (blurb; the_blurb_section) {
+    writeln(blurb.text);
+  }
+}
+#+END_SRC
+
+**** toc backmatter, table of contents backmatter (scroll & seg) :contents:
+
+#+name: abs_post
+#+BEGIN_SRC d
+indent=[
+  "hang_position" : 1,
+  "base_position" : 1,
+];
+comp_obj_toc                               = comp_obj_toc.init;
+comp_obj_toc.metainfo.is_of_part           = "frontmatter";
+comp_obj_toc.metainfo.is_of_section        = "toc";
+comp_obj_toc.metainfo.is_of_type           = "para";
+comp_obj_toc.metainfo.is_a                 = "toc";
+comp_obj_toc.metainfo.ocn                  = 0;
+comp_obj_toc.metainfo.identifier           = "";
+comp_obj_toc.metainfo.object_number_off    = true;
+comp_obj_toc.metainfo.object_number_type   = 0;
+comp_obj_toc.attrib.indent_hang            = indent["hang_position"];
+comp_obj_toc.attrib.indent_base            = indent["base_position"];
+comp_obj_toc.attrib.bullet                 = false;
+if (the_endnotes_section.length > 1) {
+  toc_txt_ = format(
+    mkup.lnk_o ~ "%s" ~ mkup.lnk_c ~  mkup.url_o ~ "#%s"~  mkup.url_c,
+    "Endnotes",
+    "endnotes",
+  );
+  toc_txt_= toc_txt_.links_and_images;
+  comp_obj_toc.text                       = toc_txt_.to!string.strip;
+  comp_obj_toc.has.inline_links           = true;
+  the_table_of_contents_section           ~= comp_obj_toc;
+}
+if (the_glossary_section.length > 1) {
+  toc_txt_ = format(
+    mkup.lnk_o ~ "%s" ~ mkup.lnk_c ~  mkup.url_o ~ "#%s"~  mkup.url_c,
+    "Glossary",
+    "glossary",
+  );
+  toc_txt_= toc_txt_.links_and_images;
+  comp_obj_toc.text                       = toc_txt_.to!string.strip;
+  comp_obj_toc.has.inline_links           = true;
+  the_table_of_contents_section           ~= comp_obj_toc;
+}
+if (the_bibliography_section.length > 1){
+  toc_txt_ = format(
+    mkup.lnk_o ~ "%s" ~ mkup.lnk_c ~  mkup.url_o ~ "#%s"~  mkup.url_c,
+    "Bibliography",
+    "bibliography",
+  );
+  toc_txt_= toc_txt_.links_and_images;
+  comp_obj_toc.text                       = toc_txt_.to!string.strip;
+  comp_obj_toc.has.inline_links           = true;
+  the_table_of_contents_section           ~= comp_obj_toc;
+}
+if (the_bookindex_section.length > 1) {
+  toc_txt_ = format(
+    mkup.lnk_o ~ "%s" ~ mkup.lnk_c ~  mkup.url_o ~ "#%s"~  mkup.url_c,
+    "Book Index",
+    "bookindex",
+  );
+  toc_txt_= toc_txt_.links_and_images;
+  comp_obj_toc.text                       = toc_txt_.to!string.strip;
+  comp_obj_toc.has.inline_links           = true;
+  the_table_of_contents_section           ~= comp_obj_toc;
+}
+if (the_blurb_section.length > 1) {
+  toc_txt_ = format(
+    mkup.lnk_o ~ "%s" ~ mkup.lnk_c ~  mkup.url_o ~ "#%s"~  mkup.url_c,
+    "Blurb",
+    "blurb",
+  );
+  toc_txt_= toc_txt_.links_and_images;
+  comp_obj_toc.has.inline_links           = true;
+  comp_obj_toc.text                       = toc_txt_.to!string.strip;
+  the_table_of_contents_section           ~= comp_obj_toc;
+}
+debug(toc) {
+  writefln(
+    "%s %s",
+    __LINE__,
+  );
+  foreach (toc_linked_heading; the_table_of_contents_section) {
+    writeln(mkup.indent_by_spaces_provided(toc_linked_heading.attrib.indent_hang), toc_linked_heading.text);
+  }
+}
+#+END_SRC
+
+**** doc head (separate document head from body, make space for toc)
+
+#+name: abs_post
+#+BEGIN_SRC d
+the_document_head_section ~= the_document_body_section[0];
+the_document_body_section=the_document_body_section[1..$];
+#+END_SRC
+
+*** ↻ *LOOPs* _post main-loop loops_                                :loop:post:
+**** 1. ↻ _Loop as required_ (e.g. backmatter): loop up to lev4, extract html_segnames, set pointers
+
+this extra loop is used/needed to determine pre and (in particular) next segment
+for html, that is then used in a subsequent loop
+
+NOTE there are issues attempting to do this on first pass as:
+  - backmatter is created out of sequence and
+  - it is not certain which are present
+
+  - it is quite neat to have all in one place as we have here
+
+  - could optimise a bit by
+    - skipping this loop unless the html seg or epub output is selected
+
+***** Methods
+****** get ancestors markup
+
+#+name: abs_post
+#+BEGIN_SRC d
+int[] _get_ancestors_markup(O)(O obj, ref int[] _ancestors_markup) {
+  if (obj.metainfo.is_a == "heading") {
+    debug(dom) {
+      writeln(obj.text);
+    }
+    if (obj.metainfo.heading_lev_markup == 1) {
+      _ancestors_markup = [
+        _ancestors_markup[0],
+        0,0,0,0,0,0,0
+      ];
+    }
+    if (obj.metainfo.heading_lev_markup == 2) {
+      _ancestors_markup = [
+        _ancestors_markup[0],
+        _ancestors_markup[1],
+        0,0,0,0,0,0
+      ];
+    }
+    if (obj.metainfo.heading_lev_markup == 3) {
+      _ancestors_markup = [
+        _ancestors_markup[0],
+        _ancestors_markup[1],
+        _ancestors_markup[2],
+        0,0,0,0,0
+      ];
+    }
+    if (obj.metainfo.heading_lev_markup == 4) {
+      _ancestors_markup = [
+        _ancestors_markup[0],
+        _ancestors_markup[1],
+        _ancestors_markup[2],
+        _ancestors_markup[3],
+        0,0,0,0
+      ];
+    }
+    if (obj.metainfo.heading_lev_markup == 5) {
+      _ancestors_markup = [
+        _ancestors_markup[0],
+        _ancestors_markup[1],
+        _ancestors_markup[2],
+        _ancestors_markup[3],
+        _ancestors_markup[4],
+        0,0,0
+      ];
+    }
+    if (obj.metainfo.heading_lev_markup == 6) {
+      _ancestors_markup = [
+        _ancestors_markup[0],
+        _ancestors_markup[1],
+        _ancestors_markup[2],
+        _ancestors_markup[3],
+        _ancestors_markup[4],
+        _ancestors_markup[5],
+        0,0
+      ];
+    }
+    if (obj.metainfo.heading_lev_markup == 7) {
+      _ancestors_markup = [
+        _ancestors_markup[0],
+        _ancestors_markup[1],
+        _ancestors_markup[2],
+        _ancestors_markup[3],
+        _ancestors_markup[4],
+        _ancestors_markup[5],
+        _ancestors_markup[6],
+        0
+      ];
+    }
+    if (obj.metainfo.heading_lev_markup == 8) {
+      _ancestors_markup = [
+        _ancestors_markup[0],
+        _ancestors_markup[1],
+        _ancestors_markup[2],
+        _ancestors_markup[3],
+        _ancestors_markup[4],
+        _ancestors_markup[5],
+        _ancestors_markup[6],
+        _ancestors_markup[7]
+      ];
+    }
+    _ancestors_markup[obj.metainfo.heading_lev_markup] = obj.metainfo.ocn;
+  }
+  debug(ancestor_markup) {
+    writeln("marked up: ", _ancestors_markup);
+  }
+  return _ancestors_markup;
+}
+#+END_SRC
+
+****** get ancestors collapsed
+
+#+name: abs_post
+#+BEGIN_SRC d
+int[] _get_ancestors_collapsed(O)(O obj, ref int[] _ancestors_collapsed) {
+  if (obj.metainfo.is_a == "heading") {
+    if (obj.metainfo.heading_lev_collapsed == 1) {
+      _ancestors_collapsed = [
+        _ancestors_collapsed[0],
+        0,0,0,0,0,0,0
+      ];
+    }
+    if (obj.metainfo.heading_lev_collapsed == 2) {
+      _ancestors_collapsed = [
+        _ancestors_collapsed[0],
+        _ancestors_collapsed[1],
+        0,0,0,0,0,0
+      ];
+    }
+    if (obj.metainfo.heading_lev_collapsed == 3) {
+      _ancestors_collapsed = [
+        _ancestors_collapsed[0],
+        _ancestors_collapsed[1],
+        _ancestors_collapsed[2],
+        0,0,0,0,0
+      ];
+    }
+    if (obj.metainfo.heading_lev_collapsed == 4) {
+      _ancestors_collapsed = [
+        _ancestors_collapsed[0],
+        _ancestors_collapsed[1],
+        _ancestors_collapsed[2],
+        _ancestors_collapsed[3],
+        0,0,0,0
+      ];
+    }
+    if (obj.metainfo.heading_lev_collapsed == 5) {
+      _ancestors_collapsed = [
+        _ancestors_collapsed[0],
+        _ancestors_collapsed[1],
+        _ancestors_collapsed[2],
+        _ancestors_collapsed[3],
+        _ancestors_collapsed[4],
+        0,0,0
+      ];
+    }
+    if (obj.metainfo.heading_lev_collapsed == 6) {
+      _ancestors_collapsed = [
+        _ancestors_collapsed[0],
+        _ancestors_collapsed[1],
+        _ancestors_collapsed[2],
+        _ancestors_collapsed[3],
+        _ancestors_collapsed[4],
+        _ancestors_collapsed[5],
+        0,0
+      ];
+    }
+    if (obj.metainfo.heading_lev_collapsed == 7) {
+      _ancestors_collapsed = [
+        _ancestors_collapsed[0],
+        _ancestors_collapsed[1],
+        _ancestors_collapsed[2],
+        _ancestors_collapsed[3],
+        _ancestors_collapsed[4],
+        _ancestors_collapsed[5],
+        _ancestors_collapsed[6],
+        0
+      ];
+    }
+    if (obj.metainfo.heading_lev_collapsed == 8) {
+      _ancestors_collapsed = [
+        _ancestors_collapsed[0],
+        _ancestors_collapsed[1],
+        _ancestors_collapsed[2],
+        _ancestors_collapsed[3],
+        _ancestors_collapsed[4],
+        _ancestors_collapsed[5],
+        _ancestors_collapsed[6],
+        _ancestors_collapsed[7]
+      ];
+    }
+    _ancestors_collapsed[obj.metainfo.heading_lev_collapsed] = obj.metainfo.ocn;
+  }
+  debug(ancestor_collapsed) {
+    writeln("collapsed: ", _ancestors_collapsed);
+  }
+  return _ancestors_collapsed;
+}
+#+END_SRC
+
+***** ↻ Loop section: document body [bd]
+
+- substantive object numbers already exist
+- number un-numbered non-substantive text
+
+#+name: abs_post
+#+BEGIN_SRC d
+/+ multiple 1~ levels, loop through document body +/
+if (the_document_body_section.length > 1) {
+  int[] _ancestors_markup = [0,0,0,0,0,0,0,0];
+  int[][] _ancestors_markup_;
+  _ancestors_markup = [1,0,0,0,0,0,0,0];
+  _ancestors_markup_ ~= _ancestors_markup;
+  int[] _ancestors_collapsed = [0,0,0,0,0,0,0,0];
+  int[][] _ancestors_collapsed_;
+  _ancestors_collapsed = [1,0,0,0,0,0,0,0];
+  _ancestors_collapsed_ ~= _ancestors_collapsed;
+  foreach (ref obj; the_document_body_section) {
+    if (obj.metainfo.is_a == "heading") {
+      obj.metainfo.markedup_ancestors = _get_ancestors_markup(obj, _ancestors_markup);
+      obj.metainfo.collapsed_ancestors = _get_ancestors_collapsed(obj, _ancestors_collapsed);
+      obj.metainfo.parent_ocn = obj.metainfo.markedup_ancestors[obj.metainfo.parent_lev_markup];
+    }
+  }
+  debug(ancestors) {
+    writeln("ancestors markup o_n:    ", obj.metainfo.markedup_ancestors);
+    writeln("ancestors collapsed o_n: ", obj.metainfo.markedup_ancestors);
+  }
+}
+#+END_SRC
+
+***** ↻ Loop section: endnotes [en]
+
+#+name: abs_post
+#+BEGIN_SRC d
+if (the_endnotes_section.length > 1) {
+  segnames["html"] ~= "endnotes";
+  segnames["epub"] ~= "endnotes";
+  html_segnames_ptr = html_segnames_ptr_cntr;
+  foreach (ref obj; the_endnotes_section) {
+    if (obj.metainfo.is_a == "heading") {
+      obj.metainfo.parent_ocn = obj.metainfo.markedup_ancestors[obj.metainfo.parent_lev_markup];
+    }
+    if (obj.metainfo.heading_lev_markup == 4) {
+      obj.ptr.html_segnames = html_segnames_ptr;
+      break;
+    }
+  }
+  html_segnames_ptr_cntr++;
+}
+#+END_SRC
+
+***** ↻ Loop section: glossary [gl]
+
+#+name: abs_post
+#+BEGIN_SRC d
+if (the_glossary_section.length > 1) {
+  segnames["html"] ~= "glossary";
+  segnames["epub"] ~= "glossary";
+  html_segnames_ptr = html_segnames_ptr_cntr;
+  foreach (ref obj; the_glossary_section) {
+    if (obj.metainfo.is_a == "heading") {
+      obj.metainfo.parent_ocn = obj.metainfo.markedup_ancestors[obj.metainfo.parent_lev_markup];
+    }
+    if (obj.metainfo.heading_lev_markup == 4) {
+      obj.ptr.html_segnames = html_segnames_ptr;
+      break;
+    }
+  }
+  html_segnames_ptr_cntr++;
+}
+#+END_SRC
+
+***** ↻ Loop section: bibliography [bb]
+
+#+name: abs_post
+#+BEGIN_SRC d
+if (the_bibliography_section.length > 1) {
+  segnames["html"] ~= "bibliography";
+  segnames["epub"] ~= "bibliography";
+  html_segnames_ptr = html_segnames_ptr_cntr;
+  foreach (ref obj; the_bibliography_section) {
+    if (obj.metainfo.is_a == "heading") {
+      obj.metainfo.parent_ocn = obj.metainfo.markedup_ancestors[obj.metainfo.parent_lev_markup];
+    }
+    if (obj.metainfo.heading_lev_markup == 4) {
+      obj.ptr.html_segnames = html_segnames_ptr;
+      break;
+    }
+  }
+  html_segnames_ptr_cntr++;
+}
+#+END_SRC
+
+***** ↻ Loop section: book index [bi]
+
+#+name: abs_post
+#+BEGIN_SRC d
+if (the_bookindex_section.length > 1) {
+  segnames["html"] ~= "bookindex";
+  segnames["epub"] ~= "bookindex";
+  html_segnames_ptr = html_segnames_ptr_cntr;
+  foreach (ref obj; the_bookindex_section) {
+    if (obj.metainfo.is_a == "heading") {
+      obj.metainfo.parent_ocn = obj.metainfo.markedup_ancestors[obj.metainfo.parent_lev_markup];
+    }
+    if (obj.metainfo.heading_lev_markup == 4) {
+      obj.ptr.html_segnames = html_segnames_ptr;
+      break;
+    }
+  }
+  html_segnames_ptr_cntr++;
+}
+#+END_SRC
+
+***** ↻ Loop section: blurb [bl]
+
+#+name: abs_post
+#+BEGIN_SRC d
+if (the_blurb_section.length > 1) {
+  segnames["html"] ~= "blurb";
+  segnames["epub"] ~= "blurb";
+  html_segnames_ptr = html_segnames_ptr_cntr;
+  foreach (ref obj; the_blurb_section) {
+    if (obj.metainfo.is_a == "heading") {
+      obj.metainfo.parent_ocn = obj.metainfo.markedup_ancestors[obj.metainfo.parent_lev_markup];
+    }
+    if (obj.metainfo.heading_lev_markup == 4) {
+      obj.ptr.html_segnames = html_segnames_ptr;
+      break;
+    }
+  }
+  html_segnames_ptr_cntr++;
+}
+#+END_SRC
+
+**** 2. ↻ _Loop all objects:_ encode _structural relationships_ (sections, segments, objects)
+
+needed for DOM structure, segnames & subtoc, backmatter pointers & unique image
+list
+
+if used minimally only for DOM structure, segnames, subtoc, could optimise by
+- skipping second and third pass unless the output html seg or epub is being
+  made!
+
+- this loop could conveniently be used more extensively for ancestors as well
+  (though this information can be extracted earlier)
+
+Build here:
+- DOM structure
+  - ancestors & decendants
+    - ancestors could be determined earlier, but convenient to have here
+    - descendants could be in the form of:
+      - headings contained under current heading, and/or;
+      - the range of objects under the current heading
+- numbering
+  - already given
+    - substantive object numbers
+    - endnote
+  - provide
+    - glossary
+    - bibliography
+    - book index
+    - blurb
+    - other non-substantive objects (prefix & other stuff)
+  - you could also decide on a sequential object list, containing all objects
+    (both substantive and non-substantive objects), in addition to ocn, which
+    are for substantive/ citable objects within the document
+
+(as needed) up to document heading 1~, lev4 html:
+
+- during this (the third) pass all previous and next segment names are known
+- next are not yet known for backmatter during the second pas
+
+***** Methods
+****** decendants
+
+#+name: abs_post
+#+BEGIN_SRC d
+auto get_decendants()(ObjGenericComposite[] document_sections) {
+  int[string] _heading_ocn_decendants;
+  string[] _ocn_open_key = ["","","","","","","",""];
+  auto _doc_sect_length = document_sections.length - 1;
+  int _last_ocn;
+  foreach (_lg, ref obj; document_sections) {
+    if (obj.metainfo.is_a == "heading") {
+      foreach (_dts_lv, dom_tag_status; obj.metainfo.dom_structure_markedup_tags_status) {
+        switch (dom_tag_status) with (DomTags) {
+        case none: break;
+        case open:
+            _ocn_open_key[_dts_lv] = (obj.metainfo.ocn).to!string;
+            _heading_ocn_decendants[_ocn_open_key[_dts_lv]] = obj.metainfo.ocn;
+          break;
+        case close:
+          if (_ocn_open_key[_dts_lv].empty) {
+            _ocn_open_key[_dts_lv] = "0";
+          }
+          _heading_ocn_decendants[_ocn_open_key[_dts_lv]] = obj.metainfo.ocn - 1;
+          _ocn_open_key[_dts_lv] = (0).to!string;
+          break;
+        case close_and_open:
+          if (_ocn_open_key[_dts_lv].empty) {
+            _ocn_open_key[_dts_lv] = "0";
+          }
+          _heading_ocn_decendants[_ocn_open_key[_dts_lv]] = obj.metainfo.ocn - 1;
+          _ocn_open_key[_dts_lv] = (obj.metainfo.ocn).to!string;
+          _heading_ocn_decendants[_ocn_open_key[_dts_lv]] = obj.metainfo.ocn;
+          break;
+        case open_still: break;
+        default: break;
+        }
+      }
+    }
+    if (obj.metainfo.ocn > 0) {
+      _last_ocn = obj.metainfo.ocn;
+    }
+    if (_lg == _doc_sect_length) {
+      _heading_ocn_decendants["1"] = _last_ocn; // close existing o_n key
+    }
+  }
+  Tuple!(int, int)[] pairs;
+  foreach (pair; _heading_ocn_decendants.byPair) {
+    pairs ~= tuple(pair[0].to!int, pair[1]);
+  }
+  return pairs.sort;
+}
+#+END_SRC
+
+****** images: extract
+
+#+name: abs_post
+#+BEGIN_SRC d
+string[] _images;
+string[] extract_images()(string content_block) {
+  string[] images_;
+  if (auto m = content_block.matchAll(rgx.image)) {
+    images_ ~= m.captures[1];
+  }
+  return images_;
+}
+string[] segnames_0_to_4;
+#+END_SRC
+
+****** images: dimensions
+
+#+name: abs_post
+#+BEGIN_SRC d
+auto _image_dimensions(O,M)(O obj, M manifested) {
+  if (obj.has.image_without_dimensions) {
+    import std.math;
+    import imageformats;
+    int w, h, chans;
+    real _w, _h;
+    int max_width = 640;
+    foreach (m; obj.text.matchAll(rgx.inline_image_without_dimensions)) {
+      debug(images) {
+        writeln(manifested.src.image_dir_path ~ "/" ~ m["img"]);
+      }
+      read_image_info(manifested.src.image_dir_path ~ "/" ~ m["img"], w, h, chans);
+      // calculate, decide max width and proportionally reduce to keep w & h within it
+      debug(images) {
+        writeln("width: ", w, ", height: ", h);
+      }
+      if (w > max_width) {
+        _w = max_width;
+        _h = round((max_width / w.to!real) * h.to!real);
+      } else {
+        _w = w;
+        _h = h;
+      }
+      obj.text = obj.text.replaceFirst(
+        rgx.inline_image_without_dimensions,
+        format(q"┃%s☼%s,w%sh%s %s┃",
+          "$1",
+          "$3",
+          _w.to!string,
+          _h.to!string,
+          "$6",
+        )
+      );
+    }
+    debug(images) {
+      writeln("image without dimensions: ", obj.text);
+    }
+  }
+  return obj;
+}
+#+END_SRC
+
+***** links: think about!!!
+- move actual links to an array in object struct so they cannot be regex munged within text block
+  - you may wish to exclude certain types of internal document link
+    - object number links
+      - toc
+      - book index
+    - footnotes and footnote numbers
+
+#+name: abs_post
+#+BEGIN_SRC d
+auto _links(O)(O obj) {
+  if (auto m = obj.text.match(rgx.inline_link_stow_uri)) {
+    debug(links) {
+      writeln("number of link matches to stow: ", (obj.text.match(rgx.inline_link_stow_uri)).count);
+      writeln("links to stow: ", (obj.text.match(rgx.inline_link_stow_uri)));
+    }
+    int _n_matches = (obj.text.match(rgx.inline_link_stow_uri)).count.to!int;
+    for(int i=0; i < _n_matches; ++i) {
+      if (obj.text.match(rgx.inline_link_stow_uri)) {
+        obj.stow.link ~= obj.text.matchFirst(rgx.inline_link_stow_uri)[2];
+        obj.text = obj.text.replaceFirst(
+          rgx.inline_link_stow_uri,
+          format(q"┃┥%s┝┤%s├┃", "$1", i)
+        );
+      }
+    }
+  }
+  return obj;
+}
+#+END_SRC
+
+***** ↻ Loop section: head
+
+#+name: abs_post
+#+BEGIN_SRC d
+foreach (ref obj; the_document_head_section) {
+  if (obj.metainfo.is_a == "heading") {
+    debug(dom) {
+      writeln(obj.text);
+    }
+    if (obj.metainfo.heading_lev_markup <= 4) {
+      segnames_0_to_4 ~= obj.tags.segment_anchor_tag_epub;
+    }
+    if (obj.metainfo.heading_lev_markup == 0) {
+      /+ TODO second hit (of two) with same assertion failure, check, fix and reinstate
+      assert( obj.metainfo.ocn == 1,
+        "Title OCN should be 1 not: " ~ obj.metainfo.ocn.to!string); // bug introduced 0.18.1
+      +/
+      obj.metainfo.ocn = 1;
+      obj.metainfo.identifier = "1";
+      obj.metainfo.object_number_type = OCNtype.ocn;
+    }
+    /+ dom structure (marked up & collapsed) +/
+    if (opt_action.meta_processing_xml_dom) {
+      obj = obj.obj_dom_structure_set_markup_tags(dom_structure_markedup_tags_status, obj.metainfo.heading_lev_markup);
+      obj = obj.obj_dom_set_collapsed_tags(dom_structure_collapsed_tags_status, obj.metainfo.heading_lev_collapsed);
+    }
+    obj = obj.obj_heading_ancestors(lv_ancestors_txt);
+  }
+  obj = _links(obj);
+}
+#+END_SRC
+
+***** ↻ Loop section: toc [to]
+
+#+name: abs_post
+#+BEGIN_SRC d
+if (the_table_of_contents_section.length > 1) {
+  /+ scroll +/
+  dom_structure_markedup_tags_status_buffer = dom_structure_markedup_tags_status.dup;
+  dom_structure_collapsed_tags_status_buffer = dom_structure_collapsed_tags_status.dup;
+  foreach (ref obj; the_table_of_contents_section) {
+    if (obj.metainfo.is_a == "heading") {
+      if (obj.metainfo.heading_lev_markup <= 4) {
+        segnames_0_to_4 ~= obj.tags.segment_anchor_tag_epub;
+        if (obj.metainfo.heading_lev_markup == 4) {
+          obj.tags.segname_next = segnames["html"][obj.ptr.html_segnames + 1];
+          assert(obj.tags.anchor_tag_html == segnames["html"][obj.ptr.html_segnames],
+            obj.tags.anchor_tag_html ~ "!=" ~ segnames["html"][obj.ptr.html_segnames]);
+        }
+      }
+      /+ dom structure (marked up & collapsed) +/
+      if (opt_action.meta_processing_xml_dom) {
+        obj = obj.obj_dom_structure_set_markup_tags(dom_structure_markedup_tags_status, obj.metainfo.heading_lev_markup);
+        obj = obj.obj_dom_set_collapsed_tags(dom_structure_collapsed_tags_status, obj.metainfo.heading_lev_collapsed);
+      }
+      obj = obj.obj_heading_ancestors(lv_ancestors_txt);
+    }
+    obj = _links(obj);
+  }
+}
+#+END_SRC
+
+***** ↻ Loop section: document body [bd]
+
+#+name: abs_post
+#+BEGIN_SRC d
+/+ multiple 1~ levels, loop through document body +/
+if (the_document_body_section.length > 1) {
+  foreach (ref obj; the_document_body_section) {
+    if (!(obj.metainfo.identifier.empty)) {
+      if (!(((obj.metainfo.identifier) in tag_assoc)
+        && ("seg_lv4" in tag_assoc[(obj.metainfo.identifier)]))
+      ) {
+        tag_assoc[(obj.metainfo.identifier)]["seg_lv4"]
+        = obj.tags.html_segment_anchor_tag_is;
+      }
+      tag_assoc[(obj.metainfo.identifier)]["seg_lv1_to_4"]
+      = obj.tags.epub_segment_anchor_tag_is;
+    }
+    if (obj.metainfo.is_a == "heading") {
+      debug(dom) {
+        writeln(obj.text);
+      }
+      if (obj.metainfo.heading_lev_markup <= 4) {
+        segnames_0_to_4 ~= obj.tags.segment_anchor_tag_epub;
+        if (obj.metainfo.heading_lev_markup == 4) {
+          obj.tags.lev4_subtoc = lev4_subtoc[obj.tags.anchor_tag_html];
+          obj.tags.segname_prev = segnames["html"][obj.ptr.html_segnames - 1];
+          if (segnames["html"].length > obj.ptr.html_segnames + 1) {
+            obj.tags.segname_next = segnames["html"][obj.ptr.html_segnames + 1];
+          }
+          assert(obj.tags.anchor_tag_html == segnames["html"][obj.ptr.html_segnames],
+            obj.tags.anchor_tag_html ~ "!=" ~ segnames["html"][obj.ptr.html_segnames]);
+        }
+      }
+      /+ dom structure (marked up & collapsed) +/
+      if (opt_action.meta_processing_xml_dom) {
+        obj = obj.obj_dom_structure_set_markup_tags(dom_structure_markedup_tags_status, obj.metainfo.heading_lev_markup);
+        obj = obj.obj_dom_set_collapsed_tags(dom_structure_collapsed_tags_status, obj.metainfo.heading_lev_collapsed);
+      }
+      obj = obj.obj_heading_ancestors(lv_ancestors_txt);
+    } else if (obj.metainfo.is_a == "para") {
+       _images ~= extract_images(obj.text);
+       obj = _image_dimensions(obj, manifested);
+    }
+    obj = _links(obj);
+  }
+}
+auto image_list = (_images.sort()).uniq;
+#+END_SRC
+
+***** ↻ Loop section: endnotes [en]
+
+- endnotes have their own number, (also use in node) and they belong to calling object
+
+#+name: abs_post
+#+BEGIN_SRC d
+/+ optional only one 1~ level +/
+if (the_endnotes_section.length > 1) {
+  dom_structure_markedup_tags_status_buffer  = dom_structure_markedup_tags_status.dup;
+  dom_structure_collapsed_tags_status_buffer = dom_structure_collapsed_tags_status.dup;
+  dom_structure_markedup_tags_status         = dom_structure_markedup_tags_status_buffer.dup;
+  dom_structure_collapsed_tags_status        = dom_structure_collapsed_tags_status_buffer.dup;
+  foreach (ref obj; the_endnotes_section) {
+    if (obj.metainfo.is_a == "heading") {
+      debug(dom) {
+        writeln(obj.text);
+      }
+      obj_cite_digits         = ocn_emit(OCNstatus.on);
+      obj.metainfo.ocn        = obj_cite_digits.object_number;
+      obj.metainfo.identifier = obj_cite_digits.identifier;
+      if (obj.metainfo.heading_lev_markup <= 4) {
+        segnames_0_to_4 ~= obj.tags.segment_anchor_tag_epub;
+        if (obj.metainfo.heading_lev_markup == 4) {
+          obj.tags.segname_prev = segnames["html"][obj.ptr.html_segnames - 1];
+          if (segnames["html"].length > obj.ptr.html_segnames + 1) {
+            obj.tags.segname_next = segnames["html"][obj.ptr.html_segnames + 1];
+          }
+          assert(obj.tags.anchor_tag_html == segnames["html"][obj.ptr.html_segnames],
+            obj.tags.anchor_tag_html ~ "!=" ~ segnames["html"][obj.ptr.html_segnames]);
+        }
+      }
+      /+ dom structure (marked up & collapsed) +/
+      if (opt_action.meta_processing_xml_dom) {
+        obj = obj.obj_dom_structure_set_markup_tags(dom_structure_markedup_tags_status, obj.metainfo.heading_lev_markup);
+        obj = obj.obj_dom_set_collapsed_tags(dom_structure_collapsed_tags_status, obj.metainfo.heading_lev_collapsed);
+      }
+      obj = obj.obj_heading_ancestors(lv_ancestors_txt);
+    }
+    obj = _links(obj);
+  }
+}
+#+END_SRC
+
+***** ↻ Loop section: glossary [gl]
+
+- add glossary numbering, (also use in node) no need to show in text
+
+#+name: abs_post
+#+BEGIN_SRC d
+/+ optional only one 1~ level +/
+if (the_glossary_section.length > 1) {
+  foreach (ref obj; the_glossary_section) {
+    if (obj.metainfo.is_a == "heading") {
+      debug(dom) {
+        writeln(obj.text);
+      }
+      obj_cite_digits         = ocn_emit(OCNstatus.on);
+      obj.metainfo.ocn        = obj_cite_digits.object_number;
+      obj.metainfo.identifier = obj_cite_digits.identifier;
+      if (obj.metainfo.heading_lev_markup <= 4) {
+        segnames_0_to_4 ~= obj.tags.segment_anchor_tag_epub;
+        if (obj.metainfo.heading_lev_markup == 4) {
+          obj.tags.segname_prev = segnames["html"][obj.ptr.html_segnames - 1];
+          if (segnames["html"].length > obj.ptr.html_segnames + 1) {
+            obj.tags.segname_next = segnames["html"][obj.ptr.html_segnames + 1];
+          }
+          assert(obj.tags.anchor_tag_html == segnames["html"][obj.ptr.html_segnames],
+            obj.tags.anchor_tag_html ~ "!=" ~ segnames["html"][obj.ptr.html_segnames]);
+        }
+      }
+      /+ dom structure (marked up & collapsed) +/
+      if (opt_action.meta_processing_xml_dom) {
+        obj = obj.obj_dom_structure_set_markup_tags(dom_structure_markedup_tags_status, obj.metainfo.heading_lev_markup);
+        obj = obj.obj_dom_set_collapsed_tags(dom_structure_collapsed_tags_status, obj.metainfo.heading_lev_collapsed);
+      }
+      obj = obj.obj_heading_ancestors(lv_ancestors_txt);
+    } else if (obj.metainfo.is_a == "glossary") {
+      obj_cite_digits         = ocn_emit(OCNstatus.on);
+      obj.metainfo.ocn        = obj_cite_digits.object_number;
+      obj.metainfo.identifier = obj_cite_digits.identifier;
+    }
+    obj = _links(obj);
+  }
+}
+#+END_SRC
+
+***** ↻ Loop section: bibliography [bb]
+
+- add bibliography numbering, (also use in node) no need to show in text
+
+#+name: abs_post
+#+BEGIN_SRC d
+/+ optional only one 1~ level +/
+if (the_bibliography_section.length > 1) {
+  foreach (ref obj; the_bibliography_section) {
+    if (obj.metainfo.is_a == "heading") {
+      debug(dom) {
+        writeln(obj.text);
+      }
+      obj_cite_digits         = ocn_emit(OCNstatus.on);
+      obj.metainfo.ocn        = obj_cite_digits.object_number;
+      obj.metainfo.identifier = obj_cite_digits.identifier;
+      if (obj.metainfo.heading_lev_markup <= 4) {
+        segnames_0_to_4 ~= obj.tags.segment_anchor_tag_epub;
+        if (obj.metainfo.heading_lev_markup == 4) {
+          obj.tags.segname_prev = segnames["html"][obj.ptr.html_segnames - 1];
+          if (segnames["html"].length > obj.ptr.html_segnames + 1) {
+            obj.tags.segname_next = segnames["html"][obj.ptr.html_segnames + 1];
+          }
+          assert(obj.tags.anchor_tag_html == segnames["html"][obj.ptr.html_segnames],
+            obj.tags.anchor_tag_html ~ "!=" ~ segnames["html"][obj.ptr.html_segnames]);
+        }
+      }
+      /+ dom structure (marked up & collapsed) +/
+      if (opt_action.meta_processing_xml_dom) {
+        obj = obj.obj_dom_structure_set_markup_tags(dom_structure_markedup_tags_status, obj.metainfo.heading_lev_markup);
+        obj = obj.obj_dom_set_collapsed_tags(dom_structure_collapsed_tags_status, obj.metainfo.heading_lev_collapsed);
+      }
+      obj = obj.obj_heading_ancestors(lv_ancestors_txt);
+    } else if (obj.metainfo.is_a == "bibliography") {
+      obj_cite_digits         = ocn_emit(OCNstatus.on);
+      obj.metainfo.ocn        = obj_cite_digits.object_number;
+      obj.metainfo.identifier = obj_cite_digits.identifier;
+    }
+    obj = _links(obj);
+  }
+}
+#+END_SRC
+
+***** ↻ Loop section: book index (scroll, seg) [bi]
+
+- add book index numbering?, (also use in node) no need to show in text
+
+#+name: abs_post
+#+BEGIN_SRC d
+/+ optional only one 1~ level +/
+int ocn_       = obj_cite_digits.object_number;
+int ocn_bkidx_ = 0;
+int ocn_bidx_;
+if (the_bookindex_section.length > 1) {                                        /+ scroll +/
+  dom_structure_markedup_tags_status_buffer = dom_structure_markedup_tags_status.dup;
+  dom_structure_collapsed_tags_status_buffer = dom_structure_collapsed_tags_status.dup;
+  foreach (ref obj; the_bookindex_section) {
+    if (obj.metainfo.is_a == "heading") {
+      debug(dom) {
+      }
+      if (obj.metainfo.heading_lev_markup <= 4) {
+        segnames_0_to_4 ~= obj.tags.segment_anchor_tag_epub;
+      }
+      obj_cite_digits         = ocn_emit(OCNstatus.on);
+      obj.metainfo.ocn        = obj_cite_digits.object_number;
+      obj.metainfo.identifier = obj_cite_digits.identifier;
+      if (obj.metainfo.heading_lev_markup <= 4) {
+        if (obj.metainfo.heading_lev_markup == 4) {
+          obj.tags.segname_prev = segnames["html"][obj.ptr.html_segnames - 1];
+          if (segnames["html"].length > obj.ptr.html_segnames + 1) {
+            obj.tags.segname_next = segnames["html"][obj.ptr.html_segnames + 1];
+          }
+          assert(obj.tags.anchor_tag_html == segnames["html"][obj.ptr.html_segnames],
+            obj.tags.anchor_tag_html ~ "!=" ~ segnames["html"][obj.ptr.html_segnames]);
+        }
+      }
+      /+ dom structure (marked up & collapsed) +/
+      if (opt_action.meta_processing_xml_dom) {
+        obj = obj.obj_dom_structure_set_markup_tags(dom_structure_markedup_tags_status, obj.metainfo.heading_lev_markup);
+        obj = obj.obj_dom_set_collapsed_tags(dom_structure_collapsed_tags_status, obj.metainfo.heading_lev_collapsed);
+      }
+      obj = obj.obj_heading_ancestors(lv_ancestors_txt);
+    } else if (obj.metainfo.is_a == "bookindex") {
+      obj_cite_digits                       = ocn_emit(OCNstatus.bkidx);
+      obj.metainfo.ocn                      = obj_cite_digits.object_number;
+      obj.metainfo.identifier               = obj_cite_digits.identifier;
+      obj.metainfo.o_n_book_index           = obj_cite_digits.bkidx;
+      obj.metainfo.object_number_type       = OCNtype.bkidx;
+    }
+    obj = _links(obj);
+  }
+  /+ TODO assert failure, reinstate
+  assert(obj_cite_digit_bkidx == ocn_bidx_
+    obj_cite_digit_bkidx ~ " == ocn_" ~ ocn_ ~ "?");
+  +/
+}
+#+END_SRC
+
+***** ↻ Loop section: blurb [bl]
+
+#+name: abs_post
+#+BEGIN_SRC d
+/+ optional only one 1~ level +/
+if (the_blurb_section.length > 1) {
+  foreach (ref obj; the_blurb_section) {
+    if (obj.metainfo.is_a == "heading") {
+      debug(dom) {
+        writeln(obj.text);
+      }
+      obj_cite_digits         = ocn_emit(OCNstatus.on);
+      obj.metainfo.ocn        = obj_cite_digits.object_number;
+      obj.metainfo.identifier = obj_cite_digits.identifier;
+      if (obj.metainfo.heading_lev_markup <= 4) {
+        segnames_0_to_4 ~= obj.tags.segment_anchor_tag_epub;
+        if (obj.metainfo.heading_lev_markup == 4) {
+          obj.tags.segname_prev = segnames["html"][obj.ptr.html_segnames - 1];
+          if (segnames["html"].length > obj.ptr.html_segnames + 1) {
+            obj.tags.segname_next = segnames["html"][obj.ptr.html_segnames + 1];
+          }
+          assert(obj.tags.anchor_tag_html == segnames["html"][obj.ptr.html_segnames],
+            obj.tags.anchor_tag_html ~ "!=" ~ segnames["html"][obj.ptr.html_segnames]);
+        }
+      }
+      /+ dom structure (marked up & collapsed) +/
+      if (opt_action.meta_processing_xml_dom) {
+        obj = obj.obj_dom_structure_set_markup_tags(dom_structure_markedup_tags_status, obj.metainfo.heading_lev_markup);
+        obj = obj.obj_dom_set_collapsed_tags(dom_structure_collapsed_tags_status, obj.metainfo.heading_lev_collapsed);
+      }
+      obj = obj.obj_heading_ancestors(lv_ancestors_txt);
+    } else if (obj.metainfo.is_a == "blurb") {
+      obj_cite_digits = ocn_emit(OCNstatus.off);
+      obj.metainfo.object_number_off  = obj_cite_digits.off;
+      obj.metainfo.object_number_type = OCNtype.non;
+    }
+    obj = _links(obj);
+  }
+}
+#+END_SRC
+
+***** ↻ Loop sections: get decendants
+
+#+name: abs_post
+#+BEGIN_SRC d
+if (the_document_body_section.length > 1) {
+  auto pairs = get_decendants(
+    the_document_head_section ~
+    the_document_body_section ~
+    the_endnotes_section ~
+    the_glossary_section ~
+    the_bibliography_section ~
+    the_bookindex_section ~
+    the_blurb_section
+  );
+  debug(decendants_tuple) {
+    pairs = pairs.sort();
+    foreach (pair; pairs) {  // (pair; pairs.sort())
+      writeln(pair[0], "..", pair[1]);
+    }
+  }
+  foreach (ref obj; the_document_head_section) {
+    if (obj.metainfo.is_a == "heading") {
+      foreach (pair; pairs) {
+        if (obj.metainfo.ocn == pair[0]) {
+          obj.metainfo.last_decendant_ocn = pair[1];
+        }
+      }
+    }
+  }
+  if (the_document_body_section.length > 1) {
+    foreach (ref obj; the_document_body_section) {
+      if (obj.metainfo.is_a == "heading") {
+        foreach (pair; pairs) {
+          if (obj.metainfo.ocn == pair[0]) {
+            obj.metainfo.last_decendant_ocn = pair[1];
+          }
+        }
+      }
+    }
+  }
+  if (the_endnotes_section.length > 1) {
+    foreach (ref obj; the_endnotes_section) {
+      if (obj.metainfo.is_a == "heading") {
+        foreach (pair; pairs) {
+          if (obj.metainfo.ocn == pair[0]) {
+            obj.metainfo.last_decendant_ocn = pair[1];
+          }
+        }
+      }
+    }
+  }
+  if (the_glossary_section.length > 1) {
+    foreach (ref obj; the_glossary_section) {
+      if (obj.metainfo.is_a == "heading") {
+        foreach (pair; pairs) {
+          if (obj.metainfo.ocn == pair[0]) {
+            obj.metainfo.last_decendant_ocn = pair[1];
+          }
+        }
+      }
+    }
+  }
+  if (the_bibliography_section.length > 1) {
+    foreach (ref obj; the_bibliography_section) {
+      if (obj.metainfo.is_a == "heading") {
+        foreach (pair; pairs) {
+          if (obj.metainfo.ocn == pair[0]) {
+            obj.metainfo.last_decendant_ocn = pair[1];
+          }
+        }
+      }
+    }
+  }
+  if (the_bookindex_section.length > 1) {
+    foreach (ref obj; the_bookindex_section) {
+      if (obj.metainfo.is_a == "heading") {
+        foreach (pair; pairs) {
+          if (obj.metainfo.ocn == pair[0]) {
+            obj.metainfo.last_decendant_ocn = pair[1];
+          }
+        }
+      }
+    }
+  }
+  if (the_blurb_section.length > 1) {
+    foreach (ref obj; the_blurb_section) {
+      if (obj.metainfo.is_a == "heading") {
+        foreach (pair; pairs) {
+          if (obj.metainfo.ocn == pair[0]) {
+            obj.metainfo.last_decendant_ocn = pair[1];
+          }
+        }
+      }
+    }
+  }
+}
+#+END_SRC
+
+**** TODO update BUG?
+
+#+name: abs_post
+#+BEGIN_SRC d
+  /+ TODO
+    - note create/insert heading object sole purpose eof close all open tags
+      sort out:
+      - obj.metainfo.dom_structure_markedup_tags_status = dom_structure_markedup_tags_status;
+      - obj.metainfo.dom_structure_collapsed_tags_status = dom_structure_collapsed_tags_status;
+  +/
+comp_obj_heading_                                 = comp_obj_heading_.init;
+comp_obj_heading_.metainfo.is_of_part             = "empty";
+comp_obj_heading_.metainfo.is_of_section          = "empty";
+comp_obj_heading_.metainfo.is_of_type             = "para";
+comp_obj_heading_.metainfo.is_a                   = "heading";
+comp_obj_heading_.metainfo.ocn                    = 0;
+comp_obj_heading_.metainfo.identifier             = "";
+comp_obj_heading_.metainfo.dummy_heading          = true;
+comp_obj_heading_.metainfo.object_number_off      = true;
+comp_obj_heading_.metainfo.object_number_type     = 0;
+comp_obj_heading_.tags.segment_anchor_tag_epub    = "";
+comp_obj_heading_.tags.anchor_tag_html            = "";
+comp_obj_heading_.tags.in_segment_html            = "";
+comp_obj_heading_.tags.html_segment_anchor_tag_is = "";
+comp_obj_heading_.tags.epub_segment_anchor_tag_is = "";
+comp_obj_heading_.metainfo.heading_lev_markup     = 9;
+comp_obj_heading_.metainfo.heading_lev_collapsed  = 9;
+comp_obj_heading_.metainfo.parent_ocn             = 0;
+comp_obj_heading_.metainfo.parent_lev_markup      = 0;
+comp_obj_heading_.metainfo.dom_structure_markedup_tags_status          = dom_structure_markedup_tags_status.dup;
+comp_obj_heading_.metainfo.dom_structure_collapsed_tags_status         = dom_structure_collapsed_tags_status.dup;
+comp_obj_heading_ = comp_obj_heading_.obj_dom_structure_set_markup_tags(dom_structure_markedup_tags_status, 0);
+comp_obj_heading_ = comp_obj_heading_.obj_dom_set_collapsed_tags(dom_structure_collapsed_tags_status, 0);
+comp_obj_heading_ = comp_obj_heading_.obj_heading_ancestors(lv_ancestors_txt);
+// the_dom_tail_section                      ~= comp_obj_heading_; // remove tail for now, decide on later
+#+END_SRC
+
+** 4. _return document tuple_                                           :post:
+*** _the document_                                                 :document:
+
+#+name: abs_post
+#+BEGIN_SRC d
+ObjGenericComposite[][string] document_the = [
+  "head":             the_document_head_section,
+  "toc":              the_table_of_contents_section,
+  /+ substantive/body: +/
+  "body":             the_document_body_section,
+  /+ backmatter: +/
+  "endnotes":         the_endnotes_section,
+  "glossary":         the_glossary_section,
+  "bibliography":     the_bibliography_section,
+  "bookindex":        the_bookindex_section,
+  "blurb":            the_blurb_section,
+  /+ dom tail only +/
+  "tail":             the_dom_tail_section,
+];
+#+END_SRC
+
+*** document _section keys_ sequence
+
+#+name: abs_post
+#+BEGIN_SRC d
+string[][string] document_section_keys_sequenced = [
+  "scroll": ["head", "toc", "body",],
+  "seg":    ["head", "toc", "body",],
+  "sql":    ["head", "body",],
+  "latex":  ["head", "toc", "body",]
+];
+if (document_the["endnotes"].length > 1) {
+  document_section_keys_sequenced["scroll"] ~= "endnotes";
+  document_section_keys_sequenced["seg"]    ~= "endnotes";
+  document_section_keys_sequenced["latex"]  ~= "endnotes";
+}
+if (document_the["glossary"].length > 1) {
+  document_section_keys_sequenced["scroll"] ~= "glossary";
+  document_section_keys_sequenced["seg"]    ~= "glossary";
+  document_section_keys_sequenced["sql"]    ~= "glossary";
+  document_section_keys_sequenced["latex"]  ~= "glossary";
+}
+if (document_the["bibliography"].length > 1) {
+  document_section_keys_sequenced["scroll"] ~= "bibliography";
+  document_section_keys_sequenced["seg"]    ~= "bibliography";
+  document_section_keys_sequenced["sql"]    ~= "bibliography";
+  document_section_keys_sequenced["latex"]  ~= "bibliography";
+}
+if (document_the["bookindex"].length > 1) {
+  document_section_keys_sequenced["scroll"] ~= "bookindex";
+  document_section_keys_sequenced["seg"]    ~= "bookindex";
+  document_section_keys_sequenced["sql"]    ~= "bookindex";
+  document_section_keys_sequenced["latex"]  ~= "bookindex";
+}
+if (document_the["blurb"].length > 1) {
+  document_section_keys_sequenced["scroll"] ~= "blurb";
+  document_section_keys_sequenced["seg"]    ~= "blurb";
+  document_section_keys_sequenced["sql"]    ~= "blurb";
+  document_section_keys_sequenced["latex"]  ~= "blurb";
+}
+if ((opt_action.html)
+|| (opt_action.html_scroll)
+|| (opt_action.html_seg)
+|| (opt_action.epub)) {
+  document_section_keys_sequenced["scroll"] ~= "tail";
+  document_section_keys_sequenced["seg"]    ~= "tail";
+}
+#+END_SRC
+
+*** dup
+
+#+name: abs_post
+#+BEGIN_SRC d
+string[] segnames_4        = segnames["html"].dup;
+string[] segnames_lv1_to_4 = segnames["epub"].dup;
+debug(segnames) {
+  writeln("segnames_lv4:      ", segnames_4);
+  writeln("segnames_lv1_to_4: ", segnames_lv1_to_4);
+}
+#+END_SRC
+
+*** clean out structure
+
+#+name: abs_post
+#+BEGIN_SRC d
+destroy(the_document_head_section);
+destroy(the_table_of_contents_section);
+destroy(the_document_body_section);
+destroy(the_endnotes_section);
+destroy(the_glossary_section);
+destroy(the_bibliography_section);
+destroy(the_bookindex_section);
+destroy(the_blurb_section);
+destroy(segnames);
+destroy(bookindex_unordered_hashes);
+destroy(an_object);
+obj_cite_digits                              = ocn_emit(OCNstatus.reset);
+biblio_arr_json                              = [];
+obj_cite_digit_                              = 0;
+html_segnames_ptr                            = 0;
+html_segnames_ptr_cntr                       = 0;
+content_non_header                           = "8";
+dom_structure_markedup_tags_status           = [ 0, 0, 0, 0, 0, 0, 0, 0, 0,];
+dom_structure_markedup_tags_status_buffer    = [ 0, 0, 0, 0, 0, 0, 0, 0, 0,];
+dom_structure_collapsed_tags_status          = [ 0, 0, 0, 0, 0, 0, 0, 0, 0,];
+dom_structure_collapsed_tags_status_buffer   = [ 0, 0, 0, 0, 0, 0, 0, 0, 0,];
+#+END_SRC
+
+*** doc_has struct
+
+#+name: abs_struct_doc_has
+#+BEGIN_SRC d
+auto doc_has() {
+  struct DocHas_ {
+    uint inline_links() {
+      return dochas["inline_links"];
+    }
+    uint inline_notes_reg() {
+      return dochas["inline_notes"];
+    }
+    uint inline_notes_star() {
+      return dochas["inline_notes_star"];
+    }
+    uint codeblocks() {
+      return dochas["codeblock"];
+    }
+    uint tables() {
+      return dochas["table"];
+    }
+    uint blocks() {
+      return dochas["block"];
+    }
+    uint groups() {
+      return dochas["group"];
+    }
+    uint poems() {
+      return dochas["poem"];
+    }
+    uint quotes() {
+      return dochas["quote"];
+    }
+    ulong images() { // TODO not ideal rethink
+      return (image_list.to!string.strip("[","]").split(",").length);
+    }
+    auto imagelist() {
+      return image_list;
+    }
+    auto keys_seq() {
+      return docSectKeysSeq!()(document_section_keys_sequenced);
+    }
+    string[] segnames_lv4() {
+      return segnames_4;
+    }
+    string[] segnames_lv_0_to_4() {
+      return segnames_0_to_4;
+    }
+    string[string][string] tag_associations() {
+      return tag_assoc;
+    }
+  }
+  return DocHas_();
+}
+#+END_SRC
+
+*** _return document tuple_ [#A]                               :return:tuple:
+
+#+name: abs_return_tuple
+#+BEGIN_SRC d
+auto t = tuple(
+  document_the,
+  doc_has,
+);
+return t;
+#+END_SRC
+
+** 5. Functions                                          :abstract:function:
+
+functions used in document abstraction
+
+*** set & resets                                                    :reset:
+**** object reset: remove (clean)                          :object:remove:
+
+#+name: abs_functions_object_reset
+#+BEGIN_SRC d
+static string[string] object_reset()(string[string] an_object) {
+  an_object.remove("body_nugget");
+  an_object.remove("substantive");
+  an_object.remove("is");
+  an_object.remove("attrib");
+  an_object.remove("bookindex_nugget");
+  return an_object;
+}
+#+END_SRC
+
+**** set, initialize or re-initialize                                :set:
+
+#+name: abs_functions_header_set_common
+#+BEGIN_SRC d
+void flow_common_reset_()(
+  return ref int[string]     line_occur,
+  return ref string[string]  an_object,
+  return ref int[string]     obj_type_status,
+) {
+  line_occur["heading"]      = State.off;
+  line_occur["para"]         = State.off;
+  obj_type_status["heading"] = State.off;
+  obj_type_status["para"]    = State.off;
+  an_object                  = an_object.object_reset;
+}
+#+END_SRC
+
+*** check object_number status in document                            :ocn:
+
+#+name: abs_functions_ocn_status
+#+BEGIN_SRC d
+static int[string]         _check_ocn_status_()(
+  char[]           line,
+  int[string]      obj_type_status,
+) {
+  static auto rgx = Rgx();
+  if (!(line.empty)
+    && (obj_type_status["ocn_status_off_for_multiple_objects"] == OCN_off_block_status.off)
+  ) {
+    /+ not multi-line object, check whether object_number is on or turned off +/
+    if (line.matchFirst(rgx.object_number_block_marks)) {                      /+ switch off object_number +/
+      if (line.matchFirst(rgx.object_number_off_block)) {
+        obj_type_status["ocn_status_off_for_multiple_objects"] = OCN_off_block_status.on;
+        obj_type_status["ocn_status"]                          = OCNstatus.off;
+        debug(ocnoff) {
+          writeln(line);
+        }
+      }
+      if (line.matchFirst(rgx.object_number_off_block_dummy_heading)) {
+        obj_type_status["ocn_status_off_for_multiple_objects"] = OCN_off_block_status.on;
+        obj_type_status["heading_off_for_multiple_objects"]    = Status.on;
+        obj_type_status["ocn_status"]                          = OCNstatus.off;
+        debug(ocnoff) {
+          writeln(line);
+        }
+      }
+    } else {
+      if (obj_type_status["ocn_status_off_for_multiple_objects"] == OCN_off_block_status.off) {
+        obj_type_status["dummy_heading_status"] = Status.off;
+        if (obj_type_status["heading_off_for_multiple_objects"]) {
+          obj_type_status["dummy_heading_status"] = Status.on;
+        }
+        if (line.matchFirst(rgx.object_number_off)) {
+          obj_type_status["ocn_status"] = OCNstatus.off;
+        } else if (line.matchFirst(rgx.object_number_off_dummy_heading)) {
+          obj_type_status["ocn_status"]           = OCNstatus.off;
+          obj_type_status["dummy_heading_status"] = Status.on;
+        } else {
+          obj_type_status["ocn_status"]           = OCNstatus.on;
+          obj_type_status["dummy_heading_status"] = Status.off;
+        }
+      } else {
+        obj_type_status["ocn_status"]             = obj_type_status["ocn_status_off_for_multiple_objects"];
+      }
+    }
+  } else if (
+    !(line.empty)
+    && (obj_type_status["ocn_status_off_for_multiple_objects"] > OCN_off_block_status.off)
+  ) {
+    if (line.matchFirst(rgx.object_number_off_block_close)) {
+      obj_type_status["ocn_status_off_for_multiple_objects"] = OCN_off_block_status.off;
+      obj_type_status["ocn_status"]                          = OCNstatus.on;
+      obj_type_status["dummy_heading_status"]                = Status.off;
+      debug(ocnoff) {
+        writeln(line);
+      }
+    }
+  }
+  return obj_type_status;
+}
+#+END_SRC
+
+*** make substitutions
+**** project
+
+#+name: abs_functions_substitutions
+#+BEGIN_SRC d
+char[] _doc_header_and_make_substitutions_(CMM)(
+  char[]  line,
+  CMM     conf_make_meta,
+) {
+  enum Substitute { match, markup, }
+  if (conf_make_meta.make.substitute) {
+    foreach(substitution_pair; conf_make_meta.make.substitute) {
+      line = line.replaceAll(
+        regex("\b" ~ substitution_pair[Substitute.match]),
+        substitution_pair[Substitute.markup]
+      );
+    }
+  }
+  return line;
+}
+#+END_SRC
+
+**** fontface
+
+#+name: abs_functions_substitutions
+#+BEGIN_SRC d
+char[] _doc_header_and_make_substitutions_fontface_(CMM)(
+  char[]  line,
+  CMM     conf_make_meta,
+) {
+  enum Substitute { match, markup, }
+  if ( conf_make_meta.make.bold) {
+    line = line.replaceAll(
+      regex("\b" ~ conf_make_meta.make.bold[Substitute.match]),
+      conf_make_meta.make.bold[Substitute.markup]
+    );
+  }
+  if (conf_make_meta.make.emphasis) {
+    line = line.replaceAll(
+      regex("\b" ~ conf_make_meta.make.emphasis[Substitute.match]),
+      conf_make_meta.make.emphasis[Substitute.markup]
+    );
+  }
+  if (conf_make_meta.make.italics) {
+    line = line.replaceAll(
+      regex("\b" ~ conf_make_meta.make.italics[Substitute.match]),
+      conf_make_meta.make.italics[Substitute.markup]
+    );
+  }
+  return line;
+}
+#+END_SRC
+
+*** block                                                           :block:
+**** block start (open) block                                      :start:
+***** { block starts function
+
+#+name: abs_functions_block
+#+BEGIN_SRC d
+void flow_txt_block_start()(
+             char[]         line,
+  return ref int[string]    obj_type_status,
+  return ref uint[string]   dochas,
+  return ref string[string] object_number_poem
+) {
+#+END_SRC
+
+****** block (various) curly open                                :curly:
+
+#+name: abs_functions_block
+#+BEGIN_SRC d
+  static auto rgx = Rgx();
+#+END_SRC
+
+******* code
+
+#+name: abs_functions_block
+#+BEGIN_SRC d
+  if (auto m = line.matchFirst(rgx.block_curly_code_open)) {
+    dochas["codeblock"]++;
+    an_object["lang"]              = "";
+    an_object["attrib"]            = (m["attrib"]) ? m["attrib"].to!string : "";
+    an_object["syntax"]            = (m["syntax"]) ? m["syntax"].to!string : "";
+    debug(codecurly) {                              // code (curly) open
+      writefln(
+        "* [code curly] %s",
+        line
+      );
+    }
+    obj_type_status["blocks"]     = TriState.on;
+    obj_type_status["code"]       = TriState.on;
+    obj_type_status["curly_code"] = TriState.on;
+#+END_SRC
+
+******* poem
+
+#+name: abs_functions_block
+#+BEGIN_SRC d
+  } else if (auto m = line.matchFirst(rgx.block_curly_poem_open)) {
+    dochas["poem"]++;
+    an_object["syntax"]            = "";
+    an_object["attrib"]            = (m["attrib"]) ? m["attrib"].to!string : "";
+    an_object["lang"]              = (m["lang"]) ? m["lang"].to!string : "";
+    debug(poem) {                              // poem (curly) open
+      writefln(
+        "* [poem curly] %s",
+        line
+      );
+    }
+    object_number_poem["start"]   = obj_cite_digits.object_number.to!string;
+    obj_type_status["blocks"]     = TriState.on;
+    obj_type_status["verse_new"]  = State.on;
+    obj_type_status["poem"]       = TriState.on;
+    obj_type_status["curly_poem"] = TriState.on;
+#+END_SRC
+
+******* group
+
+#+name: abs_functions_block
+#+BEGIN_SRC d
+  } else if (auto m = line.matchFirst(rgx.block_curly_group_open)) {
+    dochas["group"]++;
+    an_object["syntax"]            = "";
+    an_object["attrib"]            = (m["attrib"]) ? m["attrib"].to!string : "";
+    an_object["lang"]              = (m["lang"]) ? m["lang"].to!string : "";
+    debug(group) {                             // group (curly) open
+      writefln(
+        "* [group curly] %s",
+        line
+      );
+    }
+    obj_type_status["blocks"]      = TriState.on;
+    obj_type_status["group"]       = TriState.on;
+    obj_type_status["curly_group"] = TriState.on;
+#+END_SRC
+
+******* block
+
+#+name: abs_functions_block
+#+BEGIN_SRC d
+  } else if (auto m = line.matchFirst(rgx.block_curly_block_open)) {
+    dochas["block"]++;
+    an_object["syntax"]            = "";
+    an_object["attrib"]            = (m["attrib"]) ? m["attrib"].to!string : "";
+    an_object["lang"]              = (m["lang"]) ? m["lang"].to!string : "";
+    debug(block) {                             // block (curly) open
+      writefln(
+        "* [block curly] %s",
+        line
+      );
+    }
+    obj_type_status["blocks"]      = TriState.on;
+    obj_type_status["block"]       = TriState.on;
+    obj_type_status["curly_block"] = TriState.on;
+#+END_SRC
+
+******* quote
+
+#+name: abs_functions_block
+#+BEGIN_SRC d
+  } else if (auto m = line.matchFirst(rgx.block_curly_quote_open)) {
+    dochas["quote"]++;
+    an_object["syntax"]            = "";
+    an_object["attrib"]            = m["attrib"].to!string;
+    an_object["lang"]              = m["lang"].to!string;
+    debug(quote) {                             // quote (curly) open
+      writefln(
+        "* [quote curly] %s",
+        line
+      );
+    }
+    obj_type_status["blocks"]      = TriState.on;
+    obj_type_status["quote"]       = TriState.on;
+    obj_type_status["curly_quote"] = TriState.on;
+#+END_SRC
+
+******* table
+
+#+name: abs_functions_block
+#+BEGIN_SRC d
+  } else if (auto m = line.matchFirst(rgx.block_curly_table_open)) {           /+ curly table open +/
+    debug(table) {                             // table (curly) open
+      writefln(
+        "* [table curly] %s",
+        line
+      );
+    }
+    dochas["table"] ++;
+    an_object["table_head"]        = m["attrib"].to!string;
+    an_object["block_type"]        = "curly";
+    obj_type_status["blocks"]      = TriState.on;
+    obj_type_status["table"]       = TriState.on;
+    obj_type_status["curly_table"] = TriState.on;
+#+END_SRC
+
+******* table special
+
+#+name: abs_functions_block
+#+BEGIN_SRC d
+  } else if (auto m = line.matchFirst(rgx.block_curly_table_special_markup)) { /+ table: special table block markup syntax! +/
+    dochas["table"]++;
+    an_object["table_head"]                       = m["attrib"].to!string;
+    an_object["block_type"]                       = "special";
+    obj_type_status["blocks"]                     = TriState.on;
+    obj_type_status["table"]                      = TriState.on;
+    obj_type_status["curly_table_special_markup"] = TriState.on;
+#+END_SRC
+
+****** block (various) tic open                                    :tic:
+******* code
+
+#+name: abs_functions_block
+#+BEGIN_SRC d
+  } else if (auto m = line.matchFirst(rgx.block_tic_code_open)) {
+    dochas["codeblock"]++;
+    an_object["lang"]              = "";
+    an_object["attrib"]            = (m["attrib"]) ? m["attrib"].to!string : "";
+    an_object["syntax"]            = (m["syntax"]) ? m["syntax"].to!string : "";
+    debug(codetic) {                              // code (tic) open
+      writefln(
+        "* [code tic] %s",
+        line
+      );
+    }
+    obj_type_status["blocks"]   = TriState.on;
+    obj_type_status["code"]     = TriState.on;
+    obj_type_status["tic_code"] = TriState.on;
+#+END_SRC
+
+******* poem
+
+#+name: abs_functions_block
+#+BEGIN_SRC d
+  } else if (auto m = line.matchFirst(rgx.block_tic_poem_open)) {
+    dochas["poem"]++;
+    an_object["syntax"]            = "";
+    an_object["attrib"]            = (m["attrib"]) ? m["attrib"].to!string : "";
+    an_object["lang"]              = (m["lang"]) ? m["lang"].to!string : "";
+    debug(poem) {                              // poem (tic) open
+      writefln(
+        "* [poem tic] %s",
+        line
+      );
+    }
+    object_number_poem["start"]  = obj_cite_digits.object_number.to!string;
+    obj_type_status["blocks"]    = TriState.on;
+    obj_type_status["verse_new"] = State.on;
+    obj_type_status["poem"]      = TriState.on;
+    obj_type_status["tic_poem"]  = TriState.on;
+#+END_SRC
+
+******* group
+
+#+name: abs_functions_block
+#+BEGIN_SRC d
+  } else if (auto m = line.matchFirst(rgx.block_tic_group_open)) {
+    dochas["group"]++;
+    an_object["syntax"]            = "";
+    an_object["attrib"]            = (m["attrib"]) ? m["attrib"].to!string : "";
+    an_object["lang"]              = (m["lang"]) ? m["lang"].to!string : "";
+    debug(group) {                             // group (tic) open
+      writefln(
+        "* [group tic] %s",
+        line
+      );
+    }
+    obj_type_status["blocks"]    = TriState.on;
+    obj_type_status["group"]     = TriState.on;
+    obj_type_status["tic_group"] = TriState.on;
+#+END_SRC
+
+******* block
+
+#+name: abs_functions_block
+#+BEGIN_SRC d
+  } else if (auto m = line.matchFirst(rgx.block_tic_block_open)) {
+    dochas["block"]++;
+    an_object["syntax"]            = "";
+    an_object["attrib"]            = (m["attrib"]) ? m["attrib"].to!string : "";
+    an_object["lang"]              = (m["lang"]) ? m["lang"].to!string : "";
+    debug(block) {                             // block (tic) open
+      writefln(
+        "* [block tic] %s",
+        line
+      );
+    }
+    obj_type_status["blocks"]    = TriState.on;
+    obj_type_status["block"]     = TriState.on;
+    obj_type_status["tic_block"] = TriState.on;
+#+END_SRC
+
+******* quote
+
+#+name: abs_functions_block
+#+BEGIN_SRC d
+  } else if (auto m = line.matchFirst(rgx.block_tic_quote_open)) {
+    dochas["quote"]++;
+    an_object["syntax"]            = "";
+    an_object["attrib"]            = m["attrib"].to!string;
+    an_object["lang"]              = m["lang"].to!string;
+    debug(quote) {                             // quote (tic) open
+      writefln(
+        "* [quote tic] %s",
+        line
+      );
+    }
+    obj_type_status["blocks"]    = TriState.on;
+    obj_type_status["quote"]     = TriState.on;
+    obj_type_status["tic_quote"] = TriState.on;
+#+END_SRC
+
+******* table
+
+#+name: abs_functions_block
+#+BEGIN_SRC d
+  } else if (auto m = line.matchFirst(rgx.block_tic_table_open)) {             /+ tic table open +/
+    debug(table) {                             // table (tic) open
+      writefln(
+        "* [table tic] %s",
+        line
+      );
+    }
+    dochas["table"] ++;
+    an_object["table_head"]      = m["attrib"].to!string;
+    an_object["block_type"]      = "tic";
+    obj_type_status["blocks"]    = TriState.on;
+    obj_type_status["table"]     = TriState.on;
+    obj_type_status["tic_table"] = TriState.on;
+  }
+#+END_SRC
+
+***** }
+
+#+name: abs_functions_block
+#+BEGIN_SRC d
+}
+#+END_SRC
+
+**** block continue (an open block)                             :continue:
+***** _code block_ (special status, deal with first)                 :code:
+
+#+name: abs_functions_block_code
+#+BEGIN_SRC d
+void flow_txt_block_code()(
+             char[]          line,
+  return ref string[string]  an_object,
+  return ref int[string]     obj_type_status
+) {
+  static auto rgx = Rgx();
+  if (obj_type_status["curly_code"] == TriState.on) {
+    if (line.matchFirst(rgx.block_curly_code_close)) {
+      debug(codecurly) {                                    // code (curly) close
+        writeln(line);
+      }
+      an_object[an_object_key] = an_object[an_object_key]
+        .replaceFirst(rgx.newline_eol_delimiter_only, "")
+        .stripRight;
+      obj_type_status["blocks"]     = TriState.closing;
+      obj_type_status["code"]       = TriState.closing;
+      obj_type_status["curly_code"] = TriState.off;
+    } else {
+      debug(codecurly) {                                    // code (curly) line
+        writeln(line);
+      }
+      an_object[an_object_key] ~= line ~= "\n";        // code (curly) line
+    }
+  } else if (obj_type_status["tic_code"] == TriState.on) {
+    if (line.matchFirst(rgx.block_tic_close)) {
+      debug(codetic) {                                    // code (tic) close
+        writeln(line);
+      }
+      an_object[an_object_key] = an_object[an_object_key]
+        .replaceFirst(rgx.newline_eol_delimiter_only, "")
+        .stripRight;
+      obj_type_status["blocks"]   = TriState.closing;
+      obj_type_status["code"]     = TriState.closing;
+      obj_type_status["tic_code"] = TriState.off;
+    } else {
+      debug(codetic) {                                    // code (tic) line
+        writeln(line);
+      }
+      an_object[an_object_key] ~= line ~= "\n";        // code (tic) line
+    }
+  }
+}
+#+END_SRC
+
+***** biblio block                                               :biblio:
+****** biblio tag map
+
+#+name: abs_functions_block_biblio
+#+BEGIN_SRC d
+final string biblio_tag_map()(string abr) {
+  auto btm = [
+    "au"           : "author_raw",
+    "ed"           : "editor_raw",
+    "ti"           : "fulltitle",
+    "lng"          : "language",
+    "jo"           : "journal",
+    "vol"          : "volume",
+    "edn"          : "edition",
+    "yr"           : "year",
+    "pl"           : "place",
+    "pb"           : "publisher",
+    "pub"          : "publisher",
+    "pg"           : "pages",
+    "pgs"          : "pages",
+    "sn"           : "short_name"
+  ];
+  return btm[abr];
+}
+#+END_SRC
+
+******* +consider+
+
+#+name: none
+#+BEGIN_SRC d
+final string biblio_tag_map_()(string abr) {
+  string name;
+  switch (abr) {
+  case "au"  : name = "author_raw"; break;
+  case "ed"  : name = "editor_raw"; break;
+  case "ti"  : name = "fulltitle";  break;
+  case "lng" : name = "language";   break;
+  case "jo"  : name = "journal";    break;
+  case "vol" : name = "volume";     break;
+  case "edn" : name = "edition";    break;
+  case "yr"  : name = "year";       break;
+  case "pl"  : name = "place";      break;
+  case "pb"  : name = "publisher";  break;
+  case "pub" : name = "publisher";  break;
+  case "pg"  : name = "pages";      break;
+  case "pgs" : name = "pages";      break;
+  case "sn"  : name = "short_name"; break;
+  default    : name = abr;          break;
+  }
+  return name;
+}
+#+END_SRC
+
+****** biblio block
+
+#+name: abs_functions_block_biblio
+#+BEGIN_SRC d
+void flow_txt_block_biblio(
+  char[]                 line,
+  return ref int[string] obj_type_status,
+  return ref int         bib_entry,
+  return ref string      biblio_entry_str_json,
+  return ref string[]    biblio_arr_json
+) {
+  mixin DocReformBiblio;
+  auto jsn = BibJsnStr();
+  static auto rgx = Rgx();
+  if (line.matchFirst(rgx.heading_biblio)
+    && obj_type_status["para"]  != State.on
+    && obj_type_status["group"] != State.on
+    && obj_type_status["block"] != State.on
+    && obj_type_status["poem"]  != State.on
+    && obj_type_status["table"] != State.on
+    && obj_type_status["quote"] != State.on
+  ) {
+    obj_type_status["glossary_section"] = State.off;
+    obj_type_status["biblio_section"]   = TriState.on;
+    obj_type_status["blurb_section"]    = State.off;
+  }
+  if (line.empty) {
+    debug {
+      debug(biblioblock) {
+        writeln("---");
+      }
+      debug(biblioblockinclude) {
+        writeln(biblio_entry_str_json.length);
+      }
+    }
+    if ((bib_entry == State.off)
+    && (biblio_entry_str_json.empty)) {
+      bib_entry = State.on;
+      biblio_entry_str_json = jsn.biblio_entry_tags_jsonstr;
+    } else if (!(biblio_entry_str_json.empty)) {
+      bib_entry = State.off;
+      if (!(biblio_entry_str_json == jsn.biblio_entry_tags_jsonstr)) {
+        auto biblio_entry = parseJSON(biblio_entry_str_json);
+        if (biblio_entry["fulltitle"].str.empty) {
+          writeln("check problem entry (Title missing): ", biblio_entry_str_json);
+        } else if ((biblio_entry["author_raw"].str.empty) && (biblio_entry["editor_raw"].str.empty)) {
+          writeln("check problem entry (No author and no editor): ", biblio_entry_str_json);
+        } else {
+          biblio_arr_json ~= biblio_entry_str_json;
+        }
+        biblio_entry_str_json = jsn.biblio_entry_tags_jsonstr;
+      }
+    } else { // CHECK ERROR
+      writeln("?? 2. ERROR ", biblio_entry_str_json, "??");
+      biblio_entry_str_json = "";
+    }
+  } else if (line.matchFirst(rgx.biblio_tags)) {
+    debug(biblioblock) {
+      writeln(line);
+    }
+    auto bt = line.match(rgx.biblio_tags);
+    bib_entry = State.off;
+    st = bt.captures[1].to!string;
+    auto header_tag_value=(bt.captures[2]).to!string;
+    JSONValue j = parseJSON(biblio_entry_str_json);
+    biblio_tag_name = (st.match(rgx.biblio_abbreviations))
+      ? (biblio_tag_map(st))
+      : st;
+    j.object[biblio_tag_name] = header_tag_value;
+    debug(bibliounsortedcheckduplicates) {
+      writeln(biblio_tag_name, ": ", header_tag_value);
+      writeln("--");
+    }
+    switch (biblio_tag_name) {
+    case "author_raw": // author_arr author (fn sn)
+      j["author_arr"]
+       = header_tag_value.split(rgx.arr_delimiter);
+      string tmp;
+      biblioAuthorLoop:
+      foreach (au; j["author_arr"].array) {
+        if (auto x = au.str.match(rgx.name_delimiter)) {
+          tmp ~= x.captures[2] ~ " " ~ x.captures[1] ~ ", ";
+        } else {
+          tmp ~= au.str;
+        }
+      }
+      tmp = tmp.replace(rgx.trailing_comma, "");
+      j["author"].str = tmp;
+      goto default;
+    case "editor_raw": // editor_arr editor (fn sn)
+      j["editor_arr"]
+        = header_tag_value.split(rgx.arr_delimiter);
+      string tmp;
+      biblioEditorLoop:
+      foreach (ed; j["editor_arr"].array) {
+        if (auto x = ed.str.match(rgx.name_delimiter)) {
+          tmp ~= x.captures[2] ~ " " ~ x.captures[1] ~ ", ";
+        } else {
+          tmp ~= ed.str;
+        }
+      }
+      tmp = tmp.replace(rgx.trailing_comma, "");
+      j["editor"].str = tmp;
+      goto default;
+    case "fulltitle": // title & subtitle
+      goto default;
+    default:
+      break;
+    }
+    auto s = j.toString();
+    debug(biblio1) {
+      writefln(
+        "* %s: %s\n%s",
+        biblio_tag_name,
+        biblio_tag_entry,
+        j[biblio_tag_name]
+      );
+    }
+    if (line.match(rgx.comment)) {
+      writeln("ERROR", line, "COMMENT");
+      writeln("ERROR", s, "%%");
+    }
+    if (!(match(line, rgx.comment))) {
+      debug(biblioblockinclude) {
+        writeln(line);
+      }
+      biblio_entry_str_json = s;
+    } else {
+      biblio_entry_str_json = "";
+    }
+    header_tag_value="";
+  }
+}
+#+END_SRC
+
+***** quote block                                                 :quote:
+
+#+name: abs_functions_block_quote
+#+BEGIN_SRC d
+string[string] flow_txt_block_quote()(
+             char[]          line,
+             string[string]  an_object,
+  return ref int[string]     obj_type_status
+) {
+  static auto rgx = Rgx();
+  if (obj_type_status["curly_quote"] == TriState.on) {
+    if (line.matchFirst(rgx.block_curly_quote_close)) {
+      debug(quote) {                              // quote (curly) close
+        writeln(line);
+      }
+      an_object[an_object_key]       = an_object[an_object_key].stripRight;
+      obj_type_status["blocks"]      = TriState.closing;
+      obj_type_status["quote"]       = TriState.closing;
+      obj_type_status["curly_quote"] = TriState.off;
+    } else {
+      debug(quote) {
+        writeln(line);
+      }
+      an_object[an_object_key] ~= line ~= "\n";   // build quote array (or string)
+    }
+  } else if (obj_type_status["tic_quote"] == TriState.on) {
+    if (line.matchFirst(rgx.block_tic_close)) {
+      debug(quote) {                              // quote (tic) close
+        writeln(line);
+      }
+      an_object[an_object_key]     = an_object[an_object_key].stripRight;
+      obj_type_status["blocks"]    = TriState.closing;
+      obj_type_status["quote"]     = TriState.closing;
+      obj_type_status["tic_quote"] = TriState.off;
+    } else {
+      debug(quote) {
+        writeln(line);
+      }
+      an_object[an_object_key] ~= line ~= "\n";   // build quote array (or string)
+    }
+  }
+  return an_object;
+}
+#+END_SRC
+
+***** group block                                                 :group:
+
+- apply inline markup
+- discard leading and newline whitespace
+
+#+name: abs_functions_block_group
+#+BEGIN_SRC d
+string[string] flow_txt_block_group()(
+             char[]          line,
+             string[string]  an_object,
+  return ref int[string]     obj_type_status
+) {
+  static auto rgx = Rgx();
+  if (obj_type_status["curly_group"] == State.on) {
+    if (line.matchFirst(rgx.block_curly_group_close)) {
+      debug(group) {
+        writeln(line);
+      }
+      an_object[an_object_key]       = an_object[an_object_key].stripRight;
+      obj_type_status["blocks"]      = TriState.closing;
+      obj_type_status["group"]       = TriState.closing;
+      obj_type_status["curly_group"] = TriState.off;
+    } else {
+      debug(group) {
+        writeln(line);
+      }
+      an_object[an_object_key] ~= line ~= "\n";   // build group array (or string)
+    }
+  } else if (obj_type_status["tic_group"] == TriState.on) {
+    if (line.matchFirst(rgx.block_tic_close)) {
+      debug(group) {
+        writeln(line);
+      }
+      an_object[an_object_key]     = an_object[an_object_key].stripRight;
+      obj_type_status["blocks"]    = TriState.closing;
+      obj_type_status["group"]     = TriState.closing;
+      obj_type_status["tic_group"] = TriState.off;
+    } else {
+      debug(group) {
+        writeln(line);
+      }
+      an_object[an_object_key] ~= line ~= "\n";   // build group array (or string)
+    }
+  }
+  return an_object;
+}
+#+END_SRC
+
+***** block block                                                 :block:
+
+- apply inline markup
+- keep whitespace indentation
+- keep newlines
+
+#+name: abs_functions_block_block
+#+BEGIN_SRC d
+string[string] flow_txt_block_block()(
+             char[]          line,
+             string[string]  an_object,
+  return ref int[string]     obj_type_status
+) {
+  static auto rgx = Rgx();
+  if (obj_type_status["curly_block"] == TriState.on) {
+    if (line.matchFirst(rgx.block_curly_block_close)) {
+      debug(block) {                             // block (curly) close
+        writeln(line);
+      }
+      an_object[an_object_key]       = an_object[an_object_key].stripRight;
+      obj_type_status["blocks"]      = TriState.closing;
+      obj_type_status["block"]       = TriState.closing;
+      obj_type_status["curly_block"] = TriState.off;
+    } else {
+      debug(block) {
+        writeln(line);
+      }
+      an_object[an_object_key] ~= line ~= "\n";   // build block array (or string)
+    }
+  } else if (obj_type_status["tic_block"] == TriState.on) {
+    if (line.matchFirst(rgx.block_tic_close)) {
+      debug(block) {
+        writeln(line);
+      }
+      an_object[an_object_key]     = an_object[an_object_key].stripRight;
+      obj_type_status["blocks"]    = TriState.closing;
+      obj_type_status["block"]     = TriState.closing;
+      obj_type_status["tic_block"] = TriState.off;
+    } else {
+      debug(block) {
+        writeln(line);
+      }
+      an_object[an_object_key] ~= line ~= "\n";   // build block array (or string)
+    }
+  }
+  return an_object;
+}
+#+END_SRC
+
+***** poem block, verse objects                              :poem:verse:
+
+why extra object stuff only in poem/verse?
+
+#+name: abs_functions_block_poem
+#+BEGIN_SRC d
+string[string]  flow_txt_block_poem(CMM)(
+             char[]          line,
+             string[string]  an_object,
+  return ref int[string]     obj_type_status,
+  return ref int             cntr,
+             string[string]  object_number_poem,
+             CMM             conf_make_meta,
+             string[string]  tag_in_seg,
+) {
+  static auto rgx = Rgx();
+  if (obj_type_status["curly_poem"] == TriState.on) {
+    if (line.matchFirst(rgx.block_curly_poem_close)) {
+      if (an_object_key in an_object
+      || processing.length > 0) {
+        an_object[an_object_key]                    = "";
+        debug(poem) {
+          writefln(
+            "* [poem curly] %s",
+            line
+          );
+        }
+        if (processing.length > 0) {
+          an_object[an_object_key] = processing["verse"];
+        }
+        debug(poem) {
+          writeln(__LINE__);
+          writefln(
+            "* %s %s",
+            obj_cite_digits.object_number,
+            line
+          );
+        }
+        if (an_object.length > 0) {
+          debug(poem) {                             // poem (curly) close
+            writeln(
+              obj_cite_digits.object_number,
+              an_object[an_object_key]
+            );
+          }
+          an_object["is"]                           = "verse";
+          auto substantive_obj_misc_tuple
+            = obj_im.obj_inline_markup_and_anchor_tags_and_misc(an_object, an_object_key, conf_make_meta, No._new_doc);
+          an_object["substantive"] = substantive_obj_misc_tuple[sObj.content];
+          anchor_tag = substantive_obj_misc_tuple[sObj.anchor_tag];
+          comp_obj_block                                 = comp_obj_block.init;
+          comp_obj_block.metainfo.is_of_part             = "body";
+          comp_obj_block.metainfo.is_of_section          = "body";
+          comp_obj_block.metainfo.is_of_type             = "block";
+          comp_obj_block.metainfo.is_a                   = "verse";
+          comp_obj_block.metainfo.ocn                    = obj_cite_digits.object_number;
+          comp_obj_block.metainfo.identifier             = obj_cite_digits.identifier;
+          comp_obj_block.metainfo.object_number_off      = obj_cite_digits.off;
+          comp_obj_block.metainfo.o_n_book_index         = obj_cite_digits.bkidx;
+          comp_obj_block.metainfo.object_number_type     = obj_cite_digits.type;
+          comp_obj_block.tags.html_segment_anchor_tag_is = tag_in_seg["seg_lv4"];
+          comp_obj_block.tags.epub_segment_anchor_tag_is = tag_in_seg["seg_lv1_to_4"];
+          comp_obj_block.text                            = an_object["substantive"];
+          comp_obj_block.has.inline_notes_reg            = substantive_obj_misc_tuple[sObj.notes_reg];
+          comp_obj_block.has.inline_notes_star           = substantive_obj_misc_tuple[sObj.notes_star];
+          comp_obj_block.has.inline_links                = substantive_obj_misc_tuple[sObj.links];
+          the_document_body_section                      ~= comp_obj_block;
+          tag_assoc                                      = an_object.inline_para_link_anchor(tag_in_seg, tag_assoc);
+        }
+        object_reset(an_object);
+        processing.remove("verse");
+        ++cntr;
+      }
+      object_number_poem["end"]     = obj_cite_digits.object_number.to!string;
+      obj_type_status["blocks"]     = TriState.closing;
+      obj_type_status["poem"]       = TriState.closing;
+      obj_type_status["curly_poem"] = TriState.off;
+    } else {
+      processing["verse"] ~= line ~= "\n";
+      if (obj_type_status["verse_new"] == State.on) {
+        obj_cite_digits = ocn_emit(obj_type_status["ocn_status"]);
+        obj_type_status["verse_new"] = State.off;
+      } else if (line.matchFirst(rgx.newline_eol_delimiter_only)) {
+        processing["verse"] = processing["verse"].stripRight;
+        verse_line = TriState.off;
+        obj_type_status["verse_new"] = State.on;
+      }
+      if (obj_type_status["verse_new"] == State.on) {
+        verse_line=1;
+        an_object[an_object_key] = processing["verse"];
+        debug(poem) {                          // poem verse
+          writefln(
+            "* %s curly\n%s",
+            obj_cite_digits.object_number,
+            an_object[an_object_key]
+          );
+        }
+        processing.remove("verse");
+        an_object["is"]                           = "verse";
+        auto comp_obj_location = node_construct.node_location_emitter(
+          content_non_header,
+          tag_in_seg,
+          lev_anchor_tag,
+          tag_assoc,
+          obj_cite_digits,
+          cntr,
+          heading_ptr-1,
+          an_object["is"]
+        );
+        auto substantive_obj_misc_tuple
+          = obj_im.obj_inline_markup_and_anchor_tags_and_misc(an_object, an_object_key, conf_make_meta, No._new_doc);
+        an_object["substantive"] = substantive_obj_misc_tuple[sObj.content];
+        anchor_tag = substantive_obj_misc_tuple[sObj.anchor_tag];
+        comp_obj_block                                 = comp_obj_block.init;
+        comp_obj_block.metainfo.is_of_part             = "body";
+        comp_obj_block.metainfo.is_of_section          = "body";
+        comp_obj_block.metainfo.is_of_type             = "block";
+        comp_obj_block.metainfo.is_a                   = "verse";
+        comp_obj_block.metainfo.ocn                    = obj_cite_digits.object_number;
+        comp_obj_block.metainfo.identifier             = obj_cite_digits.identifier;
+        comp_obj_block.metainfo.object_number_off      = obj_cite_digits.off;
+        comp_obj_block.metainfo.o_n_book_index         = obj_cite_digits.bkidx;
+        comp_obj_block.metainfo.object_number_type     = obj_cite_digits.type;
+        comp_obj_block.tags.html_segment_anchor_tag_is = tag_in_seg["seg_lv4"];
+        comp_obj_block.tags.epub_segment_anchor_tag_is = tag_in_seg["seg_lv1_to_4"];
+        comp_obj_block.text                            = an_object["substantive"];
+        comp_obj_block.has.inline_notes_reg            = substantive_obj_misc_tuple[sObj.notes_reg];
+        comp_obj_block.has.inline_notes_star           = substantive_obj_misc_tuple[sObj.notes_star];
+        comp_obj_block.has.inline_links                = substantive_obj_misc_tuple[sObj.links];
+        the_document_body_section                      ~= comp_obj_block;
+        tag_assoc                                      = an_object.inline_para_link_anchor(tag_in_seg, tag_assoc);
+        object_reset(an_object);
+        processing.remove("verse");
+        ++cntr;
+      }
+    }
+  } else if (obj_type_status["tic_poem"] == TriState.on) {
+    if (auto m = line.matchFirst(rgx.block_tic_close)) { // tic_poem_close
+      an_object[an_object_key]="verse";
+      debug(poem) {
+        writefln(
+          "* [poem tic] %s",
+          line
+        );
+      }
+      if (processing.length > 0) {
+        an_object[an_object_key] = processing["verse"];
+      }
+      if (an_object.length > 0) {
+        debug(poem) {                                     // poem (tic) close
+          writeln(__LINE__);
+          writeln(obj_cite_digits.object_number, line);
+        }
+        processing.remove("verse");
+        an_object["is"]                                = "verse";
+        auto substantive_obj_misc_tuple
+          = obj_im.obj_inline_markup_and_anchor_tags_and_misc(an_object, an_object_key, conf_make_meta, No._new_doc);
+        an_object["substantive"] = substantive_obj_misc_tuple[sObj.content];
+        anchor_tag = substantive_obj_misc_tuple[sObj.anchor_tag];
+        comp_obj_block                                 = comp_obj_block.init;
+        comp_obj_block.metainfo.is_of_part             = "body";
+        comp_obj_block.metainfo.is_of_section          = "body";
+        comp_obj_block.metainfo.is_of_type             = "block";
+        comp_obj_block.metainfo.is_a                   = "verse";
+        comp_obj_block.metainfo.ocn                    = obj_cite_digits.object_number;
+        comp_obj_block.metainfo.identifier             = obj_cite_digits.identifier;
+        comp_obj_block.metainfo.object_number_off      = obj_cite_digits.off;
+        comp_obj_block.metainfo.o_n_book_index         = obj_cite_digits.bkidx;
+        comp_obj_block.metainfo.object_number_type     = obj_cite_digits.type;
+        comp_obj_block.tags.html_segment_anchor_tag_is = tag_in_seg["seg_lv4"];
+        comp_obj_block.tags.epub_segment_anchor_tag_is = tag_in_seg["seg_lv1_to_4"];
+        comp_obj_block.text                            = an_object["substantive"];
+        comp_obj_block.has.inline_notes_reg            = substantive_obj_misc_tuple[sObj.notes_reg];
+        comp_obj_block.has.inline_notes_star           = substantive_obj_misc_tuple[sObj.notes_star];
+        comp_obj_block.has.inline_links                = substantive_obj_misc_tuple[sObj.links];
+        the_document_body_section                      ~= comp_obj_block;
+        tag_assoc                                      = an_object.inline_para_link_anchor(tag_in_seg, tag_assoc);
+        object_number_poem["end"]                      = obj_cite_digits.object_number.to!string;
+        object_reset(an_object);
+        processing.remove("verse");
+        ++cntr;
+      }
+      obj_type_status["blocks"]   = TriState.closing;
+      obj_type_status["poem"]     = TriState.closing;
+      obj_type_status["tic_poem"] = TriState.off;
+    } else {
+      processing["verse"] ~= line ~= "\n";
+      if (obj_type_status["verse_new"] == State.on) {
+        obj_cite_digits = ocn_emit(obj_type_status["ocn_status"]);
+        obj_type_status["verse_new"] = State.off;
+      } else if (line.matchFirst(rgx.newline_eol_delimiter_only)) {
+        processing["verse"] = processing["verse"].stripRight;
+        obj_type_status["verse_new"] = State.on;
+        verse_line = TriState.off;
+      }
+      if (obj_type_status["verse_new"] == State.on) {
+        verse_line=1;
+        an_object[an_object_key] = processing["verse"];
+        debug(poem) {                            // poem (tic) close
+          writefln(
+            "* %s tic\n%s",
+            obj_cite_digits.object_number,
+            an_object[an_object_key]
+          );
+        }
+        processing.remove("verse");
+        an_object["is"]                           = "verse";
+        auto comp_obj_location
+          = node_construct.node_location_emitter(
+            content_non_header,
+            tag_in_seg,
+            lev_anchor_tag,
+            tag_assoc,
+            obj_cite_digits,
+            cntr,
+            heading_ptr-1,
+            an_object["is"]
+          );
+        auto substantive_obj_misc_tuple
+          = obj_im.obj_inline_markup_and_anchor_tags_and_misc(an_object, an_object_key, conf_make_meta, No._new_doc);
+        an_object["substantive"] = substantive_obj_misc_tuple[sObj.content];
+        anchor_tag = substantive_obj_misc_tuple[sObj.anchor_tag];
+        comp_obj_block                                 = comp_obj_block.init;
+        comp_obj_block.metainfo.is_of_part             = "body";
+        comp_obj_block.metainfo.is_of_section          = "body";
+        comp_obj_block.metainfo.is_of_type             = "block";
+        comp_obj_block.metainfo.is_a                   = "verse";
+        comp_obj_block.metainfo.ocn                    = obj_cite_digits.object_number;
+        comp_obj_block.metainfo.identifier             = obj_cite_digits.identifier;
+        comp_obj_block.metainfo.object_number_off      = obj_cite_digits.off;
+        comp_obj_block.metainfo.o_n_book_index         = obj_cite_digits.bkidx;
+        comp_obj_block.metainfo.object_number_type     = obj_cite_digits.type;
+        comp_obj_block.tags.html_segment_anchor_tag_is = tag_in_seg["seg_lv4"];
+        comp_obj_block.tags.epub_segment_anchor_tag_is = tag_in_seg["seg_lv1_to_4"];
+        comp_obj_block.text                            = an_object["substantive"];
+        comp_obj_block.has.inline_notes_reg            = substantive_obj_misc_tuple[sObj.notes_reg];
+        comp_obj_block.has.inline_notes_star           = substantive_obj_misc_tuple[sObj.notes_star];
+        comp_obj_block.has.inline_links                = substantive_obj_misc_tuple[sObj.links];
+        the_document_body_section                      ~= comp_obj_block;
+        tag_assoc                                      = an_object.inline_para_link_anchor(tag_in_seg, tag_assoc);
+        object_reset(an_object);
+        processing.remove("verse");
+        ++cntr;
+      }
+    }
+  }
+  return an_object;
+}
+#+END_SRC
+
+***** table block                                                 :table:
+
+there are 3 types of table markup that need to be nomalized (given a single representation) here
+
+- curly brace block
+- tic block
+- special notation block
+
+you need:
+- identify the type for the munging to create uniform presentation
+  - curly, tick, special
+  - table heading row, bool
+- present table header info in uniform way
+  - table_number_of_columns, int (count)
+  - table_column_widths, int[] column widths (as given or calculate average)
+  - show table walls, bool
+- table content marked up in uniform way
+
+#+name: abs_functions_block_table
+#+BEGIN_SRC d
+string[string] flow_txt_block_table(CMM)(
+             char[]          line,
+             string[string]  an_object,
+  return ref int[string]     obj_type_status,
+  return ref CMM             conf_make_meta,
+) {
+  static auto rgx = Rgx();
+  if (obj_type_status["curly_table"] == TriState.on) {
+    if (line.matchFirst(rgx.block_curly_table_close)) {
+      debug(table) {                           // table (curly) close
+        writeln(line);
+      }
+      obj_type_status["blocks"]      = TriState.closing;
+      obj_type_status["table"]       = TriState.closing;
+      obj_type_status["curly_table"] = TriState.off;
+    } else {
+      debug(table) {                           // table
+        writeln(line);
+      }
+      an_object[an_object_key] ~= line ~= "\n";           // build table array (or string)
+    }
+  } else if (obj_type_status["curly_table_special_markup"] == TriState.on) {
+    if (line.empty) {
+      obj_type_status["blocks"]                     = TriState.off;
+      obj_type_status["table"]                      = TriState.off;
+      obj_type_status["curly_table_special_markup"] = TriState.off;
+      line.flow_table_closed_make_special_notation_table_(
+        an_object,
+        the_document_body_section,
+        obj_cite_digits,
+        comp_obj_heading,
+        cntr,
+        obj_type_status,
+        conf_make_meta,
+      );
+    } else {
+      debug(table) {
+        writeln(line);
+      }
+      an_object[an_object_key] ~= line ~= "\n";
+    }
+  } else if (obj_type_status["tic_table"] == TriState.on) {
+    if (line.matchFirst(rgx.block_tic_close)) {
+      debug(table) {                           // table (tic) close
+        writeln(line);
+      }
+      obj_type_status["blocks"]    = TriState.closing;
+      obj_type_status["table"]     = TriState.closing;
+      obj_type_status["tic_table"] = TriState.off;
+    } else {
+      debug(table) {                           // table
+        writeln(line);
+      }
+      an_object[an_object_key] ~= line ~= "\n";           // build table array (or string)
+    }
+  }
+  return an_object;
+}
+#+END_SRC
+
+**** special table notation, make: table
+
+process and use an_object["table_head"] (then empty it)
+- present table header info in uniform way
+  - table_number_of_columns, int (count)
+  - table_column_widths, int[] column widths (as given or calculate average)
+  - show table walls, bool
+
+#+name: abs_functions_block_line_status_empty
+#+BEGIN_SRC d
+void flow_table_closed_make_special_notation_table_(N,CMM)(
+             char[]                line,
+  return ref string[string]        an_object,
+  return ref ObjGenericComposite[] the_document_body_section,
+  return ref N                     obj_cite_digits,
+  return ref ObjGenericComposite   _comp_obj_heading,
+  return ref int                   cntr,
+  return ref int[string]           obj_type_status,
+  CMM                              conf_make_meta
+) {
+  comp_obj_block = comp_obj_block.init;
+  obj_cite_digits = ocn_emit(obj_type_status["ocn_status"]);
+  auto comp_obj_location
+    = node_construct.node_location_emitter(
+      content_non_header,
+      tag_in_seg,
+      lev_anchor_tag,
+      tag_assoc,
+      obj_cite_digits,
+      cntr,
+      heading_ptr-1,
+      "table"
+    );
+  an_object["is"] = "table";
+  auto substantive_obj_misc_tuple
+    = obj_im.obj_inline_markup_and_anchor_tags_and_misc(an_object, "body_nugget", conf_make_meta, No._new_doc);
+  an_object["substantive"]                       = substantive_obj_misc_tuple[sObj.content];
+  comp_obj_block.metainfo.ocn                    = obj_cite_digits.object_number;
+  comp_obj_block.metainfo.identifier             = obj_cite_digits.identifier;
+  comp_obj_block.metainfo.object_number_off      = obj_cite_digits.off;
+  comp_obj_block.tags.html_segment_anchor_tag_is = tag_in_seg["seg_lv4"];
+  comp_obj_block.tags.epub_segment_anchor_tag_is = tag_in_seg["seg_lv1_to_4"];
+  comp_obj_block.metainfo.o_n_book_index         = obj_cite_digits.bkidx;
+  comp_obj_block.metainfo.object_number_type     = obj_cite_digits.type;
+  comp_obj_block                                 = comp_obj_block.flow_table_instructions(an_object["table_head"]);
+  comp_obj_block                                 = comp_obj_block.flow_table_substantive_munge_special(an_object["substantive"]);
+  the_document_body_section                      ~= comp_obj_block;
+  object_reset(an_object);
+  processing.remove("verse");
+  ++cntr;
+}
+#+END_SRC
+
+**** block end (close an open block): line empty, block flag _makes_ :close:
+
+***** { line empty, _make block_
+
+#+name: abs_functions_block_line_status_empty
+#+BEGIN_SRC d
+string[string] flow_block_flag_line_empty_(B,N,CMM,Ts)(
+             char[]                   line,
+             string[string]           an_object,
+             B                        bookindex_extract_hash,
+  return ref ObjGenericComposite[]    the_document_body_section,
+  return ref string[][string][string] bookindex_unordered_hashes,
+  return ref N                        obj_cite_digits,
+  return ref ObjGenericComposite      _comp_obj_heading,
+  return ref int                      cntr,
+  return ref int[string]              obj_type_status,
+  string[string]                      object_number_poem,
+  CMM                                 conf_make_meta,
+  Ts                                  tag_in_seg,
+) {
+  assert(
+    line.empty,
+    "\nline should be empty:\n  \""
+    ~ line ~ "\""
+  );
+  assert(
+    (obj_type_status["blocks"] == TriState.closing),
+    "code block status: closed"
+  );
+  assertions_flag_types_block_status_none_or_closed(obj_type_status);
+  static auto rgx = Rgx();
+#+END_SRC
+
+****** make: quote block
+
+#+name: abs_functions_block_line_status_empty
+#+BEGIN_SRC d
+  if (obj_type_status["quote"] == TriState.closing) {
+    obj_cite_digits = ocn_emit(obj_type_status["ocn_status"]);
+    an_object["bookindex_nugget"]
+      = ("bookindex_nugget" in an_object) ? an_object["bookindex_nugget"] : "";
+    bookindex_unordered_hashes
+      = bookindex_extract_hash.bookindex_nugget_hash(
+        an_object["bookindex_nugget"],
+        obj_cite_digits,
+        tag_in_seg
+      );
+    an_object["is"] = "quote";
+    auto comp_obj_location
+      = node_construct.node_location_emitter(
+        content_non_header,
+        tag_in_seg,
+        lev_anchor_tag,
+        tag_assoc,
+        obj_cite_digits,
+        cntr,
+        heading_ptr-1,
+        an_object["is"]
+      );
+    auto substantive_obj_misc_tuple
+      = obj_im.obj_inline_markup_and_anchor_tags_and_misc(an_object, an_object_key, conf_make_meta, No._new_doc);
+    an_object["substantive"] = substantive_obj_misc_tuple[sObj.content];
+    anchor_tag = substantive_obj_misc_tuple[sObj.anchor_tag];
+    comp_obj_block                                 = comp_obj_block.init;
+    comp_obj_block.metainfo.is_of_part             = "body";
+    comp_obj_block.metainfo.is_of_section          = "body";
+    comp_obj_block.metainfo.is_of_type             = "block";
+    comp_obj_block.metainfo.is_a                   = "quote";
+    comp_obj_block.metainfo.ocn                    = obj_cite_digits.object_number;
+    comp_obj_block.metainfo.identifier             = obj_cite_digits.identifier;
+    comp_obj_block.metainfo.object_number_off      = obj_cite_digits.off;
+    comp_obj_block.metainfo.o_n_book_index         = obj_cite_digits.bkidx;
+    comp_obj_block.metainfo.object_number_type     = obj_cite_digit_type;
+    comp_obj_block.metainfo.lang                   = an_object["lang"];
+    comp_obj_block.metainfo.attrib                 = an_object["attrib"];
+    comp_obj_block.tags.html_segment_anchor_tag_is = tag_in_seg["seg_lv4"];
+    comp_obj_block.tags.epub_segment_anchor_tag_is = tag_in_seg["seg_lv1_to_4"];
+    comp_obj_block.text                            = an_object["substantive"];
+    comp_obj_block.has.inline_notes_reg            = substantive_obj_misc_tuple[sObj.notes_reg];
+    comp_obj_block.has.inline_notes_star           = substantive_obj_misc_tuple[sObj.notes_star];
+    comp_obj_block.has.inline_links                = substantive_obj_misc_tuple[sObj.links];
+    the_document_body_section                      ~= comp_obj_block;
+    tag_assoc                                      = an_object.inline_para_link_anchor(tag_in_seg, tag_assoc);
+    obj_type_status["blocks"]                      = TriState.off;
+    obj_type_status["quote"]                       = TriState.off;
+    object_reset(an_object);
+    processing.remove("verse");
+    ++cntr;
+#+END_SRC
+
+****** make: group block
+
+#+name: abs_functions_block_line_status_empty
+#+BEGIN_SRC d
+  } else if (obj_type_status["group"] == TriState.closing) {
+    obj_cite_digits = ocn_emit(obj_type_status["ocn_status"]);
+    an_object["bookindex_nugget"]
+      = ("bookindex_nugget" in an_object) ? an_object["bookindex_nugget"] : "";
+    bookindex_unordered_hashes
+      = bookindex_extract_hash.bookindex_nugget_hash(
+        an_object["bookindex_nugget"],
+        obj_cite_digits,
+        tag_in_seg
+      );
+    an_object["is"] = "group";
+    auto comp_obj_location
+      = node_construct.node_location_emitter(
+        content_non_header,
+        tag_in_seg,
+        lev_anchor_tag,
+        tag_assoc,
+        obj_cite_digits,
+        cntr,
+        heading_ptr-1,
+        an_object["is"]
+      );
+    auto substantive_obj_misc_tuple
+      = obj_im.obj_inline_markup_and_anchor_tags_and_misc(an_object, an_object_key, conf_make_meta, No._new_doc);
+    an_object["substantive"] = substantive_obj_misc_tuple[sObj.content];
+    anchor_tag = substantive_obj_misc_tuple[sObj.anchor_tag];
+    comp_obj_block                                 = comp_obj_block.init;
+    comp_obj_block.metainfo.is_of_part             = "body";
+    comp_obj_block.metainfo.is_of_section          = "body";
+    comp_obj_block.metainfo.is_of_type             = "block";
+    comp_obj_block.metainfo.is_a                   = "group";
+    comp_obj_block.metainfo.ocn                    = obj_cite_digits.object_number;
+    comp_obj_block.metainfo.identifier             = obj_cite_digits.identifier;
+    comp_obj_block.metainfo.object_number_off      = obj_cite_digits.off;
+    comp_obj_block.metainfo.o_n_book_index         = obj_cite_digits.bkidx;
+    comp_obj_block.metainfo.object_number_type     = obj_cite_digits.type;
+    comp_obj_block.metainfo.lang                   = an_object["lang"];
+    comp_obj_block.metainfo.attrib                 = an_object["attrib"];
+    comp_obj_block.tags.html_segment_anchor_tag_is = tag_in_seg["seg_lv4"];
+    comp_obj_block.tags.epub_segment_anchor_tag_is = tag_in_seg["seg_lv1_to_4"];
+    comp_obj_block.text                            = an_object["substantive"];
+    comp_obj_block.has.inline_notes_reg            = substantive_obj_misc_tuple[sObj.notes_reg];
+    comp_obj_block.has.inline_notes_star           = substantive_obj_misc_tuple[sObj.notes_star];
+    comp_obj_block.has.inline_links                = substantive_obj_misc_tuple[sObj.links];
+    the_document_body_section                      ~= comp_obj_block;
+    tag_assoc                                      = an_object.inline_para_link_anchor(tag_in_seg, tag_assoc);
+    obj_type_status["blocks"]                      = TriState.off;
+    obj_type_status["group"]                       = TriState.off;
+    object_reset(an_object);
+    processing.remove("verse");
+    ++cntr;
+#+END_SRC
+
+****** make: block
+
+#+name: abs_functions_block_line_status_empty
+#+BEGIN_SRC d
+  } else if (obj_type_status["block"] == TriState.closing) {
+    obj_cite_digits = ocn_emit(obj_type_status["ocn_status"]);
+    an_object["bookindex_nugget"]
+      = ("bookindex_nugget" in an_object) ? an_object["bookindex_nugget"] : "";
+    bookindex_unordered_hashes
+      = bookindex_extract_hash.bookindex_nugget_hash(
+        an_object["bookindex_nugget"],
+        obj_cite_digits,
+        tag_in_seg
+      );
+    an_object["is"] = "block";
+    auto comp_obj_location
+      = node_construct.node_location_emitter(
+        content_non_header,
+        tag_in_seg,
+        lev_anchor_tag,
+        tag_assoc,
+        obj_cite_digits,
+        cntr,
+        heading_ptr-1,
+        an_object["is"]
+      );
+    auto substantive_obj_misc_tuple
+      = obj_im.obj_inline_markup_and_anchor_tags_and_misc(an_object, an_object_key, conf_make_meta, No._new_doc);
+    an_object["substantive"]                       = substantive_obj_misc_tuple[sObj.content];
+    // anchor_tag                                  = substantive_obj_misc_tuple[sObj.anchor_tag];
+    comp_obj_block                                 = comp_obj_block.init;
+    comp_obj_block.metainfo.is_of_part             = "body";
+    comp_obj_block.metainfo.is_of_section          = "body";
+    comp_obj_block.metainfo.is_of_type             = "block";
+    comp_obj_block.metainfo.is_a                   = "block";
+    comp_obj_block.metainfo.ocn                    = obj_cite_digits.object_number;
+    comp_obj_block.metainfo.identifier             = obj_cite_digits.identifier;
+    comp_obj_block.metainfo.object_number_off      = obj_cite_digits.off;
+    comp_obj_block.metainfo.o_n_book_index         = obj_cite_digits.bkidx;
+    comp_obj_block.metainfo.object_number_type     = obj_cite_digit_type;
+    comp_obj_block.metainfo.lang                   = an_object["lang"];
+    comp_obj_block.metainfo.attrib                 = an_object["attrib"];
+    comp_obj_block.tags.html_segment_anchor_tag_is = tag_in_seg["seg_lv4"];
+    comp_obj_block.tags.epub_segment_anchor_tag_is = tag_in_seg["seg_lv1_to_4"];
+    comp_obj_block.text                            = an_object["substantive"];
+    comp_obj_block.has.inline_notes_reg            = substantive_obj_misc_tuple[sObj.notes_reg];
+    comp_obj_block.has.inline_notes_star           = substantive_obj_misc_tuple[sObj.notes_star];
+    comp_obj_block.has.inline_links                = substantive_obj_misc_tuple[sObj.links];
+    the_document_body_section                      ~= comp_obj_block;
+    obj_type_status["blocks"]                      = TriState.off;
+    obj_type_status["block"]                       = TriState.off;
+    object_reset(an_object);
+    processing.remove("verse");
+    ++cntr;
+#+END_SRC
+
+****** make: poem
+
+#+name: abs_functions_block_line_status_empty
+#+BEGIN_SRC d
+  } else if (obj_type_status["poem"] == TriState.closing) {
+    an_object["bookindex_nugget"]
+      = ("bookindex_nugget" in an_object) ? an_object["bookindex_nugget"] : "";
+    bookindex_unordered_hashes
+      = bookindex_extract_hash.bookindex_nugget_hash(
+        an_object["bookindex_nugget"],
+        obj_cite_digits,
+        tag_in_seg
+      );
+    an_object["is"]                           = "verse";
+    auto comp_obj_location
+      = node_construct.node_location_emitter(
+        content_non_header,
+        tag_in_seg,
+        lev_anchor_tag,
+        tag_assoc,
+        obj_cite_digits,
+        cntr,
+        heading_ptr-1,
+        an_object["is"]
+      );
+    comp_obj_poem_ocn                               = comp_obj_poem_ocn.init;
+    comp_obj_poem_ocn.metainfo.is_of_part           = "body";
+    comp_obj_poem_ocn.metainfo.is_of_section        = "body";
+    comp_obj_poem_ocn.metainfo.is_of_type           = "block";
+    comp_obj_poem_ocn.metainfo.is_a                 = "poem";
+    comp_obj_poem_ocn.metainfo.ocn                  = obj_cite_digits.object_number;
+    comp_obj_poem_ocn.metainfo.identifier           = obj_cite_digits.identifier;
+    comp_obj_poem_ocn.metainfo.object_number_off    = obj_cite_digits.off;
+    comp_obj_poem_ocn.metainfo.o_n_book_index       = obj_cite_digits.bkidx;
+    comp_obj_poem_ocn.metainfo.object_number_type   = obj_cite_digits.type;
+    comp_obj_poem_ocn.text                          = "";
+    the_document_body_section                       ~= comp_obj_poem_ocn;
+    obj_type_status["blocks"]                       = TriState.off;
+    obj_type_status["poem"]                         = TriState.off;
+    object_reset(an_object);
+    processing.remove("verse");
+#+END_SRC
+
+****** make: code block
+
+#+name: abs_functions_block_line_status_empty
+#+BEGIN_SRC d
+  } else if (obj_type_status["code"] == TriState.closing) {
+    obj_cite_digits = ocn_emit(obj_type_status["ocn_status"]);
+    an_object["bookindex_nugget"]
+      = ("bookindex_nugget" in an_object) ? an_object["bookindex_nugget"] : "";
+    bookindex_unordered_hashes
+      = bookindex_extract_hash.bookindex_nugget_hash(
+        an_object["bookindex_nugget"],
+        obj_cite_digits,
+        tag_in_seg
+      );
+    an_object["is"] = "code";
+    auto comp_obj_location
+      = node_construct.node_location_emitter(
+        content_non_header,
+        tag_in_seg,
+        lev_anchor_tag,
+        tag_assoc,
+        obj_cite_digits,
+        cntr,
+        heading_ptr-1,
+        an_object["is"]
+      );
+    auto substantive_obj_misc_tuple
+      = obj_im.obj_inline_markup_and_anchor_tags_and_misc(an_object, an_object_key, conf_make_meta, No._new_doc);
+    an_object["substantive"] = substantive_obj_misc_tuple[sObj.content];
+    anchor_tag = substantive_obj_misc_tuple[sObj.anchor_tag];
+    comp_obj_code                                 = comp_obj_code.init;
+    comp_obj_code.metainfo.is_of_part             = "body";
+    comp_obj_code.metainfo.is_of_section          = "body";
+    comp_obj_code.metainfo.is_of_type             = "block";
+    comp_obj_code.metainfo.is_a                   = "code";
+    comp_obj_code.metainfo.ocn                    = obj_cite_digits.object_number;
+    comp_obj_code.metainfo.identifier             = obj_cite_digits.identifier;
+    comp_obj_code.metainfo.object_number_off      = obj_cite_digits.off;
+    comp_obj_code.metainfo.o_n_book_index         = obj_cite_digits.bkidx;
+    comp_obj_code.metainfo.object_number_type     = obj_cite_digits.type;
+    comp_obj_code.metainfo.syntax                 = an_object["syntax"];
+    comp_obj_code.metainfo.attrib                 = an_object["attrib"];
+    comp_obj_code.code_block.linenumbers          = (an_object["attrib"].match(rgx.code_numbering)) ? true : false;
+    comp_obj_code.tags.html_segment_anchor_tag_is = tag_in_seg["seg_lv4"];
+    comp_obj_code.tags.epub_segment_anchor_tag_is = tag_in_seg["seg_lv1_to_4"];
+    comp_obj_code.text                            = an_object["substantive"];
+    comp_obj_code.has.inline_notes_reg            = substantive_obj_misc_tuple[sObj.notes_reg];
+    comp_obj_code.has.inline_notes_star           = substantive_obj_misc_tuple[sObj.notes_star];
+    comp_obj_code.has.inline_links                = substantive_obj_misc_tuple[sObj.links];
+    the_document_body_section                     ~= comp_obj_code;
+    obj_type_status["blocks"]                     = TriState.off;
+    obj_type_status["code"]                       = TriState.off;
+    object_reset(an_object);
+    processing.remove("verse");
+    ++cntr;
+#+END_SRC
+
+****** make: table
+
+#+name: abs_functions_block_line_status_empty
+#+BEGIN_SRC d
+  } else if (obj_type_status["table"] == TriState.closing) {
+    comp_obj_block = comp_obj_block.init;
+    obj_cite_digits = ocn_emit(obj_type_status["ocn_status"]);
+    an_object["bookindex_nugget"]
+      = ("bookindex_nugget" in an_object) ? an_object["bookindex_nugget"] : "";
+    bookindex_unordered_hashes
+      = bookindex_extract_hash.bookindex_nugget_hash(
+        an_object["bookindex_nugget"],
+        obj_cite_digits,
+        tag_in_seg
+      );
+    an_object["is"] = "table";
+    auto comp_obj_location
+      = node_construct.node_location_emitter(
+        content_non_header,
+        tag_in_seg,
+        lev_anchor_tag,
+        tag_assoc,
+        obj_cite_digits,
+        cntr,
+        heading_ptr-1,
+        an_object["is"]
+      );
+    auto substantive_obj_misc_tuple
+      = obj_im.obj_inline_markup_and_anchor_tags_and_misc(an_object, an_object_key, conf_make_meta, No._new_doc);
+    an_object["substantive"]                       = substantive_obj_misc_tuple[sObj.content];
+    comp_obj_block                                 = comp_obj_block.init;
+    comp_obj_block.metainfo.ocn                    = obj_cite_digits.object_number;
+    comp_obj_block.metainfo.identifier             = obj_cite_digits.identifier;
+    comp_obj_block.metainfo.object_number_off      = obj_cite_digits.off;
+    comp_obj_block.tags.html_segment_anchor_tag_is = tag_in_seg["seg_lv4"];
+    comp_obj_block.tags.epub_segment_anchor_tag_is = tag_in_seg["seg_lv1_to_4"];
+    comp_obj_block.metainfo.o_n_book_index         = obj_cite_digits.bkidx;
+    comp_obj_block.metainfo.object_number_type     = obj_cite_digits.type;
+    comp_obj_block                                 = comp_obj_block.flow_table_instructions(an_object["table_head"]);
+    comp_obj_block                                 = comp_obj_block.flow_table_substantive_munge(an_object["substantive"]);
+    the_document_body_section                      ~= comp_obj_block;
+    obj_type_status["blocks"]                      = TriState.off;
+    obj_type_status["table"]                       = TriState.off;
+    object_reset(an_object);
+    processing.remove("verse");
+    ++cntr;
+  }
+#+END_SRC
+
+***** }
+
+#+name: abs_functions_block_line_status_empty
+#+BEGIN_SRC d
+  return an_object;
+}
+#+END_SRC
+
+*** book index                                                  :bookindex:
+
+#+name: abs_functions_book_index
+#+BEGIN_SRC d
+string[string] flow_book_index_(B)(
+             char[]          line,
+             string[string]  an_object,
+  return ref string          book_idx_tmp,
+  return ref int[string]     obj_type_status,
+             B               opt_action,
+) {
+  static auto rgx = Rgx();
+  if (auto m = line.match(rgx.book_index)) {                                   /+ match book_index +/
+    debug(bookindexmatch) {
+      writefln(
+        "* [bookindex] %s\n",
+        m["bookindex"].to!string,
+      );
+    }
+    an_object["bookindex_nugget"] = m.captures[1].to!string;
+  } else if (auto m = line.match(rgx.book_index_open))  {                      /+ match open book_index +/
+    obj_type_status["book_index"] = State.on;
+    if (opt_action.backmatter && opt_action.section_bookindex) {
+      book_idx_tmp = m.captures[1].to!string;
+      debug(bookindexmatch) {
+        writefln(
+          "* [bookindex] %s\n",
+          book_idx_tmp,
+        );
+      }
+    }
+  } else if (obj_type_status["book_index"] == State.on )  {                    /+ book_index flag set +/
+    if (auto m = line.match(rgx.book_index_close))  {
+      obj_type_status["book_index"] = State.off;
+      if (opt_action.backmatter
+      && opt_action.section_bookindex) {
+        an_object["bookindex_nugget"] = book_idx_tmp ~ m.captures[1].to!string;
+        debug(bookindexmatch) {
+          writefln(
+            "* [bookindex] %s\n",
+            book_idx_tmp,
+          );
+        }
+      }
+      book_idx_tmp = "";
+    } else {
+      if (opt_action.backmatter
+      && opt_action.section_bookindex) {
+        book_idx_tmp ~= line;
+      }
+    }
+  }
+  return an_object;
+}
+#+END_SRC
+
+*** heading or paragraph                                :heading:paragraph:
+**** heading found                                               :heading:
+
+#+name: abs_functions_heading
+#+BEGIN_SRC d
+string[string] flow_heading_found_()(
+             char[]                line,
+             string[string]        heading_match_str,
+             string[]              _make_unmarked_headings,
+  return ref Regex!(char)[string]  heading_match_rgx,
+  return ref int[string]           obj_type_status
+) {
+  static auto rgx = Rgx();
+  if ((_make_unmarked_headings.length > 2)
+  && (obj_type_status["make_headings"] == State.off)) {                        /+ headings found +/
+    debug(headingsfound) {
+      writeln(_make_unmarked_headings);
+    }
+    debug(headingsfound) {
+      writeln(_make_unmarked_headings.length);
+      writeln(_make_unmarked_headings);
+    }
+    switch (_make_unmarked_headings.length) {
+    case 7 :
+      if (!empty(_make_unmarked_headings[6])) {
+        heading_match_str["h_4"]
+          = "^(" ~ _make_unmarked_headings[6].to!string ~ ")";
+        heading_match_rgx["h_4"]
+          = regex(heading_match_str["h_4"]);
+      }
+      goto case;
+    case 6 :
+      if (!empty(_make_unmarked_headings[5])) {
+        heading_match_str["h_3"]
+          = "^(" ~ _make_unmarked_headings[5].to!string ~ ")";
+        heading_match_rgx["h_3"]
+          = regex(heading_match_str["h_3"]);
+      }
+      goto case;
+    case 5 :
+      if (!empty(_make_unmarked_headings[4])) {
+        heading_match_str["h_2"]
+          = "^(" ~ _make_unmarked_headings[4].to!string ~ ")";
+        heading_match_rgx["h_2"]
+          = regex(heading_match_str["h_2"]);
+      }
+      goto case;
+    case 4 :
+      if (!empty(_make_unmarked_headings[3])) {
+        heading_match_str["h_1"]
+          = "^(" ~ _make_unmarked_headings[3].to!string ~ ")";
+        heading_match_rgx["h_1"]
+          = regex(heading_match_str["h_1"]);
+      }
+      goto case;
+    case 3 :
+      if (!empty(_make_unmarked_headings[2])) {
+        heading_match_str["h_D"]
+          = "^(" ~ _make_unmarked_headings[2].to!string ~ ")";
+        heading_match_rgx["h_D"]
+          = regex(heading_match_str["h_D"]);
+      }
+      goto case;
+    case 2 :
+      if (!empty(_make_unmarked_headings[1])) {
+        heading_match_str["h_C"]
+          = "^(" ~ _make_unmarked_headings[1].to!string ~ ")";
+        heading_match_rgx["h_C"]
+          = regex(heading_match_str["h_C"]);
+      }
+      goto case;
+    case 1 :
+      if (!empty(_make_unmarked_headings[0])) {
+        heading_match_str["h_B"]
+          = "^(" ~ _make_unmarked_headings[0].to!string ~ ")";
+        heading_match_rgx["h_B"]
+          = regex(heading_match_str["h_B"]);
+      }
+      break;
+    default:
+      break;
+    }
+    obj_type_status["make_headings"] = State.on;
+  }
+  return heading_match_str;
+}
+#+END_SRC
+
+**** heading make set                                            :heading:
+
+#+name: abs_functions_heading
+#+BEGIN_SRC d
+char[] flow_heading_make_set_()(
+             char[]                line,
+             int[string]           line_occur,
+  return ref Regex!(char)[string]  heading_match_rgx,
+  return ref int[string]           obj_type_status
+) {
+  if ((obj_type_status["make_headings"] == State.on)
+  && ((line_occur["para"] == State.off)
+  && (line_occur["heading"] == State.off))
+  && ((obj_type_status["para"] == State.off)
+  && (obj_type_status["heading"] == State.off))) {                             /+ heading make set +/
+    if (line.matchFirst(heading_match_rgx["h_B"])) {
+      line = "B~ " ~ line;
+      debug(headingsfound) {
+        writeln(line);
+      }
+    }
+    if (line.matchFirst(heading_match_rgx["h_C"])) {
+      line = "C~ " ~ line;
+      debug(headingsfound) {
+        writeln(line);
+      }
+    }
+    if (line.matchFirst(heading_match_rgx["h_D"])) {
+      line = "D~ " ~ line;
+      debug(headingsfound) {
+        writeln(line);
+      }
+    }
+    if (line.matchFirst(heading_match_rgx["h_1"])) {
+      line = "1~ " ~ line;
+      debug(headingsfound) {
+        writeln(line);
+      }
+    }
+    if (line.matchFirst(heading_match_rgx["h_2"])) {
+      line = "2~ " ~ line;
+      debug(headingsfound) {
+        writeln(line);
+      }
+    }
+    if (line.matchFirst(heading_match_rgx["h_3"])) {
+      line = "3~ " ~ line;
+      debug(headingsfound) {
+        writeln(line);
+      }
+    }
+    if (line.matchFirst(heading_match_rgx["h_4"])) {
+      line = "4~ " ~ line;
+      debug(headingsfound) {
+        writeln(line);
+      }
+    }
+  }
+  return line;
+}
+#+END_SRC
+
+**** heading match                                               :heading:
+
+#+name: abs_functions_heading
+#+BEGIN_SRC d
+string[string] flow_heading_matched_(CMM)(
+             char[]          line,
+             string[string]  an_object,
+  return ref int[string]     line_occur,
+  return ref string          an_object_key,
+  return ref int[string]     lv,
+  return ref int[string]     collapsed_lev,
+  return ref int[string]     obj_type_status,
+  return ref CMM             conf_make_meta,
+) {
+  static auto rgx = Rgx();
+  if (auto m = line.match(rgx.heading)) {                                      /+ heading match +/
+    ++line_occur["heading"];
+    obj_type_status["heading"]            = State.on;
+    obj_type_status["para"]               = State.off;
+    if (line.match(rgx.heading_seg_and_above)) {
+      obj_type_status["glossary_section"] = State.off;
+      obj_type_status["biblio_section"]   = State.off;
+      obj_type_status["blurb_section"]    = State.off;
+    }
+    an_object[an_object_key] ~= line ~= "\n";
+    an_object["lev"] ~= m.captures[1];
+    assertions_doc_structure(an_object, lv); // includes most of the logic for collapsed levels
+    switch (an_object["lev"]) {
+    case "A":                                // Title set
+      if (an_object[an_object_key].match(rgx.variable_doc_title)
+      && an_object[an_object_key].match(rgx.variable_doc_author)) {
+        an_object[an_object_key] = an_object[an_object_key]
+          .replaceFirst(rgx.variable_doc_title,
+            (conf_make_meta.meta.title_full ~ ", "))
+          .replaceFirst(rgx.variable_doc_author,
+            conf_make_meta.meta.creator_author);
+      } else if (an_object[an_object_key].match(rgx.variable_doc_title)) {
+        an_object[an_object_key] = an_object[an_object_key]
+          .replaceFirst(rgx.variable_doc_title,
+            conf_make_meta.meta.title_full);
+      }
+      collapsed_lev["h0"] = 0;
+      an_object["lev_collapsed_number"]
+        = collapsed_lev["h0"].to!string;
+      lv["lv"] = DocStructMarkupHeading.h_sect_A;
+      ++lv["h0"];
+      lv["h1"] = State.off;
+      lv["h2"] = State.off;
+      lv["h3"] = State.off;
+      lv["h4"] = State.off;
+      lv["h5"] = State.off;
+      lv["h6"] = State.off;
+      lv["h7"] = State.off;
+      goto default;
+    case "B":
+      collapsed_lev["h1"] = collapsed_lev["h0"] + 1;
+      an_object["lev_collapsed_number"]
+        = collapsed_lev["h1"].to!string;
+      lv["lv"] = DocStructMarkupHeading.h_sect_B;
+      ++lv["h1"];
+      lv["h2"] = State.off;
+      lv["h3"] = State.off;
+      lv["h4"] = State.off;
+      lv["h5"] = State.off;
+      lv["h6"] = State.off;
+      lv["h7"] = State.off;
+      goto default;
+    case "C":
+      collapsed_lev["h2"] = collapsed_lev["h1"] + 1;
+      an_object["lev_collapsed_number"]
+        = collapsed_lev["h2"].to!string;
+      lv["lv"] = DocStructMarkupHeading.h_sect_C;
+      ++lv["h2"];
+      lv["h3"] = State.off;
+      lv["h4"] = State.off;
+      lv["h5"] = State.off;
+      lv["h6"] = State.off;
+      lv["h7"] = State.off;
+      goto default;
+    case "D":
+      collapsed_lev["h3"] = collapsed_lev["h2"] + 1;
+      an_object["lev_collapsed_number"]
+        = collapsed_lev["h3"].to!string;
+      lv["lv"] = DocStructMarkupHeading.h_sect_D;
+      ++lv["h3"];
+      lv["h4"] = State.off;
+      lv["h5"] = State.off;
+      lv["h6"] = State.off;
+      lv["h7"] = State.off;
+      goto default;
+    case "1":
+      if (lv["h3"] > State.off) {
+        collapsed_lev["h4"] = collapsed_lev["h3"] + 1;
+      } else if (lv["h2"] > State.off) {
+        collapsed_lev["h4"] = collapsed_lev["h2"] + 1;
+      } else if (lv["h1"] > State.off) {
+        collapsed_lev["h4"] = collapsed_lev["h1"] + 1;
+      } else if (lv["h0"] > State.off) {
+        collapsed_lev["h4"] = collapsed_lev["h0"] + 1;
+      }
+      an_object["lev_collapsed_number"]
+        = collapsed_lev["h4"].to!string;
+      lv["lv"] = DocStructMarkupHeading.h_text_1;
+      ++lv["h4"];
+      lv["h5"] = State.off;
+      lv["h6"] = State.off;
+      lv["h7"] = State.off;
+      goto default;
+    case "2":
+      if (lv["h5"] > State.off) {
+        an_object["lev_collapsed_number"]
+          = collapsed_lev["h5"].to!string;
+      } else if (lv["h4"] > State.off) {
+        collapsed_lev["h5"] = collapsed_lev["h4"] + 1;
+        an_object["lev_collapsed_number"]
+          = collapsed_lev["h5"].to!string;
+      }
+      lv["lv"] = DocStructMarkupHeading.h_text_2;
+      ++lv["h5"];
+      lv["h6"] = State.off;
+      lv["h7"] = State.off;
+      goto default;
+    case "3":
+      if (lv["h6"] > State.off) {
+        an_object["lev_collapsed_number"]
+          = collapsed_lev["h6"].to!string;
+      } else if (lv["h5"] > State.off) {
+        collapsed_lev["h6"] = collapsed_lev["h5"] + 1;
+        an_object["lev_collapsed_number"]
+          = collapsed_lev["h6"].to!string;
+      }
+      lv["lv"] = DocStructMarkupHeading.h_text_3;
+      ++lv["h6"];
+      lv["h7"] = State.off;
+      goto default;
+    case "4":
+      if (lv["h7"] > State.off) {
+        an_object["lev_collapsed_number"]
+          = collapsed_lev["h7"].to!string;
+      } else if (lv["h6"] > State.off) {
+        collapsed_lev["h7"] = collapsed_lev["h6"] + 1;
+        an_object["lev_collapsed_number"]
+          = collapsed_lev["h7"].to!string;
+      }
+      lv["lv"] = DocStructMarkupHeading.h_text_4;
+      ++lv["h7"];
+      goto default;
+    default:
+      an_object["lev_markup_number"] = lv["lv"].to!string;
+    }
+    an_object["dummy_heading_status"] = (obj_type_status["dummy_heading_status"] == State.off) ? "f" : "t";
+    debug(heading) {
+      writeln(line.strip);
+    }
+  }
+  return an_object;
+}
+#+END_SRC
+
+**** para match                                                     :para:
+
+#+name: abs_functions_para
+#+BEGIN_SRC d
+string[string] flow_para_match_()(
+             char[]         line,
+             string[string]  an_object,
+  return ref string          an_object_key,
+  return ref int[string]     indent,
+  return ref bool            bullet,
+  return ref int[string]     obj_type_status,
+  return ref int[string]     line_occur,
+) {
+  static auto rgx = Rgx();
+  if (line_occur["para"] == State.off) {
+    line = font_faces_line(line);
+    /+ para matches +/
+    obj_type_status["para"] = State.on;
+    an_object[an_object_key] ~= line;
+    indent=[
+      "hang_position" : 0,
+      "base_position" : 0,
+    ];
+    bullet = false;
+    if (auto m = line.matchFirst(rgx.para_indent)) {
+      debug(paraindent) {
+        writeln(line);
+      }
+      indent["hang_position"] = (m["indent"]).to!int;
+      indent["base_position"] = (m["indent"]).to!int;
+    } else if (line.matchFirst(rgx.para_bullet)) {
+      debug(parabullet) {
+        writeln(line);
+      }
+      bullet = true;
+    } else if (auto m = line.matchFirst(rgx.para_indent_hang)) {
+      debug(paraindenthang) {
+        writeln(line);
+      }
+      indent = [
+        "hang_position" : (m["hang"]).to!int,
+        "base_position" : (m["indent"]).to!int,
+      ];
+    } else if (auto m = line.matchFirst(rgx.para_bullet_indent)) {
+      debug(parabulletindent) {
+        writeln(line);
+      }
+      indent = [
+        "hang_position" : (m["indent"]).to!int,
+        "base_position" : (m["indent"]).to!int,
+      ];
+      bullet = true;
+    }
+    ++line_occur["para"];
+  }
+  return an_object;
+}
+#+END_SRC
+
+**** text font face
+
+#+name: abs_functions_para
+#+BEGIN_SRC d
+char[] font_faces_line()(
+  char[]  textline,
+) {
+  static auto rgx = Rgx();
+  static auto mkup = InlineMarkup();
+  if (textline.match(rgx.inline_faces_line)) {
+    textline = textline
+      .replaceFirst(rgx.inline_emphasis_line,   format(q"┃%s%s%s%s%s%s┃", mkup.emph,       mkup.ff_o, "$1", mkup.ff_c, mkup.emph, "$2"))
+      .replaceFirst(rgx.inline_bold_line,       format(q"┃%s%s%s%s%s%s┃", mkup.bold,       mkup.ff_o, "$1", mkup.ff_c, mkup.bold, "$2"))
+      .replaceFirst(rgx.inline_underscore_line, format(q"┃%s%s%s%s%s%s┃", mkup.underscore, mkup.ff_o, "$1", mkup.ff_c, mkup.underscore, "$2"))
+      .replaceFirst(rgx.inline_italics_line,    format(q"┃%s%s%s%s%s%s┃", mkup.italic,     mkup.ff_o, "$1", mkup.ff_c, mkup.italic, "$2"));
+  }
+  return textline;
+}
+#+END_SRC
+
+**** tables
+
+- number of columns
+- column widths (either as given or uniform, first often different from rest)
+- column aligns (as given else default left for text, check whether can default right for digits)
+- table heading (auto align left)
+- table walls
+- TODO need to be able to align columns left or right (digits)
+
+***** table instructions
+
+#+name: abs_functions_table
+#+BEGIN_SRC d
+ObjGenericComposite flow_table_instructions(H)(
+  return ref ObjGenericComposite  table_object,
+             H                    table_head,
+) {
+  static auto rgx = Rgx();
+  table_object.metainfo.is_of_part      = "body";
+  table_object.metainfo.is_of_section   = "body";
+  table_object.metainfo.is_of_type      = "block";
+  table_object.metainfo.is_a            = "table";
+  table_object.has.inline_notes_reg     = false;
+  table_object.has.inline_notes_star    = false;
+  table_object.has.inline_links         = false;
+  if (auto m = table_head.matchFirst(rgx.table_head_instructions)) {
+    table_object.table.heading
+      = ((m["c_heading"].length > 0) && (m["c_heading"] == "h")) ? true : false;
+    table_object.table.number_of_columns
+      = ((m["c_num"].length > 0) && (m["c_num"].to!int > 0)) ? m["c_num"].to!int : 0;
+    foreach (cw; m["c_widths"].matchAll(rgx.table_col_widths)) {
+      auto x = cw.hit.matchFirst(rgx.table_col_widths_and_alignment);
+      table_object.table.column_widths ~= x["width"].to!int;
+      table_object.table.column_aligns ~= (x["align"].empty) ? "" : x["align"];
+    }
+  }
+  return table_object;
+}
+#+END_SRC
+
+***** table array munge
+
+#+name: abs_functions_table
+#+BEGIN_SRC d
+ObjGenericComposite flow_table_array_munge(T)(
+  return ref ObjGenericComposite  table_object,
+  return ref T                    table_array,
+) {
+  static auto rgx = Rgx();
+  static auto mng = InlineMarkup();
+  string _table_substantive;
+  ulong col_num;
+  ulong col_num_;
+  ulong col_num_chk = 0;
+  foreach(idx_r, row; table_array) {
+    debug(table_dev) {
+      writeln("row ", idx_r);
+    }
+    col_num_ = 0;
+    if (col_num == 0
+    || col_num < row.length) {
+      col_num = row.length;
+    }
+    if (col_num_chk == 0) {
+      col_num_chk = col_num;
+    } else if (col_num == 1) {
+      debug(table_dev) {
+        writeln("table note: ");
+      }
+    } else if (col_num_chk != col_num) {
+      debug(table_dev) {
+        writeln("warning irregular number of columns: ", col_num_chk, " != ", col_num);
+      }
+    } else {
+    }
+    foreach(idx_c, col; row) {
+      debug(table_dev) {
+        write(idx_c, ", ");
+      }
+      col_num_ = idx_c;
+      _table_substantive ~= col ~ mng.tc_s;
+      if (idx_r == 0 && comp_obj_block.table.heading) {
+      } else if (col.match(rgx.numeric_col) && idx_r == 1) { // conditions reversed to avoid: gdc compiled program run segfault
+        if ((comp_obj_block.table.column_aligns.length > idx_c)
+        && (comp_obj_block.table.column_aligns[idx_c].matchFirst(rgx.table_col_align_match))) {
+          comp_obj_block.table.column_aligns[idx_c]
+            = comp_obj_block.table.column_aligns[idx_c];
+        } else if (comp_obj_block.table.column_aligns.length > idx_c) {
+          comp_obj_block.table.column_aligns[idx_c] = "r";
+        } else {
+          comp_obj_block.table.column_aligns ~= "r";
+        }
+      } else if (idx_r == 1) {
+        if ((comp_obj_block.table.column_aligns.length > idx_c)
+        && (comp_obj_block.table.column_aligns[idx_c].matchFirst(rgx.table_col_align_match))) {
+          comp_obj_block.table.column_aligns[idx_c]
+            = comp_obj_block.table.column_aligns[idx_c];
+        } else if (comp_obj_block.table.column_aligns.length > idx_c) {
+          comp_obj_block.table.column_aligns[idx_c] = "l";
+        } else {
+          comp_obj_block.table.column_aligns ~= "l";
+        }
+      }
+    }
+    debug(table_dev) {
+      writeln("");
+    }
+    if (col_num_chk > 0 && (col_num != col_num_chk)) {
+    } else if (col_num == col_num_chk){
+    } else {
+      col_num_chk = col_num;
+    }
+    _table_substantive = _table_substantive.replaceFirst(rgx.table_col_separator_nl, "\n");
+  }
+  if (comp_obj_block.table.number_of_columns != col_num) {
+    if (comp_obj_block.table.number_of_columns == 0) {
+      comp_obj_block.table.number_of_columns = (col_num).to!int;
+    } else {
+      debug(table_dev) {
+        writeln(comp_obj_block.table.number_of_columns, " != ", col_num);
+      }
+    }
+  }
+  if (table_object.table.number_of_columns == 0
+  && table_object.table.column_widths.length > 0) {
+    writeln(__LINE__, " ERROR");
+  }
+  if (table_object.table.number_of_columns > 0
+  && table_object.table.column_widths.length == 0) {
+    double col_w = (100.00 / table_object.table.number_of_columns);
+    foreach (i; 0..table_object.table.number_of_columns) {
+      table_object.table.column_widths ~= col_w;
+    }
+  } else if (table_object.table.number_of_columns
+  != table_object.table.column_widths.length) {
+    debug(table_dev) {
+      writeln(m.hit); // further logic required
+    }
+    if (table_object.table.number_of_columns > table_object.table.column_widths.length) {
+      double col_w = (100.00 - (table_object.table.column_widths).sum)
+        / (table_object.table.number_of_columns - table_object.table.column_widths.length);
+      foreach (i; 0..table_object.table.column_widths.length) {
+        table_object.table.column_widths ~= col_w;
+      }
+      foreach (i; 0..(table_object.table.number_of_columns - table_object.table.column_widths.length)) {
+        table_object.table.column_widths ~= col_w;
+      }
+    } else if (table_object.table.number_of_columns < table_object.table.column_widths.length) {
+      writeln(__LINE__, " warning, ERROR");
+    }
+  }
+  if (table_object.table.column_widths.sum > 101
+  || table_object.table.column_widths.sum < 95 ) {
+    writeln("sum: ", table_object.table.column_widths.sum,
+      ", array: ", table_object.table.column_widths,
+      ", cols: ", table_object.table.number_of_columns);
+    writeln(_table_substantive);
+  }
+  debug(table_res) {
+    writeln("aligns: ", comp_obj_block.table.column_aligns, "\n",
+      "no. of columns: ", comp_obj_block.table.number_of_columns, "\n",
+      "col widths: ", comp_obj_block.table.column_widths,
+        " sum: ", comp_obj_block.table.column_widths.sum, "\n",
+      _table_substantive);
+  }
+  comp_obj_block.text = _table_substantive;
+  return table_object;
+}
+#+END_SRC
+
+***** table substantive munge
+
+#+name: abs_functions_table
+#+BEGIN_SRC d
+ObjGenericComposite flow_table_substantive_munge(T)(
+  return ref ObjGenericComposite  table_object,
+  return ref T                    table_substantive,
+) {
+  static auto rgx = Rgx();
+  static auto munge = ObjInlineMarkupMunge();
+  string[] _table_rows = (table_substantive).split(rgx.table_row_delimiter);
+  string[] _table_cols;
+  string[][] _table;
+  foreach(col; _table_rows) {
+    _table_cols = col.split(rgx.table_col_delimiter);
+    _table ~= _table_cols;
+  }
+  table_object = table_object.flow_table_array_munge(_table);
+  return table_object;
+}
+#+END_SRC
+
+***** table substantive munge special
+
+#+name: abs_functions_table
+#+BEGIN_SRC d
+ObjGenericComposite flow_table_substantive_munge_special(T)(
+  return ref ObjGenericComposite  table_object,
+  return ref T                    table_substantive,
+) {
+  static auto rgx = Rgx();
+  static auto munge = ObjInlineMarkupMunge();
+  string[] _table_rows = (table_substantive).split(rgx.table_row_delimiter_special);
+  string[] _table_cols;
+  string[][] _table;
+  foreach(col; _table_rows) {
+    _table_cols = col.split(rgx.table_col_delimiter_special);
+    _table ~= _table_cols;
+  }
+  table_object = table_object.flow_table_array_munge(_table);
+  return table_object;
+}
+#+END_SRC
+
+*** function emitters                                            :emitters:
+**** object                                                       :object:
+***** ocn                                                           :ocn:
+
+#+name: meta_emitters_ocn
+#+BEGIN_SRC d
+pure struct OCNemitter {
+  int ocn_digit, ocn_object_number, ocn_on_, ocn_off_, ocn_bkidx, ocn_bkidx_;
+  string object_identifier;
+  bool ocn_is_off;
+  auto ocn_emitter(int ocn_status_flag) {
+    OCNset ocn;
+    assert(ocn_status_flag <= OCNstatus.reset);
+    ocn_object_number = ocn_bkidx = 0;
+    object_identifier = "";
+    ocn_is_off = false;
+    switch(ocn_status_flag) with (OCNstatus) {
+    case reset:
+      ocn_digit = ocn_on_ = 1;
+      object_identifier = "1";
+      ocn_is_off = false;
+      ocn_off_ = ocn_bkidx_ = 0;
+      break;
+    case on:
+      ocn_digit = ocn_object_number = ++ocn_on_;
+      object_identifier = ocn_digit.to!string;
+      ocn_is_off = false;
+      break;
+    case off:
+      ocn_digit = 0;
+      ocn_off_ = ++ocn_off_;
+      object_identifier = "a" ~ ocn_off_.to!string;
+      ocn_is_off = true;
+      break;
+    case bkidx:
+      ocn_bkidx = ++ocn_bkidx_;
+      break;
+    case closing:
+      break;
+    default:
+      ocn_digit = 0;
+    }
+    assert(ocn_digit >= 0);
+    ocn.digit         = ocn_digit;
+    ocn.object_number = ocn_object_number; // difference between .object_number and .digit?
+    ocn.identifier    = object_identifier;
+    ocn.off           = ocn_is_off;
+    ocn.bkidx         = ocn_bkidx;
+    ocn.type          = ocn_status_flag;
+    return ocn;
+  }
+  invariant() {
+  }
+}
+#+END_SRC
+
+***** object inline markup munge                          :markup:inline:
+
+****** { struct, inline markup munge
+
+#+name: meta_emitters_obj_inline_markup_munge
+#+BEGIN_SRC d
+static struct ObjInlineMarkupMunge {
+  string[string] obj_txt;
+  int n_foot, n_foot_reg, n_foot_sp_asterisk, n_foot_sp_plus;
+  string asterisks_, plus_;
+  string obj_txt_out, tail, note;
+  static auto rgx = Rgx();
+  static auto mkup = InlineMarkup();
+  int stage_reset_note_numbers = true;
+  private auto initialize_note_numbers() {
+    n_foot = 0;
+    n_foot_reg = 0;
+    n_foot_sp_asterisk = 0;
+    n_foot_sp_plus = 0;
+  }
+#+END_SRC
+
+#+name: meta_emitters_obj_inline_markup_munge
+#+BEGIN_SRC d
+  static auto images()(string obj_txt_in) {
+    static auto mng = InlineMarkup();
+    /+ url matched +/
+    obj_txt_in = obj_txt_in.replaceAll(rgx.inline_notes_al_special, ""); // TODO reinstate when special footnotes are implemented
+    if (obj_txt_in.match(rgx.smid_image_generic)) {                            /+ images with and without links +/
+      debug(images) {
+        writeln("Image: ", obj_txt_in);
+      }
+      if (obj_txt_in.match(rgx.smid_image_with_dimensions)) {
+        obj_txt_in = obj_txt_in
+          .replaceAll(rgx.smid_image_with_dimensions, ("$1" ~ mkup.img ~ "$2,w$3h$4 " ~ "$5"))
+          .replaceAll(rgx.smid_image_delimit, ("$1"
+            ~ mkup.lnk_o ~ "$2".strip ~ mkup.lnk_c
+            ~ mkup.url_o ~ mkup.url_c));
+        debug(images) {
+          writeln("IMAGE with size: ", obj_txt_in);
+        }
+      } else if (obj_txt_in.match(rgx.smid_image)) {
+        obj_txt_in = obj_txt_in
+          .replaceAll(rgx.smid_image, ("$1" ~ mkup.img ~ "$2,w0h0" ~ "$3"))
+          .replaceAll(rgx.smid_image_delimit, ("$1"
+            ~ mkup.lnk_o ~ "$2".strip ~ mkup.lnk_c
+            ~ mkup.url_o ~ mkup.url_c));
+        debug(images) {
+          writeln("IMAGE: ", obj_txt_in); // decide on representation
+        }
+      }
+    }
+    return obj_txt_in;
+  }
+#+END_SRC
+
+******* footnotes endnotes markup
+
+#+name: meta_emitters_obj_inline_markup_munge
+#+BEGIN_SRC d
+  auto footnotes_endnotes_markup_and_number_or_stars()(string obj_txt_in, bool reset_note_numbers) {
+    /+ endnotes (regular) +/
+    bool flg_notes_reg  = false;
+    bool flg_notes_star = false;
+    bool flg_notes_plus = false;
+    obj_txt_in = obj_txt_in.replaceAll(
+      rgx.inline_notes_curly,
+      (mkup.en_a_o ~ " $1" ~ mkup.en_a_c)
+    );
+    if (!(stage_reset_note_numbers) && reset_note_numbers) {
+      stage_reset_note_numbers = true;
+    }
+    if (obj_txt_in.match(rgx.inline_notes_al_gen)) {
+      if (auto m = obj_txt_in.matchAll(rgx.inline_text_and_note_al_)) {
+        if (stage_reset_note_numbers) {
+          n_foot = 0;
+          n_foot_reg = 0;
+          n_foot_sp_asterisk = 0;
+          n_foot_sp_plus = 0;
+        }
+        stage_reset_note_numbers = false;
+        foreach(n; m) {
+          if (n.hit.to!string.match(rgx.inline_al_delimiter_open_symbol_star)) {
+            flg_notes_star =  true;
+            ++n_foot_sp_asterisk;
+            asterisks_ = "*";
+            n_foot=n_foot_sp_asterisk;
+            obj_txt_out ~= n.hit.to!string.replaceFirst(
+              rgx.inline_al_delimiter_open_symbol_star,
+              (mkup.en_a_o ~ replicate(asterisks_, n_foot_sp_asterisk) ~ " ")
+            ) ~ "\n";
+          } else if (n.hit.to!string.match(rgx.inline_al_delimiter_open_symbol_plus)) {
+            flg_notes_plus =  true;
+            ++n_foot_sp_plus;
+            plus_ = "*";
+            n_foot=n_foot_sp_plus;
+            obj_txt_out ~= n.hit.to!string.replaceFirst(
+              rgx.inline_al_delimiter_open_symbol_plus,
+              (mkup.en_a_o ~ replicate(plus_, n_foot_sp_plus) ~ " ")
+            ) ~ "\n";
+          } else if (n.hit.to!string.match(rgx.inline_al_delimiter_open_regular)) {
+            flg_notes_reg =  true;
+            ++n_foot_reg;
+            n_foot=n_foot_reg;
+            obj_txt_out ~= n.hit.to!string.replaceFirst(
+              rgx.inline_al_delimiter_open_regular,
+              (mkup.en_a_o ~ n_foot.to!string ~ " ")
+            ) ~ "\n";
+          } else {
+            obj_txt_out ~= n.hit.to!string ~ "\n";
+          }
+        }
+      }
+    } else {
+      obj_txt_out = obj_txt_in;
+    }
+    auto t = tuple(
+      obj_txt_out,
+      flg_notes_reg,
+      flg_notes_star,
+      flg_notes_plus,
+    );
+    return t;
+  }
+#+END_SRC
+
+******* object notes and links
+
+#+name: meta_emitters_obj_inline_markup_munge
+#+BEGIN_SRC d
+  private auto object_notes_and_links_()(
+    string obj_txt_in,
+    bool reset_note_numbers=false
+  ) {
+    obj_txt_out = "";
+    bool urls = false;
+    bool images_without_dimensions = false;
+    tail = "";
+    /+ special endnotes +/
+    obj_txt_in = obj_txt_in.replaceAll(
+      rgx.inline_notes_curly_sp_asterisk,
+      (mkup.en_a_o ~ "*" ~ " $1" ~ mkup.en_a_c)
+    );
+    obj_txt_in
+      = obj_txt_in.replaceAll(
+        rgx.inline_notes_curly_sp_plus,
+        (mkup.en_a_o ~ "+" ~ " $1" ~ mkup.en_a_c)
+      );
+    /+ image matched +/
+    if (obj_txt_in.match(rgx.smid_image_generic)) {
+      obj_txt_in = images(obj_txt_in);
+      if (obj_txt_in.match(rgx.smid_mod_image_without_dimensions)) {
+        images_without_dimensions = true;
+      }
+    }
+    /+ url matched +/
+    if (obj_txt_in.match(rgx.smid_inline_url)) {
+      urls = true;
+      obj_txt_in = obj_txt_in.links_and_images;
+    }
+    if (auto m = obj_txt_in.match(rgx.para_inline_link_anchor)) {
+      obj_txt_in = obj_txt_in
+        .replaceAll(rgx.para_inline_link_anchor, "┃$1┃");
+    }
+    auto ftn = footnotes_endnotes_markup_and_number_or_stars(obj_txt_in, reset_note_numbers);
+    obj_txt_out = ftn[0];
+    debug(footnotes) {
+      writeln(obj_txt_out, tail);
+    }
+    obj_txt_out = obj_txt_out ~ tail;
+    debug(footnotesdone) {
+      foreach(m; matchAll(obj_txt_out,
+      (mkup.en_a_o ~ `\s*(.+?)` ~ mkup.en_a_c))) {
+        writeln(m[1]);
+        writeln(m.hit);
+      }
+    }
+    auto t = tuple(
+      obj_txt_out,
+      ftn[1],
+      ftn[2],
+      ftn[3],
+      urls,
+      images_without_dimensions,
+    );
+    return t;
+  }
+  auto init() {
+    auto t = object_notes_and_links_("");
+    return t;
+  }
+  invariant() {
+  }
+#+END_SRC
+
+******* heading
+- identified text by heading level marker followed by text until two new lines
+- general markup
+
+#+name: meta_emitters_obj_inline_markup_munge
+#+BEGIN_SRC d
+  auto munge_heading()(
+    string obj_txt_in,
+    bool reset_note_numbers=false
+  ) {
+    obj_txt["munge"] = obj_txt_in
+     .replaceFirst(rgx.heading, "")
+     .replaceFirst(rgx.object_number_off_all, "")
+     .strip;
+    auto t = object_notes_and_links_(obj_txt["munge"], reset_note_numbers);
+    debug(munge) {
+      writeln(__LINE__);
+      writeln(obj_txt_in);
+      writeln(__LINE__);
+      writeln(obj_txt["munge"].to!string);
+    }
+    return t;
+  }
+  invariant() {
+  }
+#+END_SRC
+
+******* para
+- paragraph text without other identification until two new lines
+- general markup
+  - paragraph attributes
+  - font faces (bold, italics, underscore etc.)
+  - footnotes/endnotes
+  - links
+
+#+name: meta_emitters_obj_inline_markup_munge
+#+BEGIN_SRC d
+  auto munge_para()(string obj_txt_in) {
+    obj_txt["munge"]=(obj_txt_in)
+      .replaceFirst(rgx.para_attribs, "")
+      .replaceFirst(rgx.object_number_off_all, "");
+    auto t = object_notes_and_links_(obj_txt["munge"]);
+    debug(munge) {
+      writeln(__LINE__);
+      writeln(obj_txt_in);
+      writeln(__LINE__);
+      writeln(obj_txt["munge"].to!string);
+    }
+    return t;
+  }
+#+END_SRC
+
+******* quote
+
+#+name: meta_emitters_obj_inline_markup_munge
+#+BEGIN_SRC d
+  string munge_quote()(string obj_txt_in) {
+    obj_txt["munge"]=obj_txt_in;
+    return obj_txt["munge"];
+  }
+  invariant() {
+  }
+#+END_SRC
+
+******* group
+- group block identified by open an close tags
+- general markup
+  - paragraph attributes
+  - font faces (bold, italics, underscore etc.)
+  - footnotes/endnotes
+  - links
+- newlines detected and kept?
+
+#+name: meta_emitters_obj_inline_markup_munge
+#+BEGIN_SRC d
+  auto munge_group(string obj_txt_in) {
+    obj_txt["munge"]=obj_txt_in;
+    auto t = object_notes_and_links_(obj_txt["munge"]);
+    return t;
+  }
+  invariant() {
+  }
+#+END_SRC
+
+******* block
+- group block identified by open an close tags
+- general markup
+  - paragraph attributes
+  - font faces (bold, italics, underscore etc.)
+  - footnotes/endnotes
+  - links
+- newlines detected and kept?
+
+#+name: meta_emitters_obj_inline_markup_munge
+#+BEGIN_SRC d
+  auto munge_block()(string obj_txt_in) {
+    obj_txt["munge"]=obj_txt_in;
+    auto t = object_notes_and_links_(obj_txt["munge"]);
+    return t;
+  }
+  invariant() {
+  }
+#+END_SRC
+
+******* verse (poem)
+- sub part of poem block which is identified by open an close tags, separated from other verse by double newline
+- newlines
+- indentation
+- what part of general markup?
+  - font faces (bold, italics, underscore etc.)
+  - footnotes/endnotes
+  - links?
+
+#+name: meta_emitters_obj_inline_markup_munge
+#+BEGIN_SRC d
+  auto munge_verse()(string obj_txt_in) {
+    obj_txt["munge"]=obj_txt_in;
+    auto t = object_notes_and_links_(obj_txt["munge"]);
+    return t;
+  }
+  invariant() {
+  }
+#+END_SRC
+
+******* code
+- newlines
+- indentation
+- possibly identify syntax for coloring (obj attribute)
+- numbered code blocks (markup/obj attribute?)
+- no general markup
+- one special character represented by mkup.nbsp ░
+
+#+name: meta_emitters_obj_inline_markup_munge
+#+BEGIN_SRC d
+  string munge_code()(string obj_txt_in) {
+    obj_txt_in = obj_txt_in.replaceAll(rgx.space, mkup.nbsp);
+    obj_txt["munge"] = obj_txt_in;
+    return obj_txt["munge"];
+  }
+  invariant() {
+  }
+#+END_SRC
+
+******* table
+- table block identified by open an close tags
+- table markup
+
+#+name: meta_emitters_obj_inline_markup_munge
+#+BEGIN_SRC d
+  string munge_table()(string obj_txt_in) {
+    obj_txt["munge"]=obj_txt_in;
+    return obj_txt["munge"];
+  }
+  invariant() {
+  }
+#+END_SRC
+
+******* comment
+
+#+name: meta_emitters_obj_inline_markup_munge
+#+BEGIN_SRC d
+  string munge_comment()(string obj_txt_in) {
+    obj_txt["munge"]=obj_txt_in;
+    return obj_txt["munge"];
+  }
+  invariant() {
+  }
+#+END_SRC
+
+****** }
+
+#+name: meta_emitters_obj_inline_markup_munge
+#+BEGIN_SRC d
+}
+#+END_SRC
+
+***** toc, tags, object inline markup                     :markup:inline:
+****** {
+
+#+name: meta_emitters_obj_inline_markup
+#+BEGIN_SRC d
+static struct ObjInlineMarkup {
+  static auto rgx = Rgx();
+  static auto munge = ObjInlineMarkupMunge();
+  string[string] obj_txt;
+  static string anchor_tag = "";
+#+END_SRC
+
+******* object inline markup and anchor tags              :markup:inline:
+
+#+name: meta_emitters_obj_inline_markup_and_anchor_tags_and_misc
+#+BEGIN_SRC d
+  auto obj_inline_markup_and_anchor_tags_and_misc(CMM)(
+    string[string]   obj_,
+    string           obj_key_,
+    CMM              conf_make_meta,
+    Flag!"_new_doc"  _new_doc
+  ) {
+    obj_txt["munge"] = obj_[obj_key_].dup;
+    obj_txt["munge"] = (obj_["is"].match(ctRegex!(`verse|code`)))
+    ? obj_txt["munge"]
+    : obj_txt["munge"].strip;
+    if (_new_doc) {
+      anchor_tag = "";
+    }
+    auto x = munge.init;
+    bool[string] obj_notes_and_links;
+    obj_notes_and_links["notes_reg"]           = false;
+    obj_notes_and_links["notes_star"]          = false;
+    obj_notes_and_links["links"]               = false;
+    obj_notes_and_links["image_no_dimensions"] = false;
+    if ((obj_["is"] == "para")
+      || (obj_["is"] == "heading")
+      || (obj_["is"] == "quote")
+      || (obj_["is"] == "group")
+      || (obj_["is"] == "block")
+      || (obj_["is"] == "verse")) {
+      obj_txt["munge"] = (obj_txt["munge"]).inline_markup_faces;
+      obj_txt["munge"] = (obj_txt["munge"]).links_and_images;
+    }
+    switch (obj_["is"]) {
+    case "heading":
+      if (_new_doc) {
+        anchor_tag = "";
+      }
+      obj_txt["munge"]=_configured_auto_heading_numbering_and_segment_anchor_tags(obj_txt["munge"], obj_, conf_make_meta, _new_doc);
+      obj_txt["munge"]=_make_segment_anchor_tags_if_none_provided(obj_txt["munge"], obj_["lev"], _new_doc);
+      if (auto m = obj_txt["munge"].match(rgx.heading_anchor_tag)) {
+        anchor_tag = m.captures[1];
+      } else if (obj_["lev"] == "1") {
+        writeln("heading anchor tag missing: ", obj_txt["munge"]);
+      }
+      x = munge.munge_heading(obj_txt["munge"], reset_note_numbers);
+      reset_note_numbers=false;
+      goto default;
+    case "para":
+      x = munge.munge_para(obj_txt["munge"]);
+      goto default;
+    case "group":
+      x = munge.munge_group(obj_txt["munge"]);
+      goto default;
+    case "block":
+      x = munge.munge_block(obj_txt["munge"]);
+      goto default;
+    case "verse":
+      x = munge.munge_verse(obj_txt["munge"]);
+      goto default;
+    case "code":
+      obj_txt["munge"] = munge.munge_code(obj_txt["munge"]);
+      break;
+    case "table":
+      obj_txt["munge"] = munge.munge_table(obj_txt["munge"]);
+      break;
+    case "quote":
+      obj_txt["munge"] = munge.munge_quote(obj_txt["munge"]);
+      break;
+    case "comment":
+      obj_txt["munge"] = munge.munge_comment(obj_txt["munge"]);
+      break;
+    case "doc_end_reset":
+      munge.initialize_note_numbers();
+      break;
+    default:
+      /+ para, heading, group, block, verse +/
+      obj_txt["munge"]                  = x[0];
+      obj_notes_and_links["notes_reg"]  = x[1];
+      obj_notes_and_links["notes_star"] = x[2];
+      obj_notes_and_links["notes_plus"] = x[3];
+      obj_notes_and_links["links"]      = x[4];
+      obj_notes_and_links["image_no_dimensions"] = x[5];
+      break;
+    }
+    auto t = tuple(
+      obj_txt["munge"],
+      anchor_tag,
+      obj_notes_and_links["notes_reg"],
+      obj_notes_and_links["notes_star"],
+      obj_notes_and_links["links"],
+      obj_notes_and_links["image_no_dimensions"],
+    );
+    anchor_tag = "";
+    return t;
+  }
+  invariant() {
+  }
+#+END_SRC
+
+******* toc (table of contents), build, gather headings   :markup:inline:
+
+#+name: meta_emitters_obj_inline_markup_table_of_contents
+#+BEGIN_SRC d
+  auto _clean_heading_toc_()(
+    char[] heading_toc_,
+  ) {
+   auto m = (cast(char[]) heading_toc_).matchFirst(rgx.heading);
+   heading_toc_ = (m.post).replaceAll(
+     rgx.inline_notes_curly_gen,
+     "");
+   return heading_toc_;
+  };
+  ObjGenericComposite[] flow_table_of_contents_gather_headings(CMM)(
+               string[string]         obj_,
+               CMM                    conf_make_meta,
+               string[string]         tag_in_seg,
+               string                 _anchor_tag,
+    return ref string[][string]       lev4_subtoc,
+               ObjGenericComposite[]  the_table_of_contents_section,
+  ) {
+    ObjGenericComposite comp_obj_toc;
+    mixin InternalMarkup;
+    static auto mkup = InlineMarkup();
+    char[] heading_toc_ = (obj_["substantive"].dup.strip.to!(char[])).replaceAll(rgx.inline_notes_al, "");
+    heading_toc_ = _clean_heading_toc_(heading_toc_);
+    auto attrib="";
+    string toc_txt_, subtoc_txt_;
+    int[string] indent;
+    if (obj_["lev_markup_number"].to!int > 0) {
+      indent=[
+        "hang_position" : obj_["lev_markup_number"].to!int,
+        "base_position" : obj_["lev_markup_number"].to!int,
+      ];
+      toc_txt_ = format(
+        mkup.lnk_o ~ "%s".strip ~ mkup.lnk_c ~  mkup.url_o ~ "#%s"~  mkup.url_c,
+        heading_toc_,
+        _anchor_tag,
+      );
+      toc_txt_= toc_txt_.links_and_images;
+      comp_obj_toc                             = comp_obj_toc.init;
+      comp_obj_toc.metainfo.is_of_part         = "frontmatter";
+      comp_obj_toc.metainfo.is_of_section      = "toc";
+      comp_obj_toc.metainfo.is_of_type         = "para";
+      comp_obj_toc.metainfo.is_a               = "toc";
+      comp_obj_toc.metainfo.ocn                = 0;
+      comp_obj_toc.metainfo.identifier         = "";
+      comp_obj_toc.metainfo.object_number_off  = true;
+      comp_obj_toc.metainfo.object_number_type = 0;
+      comp_obj_toc.metainfo.dummy_heading      = (an_object["dummy_heading_status"] == "t") ? true: false;
+      comp_obj_toc.attrib.indent_hang          = indent["hang_position"];
+      comp_obj_toc.attrib.indent_base          = indent["base_position"];
+      comp_obj_toc.attrib.bullet               = false;
+      comp_obj_toc.text                        = toc_txt_.to!string.strip;
+      comp_obj_toc.has.inline_links            = true;
+      the_table_of_contents_section            ~= comp_obj_toc;
+    }
+    comp_obj_toc                               = comp_obj_toc.init;
+    comp_obj_toc.metainfo.is_of_part           = "frontmatter";
+    comp_obj_toc.metainfo.is_of_section        = "toc";
+    comp_obj_toc.metainfo.is_of_type           = "para";
+    comp_obj_toc.metainfo.is_a                 = "toc";
+    comp_obj_toc.metainfo.ocn                  = 0;
+    comp_obj_toc.metainfo.identifier           = "";
+    comp_obj_toc.metainfo.object_number_off    = true;
+    comp_obj_toc.metainfo.object_number_type   = 0;
+    comp_obj_toc.metainfo.dummy_heading        = (an_object["dummy_heading_status"] == "t") ? true: false;
+    comp_obj_toc.attrib.bullet                 = false;
+    comp_obj_toc.has.inline_links              = true;
+    switch (obj_["lev_markup_number"].to!int) {
+    case 0: .. case 3:
+      break;
+    case 4:
+      lev4_subtoc[tag_in_seg["seg_lv4"]] = [];
+      break;
+    case 5: .. case 7:
+      subtoc_txt_ = format(
+        mkup.lnk_o ~ "%s".strip ~ mkup.lnk_c ~  mkup.url_o ~ "#%s"~  mkup.url_c,
+        heading_toc_,
+        _anchor_tag,
+      );
+      lev4_subtoc[tag_in_seg["seg_lv4"]]
+      ~= links_and_images(obj_["lev_markup_number"]
+           ~ "~ " ~ subtoc_txt_.to!string.strip
+         );
+      break;
+    default:
+      break;
+    }
+    return the_table_of_contents_section;
+  }
+  invariant() {
+  }
+#+END_SRC
+
+******* private:
+
+#+name: meta_emitters_obj_inline_markup_private
+#+BEGIN_SRC d
+private:
+#+END_SRC
+
+******** make heading number & segment anchor tags if instructed :markup:inline:segment:anchor:tags:
+
+#+name: meta_emitters_obj_inline_markup_heading_numbering_segment_anchor_tags
+#+BEGIN_SRC d
+  static int[] heading_num = [ 0, 0, 0, 0 ];
+  static string heading_number_auto_composite = "";
+  static string heading_number_auto_composite_segname = "";
+  static bool[] auto_heading_numbering = [ true, true, true, true];
+  static string _configured_auto_heading_numbering_and_segment_anchor_tags(CMM)(
+    string           munge_,
+    string[string]   obj_,
+    CMM              conf_make_meta,
+    bool             _new_doc,
+  ) {
+    if (_new_doc) {
+      heading_num = [ 0, 0, 0, 0 ];
+      heading_number_auto_composite = "";
+      auto_heading_numbering = [ true, true, true, true];
+    }
+    if (conf_make_meta.make.auto_num_top_lv) {
+      if (obj_["lev_markup_number"].to!int == 0) {
+        heading_num[0] = 0;
+        heading_num[1] = 0;
+        heading_num[2] = 0;
+        heading_num[3] = 0;
+        heading_number_auto_composite = "";
+      }
+      /+ auto_num_depth minimum 0
+         (1.) default 2 (1.1.1) max 3 (1.1.1.1) implement +/
+      if (
+        conf_make_meta.make.auto_num_top_lv
+        > obj_["lev_markup_number"].to!uint
+      ) {
+        heading_num[1] = 0;
+        heading_num[2] = 0;
+        heading_num[3] = 0;
+      } else if (
+        conf_make_meta.make.auto_num_top_lv
+          == obj_["lev_markup_number"].to!uint
+      ) {
+        auto_heading_numbering[0] =
+          (munge_.match(rgx.auto_heading_numbering_off_lv1)) ? false : true;
+        if (auto_heading_numbering[0]) {
+          heading_num[0] ++;
+        }
+        heading_num[1] = 0;
+        heading_num[2] = 0;
+        heading_num[3] = 0;
+      } else if (
+        conf_make_meta.make.auto_num_top_lv
+          == (obj_["lev_markup_number"].to!uint - 1)
+      ) {
+        auto_heading_numbering[1] =
+          (munge_.match(rgx.auto_heading_numbering_off_lv2)) ? false : true;
+        if (auto_heading_numbering[0]
+        && auto_heading_numbering[1]) {
+          heading_num[1] ++;
+        }
+        heading_num[2] = 0;
+        heading_num[3] = 0;
+      } else if (
+        conf_make_meta.make.auto_num_top_lv
+          == (obj_["lev_markup_number"].to!uint - 2)
+      ) {
+        auto_heading_numbering[2] =
+          (munge_.match(rgx.auto_heading_numbering_off_lv3)) ? false : true;
+        if (auto_heading_numbering[0]
+        && auto_heading_numbering[1]
+        && auto_heading_numbering[2]) {
+          heading_num[2] ++;
+        }
+        heading_num[3] = 0;
+      } else if (
+        conf_make_meta.make.auto_num_top_lv
+          == (obj_["lev_markup_number"].to!uint - 3)
+      ) {
+        auto_heading_numbering[3] =
+          (munge_.match(rgx.auto_heading_numbering_off_lv4)) ? false : true;
+        if (auto_heading_numbering[0]
+        && auto_heading_numbering[1]
+        && auto_heading_numbering[2]
+        && auto_heading_numbering[3]) {
+          heading_num[3] ++;
+        }
+      }
+      if (auto_heading_numbering[0]) {
+        if (heading_num[3] > 0) {
+          heading_number_auto_composite
+            = (conf_make_meta.make.auto_num_depth.to!uint == 3
+              && auto_heading_numbering[3])
+            ? (format(q"┃%s.%s.%s.%s┃",
+                heading_num[0].to!string,
+                heading_num[1].to!string,
+                heading_num[2].to!string,
+                heading_num[3].to!string
+              ))
+            : "";
+        } else if (heading_num[2] > 0) {
+          heading_number_auto_composite
+            = ((conf_make_meta.make.auto_num_depth.to!uint >= 2)
+              && (conf_make_meta.make.auto_num_depth.to!uint <= 3)
+              && auto_heading_numbering[2])
+            ? (format(q"┃%s.%s.%s┃",
+                heading_num[0].to!string,
+                heading_num[1].to!string,
+                heading_num[2].to!string
+              ))
+            : "";
+        } else if (heading_num[1] > 0) {
+          heading_number_auto_composite
+            = ((conf_make_meta.make.auto_num_depth.to!uint >= 1)
+              && (conf_make_meta.make.auto_num_depth.to!uint <= 3)
+              && auto_heading_numbering[1])
+            ? (format(q"┃%s.%s┃",
+                heading_num[0].to!string,
+                heading_num[1].to!string
+              ))
+            : "";
+        } else if (heading_num[0] > 0
+          && munge_.match(rgx.auto_heading_numbering_lv1)
+        ) {
+          heading_number_auto_composite
+            = ((conf_make_meta.make.auto_num_depth.to!uint >= 0)
+              && (conf_make_meta.make.auto_num_depth.to!uint <= 3)
+              && auto_heading_numbering[0])
+            ? (format(q"┃%s┃",
+                heading_num[0].to!string
+              ))
+            : "";
+        } else {
+          heading_number_auto_composite = "";
+        }
+      }
+      heading_number_auto_composite_segname =
+        (heading_number_auto_composite.empty)
+          ? ""
+          : "seg_" ~ heading_number_auto_composite;
+      debug(heading_number_auto) {
+        writeln(heading_number_auto_composite);
+      }
+      if ((!empty(heading_number_auto_composite))
+      && (obj_["lev_markup_number"].to!uint >= conf_make_meta.make.auto_num_top_lv)) {
+        munge_ = munge_
+        .replaceFirst(rgx.heading,
+          "$1~$2 " ~ heading_number_auto_composite ~ ". ")
+        .replaceFirst(rgx.heading_marker_missing_tag,
+          "$1~" ~ heading_number_auto_composite_segname ~ " ");
+      }
+    }
+    return munge_;
+  }
+#+END_SRC
+
+******** make segment anchor tags if not provided :markup:inline:segment:anchor:tags:
+
+#+name: meta_emitters_obj_inline_markup_heading_numbering_segment_anchor_tags
+#+BEGIN_SRC d
+  static int heading_num_lev1 = 0;
+  static string _make_segment_anchor_tags_if_none_provided()(
+    string munge_,
+    string lev_,
+    bool   _new_doc
+  ) {
+    if (!(munge_.match(rgx.heading_anchor_tag))) {
+      if (munge_.match(rgx.heading_identify_anchor_tag)) {
+        if (auto m = munge_.match(rgx.heading_extract_named_anchor_tag)) {
+          munge_ = munge_.replaceFirst(
+            rgx.heading_marker_missing_tag,
+            "$1~" ~ m.captures[1].toLower ~ "_"  ~ m.captures[2] ~ " ");
+          if (auto n = munge_.match(rgx.heading_anchor_tag_plus_colon)) {
+            auto tag_remunge_ = n.captures[2]
+              .replaceAll(rgx.heading_marker_tag_has_colon, "..");
+            munge_ = munge_.replaceFirst(rgx.heading_anchor_tag_plus_colon, n.captures[1] ~ tag_remunge_ ~ " ");
+          }
+        } else if (auto m = munge_.match(rgx.heading_extract_unnamed_anchor_tag)) {
+          munge_ = munge_.replaceFirst(
+            rgx.heading_marker_missing_tag,
+            "$1~" ~ "s" ~ m.captures[1] ~ " ");
+        }
+      } else if (lev_ == "1") { // (if not successful) manufacture a unique anchor tag for lev=="1"
+        if (_new_doc) {
+          heading_num_lev1 = 0;
+        }
+        heading_num_lev1 ++;
+        munge_ = munge_.replaceFirst(
+          rgx.heading_marker_missing_tag,
+          "$1~" ~ "x" ~ heading_num_lev1.to!string ~ " ");
+      }
+    }
+    return munge_;
+  }
+#+END_SRC
+
+****** }
+
+#+name: meta_emitters_obj_inline_markup_close
+#+BEGIN_SRC d
+}
+#+END_SRC
+
+***** object attrib                                          :attributes:
+****** { attributes structure open, public
+
+#+name: meta_emitters_obj_attributes
+#+BEGIN_SRC d
+struct ObjAttributes {
+  string[string] _obj_attrib;
+#+END_SRC
+
+******* emitter obj attributes, public
+
+#+name: meta_emitters_obj_attributes_public
+#+BEGIN_SRC d
+  string obj_attributes()(
+    string              obj_is_,
+    string              obj_raw,
+    ObjGenericComposite _comp_obj_heading,
+  ) {
+    scope(exit) {
+      destroy(obj_is_);
+      destroy(obj_raw);
+      destroy(_comp_obj_heading);
+    }
+    _obj_attrib["json"] ="{";
+    switch (obj_is_) {
+    case "heading":
+      _obj_attrib["json"] ~= txt_heading(obj_raw);
+      break;
+    case "para":
+      _obj_attrib["json"] ~= txt_para_and_blocks(obj_raw)
+      ~ txt_para(obj_raw);
+      break;
+    case "code":
+      _obj_attrib["json"] ~= txt_code(obj_raw);
+      break;
+    case "group":
+      _obj_attrib["json"] ~= txt_para_and_blocks(obj_raw)
+      ~ txt_group(obj_raw);
+      break;
+    case "block":
+      _obj_attrib["json"] ~= txt_para_and_blocks(obj_raw)
+      ~ txt_block(obj_raw);
+      break;
+    case "verse":
+      _obj_attrib["json"] ~= txt_verse(obj_raw);
+      break;
+    case "quote":
+      _obj_attrib["json"] ~= txt_quote(obj_raw);
+      break;
+    case "table":
+      _obj_attrib["json"] ~= txt_table(obj_raw);
+      break;
+    case "comment":
+      _obj_attrib["json"] ~= txt_comment(obj_raw);
+      break;
+    default:
+      _obj_attrib["json"] ~= txt_para(obj_raw);
+      break;
+    }
+    _obj_attrib["json"] ~=" }";
+    _obj_attrib["json"]=_set_additional_values_parse_as_json(_obj_attrib["json"], obj_is_, _comp_obj_heading);
+    debug(structattrib) {
+      if (oa_j["is"].str() == "heading") {
+        writeln(_obj_attrib["json"]);
+        writeln(
+          "is: ", oa_j["is"].str(),
+          "; object_number: ", oa_j["object_number"].integer()
+        );
+      }
+    }
+    return _obj_attrib["json"];
+  }
+  invariant() {
+  }
+#+END_SRC
+
+******* private
+
+#+name: meta_emitters_obj_attributes_private
+#+BEGIN_SRC d
+  private:
+  string _obj_attributes;
+#+END_SRC
+
+******** para & blocks
+
+#+name: meta_emitters_obj_attributes_private_an_attribute
+#+BEGIN_SRC d
+  string txt_para_and_blocks()(string obj_txt_in) {
+    if (obj_txt_in.matchFirst(rgx.para_bullet)) {
+      _obj_attributes =" \"bullet\": \"true\","
+      ~ " \"indent_hang\": 0,"
+      ~ " \"indent_base\": 0,";
+    } else if (auto m = obj_txt_in.matchFirst(rgx.para_bullet_indent)) {
+      _obj_attributes =" \"bullet\": \"true\","
+      ~ " \"indent_hang\": " ~ m["indent"].to!string ~ ","
+      ~ " \"indent_base\": " ~ m["indent"].to!string ~ ",";
+    } else if (auto m = obj_txt_in.matchFirst(rgx.para_indent_hang)) {
+      _obj_attributes =" \"bullet\": \"false\","
+      ~ " \"indent_hang\": " ~ m["hang"].to!string ~ ","
+      ~ " \"indent_base\": " ~ m["indent"].to!string ~ ",";
+    } else if (auto m = obj_txt_in.matchFirst(rgx.para_indent)) {
+      _obj_attributes =" \"bullet\": \"false\","
+      ~ " \"indent_hang\": " ~ m["indent"].to!string ~ ","
+      ~ " \"indent_base\": " ~ m["indent"].to!string ~ ",";
+    } else {
+      _obj_attributes =" \"bullet\": \"false\","
+      ~ " \"indent_hang\": 0,"
+      ~ " \"indent_base\": 0,";
+    }
+    return _obj_attributes;
+  }
+#+END_SRC
+
+******** heading
+
+#+name: meta_emitters_obj_attributes_private_an_attribute
+#+BEGIN_SRC d
+  string txt_heading()(string obj_txt_in) {
+    _obj_attributes = " \"use\": \"content\","
+    ~ " \"of\": \"para\","
+    ~ " \"is\": \"heading\"";
+    return _obj_attributes;
+  }
+  invariant() {
+  }
+#+END_SRC
+
+******** para
+
+#+name: meta_emitters_obj_attributes_private_an_attribute
+#+BEGIN_SRC d
+  string txt_para()(string obj_txt_in) {
+    _obj_attributes = " \"use\": \"content\","
+    ~ " \"of\": \"para\","
+    ~ " \"is\": \"para\"";
+    return _obj_attributes;
+  }
+  invariant() {
+  }
+#+END_SRC
+
+******** quote
+
+#+name: meta_emitters_obj_attributes_private_an_attribute
+#+BEGIN_SRC d
+  string txt_quote()(string obj_txt_in) {
+    _obj_attributes = " \"use\": \"content\","
+    ~ " \"of\": \"block\","
+    ~ " \"is\": \"quote\"";
+    return _obj_attributes;
+  }
+  invariant() {
+  }
+#+END_SRC
+
+******** group
+
+#+name: meta_emitters_obj_attributes_private_an_attribute
+#+BEGIN_SRC d
+  string txt_group()(string obj_txt_in) {
+    _obj_attributes = " \"use\": \"content\","
+    ~ " \"of\": \"block\","
+    ~ " \"is\": \"group\"";
+    return _obj_attributes;
+  }
+  invariant() {
+  }
+#+END_SRC
+
+******** block
+
+#+name: meta_emitters_obj_attributes_private_an_attribute
+#+BEGIN_SRC d
+  string txt_block()(string obj_txt_in) {
+    _obj_attributes = " \"use\": \"content\","
+    ~ " \"of\": \"block\","
+    ~ " \"is\": \"block\"";
+    return _obj_attributes;
+  }
+  invariant() {
+  }
+#+END_SRC
+
+******** verse
+
+#+name: meta_emitters_obj_attributes_private_an_attribute
+#+BEGIN_SRC d
+  string txt_verse()(string obj_txt_in) {
+    _obj_attributes = " \"use\": \"content\","
+    ~ " \"of\": \"block\","
+    ~ " \"is\": \"verse\"";
+    return _obj_attributes;
+  }
+  invariant() {
+  }
+#+END_SRC
+
+******** code
+
+#+name: meta_emitters_obj_attributes_private_an_attribute
+#+BEGIN_SRC d
+  string txt_code()(string obj_txt_in) {
+    _obj_attributes = " \"use\": \"content\","
+    ~ " \"of\": \"block\","
+    ~ " \"is\": \"code\"";
+    return _obj_attributes;
+  }
+  invariant() {
+  }
+#+END_SRC
+
+******** table
+
+#+name: meta_emitters_obj_attributes_private_an_attribute
+#+BEGIN_SRC d
+  string txt_table()(string obj_txt_in) {
+    _obj_attributes = " \"use\": \"content\","
+    ~ " \"of\": \"block\","
+    ~ " \"is\": \"table\"";
+    return _obj_attributes;
+  }
+  invariant() {
+  }
+#+END_SRC
+
+******** comment
+
+#+name: meta_emitters_obj_attributes_private_an_attribute
+#+BEGIN_SRC d
+  string txt_comment()(string obj_txt_in) {
+    _obj_attributes = " \"use\": \"comment\","
+    ~ " \"of\": \"comment\","
+    ~ " \"is\": \"comment\"";
+    return _obj_attributes;
+  }
+  invariant() {
+  }
+#+END_SRC
+
+******** set additional attribute values, parse as json
+
+#+name: meta_emitters_obj_attributes_private_json
+#+BEGIN_SRC d
+  string _set_additional_values_parse_as_json()(
+    string              _obj_attrib,
+    string              obj_is_,
+    ObjGenericComposite _comp_obj_heading,
+  ) {
+    JSONValue oa_j = parseJSON(_obj_attrib);
+    assert(
+      (oa_j.type == JSON_TYPE.OBJECT)
+    );
+    if (obj_is_ == "heading") {
+      oa_j.object["object_number"]          = _comp_obj_heading.metainfo.ocn;
+      oa_j.object["lev_markup_number"]      = _comp_obj_heading.metainfo.heading_lev_markup;
+      oa_j.object["lev_collapsed_number"]   = _comp_obj_heading.metainfo.heading_lev_collapsed;
+      oa_j.object["heading_ptr"]
+        = _comp_obj_heading.ptr.heading;
+      oa_j.object["doc_object_ptr"]
+        = _comp_obj_heading.ptr.doc_object;
+    }
+    oa_j.object["parent_object_number"]     = _comp_obj_heading.metainfo.parent_ocn;
+    oa_j.object["parent_lev_markup_number"] = _comp_obj_heading.metainfo.parent_lev_markup;
+    _obj_attrib = oa_j.toString();
+    return _obj_attrib;
+  }
+#+END_SRC
+
+****** }
+
+#+name: meta_emitters_obj_attributes_private_close
+#+BEGIN_SRC d
+}
+#+END_SRC
+
+**** book index                                               :book:index:
+***** book index nugget hash                                :hash:nugget:
+
+#+name: meta_emitters_book_index_nugget
+#+BEGIN_SRC d
+struct BookIndexNuggetHash {
+  string main_term, sub_term, sub_term_bits;
+  int object_number_offset, object_number_endpoint;
+  string[] object_numbers;
+  string[][string][string] bi_hash_nugget;
+  string[] bi_main_terms_split_arr;
+  string[][string][string] bookindex_nugget_hash(N,S)(
+    string bookindex_section,
+    N      obj_cite_digits,
+    S      tag_in_seg,
+  ) {
+    debug(asserts) {
+      static assert(is(typeof(obj_cite_digits.object_number) == int));
+    }
+    debug(bookindexraw) {
+      if (!bookindex_section.empty) {
+        writeln(
+          "* [bookindex] ",
+          "[", obj_cite_digits.object_number.to!string, ": ", tag_in_seg["seg_lv4"], "] ", bookindex_section,
+          "  - - - ",
+          "[", obj_cite_digits.object_number.to!string, "] ", bookindex_section
+        );
+      }
+    }
+    static auto rgx = Rgx();
+    if (!bookindex_section.empty) {
+      auto bi_main_terms_split_arr
+        = bookindex_section.split(rgx.bi_main_terms_split);
+      foreach (bi_main_terms_content; bi_main_terms_split_arr) {
+        auto bi_main_term_and_rest
+          = bi_main_terms_content.split(rgx.bi_main_term_plus_rest_split);
+        if (auto m = bi_main_term_and_rest[0].match(
+          rgx.bi_term_and_object_numbers_match)
+        ) {
+          main_term = m.captures[1].strip;
+          object_number_offset = m.captures[2].to!int;
+          object_number_endpoint=(obj_cite_digits.object_number + object_number_offset);
+          object_numbers ~= (obj_cite_digits.object_number.to!string
+          ~ "-" ~ object_number_endpoint.to!string);
+        } else {
+          main_term = bi_main_term_and_rest[0].strip;
+          object_numbers ~= obj_cite_digits.object_number.to!string;
+        }
+        bi_hash_nugget[main_term]["_a"] ~= object_numbers;
+        object_numbers = null;
+        if (bi_main_term_and_rest.length > 1) {
+          auto bi_sub_terms_split_arr
+            = bi_main_term_and_rest[1].split(
+              rgx.bi_sub_terms_plus_object_number_offset_split
+            );
+          foreach (sub_terms_bits; bi_sub_terms_split_arr) {
+            if (auto m = sub_terms_bits.match(rgx.bi_term_and_object_numbers_match)) {
+              sub_term = m.captures[1].strip;
+              object_number_offset = m.captures[2].to!int;
+              object_number_endpoint=(obj_cite_digits.object_number + object_number_offset);
+              object_numbers ~= (obj_cite_digits.object_number.to!string
+              ~ " - " ~ object_number_endpoint.to!string);
+            } else {
+              sub_term = sub_terms_bits.strip;
+              object_numbers ~= obj_cite_digits.object_number.to!string;
+            }
+            if (!empty(sub_term)) {
+              bi_hash_nugget[main_term][sub_term] ~= object_numbers;
+            }
+            object_numbers=null;
+          }
+        }
+      }
+    }
+    return bi_hash_nugget;
+  }
+  invariant() {
+  }
+}
+#+END_SRC
+
+***** book index (sort &) report indented               :report:indented:
+
+#+name: meta_emitters_book_index_report_indented
+#+BEGIN_SRC d
+struct BookIndexReportIndent {
+  int mkn, skn;
+  void bookindex_report_indented()(
+    string[][string][string] bookindex_unordered_hashes
+  ) {
+    auto mainkeys
+      = bookindex_unordered_hashes.byKey.array.sort().release;
+    foreach (mainkey; mainkeys) {
+      debug(bookindex1) {
+        writeln(mainkey);
+      }
+      auto subkeys
+        = bookindex_unordered_hashes[mainkey].byKey.array.sort().release;
+      foreach (subkey; subkeys) {
+        debug(bookindex1) {
+          writeln("  ", subkey);
+          writeln("    ", to!string(
+            bookindex_unordered_hashes[mainkey][subkey]
+          ));
+        }
+        ++skn;
+      }
+      ++mkn;
+    }
+  }
+}
+#+END_SRC
+
+***** book index (sort &) report section                 :report:section:
+****** { book index struct open
+
+#+name: meta_emitters_book_index_report_section
+#+BEGIN_SRC d
+struct BookIndexReportSection {
+  int  mkn, skn;
+  static auto rgx = Rgx();
+  static auto munge = ObjInlineMarkupMunge();
+#+END_SRC
+
+******* bookindex write section
+
+#+name: meta_emitters_book_index_report_section
+#+BEGIN_SRC d
+  void bookindex_write_section()(
+    string[][string][string] bookindex_unordered_hashes
+  ) {
+    auto mainkeys =
+      bookindex_unordered_hashes.byKey.array
+      .sort!("toUpper(a) < toUpper(b)", SwapStrategy.stable).release;
+    foreach (mainkey; mainkeys) {
+      write("_0_1 !┨", mainkey, "┣! ");
+      foreach (ref_; bookindex_unordered_hashes[mainkey]["_a"]) {
+        auto go = ref_.replaceAll(rgx.book_index_go, "$1");
+        write(" {", ref_, "}#", go, ", ");
+      }
+      writeln(" \\\\");
+      bookindex_unordered_hashes[mainkey].remove("_a");
+      auto subkeys =
+        bookindex_unordered_hashes[mainkey].byKey.array
+        .sort!("toUpper(a) < toUpper(b)", SwapStrategy.stable).release;
+      foreach (subkey; subkeys) {
+        write("  ", subkey, ", ");
+        foreach (ref_; bookindex_unordered_hashes[mainkey][subkey]) {
+          auto go = ref_.replaceAll(rgx.book_index_go, "$1");
+          write(" {", ref_, "}#", go, ", ");
+        }
+        writeln(" \\\\");
+        ++skn;
+      }
+      ++mkn;
+    }
+  }
+#+END_SRC
+
+******* book index (sort &) build section                :report:section:
+
+#+name: meta_emitters_book_index_report_section
+#+BEGIN_SRC d
+  auto bookindex_build_abstraction_section(N,B)(
+    string[][string][string] bookindex_unordered_hashes,
+    N                        obj_cite_digits,
+    B                        opt_action,
+  ) {
+    debug(asserts) {
+      static assert(is(typeof(obj_cite_digits.object_number)             == int));
+    }
+    mixin DocReformNode;
+    mixin InternalMarkup;
+    static auto mkup = InlineMarkup();
+    string type_is;
+    string lev;
+    int heading_lev_markup, heading_lev_collapsed;
+    string attrib;
+    int[string] indent;
+    auto mainkeys =
+      bookindex_unordered_hashes.byKey.array
+      .sort!("toUpper(a) < toUpper(b)", SwapStrategy.stable).release;
+    ObjGenericComposite[] bookindex_section;
+    ObjGenericComposite comp_obj_heading_, comp_obj_para;
+    auto node_para_int_ = node_metadata_para_int;
+    auto node_para_str_ = node_metadata_para_str;
+    if ((mainkeys.length > 0)
+    && (opt_action.backmatter
+    && opt_action.section_bookindex)) {
+      string bi_tmp;
+      string[] bi_tmp_tags;
+      {
+        comp_obj_heading_                                = comp_obj_heading_.init;
+        comp_obj_heading_.metainfo.is_of_part            = "backmatter";
+        comp_obj_heading_.metainfo.is_of_section         = "bookindex";
+        comp_obj_heading_.metainfo.is_of_type            = "para";
+        comp_obj_heading_.metainfo.is_a                  = "heading";
+        comp_obj_heading_.text                           = "Book Index";
+        comp_obj_heading_.metainfo.ocn                   = 0;
+        comp_obj_heading_.metainfo.identifier            = "";
+        comp_obj_heading_.metainfo.dummy_heading         = false;
+        comp_obj_heading_.metainfo.object_number_off     = true;
+        comp_obj_heading_.metainfo.object_number_type    = 0;
+        comp_obj_heading_.tags.segment_anchor_tag_epub   = "_part_book_index";
+        comp_obj_heading_.tags.anchor_tag_html           = comp_obj_heading_.tags.segment_anchor_tag_epub;
+        comp_obj_heading_.tags.in_segment_html           = "bookindex";
+        comp_obj_heading_.tags.anchor_tags               = ["section_bookindex"];
+        comp_obj_heading_.metainfo.heading_lev_markup    = 1;
+        comp_obj_heading_.metainfo.heading_lev_collapsed = 1;
+        comp_obj_heading_.metainfo.parent_ocn            = 1;
+        comp_obj_heading_.metainfo.parent_lev_markup     = 0;
+        comp_obj_heading.has.inline_links                = true;
+        bookindex_section                                ~= comp_obj_heading_;
+        tag_assoc[comp_obj_heading_.tags.anchor_tag_html]["seg_lv4"]              = comp_obj_heading_.tags.in_segment_html;
+        tag_assoc[comp_obj_heading_.tags.segment_anchor_tag_epub]["seg_lv1_to_4"] = comp_obj_heading_.tags.segment_anchor_tag_epub;
+        ++mkn;
+      }
+      {
+        comp_obj_heading_                                = comp_obj_heading_.init;
+        comp_obj_heading_.metainfo.is_of_part            = "backmatter";
+        comp_obj_heading_.metainfo.is_of_section         = "bookindex";
+        comp_obj_heading_.metainfo.is_of_type            = "para";
+        comp_obj_heading_.metainfo.is_a                  = "heading";
+        comp_obj_heading_.text                           = "Index";
+        comp_obj_heading_.metainfo.ocn                   = 0;
+        comp_obj_heading_.metainfo.identifier            = "";
+        comp_obj_heading_.metainfo.dummy_heading         = true;
+        comp_obj_heading_.metainfo.object_number_off     = true;
+        comp_obj_heading_.metainfo.object_number_type    = 0;
+        comp_obj_heading_.tags.segment_anchor_tag_epub   = "bookindex";
+        comp_obj_heading_.tags.anchor_tag_html           = comp_obj_heading_.tags.segment_anchor_tag_epub;
+        comp_obj_heading_.tags.in_segment_html           = comp_obj_heading_.tags.anchor_tag_html;
+        comp_obj_heading_.metainfo.heading_lev_markup    = 4;
+        comp_obj_heading_.metainfo.heading_lev_collapsed = 2;
+        comp_obj_heading_.metainfo.parent_ocn            = 1;
+        comp_obj_heading_.metainfo.parent_lev_markup     = 0;
+        comp_obj_heading.has.inline_links                = false;
+        comp_obj_heading_.tags.anchor_tags               = ["bookindex"];
+        bookindex_section                                ~= comp_obj_heading_;
+        tag_assoc[comp_obj_heading_.tags.anchor_tag_html]["seg_lv4"]              = comp_obj_heading_.tags.in_segment_html;
+        tag_assoc[comp_obj_heading_.tags.segment_anchor_tag_epub]["seg_lv1_to_4"] = comp_obj_heading_.tags.segment_anchor_tag_epub;
+        ++mkn;
+      }
+      import std.array : appender;
+      auto buffer = appender!(char[])();
+      string[dchar] transTable = [' ' : "_"];
+      foreach (mainkey; mainkeys) {
+        bi_tmp_tags = [""];
+        bi_tmp = mkup.bold ~ mkup.ff_o ~ mainkey ~ mkup.ff_c ~ mkup.bold ~ " ";
+        buffer.clear();
+        bi_tmp_tags ~= translate(mainkey, transTable);
+        auto bkidx_lnk(string locs) {
+          string markup = "";
+          if (auto m = locs.matchFirst(rgx.book_index_go)) {
+            markup
+              = links_and_images("{ " ~ m["link"] ~ " }"
+              ~ "#" ~ m["ocn"] ~ ", ");
+          } else {
+            writeln(__LINE__, ": ", locs);
+          }
+          return markup;
+        }
+        foreach (ref_; bookindex_unordered_hashes[mainkey]["_a"]) {
+          bi_tmp ~= bkidx_lnk(ref_);
+        }
+        bi_tmp ~= " \\\\\n    ";
+        bookindex_unordered_hashes[mainkey].remove("_a");
+        auto subkeys =
+          bookindex_unordered_hashes[mainkey].byKey.array
+          .sort!("toUpper(a) < toUpper(b)", SwapStrategy.stable).release;
+        foreach (subkey; subkeys) {
+          bi_tmp ~= subkey ~ ", ";
+          buffer.clear();
+          bi_tmp_tags ~= translate(subkey, transTable);
+          foreach (ref_; bookindex_unordered_hashes[mainkey][subkey]) {
+            bi_tmp ~= bkidx_lnk(ref_);
+          }
+          bi_tmp ~= " \\\\\n    ";
+          ++skn;
+        }
+        bi_tmp                                         = bi_tmp.replaceFirst(rgx.trailing_linebreak, "");
+        comp_obj_para                                  = comp_obj_para.init;
+        comp_obj_para.metainfo.is_of_part              = "backmatter";
+        comp_obj_para.metainfo.is_of_section           = "bookindex";
+        comp_obj_para.metainfo.is_of_type              = "para";
+        comp_obj_para.metainfo.is_a                    = "bookindex";
+        comp_obj_para.text                             = bi_tmp.to!string.strip;
+        comp_obj_para.metainfo.ocn                     = 0;
+        comp_obj_para.metainfo.identifier              = "";
+        comp_obj_para.metainfo.object_number_off       = true;
+        comp_obj_para.metainfo.object_number_type      = 0;
+        comp_obj_para.tags.anchor_tags                 = bi_tmp_tags;
+        comp_obj_para.attrib.indent_hang               = 0;
+        comp_obj_para.attrib.indent_base               = 1;
+        comp_obj_para.attrib.bullet                    = false;
+        comp_obj_para.has.inline_links                 = true;
+        comp_obj_para.text                             = bi_tmp.to!string.strip;
+        bookindex_section                              ~= comp_obj_para;
+        ++mkn;
+      }
+    } else {                              // no book index, (figure out what to do here)
+      comp_obj_heading_                                = comp_obj_heading_.init;
+      comp_obj_heading_.text                           = "(skip) there is no Book Index";
+      comp_obj_heading_.metainfo.ocn                   = 0;
+      comp_obj_heading_.metainfo.identifier            = "";
+      comp_obj_heading_.metainfo.dummy_heading         = true;
+      comp_obj_heading_.metainfo.object_number_off     = true;
+      comp_obj_heading_.metainfo.object_number_type    = 0;
+      comp_obj_heading_.metainfo.heading_lev_markup    = 1;
+      comp_obj_heading_.metainfo.heading_lev_collapsed = 1;
+      comp_obj_heading_.metainfo.parent_ocn            = 1;
+      comp_obj_heading_.metainfo.parent_lev_markup     = 0;
+      bookindex_section                                ~= comp_obj_heading_;
+    }
+    auto t = tuple(
+      bookindex_section,
+      obj_cite_digits
+    );
+    return t;
+  }
+#+END_SRC
+
+****** }
+
+#+name: meta_emitters_book_index_report_section
+#+BEGIN_SRC d
+}
+#+END_SRC
+
+**** (end)notes section                                 :endnotes:section:
+
+#+name: meta_emitters_endnotes
+#+BEGIN_SRC d
+struct NotesSection {
+  string[string] object_notes;
+  int previous_count;
+  int mkn;
+  static auto rgx = Rgx();
+#+END_SRC
+
+***** { gather notes for endnote section struct open
+
+#+name: meta_emitters_endnotes
+#+BEGIN_SRC d
+  private auto gather_notes_for_endnote_section(
+    ObjGenericComposite[] contents_am,
+    string[string]        tag_in_seg,
+    int                   cntr,
+  ) {
+    assert((contents_am[cntr].metainfo.is_a == "para")
+    || (contents_am[cntr].metainfo.is_a     == "heading")
+    || (contents_am[cntr].metainfo.is_a     == "quote")
+    || (contents_am[cntr].metainfo.is_a     == "group")
+    || (contents_am[cntr].metainfo.is_a     == "block")
+    || (contents_am[cntr].metainfo.is_a     == "verse"));
+    assert(cntr >= previous_count);
+    assert(
+      (contents_am[cntr].text).match(
+      rgx.inline_notes_al_all_note)
+    );
+    mixin InternalMarkup;
+    previous_count=cntr;
+    static auto mkup = InlineMarkup();
+    static auto munge = ObjInlineMarkupMunge();
+    foreach(m;
+      (contents_am[cntr].text).matchAll(
+        rgx.inline_notes_al_special_char_note)
+    ) {
+      debug(endnotes_build) {
+        writeln(
+          "{^", mkup.ff_o, m["char"], ".", mkup.ff_c, "^}"
+          ~ mkup.mark_internal_site_lnk,
+          tag_in_seg["seg_lv4"],
+            ".fnSuffix#noteref_\n  ", m["char"], " ",
+          m["note"]); // sometimes need segment name (segmented html & epub)
+      }
+      // you need anchor for segments at this point ->
+      object_notes["anchor"] ~= "note_" ~ m["char"] ~ "』";
+      object_notes["notes"]  ~= (tag_in_seg["seg_lv4"].empty)
+      ? (links_and_images(
+          "{" ~ mkup.superscript  ~ mkup.ff_o ~ m["char"] ~ "." ~ mkup.ff_c  ~ mkup.superscript  ~ "}#noteref_"
+          ~ m["char"]) ~ " "
+          ~ m["note"] ~ "』"
+        )
+      : (links_and_images(
+          "{" ~ mkup.superscript ~ mkup.ff_o ~ m["char"] ~ "." ~ mkup.ff_c  ~ mkup.superscript ~ "}"
+           ~ mkup.mark_internal_site_lnk
+           ~ tag_in_seg["seg_lv4"]
+           ~ ".fnSuffix#noteref_"
+           ~ m["char"]) ~ " "
+           ~ m["note"] ~ "』"
+        );
+    }
+    foreach(m;
+      (contents_am[cntr].text).matchAll(
+        rgx.inline_notes_al_regular_number_note)
+    ) {
+      debug(endnotes_build) {
+        writeln(
+          "{^", mkup.ff_o, m["num"], ".", mkup.ff_c, "^}"
+          ~ mkup.mark_internal_site_lnk,
+          tag_in_seg["seg_lv4"],
+            ".fnSuffix#noteref_\n  ", m["num"], " ",
+          m["note"]); // sometimes need segment name (segmented html & epub)
+      }
+      // you need anchor for segments at this point ->
+      object_notes["anchor"] ~= "note_" ~ m["num"] ~ "』";
+      object_notes["notes"]  ~= (tag_in_seg["seg_lv4"].empty)
+      ? (links_and_images(
+          "{" ~ mkup.superscript  ~ mkup.ff_o ~ m["num"] ~ "." ~ mkup.ff_c  ~ mkup.superscript  ~ "}#noteref_"
+          ~ m["num"]) ~ " "
+          ~ m["note"] ~ "』"
+        )
+      : (links_and_images(
+          "{" ~ mkup.superscript ~ mkup.ff_o ~ m["num"] ~ "." ~ mkup.ff_c  ~ mkup.superscript ~ "}"
+           ~ mkup.mark_internal_site_lnk
+           ~ tag_in_seg["seg_lv4"]
+           ~ ".fnSuffix#noteref_"
+           ~ m["num"]) ~ " "
+           ~ m["note"] ~ "』"
+        );
+    }
+    return object_notes;
+  }
+#+END_SRC
+
+****** gathered notes
+
+#+name: meta_emitters_endnotes
+#+BEGIN_SRC d
+  private auto gathered_notes() {
+    string[][string] endnotes_;
+    if (object_notes.length > 1) {
+      endnotes_["notes"] = (object_notes["notes"].split(rgx.break_string))[0..$-1];
+      endnotes_["anchor"] = (object_notes["anchor"].split(rgx.break_string))[0..$-1];
+    } else {
+      endnotes_["notes"] = [];
+      endnotes_["anchor"] = [];
+    }
+    return endnotes_;
+  }
+#+END_SRC
+
+****** endnote objects
+
+#+name: meta_emitters_endnotes
+#+BEGIN_SRC d
+  private auto endnote_objects(N,O)(
+    N              obj_cite_digits,
+    O              opt_action,
+  ) {
+    mixin DocReformNode;
+    ObjGenericComposite[] the_endnotes_section;
+    auto endnotes_ = gathered_notes();
+    string type_is;
+    string lev, lev_markup_number, lev_collapsed_number;
+    string attrib;
+    int[string] indent;
+    ObjGenericComposite comp_obj_heading_;
+    if ((endnotes_["notes"].length > 0)
+    && (opt_action.backmatter && opt_action.section_endnotes)) {
+      {
+        comp_obj_heading_                                = comp_obj_heading_.init;
+        comp_obj_heading_.metainfo.is_of_part            = "backmatter";
+        comp_obj_heading_.metainfo.is_of_section         = "endnotes";
+        comp_obj_heading_.metainfo.is_of_type            = "para";
+        comp_obj_heading_.metainfo.is_a                  = "heading";
+        comp_obj_heading_.text                           = "Endnotes";
+        comp_obj_heading_.metainfo.ocn                   = 0;
+        comp_obj_heading_.metainfo.identifier            = "";
+        comp_obj_heading_.metainfo.dummy_heading         = false;
+        comp_obj_heading_.metainfo.object_number_off     = true;
+        comp_obj_heading_.metainfo.object_number_type    = 0;
+        comp_obj_heading_.tags.segment_anchor_tag_epub   = "_part_endnotes";
+        comp_obj_heading_.tags.anchor_tag_html           = comp_obj_heading_.tags.segment_anchor_tag_epub;
+        comp_obj_heading_.tags.in_segment_html           = "endnotes";
+        comp_obj_heading_.tags.anchor_tags               = ["section_endnotes"];
+        comp_obj_heading_.metainfo.heading_lev_markup    = 1;
+        comp_obj_heading_.metainfo.heading_lev_collapsed = 1;
+        comp_obj_heading_.metainfo.parent_ocn            = 1;
+        comp_obj_heading_.metainfo.parent_lev_markup     = 0;
+        the_endnotes_section                             ~= comp_obj_heading_;
+        tag_assoc[comp_obj_heading_.tags.anchor_tag_html]["seg_lv4"]              = comp_obj_heading_.tags.in_segment_html;
+        tag_assoc[comp_obj_heading_.tags.segment_anchor_tag_epub]["seg_lv1_to_4"] = comp_obj_heading_.tags.segment_anchor_tag_epub;
+        ++mkn;
+      }
+      {
+        comp_obj_heading_                                = comp_obj_heading_.init;
+        comp_obj_heading_.metainfo.is_of_part            = "backmatter";
+        comp_obj_heading_.metainfo.is_of_section         = "endnotes";
+        comp_obj_heading_.metainfo.is_of_type            = "para";
+        comp_obj_heading_.metainfo.is_a                  = "heading";
+        comp_obj_heading_.text                           = "Endnotes";
+        comp_obj_heading_.metainfo.ocn                   = 0;
+        comp_obj_heading_.metainfo.identifier            = "";
+        comp_obj_heading_.metainfo.dummy_heading         = true;
+        comp_obj_heading_.metainfo.object_number_off     = true;
+        comp_obj_heading_.metainfo.object_number_type    = 0;
+        comp_obj_heading_.tags.segment_anchor_tag_epub   = "endnotes";
+        comp_obj_heading_.tags.anchor_tag_html           = comp_obj_heading_.tags.segment_anchor_tag_epub;
+        comp_obj_heading_.tags.in_segment_html           = comp_obj_heading_.tags.anchor_tag_html;
+        comp_obj_heading_.metainfo.heading_lev_markup    = 4;
+        comp_obj_heading_.metainfo.heading_lev_collapsed = 2;
+        comp_obj_heading_.metainfo.parent_ocn            = 1;
+        comp_obj_heading_.metainfo.parent_lev_markup     = 0;
+        comp_obj_heading_.tags.anchor_tags               = ["endnotes"];
+        the_endnotes_section                             ~= comp_obj_heading_;
+        tag_assoc[comp_obj_heading_.tags.anchor_tag_html]["seg_lv4"]              = comp_obj_heading_.tags.in_segment_html;
+        tag_assoc[comp_obj_heading_.tags.segment_anchor_tag_epub]["seg_lv1_to_4"] = comp_obj_heading_.tags.segment_anchor_tag_epub;
+        ++mkn;
+      }
+    } else {
+      comp_obj_heading_                                = comp_obj_heading_.init;
+      comp_obj_heading_.metainfo.is_of_part            = "empty";
+      comp_obj_heading_.metainfo.is_of_section         = "empty";
+      comp_obj_heading_.metainfo.is_of_type            = "para";
+      comp_obj_heading_.metainfo.is_a                  = "heading";
+      comp_obj_heading_.text                           = "(skip) there are no Endnotes";
+      comp_obj_heading_.metainfo.ocn                   = 0;
+      comp_obj_heading_.metainfo.identifier            = "";
+      comp_obj_heading_.metainfo.dummy_heading         = true;
+      comp_obj_heading_.metainfo.object_number_off     = true;
+      comp_obj_heading_.metainfo.object_number_type    = 0;
+      comp_obj_heading_.metainfo.heading_lev_markup    = 1;
+      comp_obj_heading_.metainfo.heading_lev_collapsed = 1;
+      comp_obj_heading_.metainfo.parent_ocn            = 1;
+      comp_obj_heading_.metainfo.parent_lev_markup     = 0;
+      the_endnotes_section                             ~= comp_obj_heading_;
+    }
+    if (opt_action.backmatter && opt_action.section_endnotes) {
+      ObjGenericComposite comp_obj_endnote_;
+      comp_obj_endnote_                                = comp_obj_endnote_.init;
+      comp_obj_endnote_.metainfo.is_of_part            = "backmatter";
+      comp_obj_endnote_.metainfo.is_of_section         = "endnote";
+      comp_obj_endnote_.metainfo.is_of_type            = "para";
+      comp_obj_endnote_.metainfo.is_a                  = "endnote";
+      comp_obj_endnote_.metainfo.ocn                   = 0;
+      comp_obj_endnote_.metainfo.identifier            = "";
+      // comp_obj_heading_.metainfo.dummy_heading         = false;
+      comp_obj_heading_.metainfo.object_number_off     = true; // check
+      comp_obj_heading_.metainfo.object_number_type    = 0; // check
+      comp_obj_endnote_.attrib.indent_hang             = 0;
+      comp_obj_endnote_.attrib.indent_base             = 0;
+      comp_obj_endnote_.attrib.bullet                  = false;
+      foreach (i, endnote; endnotes_["notes"]) {
+        auto     m                                     = endnote.matchFirst(rgx.note_ref);
+        string   notenumber                            = m["ref"].to!string;
+        string   anchor_tag                            = "note_" ~ notenumber;
+        comp_obj_endnote_.tags.anchor_tags             = [ endnotes_["anchor"][i] ];
+        comp_obj_endnote_.has.inline_links             = true;
+        comp_obj_endnote_.text                         = endnote.inline_markup_faces.strip;
+        the_endnotes_section                           ~= comp_obj_endnote_;
+      }
+    }
+    auto t = tuple(the_endnotes_section, obj_cite_digits);
+    return t;
+  }
+#+END_SRC
+
+***** }
+
+#+name: meta_emitters_endnotes
+#+BEGIN_SRC d
+}
+#+END_SRC
+
+**** bibliography                                           :bibliography:
+***** { biblio struct
+
+#+name: meta_emitters_bibliography
+#+BEGIN_SRC d
+struct Bibliography {
+#+END_SRC
+
+****** biblio
+
+#+name: meta_emitters_bibliography
+#+BEGIN_SRC d
+  public JSONValue[] flow_bibliography_()(
+    return ref string[]    biblio_unsorted_incomplete,
+    return ref JSONValue[] bib_arr_json
+  ) {
+    JSONValue[] biblio_unsorted
+      = biblio_make_unsorted_array_of_json_objects(biblio_unsorted_incomplete, bib_arr_json); // TODO lookat returns
+    biblio_arr_json = [];
+    biblio_unsorted_incomplete = [];
+    JSONValue[] biblio_sorted__ = biblio_sort(biblio_unsorted);
+    debug(biblio0) {
+      biblio_debug(biblio_sorted__);
+      writeln("---");
+      writeln("unsorted incomplete: ", biblio_unsorted_incomplete.length);
+      writeln("json:                ", bib_arr_json.length);
+      writeln("unsorted:            ", biblio_unsorted.length);
+      writeln("sorted:              ", biblio_sorted__.length);
+      int cntr;
+      int[7] x;
+      while (cntr < x.length) {
+        writeln(cntr, ": ", biblio_sorted__[cntr]["fulltitle"]);
+        cntr++;
+      }
+    }
+    return biblio_sorted__;
+  }
+#+END_SRC
+
+****** biblio unsorted complete
+
+#+name: meta_emitters_bibliography
+#+BEGIN_SRC d
+  final private JSONValue[] biblio_make_unsorted_array_of_json_objects()(
+    string[]      biblio_unordered,
+    JSONValue[]   bib_arr_json
+  ) {
+    foreach (bibent; biblio_unordered) {
+      /+ update bib to include deemed_author, needed for:
+        sort_bibliography_array_by_deemed_author_year_title
+        either: sort on multiple fields, or; create such sort field
+      +/
+      JSONValue j = parseJSON(bibent);
+      if (!empty(j["fulltitle"].str)) {
+        if (!empty(j["author_raw"].str)) {
+          j["deemed_author"]=j["author_arr"][0];
+        } else if (!empty(j["editor_raw"].str)) {
+          j["deemed_author"]=j["editor_arr"][0];
+        }
+        j["sortby_deemed_author_year_title"] = (
+          j["deemed_author"].str ~
+           "; " ~
+           j["year"].str ~
+           "; "  ~
+           j["fulltitle"].str
+        );
+      }
+      bib_arr_json ~= j;
+    }
+    return bib_arr_json.dup;
+  }
+#+END_SRC
+
+****** biblio sort
+
+#+name: meta_emitters_bibliography
+#+BEGIN_SRC d
+  final private JSONValue[] biblio_sort()(JSONValue[] biblio_unordered) {
+    JSONValue[] biblio_sorted_;
+    biblio_sorted_
+      = sort!((a, b){
+        return ((a["sortby_deemed_author_year_title"].str) < (b["sortby_deemed_author_year_title"].str));
+      })(biblio_unordered).array;
+    debug(bibliosorted) {
+      foreach (j; biblio_sorted_) {
+        if (!empty(j["fulltitle"].str)) {
+          writeln(j["sortby_deemed_author_year_title"]);
+        }
+      }
+    }
+    return biblio_sorted_;
+  }
+#+END_SRC
+
+****** biblio debug
+
+#+name: meta_emitters_bibliography
+#+BEGIN_SRC d
+  void biblio_debug()(JSONValue[] biblio_sorted) {
+    debug(biblio0) {
+      foreach (j; biblio_sorted) {
+        if (!empty(j["fulltitle"].str)) {
+          writeln(j["sortby_deemed_author_year_title"]);
+        }
+      }
+    }
+  }
+#+END_SRC
+
+***** }
+
+#+name: meta_emitters_bibliography
+#+BEGIN_SRC d
+}
+#+END_SRC
+
+**** node structure metadata                     :structure:metadata:node:
+***** { metadata node struct
+
+#+name: meta_emitters_metadata
+#+BEGIN_SRC d
+struct NodeStructureMetadata {
+  int lv, lv0, lv1, lv2, lv3, lv4, lv5, lv6, lv7;
+  int obj_cite_digit;
+  int[string] p_; // p_ parent_
+  static auto rgx = Rgx();
+#+END_SRC
+
+****** node metadata emitter
+
+#+name: meta_emitters_metadata
+#+BEGIN_SRC d
+  ObjGenericComposite node_location_emitter(La,Ta,N)(
+    string         lev_markup_number,
+    string[string] tag_in_seg,
+    La             lev_anchor_tag,
+    Ta             tag_assoc,
+    N              obj_cite_digits,
+    int            cntr_,
+    int            ptr_,
+    string         is_
+  ) {
+    debug(asserts) {
+      static assert(is(typeof(obj_cite_digits.object_number) == int));
+    }
+    assert(is_ != "heading");
+    assert(obj_cite_digits.object_number.to!int >= 0);
+    assert(is_ != "heading");                          // should not be necessary
+    assert(obj_cite_digits.object_number.to!int >= 0); // should not be necessary
+    if (lv7 > State.off) {
+      p_["lev_markup_number"] = DocStructMarkupHeading.h_text_4;
+      p_["object_number"] = lv7;
+    } else if (lv6 > State.off) {
+      p_["lev_markup_number"] = DocStructMarkupHeading.h_text_3;
+      p_["object_number"] = lv6;
+    } else if (lv5 > State.off) {
+      p_["lev_markup_number"] = DocStructMarkupHeading.h_text_2;
+      p_["object_number"] = lv5;
+    } else {
+      p_["lev_markup_number"] = DocStructMarkupHeading.h_text_1;
+      p_["object_number"] = lv4;
+    }
+    ObjGenericComposite comp_obj_location;
+    comp_obj_location                              = comp_obj_location.init;
+    comp_obj_location.metainfo.is_a                = is_;
+    comp_obj_location.metainfo.ocn                 = obj_cite_digits.object_number;
+    comp_obj_location.metainfo.identifier          = obj_cite_digits.identifier;
+    comp_obj_location.tags.anchor_tag_html         = tag_in_seg["seg_lv4"];
+    comp_obj_location.tags.segment_anchor_tag_epub = tag_in_seg["seg_lv1_to_4"];
+    comp_obj_location.tags.heading_lev_anchor_tag  = lev_anchor_tag;
+    comp_obj_location.metainfo.parent_ocn          = p_["object_number"];
+    comp_obj_location.metainfo.parent_lev_markup   = p_["lev_markup_number"];
+    debug(_node) {
+      if (lev_markup_number.match(rgx.levels_numbered_headings)) {
+        writeln("x ", _node.to!string);
+      } else {
+        writeln("- ", _node.to!string);
+      }
+    }
+    assert(comp_obj_location.metainfo.parent_lev_markup >= 4);
+    assert(comp_obj_location.metainfo.parent_lev_markup <= 7);
+    assert(comp_obj_location.metainfo.parent_ocn >= 0);
+    return comp_obj_location;
+  }
+  invariant() {
+  }
+#+END_SRC
+
+****** node metadata emitter heading, (including most segnames & their pointers)
+
+#+name: meta_emitters_metadata
+#+BEGIN_SRC d
+  ObjGenericComposite node_emitter_heading(Hd,TaL,TA,N,fNr,fNs,fL)(
+    string         _text,
+    string         lev_markup_number,
+    string         lev_collapsed_number,
+    Hd             dummy_heading_status,
+    string[string] tag_in_seg,
+    TaL            lev_anchor_tag,
+    TA             tag_assoc,
+    N              obj_cite_digits,
+    int            cntr_,
+    int            ptr_,
+    string[]       lv_ancestors_txt,
+    string         is_,
+    int            html_segnames_ptr,
+    fNr            flag_notes_reg,
+    fNs            flag_notes_star,
+    fL             flag_links,
+  ) {
+    debug(asserts) {
+      static assert(is(typeof(lev)                                       == string));
+      static assert(is(typeof(obj_cite_digits.object_number)             == int));
+    }
+    assert(is_ == "heading");
+    assert((obj_cite_digits.object_number).to!int >= 0);
+    assert(
+      lev_markup_number.match(rgx.levels_numbered),
+      ("not a valid heading level: " ~ lev_markup_number ~ " at " ~ obj_cite_digits.object_number.to!string)
+    );
+    if (lev_markup_number.match(rgx.levels_numbered)) {
+      if (lev_markup_number.to!int == 0) {
+        /+ TODO first hit (of two) with this assertion failure, check, fix & reinstate
+        assert(obj_cite_digits.object_number.to!int == 1,
+          "ERROR header lev markup number is: " ~
+          lev_markup_number.to!string ~
+          " obj_cite_digits.object_number.to!int should == 1 but is: " ~
+           obj_cite_digits.object_number.to!string ~
+          "\n" ~ _text);
+        +/
+      }
+    }
+    switch (lev_markup_number.to!int) {
+    case 0:
+      lv = DocStructMarkupHeading.h_sect_A;
+      lv0 = obj_cite_digit;
+      lv1=0; lv2=0; lv3=0; lv4=0; lv5=0; lv6=0; lv7=0;
+      p_["lev_markup_number"] = 0;
+      p_["object_number"] = 0;
+      break;
+    case 1:
+      lv = DocStructMarkupHeading.h_sect_B;
+      lv1 = obj_cite_digit;
+      lv2=0; lv3=0; lv4=0; lv5=0; lv6=0; lv7=0;
+      p_["lev_markup_number"]
+        = DocStructMarkupHeading.h_sect_A;
+      p_["object_number"] = lv0;
+      break;
+    case 2:
+      lv = DocStructMarkupHeading.h_sect_C;
+      lv2 = obj_cite_digit;
+      lv3=0; lv4=0; lv5=0; lv6=0; lv7=0;
+      p_["lev_markup_number"]
+        = DocStructMarkupHeading.h_sect_B;
+      p_["object_number"] = lv1;
+      break;
+    case 3:
+      lv = DocStructMarkupHeading.h_sect_D;
+      lv3=obj_cite_digit;
+      lv4=0; lv5=0; lv6=0; lv7=0;
+      p_["lev_markup_number"]
+        = DocStructMarkupHeading.h_sect_C;
+      p_["object_number"] = lv2;
+      break;
+    case 4:
+      lv = DocStructMarkupHeading.h_text_1;
+      lv4 = obj_cite_digit;
+      lv5=0; lv6=0; lv7=0;
+      if (lv3 > State.off) {
+        p_["lev_markup_number"]
+          = DocStructMarkupHeading.h_sect_D;
+        p_["object_number"] = lv3;
+      } else if (lv2 > State.off) {
+        p_["lev_markup_number"]
+          = DocStructMarkupHeading.h_sect_C;
+        p_["object_number"] = lv2;
+      } else if (lv1 > State.off) {
+        p_["lev_markup_number"]
+          = DocStructMarkupHeading.h_sect_B;
+        p_["object_number"] = lv1;
+      } else {
+        p_["lev_markup_number"]
+          = DocStructMarkupHeading.h_sect_A;
+        p_["object_number"] = lv0;
+      }
+      break;
+    case 5:
+      lv = DocStructMarkupHeading.h_text_2;
+      lv5 = obj_cite_digit;
+      lv6=0; lv7=0;
+      p_["lev_markup_number"]
+        = DocStructMarkupHeading.h_text_1;
+      p_["object_number"] = lv4;
+      break;
+    case 6:
+      lv = DocStructMarkupHeading.h_text_3;
+      lv6 = obj_cite_digit;
+      lv7=0;
+      p_["lev_markup_number"]
+        = DocStructMarkupHeading.h_text_2;
+      p_["object_number"] = lv5;
+      break;
+    case 7:
+      lv = DocStructMarkupHeading.h_text_4;
+      lv7 = obj_cite_digit;
+      p_["lev_markup_number"]
+        = DocStructMarkupHeading.h_text_3;
+      p_["object_number"] = lv6;
+      break;
+    default:
+      break;
+    }
+    ObjGenericComposite _comp_obj_heading_;
+    _comp_obj_heading_                                  = _comp_obj_heading_.init;
+    _comp_obj_heading_.metainfo.is_of_part              = "body";
+    _comp_obj_heading_.metainfo.is_of_section           = "body";
+    _comp_obj_heading_.metainfo.is_of_type              = "para";
+    _comp_obj_heading_.metainfo.is_a                    = "heading";
+    _comp_obj_heading_.text                             = _text.to!string.strip;
+    _comp_obj_heading_.metainfo.ocn                     = obj_cite_digits.object_number;
+    _comp_obj_heading_.metainfo.identifier              = obj_cite_digits.identifier;
+    _comp_obj_heading_.metainfo.dummy_heading           = (dummy_heading_status == "t") ? true: false;
+    _comp_obj_heading_.metainfo.object_number_off       = obj_cite_digits.off;
+    // _comp_obj_heading_.metainfo.o_n_book_index       = obj_cite_digits.bkidx;
+    _comp_obj_heading_.metainfo.object_number_type      = obj_cite_digits.type;
+    _comp_obj_heading_.tags.segment_anchor_tag_epub     = tag_in_seg["seg_lv1_to_4"];
+    _comp_obj_heading_.tags.anchor_tag_html             = tag_in_seg["seg_lv4"];
+    _comp_obj_heading_.tags.in_segment_html             = _comp_obj_heading_.tags.anchor_tag_html;
+    _comp_obj_heading_.tags.heading_lev_anchor_tag      = lev_anchor_tag;
+    _comp_obj_heading_.tags.html_segment_anchor_tag_is  = tag_in_seg["seg_lv4"];
+    _comp_obj_heading_.tags.epub_segment_anchor_tag_is  = tag_in_seg["seg_lv1_to_4"];
+    _comp_obj_heading_.metainfo.heading_lev_markup      = (!(lev_markup_number.empty) ? lev_markup_number.to!int : 0);
+    _comp_obj_heading_.metainfo.heading_lev_collapsed   = (!(lev_collapsed_number.empty) ? lev_collapsed_number.to!int : 0);
+    _comp_obj_heading_.metainfo.parent_ocn              = p_["object_number"];
+    _comp_obj_heading_.metainfo.parent_lev_markup       = p_["lev_markup_number"];
+    _comp_obj_heading_.tags.heading_ancestors_text      = lv_ancestors_txt;
+    _comp_obj_heading_.ptr.doc_object                   = cntr_;
+    _comp_obj_heading_.ptr.html_segnames                = ((lev_markup_number == "4") ? html_segnames_ptr : 0);
+    _comp_obj_heading_.ptr.heading                      = ptr_;
+    _comp_obj_heading_.has.inline_notes_reg             = flag_notes_reg;
+    _comp_obj_heading_.has.inline_notes_star            = flag_notes_star;
+    _comp_obj_heading_.has.inline_links                 = flag_links;
+    tag_assoc[_comp_obj_heading_.tags.anchor_tag_html]["seg_lv4"]              = _comp_obj_heading_.tags.in_segment_html;
+    tag_assoc[_comp_obj_heading_.tags.segment_anchor_tag_epub]["seg_lv1_to_4"] = _comp_obj_heading_.tags.segment_anchor_tag_epub;
+    debug(_node) {
+      if (lev_markup_number.match(rgx.levels_numbered_headings)) {
+        writeln("* ", _node.to!string);
+      }
+    }
+    debug(nodeheading) {
+      if (lev_markup_number.match(rgx.levels_numbered_headings)) {
+        writeln("* ", _node.to!string);
+      }
+    }
+    assert(_comp_obj_heading_.metainfo.parent_lev_markup <= 7);
+    assert(_comp_obj_heading_.metainfo.parent_ocn >= 0);
+    if (lev_markup_number.match(rgx.levels_numbered_headings)) {
+      assert(_comp_obj_heading_.metainfo.heading_lev_markup <= 7);
+      assert(_comp_obj_heading_.metainfo.ocn >= 0);
+      if (_comp_obj_heading_.metainfo.parent_lev_markup > 0) {
+        assert(_comp_obj_heading_.metainfo.parent_lev_markup < _comp_obj_heading_.metainfo.heading_lev_markup);
+        if (_comp_obj_heading_.metainfo.ocn != 0) {
+          assert(_comp_obj_heading_.metainfo.parent_ocn < _comp_obj_heading_.metainfo.ocn);
+        }
+      }
+      if (_comp_obj_heading_.metainfo.heading_lev_markup == 0) {
+        assert(_comp_obj_heading_.metainfo.parent_lev_markup == DocStructMarkupHeading.h_sect_A);
+      } else if  (_comp_obj_heading_.metainfo.heading_lev_markup == DocStructMarkupHeading.h_sect_B) {
+        assert(_comp_obj_heading_.metainfo.parent_lev_markup == DocStructMarkupHeading.h_sect_A);
+      } else if  (_comp_obj_heading_.metainfo.heading_lev_markup == DocStructMarkupHeading.h_sect_C) {
+        assert(_comp_obj_heading_.metainfo.parent_lev_markup == DocStructMarkupHeading.h_sect_B);
+      } else if  (_comp_obj_heading_.metainfo.heading_lev_markup == DocStructMarkupHeading.h_sect_D) {
+        assert(_comp_obj_heading_.metainfo.parent_lev_markup == DocStructMarkupHeading.h_sect_C);
+      } else if  (_comp_obj_heading_.metainfo.heading_lev_markup == DocStructMarkupHeading.h_text_1) {
+        assert(_comp_obj_heading_.metainfo.parent_lev_markup <= DocStructMarkupHeading.h_sect_D);
+      } else if  (_comp_obj_heading_.metainfo.heading_lev_markup == DocStructMarkupHeading.h_text_2) {
+        assert(_comp_obj_heading_.metainfo.parent_lev_markup == DocStructMarkupHeading.h_text_1);
+      } else if  (_comp_obj_heading_.metainfo.heading_lev_markup == DocStructMarkupHeading.h_text_3) {
+        assert(_comp_obj_heading_.metainfo.parent_lev_markup == DocStructMarkupHeading.h_text_2);
+      } else if  (_comp_obj_heading_.metainfo.heading_lev_markup == DocStructMarkupHeading.h_text_4) {
+        assert(_comp_obj_heading_.metainfo.parent_lev_markup == DocStructMarkupHeading.h_text_3);
+      } else if  (_comp_obj_heading_.metainfo.heading_lev_markup == DocStructMarkupHeading.h_text_5) {
+      }
+    }
+    return _comp_obj_heading_;
+  }
+  invariant() {
+  }
+#+END_SRC
+
+***** }
+
+#+name: meta_emitters_metadata
+#+BEGIN_SRC d
+}
+#+END_SRC
+
+*** function assertions                                        :assertions:
+**** assertions on markup document structure               :doc_structure:
+
+#+name: abs_functions_assertions
+#+BEGIN_SRC d
+pure void assertions_doc_structure()(
+  string[string]  an_object,
+  int[string]     lv
+) {
+  if (lv["h3"] > State.off) {
+    assert(lv["h0"] > State.off);
+    assert(lv["h1"] > State.off);
+    assert(lv["h2"] > State.off);
+  } else if (lv["h2"] > State.off) {
+    assert(lv["h0"] > State.off);
+    assert(lv["h1"] > State.off);
+    assert(lv["h3"] == State.off);
+  } else if (lv["h1"] > State.off) {
+    assert(lv["h0"] > State.off);
+    assert(lv["h2"] == State.off);
+    assert(lv["h3"] == State.off);
+  } else if (lv["h0"] > State.off) {
+    assert(lv["h1"] == State.off);
+    assert(lv["h2"] == State.off);
+    assert(lv["h3"] == State.off);
+  } else {
+    assert(lv["h0"] == State.off);
+    assert(lv["h1"] == State.off);
+    assert(lv["h2"] == State.off);
+    assert(lv["h3"] == State.off);
+  }
+  if (lv["h7"] > State.off) {
+    assert(lv["h4"] > State.off);
+    assert(lv["h5"] > State.off);
+    assert(lv["h6"] > State.off);
+  } else if (lv["h6"] > State.off) {
+    assert(lv["h4"] > State.off);
+    assert(lv["h5"] > State.off);
+    assert(lv["h7"] == State.off);
+  } else if (lv["h5"] > State.off) {
+    assert(lv["h4"] > State.off);
+    assert(lv["h6"] == State.off);
+    assert(lv["h7"] == State.off);
+  } else if (lv["h4"] > State.off) {
+    assert(lv["h5"] == State.off);
+    assert(lv["h6"] == State.off);
+    assert(lv["h7"] == State.off);
+  } else {
+    assert(lv["h4"] == State.off);
+    assert(lv["h5"] == State.off);
+    assert(lv["h6"] == State.off);
+    assert(lv["h7"] == State.off);
+  }
+  if (lv["h0"] == State.off) {
+    assert(lv["h1"] == State.off);
+    assert(lv["h2"] == State.off);
+    assert(lv["h3"] == State.off);
+    assert(lv["h4"] == State.off);
+    assert(lv["h5"] == State.off);
+    assert(lv["h6"] == State.off);
+    assert(lv["h7"] == State.off);
+  }
+  if (lv["h1"] == State.off) {
+    assert(lv["h2"] == State.off);
+    assert(lv["h3"] == State.off);
+  }
+  if (lv["h2"] == State.off) {
+    assert(lv["h3"] == State.off);
+  }
+  if (lv["h3"] == State.off) {
+  }
+  if (lv["h4"] == State.off) {
+    assert(lv["h5"] == State.off);
+    assert(lv["h6"] == State.off);
+    assert(lv["h7"] == State.off);
+  }
+  if (lv["h5"] == State.off) {
+    assert(lv["h6"] == State.off);
+    assert(lv["h7"] == State.off);
+  }
+  if (lv["h6"] == State.off) {
+    assert(lv["h7"] == State.off);
+  }
+  if (lv["h7"] == State.off) {
+  }
+  switch ((an_object["lev"]).to!string) {
+  case "A":
+    if (lv["h0"] == State.off) {
+      assert(lv["h1"] == State.off);
+      assert(lv["h2"] == State.off);
+      assert(lv["h3"] == State.off);
+      assert(lv["h4"] == State.off);
+      assert(lv["h5"] == State.off);
+      assert(lv["h6"] == State.off);
+      assert(lv["h7"] == State.off);
+    } else {                       // (lv["h0"] > State.off)
+      assert(lv["h0"] == State.off,"error should not enter level A a second time");
+    }
+    break;
+  case "B":
+    if (lv["h1"] == State.off) {
+      assert(lv["h0"] > State.off);
+      assert(lv["h2"] == State.off);
+      assert(lv["h3"] == State.off);
+    } else {                       // (lv["h1"] > State.off)
+      assert(lv["h0"] > State.off);
+      assert(lv["h1"] > State.off);
+    }
+    break;
+  case "C":
+    if (lv["h2"] == State.off) {
+      assert(lv["h0"] > State.off);
+      assert(lv["h1"] > State.off);
+      assert(lv["h3"] == State.off);
+    } else {                       // (lv["h2"] > State.off)
+      assert(lv["h0"] > State.off);
+      assert(lv["h1"] > State.off);
+      assert(lv["h2"] > State.off);
+    }
+    break;
+  case "D":
+    if (lv["h3"] == State.off) {
+      assert(lv["h0"] > State.off);
+      assert(lv["h1"] > State.off);
+      assert(lv["h2"] > State.off);
+    } else {                      // (lv["h3"] > State.off)
+      assert(lv["h0"] > State.off);
+      assert(lv["h1"] > State.off);
+      assert(lv["h2"] > State.off);
+      assert(lv["h3"] > State.off);
+    }
+    break;
+  case "1":
+    if (lv["h4"] == State.off) {
+      assert(lv["h0"] > State.off);
+    } else {                      // (lv["h4"] > State.off)
+      assert(lv["h0"] > State.off);
+      assert(lv["h4"] > State.off);
+    }
+    break;
+  case "2":
+    if (lv["h5"] == State.off) {
+      assert(lv["h0"] > State.off);
+      assert(lv["h4"] > State.off);
+    } else {                      // (lv["h5"] > State.off)
+      assert(lv["h0"] > State.off);
+      assert(lv["h4"] > State.off);
+      assert(lv["h5"] > State.off);
+    }
+    break;
+  case "3":
+    if (lv["h6"] == State.off) {
+      assert(lv["h0"] > State.off);
+      assert(lv["h4"] > State.off);
+      assert(lv["h5"] > State.off);
+    } else {                      // (lv["h6"] > State.off)
+      assert(lv["h0"] > State.off);
+      assert(lv["h4"] > State.off);
+      assert(lv["h5"] > State.off);
+      assert(lv["h6"] > State.off);
+    }
+    break;
+  case "4":
+    if (lv["h7"] == State.off) {
+      assert(lv["h0"] > State.off);
+      assert(lv["h4"] > State.off);
+      assert(lv["h5"] > State.off);
+      assert(lv["h6"] > State.off);
+    } else {                      // (lv["h7"] > State.off)
+      assert(lv["h0"] > State.off);
+      assert(lv["h4"] > State.off);
+      assert(lv["h5"] > State.off);
+      assert(lv["h6"] > State.off);
+      assert(lv["h7"] > State.off);
+    }
+    break;
+  default:
+    break;
+  }
+}
+#+END_SRC
+
+**** assertions on blocks                                         :blocks:
+
+#+name: abs_functions_assertions
+#+BEGIN_SRC d
+pure void assertions_flag_types_block_status_none_or_closed()(int[string] obj_type_status) {
+  assert(
+    (obj_type_status["code"] == TriState.off)
+    || (obj_type_status["code"] == TriState.closing),
+    "code block status: off or closing");
+  assert(
+    (obj_type_status["poem"] == TriState.off)
+    || (obj_type_status["poem"] == TriState.closing),
+    "poem status: off or closing");
+  assert(
+    (obj_type_status["table"] == TriState.off)
+    || (obj_type_status["table"] == TriState.closing),
+    "table status: off or closing");
+  assert(
+    (obj_type_status["group"] == TriState.off)
+    || (obj_type_status["group"] == TriState.closing),
+    "group block status: off or closing");
+  assert(
+    (obj_type_status["block"] == TriState.off)
+    || (obj_type_status["block"] == TriState.closing),
+    "block status: off or closing");
+}
+#+END_SRC
+
+*** doc sect keys seq
+
+#+name: template_doc_sect_keys_seq
+#+BEGIN_SRC d
+template docSectKeysSeq() {
+  auto docSectKeysSeq(string[][string] document_section_keys_sequenced) {
+    struct doc_sect_keys_seq {
+      string[] scroll() {
+        return document_section_keys_sequenced["scroll"];
+      }
+      string[] seg() {
+        return document_section_keys_sequenced["seg"];
+      }
+      string[] sql() {
+        return document_section_keys_sequenced["sql"];
+      }
+      string[] latex() {
+        return document_section_keys_sequenced["latex"];
+      }
+    }
+    return doc_sect_keys_seq();
+  }
+}
+#+END_SRC
+
+* 2. Object Setter (Set Abstract Object) :module:spine:meta_object_setter:
+
+set abstracted objects for downstream processing
+
+** _module template_
+
+#+BEGIN_SRC d :tangle "../src/doc_reform/meta/object_setter.d"
+/++
+  object setter:
+  setting of sisu objects for downstream processing
+  meta_object_setter.d
++/
+module doc_reform.meta.object_setter;
+template ObjectSetter() {
+  /+ structs +/
+  <<meta_structs_init>>
+}
+#+END_SRC
+
+** 1. initialize structs                                            :struct:
+*** heading attribute
+
+#+BEGIN_SRC d
+struct HeadingAttrib {
+  string lev                            = "9";
+  int    heading_lev_markup             = 9;
+  int    heading_lev_collapsed          = 9;
+  int[]  closes_lev_collapsed           = [];
+  int[]  closes_lev_markup              = [];
+  int    array_ptr                      = 0;
+  int    heading_array_ptr_segments     = 0;
+}
+#+END_SRC
+
+*** _composite object_ [#A]
+
+#+name: meta_structs_init
+#+BEGIN_SRC d
+struct DocObj_MetaInfo_ {
+  string                 is_of_part                         = ""; // frontmatter, body, backmatter
+  string                 is_of_section                      = ""; // toc, body, glossary, biography, book index, blurb
+  string                 is_of_type                         = ""; // para, block ?
+  string                 is_a                               = ""; // heading, para, table, code block, group, verse/poem ...
+  alias                  of_part                            = is_of_part;
+  alias                  of_section                         = is_of_section;
+  alias                  is_of                              = is_of_type;
+  string                 attrib                             = "";
+  string                 lang                               = ""; // blocks: group, block, quote; not codeblock;
+  string                 syntax                             = ""; // codeblock only
+  /+ o_n +/
+  int                    o_n_substantive                    = 0;
+  int                    o_n_non_substantive                = 0;
+  int                    o_n_glossary                       = 0;
+  int                    o_n_bibliography                   = 0;
+  int                    o_n_book_index                     = 0;
+  int                    o_n_blurb                          = 0;
+  string object_number_substantive() const @property {
+    return (o_n_substantive==0) ? "" : o_n_substantive.to!string;
+  }
+  string object_number_non_substantive() const @property {
+    return (o_n_non_substantive==0) ? "" : o_n_non_substantive.to!string;
+  }
+  string object_number_glossary() const @property {
+    return (o_n_glossary==0) ? "" : o_n_glossary.to!string;
+  }
+  string object_number_bibliography() const @property {
+    return (o_n_bibliography==0) ? "" : o_n_bibliography.to!string;
+  }
+  string object_number_book_index() const @property {
+    return (o_n_book_index==0) ? "" : o_n_book_index.to!string;
+  }
+  string object_number_blurb() const @property {
+    return (o_n_blurb==0) ? "" : o_n_blurb.to!string;
+  }
+  bool                   object_number_off                  = false;
+  bool                   visible_object_number              = false;
+  int                    object_number_type                 = 0; // { ocn, non, bkidx }
+  /+ node +/
+  string[string][string] node;
+  int                    ocn                                = 0;
+  string                 identifier                         = "";
+  string object_number() const @property {
+    return (ocn==0) ? "" : ocn.to!string;
+  }
+  int                    o_n_type                           = 0;
+  int                    heading_lev_markup                 = 9;
+  int                    heading_lev_collapsed              = 9;
+  string marked_up_level() const @property {
+    string _out;
+    switch (heading_lev_markup) {
+    case 0  : _out = "A"; break;
+    case 1  : _out = "B"; break;
+    case 2  : _out = "C"; break;
+    case 3  : _out = "D"; break;
+    case 4  : _out = "1"; break;
+    case 5  : _out = "2"; break;
+    case 6  : _out = "3"; break;
+    case 7  : _out = "4"; break;
+    default : _out = "";  break; // "9";
+    }
+    return _out;
+  }
+  bool                   dummy_heading                       = false;
+  int[]                  markedup_ancestors                  = [ 0, 0, 0, 0, 0, 0, 0, 0,];
+  int[]                  collapsed_ancestors                 = [ 0, 0, 0, 0, 0, 0, 0, 0,];
+  int[]                  dom_structure_markedup_tags_status  = [ 0, 0, 0, 0, 0, 0, 0, 0,];
+  int[]                  dom_structure_collapsed_tags_status = [ 0, 0, 0, 0, 0, 0, 0, 0,];
+  int                    parent_lev_markup                   = 0;
+  int                    parent_ocn                          = 0;
+  int                    last_decendant_ocn                  = 0;
+}
+#+END_SRC
+
+**** object text attributes
+
+#+name: meta_structs_init
+#+BEGIN_SRC d
+struct DocObj_TxtAttrib_ {
+  int                    indent_base                         = 0;
+  int                    indent_hang                         = 0;
+  bool                   bullet                              = false;
+  string                 language                            = "";
+}
+#+END_SRC
+
+**** object has within it
+
+#+name: meta_structs_init
+#+BEGIN_SRC d
+struct DocObj_Has_ {
+  bool                   inline_links                        = false;
+  bool                   inline_notes_reg                    = false;
+  bool                   inline_notes_star                   = false;
+  bool                   images                              = false;
+  bool                   image_without_dimensions            = false;
+}
+#+END_SRC
+
+**** table attributes
+
+#+name: meta_structs_init
+#+BEGIN_SRC d
+struct DocObj_Table_ {
+  int                    number_of_columns                   = 0;
+  double[]               column_widths                       = [];
+  string[]               column_aligns                       = [];
+  bool                   heading                             = false;
+  bool                   walls                               = false;
+}
+#+END_SRC
+
+**** code attributes
+
+#+name: meta_structs_init
+#+BEGIN_SRC d
+struct DocObj_CodeBlock_ {
+  string                 syntax                              = "";
+  bool                   linenumbers                         = false;
+}
+#+END_SRC
+
+**** stow (things to be protected from regular text transformations, so far links)
+
+#+name: meta_structs_init
+#+BEGIN_SRC d
+struct DocObj_Stow_ {
+  string[]               link                               = [];
+}
+#+END_SRC
+
+**** pointers
+
+#+name: meta_structs_init
+#+BEGIN_SRC d
+struct DocObj_Pointer_ {
+  int                    doc_object                          = 0;
+  int                    html_segnames                       = 0;
+  int                    heading                             = 0;
+}
+#+END_SRC
+
+**** tags
+
+#+name: meta_structs_init
+#+BEGIN_SRC d
+struct DocObj_Tags_ {
+  string[]               heading_ancestors_text              = [ "", "", "", "", "", "", "", "", ];
+  string                 anchor_tag_html                     = "";
+  string                 in_segment_html                     = "";
+  string                 segment_anchor_tag_epub             = "";
+  string                 html_segment_anchor_tag_is          = "";
+  string                 epub_segment_anchor_tag_is          = "";
+  string                 heading_lev_anchor_tag              = "";
+  string                 segname_prev                        = "";
+  string                 segname_next                        = "";
+  string[]               lev4_subtoc                         = [];
+  string[]               anchor_tags                         = [];
+}
+#+END_SRC
+
+**** composite object the parts
+
+#+name: meta_structs_init
+#+BEGIN_SRC d
+struct ObjGenericComposite {
+  string                 text                                = "";
+  DocObj_MetaInfo_       metainfo;
+  DocObj_TxtAttrib_      attrib;
+  DocObj_Tags_           tags;
+  DocObj_Has_            has;
+  DocObj_Table_          table;
+  DocObj_CodeBlock_      code_block;
+  DocObj_Stow_           stow;
+  DocObj_Pointer_        ptr;
+}
+#+END_SRC
+
+*** The Objects: generic composite object array
+
+#+name: meta_structs_init
+#+BEGIN_SRC d
+struct TheObjects {
+  ObjGenericComposite[] oca;
+}
+#+END_SRC
+
+* __END__
diff --git a/org/out_harvest_metadata.org b/org/out_harvest_metadata.org
new file mode 100644
index 0000000..b2c7b1a
--- /dev/null
+++ b/org/out_harvest_metadata.org
@@ -0,0 +1,862 @@
+-*- mode: org -*-
+#+TITLE:       spine (doc_manifest) metadata (multidocument) harvests
+#+DESCRIPTION: documents - structuring, various output representations & search
+#+FILETAGS:    :spine:hub:
+#+AUTHOR:      Ralph Amissah
+#+EMAIL:       [[mailto:ralph.amissah@gmail.com][ralph.amissah@gmail.com]]
+#+COPYRIGHT:   Copyright (C) 2015 - 2019 Ralph Amissah
+#+LANGUAGE:    en
+#+STARTUP:     indent content hideblocks hidestars
+#+OPTIONS:     H:3 num:nil toc:t \n:nil @:t ::t |:t ^:nil _:nil -:t f:t *:t <:t
+#+OPTIONS:     TeX:t LaTeX:t skip:nil d:nil todo:t pri:nil tags:not-in-toc
+#+OPTIONS:     author:nil email:nil creator:nil timestamp:nil
+#+PROPERTY:    header-args :results silent :padline no :exports code :cache no :noweb yes
+#+EXPORT_SELECT_TAGS:  export
+#+EXPORT_EXCLUDE_TAGS: noexport
+#+TAGS: assert(a) class(c) debug(d) mixin(m) spine(s) tangle(T) template(t) WEB(W) noexport(n)
+
+* document harvest _summary_         :module:spine:metadoc_show_summary:
+
+** _module template_ metadoc harvest
+
+#+BEGIN_SRC d :tangle "../src/doc_reform/meta/metadoc_harvest.d"
+module doc_reform.meta.metadoc_harvest;
+template DocReformMetaDocHarvest() {
+  auto DocReformMetaDocHarvest(T,H)(
+    T  doc_matters,
+    H  hvst,
+  ) {
+    <<metadoc_harvest_imports>>
+    mixin InternalMarkup;
+    <<metadoc_harvest_initialize>>
+    <<meta_metadoc_harvest>>
+  }
+}
+#+END_SRC
+
+** init
+*** imports
+
+#+name: metadoc_harvest_imports
+#+BEGIN_SRC d
+import
+  doc_reform.meta.defaults,
+  doc_reform.meta.rgx;
+import
+  std.array,
+  std.exception,
+  std.regex,
+  std.stdio,
+  std.string,
+  std.traits,
+  std.typecons,
+  std.uni,
+  std.utf,
+  std.conv : to;
+#+END_SRC
+
+*** initialize                                                     :report:
+
+#+name: metadoc_harvest_initialize
+#+BEGIN_SRC d
+auto markup = InlineMarkup();
+#+END_SRC
+
+** harvest summary
+
+#+name: meta_metadoc_harvest_summary
+#+BEGIN_SRC d
+auto min_repeat_number = 66;
+auto char_repeat_number = (doc_matters.conf_make_meta.meta.title_full.length
+  + doc_matters.conf_make_meta.meta.creator_author.length + 4);
+char_repeat_number = (char_repeat_number > min_repeat_number)
+? char_repeat_number
+: min_repeat_number;
+writefln(
+  "%s\n\"%s\", %s\n%s\n%s\n%s",
+  markup.repeat_character_by_number_provided("-", char_repeat_number),
+  doc_matters.conf_make_meta.meta.title_full,
+  doc_matters.conf_make_meta.meta.creator_author,
+  doc_matters.src.filename,
+  doc_matters.conf_make_meta.meta.classify_topic_register_arr,
+  markup.repeat_character_by_number_provided("-", char_repeat_number),
+);
+#+END_SRC
+
+** return harvest
+
+#+name: meta_metadoc_harvest
+#+BEGIN_SRC d
+import doc_reform.output.paths_output;
+auto pth_html_abs                  = DocReformPathsHTML!()(doc_matters.output_path, doc_matters.src.language);
+auto pth_html_rel                  = DocReformDocRootTreeHTML!()(doc_matters.src.language);
+hvst.harvest.title                 = doc_matters.conf_make_meta.meta.title_full;
+hvst.harvest.author                = doc_matters.conf_make_meta.meta.creator_author;
+hvst.harvest.author_surname        = doc_matters.conf_make_meta.meta.creator_author_surname;
+hvst.harvest.author_surname_fn     = doc_matters.conf_make_meta.meta.creator_author_surname_fn;
+hvst.harvest.author_arr            = doc_matters.conf_make_meta.meta.creator_author_arr;
+hvst.harvest.language_original     = doc_matters.conf_make_meta.meta.original_language;
+hvst.harvest.language              = doc_matters.src.language;
+hvst.harvest.uid                   = doc_matters.src.doc_uid;
+hvst.harvest.date_published        = doc_matters.conf_make_meta.meta.date_published;
+hvst.harvest.topic_register_arr    = doc_matters.conf_make_meta.meta.classify_topic_register_arr;
+hvst.harvest.path_html_scroll      = pth_html_rel.fn_scroll(doc_matters.src.filename);
+hvst.harvest.path_html_segtoc      = pth_html_rel.fn_seg(doc_matters.src.filename, "toc");
+hvst.harvest.path_abs_html_scroll  = pth_html_abs.fn_scroll(doc_matters.src.filename);
+hvst.harvest.path_abs_html_segtoc  = pth_html_abs.fn_seg(doc_matters.src.filename, "toc");
+return hvst.harvest;
+#+END_SRC
+
+** _module template_ metadoc harvest topics
+*** _module template_ metadoc harvest topics template
+
+#+BEGIN_SRC d :tangle "../src/doc_reform/meta/metadoc_harvests_topics.d"
+module doc_reform.meta.metadoc_harvests_topics;
+  import
+    std.algorithm,
+    std.array,
+    std.exception,
+    std.regex,
+    std.stdio,
+    std.string,
+    std.conv : to;
+  import
+    doc_reform.meta.defaults,
+    doc_reform.meta.rgx;
+  mixin DocReformHarvest;
+  mixin InternalMarkup;
+  mixin DocReformRgxInit;
+template DocReformMetaDocHarvestsTopics() {
+  auto mkup = InlineMarkup();
+  void DocReformMetaDocHarvestsTopics(H,M,O)(
+    H  hvst,
+    M  _make_and_meta_struct,
+    O  _opt_action,
+  ) {
+      <<harvested_topics>>
+<<harvested_html_themes>>
+<<harvested_topics_html_head_1>>
+<<harvested_html_head>>
+<<harvested_topics_html_head_2>>
+<<harvested_topics_html_head_theme>>
+      <<harvested_topics_html>>
+      topics
+<<harvested_html_bottom>>
+    <<harvested_topics_html_write>>
+  }
+}
+#+END_SRC
+
+*** order topic register
+
+#+NAME: harvested_topics
+#+BEGIN_SRC d
+auto min_repeat_number = 42;
+string[] _document_topic_register;
+string[] _topic_register;
+string[] _sub_topic_register;
+string[] topics = [];
+string _auth = "";
+foreach(k, doc_harvest; hvst.harvests) {
+  _topic_register = [];
+  foreach(topic; doc_harvest.topic_register_arr.sort) {
+    _sub_topic_register = [];
+    string _spaces;
+    string[] subject_tree = topic.split(mkup.sep);
+    switch (subject_tree.length) {
+    case 1:
+      hvst.subject_trees[subject_tree[0]]["_a"]["_a"]["_a"] ~= doc_harvest;
+      break;
+    case 2:
+      hvst.subject_trees[subject_tree[0]][subject_tree[1]]["_a"]["_a"] ~= doc_harvest;
+      break;
+    case 3:
+      hvst.subject_trees[subject_tree[0]][subject_tree[1]][subject_tree[2]]["_a"] ~= doc_harvest;
+      break;
+    case 4:
+      hvst.subject_trees[subject_tree[0]][subject_tree[1]][subject_tree[2]][subject_tree[3]] ~= doc_harvest;
+      break;
+    default:
+      break;
+    }
+    _topic_register ~= _sub_topic_register.join("\n");
+  }
+  auto char_repeat_number = (doc_harvest.title.length
+    + doc_harvest.author.length + 16);
+  char_repeat_number = (char_repeat_number > min_repeat_number)
+  ? char_repeat_number
+  : min_repeat_number;
+  _document_topic_register ~= format(
+    "\"%s\", %s%s\n%s",
+    doc_harvest.title,
+    doc_harvest.author,
+    (doc_harvest.date_published.length > 0) ? " (" ~ doc_harvest.date_published ~ ")" : "",
+    _topic_register.sort!("toUpper(a) < toUpper(b)", SwapStrategy.unstable).release.join("\n"),
+  );
+}
+#+END_SRC
+
+*** harvested topics html head
+
+#+NAME: harvested_topics_html_head_1
+#+BEGIN_SRC d
+      topics ~= format(q"┃<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>Metadata Harvest - Topics</title>
+#+END_SRC
+
+*** harvested topics html head
+
+#+NAME: harvested_topics_html_head_2
+#+BEGIN_SRC d
+</head>
+<body lang="en" xml:lang="en">
+<a name="top" id="top"></a>
+<a name="up" id="up"></a>
+<a name="start" id="start"></a>
+<h1>Metadata Harvest - Topics (output organised by language &amp; filetype)</h1>
+<p>[<a href="../../index.html">&nbsp;HOME&nbsp;</a>] also see <a href="authors.html">Metadata Harvest - Authors</a></p>
+<p><a href="#A">A</a>,&nbsp;<a href="#B">B</a>,&nbsp;<a href="#C">C</a>,&nbsp;<a href="#D">D</a>,&nbsp;<a href="#E">E</a>,&nbsp;<a href="#F">F</a>,&nbsp;<a href="#G">G</a>,&nbsp;<a href="#H">H</a>,&nbsp;<a href="#I">I</a>,&nbsp;<a href="#J">J</a>,&nbsp;<a href="#K">K</a>,&nbsp;<a href="#L">L</a>,&nbsp;<a href="#M">M</a>,&nbsp;<a href="#N">N</a>,&nbsp;<a href="#O">O</a>,&nbsp;<a href="#P">P</a>,&nbsp;<a href="#Q">Q</a>,&nbsp;<a href="#R">R</a>,&nbsp;<a href="#S">S</a>,&nbsp;<a href="#T">T</a>,&nbsp;<a href="#U">U</a>,&nbsp;<a href="#V">V</a>,&nbsp;<a href="#W">W</a>,&nbsp;<a href="#X">X</a>,&nbsp;<a href="#Y">Y</a>,&nbsp;<a href="#Z">Z</a>,&nbsp;
+<p></p>
+<hr />
+<p class="tiny"><a href="../../en/manifest/topics.html">English</a>&nbsp;&nbsp;&nbsp;</p>
+<hr />
+#+END_SRC
+
+*** harvested topics html head theme insert
+
+#+NAME: harvested_topics_html_head_theme
+#+BEGIN_SRC d
+┃",
+  _opt_action.css_theme_default ? theme_light_0 : theme_dark_0,
+  _opt_action.css_theme_default ? theme_light_1 : theme_dark_1,
+) ~ "\n";
+#+END_SRC
+
+*** harvested topics html
+
+#+NAME: harvested_topics_html
+#+BEGIN_SRC d
+char _prev_k = "_".to!char;
+int _kn;
+foreach(k0;
+  hvst.subject_trees.keys
+  .sort!("toUpper(a) < toUpper(b)", SwapStrategy.unstable)
+) {
+  if (k0.toUpper.to!(char[])[0] != _prev_k) {
+    topics ~= format(q"┃<p class="letter"><a name="%s">%s</a></p><p class="book_index_lev1"><a name="a"></a></p>┃",
+      k0.toUpper.to!(char[])[0],
+      k0.toUpper.to!(char[])[0],
+    );
+    _prev_k = k0.toUpper.to!(char[])[0];
+  }
+  if (k0 != "_a") {
+    topics ~= format(q"┃<p class="lev0"><a name="%s" class="lev0">%s</a></p>┃",
+      k0.translate([' ' : "_"]), k0,) ~ "\n";
+    if (_opt_action.very_verbose) {
+      writeln("", k0);
+    }
+    if ("_a" in hvst.subject_trees[k0]) {
+      foreach (t_a_;
+        hvst.subject_trees[k0]["_a"]["_a"]["_a"]
+        .multiSort!("toUpper(a.title) < toUpper(b.title)", "a.author < b.author", SwapStrategy.unstable)
+      ) {
+        _auth = [];
+        if (t_a_.author_arr.length < 2) {
+          _auth = format(q"┃ <a href="authors.html#%s">%s</a>┃",
+            t_a_.author_surname.translate([' ' : "_"]),
+            t_a_.author,
+          );
+        } else {
+          foreach (a; t_a_.author_arr) {
+            _auth ~= format(q"┃ <a href="authors.html#%s">%s</a>,┃",
+              t_a_.author_surname.translate([' ' : "_"]),
+              a,
+            );
+          }
+        }
+        topics ~= format(q"┃<p class="work"><a href="%s">"%s"</a> -%s┃",
+          t_a_.path_html_segtoc,
+          t_a_.title,
+          _auth,
+        ) ~ "\n";
+        if (_opt_action.very_verbose) {
+          writeln("- ", t_a_.title, " - ", t_a_.author);
+        }
+      }
+    }
+    foreach(k1;
+      hvst.subject_trees[k0].keys
+      .sort!("toUpper(a) < toUpper(b)", SwapStrategy.unstable)
+    ) {
+      if (k1 != "_a") {
+        topics ~= format(q"┃<p class="lev1"><a name="%s" class="lev1">%s</a></p>┃",
+          k1.translate([' ' : "_"]), k1,) ~ "\n";
+        if (_opt_action.very_verbose) {
+          writeln("  ", k1);
+        }
+        if ("_a" in hvst.subject_trees[k0][k1]) {
+          foreach (t_a_;
+            hvst.subject_trees[k0][k1]["_a"]["_a"]
+            .multiSort!("toUpper(a.title) < toUpper(b.title)", "a.author < b.author", SwapStrategy.unstable)
+          ) {
+            _auth = [];
+            if (t_a_.author_arr.length < 2) {
+              _auth = format(q"┃ <a href="authors.html#%s">%s</a>┃",
+                t_a_.author_surname.translate([' ' : "_"]),
+                t_a_.author,
+              );
+            } else {
+              foreach (a; t_a_.author_arr) {
+                _auth ~= format(q"┃ <a href="authors.html#%s">%s</a>,┃",
+                  t_a_.author_surname.translate([' ' : "_"]),
+                  a,
+                );
+              }
+            }
+            topics ~= format(q"┃<p class="work"><a href="%s">%s</a> -%s┃",
+              t_a_.path_html_segtoc,
+              t_a_.title,
+              _auth,
+            ) ~ "\n";
+            if (_opt_action.very_verbose) {
+              writeln("  - ", t_a_.title, " - ", t_a_.author);
+            }
+          }
+        }
+      }
+      foreach(k2;
+        hvst.subject_trees[k0][k1].keys
+        .sort!("toUpper(a) < toUpper(b)", SwapStrategy.unstable)
+      ) {
+        if (k2 != "_a") {
+          topics ~= format(q"┃<p class="lev2"><a name="%s" class="lev2">%s</a></p>┃",
+            k2.translate([' ' : "_"]), k2,) ~ "\n";
+          if (_opt_action.very_verbose) {
+            writeln("    ", k2);
+          }
+          if ("_a" in hvst.subject_trees[k0][k1][k2]) {
+            foreach (t_a_;
+              hvst.subject_trees[k0][k1][k2]["_a"]
+              .multiSort!("toUpper(a.title) < toUpper(b.title)", "a.author < b.author", SwapStrategy.unstable)
+            ) {
+              _auth = [];
+              if (t_a_.author_arr.length < 2) {
+                _auth = format(q"┃ <a href="authors.html#%s">%s</a>┃",
+                  t_a_.author_surname.translate([' ' : "_"]),
+                  t_a_.author,
+                );
+              } else {
+                foreach (a; t_a_.author_arr) {
+                  _auth ~= format(q"┃ <a href="authors.html#%s">%s</a>,┃",
+                    t_a_.author_surname.translate([' ' : "_"]),
+                    a,
+                  );
+                }
+              }
+              topics ~= format(q"┃<p class="work"><a href="%s">%s</a> -%s┃",
+                t_a_.path_html_segtoc,
+                t_a_.title,
+                _auth,
+              ) ~ "\n";
+              if (_opt_action.very_verbose) {
+                writeln("    - ", t_a_.title, " - ", t_a_.author);
+              }
+            }
+          }
+        }
+        foreach(k3;
+          hvst.subject_trees[k0][k1][k2].keys
+          .sort!("toUpper(a) < toUpper(b)", SwapStrategy.unstable)
+        ) {
+          if (k3 != "_a") {
+            topics ~= format(q"┃<p class="lev3"><a name="%s" class="lev3">%s</a></p>┃",
+              k3.translate([' ' : "_"]), k3,) ~ "\n";
+            if (_opt_action.very_verbose) {
+              writeln("      ", k3);
+            }
+            {
+              foreach (t_a_;
+                hvst.subject_trees[k0][k1][k2][k3]
+                .multiSort!("toUpper(a.title) < toUpper(b.title)", "a.author < b.author", SwapStrategy.unstable)
+              ) {
+                _auth = [];
+                if (t_a_.author_arr.length < 2) {
+                  _auth = format(q"┃<a href="authors.html#%s">%s</a>┃",
+                    t_a_.author_surname.translate([' ' : "_"]),
+                    t_a_.author,
+                  );
+                } else {
+                  foreach (a; t_a_.author_arr) {
+                    _auth ~= format(q"┃ <a href="authors.html#%s">%s</a>,┃",
+                      t_a_.author_surname.translate([' ' : "_"]),
+                      a,
+                    );
+                  }
+                }
+                topics ~= format(q"┃ <p class="work"><a href="%s">%s</a> -%s┃",
+                  t_a_.path_html_segtoc,
+                  t_a_.title,
+                  _auth,
+                ) ~ "\n";
+                if (_opt_action.very_verbose) {
+                  writeln("      - ", t_a_.title, " - ", t_a_.author);
+                }
+              }
+            }
+          }
+        }
+      }
+    }
+  }
+}
+#+END_SRC
+
+*** harvested topics write
+
+#+NAME: harvested_topics_html_write
+#+BEGIN_SRC d
+import doc_reform.output.paths_output;
+auto out_pth = DocReformPathsHTML!()(_make_and_meta_struct.conf.output_path, "");
+try {
+  auto f       = File(out_pth.harvest("topics.html"), "w");
+  foreach (o; topics) {
+    f.writeln(o);
+  }
+} catch (ErrnoException ex) {
+  // Handle error
+}
+#+END_SRC
+
+** _module template_ metadoc harvests authors
+*** _module template_ metadoc harvest authors
+
+#+BEGIN_SRC d :tangle "../src/doc_reform/meta/metadoc_harvests_authors.d"
+module doc_reform.meta.metadoc_harvests_authors;
+  import
+    std.algorithm,
+    std.array,
+    std.exception,
+    std.regex,
+    std.stdio,
+    std.string,
+    std.conv : to;
+  import
+    doc_reform.meta.defaults,
+    doc_reform.meta.rgx;
+  mixin DocReformHarvest;
+  mixin InternalMarkup;
+  mixin DocReformRgxInit;
+template DocReformMetaDocHarvestsAuthors() {
+  auto mkup = InlineMarkup();
+  void DocReformMetaDocHarvestsAuthors(H,M,O)(
+    H  harvests,
+    M  _make_and_meta_struct,
+    O  _opt_action,
+  ) {
+<<harvested_html_themes>>
+<<harvested_authors_html_head_1>>
+<<harvested_html_head>>
+<<harvested_authors_html_head_2>>
+<<harvested_authors_html_head_theme>>
+      authors
+<<harvested_html_bottom>>
+    <<harvested_authors_html_write>>
+  }
+}
+#+END_SRC
+
+*** harvested authors html head
+
+#+NAME: harvested_authors_html_head_1
+#+BEGIN_SRC d
+      string[] authors = [];
+      authors ~= format(q"┃
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>Metadata Harvest - Authors</title>
+#+END_SRC
+
+*** harvested authors html head
+
+#+NAME: harvested_authors_html_head_2
+#+BEGIN_SRC d
+</head>
+<body lang="en" xml:lang="en">
+<a name="top" id="top"></a>
+<a name="up" id="up"></a>
+<a name="start" id="start"></a>
+<h1>Metadata Harvest - Authors (output organised by language &amp; filetype)</h1>
+<p>[<a href="../../index.html">&nbsp;HOME&nbsp;</a>] also see <a href="topics.html">Metadata Harvest - Topics</a></p>
+<p></p>
+<hr />
+<p class="tiny"><a href="../../en/manifest/authors.html">English</a>&nbsp;&nbsp;&nbsp;</p>
+<hr />
+<p><a href="#A">A</a>,&nbsp;<a href="#B">B</a>,&nbsp;<a href="#C">C</a>,&nbsp;<a href="#D">D</a>,&nbsp;<a href="#E">E</a>,&nbsp;<a href="#F">F</a>,&nbsp;<a href="#G">G</a>,&nbsp;<a href="#H">H</a>,&nbsp;<a href="#I">I</a>,&nbsp;<a href="#J">J</a>,&nbsp;<a href="#K">K</a>,&nbsp;<a href="#L">L</a>,&nbsp;<a href="#M">M</a>,&nbsp;<a href="#N">N</a>,&nbsp;<a href="#O">O</a>,&nbsp;<a href="#P">P</a>,&nbsp;<a href="#Q">Q</a>,&nbsp;<a href="#R">R</a>,&nbsp;<a href="#S">S</a>,&nbsp;<a href="#T">T</a>,&nbsp;<a href="#U">U</a>,&nbsp;<a href="#V">V</a>,&nbsp;<a href="#W">W</a>,&nbsp;<a href="#X">X</a>,&nbsp;<a href="#Y">Y</a>,&nbsp;<a href="#Z">Z</a>,&nbsp;
+#+END_SRC
+
+*** harvested authors html theme inserts
+
+#+NAME: harvested_authors_html_head_theme
+#+BEGIN_SRC d
+┃",
+  _opt_action.css_theme_default ? theme_light_0 : theme_dark_0,
+  _opt_action.css_theme_default ? theme_light_1 : theme_dark_1,
+) ~ "\n";
+      string[string] _au;
+      string[] _auth_date_title;
+      string[] _author_date_title;
+      string _prev_auth = "";
+      char _prev_k = "_".to!char;
+      foreach(doc_harvest;
+        harvests
+        .multiSort!(
+          "toUpper(a.author_surname_fn) < toUpper(b.author_surname_fn)",
+          "a.date_published < b.date_published",
+          "a.title < b.title",
+          SwapStrategy.unstable
+        )
+      ) {
+        if (doc_harvest.author_surname_fn != _prev_auth) {
+          _au[doc_harvest.author_surname_fn]
+          = format(q"┃<p class="author"><a name="%s" class="lev0">%s</a></p> <p class="publication">%s "<a href="%s">%s</a>" [%s]</p>┃",
+            doc_harvest.author_surname.translate([' ' : "_"]),
+            doc_harvest.author_surname_fn,
+            (doc_harvest.date_published.length > 0)
+              ? doc_harvest.date_published : "",
+            doc_harvest.path_html_segtoc,
+            doc_harvest.title,
+            doc_harvest.language,
+          );
+          _prev_auth = doc_harvest.author_surname_fn;
+        } else {
+          _au[doc_harvest.author_surname_fn]
+          ~= format(q"┃<p class="publication">%s "<a href="%s">%s</a>" [%s]</p>┃",
+            (doc_harvest.date_published.length > 0)
+              ? doc_harvest.date_published : "",
+            doc_harvest.path_html_segtoc,
+            doc_harvest.title,
+            doc_harvest.language,
+          );
+        }
+        _author_date_title ~= format(q"┃%s %s "%s" [%s]%s┃",
+          doc_harvest.author_surname_fn,
+          (doc_harvest.date_published.length > 0)
+            ? "(" ~ doc_harvest.date_published ~ ")" : "",
+          doc_harvest.title,
+          doc_harvest.language,
+          (_opt_action.very_verbose) ? "\n  " ~ doc_harvest.path_abs_html_scroll : "",
+        );
+      }
+      foreach (k; _au.keys.sort) {
+        if (k.toUpper.to!(char[])[0] != _prev_k) {
+          authors ~= format(q"┃<p class="letter"><a name="%s">%s</a></p><p class="book_index_lev1"><a name="a"></a></p>┃",
+            k.toUpper.to!(char[])[0],
+            k.toUpper.to!(char[])[0],
+          );
+          _prev_k = k.toUpper.to!(char[])[0];
+        }
+        authors ~= _au[k];
+      }
+#+END_SRC
+
+*** harvested authors write
+
+#+NAME: harvested_authors_html_write
+#+BEGIN_SRC d
+import doc_reform.output.paths_output;
+auto out_pth = DocReformPathsHTML!()(_make_and_meta_struct.conf.output_path, "");
+try {
+  auto f       = File(out_pth.harvest("authors.html"), "w");
+  foreach (o; authors) {
+    f.writeln(o);
+  }
+} catch (ErrnoException ex) {
+  // Handle error
+}
+if (_opt_action.verbose
+  || _opt_action.very_verbose
+) {
+  foreach(_adt; _author_date_title.sort) {
+    writeln(_adt);
+  }
+}
+#+END_SRC
+
+** harvested authors & topics shared html
+*** themes
+**** head
+
+#+NAME: harvested_html_themes
+#+BEGIN_SRC d
+string theme_dark_0 = format(q"┃
+  body {
+    color                    : #CCCCCC;
+    background               : #000000;
+    background-color         : #000000;
+  }
+  a:link {
+    color                    : #FFFFFF;
+    text-decoration          : none;
+  }
+  a:visited {
+    color                    : #999999;
+    text-decoration          : none;
+  }
+  a:hover {
+    color                    : #000000;
+    background-color         : #555555;
+  }
+  a:hover img {
+    background-color         : #000000;
+  }
+  a:active {
+    color                    : #888888;
+    text-decoration          : underline;
+  }
+  a.lev0:hover {
+    color                    : #FFFFFF;
+    background-color         : #000000;
+  }
+  a.lev1:hover {
+    color                    : #FFFFFF;
+    background               : #333333;
+  }
+  a.lev2:hover {
+    color                    : #FFFFFF;
+    background               : #555555;
+  }
+  a.lev3:hover {
+    color                    : #FFFFFF;
+    background               : #777777;
+  }
+┃");
+string theme_light_0 = format(q"┃
+  body {
+    color                    : #000000;
+    background               : #FFFFFF;
+    background-color         : #FFFFFF;
+  }
+  a:link {
+    color                    : #003399;
+    text-decoration          : none;
+  }
+  a:visited {
+    color                    : #003399;
+    text-decoration          : none;
+  }
+  a:hover {
+    color                    : #000000;
+    background-color         : #f9f9aa;
+  }
+  a:hover img {
+    background-color         : #FFFFFF;
+  }
+  a:active {
+    color                    : #003399;
+    text-decoration          : underline;
+  }
+  a.lev0:hover {
+    color                    : #000000;
+    background-color         : #FFFFFF;
+  }
+  a.lev1:hover {
+    color                    : #FFFFFF;
+    background               : #444444;
+  }
+  a.lev2:hover {
+    background               : #888888;
+  }
+  a.lev3:hover {
+    background               : #BBBBBB;
+  }
+┃");
+#+END_SRC
+
+**** levels
+
+#+NAME: harvested_html_themes
+#+BEGIN_SRC d
+string theme_dark_1 = format(q"┃
+  h1 {
+    color                    : #FFFFFF;
+    background               : #000000;
+  }
+  p.letter {
+    color                    : #FFFFFF;
+    background               : #333333;
+  }
+  p.lev0 {
+    color                    : #FFFFFF;
+    background               : #000000;
+  }
+  p.lev1 {
+    color                    : #FFFFFF;
+    background               : #333333;
+  }
+  p.lev2 {
+    background               : #555555;
+  }
+  p.lev3 {
+    background               : #777777;
+  }
+  p.lev4 {
+    background               : #AAAAAA;
+  }
+  p.lev5 {
+  }
+┃");
+string theme_light_1 = format(q"┃
+  h1 {
+    color                    : #FFFFFF;
+    background               : #000088;
+  }
+  p.letter {
+    color                    : #FFFFFF;
+    background               : #880000;
+  }
+  p.lev0 {
+    color                    : #FFFFFF;
+    background               : #000000;
+  }
+  p.lev1 {
+    color                    : #FFFFFF;
+    background               : #444444;
+  }
+  p.lev2 {
+    background               : #888888;
+  }
+  p.lev3 {
+    background               : #BBBBBB;
+  }
+  p.lev4 {
+    background               : #EEEEEE;
+  }
+  p.lev5 {
+  }
+┃");
+#+END_SRC
+
+*** harvested html head
+
+#+NAME: harvested_html_head
+#+BEGIN_SRC d
+<meta http-equiv="Content-Type" content="text/html;charset=utf-8" />
+<meta name="dc.title" content= "metadata harvest, Authors & Topics - information Structuring Universe, Structured information Serialised Units" />
+<meta name="dc.subject" content= "document structuring, ebook, publishing, PDF, LaTeX, XML, ODF, SQL, postgresql, sqlite, electronic book, electronic publishing, electronic document, electronic citation, data structure, citation systems, granular search, digital library" />
+<meta name="generator" content="spine" />
+<link rel="generator" href="http://sisudoc.org" />
+<link href="./css/harvest.css" rel="stylesheet">
+<style TYPE="text/css">
+/* DocReform harvest css default stylesheet */%s
+  .norm, .bold {
+    line-height              : 150%%;
+    margin-left              : 1em;
+    margin-right             : 2em;
+    margin-top               : 10px;
+    margin-bottom            : 0px;
+    text-indent              : 0mm;
+  }
+  p, h0, h1, h2, h3, h4, h5, h6, h7 {
+    display                  : block;
+    font-family              : verdana, arial, georgia, tahoma, sans-serif, helvetica, times, roman;
+    font-size                : 100%%;
+    font-weight              : normal;
+    line-height              : 150%%;
+    /* text-align            : justify; */
+    margin-left              : 1em;
+    text-indent              : 0mm;
+    margin-top               : 2px;
+    margin-bottom            : 2px;
+    margin-right             : 6px;
+    text-align               : left;
+  }
+  h0, h1, h2, h3, h4, h5, h6, h7 { text-shadow: .2em .2em .3em #999999; }
+  h1 {
+    font-size                : 120%%;
+    font-weight              : bold;
+    color                    : #FFFFFF;
+    background               : #000088;
+    margin-left              : 0em;
+  }
+  p.work {
+    font-size                : 80%%;
+    margin-left              : 5em;
+    margin-top               : 0px;
+    margin-bottom            : 0px;
+    margin-right             : 6px;
+    text-align               : left;
+  }
+  p.author {
+    font-size                : 100%%;
+    margin-left              : 2em;
+    margin-top               : 0px;
+    margin-bottom            : 0px;
+    margin-right             : 6px;
+    text-align               : left;
+  }
+  p.publication {
+    font-size                : 80%%;
+    margin-left              : 4em;
+    margin-top               : 0px;
+    margin-bottom            : 0px;
+    margin-right             : 6px;
+    text-align               : left;
+  }
+  p.letter {
+    font-weight              : bold;
+    font-size                : 60%%;
+    margin-left              : 1em;
+    margin-top               : 0px;
+    margin-bottom            : 0px;
+    margin-right             : 6px;
+    text-align               : left;
+  }
+  p.lev0 {
+    font-size                : 120%%;
+    margin-left              : 1em;
+  }
+  p.lev1 {
+    font-size                : 110%%;
+    margin-left              : 2em;
+  }
+  p.lev2 {
+    font-size                : 100%%;
+    margin-left              : 3em;
+  }
+  p.lev3 {
+    font-size                : 90%%;
+    margin-left              : 4em;
+  }
+  p.lev4 {
+    font-size                : 80%%;
+    margin-left              : 5em;
+  }
+  p.lev5 {
+    font-size                : 80%%;
+    margin-left              : 6em;
+  }%s
+</style>
+<link rel="shortcut icon" href="../_sisu/image/rb7.ico" />
+#+END_SRC
+
+*** harvested html bottom
+
+#+NAME: harvested_html_bottom
+#+BEGIN_SRC d
+      ~= format(q"┃
+<hr />
+<a name="bottom" id="bottom"></a>
+<a name="down" id="down"></a>
+<a name="end" id="end"></a>
+<a name="finish" id="finish"></a>
+<a name="stop" id="stop"></a>
+<a name="credits"></a>
+</body>
+</html>
+┃") ~ "\n";
+#+END_SRC
diff --git a/org/out_latex.org b/org/out_latex.org
new file mode 100644
index 0000000..f9c6d55
--- /dev/null
+++ b/org/out_latex.org
@@ -0,0 +1,1879 @@
+-*- mode: org -*-
+#+TITLE:       spine (doc_reform) output latex
+#+DESCRIPTION: documents - structuring, publishing in multiple formats & search
+#+FILETAGS:    :spine:output:latex:pdf:
+#+AUTHOR:      Ralph Amissah
+#+EMAIL:       [[mailto:ralph.amissah@gmail.com][ralph.amissah@gmail.com]]
+#+COPYRIGHT:   Copyright (C) 2015 - 2019 Ralph Amissah
+#+LANGUAGE:    en
+#+STARTUP:     indent content hideblocks hidestars
+#+OPTIONS:     H:3 num:nil toc:t \n:nil @:t ::t |:t ^:nil _:nil -:t f:t *:t <:t
+#+OPTIONS:     TeX:t LaTeX:t skip:nil d:nil todo:t pri:nil tags:not-in-toc
+#+OPTIONS:     author:nil email:nil creator:nil timestamp:nil
+#+PROPERTY:    header-args :results silent :padline no :exports code :cache no :noweb yes
+#+EXPORT_SELECT_TAGS:  export
+
+- [[./spine.org][spine]]  [[./][org/]]
+- [[./output_hub.org][output_hub]]
+
+* latex
+** _module template_                                        :latex:pdf:module:
+
+#+BEGIN_SRC d :tangle "../src/doc_reform/output/latex.d" :noweb yes
+module doc_reform.output.latex;
+template outputLaTeX() {
+  <<output_latex_imports>>
+  mixin InternalMarkup; // watch
+  mixin DocReformOutputRgxInit;
+  auto rgx = Rgx();
+  mixin DocReformLanguageCodes;
+  auto lang = Lang();
+  <<output_latex_shared>>
+<<output_latex_shared_0>>
+  <<output_latex_head>>
+  <<output_latex_head_1_format_string>>
+<<output_latex_head_1_tex>>
+  <<output_latex_head_1_format_string_variables>>
+  <<output_latex_head_0_format_string>>
+<<output_latex_head_0_tex>>
+  <<output_latex_head_0_format_string_variables>>
+  <<output_latex_head_close>>
+  <<output_latex_body>>
+  <<output_latex_tail>>
+<<output_latex_tail_tex>>
+  <<output_latex_tail_close>>
+  <<output_latex>>
+}
+#+END_SRC
+
+** write latex output                                            :latex:out:
+
+#+name: output_latex
+#+BEGIN_SRC d
+void writeOutputLaTeX(T,M)(
+  const T    latex_content,
+        M    doc_matters,
+) {
+  auto pth_latex = DocReformPathsLaTeX(doc_matters);
+  try {
+    { /+ debug +/
+      if (doc_matters.opt.action.debug_do
+      && doc_matters.opt.action.verbose) {
+        writeln(latex_content.head);
+        writeln(latex_content.content);
+        writeln(latex_content.tail);
+      }
+    }
+    if (!exists(pth_latex.latex_path_stuff)) {
+      (pth_latex.latex_path_stuff).mkdirRecurse;
+    }
+    if (!(doc_matters.opt.action.quiet)) {
+      writeln(" ", pth_latex.latex_file_with_path);
+    }
+    auto f = File(pth_latex.latex_file_with_path, "w");
+    f.writeln(latex_content.head);
+    f.writeln(latex_content.content);
+    f.writeln(latex_content.tail);
+    foreach (image; doc_matters.srcs.image_list) {
+      auto fn_src_in = doc_matters.src.image_dir_path ~ "/" ~ image;
+      auto fn_src_out_file = pth_latex.latex_path_stuff ~ "/" ~ image;
+      if (exists(fn_src_in)) {
+        fn_src_in.copy(fn_src_out_file);
+      }
+    }
+  } catch (ErrnoException ex) {
+    // handle error
+  }
+}
+#+END_SRC
+
+** latex output hub [#A]                                     :latex:pdf:out:
+
+#+name: output_latex
+#+BEGIN_SRC d
+void outputLaTeX(D,M)(
+  const    D   doc_abstraction,
+           M   doc_matters,
+) {
+  struct LaTeX {
+    string head;
+    string content;
+    string tail;
+  }
+  auto latex           = LaTeX();
+  latex.head           = latex_head(doc_matters);
+  latex.content        = latex_body(doc_abstraction, doc_matters);
+  latex.tail           = latex_tail(doc_matters);
+  latex.writeOutputLaTeX(doc_matters);
+}
+#+END_SRC
+
+* stuff
+** output imports
+
+#+name: output_latex_imports
+#+BEGIN_SRC d
+import doc_reform.output;
+import
+  std.digest.sha,
+  std.file,
+  std.outbuffer,
+  std.uri,
+  std.conv : to;
+#+END_SRC
+
+** shared
+*** paper dimensions (struct)
+
+#+name: output_latex_shared
+#+BEGIN_SRC d
+    auto paper() {
+      struct PaperType {
+        auto a4() {
+          struct A4 {
+            auto portrait() {
+              struct V {
+                uint w      = 160;
+                uint h      = 228;
+                uint img_px = 450;
+              }
+              return V();
+            }
+            auto landscape() {
+              struct H {
+                uint w      = 238;
+                uint h      = 160;
+                uint img_px = 300;
+              }
+              return H();
+            }
+          }
+          return A4();
+        }
+        auto a5() {
+          struct A5 {
+            auto portrait() {
+              struct V {
+                uint w      = 112;
+                uint h      = 162;
+                uint img_px = 280;
+              }
+              return V();
+            }
+            auto landscape() {
+              struct H {
+                uint w      = 152;
+                uint h      = 100;
+                uint img_px = 190;
+              }
+              return H();
+            }
+          }
+          return A5();
+        }
+        auto b4() {
+          struct B4 {
+            auto portrait() {
+              struct V {
+                uint w      = 140;
+                uint h      = 204;
+                uint img_px = 356;
+              }
+              return V();
+            }
+            auto landscape() {
+              struct H {
+                uint w      = 200;
+                uint h      = 130;
+                uint img_px = 260;
+              }
+              return H();
+            }
+          }
+          return B4();
+        }
+        auto letter() {
+          struct Letter {
+            auto portrait() {
+              struct V {
+                uint w      = 166;
+                uint h      = 212;
+                uint img_px = 468;
+              }
+              return V();
+            }
+            auto landscape() {
+              struct H {
+                uint w      = 226;
+                uint h      = 166;
+                uint img_px = 290;
+              }
+              return H();
+            }
+          }
+          return Letter();
+        }
+        auto legal() {
+          struct Legal {
+            auto portrait() {
+              struct V {
+                uint w      = 168;
+                uint h      = 286;
+                uint img_px = 474;
+              }
+              return V();
+            }
+            auto landscape() {
+              struct H {
+                uint w      = 296;
+                uint h      = 166;
+                uint img_px = 420;
+              }
+              return H();
+            }
+          }
+          return Legal();
+        }
+      }
+      return PaperType();
+    }
+#+END_SRC
+
+*** latex \escape special characters
+**** general
+
+#+name: output_latex_shared
+#+BEGIN_SRC d
+string sp_char_esc(O)(
+  string      _txt,
+  const    O  obj,
+) {
+  string _unescape_sp_char_esc()(string _txt) {
+    _txt = _txt
+      .replaceAll(rgx.latex_special_char_escaped,
+        format(q"┃%s┃", "$1"))
+      .replaceAll(rgx.latex_special_char_escaped_braced,
+        format(q"┃%s┃", "$1"));
+    return _txt;
+  }
+  string _unescape_fontface_esc()(string _txt) {
+    _txt = _txt.replaceAll(rgx.latex_identify_inline_fontface,
+         format(q"┃%s%s┃", "$1", "$2"));
+    return _txt;
+  }
+  if (obj.metainfo.is_a != "code") {
+    _txt = replaceAll!(m => "\\" ~ m[1])(_txt, rgx.latex_special_char_for_escape);
+    _txt = replaceAll!(m => "{\\" ~ m[1] ~ "}")(_txt, rgx.latex_special_char_for_escape_and_braces);
+    _txt = replaceAll!(m => _unescape_sp_char_esc(m[0]))(_txt, rgx.latex_identify_inline_link);
+    _txt = replaceAll!(m => _unescape_fontface_esc(m[0]))(_txt, rgx.latex_identify_inline_fontface);
+  }
+  return _txt;
+}
+#+END_SRC
+
+#+name: output_latex_shared
+#+BEGIN_SRC d
+string sp_char_esc_txt()(
+  string      _txt,
+) {
+  string _unescape_sp_char_esc()(string _txt) {
+    _txt = _txt
+      .replaceAll(rgx.latex_special_char_escaped,
+        format(q"┃%s┃", "$1"))
+      .replaceAll(rgx.latex_special_char_escaped_braced,
+        format(q"┃%s┃", "$1"));
+    return _txt;
+  }
+  string _unescape_fontface_esc()(string _txt) {
+    _txt = _txt.replaceAll(rgx.latex_identify_inline_fontface,
+         format(q"┃%s%s┃", "$1", "$2"));
+    return _txt;
+  }
+  _txt = replaceAll!(m => "\\" ~ m[1])(_txt, rgx.latex_special_char_for_escape);
+  _txt = replaceAll!(m => "{\\" ~ m[1] ~ "}")(_txt, rgx.latex_special_char_for_escape_and_braces);
+  _txt = replaceAll!(m => _unescape_sp_char_esc(m[0]))(_txt, rgx.latex_identify_inline_link);
+  _txt = replaceAll!(m => _unescape_fontface_esc(m[0]))(_txt, rgx.latex_identify_inline_fontface);
+  return _txt;
+}
+#+END_SRC
+
+*** not used latex \escape special characters
+
+#+BEGIN_SRC d
+string sp_char_esc()(
+  string      _txt,
+) {
+  _txt = replaceAll!(m => "\\" ~ m[1])(_txt, rgx.latex_special_char);
+  return _txt;
+}
+#+END_SRC
+
+*** inline markup
+**** fontface
+
+- bold, italics, underscore, strikethrough
+
+#+name: output_latex_shared
+#+BEGIN_SRC d
+string fontface()(
+  string      _txt,
+) {
+_txt = _txt
+  .replaceAll(rgx.inline_emphasis,    format(q"┃\begin{bfseries}%s\end{bfseries}┃", "$1"))
+  .replaceAll(rgx.inline_bold,        format(q"┃\begin{bfseries}%s\end{bfseries}┃", "$1"))
+  .replaceAll(rgx.inline_italics,     format(q"┃\emph{%s}┃",                        "$1"))
+  .replaceAll(rgx.inline_italics,     format(q"┃\uline{%s}┃",                       "$1"))
+  .replaceAll(rgx.inline_superscript, format(q"┃$$^{\textrm{%s}}$$┃",               "$1"))
+  .replaceAll(rgx.inline_subscript,   format(q"┃$$_{\textrm{%s}}$$┃",               "$1"))
+  .replaceAll(rgx.inline_strike,      format(q"┃\sout{%s}┃",                        "$1"))
+  .replaceAll(rgx.inline_insert,      format(q"┃\uline{%s}┃",                       "$1"))
+  .replaceAll(rgx.inline_mono,        format(q"┃\begin{monosp}%s\end{monosp}┃",     "$1"))
+  .replaceAll(rgx.inline_italics,     format(q"┃``%s''┃",                           "$1"));
+  return _txt;
+}
+#+END_SRC
+
+**** spaces
+***** leading hardspace
+
+#+name: output_latex_shared
+#+BEGIN_SRC d
+string leading_hardspaces()(
+  string      _txt,
+) {
+  string hardspaces(string _spaces) {
+    _spaces  = _spaces
+      .replaceAll(rgx.space, "\\hardspace ");
+    return _spaces;
+  }
+  _txt = replaceAll!(m => hardspaces(m[0]))(_txt, rgx.spaces_line_start);
+  return _txt;
+}
+#+END_SRC
+
+***** nbsp character
+
+#+name: output_latex_shared
+#+BEGIN_SRC d
+string nbsp_char()(string _txt) {
+  if (_txt.match(rgx.nbsp_char)) {
+    _txt  = _txt.replaceAll(rgx.nbsp_char, "\\hardspace ");
+  }
+  return _txt;
+}
+#+END_SRC
+
+***** remove nbsp character
+
+#+name: output_latex_shared
+#+BEGIN_SRC d
+string nbsp_char_to_space()(string _txt) {
+  if (_txt.match(rgx.nbsp_char)) {
+    _txt  = _txt.replaceAll(rgx.nbsp_char, " ");
+  }
+  return _txt;
+}
+#+END_SRC
+
+**** links and images
+***** links / urls
+
+#+name: output_latex_shared
+#+BEGIN_SRC d
+string links_and_images(O,M)(
+  string      _txt,
+  const    O  obj,
+           M  doc_matters,
+) {
+  if (obj.has.inline_links) { // TODO some images do not have inline links ... image without link
+    string _width_adjust(string _width) {
+      if (_width.to!int > 300) { _width = "300"; } // will need to vary max with papersize & orientation
+      return _width;
+    }
+    string _latex_image_path(string _image_path) {
+      auto pth_latex = DocReformPathsLaTeX(doc_matters);
+      _image_path = pth_latex.latex_path_stuff ~ "/" ~ _image_path;
+      return _image_path;
+    }
+    string _if_images(string _linked_content) {
+      if (_linked_content.match(rgx.inline_image_info)) {
+        _linked_content = replaceAll!(m =>
+            format(q"┃\includegraphics*[width=%spt]{%s}%s┃",
+              _width_adjust(m[2]), _latex_image_path(m[1]), " \\\\\n")
+          )(_linked_content, rgx.inline_image_info);
+      }
+      return _linked_content;
+    }
+    string _check_link(string _link) {
+      _link = _link
+        .replaceFirst(rgx.latex_clean_internal_link, "")
+        .replaceAll(rgx.latex_special_char_for_escape_url, "\\$1");
+      return _link;
+    }
+    if  (obj.metainfo.is_a != "code") {
+      _txt = replaceAll!(m =>
+          m[1] ~ "┤" ~ to!string((obj.stow.link[m[2].to!ulong])).encode ~ "├"
+        )(_txt, rgx.inline_link_number_only);
+      _txt = replaceAll!(m =>
+          ((m[1] == m[2]) && (m[2].match(rgx.uri)))
+          ? format(q"┃\begin{scriptsize}\lefthalfcap\url{%s}\righthalfcup\end{scriptsize}┃", _check_link(m[1]))
+          : (m[2].match(rgx.uri)) // ERROR
+            ? format(q"┃%s\href{%s}%s{%s}┃", "\\\\\n", _check_link(m[2]), "\n", _if_images(m[1]))
+            : format(q"┃\hyperlink{%s}{%s}┃", _check_link(m[2]), _if_images(m[1]))
+        )(_txt, rgx.inline_link);
+    }
+  }
+  return _txt;
+}
+#+END_SRC
+
+*** footnotes
+**** footnotes
+
+#+name: output_latex_shared
+#+BEGIN_SRC d
+string footnotes()(
+  string      _txt,
+) {
+  if (_txt.match(rgx.inline_notes_al_gen)) {
+    string _tex_note = q"┃\hypertarget{noteref_%s}{}\footnote[%s]{%%
+\label{note_%s}%s}┃";
+    _txt = _txt.replaceAll(rgx.inline_notes_al_regular_number_note,
+      format(_tex_note,
+        "$1", "$1", "$1",
+        "$2".strip
+      ).strip
+    );
+  }
+  return _txt;
+}
+#+END_SRC
+
+**** footnote remove
+
+#+name: output_latex_shared
+#+BEGIN_SRC d
+string remove_footnotes()(
+  string      _txt,
+) {
+  if (_txt.match(rgx.inline_notes_al_gen)) {
+    _txt = replaceAll!(m => "")(_txt, rgx.inline_notes_al_gen);
+  }
+  return _txt;
+}
+#+END_SRC
+
+*** para
+**** para
+
+#+name: output_latex_shared
+#+BEGIN_SRC d
+string para(O)(
+  string      _txt,
+  O           obj,
+) {
+  if (obj.metainfo.is_of_type == "para") {
+    string _tex_para;
+    _tex_para = q"┃\begin{tiny}\hspace{0mm}\end{tiny}{\marginpar{\begin{tiny}\hspace{0mm}\hypertarget{%s}{%s}\end{tiny}}}%s┃";
+    _txt  = format(_tex_para,
+      obj.metainfo.object_number,
+      obj.metainfo.object_number,
+      _txt.footnotes
+    ).strip;
+  }
+  return _txt;
+}
+#+END_SRC
+
+**** bookindex para
+
+#+name: output_latex_shared
+#+BEGIN_SRC d
+string bookindex(O)(
+  string      _txt,
+  O           obj,
+) {
+  if (obj.metainfo.is_of_type == "para"
+    && obj.metainfo.is_a == "bookindex"
+  ) {
+    string _tex_para;
+    _tex_para = q"┃%s┃";
+    _txt  = format(_tex_para,
+      _txt.replaceAll(rgx.latex_clean_bookindex_linebreak, "\n") ~ "\n\\\\\n"
+    );
+  }
+  return _txt;
+}
+#+END_SRC
+
+*** bullets & indentation
+
+#+name: output_latex_head
+#+BEGIN_SRC d
+string bullets_and_indentation(O)(
+  string      _txt,
+  O           obj,
+) {
+  string _tex_para;
+  string _hang; string _indent;
+  int _paper_margin = -10;
+  int _indent_increment = 8; // 5; 10;
+  if (obj.attrib.bullet) {
+    int _bullet_space = 5;
+    _indent = ((obj.attrib.indent_base * _indent_increment) + _paper_margin + _bullet_space).to!string;
+    _txt  = format(q"┃\begin{Bullet}{%smm}$\txtbullet$\hspace{\enspace}%s\end{Bullet}┃",
+      _indent,
+      _txt.footnotes
+    ).strip;
+  } else if (
+    obj.attrib.indent_base != 0
+    && obj.attrib.indent_base == obj.attrib.indent_hang
+  ) {
+    _indent = ((obj.attrib.indent_base * _indent_increment) + _paper_margin).to!string;
+    _tex_para = q"┃\begin{ParagraphIndent}{%smm}%s \end{ParagraphIndent}┃";
+    _txt = format(_tex_para,
+      _indent,
+      _txt.footnotes
+    ).strip;
+  } else if (
+    obj.attrib.indent_base != 0
+    || obj.attrib.indent_hang != 0
+  ) {
+    _indent = ((obj.attrib.indent_base * _indent_increment) + _paper_margin).to!string;
+    _hang = (((obj.attrib.indent_hang - obj.attrib.indent_base) * _indent_increment)).to!string;
+    _tex_para = q"┃\begin{ParagraphHang}{%smm}{%smm}%s \end{ParagraphHang}┃";
+    _txt = format(_tex_para,
+      _indent, _hang,
+      _txt.footnotes
+    ).strip;
+  }
+  return _txt;
+}
+#+END_SRC
+
+*** heading
+
+#+name: output_latex_shared_0
+#+BEGIN_SRC d
+  string heading(O,M)(
+    string      _txt,
+    O           obj,
+    M           doc_matters,
+    string      _part = ""
+  ) {
+    if (obj.metainfo.is_a == "heading") {
+      string _tex_para;
+      string _pg_break;
+      string _sect;
+      string _post;
+      string _title_add;
+      string _columns = "";
+      switch (obj.metainfo.heading_lev_markup) {
+      case 0: // A == TITLE
+        _pg_break = "\\begin{document}\n";
+        goto default;
+      case 1: // B == part: section heading level
+        _pg_break = "\\clearpage\n";
+        goto default;
+      case 2: // C == part: section heading level
+        _pg_break = "\\clearpage\n";
+        goto default;
+      case 3: // D == part: section heading level
+        _pg_break = "\\clearpage\n";
+        goto default;
+      case 4: // 1 == section
+        _columns = (_part != "bookindex")
+          ? "" : "\n\\\\\n\\begin{multicols}{2}";
+        _pg_break = "\\clearpage\n";
+        _sect = "section";
+        _post = "";
+        _title_add = format(q"┃
+\markboth{%s}{%s}┃",
+          doc_matters.conf_make_meta.meta.title_full,
+          doc_matters.conf_make_meta.meta.title_full,
+        );
+        goto default;
+      case 5: // 2 == subsection
+        _pg_break = "";
+        // _pg_break = "newpage"; // doubt this is necessary
+        _sect = "subsection";
+        _post = " \\\n";
+        _title_add = "";
+        goto default;
+      case 6: // 3 == subsubsection
+        _pg_break = "";
+        // _pg_break = "newpage"; // doubt this is necessary
+        _sect = "subsubsection";
+        _post = " \\\n";
+        _title_add = "";
+        goto default;
+      default:
+        if (obj.metainfo.heading_lev_markup == 0) {
+          _tex_para = q"┃\begin{document}
+\title{%s}
+\author{ \textnormal{%s}}
+\date{\begin{tiny}%s\end{tiny}}
+\pagenumbering{roman}\maketitle
+\pagestyle{fancy}
+\newpage
+\markboth{%s}{%s}
+\\\\[3]\ \linebreak Copyright {\begin{small}{\copyright\end{small}} %s \\
+%s
+\pagestyle{fancy}
+\clearpage┃";
+          _txt = format(_tex_para,
+            (doc_matters.conf_make_meta.meta.title_full).sp_char_esc_txt,
+            (doc_matters.conf_make_meta.meta.creator_author).sp_char_esc_txt,
+            (doc_matters.conf_make_meta.meta.date_published).sp_char_esc_txt,
+            (doc_matters.conf_make_meta.meta.title_main).sp_char_esc_txt,
+            (doc_matters.conf_make_meta.meta.title_full).sp_char_esc_txt,
+            (doc_matters.conf_make_meta.meta.rights_copyright).sp_char_esc_txt,
+            (doc_matters.conf_make_meta.meta.rights_license).sp_char_esc_txt,
+          );
+        } else if (obj.metainfo.heading_lev_markup < 4) {
+          _tex_para = q"┃%s\part*{\begin{tiny}\hspace{0mm}\end{tiny}{\marginpar{\begin{tiny}\hspace{0mm}\hypertarget{%s}{%s}\end{tiny}}}%s}
+\addcontentsline{toc}{part}{%s}
+\markboth{%s}┃";
+          _txt = format(_tex_para,
+            _pg_break,
+            obj.metainfo.object_number,
+            obj.metainfo.object_number,
+            _txt.strip.footnotes,
+            _txt.strip.remove_footnotes,
+            (doc_matters.conf_make_meta.meta.title_main).sp_char_esc_txt,
+          );
+        } else if (obj.metainfo.heading_lev_markup > 3) {
+          if (obj.metainfo.heading_lev_markup == 4
+          && _txt.match(regex(r"^Table of Contents$"))) {
+            _tex_para = q"┃
+\pagenumbering{none}
+\setcounter{page}{1}
+\setlength{\parskip}{1ex plus0.5ex minus0.2ex}
+\part*{\begin{tiny}\hspace{0mm}\end{tiny}{\marginpar{\begin{tiny}\hspace{0mm}\hypertarget{1}{1}\end{tiny}}}%s \newline %s}
+
+\clearpage
+\markboth{%s}{%s}
+\pagenumbering{gobble}
+\renewcommand{\contentsname}{}
+\tableofcontents
+\markboth{%s}{%s}
+
+\clearpage
+\pagenumbering{arabic}
+\setcounter{page}{1}
+\markboth{%s}{%s}
+%% \null
+\clearpage
+\setcounter{page}{1}┃";
+            _txt = format(_tex_para,
+              (doc_matters.conf_make_meta.meta.title_full).sp_char_esc_txt,
+              (doc_matters.conf_make_meta.meta.creator_author).sp_char_esc_txt,
+              (doc_matters.conf_make_meta.meta.title_main).sp_char_esc_txt,
+              (doc_matters.conf_make_meta.meta.title_main).sp_char_esc_txt,
+              (doc_matters.conf_make_meta.meta.title_full).sp_char_esc_txt,
+              (doc_matters.conf_make_meta.meta.title_full).sp_char_esc_txt,
+              (doc_matters.conf_make_meta.meta.title_full).sp_char_esc_txt,
+              (doc_matters.conf_make_meta.meta.title_full).sp_char_esc_txt,
+            );
+          } else if (obj.metainfo.heading_lev_markup == 4
+            && _part == "bookindex"
+            && _txt.match(regex(r"^Index$"))
+          ) {
+            _tex_para = q"┃%s\%s*{\begin{tiny}\hspace{0mm}\end{tiny}{\marginpar{\begin{tiny}\hspace{0mm}\hypertarget{%s}{%s}\end{tiny}}}%s}
+\addcontentsline{toc}{%s}{%s%s}%s%s┃";
+            _txt = format(_tex_para,
+              _pg_break,
+              _sect.strip,
+              obj.metainfo.object_number,
+              obj.metainfo.object_number,
+              _txt.footnotes.strip,
+              _sect,
+              _txt.remove_footnotes.strip,
+              _post,
+              _title_add,
+              _columns,
+            );
+          } else if (obj.metainfo.dummy_heading
+            && obj.metainfo.heading_lev_markup == 4
+          ) { /+ dummy headings completely omitted +/
+            _txt = "";
+          } else {
+            _tex_para = q"┃%s\%s*{\begin{tiny}\hspace{0mm}\end{tiny}{\marginpar{\begin{tiny}\hspace{0mm}\hypertarget{%s}{%s}\end{tiny}}}%s}
+\addcontentsline{toc}{%s}{%s%s}%s┃";
+            _txt = format(_tex_para,
+              _pg_break,
+              _sect.strip,
+              obj.metainfo.object_number,
+              obj.metainfo.object_number,
+              _txt.footnotes.strip,
+              _sect,
+              _txt.remove_footnotes.strip,
+              _post,
+              _title_add,
+            );
+          }
+        }
+        break;
+      }
+    }
+    return _txt.strip;
+  }
+#+END_SRC
+
+*** grouped text
+**** group
+
+- (hardspace not honored) clear hardspace marker
+
+#+name: output_latex_shared_0
+#+BEGIN_SRC d
+string group(O,M)(
+  string      _txt,
+  O           obj,
+  M           doc_matters,
+) {
+  if (obj.metainfo.is_a == "group") {
+    string _tex_para;
+    _tex_para = q"┃\begin{tiny}\hspace{0mm}\end{tiny}{\marginpar{\begin{tiny}\hspace{0mm}\hypertarget{%s}{%s}\end{tiny}}}\setlength{\parskip}{0.5ex plus0.2ex minus0.1ex}
+\begin{footnotesize}
+%s
+\end{footnotesize}
+┃";
+    _txt  = format(_tex_para,
+      obj.metainfo.object_number,
+      obj.metainfo.object_number,
+      _txt.footnotes.strip
+    ).strip;
+  }
+  return _txt;
+}
+#+END_SRC
+
+**** block
+
+- (hardspace honored) \hardspace
+
+#+name: output_latex_shared_0
+#+BEGIN_SRC d
+string block(O,M)(
+  string      _txt,
+  O           obj,
+  M           doc_matters,
+) {
+  if (obj.metainfo.is_a == "block") {
+    // _txt = _txt.nbsp_char;
+    string _tex_para;
+    _tex_para = q"┃\begin{tiny}\hspace{0mm}\end{tiny}{\marginpar{\begin{tiny}\hspace{0mm}\hypertarget{%s}{%s}\end{tiny}}}\setlength{\parskip}{0.5ex plus0.2ex minus0.1ex}
+\begin{footnotesize}
+%s
+\end{footnotesize}
+\setlength{\parskip}{1ex plus0.5ex minus0.2ex}
+┃"; // \hardspace
+    /+ try both: +/
+    _txt = _txt.split(rgx.br_newlines_linebreaks).join("\n\n"); // _txt = _txt.split(rgx.br_newlines_linebreaks).join(" \\\n");
+    _txt  = format(_tex_para,
+      obj.metainfo.object_number,
+      obj.metainfo.object_number,
+      _txt.nbsp_char.footnotes.strip
+    ).strip;
+  }
+  return _txt;
+}
+#+END_SRC
+
+**** verse
+
+- (hardspace honored) \hardspace
+
+#+name: output_latex_shared_0
+#+BEGIN_SRC d
+string verse(O,M)(
+  string      _txt,
+  O           obj,
+  M           doc_matters,
+) {
+  if (obj.metainfo.is_a == "verse") {
+    string _tex_para;
+    _tex_para = q"┃\begin{tiny}\hspace{0mm}\end{tiny}{\marginpar{\begin{tiny}\hspace{0mm}\hypertarget{%s}{%s}\end{tiny}}}\setlength{\parskip}{0.1ex plus0.1ex minus0.1ex}
+\begin{footnotesize}
+
+%s
+
+\end{footnotesize}
+\setlength{\parskip}{1ex plus0.5ex minus0.2ex}
+\linebreak
+┃"; // \hardspace
+    _txt  = format(_tex_para,
+      obj.metainfo.object_number,
+      obj.metainfo.object_number,
+      _txt.nbsp_char.footnotes.split("\n").join("\n\n").strip
+    ).strip;
+  }
+  return _txt;
+}
+#+END_SRC
+
+**** codeblock
+
+- (hardspace honored) \begin{lstlisting} clear hardspace marker
+
+#+name: output_latex_shared_0
+#+BEGIN_SRC d
+string codeblock(O,M)(
+  string      _txt,
+  O           obj,
+  M           doc_matters,
+) {
+  if (obj.metainfo.is_a == "code") {
+    string _tex_para;
+    _tex_para = q"┃\begin{tiny}\hspace{0mm}\end{tiny}{\marginpar{\begin{tiny}\hspace{0mm}\hypertarget{%s}{%s}\end{tiny}}}\setlength{\parskip}{0.5ex plus0.2ex minus0.1ex}\begin{Codeblock}
+\begin{lstlisting}
+%s
+\end{lstlisting}
+\end{Codeblock}
+\setlength{\parskip}{1ex plus0.5ex minus0.2ex}
+┃";
+    _txt  = format(_tex_para,
+      obj.metainfo.object_number,
+      obj.metainfo.object_number,
+      _txt.nbsp_char_to_space
+    ).strip;
+  }
+  return _txt;
+}
+#+END_SRC
+
+**** table
+
+- own set of rules
+
+***** tablarize
+
+#+name: output_latex_shared_0
+#+BEGIN_SRC d
+auto tablarize(O)(
+  string            _txt,
+  const        O    obj,
+) {
+  string[] _table_rows = (_txt).split(rgx.table_delimiter_row);
+  string[] _table_cols;
+  string _table;
+  string _tablenote;
+  foreach(row_idx, row; _table_rows) {
+    _table_cols = row.split(rgx.table_delimiter_col);
+      _table ~= "";
+      foreach(col_idx, cell; _table_cols) {
+        if ((_table_cols.length == 1)
+        && (_table_rows.length <= row_idx+2)) { // check row_idx+2 (rather than == ++row_idx)
+          _tablenote ~= cell;
+        } else {
+          // // _table ~= "\\bfseries ";
+          // _table ~= cell;
+          // _table ~= (_table_cols.length > (col_idx + 1)) ? "&" : "";
+          _table ~= format(q"┃%s%s┃",
+            cell,
+            (_table_cols.length > (col_idx + 1)) ? "&" : ""
+          );
+        }
+      }
+      _table ~= "\\\\";
+    }
+  auto t = tuple(
+    _table,
+    _tablenote,
+  );
+  return t;
+}
+#+END_SRC
+
+***** table
+
+#+name: output_latex_shared_0
+#+BEGIN_SRC d
+string table(O,M)(
+  string      _txt,
+  O           obj,
+  M           doc_matters,
+) {
+  if (obj.metainfo.is_a == "table") {
+    auto _t = _txt.tablarize(obj);
+    string _table = _t[0];
+    string _t_n = _t[1];
+    string papertype = "a4";
+    uint pw = 0;
+    switch (papertype) {
+    case "a4":     pw = (paper.a4.portrait.w     - 20); break;
+    case "a5":     pw = (paper.a5.portrait.w     - 20); break;
+    case "b4":     pw = (paper.b4.portrait.w     - 20); break;
+    case "letter": pw = (paper.letter.portrait.w - 20); break;
+    case "legal":  pw = (paper.legal.portrait.w  - 20); break;
+    default:       pw = 0;                              break;
+    }
+    // auto textwidth = (pw - 24);
+    string _colw = "";
+    foreach (w; obj.table.column_widths) {
+      _colw ~= format(q"┃p{%.0fmm}┃",
+        (w * pw / 100)
+        // (w * (pw - 24)/ 100)
+        // (w * textwidth / 100)
+      );
+    }
+    string _tex_para;
+    _tex_para = q"┃\begin{tiny}\hspace{0mm}\end{tiny}{\marginpar{\begin{tiny}\hspace{0mm}\hypertarget{%s}{%s}\end{tiny}}}
+\setlength{\LTleft}{0pt}
+\setlength{\LTright}{\fill}
+\begin{tiny}
+\begin{longtable}{%s}
+%s
+\end{longtable}
+\end{tiny}
+┃";
+    _txt  = format(_tex_para,
+      obj.metainfo.object_number,
+      obj.metainfo.object_number,
+      _colw,
+      _table,
+    ).strip;
+  }
+  return _txt;
+}
+#+END_SRC
+
+** latex parts
+*** latex head                                                       :head:
+**** latex head function
+
+#+name: output_latex_head
+#+BEGIN_SRC d
+string latex_head(M)(
+                        M    doc_matters,
+) {
+#+END_SRC
+
+**** latex head options
+***** paper type dimensions
+****** struct
+
+#+name: output_latex_head
+#+BEGIN_SRC d
+  struct paperType {
+    string a4_portrait;
+    string a4_landscape;
+    string us_letter_portrait;
+    string us_letter_landscape;
+  }
+  auto paper           = paperType();
+#+END_SRC
+
+****** footer
+
+#+name: output_latex_head
+#+BEGIN_SRC d
+  string _footer(M)(M doc_matters) {
+    string _ft = "\\lfoot[\\textrm{\\thepage}]";
+    string _ft_1 = format(q"┃{\tiny \href{%s}{%s}}┃", "http://sisudoc.org", "SiSU",);
+    string _ft_2 = format(q"┃
+\cfoot{\href{%s}{%s}}┃", "http://git.sisudoc.org", "git",);
+    if (doc_matters.conf_make_meta.make.footer.length > 0) {
+      if (doc_matters.conf_make_meta.make.footer.length > 0) {
+        if (doc_matters.conf_make_meta.make.footer[0].matchAll(rgx.inline_link)) {
+          _ft ~= doc_matters.conf_make_meta.make.footer[0]
+            .replace(rgx.inline_link, "{\\tiny \\href{$2}{$1}}");
+        } else {
+          _ft ~= _ft_1;
+        }
+      }
+      if (doc_matters.conf_make_meta.make.footer.length > 1) {
+        if (doc_matters.conf_make_meta.make.footer[1].matchAll(rgx.inline_link)) {
+          _ft ~= doc_matters.conf_make_meta.make.footer[1]
+            .replace(rgx.inline_link, "\n\\cfoot{\\href{$2}{$1}}");
+        } else {
+          _ft ~= _ft_2;
+        }
+      }
+    } else {
+      _ft ~= _ft_1;
+      _ft ~= _ft_2;
+    }
+    return _ft;
+  }
+#+END_SRC
+
+****** a4, portrait
+
+#+name: output_latex_head_1_format_string
+#+BEGIN_SRC d
+  paper.a4_portrait    = format(q"┃
+#+END_SRC
+
+#+name: output_latex_head_1_tex
+#+BEGIN_SRC latex
+\documentclass[12pt,a4paper,titlepage]{scrartcl}
+\setlength{\textheight}{228mm} \setlength{\textwidth}{160mm}
+#+END_SRC
+
+#+name: output_latex_head_1_tex
+#+BEGIN_SRC d
+┃",
+  );
+#+END_SRC
+
+****** a4, landscape
+
+#+name: output_latex_head_1_tex
+#+BEGIN_SRC d
+  paper.a4_landscape    = format(q"┃
+#+END_SRC
+
+#+name: output_latex_head_1_tex
+#+BEGIN_SRC latex
+\documentclass[11pt,a4paper,landscape,titlepage,twocolumn]{scrartcl}
+\setlength{\textheight}{160mm} \setlength{\textwidth}{238mm}
+#+END_SRC
+
+#+name: output_latex_head_1_tex
+#+BEGIN_SRC d
+┃",
+  );
+#+END_SRC
+
+****** us letter, portrait
+
+#+name: output_latex_head_1_tex
+#+BEGIN_SRC d
+  paper.us_letter_portrait    = format(q"┃
+#+END_SRC
+
+#+name: output_latex_head_1_tex
+#+BEGIN_SRC latex
+\documentclass[12pt,letterpaper,titlepage]{scrartcl}
+\setlength{\textheight}{212mm} \setlength{\textwidth}{166mm}
+#+END_SRC
+
+#+name: output_latex_head_1_tex
+#+BEGIN_SRC d
+┃",
+  );
+#+END_SRC
+
+****** us letter, landscape
+
+#+name: output_latex_head_1_tex
+#+BEGIN_SRC d
+  paper.us_letter_landscape    = format(q"┃
+#+END_SRC
+
+#+name: output_latex_head_1_tex
+#+BEGIN_SRC latex
+\documentclass[11pt,letterpaper,landscape,titlepage,twocolumn]{scrartcl}
+\setlength{\textheight}{166mm} \setlength{\textwidth}{226mm}
+#+END_SRC
+
+#+name: output_latex_head_1_tex
+#+BEGIN_SRC d
+┃",
+  );
+#+END_SRC
+
+***** paper margins
+****** struct
+
+#+name: output_latex_head_1_tex
+#+BEGIN_SRC d
+  struct paperMargins {
+    string portrait;
+    string landscape;
+  }
+  auto margins           = paperMargins();
+#+END_SRC
+
+****** portrait
+
+#+name: output_latex_head_1_tex
+#+BEGIN_SRC d
+  margins.portrait    = format(q"┃
+#+END_SRC
+
+#+name: output_latex_head_1_tex
+#+BEGIN_SRC latex
+\setlength{\oddsidemargin}{0mm} \setlength{\evensidemargin}{0mm}
+\setlength{\topmargin}{-12pt} \setlength{\headheight}{12pt}
+\setlength{\headsep}{35pt}
+#+END_SRC
+
+#+name: output_latex_head_1_tex
+#+BEGIN_SRC d
+┃",
+  );
+#+END_SRC
+
+****** landscape
+
+#+name: output_latex_head_1_tex
+#+BEGIN_SRC d
+  margins.landscape    = format(q"┃
+#+END_SRC
+
+#+name: output_latex_head_1_tex
+#+BEGIN_SRC latex
+\setlength{\oddsidemargin}{6mm} \setlength{\evensidemargin}{6mm}
+\setlength{\topmargin}{-12mm} \setlength{\headheight}{12pt}
+\setlength{\headsep}{20pt}
+#+END_SRC
+
+#+name: output_latex_head_1_tex
+#+BEGIN_SRC d
+┃",
+  );
+#+END_SRC
+
+***** multicol
+****** struct
+
+#+name: output_latex_head_1_tex
+#+BEGIN_SRC d
+  struct columnsMulti {
+    string portrait;
+    string landscape;
+  }
+  auto multicol           = columnsMulti();
+#+END_SRC
+
+****** portrait
+
+#+name: output_latex_head_1_tex
+#+BEGIN_SRC d
+  multicol.portrait    = format(q"┃
+#+END_SRC
+
+#+name: output_latex_head_1_tex
+#+BEGIN_SRC latex
+\usepackage{multicol}
+#+END_SRC
+
+#+name: output_latex_head_1_tex
+#+BEGIN_SRC d
+┃",
+  );
+#+END_SRC
+
+****** landscape
+
+#+name: output_latex_head_1_tex
+#+BEGIN_SRC d
+  multicol.landscape    = "";
+#+END_SRC
+
+***** color links
+****** struct
+
+#+name: output_latex_head_1_tex
+#+BEGIN_SRC d
+  struct colorLinks {
+    string mono;
+    string color;
+  }
+  auto links           = colorLinks();
+#+END_SRC
+
+****** mono
+
+#+name: output_latex_head_1_tex
+#+BEGIN_SRC d
+  links.mono    = format(q"┃
+#+END_SRC
+
+#+name: output_latex_head_1_tex
+#+BEGIN_SRC latex
+\usepackage[xetex,
+  colorlinks=true,
+  urlcolor=myblack,
+  filecolor=myblack,
+  linkcolor=myblack,
+#+END_SRC
+
+#+name: output_latex_head_1_tex
+#+BEGIN_SRC d
+┃",
+  );
+#+END_SRC
+
+****** color
+
+#+name: output_latex_head_1_tex
+#+BEGIN_SRC d
+  links.color    = format(q"┃
+#+END_SRC
+
+#+name: output_latex_head_1_tex
+#+BEGIN_SRC latex
+\usepackage[xetex,
+  colorlinks=true,
+  urlcolor=myblue,    %% \href{...}{...}   external url
+  filecolor=mygreen,  %% \href{...}        local file
+  linkcolor=myred,    %% \href{...} and \pageref{...}
+#+END_SRC
+
+#+name: output_latex_head_1_format_string_variables
+#+BEGIN_SRC d
+┃",
+  );
+#+END_SRC
+
+**** latex head starts
+
+#+name: output_latex_head_0_format_string
+#+BEGIN_SRC d
+  string _latex_head = format(q"┃%%%% DocReform LaTeX output
+#+END_SRC
+
+***** description comment
+
+#+name: output_latex_head_0_tex
+#+BEGIN_SRC latex
+%%%% Generated by: %s
+%%%% D version: %s
+%%%% LaTeX output last Generated on: %s
+%%%% %s %s
+
+#+END_SRC
+
+***** paper type (a4, letter, ...; ( portrait | landscape ))
+
+- paper.a4_portrait
+- paper.a4_landscape
+- paper.us_letter_portrait
+- paper.us_letter_landscape
+
+#+name: output_latex_head_0_tex
+#+BEGIN_SRC latex
+%s
+#+END_SRC
+
+***** paper margins (portrait | landscape)
+
+- margins.portrait
+- margins.landscape
+
+#+name: output_latex_head_0_tex
+#+BEGIN_SRC latex
+%s
+#+END_SRC
+
+***** margin shared
+
+#+name: output_latex_head_0_tex
+#+BEGIN_SRC latex
+\setlength{\marginparsep}{4mm}
+\setlength{\marginparwidth}{8mm}
+#+END_SRC
+
+***** multicol (portrait | landscape)
+
+#+name: output_latex_head_0_tex
+#+BEGIN_SRC latex
+%s
+#+END_SRC
+
+***** language & font
+
+#+name: output_latex_head_0_tex
+#+BEGIN_SRC latex
+\usepackage{polyglossia, ucs, fontspec, xltxtra, xunicode}
+\setmainlanguage{%s}
+\setotherlanguage{%s}
+\setmainfont{Liberation Sans}
+\setmonofont[Scale=0.85]{Liberation Mono}
+#+END_SRC
+
+%% \setsansfont{Liberation Sans}
+%% \setromanfont{Liberation Serif}
+
+***** latex head
+
+#+name: output_latex_head_0_tex
+#+BEGIN_SRC latex
+\usepackage{alltt}
+\usepackage{thumbpdf}
+#+END_SRC
+
+***** color links: no = mono | yes = color
+
+#+name: output_latex_head_0_tex
+#+BEGIN_SRC latex
+%s
+#+END_SRC
+
+***** metadata
+
+#+name: output_latex_head_0_tex
+#+BEGIN_SRC latex
+  pdftitle={%s},
+  pdfauthor={%s},
+  pdfsubject={%s},
+  pdfkeywords={},
+  pageanchor=true,
+  plainpages=true,
+  pdfpagelabels=true,
+  pagebackref,
+  bookmarks=true,
+  bookmarksopen=true,
+  pdfmenubar=true,
+  pdfpagemode=UseOutline,
+  pdffitwindow=true,
+  pdfwindowui=true,
+  plainpages=false,
+  pdfstartview=FitH
+]
+{hyperref}
+#+END_SRC
+
+%%  pdfusetitle=true,
+%%  pdfpagelayout=SinglePage,
+%%  pdfpagelayout=TwoColumnRight,
+%%  pdfpagelayout=TwoColumnLeft,
+%%  pdfstartpage=3,
+
+%%%% trace lost characters
+%% \tracinglostchars = 1
+%% \tracingonline = 1
+
+***** define colors
+
+#+name: output_latex_head_0_tex
+#+BEGIN_SRC latex
+\usepackage[usenames]{color}
+\definecolor{myblack}{rgb}{0,0,0}
+\definecolor{myred}{rgb}{0.75,0,0}
+\definecolor{mygreen}{rgb}{0,0.5,0}
+\definecolor{myblue}{rgb}{0,0,0.5}
+\definecolor{mywhite}{rgb}{1,1,1}
+#+END_SRC
+
+***** latex head
+
+#+name: output_latex_head_0_tex
+#+BEGIN_SRC latex
+\usepackage{url}
+\urlstyle{sf}
+#+END_SRC
+
+%%\usepackage{breakurl}
+
+***** latex head
+
+#+name: output_latex_head_0_tex
+#+BEGIN_SRC latex
+\usepackage{textcomp}
+\usepackage[parfill]{parskip}
+\usepackage[normalem]{ulem}
+\usepackage{soul}
+\usepackage{longtable}
+\usepackage[tc]{titlepic}
+\usepackage{graphicx}
+\makeatletter
+\parindent0pt
+\usepackage{amssymb}
+\usepackage{listings}
+\usepackage{color}
+\usepackage{textcomp}
+\setcounter{secnumdepth}{2}
+\setcounter{tocdepth}{4}
+\makeatletter
+#+END_SRC
+
+***** indent, bullet, list
+
+#+name: output_latex_head_0_tex
+#+BEGIN_SRC latex
+\usepackage[multiple,ragged]{footmisc}
+\setlength\footnotemargin{12pt}
+\usepackage[para]{manyfoot}
+\DeclareNewFootnote{A}
+\newenvironment{ParagraphIndent}[1]%%
+{
+\begin{list}{}{%%
+\setlength\topsep{0pt}%%
+\addtolength{\leftmargin}{#1}
+\setlength\parsep{0pt plus 1pt}%%
+}
+\item[]
+}
+{\end{list}}
+\newenvironment{ParagraphHang}[2]%%
+{
+\begin{list}{}{%%
+\setlength\topsep{0pt}%%
+\addtolength{\leftmargin}{#1}
+\itemindent=#2
+\setlength\parsep{0pt plus 1pt}%%
+}
+\item[]
+}
+{\end{list}}
+\newenvironment{Bullet}[1]%%
+{
+\begin{list}{}{%%
+\setlength\topsep{0pt}%%
+\addtolength{\leftmargin}{#1}
+\itemindent=-1em
+\setlength\parsep{0pt plus 1pt}%%
+}
+\item[]
+}
+{\end{list}}
+#+END_SRC
+
+%%\DeclareNewFootnote[para]{A}
+
+***** part, section, subsection, paragraph, subparagraph
+
+#+name: output_latex_head_0_tex
+#+BEGIN_SRC latex
+\usepackage{fancyhdr}
+\lhead{}
+\renewcommand{\part}{\@startsection
+  {part}{1}{-2mm}%%
+  {-\baselineskip}{0.5\baselineskip}%%
+  {\bfseries\large\upshape\raggedright}}
+\renewcommand{\section}{\@startsection
+  {section}{2}{-2mm}%%
+  {-\baselineskip}{0.5\baselineskip}%%
+  {\bfseries\large\upshape\raggedright}}
+\renewcommand{\subsection}{\@startsection
+  {subsection}{3}{-2mm}%%
+  {-\baselineskip}{0.5\baselineskip}%%
+  {\bfseries\large\upshape\raggedright}}
+\renewcommand{\subsubsection}{\@startsection
+  {subsubsection}{4}{-2mm}%%
+  {-\baselineskip}{0.5\baselineskip}%%
+  {\normalfont\normalsize\bfseries\raggedright}}
+\renewcommand{\paragraph}{\@startsection
+  {paragraph}{5}{-2mm}%%
+  {-\baselineskip}{0.5\baselineskip}%%
+  {\normalfont\normalsize\itshape\raggedright}}
+\renewcommand{\subparagraph}{\@startsection
+  {subparagraph}%%{6}%%{-2mm}%%
+  {-\baselineskip}{0.5\baselineskip}%%
+  {\normalfont\normalsize\itshape\raggedright}}
+#+END_SRC
+
+%% \makeatother
+
+***** latex head misc. including defined commands
+
+#+name: output_latex_head_0_tex
+#+BEGIN_SRC latex
+\selectlanguage{%s}
+\lhead[ ]{ }
+\chead[ \fancyplain{} \bfseries \footnotesize \leftmark ]{ \fancyplain{} \bfseries \footnotesize \rightmark }
+\rhead[ ]{ }
+%s
+\rfoot[\tiny \href{}{}]{\textrm{\thepage}}
+\tolerance=300
+\clubpenalty=300
+\widowpenalty=300
+\makeatother
+\makeatother
+\chardef\txtbullet="2022
+\chardef\tilde="7E
+\def\asterisk{{\rm \char42} }
+\definecolor{Light}{gray}{.92}
+\newcommand{\Codeblock}[1]{\normaltext\raggedright\small\ttfamily\texbackslash#1}
+\newcommand{\monosp}[1]{\normaltext\ttfamily\texbackslash#1}
+\newcommand{\parasep}{\\ \begin{center}*\hspace{2em}*\hspace{2em}*\end{center} \\}
+\newcommand{\hardspace}{{~}}
+\newcommand{\caret}{{\^{~}}}
+\newcommand{\pipe}{{\textbar}}
+\newcommand{\curlyopen}{{}
+\newcommand{\curlyclose}{}}
+\newcommand{\lt}{{UseTextSymbol{OML}{<}}}
+\newcommand{\gt}{{UseTextSymbol{OML}{>}}}
+\newcommand{\slash}{{/}}
+\newcommand{\underscore}{\_}
+\newcommand{\exclaim}{\Verbatim{!}}
+\definecolor{listinggray}{gray}{0.9}
+\definecolor{lbcolor}{rgb}{0.9,0.9,0.9}
+\lstset{
+  backgroundcolor=\color{lbcolor},
+  tabsize=4,
+  rulecolor=,
+  language=,
+  basicstyle=\scriptsize,
+  upquote=true,
+  aboveskip={1.5\baselineskip},
+  columns=fixed,
+  showstringspaces=false,
+  extendedchars=true,
+  breaklines=true,
+  prebreak = \raisebox{0ex}[0ex][0ex]{\ensuremath{\hookleftarrow}},
+  frame=single,
+  showtabs=false,
+  showspaces=false,
+  showstringspaces=false,
+  identifierstyle=\ttfamily,
+  keywordstyle=\color[rgb]{0,0,1},
+  commentstyle=\color[rgb]{0.133,0.545,0.133},
+  stringstyle=\color[rgb]{0.627,0.126,0.941},
+}
+#+END_SRC
+
+%%\chardef\asterisk="2A
+%%\newcommand{\hardspace}{\hspace{.5em}}
+
+**** latex head format inclusions
+
+#+name: output_latex_head_0_format_string_variables
+#+BEGIN_SRC d
+┃",
+  doc_matters.opt.action.debug_do ? "" : doc_matters.generator_program.name_and_version.strip,
+  doc_matters.opt.action.debug_do ? "" : doc_matters.generator_program.compiler.strip,
+  doc_matters.opt.action.debug_do ? "" : doc_matters.generator_program.stime.strip,
+  doc_matters.generator_program.project_name.strip,
+  doc_matters.generator_program.url_home.strip,
+  paper.a4_portrait.strip,
+  margins.portrait.strip,
+  multicol.portrait.strip,
+  lang.codes[doc_matters.src.language]["xlp"],
+  "english",
+  links.mono.strip, // links.color.strip,
+  doc_matters.conf_make_meta.meta.title_full.strip,
+  doc_matters.conf_make_meta.meta.creator_author.strip,
+  doc_matters.conf_make_meta.meta.classify_subject.strip,
+  lang.codes[doc_matters.src.language]["xlp"],
+  _footer(doc_matters),
+);
+#+END_SRC
+
+**** latex head return
+
+#+name: output_latex_head_close
+#+BEGIN_SRC d
+  return _latex_head.strip;
+}
+#+END_SRC
+
+*** ↻ latex body                                             :content:body:
+**** latex body function
+
+#+name: output_latex_body
+#+BEGIN_SRC d
+string latex_body(D,M)(
+  const    D   doc_abstraction,
+           M   doc_matters,
+) {
+  string _latex_body = "";
+  bool _multicolumns = false;
+  string _txt;
+#+END_SRC
+
+**** ↻ loop open
+
+#+name: output_latex_body
+#+BEGIN_SRC d
+  foreach (part; doc_matters.has.keys_seq.latex) {
+    foreach (obj; doc_abstraction[part]) {
+      switch (obj.metainfo.is_of_part) {
+#+END_SRC
+
+**** ↻ within loop
+***** frontmatter
+
+#+name: output_latex_body
+#+BEGIN_SRC d
+      case "frontmatter":              assert(part == "head" || "toc");
+        _txt = obj.text
+          .sp_char_esc(obj)
+          .fontface;
+        switch (obj.metainfo.is_of_type) {
+        case "para":
+          switch (obj.metainfo.is_a) {
+          case "heading":
+            _txt = _txt.heading(obj, doc_matters);
+            goto default;
+          case "toc":
+            break;
+          default:
+            _latex_body ~= _txt ~ "\n\n";
+            _txt = "";
+            break;
+          }
+          break;
+        default: break;
+        }
+        break;
+#+END_SRC
+
+***** body
+
+#+name: output_latex_body
+#+BEGIN_SRC d
+      case "body":                     assert(part == "body" || "head"); // surprise
+        _txt = obj.text
+          .sp_char_esc(obj)
+          .fontface;
+        switch (obj.metainfo.is_of_type) {
+        case "para":
+          switch (obj.metainfo.is_a) {
+          case "heading":
+            _txt = _txt.heading(obj, doc_matters);
+            goto default;
+          case "para":
+            _txt = _txt.para(obj)
+              .bullets_and_indentation(obj)
+              .links_and_images(obj, doc_matters);
+            goto default;
+          default:
+            _latex_body ~= _txt ~ "\n\n";
+            _txt = "";
+            break;
+          }
+          break;
+        case "block":
+          switch (obj.metainfo.is_a) {
+          case "quote":
+            goto default; // TODO
+          case "group":
+            /+ (hardspaces not honored) [remove any hardspace marker] +/
+            _txt = _txt.group(obj, doc_matters)
+              .links_and_images(obj, doc_matters);
+            goto default;
+          case "block":
+            /+ (hardspace honored) \hardspace +/
+            _txt = _txt.block(obj, doc_matters)
+              .links_and_images(obj, doc_matters);
+            goto default;
+          case "verse":
+            /+ (hardspace honored) \hardspace +/
+            _txt = _txt.verse(obj, doc_matters)
+              .links_and_images(obj, doc_matters);
+            goto default;
+          case "code":
+            /+ (hardspace honored) \begin{lstlisting} clear hardspace marker +/
+            _txt = _txt.codeblock(obj, doc_matters);
+            goto default;
+          case "table":
+            _txt = _txt.table(obj, doc_matters);
+            goto default; // TODO
+          default:
+            _latex_body ~= _txt ~ "\n\n";
+            _txt = "";
+            break;
+          }
+          break;
+        default: break;
+        }
+        break;
+#+END_SRC
+
+***** backmatter
+
+#+name: output_latex_body
+#+BEGIN_SRC d
+      case "backmatter":
+        assert(part == "endnotes" || "glossary" || "bibliography" || "bookindex" || "blurb" || "tail");
+        _txt = obj.text
+          .sp_char_esc(obj)
+          .fontface;
+        switch (obj.metainfo.is_of_type) {
+        case "para":
+          if (part != "bookindex" && _multicolumns) {
+            _multicolumns = false;
+            _latex_body ~= "\n\\end{multicols}\n";
+          }
+          switch (obj.metainfo.is_a) {
+          case "heading":
+            if (part == "bookindex") {
+              _multicolumns = true;
+            }
+            _txt = _txt.heading(obj, doc_matters, part);
+            goto default;
+          case "endnote":              assert(part == "endnotes");
+            _txt = _txt.para(obj)
+              .bullets_and_indentation(obj)
+              .links_and_images(obj, doc_matters);
+            goto default;
+          case "glossary":             assert(part == "glossary");
+            _txt = _txt.para(obj)
+              .bullets_and_indentation(obj)
+              .links_and_images(obj, doc_matters);
+            goto default;
+          case "bibliography":         assert(part == "bibliography");
+            _txt = _txt.para(obj)
+              .bullets_and_indentation(obj);
+            goto default;
+          case "bookindex":            assert(part == "bookindex");
+            /+ two column, special section +/
+            _txt = _txt.bookindex(obj)
+              .links_and_images(obj, doc_matters);
+            goto default;
+          case "blurb":                assert(part == "blurb");
+            _txt = _txt.para(obj)
+              .bullets_and_indentation(obj)
+              .links_and_images(obj, doc_matters);
+            goto default;
+          default:
+            _latex_body ~= (part == "bookindex" && obj.metainfo.is_a != "heading")
+              ? _txt : (_txt ~ "\n\n");
+            _txt = "";
+            break;
+          }
+          break;
+        default: break;
+        }
+        break;
+#+END_SRC
+
+***** after
+
+#+name: output_latex_body
+#+BEGIN_SRC d
+      case "comment":
+        break;
+      default:
+        { /+ debug +/
+          if (doc_matters.opt.action.debug_do
+          && doc_matters.opt.action.verbose) {
+            writeln(__FILE__, ":", __LINE__, ": ", obj.metainfo.is_of_part);
+            writeln(__FILE__, ":", __LINE__, ": ", obj.metainfo.is_a);
+            writeln(__FILE__, ":", __LINE__, ": ", obj.text);
+          }
+        }
+        break;
+      }
+    }
+  }
+  if (_multicolumns) {
+    _multicolumns = false;
+    _latex_body ~= "\n\\end{multicols}\n";
+  }
+#+END_SRC
+
+**** latex body return
+
+#+name: output_latex_body
+#+BEGIN_SRC d
+  return _latex_body;
+}
+#+END_SRC
+
+*** latex tail                                                       :tail:
+**** latex tail function
+
+#+name: output_latex_tail
+#+BEGIN_SRC d
+string latex_tail(M)(
+                        M    doc_matters,
+) {
+#+END_SRC
+
+**** latex tail starts
+
+#+name: output_latex_tail
+#+BEGIN_SRC d
+  string _latex_tail = format(q"┃
+#+END_SRC
+
+***** latex tail format inclusions
+
+
+***** latex document end
+
+#+name: output_latex_tail_tex
+#+BEGIN_SRC latex
+
+\end{document}
+#+END_SRC
+
+**** latex tail format inclusions
+
+#+name: output_latex_tail_close
+#+BEGIN_SRC d
+┃",
+  // doc_matters.conf_make_meta.meta.title_full,
+  // doc_matters.conf_make_meta.meta.creator_author,
+);
+#+END_SRC
+
+**** latex tail return
+
+#+name: output_latex_tail_close
+#+BEGIN_SRC d
+  return _latex_tail;
+}
+#+END_SRC
+
+* latex system command helper script
+** latex command, ruby script
+
+#+BEGIN_SRC ruby :tangle "../util/dr_tex.rb"  :tangle-mode (identity #o755) :shebang #!/usr/bin/env ruby
+require 'fileutils'
+pwd = Dir.pwd
+argv,texfiles_with_path,flags=[],[],[]
+lngs = %{(am|bg|bn|br|ca|cs|cy|da|de|el|en|eo|es|et|eu|fi|fr|ga|gl|he|hi|hr|hy|ia|is|it|ja|ko|la|lo|lt|lv|ml|mr|nl|no|nn|oc|pl|pt|pt_BR|ro|ru|sa|se|sk|sl|sq|sr|sv|ta|te|th|tk|tr|uk|ur|vi|zh)}
+Regexp.new(lngs, Regexp::IGNORECASE)
+argv=$*
+argv.sort.each{|y| (y =~/^--\S+$/i) ? (flags << y) : (texfiles_with_path << y) }
+if flags.length==0 \
+|| flags.inspect =~/"--help"/
+  cmd=(/([^\/]+)$/).match($0)[1]
+  puts <<WOK
+#{cmd} --help
+#{cmd} --out=[output path]
+#{cmd} --paper-size=a5 --out=~/test
+WOK
+end
+paper_size = (flags.inspect.match(/"--paper-size=(a4|a5|b5|letter|legal)"/)) ? $1 : "a4"
+out_path = Dir.pwd
+if (flags.inspect.match(/"--out=\S+"/))
+  out_path = flags.inspect.match(/"--out=(\S+)"/)[1]
+  unless (FileTest.directory?(out_path))
+    puts "Creating output directory: --out=#{out_path}"
+    FileUtils::mkdir_p(out_path)
+    unless (FileTest.directory?(out_path))
+      puts "FAILS unable to create directory: #{out_path}"
+      exit
+    end
+  end
+end
+if texfiles_with_path.length == 0
+  texfiles_with_path=Dir.glob('*.tex')
+end
+if texfiles_with_path.length > 0
+  texfiles_with_path.each do |texfile_with_path|
+    if texfile_with_path =~/.+\.tex/
+      #puts texfile_with_path
+      if FileTest.file?(texfile_with_path)
+        file_basename_with_path = texfile_with_path.sub(/\.tex$/,'')
+        file_basename = file_basename_with_path.sub(/.*?([^\/]+)$/,'\1')
+        _out_path = out_path
+        if file_basename =~ /\.#{lngs}$/
+          lng = file_basename.match(/\.#{lngs}$/)[1]
+          puts file_basename
+          puts lng
+          puts _out_path
+          unless _out_path.match(/\/#{lng}\/pdf$/)
+            _out_path = "#{out_path}/#{lng}/pdf"
+            FileUtils::mkdir_p(_out_path)
+          end
+        end
+        texpdf_cmd = %{xetex -interaction=batchmode -fmt=xelatex -papersize=#{paper_size} #{texfile_with_path}\n}
+        puts texpdf_cmd
+        2.times { |i| system(texpdf_cmd) }
+        if (FileTest.file?(%{#{pwd}/#{file_basename}.pdf})) && (FileTest.directory?(_out_path))
+          FileUtils::Verbose::mv(%{#{pwd}/#{file_basename}.pdf}, %{#{_out_path}/#{file_basename}.pdf})
+          puts (%{#{_out_path}/#{file_basename}.pdf})
+        else
+          puts "issue with pdf file or output directory"
+          puts "pdf file:   #{pwd}/#{file_basename}.pdf}"
+          puts "output dir: #{_out_path}/"
+        end
+        suffix = ['log', 'out', 'toc', 'aux']
+        suffix.each { |s| FileUtils::rm_f(%{#{pwd}/#{file_basename}.#{s}})}
+      end
+    end
+  end
+end
+Dir.chdir(pwd)
+__END__
+#+END_SRC
diff --git a/org/out_odt.org b/org/out_odt.org
new file mode 100644
index 0000000..0a7f93d
--- /dev/null
+++ b/org/out_odt.org
@@ -0,0 +1,2517 @@
+-*- mode: org -*-
+#+TITLE:       doc_reform output odt
+#+DESCRIPTION: documents - structuring, publishing in multiple formats & search
+#+FILETAGS:    :spine:output:xml:odt:
+#+AUTHOR:      Ralph Amissah
+#+EMAIL:       [[mailto:ralph.amissah@gmail.com][ralph.amissah@gmail.com]]
+#+COPYRIGHT:   Copyright (C) 2015 - 2019 Ralph Amissah
+#+LANGUAGE:    en
+#+STARTUP:     indent content hideblocks hidestars
+#+OPTIONS:     H:3 num:nil toc:t \n:nil @:t ::t |:t ^:nil _:nil -:t f:t *:t <:t
+#+OPTIONS:     TeX:t LaTeX:t skip:nil d:nil todo:t pri:nil tags:not-in-toc
+#+OPTIONS:     author:nil email:nil creator:nil timestamp:nil
+#+PROPERTY:    header-args :results silent :padline no :exports code :cache no :noweb yes
+#+EXPORT_SELECT_TAGS:  export
+
+- [[./spine.org][spine]]  [[./][org/]]
+- [[./output_hub.org][output_hub]]
+
+* odt                                                                   :odt:
+
+- cover object types
+- zip contents
+- xml closures? unnecessary, this is sax rather than dom no?
+
+|---------------------------------+-----------------------+-------------------+------------------------+------------------|
+| function                        | filename              | module            | variable               | output_odt       |
+|---------------------------------+-----------------------+-------------------+------------------------+------------------|
+| identify doc filetype           | mimetype              | odt_mimetypes     | mimetypes              | output_odt_fixed |
+|---------------------------------+-----------------------+-------------------+------------------------+------------------|
+| doc manifest                    | manifest.rdf          |                   |                        | output_odt_fixed |
+|---------------------------------+-----------------------+-------------------+------------------------+------------------|
+| settings                        | settings.xml          | outputODTsettings |                        | output_odt_fixed |
+|---------------------------------+-----------------------+-------------------+------------------------+------------------|
+| doc xml styles                  | styles.xml            | outputODTstyles   |                        | output_odt_fixed |
+|---------------------------------+-----------------------+-------------------+------------------------+------------------|
+| identify doc root * (imagelist) | META-INF/manifest.xml | odt_container_xml | meta_inf_container_xml |                  |
+|---------------------------------+-----------------------+-------------------+------------------------+------------------|
+| doc content *                   | content.xml           | odt_content       | content_odt            |                  |
+|---------------------------------+-----------------------+-------------------+------------------------+------------------|
+| images *                        | Pictures/             |                   |                        | copy_odt_images  |
+|---------------------------------+-----------------------+-------------------+------------------------+------------------|
+| doc meta * (timestamp)          | meta.xml              | odt_metadata      |                        |                  |
+|---------------------------------+-----------------------+-------------------+------------------------+------------------|
+
+** _module template_                                          :odf:odt:module:
+
+#+BEGIN_SRC d :tangle "../src/doc_reform/output/odt.d" :noweb yes
+module doc_reform.output.odt;
+template formatODT() {
+  <<output_imports>>
+  mixin DocReformOutputRgxInit;
+  struct formatODT {
+    static auto rgx = Rgx();
+    <<odt_format_objects>>
+  }
+}
+template outputODT() {
+  <<output_imports>>
+  mixin InternalMarkup;
+  mixin DocReformOutputRgxInit;
+  auto rgx = Rgx();
+  // mixin outputXmlODT;
+  <<output_odt_variable_content_xml>>
+  <<output_odt_variable_manifest_xml>>
+  <<output_odt_variable_copy_odt_images>>
+  <<output_odt_variable_meta_xml>>
+  <<output_odt_fixed_dirtree>>
+  <<output_odt_fixed_mimetype>>
+  <<output_odt_fixed_manifest_rdf>>
+  <<output_odt_fixed_settings_xml>>
+  <<output_odt_fixed_styles_xml>>
+  <<output_odt_write>>
+  <<output_odt>>
+}
+#+END_SRC
+
+** odt format objects
+*** detail
+**** odf structure
+
+- unless code
+  - images
+  - links
+    - internal / relative
+    - external
+
+**** object attrib
+***** tags
+
+#+name: odt_format_objects
+#+BEGIN_SRC d
+string _tags(O)(const O obj){
+  string _tags = "";
+  if (obj.tags.anchor_tags.length > 0) {
+    foreach (tag_; obj.tags.anchor_tags) {
+      if (tag_.length > 0) {
+        _tags ~= format(q"┃<text:span text:style-name="Span_subscript">
+    <text:bookmark-start text:name="%s"/>
+    <text:bookmark-end text:name="%s"/>
+  </text:span>
+┃",
+          _special_characters(tag_, obj),
+          _special_characters(tag_, obj),
+        );
+      }
+    }
+  }
+  return _tags;
+}
+#+END_SRC
+
+****** anchor tags
+
+#+name: odt_format_objects
+#+BEGIN_SRC d
+string _xhtml_anchor_tags(O)(O obj) {
+  const(string[]) anchor_tags = obj.tags.anchor_tags;
+  string tags="";
+  if (anchor_tags.length > 0) {
+    foreach (tag; anchor_tags) {
+      if (!(tag.empty)) {
+        tags ~= "<a name=\"" ~ tag ~ "\"></a>";
+      }
+    }
+  }
+  return tags;
+}
+#+END_SRC
+
+***** ocn object number display
+
+#+name: odt_format_objects
+#+BEGIN_SRC d
+string obj_num(O)(const O obj){ // TODO
+  string _on;
+  _on = (obj.metainfo.object_number.empty)
+  ? ""
+  : (format(q"┃
+  <text:span text:style-name="Span_subscript">「%s」</text:span>┃",
+      obj.metainfo.object_number,
+    ));
+  return _on;
+}
+#+END_SRC
+
+***** footnotes
+
+#+name: odt_format_objects
+#+begin_src d
+string _footnotes()(string _txt){
+  static auto rgx = Rgx();
+  _txt = _txt.replaceAll(
+    rgx.inline_notes_al_regular_number_note,
+    format(q"┃<text:note text:id="ftn%s" text:note-class="footnote">
+  <text:note-citation>
+    %s
+  </text:note-citation>
+  <text:note-body>
+    <text:p text:style-name="Footnote">
+      %s
+    </text:p>
+  </text:note-body>
+</text:note>┃",
+      "$1", "$1", "$2",
+    )
+  );
+  return _txt;
+}
+#+end_src
+
+***** bullet
+
+#+name: odt_format_objects
+#+BEGIN_SRC d
+string _bullet(O)(const O obj){
+  string _b = "";
+  if (obj.attrib.bullet) {
+    _b = format(q"┃● ┃",);
+  }
+  return _b;
+}
+#+END_SRC
+
+***** para (with bullet, indent levels, footnotes extracted)
+
+#+name: odt_format_objects
+#+BEGIN_SRC d
+string _indent(O)(string _txt, const O obj) { // TODO
+  // if (obj.attrib.indent_base > 0 ||
+  //   obj.attrib.indent_hang > 0
+  // ) {
+  if (obj.metainfo.is_a == "toc") {
+    _txt = format(q"┃
+%s<text:h text:style-name="H_%s" text:outline-level="%s">
+  %s%s%s
+</text:h>┃",
+      (obj.attrib.indent_base < 4)
+      ? "<text:p text:style-name=\"Standard\"/>\n    " : "",
+      obj.attrib.indent_base,
+      obj.attrib.indent_base,
+      _tags(obj),
+      _txt,
+      obj_num(obj),
+    );
+  } else if (!empty(obj.metainfo.object_number)) {
+    if (obj.attrib.indent_base == 0 && obj.attrib.indent_hang == 0) {
+      _txt = format(q"┃
+<text:p text:style-name="P_normal">%s
+  <text:span text:style-name="Span_subscript">
+    <text:bookmark-start text:name="%s"/>
+    <text:bookmark-end text:name="%s"/>
+  </text:span>
+  %s%s%s
+</text:p>┃",
+        _bullet(obj),
+        obj.metainfo.object_number,
+        obj.metainfo.object_number,
+        _tags(obj),
+        _txt,
+        obj_num(obj),
+      );
+    } else if (obj.attrib.indent_base == obj.attrib.indent_hang) {
+      _txt = format(q"┃
+<text:p text:style-name="P_indent_%s">%s
+  <text:span text:style-name="Span_subscript">
+    <text:bookmark-start text:name="%s"/>
+    <text:bookmark-end text:name="%s"/>
+  </text:span>
+  %s%s%s
+</text:p>┃",
+        obj.attrib.indent_base,
+        _bullet(obj),
+        obj.metainfo.object_number,
+        obj.metainfo.object_number,
+        _tags(obj),
+        _txt,
+        obj_num(obj),
+      );
+    } else {
+      _txt = format(q"┃
+<text:p text:style-name="P_h%s_i%s">%s
+  <text:span text:style-name="Span_subscript">
+    <text:bookmark-start text:name="%s"/>
+    <text:bookmark-end text:name="%s"/>
+  </text:span>
+  %s%s%s
+</text:p>┃",
+        obj.attrib.indent_base,
+        obj.attrib.indent_hang,
+        _bullet(obj),
+        obj.metainfo.object_number,
+        obj.metainfo.object_number,
+        _tags(obj),
+        _txt,
+        obj_num(obj),
+      );
+    }
+  } else {
+    if (obj.attrib.indent_base == 0 && obj.attrib.indent_hang == 0) { /+ can omit and would explicitly set indent base and hang as 0 each below +/
+      _txt = format(q"┃
+<text:p text:style-name="P_normal">%s
+  %s%s%s
+</text:p>┃",
+        _bullet(obj),
+        _tags(obj),
+        _txt,
+        obj_num(obj),
+      );
+    } else if (obj.attrib.indent_base == obj.attrib.indent_hang) {
+      _txt = format(q"┃
+<text:p text:style-name="P_indent_%s">%s
+  %s%s%s
+</text:p>┃",
+        obj.attrib.indent_base,
+        _bullet(obj),
+        _tags(obj),
+        _txt,
+        obj_num(obj),
+      );
+    } else {
+      _txt = format(q"┃
+<text:p text:style-name="P_h%s_i%s">%s
+  %s%s%s
+</text:p>┃",
+        _bullet(obj),
+        obj.attrib.indent_base,
+        obj.attrib.indent_hang,
+        _tags(obj),
+        _txt,
+        obj_num(obj),
+      );
+    }
+  }
+  return _txt;
+}
+#+END_SRC
+
+***** block type
+
+#+name: odt_format_objects
+#+BEGIN_SRC d
+string _block_type_delimiters(O)(string[] _block_lines, const O obj) { // TODO
+  string _block = "";
+  foreach (i, _line; _block_lines) {
+    _line = _footnotes(_line);
+    if (i == 0) {
+      _block ~= format(q"┃
+<text:p text:style-name="P_group">%s
+    <text:span text:style-name="Span_subscript">
+      <text:bookmark-start text:name="%s"/>
+      <text:bookmark-end text:name="%s"/>
+    </text:span>
+  %s
+</text:p>┃",
+        _bullet(obj),
+        obj.metainfo.object_number,
+        obj.metainfo.object_number,
+        // _tags(obj),
+        _line,
+      );
+    } else {
+      _block ~= format(q"┃
+<text:p text:style-name="P_group">%s</text:p>┃",
+        _line);
+    }
+  }
+  _block ~= format(q"┃
+<text:p text:style-name="P_group">
+  <text:span text:style-name="Span_subscript">「%s」</text:span>
+</text:p>
+<text:p text:style-name="Standard"/>┃",
+    obj_num(obj));
+  return _block;
+}
+#+END_SRC
+
+**** object inline
+
+***** special characters
+
+#+name: odt_format_objects
+#+BEGIN_SRC d
+string _special_characters(O)(string _txt, const O obj) {
+  _txt = _txt
+    .replaceAll(rgx.xhtml_ampersand,    "&amp;")
+    .replaceAll(rgx.xhtml_quotation,    "&#34;")
+    .replaceAll(rgx.xhtml_less_than,    "&lt;")
+    .replaceAll(rgx.xhtml_greater_than, "&gt;")
+    .replaceAll(rgx.nbsp_char,          "&#160;");
+  return _txt;
+}
+#+END_SRC
+
+***** preserve white space
+
+#+name: odt_format_objects
+#+BEGIN_SRC d
+string _preserve_white_spaces(O)(string _txt, const O obj) {
+  if (obj.metainfo.is_a == "code" || obj.metainfo.is_a == "verse" || obj.metainfo.is_a == "block") {
+    _txt = _txt
+      .replaceAll(rgx.space,      "&#160;");
+  }
+  return _txt;
+}
+#+END_SRC
+
+***** font_face
+
+#+name: odt_format_objects
+#+BEGIN_SRC d
+string _font_face(string _txt){
+  _txt = _txt
+    .replaceAll(rgx.inline_strike,      "<del>$1</del>")
+    .replaceAll(rgx.inline_insert,      "<ins>$1</ins>")
+    .replaceAll(rgx.inline_cite,        "<cite>$1</cite>")
+    .replaceAll(rgx.inline_emphasis,    format(q"┃<text:span text:style-name="Span_bold">%s</text:span>┃","$1"))
+    .replaceAll(rgx.inline_bold,        format(q"┃<text:span text:style-name="Span_bold">%s</text:span>┃","$1"))
+    .replaceAll(rgx.inline_italics,     format(q"┃<text:span text:style-name="Span_italic">%s</text:span>┃","$1"))
+    .replaceAll(rgx.inline_underscore,  format(q"┃<text:span text:style-name="Span_underscore">%s</text:span>┃","$1"))
+    .replaceAll(rgx.inline_superscript, format(q"┃<text:span text:style-name="Span_superscript">%s</text:span>┃","$1"))
+    .replaceAll(rgx.inline_subscript,   format(q"┃<text:span text:style-name="Span_subscript">%s</text:span>┃","$1"))
+    .replaceAll(rgx.inline_mono,        format(q"┃<text:span text:style-name="Span_monospace">%s</text:span>┃","$1"));
+  return _txt;
+}
+#+END_SRC
+
+***** object number
+
+#+name: odt_format_objects
+#+BEGIN_SRC d
+auto _obj_num(O)(O obj) { // NOT USED YET
+  struct objNum {
+    string reference() {
+      return format(q"┃<text:span text:style-name="Span_subscript">
+    <text:bookmark-start text:name="%s"/>
+    <text:bookmark-end text:name="%s"/>
+  </text:span>┃",
+        obj.object_number,
+        obj.object_number,
+      );
+    }
+    string display() {
+      return format(q"┃<text:span text:style-name="Span_subscript">
+  %s%s%s
+  </text:span>┃",
+        on_o,
+        obj.object_number,
+        on_c,
+      );
+    }
+  }
+  return objNum();
+}
+#+END_SRC
+
+***** break page
+
+#+name: odt_format_objects
+#+BEGIN_SRC d
+string _break_page()() {
+  return format(q"┃
+<text:p text:style-name="P_normal_page_new"/>
+┃",
+  );
+}
+#+END_SRC
+
+#+BEGIN_SRC d
+string _break_page()() {
+  return format(q"┃
+<text:p text:style-name="P_page_break"> </text:p>
+<text:p text:style-name="P_normal_page_new"/>┃",
+  );
+}
+#+END_SRC
+
+***** empty lines break
+
+#+name: odt_format_objects
+#+BEGIN_SRC d
+string _empty_line_break(O)(string _txt, const O obj) {
+  if (obj.metainfo.is_a == "code" || obj.metainfo.is_a == "verse" || obj.metainfo.is_a == "block") {
+    _txt = _txt
+      .replaceAll(rgx.br_empty_line,    "<br />");
+  }
+  return _txt;
+}
+#+END_SRC
+
+***** links: url, mail
+
+#+name: odt_format_objects
+#+BEGIN_SRC d
+string _links(O)(string _txt, const O obj) {
+  if (obj.metainfo.is_a != "code") {
+    if (obj.metainfo.is_a == "toc") {
+      _txt = replaceAll!(m =>
+         m[1] ~ "┤"
+         ~ (replaceAll!(n =>
+             n["type"] ~ n["path"] ~ (n["file"].encodeComponent)
+           )((obj.stow.link[m["num"].to!ulong]).to!string, rgx.uri_identify_components))
+         ~ "├"
+      )(_txt, rgx.inline_link_number_only)
+        .replaceAll(rgx.inline_link,
+          format(q"┃<text:bookmark-ref text:reference-format="text" text:ref-name="%s">%s</text:bookmark-ref>┃",
+            _special_characters("$3", obj),
+            _special_characters("$1", obj)
+          ));
+    } else {
+      _txt = replaceAll!(m =>
+         m[1] ~ "┤"
+         ~ (replaceAll!(n =>
+             n["type"] ~ n["path"] ~ (n["file"].encodeComponent)
+           )((obj.stow.link[m["num"].to!ulong]).to!string, rgx.uri_identify_components))
+         ~ "├"
+      )(_txt, rgx.inline_link_number_only)
+        .replaceAll(rgx.inline_link,
+          format(q"┃<text:a xl:type="simple" xl:href="%s">%s</text:a>┃",
+            _special_characters("$2", obj),
+            _special_characters("$1", obj)
+          ));
+    }
+  }
+  debug(links) {
+    if (obj.text.match(rgx.inline_link_number)
+      && _txt.match(rgx.inline_link_number_only)
+    ) {
+        writeln(">>    ", _txt);
+        writeln("is_a: ", obj.metainfo.is_a);
+    }
+  }
+  return _txt;
+}
+#+END_SRC
+
+***** image
+
+#+name: odt_format_objects
+#+BEGIN_SRC d
+string _images(O)(string _txt, const O obj) {
+  if (_txt.match(rgx.inline_image)) {
+    _txt = _txt
+      .replaceAll(rgx.inline_image,
+        ("$1<draw:frame draw:style-name=\"fr1\" draw:name=\"graphics12\" text:anchor-type=\"as-char\" svg:width=\"$4px\" svg:height=\"$5px\" draw:z-index=\"2\"><draw:image xl:href=\"Pictures/$3\" xl:type=\"simple\" xl:show=\"embed\" xl:actuate=\"onLoad\"/></draw:frame> $6"))
+      .replaceAll(
+        rgx.inline_link_empty,
+        ("$1"));
+  }
+  return _txt;
+}
+#+END_SRC
+
+**** markup hub (including font face)
+
+#+name: odt_format_objects
+#+BEGIN_SRC d
+string markup(O)(const O obj) {
+  /+ markup TODO +/
+  string _txt = obj.text;
+  _txt = _special_characters(_txt, obj);     // TODO & why both obj & obj.text, consider also in output_xmls.org
+  if (obj.metainfo.is_a == "code" || obj.metainfo.is_a == "verse" || obj.metainfo.is_a == "block") {
+    _txt = replaceAll!(m => _preserve_white_spaces(m[1], obj))(_txt, rgx.spaces_keep);
+  } // check that this does what you want, keep: leading spaces (indent) & more than single spaces within text
+  // _txt = _preserve_white_spaces(_txt, obj);  // (obj.metainfo.is_a == "code" || obj.metainfo.is_a == "verse" || obj.metainfo.is_a == "block")
+  _txt = _font_face(_txt);
+  _txt = _images(_txt, obj);                  // (obj.metainfo.is_a != "code")
+  _txt = _links(_txt, obj);                  // (obj.metainfo.is_a != "code")
+  _txt = _empty_line_break(_txt, obj);       // (obj.metainfo.is_a == "code" || obj.metainfo.is_a == "verse" || obj.metainfo.is_a == "block")
+  return _txt;
+}
+#+END_SRC
+
+*** objects
+**** para type
+***** heading
+
+#+name: odt_format_objects
+#+BEGIN_SRC d
+string heading(O,M)(
+  const        O  obj,
+  const        M  doc_matters,
+) {
+  assert(obj.metainfo.is_of_part    == "body" || "frontmatter" || "backmatter");
+  assert(obj.metainfo.is_of_section == "body" || "toc" || "endnotes" || "glossary" || "bibliography" || "bookindex" || "blurb");
+  assert(obj.metainfo.is_of_type    == "para");
+  assert(obj.metainfo.is_a          == "heading");
+  string _o_txt_odt = markup(obj);
+  if (obj.metainfo.dummy_heading
+    && (obj.metainfo.is_a == "toc" || obj.metainfo.is_a == "heading")) {
+    _o_txt_odt = "";
+  } else if (obj.metainfo.is_a == "toc") {
+    _o_txt_odt = format(q"┃%s<text:h text:style-name="H_%s" text:outline-level="%s">
+  %s%s%s
+</text:h>┃",
+      _break_page,
+      obj.metainfo.heading_lev_markup,
+      obj.metainfo.heading_lev_markup,
+      _tags(obj),
+      _o_txt_odt,
+      obj_num(obj),
+    );
+  } else {
+    _o_txt_odt = _footnotes(_o_txt_odt);
+    _o_txt_odt = format(q"┃%s<text:h text:style-name="H_%s" text:outline-level="%s">
+  <text:span text:style-name="Span_subscript">
+    <text:bookmark-start text:name="%s"/>
+    <text:bookmark-end text:name="%s"/>
+  </text:span>
+  %s%s%s
+</text:h>┃",
+      _break_page,
+      obj.metainfo.heading_lev_markup,
+      obj.metainfo.heading_lev_markup,
+      obj.metainfo.object_number,
+      obj.metainfo.object_number,
+      _tags(obj),
+      _o_txt_odt,
+      obj_num(obj),
+    );
+  }
+  return _o_txt_odt;
+}
+#+END_SRC
+
+***** para
+
+#+name: odt_format_objects
+#+BEGIN_SRC d
+string para(O,M)(
+  const        O  obj,
+  const        M  doc_matters,
+) {
+  assert(obj.metainfo.is_of_part    == "body" || "frontmatter" || "backmatter");
+  assert(obj.metainfo.is_of_section == "body" || "toc" || "endnotes" || "glossary" || "bibliography" || "bookindex" || "blurb");
+  assert(obj.metainfo.is_of_type    == "para");
+  assert(obj.metainfo.is_a          == "para" || "toc" || "endnotes" || "glossary" || "bibliography" || "bookindex" || "blurb");
+  string _o_txt_odt;
+  if (obj.metainfo.dummy_heading
+    && (obj.metainfo.is_a == "toc" || obj.metainfo.is_a == "heading")) {
+    _o_txt_odt = "";
+  } else {
+    _o_txt_odt = markup(obj);
+    _o_txt_odt = _footnotes(_o_txt_odt);
+    _o_txt_odt = _indent(_o_txt_odt, obj); // final setting?
+  }
+  return _o_txt_odt;
+}
+#+END_SRC
+
+**** block type
+***** quote
+
+#+name: odt_format_objects
+#+BEGIN_SRC d
+string quote(O,M)(
+  const        O  obj,
+  const        M  doc_matters,
+) {
+  assert(obj.metainfo.is_of_part    == "body");
+  assert(obj.metainfo.is_of_section == "body" || "glossary" || "bibliography" || "bookindex" || "blurb");
+  assert(obj.metainfo.is_of_type    == "block");
+  assert(obj.metainfo.is_a          == "quote");
+  string _o_txt_odt = markup(obj);
+  _o_txt_odt = _footnotes(_o_txt_odt); // decide
+  return _o_txt_odt;
+}
+#+END_SRC
+
+***** group
+- group delimiter
+  - preserves double newlines (paragraph delimiter)
+- the "group" delimiter is different from the "block" delimiter in that groups do not preserve whitespace, the "block" mark does
+
+#+name: odt_format_objects
+#+BEGIN_SRC d
+string group(O,M)(
+  const        O  obj,
+  const        M  doc_matters,
+) {
+  assert(obj.metainfo.is_of_part    == "body");
+  assert(obj.metainfo.is_of_section == "body" || "glossary" || "bibliography" || "bookindex" || "blurb");
+  assert(obj.metainfo.is_of_type    == "block");
+  assert(obj.metainfo.is_a          == "group");
+  string _o_txt_odt = markup(obj);
+  /+ TODO
+    - split lines
+      - only double newlines (paragraph delimiter), (not line breaks, single new lines)
+    - no hard space indentation
+  +/
+  string[] _block_lines = (_o_txt_odt).split(rgx.br_newlines_linebreaks);
+  _o_txt_odt = _block_type_delimiters(_block_lines, obj);
+  return _o_txt_odt;
+}
+#+END_SRC
+
+***** block
+- block delimiter
+  - preserves spaces
+  - preserves newlines
+- the "block" delimiter is different from the "group" delimiter, in that blocks preserve whitespace, the "group" mark does not
+
+-
+  - split lines
+    - each line including empty lines
+  - hard space indentation
+    - "^[ ]" &#160;
+    - count number only at beginning of line and replace each
+
+#+name: odt_format_objects
+#+BEGIN_SRC d
+string block(O,M)(
+  const        O  obj,
+  const        M  doc_matters,
+) {
+  assert(obj.metainfo.is_of_part    == "body");
+  assert(obj.metainfo.is_of_section == "body" || "glossary" || "bibliography" || "bookindex" || "blurb");
+  assert(obj.metainfo.is_of_type    == "block");
+  assert(obj.metainfo.is_a          == "block");
+  string _o_txt_odt = markup(obj);
+  string[] _block_lines = (_o_txt_odt).split(rgx.br_newlines_linebreaks);
+  _o_txt_odt = _block_type_delimiters(_block_lines, obj);
+  return _o_txt_odt;
+}
+#+END_SRC
+
+***** verse
+- poem delimiters
+  - creates verses where double newlines occur (paragraph delimiter)
+  - preserves spaces
+  - preserves newlines
+
+#+name: odt_format_objects
+#+BEGIN_SRC d
+string verse(O,M)(
+  const        O  obj,
+  const        M  doc_matters,
+) {
+  assert(obj.metainfo.is_of_part    == "body");
+  assert(obj.metainfo.is_of_section == "body" || "glossary" || "bibliography" || "bookindex" || "blurb");
+  assert(obj.metainfo.is_of_type    == "block");
+  assert(obj.metainfo.is_a          == "verse");
+  string _o_txt_odt = markup(obj);
+  string[] _block_lines = (_o_txt_odt).split(rgx.br_newlines_linebreaks);
+  _o_txt_odt = _block_type_delimiters(_block_lines, obj);
+  return _o_txt_odt;
+}
+#+END_SRC
+
+***** code
+
+#+name: odt_format_objects
+#+BEGIN_SRC d
+string code(O,M)(
+  const        O  obj,
+  const        M  doc_matters,
+) {
+  assert(obj.metainfo.is_of_part    == "body");
+  assert(obj.metainfo.is_of_section == "body");
+  assert(obj.metainfo.is_of_type    == "block");
+  assert(obj.metainfo.is_a          == "code");
+  string _o_txt_odt = markup(obj);
+  /+ TODO
+    - split lines
+      - each line including empty lines
+    - hard space indentation
+      - "^[ ]" &#160;
+      - count number only at beginning of line and replace each
+  +/
+  string[] _block_lines = (_o_txt_odt).split(rgx.br_newlines_linebreaks);
+  string _block = "";
+  foreach (i, _line; _block_lines) {
+    if (i == 1) {
+      _block ~= format(q"┃
+<text:p text:style-name="P_code">
+<text:span text:style-name="Span_subscript">
+  <text:bookmark-start text:name="%s"/>
+  <text:bookmark-end text:name="%s"/>
+</text:span>
+%s
+</text:p>┃",
+        obj.metainfo.object_number,
+        obj.metainfo.object_number,
+        _line,
+      );
+    } else {
+      _block ~= format(q"┃
+<text:p text:style-name="P_code">%s</text:p>┃",
+        _line);
+    }
+  }
+  _block ~= format(q"┃
+<text:p text:style-name="P_group">
+  <text:span text:style-name="Span_subscript">「%s」</text:span>
+</text:p>
+<text:p text:style-name="Standard"/>┃",
+     obj_num(obj));
+  _o_txt_odt = _block;
+  return _o_txt_odt;
+}
+#+END_SRC
+
+***** table
+****** tablarize
+
+#+name: odt_format_objects
+#+BEGIN_SRC d
+auto tablarize(O)(
+  const        O    obj,
+  string            _txt,
+) {
+  string[] _table_rows = (_txt).split(rgx.table_delimiter_row);
+  string[] _table_cols;
+  string _table;
+  string _tablenote;
+  foreach(row_idx, row; _table_rows) {
+    _table_cols = row.split(rgx.table_delimiter_col);
+      _table ~= "<table:table-row>";
+      foreach(col_idx, cell; _table_cols) {
+        if ((_table_cols.length == 1)
+        && (_table_rows.length <= row_idx+2)) { // check row_idx+2 (rather than == ++row_idx)
+          _tablenote ~= cell;
+        } else {
+          _table ~= format(q"┃<table:table-cell office:value-type="string">
+<text:p text:style-name="%s">
+%s
+</text:p>
+</table:table-cell>┃",
+            (row_idx == 0 && obj.table.heading) ? "Table_Heading" : "P_table_cell",
+            cell,
+          );
+        }
+      }
+      _table ~= "</table:table-row>";
+    }
+  auto t = tuple(
+    _table,
+    _tablenote,
+  );
+  return t;
+}
+#+END_SRC
+
+****** table
+
+#+name: odt_format_objects
+#+BEGIN_SRC d
+int _table_number = 0;
+string table(O,M)(
+  const        O  obj,
+  const        M  doc_matters,
+) {
+  assert(obj.metainfo.is_of_part    == "body");
+  assert(obj.metainfo.is_of_section == "body");
+  assert(obj.metainfo.is_of_type    == "block");
+  assert(obj.metainfo.is_a          == "table");
+  string _o_txt_odt = markup(obj);
+  auto t = tablarize(obj, _o_txt_odt);
+  string _note = t[1];
+  _o_txt_odt = format(q"┃
+<table:table table:name="Table%s" table:style-name="Table1">
+  <text:span text:style-name="Span_subscript">
+    <text:bookmark-start text:name="%s"/>
+    <text:bookmark-end text:name="%s"/>
+  </text:span>
+  <table:table-column table:style-name="Table1.D" table:number-columns-repeated="%s"/>
+      %s
+    </table:table>
+    <text:p text:style-name="P_group">
+  <text:span text:style-name="Span_subscript">「%s」</text:span>
+</text:p>┃",
+    _table_number++,
+    obj.metainfo.object_number,
+    obj.metainfo.object_number,
+    obj.table.number_of_columns,
+    t[0],
+    obj.metainfo.object_number,
+    // _note,
+  );
+  return _o_txt_odt;
+}
+#+END_SRC
+
+** write odt output                                            :odf:odt:out:
+
+#+name: output_odt
+#+BEGIN_SRC d
+void writeOutputODT(W,I)(
+  const W    odt_content,
+        I    doc_matters,
+) {
+  auto pth_odt = DocReformPathsODT!()(doc_matters);
+  auto fn_odt = pth_odt.odt_file;
+  auto zip = new ZipArchive(); // ZipArchive zip = new ZipArchive();
+  void ODTzip()(string contents, string fn) {
+    auto zip_arc_member_file = new ArchiveMember();
+    zip_arc_member_file.name = fn;
+    auto zip_data = new OutBuffer();
+    (doc_matters.opt.action.debug_do)
+    ? zip_data.write(contents.dup)
+    : zip_data.write(contents.dup
+      .replaceAll(rgx.spaces_line_start, "")
+      .replaceAll(rgx.newline, "")
+      .strip
+    );
+    zip_arc_member_file.expandedData = zip_data.toBytes();
+    zip.addMember(zip_arc_member_file);
+    createZipFile!()(fn_odt, zip.build());
+  }
+  try {
+    if (!exists(pth_odt.base_pth)) { // check
+      pth_odt.base_pth.mkdirRecurse;
+    }
+    string fn;
+    File f;
+    { fn = pth_odt.mimetype("zip");
+      ODTzip(odt_content.mimetype, fn);
+    }
+    { fn = pth_odt.manifest_rdf("zip");
+      ODTzip(odt_content.manifest_rdf, fn);
+    }
+    { fn = pth_odt.settings_xml("zip");
+      ODTzip(odt_content.settings_xml, fn);
+    }
+    { fn = pth_odt.styles_xml("zip");
+      ODTzip(odt_content.styles_xml, fn);
+    }
+    { fn = pth_odt.content_xml("zip");
+      ODTzip(odt_content.content_xml, fn);
+    }
+    { fn = pth_odt.manifest_xml("zip");
+      ODTzip(odt_content.manifest_xml, fn);
+    }
+    { fn = pth_odt.meta_xml("zip");
+      ODTzip(odt_content.meta_xml, fn);
+    }
+    { /+ (images) +/
+      foreach (image; doc_matters.srcs.image_list) {
+        auto fn_src = doc_matters.src.image_dir_path ~ "/" ~ image;
+        auto fn_out = pth_odt.image_dir("zip") ~ "/" ~ image;
+        if (exists(fn_src)) {
+          {
+            auto zip_arc_member_file = new ArchiveMember();
+            zip_arc_member_file.name = fn_out;
+            auto zip_data = new OutBuffer();
+            zip_data.write(cast(char[]) ((fn_src).read));
+            zip_arc_member_file.expandedData = zip_data.toBytes();
+            zip.addMember(zip_arc_member_file);
+            createZipFile!()(fn_odt, zip.build());
+          }
+        }
+      }
+    }
+    if (!(doc_matters.opt.action.quiet)) {
+      writeln(" ", pth_odt.odt_file);
+    }
+  } catch (ErrnoException ex) {
+    // Handle error
+  }
+  if (doc_matters.opt.action.debug_do) {
+    pth_odt.mimetype("fs");     /+ (mimetype) +/
+    pth_odt.manifest_rdf("fs"); /+ (manifest.rdf) +/
+    pth_odt.settings_xml("fs"); /+ (settings.xml) +/
+    pth_odt.styles_xml("fs");   /+ (styles_xml) +/
+
+    pth_odt.content_xml("fs");
+    pth_odt.manifest_xml("fs");
+    pth_odt.meta_xml("fs");
+  }
+}
+#+END_SRC
+
+** odt output hub [#A]                                         :odf:odt:out:
+
+#+name: output_odt
+#+BEGIN_SRC d
+void outputODT(D,I)(
+  const    D   doc_abstraction,
+           I   doc_matters,
+) {
+  struct ODT {
+  /+ fixed output +/
+    string mimetype;
+    string manifest_rdf;
+    string settings_xml;
+    string styles_xml;
+  /+ variable output +/
+    string content_xml;    // substantive content
+    string manifest_xml;   // image list changes
+    string meta_xml;       // time stamp
+  }
+  // auto pth_odt          = DocReformPathsODT!()(doc_matters);
+  auto odt         = ODT();
+  odt.mimetype     = mimetype;
+  odt.manifest_rdf = manifest_rdf;
+  odt.settings_xml = settings_xml;
+  odt.styles_xml   = styles_xml;
+  odt.content_xml  = content_xml(doc_abstraction, doc_matters);
+  odt.manifest_xml = manifest_xml(doc_matters);
+  odt.meta_xml     = meta_xml(doc_matters);
+  odt.writeOutputODT(doc_matters);
+  dirtree(doc_matters);
+  images_cp(doc_matters);                       // copy images
+}
+#+END_SRC
+
+* stuff
+** shared
+*** output imports
+
+#+name: output_imports
+#+BEGIN_SRC d
+import doc_reform.output;
+import
+  std.digest.sha,
+  std.file,
+  std.outbuffer,
+  std.uri,
+  std.zip,
+  std.conv : to;
+import
+  doc_reform.output.create_zip_file,
+  doc_reform.output.xmls,
+  doc_reform.output.xmls_css;
+#+END_SRC
+
+*** make directory tree
+
+#+name: output_odt_fixed_dirtree
+#+BEGIN_SRC d
+void dirtree(I)(
+  I   doc_matters,
+) {
+  auto pth_odt = DocReformPathsODT!()(doc_matters);
+  if (doc_matters.opt.action.debug_do) { /+ (dir tree) +/
+    if (!exists(pth_odt.meta_inf_dir("fs"))) {
+      pth_odt.meta_inf_dir("fs").mkdirRecurse;
+    }
+    if (!exists(pth_odt.image_dir("fs"))) {
+      pth_odt.image_dir("fs").mkdirRecurse;
+    }
+  }
+  if (!exists(pth_odt.base_pth)) {
+    pth_odt.base_pth.mkdirRecurse;
+  }
+  // return 0;
+}
+#+END_SRC
+
+** fixed items
+*** mimetype                                                     :mimetype:
+
+#+name: output_odt_fixed_mimetype
+#+BEGIN_SRC d
+string mimetype() {
+  string mimetype_ = format(q"┃application/vnd.oasis.opendocument.text┃");
+  return mimetype_;
+}
+#+END_SRC
+
+*** manifest.rdf                                             :manifest_rdf:
+
+#+name: output_odt_fixed_manifest_rdf
+#+BEGIN_SRC d
+string manifest_rdf() {
+  string _manifest_rdf = format(q"┃<?xml version="1.0" encoding="utf-8"?>
+#+END_SRC
+
+#+name: output_odt_fixed_manifest_rdf
+#+BEGIN_SRC xml
+<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#">
+  <rdf:Description rdf:about="styles.xml">
+    <rdf:type rdf:resource="http://docs.oasis-open.org/ns/office/1.2/meta/odf#StylesFile"/>
+  </rdf:Description>
+  <rdf:Description rdf:about="">
+    <ns0:hasPart xmlns:ns0="http://docs.oasis-open.org/ns/office/1.2/meta/pkg#" rdf:resource="styles.xml"/>
+  </rdf:Description>
+  <rdf:Description rdf:about="content.xml">
+    <rdf:type rdf:resource="http://docs.oasis-open.org/ns/office/1.2/meta/odf#ContentFile"/>
+  </rdf:Description>
+  <rdf:Description rdf:about="">
+    <ns0:hasPart xmlns:ns0="http://docs.oasis-open.org/ns/office/1.2/meta/pkg#" rdf:resource="content.xml"/>
+  </rdf:Description>
+  <rdf:Description rdf:about="">
+    <rdf:type rdf:resource="http://docs.oasis-open.org/ns/office/1.2/meta/pkg#Document"/>
+  </rdf:Description>
+</rdf:RDF>
+#+END_SRC
+
+#+name: output_odt_fixed_manifest_rdf
+#+BEGIN_SRC d
+┃");
+  return _manifest_rdf;
+}
+#+END_SRC
+
+*** settings.xml                                                 :settings:
+
+#+name: output_odt_fixed_settings_xml
+#+BEGIN_SRC d
+string settings_xml() {
+  string _settings_xml = format(q"┃<?xml version="1.0" encoding="UTF-8"?>
+#+END_SRC
+
+#+name: output_odt_fixed_settings_xml
+#+BEGIN_SRC xml
+<office:document-settings xmlns:office="urn:oasis:names:tc:opendocument:xmlns:office:1.0" xmlns:xl="http://www.w3.org/1999/xlink" xmlns:config="urn:oasis:names:tc:opendocument:xmlns:config:1.0" xmlns:ooo="http://openoffice.org/2004/office" office:version="1.2">
+  <office:settings>
+    <config:config-item-set config:name="ooo:view-settings">
+      <config:config-item config:name="ViewAreaTop" config:type="int">0</config:config-item>
+      <config:config-item config:name="ViewAreaLeft" config:type="int">0</config:config-item>
+      <config:config-item config:name="ViewAreaWidth" config:type="int">0</config:config-item>
+      <config:config-item config:name="ViewAreaHeight" config:type="int">0</config:config-item>
+      <config:config-item config:name="ShowRedlineChanges" config:type="boolean">true</config:config-item>
+      <config:config-item config:name="InBrowseMode" config:type="boolean">false</config:config-item>
+      <config:config-item-map-indexed config:name="Views">
+        <config:config-item-map-entry>
+          <config:config-item config:name="ViewId" config:type="string">view2</config:config-item>
+          <config:config-item config:name="ViewLeft" config:type="int">0</config:config-item>
+          <config:config-item config:name="ViewTop" config:type="int">0</config:config-item>
+          <config:config-item config:name="VisibleLeft" config:type="int">0</config:config-item>
+          <config:config-item config:name="VisibleTop" config:type="int">0</config:config-item>
+          <config:config-item config:name="VisibleRight" config:type="int">0</config:config-item>
+          <config:config-item config:name="VisibleBottom" config:type="int">0</config:config-item>
+          <config:config-item config:name="ZoomType" config:type="short">0</config:config-item>
+          <config:config-item config:name="ViewLayoutColumns" config:type="short">2</config:config-item>
+          <config:config-item config:name="ViewLayoutBookMode" config:type="boolean">true</config:config-item>
+          <config:config-item config:name="ZoomFactor" config:type="short">100</config:config-item>
+          <config:config-item config:name="IsSelectedFrame" config:type="boolean">false</config:config-item>
+        </config:config-item-map-entry>
+      </config:config-item-map-indexed>
+    </config:config-item-set>
+    <config:config-item-set config:name="ooo:configuration-settings">
+      <config:config-item config:name="ChartAutoUpdate" config:type="boolean">true</config:config-item>
+      <config:config-item config:name="IsLabelDocument" config:type="boolean">false</config:config-item>
+      <config:config-item config:name="MathBaselineAlignment" config:type="boolean">false</config:config-item>
+      <config:config-item config:name="OutlineLevelYieldsNumbering" config:type="boolean">true</config:config-item>
+      <config:config-item config:name="PrintLeftPages" config:type="boolean">true</config:config-item>
+      <config:config-item config:name="DoNotJustifyLinesWithManualBreak" config:type="boolean">false</config:config-item>
+      <config:config-item config:name="AlignTabStopPosition" config:type="boolean">true</config:config-item>
+      <config:config-item config:name="PrintTextPlaceholder" config:type="boolean">false</config:config-item>
+      <config:config-item config:name="UseOldNumbering" config:type="boolean">false</config:config-item>
+      <config:config-item config:name="CurrentDatabaseCommand" config:type="string"/>
+      <config:config-item config:name="ProtectForm" config:type="boolean">false</config:config-item>
+      <config:config-item config:name="PrintBlackFonts" config:type="boolean">false</config:config-item>
+      <config:config-item config:name="PrintProspectRTL" config:type="boolean">false</config:config-item>
+      <config:config-item config:name="SmallCapsPercentage66" config:type="boolean">true</config:config-item>
+      <config:config-item config:name="PrintControls" config:type="boolean">true</config:config-item>
+      <config:config-item config:name="CharacterCompressionType" config:type="short">0</config:config-item>
+      <config:config-item config:name="PrintHiddenText" config:type="boolean">false</config:config-item>
+      <config:config-item config:name="UseFormerTextWrapping" config:type="boolean">false</config:config-item>
+      <config:config-item config:name="IsKernAsianPunctuation" config:type="boolean">false</config:config-item>
+      <config:config-item config:name="PrintProspect" config:type="boolean">false</config:config-item>
+      <config:config-item config:name="PrintEmptyPages" config:type="boolean">true</config:config-item>
+      <config:config-item config:name="UseFormerObjectPositioning" config:type="boolean">false</config:config-item>
+      <config:config-item config:name="ConsiderTextWrapOnObjPos" config:type="boolean">false</config:config-item>
+      <config:config-item config:name="TableRowKeep" config:type="boolean">false</config:config-item>
+      <config:config-item config:name="PrintReversed" config:type="boolean">false</config:config-item>
+      <config:config-item config:name="TabsRelativeToIndent" config:type="boolean">true</config:config-item>
+      <config:config-item config:name="PrintRightPages" config:type="boolean">true</config:config-item>
+      <config:config-item config:name="PrintPaperFromSetup" config:type="boolean">false</config:config-item>
+      <config:config-item config:name="AddFrameOffsets" config:type="boolean">false</config:config-item>
+      <config:config-item config:name="AddParaSpacingToTableCells" config:type="boolean">true</config:config-item>
+      <config:config-item config:name="UpdateFromTemplate" config:type="boolean">false</config:config-item>
+      <config:config-item config:name="AddExternalLeading" config:type="boolean">true</config:config-item>
+      <config:config-item config:name="PrintSingleJobs" config:type="boolean">false</config:config-item>
+      <config:config-item config:name="PrinterIndependentLayout" config:type="string">high-resolution</config:config-item>
+      <config:config-item config:name="LinkUpdateMode" config:type="short">1</config:config-item>
+      <config:config-item config:name="PrintAnnotationMode" config:type="short">0</config:config-item>
+      <config:config-item config:name="UseOldPrinterMetrics" config:type="boolean">true</config:config-item>
+      <config:config-item config:name="RedlineProtectionKey" config:type="base64Binary"/>
+      <config:config-item config:name="PrinterSetup" config:type="base64Binary"/>
+      <config:config-item config:name="IgnoreFirstLineIndentInNumbering" config:type="boolean">false</config:config-item>
+      <config:config-item config:name="CollapseEmptyCellPara" config:type="boolean">true</config:config-item>
+      <config:config-item config:name="PrinterName" config:type="string"/>
+      <config:config-item config:name="InvertBorderSpacing" config:type="boolean">false</config:config-item>
+      <config:config-item config:name="PrintPageBackground" config:type="boolean">true</config:config-item>
+      <config:config-item config:name="DoNotCaptureDrawObjsOnPage" config:type="boolean">false</config:config-item>
+      <config:config-item config:name="ApplyUserData" config:type="boolean">true</config:config-item>
+      <config:config-item config:name="TabAtLeftIndentForParagraphsInList" config:type="boolean">false</config:config-item>
+      <config:config-item config:name="UnxForceZeroExtLeading" config:type="boolean">true</config:config-item>
+      <config:config-item config:name="SaveVersionOnClose" config:type="boolean">false</config:config-item>
+      <config:config-item config:name="PrintFaxName" config:type="string"/>
+      <config:config-item config:name="AddParaTableSpacing" config:type="boolean">true</config:config-item>
+      <config:config-item config:name="PrintDrawings" config:type="boolean">true</config:config-item>
+      <config:config-item config:name="LoadReadonly" config:type="boolean">false</config:config-item>
+      <config:config-item config:name="PrintGraphics" config:type="boolean">true</config:config-item>
+      <config:config-item config:name="FieldAutoUpdate" config:type="boolean">true</config:config-item>
+      <config:config-item config:name="AllowPrintJobCancel" config:type="boolean">true</config:config-item>
+      <config:config-item config:name="UseFormerLineSpacing" config:type="boolean">false</config:config-item>
+      <config:config-item config:name="SaveGlobalDocumentLinks" config:type="boolean">false</config:config-item>
+      <config:config-item config:name="CurrentDatabaseDataSource" config:type="string"/>
+      <config:config-item config:name="IgnoreTabsAndBlanksForLineCalculation" config:type="boolean">false</config:config-item>
+      <config:config-item config:name="CurrentDatabaseCommandType" config:type="int">0</config:config-item>
+      <config:config-item config:name="DoNotResetParaAttrsForNumFont" config:type="boolean">false</config:config-item>
+      <config:config-item config:name="ClipAsCharacterAnchoredWriterFlyFrames" config:type="boolean">false</config:config-item>
+      <config:config-item config:name="PrintTables" config:type="boolean">true</config:config-item>
+      <config:config-item config:name="AddParaTableSpacingAtStart" config:type="boolean">true</config:config-item>
+    </config:config-item-set>
+  </office:settings>
+</office:document-settings>
+#+END_SRC
+
+#+name: output_odt_fixed_settings_xml
+#+BEGIN_SRC d
+┃");
+  return _settings_xml;
+}
+#+END_SRC
+
+*** styles.xml                                                 :styles_xml:
+
+#+name: output_odt_fixed_styles_xml
+#+BEGIN_SRC d
+string styles_xml() {
+  string _styles_xml = format(q"┃<?xml version="1.0" encoding="UTF-8"?>
+#+END_SRC
+
+#+name: output_odt_fixed_styles_xml
+#+BEGIN_SRC xml
+<office:document-styles xmlns:office="urn:oasis:names:tc:opendocument:xmlns:office:1.0" xmlns:style="urn:oasis:names:tc:opendocument:xmlns:style:1.0" xmlns:text="urn:oasis:names:tc:opendocument:xmlns:text:1.0" xmlns:table="urn:oasis:names:tc:opendocument:xmlns:table:1.0" xmlns:draw="urn:oasis:names:tc:opendocument:xmlns:drawing:1.0" xmlns:fo="urn:oasis:names:tc:opendocument:xmlns:xsl-fo-compatible:1.0" xmlns:xl="http://www.w3.org/1999/xlink" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:meta="urn:oasis:names:tc:opendocument:xmlns:meta:1.0" xmlns:number="urn:oasis:names:tc:opendocument:xmlns:datastyle:1.0" xmlns:svg="urn:oasis:names:tc:opendocument:xmlns:svg-compatible:1.0" xmlns:chart="urn:oasis:names:tc:opendocument:xmlns:chart:1.0" xmlns:dr3d="urn:oasis:names:tc:opendocument:xmlns:dr3d:1.0" xmlns:math="http://www.w3.org/1998/Math/MathML" xmlns:form="urn:oasis:names:tc:opendocument:xmlns:form:1.0" xmlns:script="urn:oasis:names:tc:opendocument:xmlns:script:1.0" xmlns:ooo="http://openoffice.org/2004/office" xmlns:ooow="http://openoffice.org/2004/writer" xmlns:oooc="http://openoffice.org/2004/calc" xmlns:dom="http://www.w3.org/2001/xml-events" xmlns:rpt="http://openoffice.org/2005/report" xmlns:of="urn:oasis:names:tc:opendocument:xmlns:of:1.2" xmlns:xhtml="http://www.w3.org/1999/xhtml" xmlns:grddl="http://www.w3.org/2003/g/data-view#" xmlns:tableooo="http://openoffice.org/2009/table" xmlns:css3t="http://www.w3.org/TR/css3-text/" office:version="1.2">
+  <office:font-face-decls>
+    <style:font-face style:name="DejaVu Sans Mono" svg:font-family="'DejaVu Sans Mono'" style:font-adornments="Book" style:font-family-generic="modern" style:font-pitch="fixed"/>
+    <style:font-face style:name="Nimbus Sans L" svg:font-family="'Nimbus Sans L'" style:font-pitch="variable"/>
+    <style:font-face style:name="Tahoma" svg:font-family="Tahoma, Lucidasans, 'Lucida Sans', 'Arial Unicode MS'" style:font-pitch="variable"/>
+    <style:font-face style:name="Nimbus Roman No9 L" svg:font-family="'Nimbus Roman No9 L'" style:font-family-generic="roman" style:font-pitch="variable"/>
+    <style:font-face style:name="Bitstream Vera Sans" svg:font-family="'Bitstream Vera Sans'" style:font-family-generic="swiss" style:font-pitch="variable"/>
+  </office:font-face-decls>
+  <office:styles>
+    <style:default-style style:family="graphic">
+      <style:graphic-properties fo:wrap-option="wrap" draw:shadow-offset-x="0.3cm" draw:shadow-offset-y="0.3cm" draw:start-line-spacing-horizontal="0.283cm" draw:start-line-spacing-vertical="0.283cm" draw:end-line-spacing-horizontal="0.283cm" draw:end-line-spacing-vertical="0.283cm" style:flow-with-text="false"/>
+      <style:paragraph-properties style:text-autospace="ideograph-alpha" style:line-break="strict" style:writing-mode="lr-tb" style:font-independent-line-spacing="false">
+        <style:tab-stops/>
+      </style:paragraph-properties>
+      <style:text-properties style:use-window-font-color="true" fo:font-size="12pt" fo:language="en" fo:country="US" style:font-size-asian="12pt" style:language-asian="zxx" style:country-asian="none" style:font-size-complex="12pt" style:language-complex="zxx" style:country-complex="none"/>
+    </style:default-style>
+    <style:default-style style:family="paragraph">
+      <style:paragraph-properties fo:hyphenation-ladder-count="no-limit" style:text-autospace="ideograph-alpha" style:punctuation-wrap="hanging" style:line-break="strict" style:tab-stop-distance="1.251cm" style:writing-mode="page"/>
+      <style:text-properties style:use-window-font-color="true" style:font-name="Nimbus Roman No9 L" fo:font-size="12pt" fo:language="en" fo:country="US" style:font-name-asian="Nimbus Sans L" style:font-size-asian="12pt" style:language-asian="zxx" style:country-asian="none" style:font-name-complex="Nimbus Sans L" style:font-size-complex="12pt" style:language-complex="zxx" style:country-complex="none" fo:hyphenate="false" fo:hyphenation-remain-char-count="2" fo:hyphenation-push-char-count="2"/>
+    </style:default-style>
+    <style:default-style style:family="table">
+      <style:table-properties table:border-model="collapsing"/>
+    </style:default-style>
+    <style:default-style style:family="table-row">
+      <style:table-row-properties fo:keep-together="auto"/>
+    </style:default-style>
+    <style:style style:name="Standard" style:family="paragraph" style:class="text"/>
+    <style:style style:name="Text_body" style:display-name="Text body" style:family="paragraph" style:class="text">
+      <style:paragraph-properties fo:margin-top="0cm" fo:margin-bottom="0.212cm"/>
+    </style:style>
+    <style:style style:name="P_page_break" style:family="paragraph" style:parent-style-name="Standard">
+      <style:paragraph-properties fo:break-before="page"/>
+    </style:style>
+    <style:style style:name="P_normal" style:family="paragraph" style:parent-style-name="Standard">
+      <style:paragraph-properties fo:margin-top="0.199cm" fo:margin-bottom="0.199cm" fo:line-height="150%%" fo:text-align="justify" style:justify-single-word="false"/>
+    </style:style>
+    <style:style style:name="P_normal_page_new" style:family="paragraph" style:parent-style-name="Standard">
+      <style:paragraph-properties fo:break-after="page"/>
+    </style:style>
+    <style:style style:name="P_indent_0" style:display-name="Paragraph indent 0" style:family="paragraph" style:parent-style-name="Standard">
+      <style:paragraph-properties fo:margin-top="0.199cm" fo:margin-bottom="0.199cm" fo:line-height="150%%" fo:text-align="justify" style:justify-single-word="false"/>
+    </style:style>
+    <style:style style:name="P_indent_1" style:display-name="Paragraph indent 1" style:family="paragraph" style:parent-style-name="Standard">
+      <style:paragraph-properties fo:margin-top="0.199cm" fo:margin-bottom="0.199cm" fo:line-height="150%%" fo:margin-left="1cm" fo:margin-right="0cm" fo:text-align="justify" style:justify-single-word="false" fo:text-indent="0cm" style:auto-text-indent="false"/>
+    </style:style>
+    <style:style style:name="P_indent_2" style:display-name="Paragraph indent 2" style:family="paragraph" style:parent-style-name="Standard">
+      <style:paragraph-properties fo:margin-top="0.199cm" fo:margin-bottom="0.199cm" fo:line-height="150%%" fo:margin-left="2cm" fo:margin-right="0cm" fo:text-align="justify" style:justify-single-word="false" fo:text-indent="0cm" style:auto-text-indent="false"/>
+    </style:style>
+    <style:style style:name="P_indent_3" style:display-name="Paragraph indent 3" style:family="paragraph" style:parent-style-name="Standard">
+      <style:paragraph-properties fo:margin-top="0.199cm" fo:margin-bottom="0.199cm" fo:line-height="150%%" fo:margin-left="3cm" fo:margin-right="0cm" fo:text-align="justify" style:justify-single-word="false" fo:text-indent="0cm" style:auto-text-indent="false"/>
+    </style:style>
+    <style:style style:name="P_indent_4" style:display-name="Paragraph indent 4" style:family="paragraph" style:parent-style-name="Standard">
+      <style:paragraph-properties fo:margin-top="0.199cm" fo:margin-bottom="0.199cm" fo:line-height="150%%" fo:margin-left="4cm" fo:margin-right="0cm" fo:text-align="justify" style:justify-single-word="false" fo:text-indent="0cm" style:auto-text-indent="false"/>
+    </style:style>
+    <style:style style:name="P_indent_5" style:display-name="Paragraph indent 5" style:family="paragraph" style:parent-style-name="Standard">
+      <style:paragraph-properties fo:margin-top="0.199cm" fo:margin-bottom="0.199cm" fo:line-height="150%%" fo:margin-left="5cm" fo:margin-right="0cm" fo:text-align="justify" style:justify-single-word="false" fo:text-indent="0cm" style:auto-text-indent="false"/>
+    </style:style>
+    <style:style style:name="P_indent_6" style:display-name="Paragraph indent 6" style:family="paragraph" style:parent-style-name="Standard">
+      <style:paragraph-properties fo:margin-top="0.199cm" fo:margin-bottom="0.199cm" fo:line-height="150%%" fo:margin-left="6cm" fo:margin-right="0cm" fo:text-align="justify" style:justify-single-word="false" fo:text-indent="0cm" style:auto-text-indent="false"/>
+    </style:style>
+    <style:style style:name="P_indent_7" style:display-name="Paragraph indent 7" style:family="paragraph" style:parent-style-name="Standard">
+      <style:paragraph-properties fo:margin-top="0.199cm" fo:margin-bottom="0.199cm" fo:line-height="150%%" fo:margin-left="7cm" fo:margin-right="0cm" fo:text-align="justify" style:justify-single-word="false" fo:text-indent="0cm" style:auto-text-indent="false"/>
+    </style:style>
+    <style:style style:name="P_indent_8" style:display-name="Paragraph indent 8" style:family="paragraph" style:parent-style-name="Standard">
+      <style:paragraph-properties fo:margin-top="0.199cm" fo:margin-bottom="0.199cm" fo:line-height="150%%" fo:margin-left="8cm" fo:margin-right="0cm" fo:text-align="justify" style:justify-single-word="false" fo:text-indent="0cm" style:auto-text-indent="false"/>
+    </style:style>
+    <style:style style:name="P_indent_9" style:display-name="Paragraph indent 9" style:family="paragraph" style:parent-style-name="Standard">
+      <style:paragraph-properties fo:margin-top="0.199cm" fo:margin-bottom="0.199cm" fo:line-height="150%%" fo:margin-left="9cm" fo:margin-right="0cm" fo:text-align="justify" style:justify-single-word="false" fo:text-indent="0cm" style:auto-text-indent="false"/>
+    </style:style>
+    <style:style style:name="P_h0_i0" style:display-name="Hang 0 Indent 0" style:family="paragraph" style:parent-style-name="Text_body" style:class="text">
+      <style:paragraph-properties fo:margin-left="0cm" fo:margin-right="0cm" fo:text-indent="0cm" style:auto-text-indent="false">
+      <style:tab-stops>
+      <style:tab-stop style:position="0cm"/>
+      </style:tab-stops>
+      </style:paragraph-properties>
+    </style:style>
+    <style:style style:name="P_h0_i1" style:display-name="Hang 0 Indent 1" style:family="paragraph" style:parent-style-name="Text_body" style:class="text">
+      <style:paragraph-properties fo:margin-left="1cm" fo:margin-right="0cm" fo:text-indent="-1cm" style:auto-text-indent="false">
+      <style:tab-stops>
+      <style:tab-stop style:position="0cm"/>
+      </style:tab-stops>
+      </style:paragraph-properties>
+    </style:style>
+    <style:style style:name="P_h0_i2" style:display-name="Hang 0 Indent 2" style:family="paragraph" style:parent-style-name="Text_body" style:class="text">
+      <style:paragraph-properties fo:margin-left="2cm" fo:margin-right="0cm" fo:text-indent="-2cm" style:auto-text-indent="false">
+      <style:tab-stops>
+      <style:tab-stop style:position="0cm"/>
+      </style:tab-stops>
+      </style:paragraph-properties>
+    </style:style>
+    <style:style style:name="P_h0_i3" style:display-name="Hang 0 Indent 3" style:family="paragraph" style:parent-style-name="Text_body" style:class="text">
+      <style:paragraph-properties fo:margin-left="3cm" fo:margin-right="0cm" fo:text-indent="-3cm" style:auto-text-indent="false">
+      <style:tab-stops>
+      <style:tab-stop style:position="0cm"/>
+      </style:tab-stops>
+      </style:paragraph-properties>
+    </style:style>
+    <style:style style:name="P_h0_i4" style:display-name="Hang 0 Indent 4" style:family="paragraph" style:parent-style-name="Text_body" style:class="text">
+      <style:paragraph-properties fo:margin-left="4cm" fo:margin-right="0cm" fo:text-indent="-4cm" style:auto-text-indent="false">
+      <style:tab-stops>
+      <style:tab-stop style:position="0cm"/>
+      </style:tab-stops>
+      </style:paragraph-properties>
+    </style:style>
+    <style:style style:name="P_h0_i5" style:display-name="Hang 0 Indent 5" style:family="paragraph" style:parent-style-name="Text_body" style:class="text">
+      <style:paragraph-properties fo:margin-left="5cm" fo:margin-right="0cm" fo:text-indent="-5cm" style:auto-text-indent="false">
+      <style:tab-stops>
+      <style:tab-stop style:position="0cm"/>
+      </style:tab-stops>
+      </style:paragraph-properties>
+    </style:style>
+    <style:style style:name="P_h0_i6" style:display-name="Hang 0 Indent 6" style:family="paragraph" style:parent-style-name="Text_body" style:class="text">
+      <style:paragraph-properties fo:margin-left="6cm" fo:margin-right="0cm" fo:text-indent="-6cm" style:auto-text-indent="false">
+      <style:tab-stops>
+      <style:tab-stop style:position="0cm"/>
+      </style:tab-stops>
+      </style:paragraph-properties>
+    </style:style>
+    <style:style style:name="P_h0_i7" style:display-name="Hang 0 Indent 7" style:family="paragraph" style:parent-style-name="Text_body" style:class="text">
+      <style:paragraph-properties fo:margin-left="7cm" fo:margin-right="0cm" fo:text-indent="-7cm" style:auto-text-indent="false">
+      <style:tab-stops>
+      <style:tab-stop style:position="0cm"/>
+      </style:tab-stops>
+      </style:paragraph-properties>
+    </style:style>
+    <style:style style:name="P_h0_i8" style:display-name="Hang 0 Indent 8" style:family="paragraph" style:parent-style-name="Text_body" style:class="text">
+      <style:paragraph-properties fo:margin-left="8cm" fo:margin-right="0cm" fo:text-indent="-8cm" style:auto-text-indent="false">
+      <style:tab-stops>
+      <style:tab-stop style:position="0cm"/>
+      </style:tab-stops>
+      </style:paragraph-properties>
+    </style:style>
+    <style:style style:name="P_h0_i9" style:display-name="Hang 0 Indent 9" style:family="paragraph" style:parent-style-name="Text_body" style:class="text">
+      <style:paragraph-properties fo:margin-left="9cm" fo:margin-right="0cm" fo:text-indent="-9cm" style:auto-text-indent="false">
+      <style:tab-stops>
+      <style:tab-stop style:position="0cm"/>
+      </style:tab-stops>
+      </style:paragraph-properties>
+    </style:style>
+    <style:style style:name="P_h1_i0" style:display-name="Hang 1 Indent 0" style:family="paragraph" style:parent-style-name="Text_body" style:class="text">
+      <style:paragraph-properties fo:margin-left="0cm" fo:margin-right="0cm" fo:text-indent="1cm" style:auto-text-indent="false">
+      <style:tab-stops>
+      <style:tab-stop style:position="0cm"/>
+      </style:tab-stops>
+      </style:paragraph-properties>
+    </style:style>
+    <style:style style:name="P_h1_i1" style:display-name="Hang 1 Indent 1" style:family="paragraph" style:parent-style-name="Text_body" style:class="text">
+      <style:paragraph-properties fo:margin-left="1cm" fo:margin-right="0cm" fo:text-indent="0cm" style:auto-text-indent="false">
+      <style:tab-stops>
+      <style:tab-stop style:position="0cm"/>
+      </style:tab-stops>
+      </style:paragraph-properties>
+    </style:style>
+    <style:style style:name="P_h1_i2" style:display-name="Hang 1 Indent 2" style:family="paragraph" style:parent-style-name="Text_body" style:class="text">
+      <style:paragraph-properties fo:margin-left="2cm" fo:margin-right="0cm" fo:text-indent="-1cm" style:auto-text-indent="false">
+      <style:tab-stops>
+      <style:tab-stop style:position="0cm"/>
+      </style:tab-stops>
+      </style:paragraph-properties>
+    </style:style>
+    <style:style style:name="P_h1_i3" style:display-name="Hang 1 Indent 3" style:family="paragraph" style:parent-style-name="Text_body" style:class="text">
+      <style:paragraph-properties fo:margin-left="3cm" fo:margin-right="0cm" fo:text-indent="-2cm" style:auto-text-indent="false">
+      <style:tab-stops>
+      <style:tab-stop style:position="0cm"/>
+      </style:tab-stops>
+      </style:paragraph-properties>
+    </style:style>
+    <style:style style:name="P_h1_i4" style:display-name="Hang 1 Indent 4" style:family="paragraph" style:parent-style-name="Text_body" style:class="text">
+      <style:paragraph-properties fo:margin-left="4cm" fo:margin-right="0cm" fo:text-indent="-3cm" style:auto-text-indent="false">
+      <style:tab-stops>
+      <style:tab-stop style:position="0cm"/>
+      </style:tab-stops>
+      </style:paragraph-properties>
+    </style:style>
+    <style:style style:name="P_h1_i5" style:display-name="Hang 1 Indent 5" style:family="paragraph" style:parent-style-name="Text_body" style:class="text">
+      <style:paragraph-properties fo:margin-left="5cm" fo:margin-right="0cm" fo:text-indent="-4cm" style:auto-text-indent="false">
+      <style:tab-stops>
+      <style:tab-stop style:position="0cm"/>
+      </style:tab-stops>
+      </style:paragraph-properties>
+    </style:style>
+    <style:style style:name="P_h1_i6" style:display-name="Hang 1 Indent 6" style:family="paragraph" style:parent-style-name="Text_body" style:class="text">
+      <style:paragraph-properties fo:margin-left="6cm" fo:margin-right="0cm" fo:text-indent="-5cm" style:auto-text-indent="false">
+      <style:tab-stops>
+      <style:tab-stop style:position="0cm"/>
+      </style:tab-stops>
+      </style:paragraph-properties>
+    </style:style>
+    <style:style style:name="P_h1_i7" style:display-name="Hang 1 Indent 7" style:family="paragraph" style:parent-style-name="Text_body" style:class="text">
+      <style:paragraph-properties fo:margin-left="7cm" fo:margin-right="0cm" fo:text-indent="-6cm" style:auto-text-indent="false">
+      <style:tab-stops>
+      <style:tab-stop style:position="0cm"/>
+      </style:tab-stops>
+      </style:paragraph-properties>
+    </style:style>
+    <style:style style:name="P_h1_i8" style:display-name="Hang 1 Indent 8" style:family="paragraph" style:parent-style-name="Text_body" style:class="text">
+      <style:paragraph-properties fo:margin-left="8cm" fo:margin-right="0cm" fo:text-indent="-7cm" style:auto-text-indent="false">
+      <style:tab-stops>
+      <style:tab-stop style:position="0cm"/>
+      </style:tab-stops>
+      </style:paragraph-properties>
+    </style:style>
+    <style:style style:name="P_h1_i9" style:display-name="Hang 1 Indent 9" style:family="paragraph" style:parent-style-name="Text_body" style:class="text">
+      <style:paragraph-properties fo:margin-left="9cm" fo:margin-right="0cm" fo:text-indent="-8cm" style:auto-text-indent="false">
+      <style:tab-stops>
+      <style:tab-stop style:position="0cm"/>
+      </style:tab-stops>
+      </style:paragraph-properties>
+    </style:style>
+    <style:style style:name="P_h2_i0" style:display-name="Hang 2 Indent 0" style:family="paragraph" style:parent-style-name="Text_body" style:class="text">
+      <style:paragraph-properties fo:margin-left="0cm" fo:margin-right="0cm" fo:text-indent="2cm" style:auto-text-indent="false">
+      <style:tab-stops>
+      <style:tab-stop style:position="0cm"/>
+      </style:tab-stops>
+      </style:paragraph-properties>
+    </style:style>
+    <style:style style:name="P_h2_i1" style:display-name="Hang 2 Indent 1" style:family="paragraph" style:parent-style-name="Text_body" style:class="text">
+      <style:paragraph-properties fo:margin-left="1cm" fo:margin-right="0cm" fo:text-indent="1cm" style:auto-text-indent="false">
+      <style:tab-stops>
+      <style:tab-stop style:position="0cm"/>
+      </style:tab-stops>
+      </style:paragraph-properties>
+    </style:style>
+    <style:style style:name="P_h2_i2" style:display-name="Hang 2 Indent 2" style:family="paragraph" style:parent-style-name="Text_body" style:class="text">
+      <style:paragraph-properties fo:margin-left="2cm" fo:margin-right="0cm" fo:text-indent="0cm" style:auto-text-indent="false">
+      <style:tab-stops>
+      <style:tab-stop style:position="0cm"/>
+      </style:tab-stops>
+      </style:paragraph-properties>
+    </style:style>
+    <style:style style:name="P_h2_i3" style:display-name="Hang 2 Indent 3" style:family="paragraph" style:parent-style-name="Text_body" style:class="text">
+      <style:paragraph-properties fo:margin-left="3cm" fo:margin-right="0cm" fo:text-indent="-1cm" style:auto-text-indent="false">
+      <style:tab-stops>
+      <style:tab-stop style:position="0cm"/>
+      </style:tab-stops>
+      </style:paragraph-properties>
+    </style:style>
+    <style:style style:name="P_h2_i4" style:display-name="Hang 2 Indent 4" style:family="paragraph" style:parent-style-name="Text_body" style:class="text">
+      <style:paragraph-properties fo:margin-left="4cm" fo:margin-right="0cm" fo:text-indent="-2cm" style:auto-text-indent="false">
+      <style:tab-stops>
+      <style:tab-stop style:position="0cm"/>
+      </style:tab-stops>
+      </style:paragraph-properties>
+    </style:style>
+    <style:style style:name="P_h2_i5" style:display-name="Hang 2 Indent 5" style:family="paragraph" style:parent-style-name="Text_body" style:class="text">
+      <style:paragraph-properties fo:margin-left="5cm" fo:margin-right="0cm" fo:text-indent="-3cm" style:auto-text-indent="false">
+      <style:tab-stops>
+      <style:tab-stop style:position="0cm"/>
+      </style:tab-stops>
+      </style:paragraph-properties>
+    </style:style>
+    <style:style style:name="P_h2_i6" style:display-name="Hang 2 Indent 6" style:family="paragraph" style:parent-style-name="Text_body" style:class="text">
+      <style:paragraph-properties fo:margin-left="6cm" fo:margin-right="0cm" fo:text-indent="-4cm" style:auto-text-indent="false">
+      <style:tab-stops>
+      <style:tab-stop style:position="0cm"/>
+      </style:tab-stops>
+      </style:paragraph-properties>
+    </style:style>
+    <style:style style:name="P_h2_i7" style:display-name="Hang 2 Indent 7" style:family="paragraph" style:parent-style-name="Text_body" style:class="text">
+      <style:paragraph-properties fo:margin-left="7cm" fo:margin-right="0cm" fo:text-indent="-5cm" style:auto-text-indent="false">
+      <style:tab-stops>
+      <style:tab-stop style:position="0cm"/>
+      </style:tab-stops>
+      </style:paragraph-properties>
+    </style:style>
+    <style:style style:name="P_h2_i8" style:display-name="Hang 2 Indent 8" style:family="paragraph" style:parent-style-name="Text_body" style:class="text">
+      <style:paragraph-properties fo:margin-left="8cm" fo:margin-right="0cm" fo:text-indent="-6cm" style:auto-text-indent="false">
+      <style:tab-stops>
+      <style:tab-stop style:position="0cm"/>
+      </style:tab-stops>
+      </style:paragraph-properties>
+    </style:style>
+    <style:style style:name="P_h2_i9" style:display-name="Hang 2 Indent 9" style:family="paragraph" style:parent-style-name="Text_body" style:class="text">
+      <style:paragraph-properties fo:margin-left="9cm" fo:margin-right="0cm" fo:text-indent="-7cm" style:auto-text-indent="false">
+      <style:tab-stops>
+      <style:tab-stop style:position="0cm"/>
+      </style:tab-stops>
+      </style:paragraph-properties>
+    </style:style>
+    <style:style style:name="P_h3_i0" style:display-name="Hang 3 Indent 0" style:family="paragraph" style:parent-style-name="Text_body" style:class="text">
+      <style:paragraph-properties fo:margin-left="0cm" fo:margin-right="0cm" fo:text-indent="3cm" style:auto-text-indent="false">
+      <style:tab-stops>
+      <style:tab-stop style:position="0cm"/>
+      </style:tab-stops>
+      </style:paragraph-properties>
+    </style:style>
+    <style:style style:name="P_h3_i1" style:display-name="Hang 3 Indent 1" style:family="paragraph" style:parent-style-name="Text_body" style:class="text">
+      <style:paragraph-properties fo:margin-left="1cm" fo:margin-right="0cm" fo:text-indent="2cm" style:auto-text-indent="false">
+      <style:tab-stops>
+      <style:tab-stop style:position="0cm"/>
+      </style:tab-stops>
+      </style:paragraph-properties>
+    </style:style>
+    <style:style style:name="P_h3_i2" style:display-name="Hang 3 Indent 2" style:family="paragraph" style:parent-style-name="Text_body" style:class="text">
+      <style:paragraph-properties fo:margin-left="2cm" fo:margin-right="0cm" fo:text-indent="1cm" style:auto-text-indent="false">
+      <style:tab-stops>
+      <style:tab-stop style:position="0cm"/>
+      </style:tab-stops>
+      </style:paragraph-properties>
+    </style:style>
+    <style:style style:name="P_h3_i3" style:display-name="Hang 3 Indent 3" style:family="paragraph" style:parent-style-name="Text_body" style:class="text">
+      <style:paragraph-properties fo:margin-left="3cm" fo:margin-right="0cm" fo:text-indent="0cm" style:auto-text-indent="false">
+      <style:tab-stops>
+      <style:tab-stop style:position="0cm"/>
+      </style:tab-stops>
+      </style:paragraph-properties>
+    </style:style>
+    <style:style style:name="P_h3_i4" style:display-name="Hang 3 Indent 4" style:family="paragraph" style:parent-style-name="Text_body" style:class="text">
+      <style:paragraph-properties fo:margin-left="4cm" fo:margin-right="0cm" fo:text-indent="-1cm" style:auto-text-indent="false">
+      <style:tab-stops>
+      <style:tab-stop style:position="0cm"/>
+      </style:tab-stops>
+      </style:paragraph-properties>
+    </style:style>
+    <style:style style:name="P_h3_i5" style:display-name="Hang 3 Indent 5" style:family="paragraph" style:parent-style-name="Text_body" style:class="text">
+      <style:paragraph-properties fo:margin-left="5cm" fo:margin-right="0cm" fo:text-indent="-2cm" style:auto-text-indent="false">
+      <style:tab-stops>
+      <style:tab-stop style:position="0cm"/>
+      </style:tab-stops>
+      </style:paragraph-properties>
+    </style:style>
+    <style:style style:name="P_h3_i6" style:display-name="Hang 3 Indent 6" style:family="paragraph" style:parent-style-name="Text_body" style:class="text">
+      <style:paragraph-properties fo:margin-left="6cm" fo:margin-right="0cm" fo:text-indent="-3cm" style:auto-text-indent="false">
+      <style:tab-stops>
+      <style:tab-stop style:position="0cm"/>
+      </style:tab-stops>
+      </style:paragraph-properties>
+    </style:style>
+    <style:style style:name="P_h3_i7" style:display-name="Hang 3 Indent 7" style:family="paragraph" style:parent-style-name="Text_body" style:class="text">
+      <style:paragraph-properties fo:margin-left="7cm" fo:margin-right="0cm" fo:text-indent="-4cm" style:auto-text-indent="false">
+      <style:tab-stops>
+      <style:tab-stop style:position="0cm"/>
+      </style:tab-stops>
+      </style:paragraph-properties>
+    </style:style>
+    <style:style style:name="P_h3_i8" style:display-name="Hang 3 Indent 8" style:family="paragraph" style:parent-style-name="Text_body" style:class="text">
+      <style:paragraph-properties fo:margin-left="8cm" fo:margin-right="0cm" fo:text-indent="-5cm" style:auto-text-indent="false">
+      <style:tab-stops>
+      <style:tab-stop style:position="0cm"/>
+      </style:tab-stops>
+      </style:paragraph-properties>
+    </style:style>
+    <style:style style:name="P_h3_i9" style:display-name="Hang 3 Indent 9" style:family="paragraph" style:parent-style-name="Text_body" style:class="text">
+      <style:paragraph-properties fo:margin-left="9cm" fo:margin-right="0cm" fo:text-indent="-6cm" style:auto-text-indent="false">
+      <style:tab-stops>
+      <style:tab-stop style:position="0cm"/>
+      </style:tab-stops>
+      </style:paragraph-properties>
+    </style:style>
+    <style:style style:name="P_h4_i0" style:display-name="Hang 4 Indent 0" style:family="paragraph" style:parent-style-name="Text_body" style:class="text">
+      <style:paragraph-properties fo:margin-left="0cm" fo:margin-right="0cm" fo:text-indent="4cm" style:auto-text-indent="false">
+      <style:tab-stops>
+      <style:tab-stop style:position="0cm"/>
+      </style:tab-stops>
+      </style:paragraph-properties>
+    </style:style>
+    <style:style style:name="P_h4_i1" style:display-name="Hang 4 Indent 1" style:family="paragraph" style:parent-style-name="Text_body" style:class="text">
+      <style:paragraph-properties fo:margin-left="1cm" fo:margin-right="0cm" fo:text-indent="3cm" style:auto-text-indent="false">
+      <style:tab-stops>
+      <style:tab-stop style:position="0cm"/>
+      </style:tab-stops>
+      </style:paragraph-properties>
+    </style:style>
+    <style:style style:name="P_h4_i2" style:display-name="Hang 4 Indent 2" style:family="paragraph" style:parent-style-name="Text_body" style:class="text">
+      <style:paragraph-properties fo:margin-left="2cm" fo:margin-right="0cm" fo:text-indent="2cm" style:auto-text-indent="false">
+      <style:tab-stops>
+      <style:tab-stop style:position="0cm"/>
+      </style:tab-stops>
+      </style:paragraph-properties>
+    </style:style>
+    <style:style style:name="P_h4_i3" style:display-name="Hang 4 Indent 3" style:family="paragraph" style:parent-style-name="Text_body" style:class="text">
+      <style:paragraph-properties fo:margin-left="3cm" fo:margin-right="0cm" fo:text-indent="1cm" style:auto-text-indent="false">
+      <style:tab-stops>
+      <style:tab-stop style:position="0cm"/>
+      </style:tab-stops>
+      </style:paragraph-properties>
+    </style:style>
+    <style:style style:name="P_h4_i4" style:display-name="Hang 4 Indent 4" style:family="paragraph" style:parent-style-name="Text_body" style:class="text">
+      <style:paragraph-properties fo:margin-left="4cm" fo:margin-right="0cm" fo:text-indent="0cm" style:auto-text-indent="false">
+      <style:tab-stops>
+      <style:tab-stop style:position="0cm"/>
+      </style:tab-stops>
+      </style:paragraph-properties>
+    </style:style>
+    <style:style style:name="P_h4_i5" style:display-name="Hang 4 Indent 5" style:family="paragraph" style:parent-style-name="Text_body" style:class="text">
+      <style:paragraph-properties fo:margin-left="5cm" fo:margin-right="0cm" fo:text-indent="-1cm" style:auto-text-indent="false">
+      <style:tab-stops>
+      <style:tab-stop style:position="0cm"/>
+      </style:tab-stops>
+      </style:paragraph-properties>
+    </style:style>
+    <style:style style:name="P_h4_i6" style:display-name="Hang 4 Indent 6" style:family="paragraph" style:parent-style-name="Text_body" style:class="text">
+      <style:paragraph-properties fo:margin-left="6cm" fo:margin-right="0cm" fo:text-indent="-2cm" style:auto-text-indent="false">
+      <style:tab-stops>
+      <style:tab-stop style:position="0cm"/>
+      </style:tab-stops>
+      </style:paragraph-properties>
+    </style:style>
+    <style:style style:name="P_h4_i7" style:display-name="Hang 4 Indent 7" style:family="paragraph" style:parent-style-name="Text_body" style:class="text">
+      <style:paragraph-properties fo:margin-left="7cm" fo:margin-right="0cm" fo:text-indent="-3cm" style:auto-text-indent="false">
+      <style:tab-stops>
+      <style:tab-stop style:position="0cm"/>
+      </style:tab-stops>
+      </style:paragraph-properties>
+    </style:style>
+    <style:style style:name="P_h4_i8" style:display-name="Hang 4 Indent 8" style:family="paragraph" style:parent-style-name="Text_body" style:class="text">
+      <style:paragraph-properties fo:margin-left="8cm" fo:margin-right="0cm" fo:text-indent="-4cm" style:auto-text-indent="false">
+      <style:tab-stops>
+      <style:tab-stop style:position="0cm"/>
+      </style:tab-stops>
+      </style:paragraph-properties>
+    </style:style>
+    <style:style style:name="P_h4_i9" style:display-name="Hang 4 Indent 9" style:family="paragraph" style:parent-style-name="Text_body" style:class="text">
+      <style:paragraph-properties fo:margin-left="9cm" fo:margin-right="0cm" fo:text-indent="-5cm" style:auto-text-indent="false">
+      <style:tab-stops>
+      <style:tab-stop style:position="0cm"/>
+      </style:tab-stops>
+      </style:paragraph-properties>
+    </style:style>
+    <style:style style:name="P_h5_i0" style:display-name="Hang 5 Indent 0" style:family="paragraph" style:parent-style-name="Text_body" style:class="text">
+      <style:paragraph-properties fo:margin-left="0cm" fo:margin-right="0cm" fo:text-indent="5cm" style:auto-text-indent="false">
+      <style:tab-stops>
+      <style:tab-stop style:position="0cm"/>
+      </style:tab-stops>
+      </style:paragraph-properties>
+    </style:style>
+    <style:style style:name="P_h5_i1" style:display-name="Hang 5 Indent 1" style:family="paragraph" style:parent-style-name="Text_body" style:class="text">
+      <style:paragraph-properties fo:margin-left="1cm" fo:margin-right="0cm" fo:text-indent="4cm" style:auto-text-indent="false">
+      <style:tab-stops>
+      <style:tab-stop style:position="0cm"/>
+      </style:tab-stops>
+      </style:paragraph-properties>
+    </style:style>
+    <style:style style:name="P_h5_i2" style:display-name="Hang 5 Indent 2" style:family="paragraph" style:parent-style-name="Text_body" style:class="text">
+      <style:paragraph-properties fo:margin-left="2cm" fo:margin-right="0cm" fo:text-indent="3cm" style:auto-text-indent="false">
+      <style:tab-stops>
+      <style:tab-stop style:position="0cm"/>
+      </style:tab-stops>
+      </style:paragraph-properties>
+    </style:style>
+    <style:style style:name="P_h5_i3" style:display-name="Hang 5 Indent 3" style:family="paragraph" style:parent-style-name="Text_body" style:class="text">
+      <style:paragraph-properties fo:margin-left="3cm" fo:margin-right="0cm" fo:text-indent="2cm" style:auto-text-indent="false">
+      <style:tab-stops>
+      <style:tab-stop style:position="0cm"/>
+      </style:tab-stops>
+      </style:paragraph-properties>
+    </style:style>
+    <style:style style:name="P_h5_i4" style:display-name="Hang 5 Indent 4" style:family="paragraph" style:parent-style-name="Text_body" style:class="text">
+      <style:paragraph-properties fo:margin-left="4cm" fo:margin-right="0cm" fo:text-indent="1cm" style:auto-text-indent="false">
+      <style:tab-stops>
+      <style:tab-stop style:position="0cm"/>
+      </style:tab-stops>
+      </style:paragraph-properties>
+    </style:style>
+    <style:style style:name="P_h5_i5" style:display-name="Hang 5 Indent 5" style:family="paragraph" style:parent-style-name="Text_body" style:class="text">
+      <style:paragraph-properties fo:margin-left="5cm" fo:margin-right="0cm" fo:text-indent="0cm" style:auto-text-indent="false">
+      <style:tab-stops>
+      <style:tab-stop style:position="0cm"/>
+      </style:tab-stops>
+      </style:paragraph-properties>
+    </style:style>
+    <style:style style:name="P_h5_i6" style:display-name="Hang 5 Indent 6" style:family="paragraph" style:parent-style-name="Text_body" style:class="text">
+      <style:paragraph-properties fo:margin-left="6cm" fo:margin-right="0cm" fo:text-indent="-1cm" style:auto-text-indent="false">
+      <style:tab-stops>
+      <style:tab-stop style:position="0cm"/>
+      </style:tab-stops>
+      </style:paragraph-properties>
+    </style:style>
+    <style:style style:name="P_h5_i7" style:display-name="Hang 5 Indent 7" style:family="paragraph" style:parent-style-name="Text_body" style:class="text">
+      <style:paragraph-properties fo:margin-left="7cm" fo:margin-right="0cm" fo:text-indent="-2cm" style:auto-text-indent="false">
+      <style:tab-stops>
+      <style:tab-stop style:position="0cm"/>
+      </style:tab-stops>
+      </style:paragraph-properties>
+    </style:style>
+    <style:style style:name="P_h5_i8" style:display-name="Hang 5 Indent 8" style:family="paragraph" style:parent-style-name="Text_body" style:class="text">
+      <style:paragraph-properties fo:margin-left="8cm" fo:margin-right="0cm" fo:text-indent="-3cm" style:auto-text-indent="false">
+      <style:tab-stops>
+      <style:tab-stop style:position="0cm"/>
+      </style:tab-stops>
+      </style:paragraph-properties>
+    </style:style>
+    <style:style style:name="P_h5_i9" style:display-name="Hang 5 Indent 9" style:family="paragraph" style:parent-style-name="Text_body" style:class="text">
+      <style:paragraph-properties fo:margin-left="9cm" fo:margin-right="0cm" fo:text-indent="-4cm" style:auto-text-indent="false">
+      <style:tab-stops>
+      <style:tab-stop style:position="0cm"/>
+      </style:tab-stops>
+      </style:paragraph-properties>
+    </style:style>
+    <style:style style:name="P_h6_i0" style:display-name="Hang 6 Indent 0" style:family="paragraph" style:parent-style-name="Text_body" style:class="text">
+      <style:paragraph-properties fo:margin-left="0cm" fo:margin-right="0cm" fo:text-indent="6cm" style:auto-text-indent="false">
+      <style:tab-stops>
+      <style:tab-stop style:position="0cm"/>
+      </style:tab-stops>
+      </style:paragraph-properties>
+    </style:style>
+    <style:style style:name="P_h6_i1" style:display-name="Hang 6 Indent 1" style:family="paragraph" style:parent-style-name="Text_body" style:class="text">
+      <style:paragraph-properties fo:margin-left="1cm" fo:margin-right="0cm" fo:text-indent="5cm" style:auto-text-indent="false">
+      <style:tab-stops>
+      <style:tab-stop style:position="0cm"/>
+      </style:tab-stops>
+      </style:paragraph-properties>
+    </style:style>
+    <style:style style:name="P_h6_i2" style:display-name="Hang 6 Indent 2" style:family="paragraph" style:parent-style-name="Text_body" style:class="text">
+      <style:paragraph-properties fo:margin-left="2cm" fo:margin-right="0cm" fo:text-indent="4cm" style:auto-text-indent="false">
+      <style:tab-stops>
+      <style:tab-stop style:position="0cm"/>
+      </style:tab-stops>
+      </style:paragraph-properties>
+    </style:style>
+    <style:style style:name="P_h6_i3" style:display-name="Hang 6 Indent 3" style:family="paragraph" style:parent-style-name="Text_body" style:class="text">
+      <style:paragraph-properties fo:margin-left="3cm" fo:margin-right="0cm" fo:text-indent="3cm" style:auto-text-indent="false">
+      <style:tab-stops>
+      <style:tab-stop style:position="0cm"/>
+      </style:tab-stops>
+      </style:paragraph-properties>
+    </style:style>
+    <style:style style:name="P_h6_i4" style:display-name="Hang 6 Indent 4" style:family="paragraph" style:parent-style-name="Text_body" style:class="text">
+      <style:paragraph-properties fo:margin-left="4cm" fo:margin-right="0cm" fo:text-indent="2cm" style:auto-text-indent="false">
+      <style:tab-stops>
+      <style:tab-stop style:position="0cm"/>
+      </style:tab-stops>
+      </style:paragraph-properties>
+    </style:style>
+    <style:style style:name="P_h6_i5" style:display-name="Hang 6 Indent 5" style:family="paragraph" style:parent-style-name="Text_body" style:class="text">
+      <style:paragraph-properties fo:margin-left="5cm" fo:margin-right="0cm" fo:text-indent="1cm" style:auto-text-indent="false">
+      <style:tab-stops>
+      <style:tab-stop style:position="0cm"/>
+      </style:tab-stops>
+      </style:paragraph-properties>
+    </style:style>
+    <style:style style:name="P_h6_i6" style:display-name="Hang 6 Indent 6" style:family="paragraph" style:parent-style-name="Text_body" style:class="text">
+      <style:paragraph-properties fo:margin-left="6cm" fo:margin-right="0cm" fo:text-indent="0cm" style:auto-text-indent="false">
+      <style:tab-stops>
+      <style:tab-stop style:position="0cm"/>
+      </style:tab-stops>
+      </style:paragraph-properties>
+    </style:style>
+    <style:style style:name="P_h6_i7" style:display-name="Hang 6 Indent 7" style:family="paragraph" style:parent-style-name="Text_body" style:class="text">
+      <style:paragraph-properties fo:margin-left="7cm" fo:margin-right="0cm" fo:text-indent="-1cm" style:auto-text-indent="false">
+      <style:tab-stops>
+      <style:tab-stop style:position="0cm"/>
+      </style:tab-stops>
+      </style:paragraph-properties>
+    </style:style>
+    <style:style style:name="P_h6_i8" style:display-name="Hang 6 Indent 8" style:family="paragraph" style:parent-style-name="Text_body" style:class="text">
+      <style:paragraph-properties fo:margin-left="8cm" fo:margin-right="0cm" fo:text-indent="-2cm" style:auto-text-indent="false">
+      <style:tab-stops>
+      <style:tab-stop style:position="0cm"/>
+      </style:tab-stops>
+      </style:paragraph-properties>
+    </style:style>
+    <style:style style:name="P_h6_i9" style:display-name="Hang 6 Indent 9" style:family="paragraph" style:parent-style-name="Text_body" style:class="text">
+      <style:paragraph-properties fo:margin-left="9cm" fo:margin-right="0cm" fo:text-indent="-3cm" style:auto-text-indent="false">
+      <style:tab-stops>
+      <style:tab-stop style:position="0cm"/>
+      </style:tab-stops>
+      </style:paragraph-properties>
+    </style:style>
+    <style:style style:name="P_h7_i0" style:display-name="Hang 7 Indent 0" style:family="paragraph" style:parent-style-name="Text_body" style:class="text">
+      <style:paragraph-properties fo:margin-left="0cm" fo:margin-right="0cm" fo:text-indent="7cm" style:auto-text-indent="false">
+      <style:tab-stops>
+      <style:tab-stop style:position="0cm"/>
+      </style:tab-stops>
+      </style:paragraph-properties>
+    </style:style>
+    <style:style style:name="P_h7_i1" style:display-name="Hang 7 Indent 1" style:family="paragraph" style:parent-style-name="Text_body" style:class="text">
+      <style:paragraph-properties fo:margin-left="1cm" fo:margin-right="0cm" fo:text-indent="6cm" style:auto-text-indent="false">
+      <style:tab-stops>
+      <style:tab-stop style:position="0cm"/>
+      </style:tab-stops>
+      </style:paragraph-properties>
+    </style:style>
+    <style:style style:name="P_h7_i2" style:display-name="Hang 7 Indent 2" style:family="paragraph" style:parent-style-name="Text_body" style:class="text">
+      <style:paragraph-properties fo:margin-left="2cm" fo:margin-right="0cm" fo:text-indent="5cm" style:auto-text-indent="false">
+      <style:tab-stops>
+      <style:tab-stop style:position="0cm"/>
+      </style:tab-stops>
+      </style:paragraph-properties>
+    </style:style>
+    <style:style style:name="P_h7_i3" style:display-name="Hang 7 Indent 3" style:family="paragraph" style:parent-style-name="Text_body" style:class="text">
+      <style:paragraph-properties fo:margin-left="3cm" fo:margin-right="0cm" fo:text-indent="4cm" style:auto-text-indent="false">
+      <style:tab-stops>
+      <style:tab-stop style:position="0cm"/>
+      </style:tab-stops>
+      </style:paragraph-properties>
+    </style:style>
+    <style:style style:name="P_h7_i4" style:display-name="Hang 7 Indent 4" style:family="paragraph" style:parent-style-name="Text_body" style:class="text">
+      <style:paragraph-properties fo:margin-left="4cm" fo:margin-right="0cm" fo:text-indent="3cm" style:auto-text-indent="false">
+      <style:tab-stops>
+      <style:tab-stop style:position="0cm"/>
+      </style:tab-stops>
+      </style:paragraph-properties>
+    </style:style>
+    <style:style style:name="P_h7_i5" style:display-name="Hang 7 Indent 5" style:family="paragraph" style:parent-style-name="Text_body" style:class="text">
+      <style:paragraph-properties fo:margin-left="5cm" fo:margin-right="0cm" fo:text-indent="2cm" style:auto-text-indent="false">
+      <style:tab-stops>
+      <style:tab-stop style:position="0cm"/>
+      </style:tab-stops>
+      </style:paragraph-properties>
+    </style:style>
+    <style:style style:name="P_h7_i6" style:display-name="Hang 7 Indent 6" style:family="paragraph" style:parent-style-name="Text_body" style:class="text">
+      <style:paragraph-properties fo:margin-left="6cm" fo:margin-right="0cm" fo:text-indent="1cm" style:auto-text-indent="false">
+      <style:tab-stops>
+      <style:tab-stop style:position="0cm"/>
+      </style:tab-stops>
+      </style:paragraph-properties>
+    </style:style>
+    <style:style style:name="P_h7_i7" style:display-name="Hang 7 Indent 7" style:family="paragraph" style:parent-style-name="Text_body" style:class="text">
+      <style:paragraph-properties fo:margin-left="7cm" fo:margin-right="0cm" fo:text-indent="0cm" style:auto-text-indent="false">
+      <style:tab-stops>
+      <style:tab-stop style:position="0cm"/>
+      </style:tab-stops>
+      </style:paragraph-properties>
+    </style:style>
+    <style:style style:name="P_h7_i8" style:display-name="Hang 7 Indent 8" style:family="paragraph" style:parent-style-name="Text_body" style:class="text">
+      <style:paragraph-properties fo:margin-left="8cm" fo:margin-right="0cm" fo:text-indent="-1cm" style:auto-text-indent="false">
+      <style:tab-stops>
+      <style:tab-stop style:position="0cm"/>
+      </style:tab-stops>
+      </style:paragraph-properties>
+    </style:style>
+    <style:style style:name="P_h7_i9" style:display-name="Hang 7 Indent 9" style:family="paragraph" style:parent-style-name="Text_body" style:class="text">
+      <style:paragraph-properties fo:margin-left="9cm" fo:margin-right="0cm" fo:text-indent="-2cm" style:auto-text-indent="false">
+      <style:tab-stops>
+      <style:tab-stop style:position="0cm"/>
+      </style:tab-stops>
+      </style:paragraph-properties>
+    </style:style>
+    <style:style style:name="P_h8_i0" style:display-name="Hang 8 Indent 0" style:family="paragraph" style:parent-style-name="Text_body" style:class="text">
+      <style:paragraph-properties fo:margin-left="0cm" fo:margin-right="0cm" fo:text-indent="8cm" style:auto-text-indent="false">
+      <style:tab-stops>
+      <style:tab-stop style:position="0cm"/>
+      </style:tab-stops>
+      </style:paragraph-properties>
+    </style:style>
+    <style:style style:name="P_h8_i1" style:display-name="Hang 8 Indent 1" style:family="paragraph" style:parent-style-name="Text_body" style:class="text">
+      <style:paragraph-properties fo:margin-left="1cm" fo:margin-right="0cm" fo:text-indent="7cm" style:auto-text-indent="false">
+      <style:tab-stops>
+      <style:tab-stop style:position="0cm"/>
+      </style:tab-stops>
+      </style:paragraph-properties>
+    </style:style>
+    <style:style style:name="P_h8_i2" style:display-name="Hang 8 Indent 2" style:family="paragraph" style:parent-style-name="Text_body" style:class="text">
+      <style:paragraph-properties fo:margin-left="2cm" fo:margin-right="0cm" fo:text-indent="6cm" style:auto-text-indent="false">
+      <style:tab-stops>
+      <style:tab-stop style:position="0cm"/>
+      </style:tab-stops>
+      </style:paragraph-properties>
+    </style:style>
+    <style:style style:name="P_h8_i3" style:display-name="Hang 8 Indent 3" style:family="paragraph" style:parent-style-name="Text_body" style:class="text">
+      <style:paragraph-properties fo:margin-left="3cm" fo:margin-right="0cm" fo:text-indent="5cm" style:auto-text-indent="false">
+      <style:tab-stops>
+      <style:tab-stop style:position="0cm"/>
+      </style:tab-stops>
+      </style:paragraph-properties>
+    </style:style>
+    <style:style style:name="P_h8_i4" style:display-name="Hang 8 Indent 4" style:family="paragraph" style:parent-style-name="Text_body" style:class="text">
+      <style:paragraph-properties fo:margin-left="4cm" fo:margin-right="0cm" fo:text-indent="4cm" style:auto-text-indent="false">
+      <style:tab-stops>
+      <style:tab-stop style:position="0cm"/>
+      </style:tab-stops>
+      </style:paragraph-properties>
+    </style:style>
+    <style:style style:name="P_h8_i5" style:display-name="Hang 8 Indent 5" style:family="paragraph" style:parent-style-name="Text_body" style:class="text">
+      <style:paragraph-properties fo:margin-left="5cm" fo:margin-right="0cm" fo:text-indent="3cm" style:auto-text-indent="false">
+      <style:tab-stops>
+      <style:tab-stop style:position="0cm"/>
+      </style:tab-stops>
+      </style:paragraph-properties>
+    </style:style>
+    <style:style style:name="P_h8_i6" style:display-name="Hang 8 Indent 6" style:family="paragraph" style:parent-style-name="Text_body" style:class="text">
+      <style:paragraph-properties fo:margin-left="6cm" fo:margin-right="0cm" fo:text-indent="2cm" style:auto-text-indent="false">
+      <style:tab-stops>
+      <style:tab-stop style:position="0cm"/>
+      </style:tab-stops>
+      </style:paragraph-properties>
+    </style:style>
+    <style:style style:name="P_h8_i7" style:display-name="Hang 8 Indent 7" style:family="paragraph" style:parent-style-name="Text_body" style:class="text">
+      <style:paragraph-properties fo:margin-left="7cm" fo:margin-right="0cm" fo:text-indent="1cm" style:auto-text-indent="false">
+      <style:tab-stops>
+      <style:tab-stop style:position="0cm"/>
+      </style:tab-stops>
+      </style:paragraph-properties>
+    </style:style>
+    <style:style style:name="P_h8_i8" style:display-name="Hang 8 Indent 8" style:family="paragraph" style:parent-style-name="Text_body" style:class="text">
+      <style:paragraph-properties fo:margin-left="8cm" fo:margin-right="0cm" fo:text-indent="0cm" style:auto-text-indent="false">
+      <style:tab-stops>
+      <style:tab-stop style:position="0cm"/>
+      </style:tab-stops>
+      </style:paragraph-properties>
+    </style:style>
+    <style:style style:name="P_h8_i9" style:display-name="Hang 8 Indent 9" style:family="paragraph" style:parent-style-name="Text_body" style:class="text">
+      <style:paragraph-properties fo:margin-left="9cm" fo:margin-right="0cm" fo:text-indent="-1cm" style:auto-text-indent="false">
+      <style:tab-stops>
+      <style:tab-stop style:position="0cm"/>
+      </style:tab-stops>
+      </style:paragraph-properties>
+    </style:style>
+    <style:style style:name="P_h9_i0" style:display-name="Hang 9 Indent 0" style:family="paragraph" style:parent-style-name="Text_body" style:class="text">
+      <style:paragraph-properties fo:margin-left="0cm" fo:margin-right="0cm" fo:text-indent="9cm" style:auto-text-indent="false">
+      <style:tab-stops>
+      <style:tab-stop style:position="0cm"/>
+      </style:tab-stops>
+      </style:paragraph-properties>
+    </style:style>
+    <style:style style:name="P_h9_i1" style:display-name="Hang 9 Indent 1" style:family="paragraph" style:parent-style-name="Text_body" style:class="text">
+      <style:paragraph-properties fo:margin-left="1cm" fo:margin-right="0cm" fo:text-indent="8cm" style:auto-text-indent="false">
+      <style:tab-stops>
+      <style:tab-stop style:position="0cm"/>
+      </style:tab-stops>
+      </style:paragraph-properties>
+    </style:style>
+    <style:style style:name="P_h9_i2" style:display-name="Hang 9 Indent 2" style:family="paragraph" style:parent-style-name="Text_body" style:class="text">
+      <style:paragraph-properties fo:margin-left="2cm" fo:margin-right="0cm" fo:text-indent="7cm" style:auto-text-indent="false">
+      <style:tab-stops>
+      <style:tab-stop style:position="0cm"/>
+      </style:tab-stops>
+      </style:paragraph-properties>
+    </style:style>
+    <style:style style:name="P_h9_i3" style:display-name="Hang 9 Indent 3" style:family="paragraph" style:parent-style-name="Text_body" style:class="text">
+      <style:paragraph-properties fo:margin-left="3cm" fo:margin-right="0cm" fo:text-indent="6cm" style:auto-text-indent="false">
+      <style:tab-stops>
+      <style:tab-stop style:position="0cm"/>
+      </style:tab-stops>
+      </style:paragraph-properties>
+    </style:style>
+    <style:style style:name="P_h9_i4" style:display-name="Hang 9 Indent 4" style:family="paragraph" style:parent-style-name="Text_body" style:class="text">
+      <style:paragraph-properties fo:margin-left="4cm" fo:margin-right="0cm" fo:text-indent="5cm" style:auto-text-indent="false">
+      <style:tab-stops>
+      <style:tab-stop style:position="0cm"/>
+      </style:tab-stops>
+      </style:paragraph-properties>
+    </style:style>
+    <style:style style:name="P_h9_i5" style:display-name="Hang 9 Indent 5" style:family="paragraph" style:parent-style-name="Text_body" style:class="text">
+      <style:paragraph-properties fo:margin-left="5cm" fo:margin-right="0cm" fo:text-indent="4cm" style:auto-text-indent="false">
+      <style:tab-stops>
+      <style:tab-stop style:position="0cm"/>
+      </style:tab-stops>
+      </style:paragraph-properties>
+    </style:style>
+    <style:style style:name="P_h9_i6" style:display-name="Hang 9 Indent 6" style:family="paragraph" style:parent-style-name="Text_body" style:class="text">
+      <style:paragraph-properties fo:margin-left="6cm" fo:margin-right="0cm" fo:text-indent="3cm" style:auto-text-indent="false">
+      <style:tab-stops>
+      <style:tab-stop style:position="0cm"/>
+      </style:tab-stops>
+      </style:paragraph-properties>
+    </style:style>
+    <style:style style:name="P_h9_i7" style:display-name="Hang 9 Indent 7" style:family="paragraph" style:parent-style-name="Text_body" style:class="text">
+      <style:paragraph-properties fo:margin-left="7cm" fo:margin-right="0cm" fo:text-indent="2cm" style:auto-text-indent="false">
+      <style:tab-stops>
+      <style:tab-stop style:position="0cm"/>
+      </style:tab-stops>
+      </style:paragraph-properties>
+    </style:style>
+    <style:style style:name="P_h9_i8" style:display-name="Hang 9 Indent 8" style:family="paragraph" style:parent-style-name="Text_body" style:class="text">
+      <style:paragraph-properties fo:margin-left="8cm" fo:margin-right="0cm" fo:text-indent="1cm" style:auto-text-indent="false">
+      <style:tab-stops>
+      <style:tab-stop style:position="0cm"/>
+      </style:tab-stops>
+      </style:paragraph-properties>
+    </style:style>
+    <style:style style:name="P_h9_i9" style:display-name="Hang 9 Indent 9" style:family="paragraph" style:parent-style-name="Text_body" style:class="text">
+      <style:paragraph-properties fo:margin-left="9cm" fo:margin-right="0cm" fo:text-indent="0cm" style:auto-text-indent="false">
+      <style:tab-stops>
+      <style:tab-stop style:position="0cm"/>
+      </style:tab-stops>
+      </style:paragraph-properties>
+    </style:style>
+    <style:style style:name="Span_bold" style:family="text">
+      <style:text-properties fo:font-weight="bold" style:font-weight-asian="bold" style:font-weight-complex="bold"/>
+    </style:style>
+    <style:style style:name="Span_italic" style:family="text">
+      <style:text-properties fo:font-style="italic" style:font-style-asian="italic" style:font-style-complex="italic"/>
+    </style:style>
+    <style:style style:name="Span_underscore" style:family="text">
+      <style:text-properties style:text-underline-style="solid" style:text-underline-width="auto" style:text-underline-color="font-color"/>
+    </style:style>
+    <style:style style:name="Span_superscript" style:family="text">
+      <style:text-properties style:text-position="super 58%%"/>
+    </style:style>
+    <style:style style:name="Span_subscript" style:family="text">
+      <style:text-properties style:text-position="sub 58%%"/>
+    </style:style>
+    <style:style style:name="Span_monospace" style:family="text">
+      <style:text-properties style:font-name="DejaVu Sans Mono" fo:font-size="10pt" fo:font-weight="normal" fo:background-color="#e6e6e6"/>
+    </style:style>
+    <style:style style:name="Heading" style:family="paragraph" style:next-style-name="Text_body" style:class="text">
+      <style:paragraph-properties fo:margin-top="0.423cm" fo:margin-bottom="0.212cm" fo:keep-with-next="always"/>
+      <style:text-properties style:font-name="Bitstream Vera Sans" fo:font-size="14pt" style:font-size-asian="14pt" style:font-name-complex="Tahoma" style:font-size-complex="14pt"/>
+    </style:style>
+    <style:style style:name="H_1" style:display-name="Heading 1" style:family="paragraph" style:next-style-name="Text_body" style:default-outline-level="1" style:class="text">
+      <style:text-properties fo:font-size="120%%" fo:font-weight="bold" style:font-size-asian="120%%" style:font-weight-asian="bold" style:font-size-complex="115%%" style:font-weight-complex="bold"/>
+    </style:style>
+    <style:style style:name="H_2" style:display-name="Heading 2" style:family="paragraph" style:next-style-name="Text_body" style:default-outline-level="2" style:class="text">
+      <style:text-properties fo:font-size="115%%" fo:font-weight="bold" style:font-size-asian="115%%" style:font-weight-asian="bold" style:font-size-complex="115%%" style:font-weight-complex="bold"/>
+    </style:style>
+    <style:style style:name="H_3" style:display-name="Heading 3" style:family="paragraph" style:next-style-name="Text_body" style:default-outline-level="3" style:class="text">
+      <style:text-properties fo:font-size="110%%" fo:font-weight="bold" style:font-size-asian="110%%" style:font-weight-asian="bold" style:font-size-complex="115%%" style:font-weight-complex="bold"/>
+    </style:style>
+    <style:style style:name="H_4" style:display-name="Heading 4" style:family="paragraph" style:next-style-name="Text_body" style:default-outline-level="4" style:class="text">
+      <style:text-properties fo:font-size="12pt" fo:font-style="italic" fo:font-weight="bold" style:font-size-asian="12pt" style:font-style-asian="italic" style:font-weight-asian="bold" style:font-size-complex="12pt" style:font-style-complex="italic" style:font-weight-complex="bold"/>
+    </style:style>
+    <style:style style:name="H_5" style:display-name="Heading 5" style:family="paragraph" style:next-style-name="Text_body" style:default-outline-level="5" style:class="text">
+      <style:text-properties fo:font-size="90%%" fo:font-style="italic" fo:font-weight="bold" style:font-size-asian="90%%" style:font-style-asian="italic" style:font-weight-asian="bold" style:font-size-complex="90%%" style:font-style-complex="italic" style:font-weight-complex="bold"/>
+    </style:style>
+    <style:style style:name="H_6" style:display-name="Heading 6" style:family="paragraph" style:next-style-name="Text_body" style:default-outline-level="6" style:class="text">
+      <style:text-properties fo:font-size="80%%" fo:font-style="italic" fo:font-weight="bold" style:font-size-asian="80%%" style:font-style-asian="italic" style:font-weight-asian="bold" style:font-size-complex="80%%" style:font-style-complex="italic" style:font-weight-complex="bold"/>
+    </style:style>
+    <style:style style:name="P_group" style:family="paragraph" style:parent-style-name="Standard">
+      <style:paragraph-properties fo:margin-top="0cm" fo:margin-bottom="0cm" fo:line-height="100%%" fo:text-align="justify" style:justify-single-word="false"/>
+    </style:style>
+    <style:style style:name="P_code" style:family="paragraph" style:parent-style-name="Standard">
+      <style:paragraph-properties fo:margin-top="0cm" fo:margin-bottom="0cm" fo:line-height="100%%" fo:text-align="start" style:justify-single-word="false"/>
+      <style:text-properties style:font-name="DejaVu Sans Mono" fo:font-size="9pt" fo:font-weight="normal" fo:background-color="#e6e6e6"/>
+    </style:style>
+    <style:style style:name="Footnote" style:family="paragraph" style:class="extra">
+      <style:paragraph-properties fo:margin-left="0.499cm" fo:margin-right="0cm" fo:text-indent="-0.499cm" style:auto-text-indent="false" text:number-lines="false" text:line-number="0"/>
+      <style:text-properties fo:font-size="10pt" style:font-size-asian="10pt" style:font-size-complex="10pt"/>
+    </style:style>
+    <style:style style:name="Table_Contents" style:display-name="Table Contents" style:family="paragraph" style:parent-style-name="Standard" style:class="extra">
+      <style:paragraph-properties text:number-lines="false" text:line-number="0"/>
+    </style:style>
+    <style:style style:name="Footnote_symbol" style:display-name="Footnote Symbol" style:family="text"/>
+    <style:style style:name="Footnote_anchor" style:display-name="Footnote Anchor" style:family="text">
+      <style:text-properties style:text-position="super 58%%"/>
+    </style:style>
+    <style:style style:name="Internet_link" style:display-name="Internet link" style:family="text">
+      <style:text-properties fo:color="#000080" fo:language="zxx" fo:country="none" style:text-underline-style="solid" style:text-underline-width="auto" style:text-underline-color="font-color" style:language-asian="zxx" style:country-asian="none" style:language-complex="zxx" style:country-complex="none"/>
+    </style:style>
+    <style:style style:name="Graphics" style:family="graphic">
+      <style:graphic-properties text:anchor-type="paragraph" svg:x="0cm" svg:y="0cm" style:wrap="dynamic" style:number-wrapped-paragraphs="no-limit" style:wrap-contour="false" style:vertical-pos="top" style:vertical-rel="paragraph" style:horizontal-pos="center" style:horizontal-rel="paragraph"/>
+    </style:style>
+    <text:outline-style style:name="Outline">
+      <text:outline-level-style text:level="1" style:num-format="">
+      <style:list-level-properties text:min-label-distance="0.381cm"/>
+    </text:outline-level-style>
+    <text:outline-level-style text:level="2" style:num-format="">
+      <style:list-level-properties text:min-label-distance="0.381cm"/>
+    </text:outline-level-style>
+    <text:outline-level-style text:level="3" style:num-format="">
+      <style:list-level-properties text:min-label-distance="0.381cm"/>
+    </text:outline-level-style>
+    <text:outline-level-style text:level="4" style:num-format="">
+      <style:list-level-properties text:min-label-distance="0.381cm"/>
+    </text:outline-level-style>
+    <text:outline-level-style text:level="5" style:num-format="">
+      <style:list-level-properties text:min-label-distance="0.381cm"/>
+    </text:outline-level-style>
+    <text:outline-level-style text:level="6" style:num-format="">
+      <style:list-level-properties text:min-label-distance="0.381cm"/>
+    </text:outline-level-style>
+    <text:outline-level-style text:level="7" style:num-format="">
+      <style:list-level-properties text:min-label-distance="0.381cm"/>
+    </text:outline-level-style>
+    <text:outline-level-style text:level="8" style:num-format="">
+      <style:list-level-properties text:min-label-distance="0.381cm"/>
+    </text:outline-level-style>
+    <text:outline-level-style text:level="9" style:num-format="">
+      <style:list-level-properties text:min-label-distance="0.381cm"/>
+    </text:outline-level-style>
+    <text:outline-level-style text:level="10" style:num-format="">
+      <style:list-level-properties text:min-label-distance="0.381cm"/>
+    </text:outline-level-style>
+    </text:outline-style>
+    <text:notes-configuration text:note-class="footnote" text:citation-style-name="Footnote_symbol" text:citation-body-style-name="Footnote_anchor" style:num-format="1" text:start-value="0" text:footnotes-position="page" text:start-numbering-at="document"/>
+    <text:notes-configuration text:note-class="endnote" style:num-format="i" text:start-value="0"/>
+    <text:linenumbering-configuration text:number-lines="false" text:offset="0.499cm" style:num-format="1" text:number-position="left" text:increment="5"/>
+    <style:style style:name="fr1" style:family="graphic" style:parent-style-name="Graphics">
+      <style:graphic-properties style:wrap="none" style:horizontal-pos="left" style:horizontal-rel="paragraph" style:mirror="none" fo:clip="rect(0cm 0cm 0cm 0cm)" draw:luminance="0%%" draw:contrast="0%%" draw:red="0%%" draw:green="0%%" draw:blue="0%%" draw:gamma="100%%" draw:color-inversion="false" draw:image-opacity="100%%" draw:color-mode="standard"/>
+    </style:style>
+    <style:style style:name="gr1" style:family="graphic">
+      <style:graphic-properties draw:stroke="none" draw:fill="none" draw:textarea-horizontal-align="center" draw:textarea-vertical-align="middle" draw:color-mode="standard" draw:luminance="0%%" draw:contrast="0%%" draw:gamma="100%%" draw:red="0%%" draw:green="0%%" draw:blue="0%%" fo:clip="rect(0cm 0cm 0cm 0cm)" draw:image-opacity="100%%" style:mirror="none" style:run-through="background" style:wrap="none" style:vertical-pos="top" style:vertical-rel="baseline" style:horizontal-pos="left" style:horizontal-rel="paragraph" draw:wrap-influence-on-position="once-concurrent" style:flow-with-text="false"/>
+    </style:style>
+    <style:style style:name="gr2" style:family="graphic">
+      <style:graphic-properties draw:stroke="none" draw:fill="none" draw:textarea-horizontal-align="center" draw:textarea-vertical-align="middle" draw:color-mode="standard" draw:luminance="0%%" draw:contrast="0%%" draw:gamma="100%%" draw:red="0%%" draw:green="0%%" draw:blue="0%%" fo:clip="rect(0cm 0cm 0cm 0cm)" draw:image-opacity="100%%" style:mirror="none" style:run-through="background" style:wrap="none" style:vertical-pos="middle" style:vertical-rel="baseline" style:horizontal-pos="left" style:horizontal-rel="paragraph" draw:wrap-influence-on-position="once-concurrent" style:flow-with-text="false"/>
+    </style:style>
+    </office:styles>
+    <office:automatic-styles>
+    <style:page-layout style:name="Mpm1">
+    <style:page-layout-properties fo:page-width="20.999cm" fo:page-height="29.699cm" style:num-format="1" style:print-orientation="portrait" fo:margin-top="2cm" fo:margin-bottom="2cm" fo:margin-left="2cm" fo:margin-right="2cm" style:writing-mode="lr-tb" style:footnote-max-height="0cm">
+    <style:footnote-sep style:width="0.018cm" style:distance-before-sep="0.101cm" style:distance-after-sep="0.101cm" style:line-style="none" style:adjustment="left" style:rel-width="25%%" style:color="#000000"/>
+    </style:page-layout-properties>
+    <style:header-style/>
+    <style:footer-style/>
+    </style:page-layout>
+  </office:automatic-styles>
+  <office:master-styles>
+    <style:master-page style:name="Standard" style:page-layout-name="Mpm1"/>
+  </office:master-styles>
+</office:document-styles>
+#+END_SRC
+
+#+name: output_odt_fixed_styles_xml
+#+BEGIN_SRC d
+┃");
+  return _styles_xml;
+}
+#+END_SRC
+
+** moving parts
+*** ↻ content.xml TODO                                        :content_xml:
+**** content head
+***** head open
+
+#+name: output_odt_variable_content_xml
+#+BEGIN_SRC d
+string odt_head(I)(I doc_matters) {
+  string _has_tables = format(q"┃
+#+END_SRC
+
+***** if table include within head
+
+#+name: output_odt_variable_content_xml
+#+BEGIN_SRC xml
+  <style:style style:name="Table1" style:family="table">
+    <style:table-properties style:width="16.999cm" table:align="margins"/>
+  </style:style>
+  <style:style style:name="Table1.A" style:family="table-column">
+    <style:table-column-properties style:column-width="16.999cm" style:rel-column-width="65535*"/>
+  </style:style>
+  <style:style style:name="Table1.B" style:family="table-column">
+    <style:table-column-properties style:column-width="8.499cm" style:rel-column-width="32767*"/>
+  </style:style>
+  <style:style style:name="Table1.C" style:family="table-column">
+    <style:table-column-properties style:column-width="5.666cm" style:rel-column-width="21845*"/>
+  </style:style>
+  <style:style style:name="Table1.D" style:family="table-column">
+    <style:table-column-properties style:column-width="4.349cm" style:rel-column-width="16383*"/>
+  </style:style>
+  <style:style style:name="Table1.E" style:family="table-column">
+    <style:table-column-properties style:column-width="3.399cm" style:rel-column-width="13107*"/>
+  </style:style>
+  <style:style style:name="Table1.F" style:family="table-column">
+    <style:table-column-properties style:column-width="2.833cm" style:rel-column-width="10922*"/>
+  </style:style>
+  <style:style style:name="Table1.G" style:family="table-column">
+    <style:table-column-properties style:column-width="2.428cm" style:rel-column-width="9362*"/>
+  </style:style>
+  <style:style style:name="Table1.H" style:family="table-column">
+    <style:table-column-properties style:column-width="2.124cm" style:rel-column-width="8191*"/>
+  </style:style>
+  <style:style style:name="Table2" style:family="table">
+    <style:table-properties style:width="16.999cm" table:align="margins"/>
+  </style:style>
+  <style:style style:name="Table2.A" style:family="table-column">
+    <style:table-column-properties style:column-width="16.999cm" style:rel-column-width="65535*"/>
+  </style:style>
+  <style:style style:name="Table2.B" style:family="table-column">
+    <style:table-column-properties style:column-width="8.499cm" style:rel-column-width="32767*"/>
+  </style:style>
+  <style:style style:name="Table2.C" style:family="table-column">
+    <style:table-column-properties style:column-width="5.666cm" style:rel-column-width="21845*"/>
+  </style:style>
+  <style:style style:name="Table2.D" style:family="table-column">
+    <style:table-column-properties style:column-width="4.349cm" style:rel-column-width="16383*"/>
+  </style:style>
+  <style:style style:name="Table2.E" style:family="table-column">
+    <style:table-column-properties style:column-width="3.999cm" style:rel-column-width="13107*"/>
+  </style:style>
+  <style:style style:name="Table2.F" style:family="table-column">
+    <style:table-column-properties style:column-width="2.833cm" style:rel-column-width="10922*"/>
+  </style:style>
+  <style:style style:name="Table2.G" style:family="table-column">
+    <style:table-column-properties style:column-width="2.428cm" style:rel-column-width="9362*"/>
+  </style:style>
+  <style:style style:name="Table2.H" style:family="table-column">
+    <style:table-column-properties style:column-width="2.124cm" style:rel-column-width="8191*"/>
+  </style:style>
+  <style:style style:name="Table2.I" style:family="table-column">
+    <style:table-column-properties style:column-width="1.8887cm" style:rel-column-width="7281*"/>
+  </style:style>
+  <style:style style:name="Table2.J" style:family="table-column">
+    <style:table-column-properties style:column-width="1.6999cm" style:rel-column-width="6553*"/>
+  </style:style>
+  <style:style style:name="Table2.K" style:family="table-column">
+    <style:table-column-properties style:column-width="1.5453cm" style:rel-column-width="5957*"/>
+  </style:style>
+  <style:style style:name="Table2.L" style:family="table-column">
+    <style:table-column-properties style:column-width="1.416cm" style:rel-column-width="5461*"/>
+  </style:style>
+  <style:style style:name="Table2.M" style:family="table-column">
+    <style:table-column-properties style:column-width="1.307" style:rel-column-width="5041*"/>
+  </style:style>
+  <style:style style:name="Table2.N" style:family="table-column">
+    <style:table-column-properties style:column-width="1.214cm" style:rel-column-width="4681*"/>
+  </style:style>
+#+END_SRC
+
+***** head
+
+#+name: output_odt_variable_content_xml
+#+BEGIN_SRC d
+┃",);
+  string _odt_head = format(q"┃<?xml version="1.0" encoding="UTF-8"?>
+#+END_SRC
+
+***** head xml
+
+#+name: output_odt_variable_content_xml
+#+BEGIN_SRC xml
+<office:document-content xmlns:office="urn:oasis:names:tc:opendocument:xmlns:office:1.0" xmlns:style="urn:oasis:names:tc:opendocument:xmlns:style:1.0" xmlns:text="urn:oasis:names:tc:opendocument:xmlns:text:1.0" xmlns:table="urn:oasis:names:tc:opendocument:xmlns:table:1.0" xmlns:draw="urn:oasis:names:tc:opendocument:xmlns:drawing:1.0" xmlns:fo="urn:oasis:names:tc:opendocument:xmlns:xsl-fo-compatible:1.0" xmlns:xl="http://www.w3.org/1999/xlink" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:meta="urn:oasis:names:tc:opendocument:xmlns:meta:1.0" xmlns:number="urn:oasis:names:tc:opendocument:xmlns:datastyle:1.0" xmlns:svg="urn:oasis:names:tc:opendocument:xmlns:svg-compatible:1.0" xmlns:chart="urn:oasis:names:tc:opendocument:xmlns:chart:1.0" xmlns:dr3d="urn:oasis:names:tc:opendocument:xmlns:dr3d:1.0" xmlns:math="http://www.w3.org/1998/Math/MathML" xmlns:form="urn:oasis:names:tc:opendocument:xmlns:form:1.0" xmlns:script="urn:oasis:names:tc:opendocument:xmlns:script:1.0" xmlns:ooo="http://openoffice.org/2004/office" xmlns:ooow="http://openoffice.org/2004/writer" xmlns:oooc="http://openoffice.org/2004/calc" xmlns:dom="http://www.w3.org/2001/xml-events" xmlns:xforms="http://www.w3.org/2002/xforms" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:rpt="http://openoffice.org/2005/report" xmlns:of="urn:oasis:names:tc:opendocument:xmlns:of:1.2" xmlns:xhtml="http://www.w3.org/1999/xhtml" xmlns:grddl="http://www.w3.org/2003/g/data-view#" xmlns:tableooo="http://openoffice.org/2009/table" xmlns:field="urn:openoffice:names:experimental:ooo-ms-interop:xmlns:field:1.0" xmlns:formx="urn:openoffice:names:experimental:ooxml-odf-interop:xmlns:form:1.0" xmlns:css3t="http://www.w3.org/TR/css3-text/" office:version="1.2">
+<office:scripts/>
+<office:font-face-decls>
+<style:font-face style:name="DejaVu Sans Mono" svg:font-family="'DejaVu Sans Mono'" style:font-adornments="Book" style:font-family-generic="modern" style:font-pitch="fixed"/>
+<style:font-face style:name="Inconsolata" svg:font-family="Inconsolata" style:font-adornments="Regular" style:font-pitch="fixed"/>
+<style:font-face style:name="Liberation Mono" svg:font-family="'Liberation Mono'" style:font-adornments="Regular" style:font-family-generic="modern" style:font-pitch="fixed"/>
+<style:font-face style:name="DejaVu Sans" svg:font-family="'DejaVu Sans'" style:font-adornments="ExtraLight" style:font-family-generic="swiss" style:font-pitch="variable"/>
+<style:font-face style:name="Nimbus Sans L" svg:font-family="'Nimbus Sans L'" style:font-pitch="variable"/>
+<style:font-face style:name="Tahoma" svg:font-family="Tahoma, Lucidasans, 'Lucida Sans', 'Arial Unicode MS'" style:font-pitch="variable"/>
+<style:font-face style:name="Nimbus Roman No9 L" svg:font-family="'Nimbus Roman No9 L'" style:font-family-generic="roman" style:font-pitch="variable"/>
+<style:font-face style:name="Bitstream Vera Sans" svg:font-family="'Bitstream Vera Sans'" style:font-family-generic="swiss" style:font-pitch="variable"/>
+</office:font-face-decls>
+<office:automatic-styles>
+  %s
+  <style:style style:name="P_table_cell" style:family="paragraph" style:parent-style-name="Table_Contents">
+    <style:paragraph-properties fo:text-align="justify" style:justify-single-word="false"/>
+  </style:style>
+</office:automatic-styles>
+<office:body>
+  <office:text text:use-soft-page-breaks="true">
+    <office:forms form:automatic-focus="false" form:apply-design-mode="false"/>
+    <text:sequence-decls>
+      <text:sequence-decl text:display-outline-level="0" text:name="Illustration"/>
+      <text:sequence-decl text:display-outline-level="0" text:name="Table"/>
+      <text:sequence-decl text:display-outline-level="0" text:name="Text"/>
+      <text:sequence-decl text:display-outline-level="0" text:name="Drawing"/>
+    </text:sequence-decls>
+#+END_SRC
+
+***** head close
+
+#+name: output_odt_variable_content_xml
+#+BEGIN_SRC d
+┃",
+  (doc_matters.has.tables > 0) ? _has_tables : "",
+);
+  return _odt_head;
+}
+#+END_SRC
+
+**** ↻ content body
+***** body open
+
+#+name: output_odt_variable_content_xml
+#+BEGIN_SRC d
+string odt_body(D,I)(
+  const D    doc_abstraction,
+        I    doc_matters,
+) {
+  mixin formatODT;
+  auto odt_format = formatODT();
+  string delimit = "";
+  string doc_odt = "";
+  string _txt = "";
+#+END_SRC
+
+***** ↻ the loop & outer switch (sections & objects) format output
+
+#+name: output_odt_variable_content_xml
+#+BEGIN_SRC d
+  foreach (part; doc_matters.has.keys_seq.scroll) {
+    foreach (obj; doc_abstraction[part]) {
+      switch (obj.metainfo.is_of_part) {
+#+END_SRC
+
+****** frontmatter
+
+#+name: output_odt_variable_content_xml
+#+BEGIN_SRC d
+      case "frontmatter":              assert(part == "head" || "toc");
+        switch (obj.metainfo.is_of_type) {
+        case "para":
+          switch (obj.metainfo.is_a) {
+          case "heading":
+            _txt = delimit ~ odt_format.heading(obj, doc_matters);
+            goto default;
+          case "toc":
+            _txt = odt_format.para(obj, doc_matters);
+            goto default;
+          default:
+            doc_odt ~= _txt;
+            _txt = "";
+            break;
+          }
+          break;
+        default: break;
+        }
+        break;
+#+END_SRC
+
+****** body
+
+#+name: output_odt_variable_content_xml
+#+BEGIN_SRC d
+      case "body":                     assert(part == "body" || "head"); // surprise
+        switch (obj.metainfo.is_of_type) {
+        case "para":
+          switch (obj.metainfo.is_a) {
+          case "heading":
+            _txt = delimit ~ odt_format.heading(obj, doc_matters);
+            goto default;
+          case "para":
+            _txt = odt_format.para(obj, doc_matters);
+            goto default;
+          default:
+            doc_odt ~= _txt;
+            _txt = "";
+            break;
+          }
+          break;
+        case "block":
+          switch (obj.metainfo.is_a) {
+          case "quote":
+            _txt = odt_format.quote(obj, doc_matters);
+            goto default;
+          case "group":
+            _txt = odt_format.group(obj, doc_matters);
+            goto default;
+          case "block":
+            _txt = odt_format.block(obj, doc_matters);
+            goto default;
+          case "verse":
+            _txt = odt_format.verse(obj, doc_matters);
+            goto default;
+          case "code":
+            _txt = odt_format.code(obj, doc_matters);
+            goto default;
+          case "table":
+            _txt = odt_format.table(obj, doc_matters);
+            goto default;
+          default:
+            doc_odt ~= _txt;
+            _txt = "";
+            break;
+          }
+          break;
+        default: break;
+        }
+        break;
+#+END_SRC
+
+****** backmatter
+
+#+name: output_odt_variable_content_xml
+#+BEGIN_SRC d
+      case "backmatter":
+        assert(part == "endnotes" || "glossary" || "bibliography" || "bookindex" || "blurb" || "tail");
+        switch (obj.metainfo.is_of_type) {
+        case "para":
+          switch (obj.metainfo.is_a) {
+          case "heading":
+            _txt = delimit ~ odt_format.heading(obj, doc_matters);
+            goto default;
+          case "endnote":              assert(part == "endnotes");
+            _txt = odt_format.para(obj, doc_matters);
+            goto default;
+          case "glossary":             assert(part == "glossary");
+            _txt = odt_format.para(obj, doc_matters);
+            goto default;
+          case "bibliography":         assert(part == "bibliography");
+            _txt = odt_format.para(obj, doc_matters);
+            goto default;
+          case "bookindex":            assert(part == "bookindex");
+            _txt = odt_format.para(obj, doc_matters);
+            goto default;
+          case "blurb":                assert(part == "blurb");
+            _txt = odt_format.para(obj, doc_matters);
+            goto default;
+          default:
+            doc_odt ~= _txt;
+            _txt = "";
+            break;
+          }
+          break;
+        default: break;
+        }
+        break;
+      case "comment":
+        break;
+      default:
+        { /+ debug +/
+          if (doc_matters.opt.action.debug_do
+          && doc_matters.opt.action.verbose) {
+            writeln(__FILE__, ":", __LINE__, ": ", obj.metainfo.is_of_part);
+            writeln(__FILE__, ":", __LINE__, ": ", obj.metainfo.is_a);
+            writeln(__FILE__, ":", __LINE__, ": ", obj.text);
+          }
+        }
+        break;
+#+END_SRC
+
+***** closings & post loop
+
+#+name: output_odt_variable_content_xml
+#+BEGIN_SRC d
+      }
+    }
+  }
+  return doc_odt;
+}
+#+END_SRC
+
+**** content book index?
+
+#+name: output_odt_variable_content_xml
+#+BEGIN_SRC d
+#+END_SRC
+
+**** content tail
+
+#+name: output_odt_variable_content_xml
+#+BEGIN_SRC d
+string odt_tail() {
+  string _odt_tail = format(q"┃<text:p text:style-name="P_normal">DocReform: &lt;<text:a xl:type="simple" xl:href="http://www.doc_reform.org">www.doc_reform.org</text:a>&gt; and &lt;<text:a xl:type="simple" xl:href="http://www.sisudoc.org">www.sisudoc.org</text:a>&gt;</text:p>
+</office:text></office:body></office:document-content>┃",);
+  return _odt_tail;
+}
+#+END_SRC
+
+**** hub
+
+#+name: output_odt_variable_content_xml
+#+BEGIN_SRC d
+string content_xml(D,I)(
+  const D    doc_abstraction,
+        I    doc_matters,
+) {
+  string _content_xml;
+  string break_line = (doc_matters.opt.action.debug_do) ? "\n" : "";
+  string odt_break_page = format(q"┃<text:p text:style-name="P_normal_page_new"/>┃",);
+  string br_pg          = format(q"┃<text:p text:style-name="P_normal_page_new"/>┃",);
+  _content_xml ~= odt_head(doc_matters);
+  _content_xml ~= odt_body(doc_abstraction, doc_matters);
+  _content_xml ~= odt_tail;
+  return _content_xml;
+}
+#+END_SRC
+
+*** manifest.xml (images list changes)                       :manifest_xml:
+    - META-INF/manifest.xml
+      - image list changes
+
+#+name: output_odt_variable_manifest_xml
+#+BEGIN_SRC d
+string manifest_xml(M)(
+  auto ref              M    doc_matters,
+) {
+  string _bullet = format(q"┃<manifest:file-entry manifest:media-type="" manifest:full-path="Pictures/bullet_09.png"/>┃");
+  string[] _images = [ _bullet ];
+  foreach (image; doc_matters.srcs.image_list) {
+    _images ~= format(q"┃    <manifest:file-entry manifest:media-type="" manifest:full-path="Pictures/%s"/>┃", image);
+  }
+  string _manifest_xml = format(q"┃<?xml version="1.0" encoding="UTF-8"?>
+#+END_SRC
+
+#+name: output_odt_variable_manifest_xml
+#+BEGIN_SRC xml
+<manifest:manifest xmlns:manifest="urn:oasis:names:tc:opendocument:xmlns:manifest:1.0" manifest:version="1.2">
+  <manifest:file-entry manifest:media-type="application/vnd.oasis.opendocument.text" manifest:version="1.2" manifest:full-path="/"/>
+  <manifest:file-entry manifest:media-type="text/xml" manifest:full-path="styles.xml"/>
+  <manifest:file-entry manifest:media-type="text/xml" manifest:full-path="content.xml"/>
+  %s
+  <manifest:file-entry manifest:media-type="text/xml" manifest:full-path="meta.xml"/>
+  <manifest:file-entry manifest:media-type="application/rdf+xml" manifest:full-path="manifest.rdf"/>
+  <manifest:file-entry manifest:media-type="application/binary" manifest:full-path="layout-cache"/>
+  <manifest:file-entry manifest:media-type="text/xml" manifest:full-path="settings.xml"/>
+</manifest:manifest>
+#+END_SRC
+
+#+name: output_odt_variable_manifest_xml
+#+BEGIN_SRC d
+┃",
+_images.join("\n"),
+);
+  return _manifest_xml;
+}
+#+END_SRC
+
+*** meta.xml (time stamp)                                        :meta_xml:
+
+#+name: output_odt_variable_meta_xml
+#+BEGIN_SRC d
+string meta_xml(M)(
+  auto ref              M    doc_matters,
+) {
+  /+ (meta_xml includes output time-stamp) +/
+  string _meta_xml = format(q"┃<?xml version="1.0" encoding="UTF-8"?>
+#+END_SRC
+
+#+name: output_odt_variable_meta_xml
+#+BEGIN_SRC xml
+<office:document-meta xmlns:office="urn:oasis:names:tc:opendocument:xmlns:office:1.0" xmlns:xl="http://www.w3.org/1999/xlink" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:meta="urn:oasis:names:tc:opendocument:xmlns:meta:1.0" xmlns:ooo="http://openoffice.org/2004/office" xmlns:grddl="http://www.w3.org/2003/g/data-view#" office:version="1.2">
+  <office:meta>
+    <meta:generator>%s</meta:generator>
+    <meta:creation-date>%s</meta:creation-date>
+    <dc:date>%s</dc:date>
+    <dc:language>en-US</dc:language>
+  </office:meta>
+</office:document-meta>
+#+END_SRC
+
+#+name: output_odt_variable_meta_xml
+#+BEGIN_SRC d
+┃",
+doc_matters.generator_program.name_and_version,
+doc_matters.generated_time,
+doc_matters.generated_time,
+);
+  return _meta_xml;
+}
+#+END_SRC
+
+*** copy images                                                    :images:
+
+#+name: output_odt_variable_copy_odt_images
+#+BEGIN_SRC d
+void images_cp(M)(
+  auto ref              M    doc_matters,
+) {
+  { /+ (copy odt images) +/
+    auto pth_odt = DocReformPathsODT!()(doc_matters);
+    foreach (image; doc_matters.srcs.image_list) {
+      auto fn_src_in = doc_matters.src.image_dir_path ~ "/" ~ image;
+      auto fn_src_out_file = pth_odt.image_dir("fs") ~ "/" ~ image;
+      auto fn_src_out_zip = pth_odt.image_dir("zip") ~ "/" ~ image;
+      if (exists(fn_src_in)) {
+        if (doc_matters.opt.action.debug_do) {
+          if (doc_matters.opt.action.debug_do) {
+            fn_src_in.copy(fn_src_out_file);
+          }
+        }
+      }
+    }
+  }
+  // return 0;
+}
+#+END_SRC
diff --git a/org/out_sqlite.org b/org/out_sqlite.org
new file mode 100644
index 0000000..7115a41
--- /dev/null
+++ b/org/out_sqlite.org
@@ -0,0 +1,1931 @@
+-*- mode: org -*-
+#+TITLE:       spine (doc_reform) output sqlite
+#+DESCRIPTION: documents - structuring, publishing in multiple formats & search
+#+FILETAGS:    :spine:output:db:sql:sqlite:
+#+AUTHOR:      Ralph Amissah
+#+EMAIL:       [[mailto:ralph.amissah@gmail.com][ralph.amissah@gmail.com]]
+#+COPYRIGHT:   Copyright (C) 2015 - 2019 Ralph Amissah
+#+LANGUAGE:    en
+#+STARTUP:     indent content hideblocks hidestars
+#+OPTIONS:     H:3 num:nil toc:t \n:nil @:t ::t |:t ^:nil _:nil -:t f:t *:t <:t
+#+OPTIONS:     TeX:t LaTeX:t skip:nil d:nil todo:t pri:nil tags:not-in-toc
+#+OPTIONS:     author:nil email:nil creator:nil timestamp:nil
+#+PROPERTY:    header-args :padline no :exports code :cache no :noweb yes
+#+EXPORT_SELECT_TAGS:  export
+#+EXPORT_EXCLUDE_TAGS: noexport
+#+TAGS: assert(a) class(c) debug(d) mixin(m) spine(s) tangle(T) template(t) WEB(W) noexport(n)
+
+- [[./spine.org][spine]]  [[./][org/]]
+- [[./output_hub.org][output_hub]]
+
+* sql
+** _module, templates_                                                :module:
+*** hub
+**** collection
+
+#+BEGIN_SRC d :tangle "../src/doc_reform/output/sqlite.d"
+module doc_reform.output.sqlite;
+<<output_imports>>
+import d2sqlite3;
+import std.typecons : Nullable;
+mixin DocReformOutputRgxInit;
+mixin InternalMarkup;
+static auto rgx = Rgx();
+static auto mkup = InlineMarkup();
+long _metadata_tid_lastrowid;
+template SQLiteHubBuildTablesAndPopulate() {
+  void SQLiteHubBuildTablesAndPopulate(D,M)(
+    const D  doc_abstraction,
+          M  doc_matters,
+  ) {
+    auto pth_sqlite = DocReformPathsSQLite!()(doc_matters.sqlite.filename, doc_matters.output_path);
+    pth_sqlite.base.mkdirRecurse;
+    auto db = Database(pth_sqlite.sqlite_file);
+    template SQLiteDbStatementComposite() {
+      void SQLiteDbStatementComposite(Db,D,M)(
+              Db   db,
+        const D    doc_abstraction,
+              M    doc_matters,
+      ) {
+        <<sqlite_db_statement_composite_collection>>
+        if (!(doc_matters.opt.action.quiet)) {
+          writeln(" ", pth_sqlite.sqlite_file);
+        }
+      }
+    }
+    SQLiteDbStatementComposite!()(db, doc_abstraction, doc_matters);
+  }
+}
+#+END_SRC
+
+**** discrete
+
+#+BEGIN_SRC d :tangle "../src/doc_reform/output/sqlite.d"
+template SQLiteHubDiscreteBuildTablesAndPopulate() {
+  void SQLiteHubDiscreteBuildTablesAndPopulate(D,M)(
+    const D    doc_abstraction,
+          M    doc_matters,
+  ) {
+    auto url_html = DocReformUrlsHTML!()(doc_matters.conf_make_meta.conf.webserv_url_doc_root, doc_matters.src.language);
+    auto pth_sqlite = DocReformPathsSQLiteDiscrete!()(doc_matters.output_path, doc_matters.src.language);
+    pth_sqlite.base.mkdirRecurse;
+    auto db = Database(pth_sqlite.sqlite_file(doc_matters.src.filename));
+    template SQLiteDiscreteDbStatementComposite() {
+      void SQLiteDiscreteDbStatementComposite(Db,D,M)(
+              Db   db,
+        const D    doc_abstraction,
+              M    doc_matters,
+      ) {
+        <<sqlite_db_statement_composite_discrete>>
+        if (!(doc_matters.opt.action.quiet)) {
+          writeln(" ", pth_sqlite.sqlite_file(doc_matters.src.filename));
+        }
+      }
+    }
+    SQLiteDiscreteDbStatementComposite!()(db, doc_abstraction, doc_matters);
+  }
+}
+#+END_SRC
+
+*** db run
+
+#+BEGIN_SRC d :tangle "../src/doc_reform/output/sqlite.d"
+template SQLiteDbRun() {
+  void SQLiteDbRun(Db,St,O)(
+    Db       db,
+    St       db_statement,
+    O        opt_action,
+    string   note,
+  ) {
+    debug(sql_statement) {
+      writeln(db_statement);
+    }
+    try {
+      db.run(
+        "\nBEGIN;\n" ~
+        db_statement ~
+        "\nCOMMIT;\n"
+      );
+      if (!(opt_action.sqlite_discrete)
+        && !(opt_action.sqlite_db_create)
+      ) {
+      }
+    } catch (ErrnoException ex) {
+      writeln("ERROR SQLite : ", ex);
+    } catch (Exception ex) {
+      writeln("ERROR SQLite : ", ex);
+    }
+    { /+ debug +/
+      if (opt_action.debug_do
+      && opt_action.verbose) {
+        writeln(note);
+        if (opt_action.very_verbose) {
+          writeln(db_statement);
+        }
+      }
+    }
+  }
+}
+#+END_SRC
+
+*** munge
+
+#+BEGIN_SRC d :tangle "../src/doc_reform/output/sqlite.d"
+template SQLinsertDelimiter() {
+  auto SQLinsertDelimiter(string _txt) {
+    _txt = _txt
+      .replaceAll(rgx.quotation_mark_sql_insert_delimiter, "$0$0");
+    return _txt;
+  }
+}
+template SQLiteFormatAndLoadObject() {
+  auto SQLiteFormatAndLoadObject(M)(
+    M    doc_matters,
+  ) {
+    mixin DocReformOutputRgxInit;
+    struct sqlite_format_and_load_objects {
+      <<sanitize_text_for_search>>
+      <<sanitize_and_munge_inline_html>>
+      <<html_objects>>
+      <<sqlite_load_object>>
+      <<hub_format_and_sqlite_load_objects>>
+    }
+    return sqlite_format_and_load_objects();
+  }
+}
+#+END_SRC
+
+*** sqlite instructions
+**** create
+
+#+BEGIN_SRC d :tangle "../src/doc_reform/output/sqlite.d"
+template SQLiteTablesReCreate() {
+  string SQLiteTablesReCreate()() {
+    string _sql_instruct;
+    _sql_instruct = format(q"┃
+      <<sqlite_statement_drop_existing_index>>
+      <<sqlite_statement_drop_existing_tables>>
+      <<sqlite_statement_create_table_metadata_and_src_txt>>
+      <<sqlite_statement_create_table_topic_register>>
+      <<sqlite_statement_create_table_objects>>
+      <<sqlite_statement_create_index>>
+    ┃",);
+    return _sql_instruct;
+  }
+}
+#+END_SRC
+
+**** delete
+
+#+BEGIN_SRC d :tangle "../src/doc_reform/output/sqlite.d"
+template SQLiteDeleteDocument() {
+  string SQLiteDeleteDocument(M)(
+    M doc_matters,
+  ) {
+    <<sqlite_formatted_delete>>
+    return _delete_uid;
+  }
+}
+#+END_SRC
+
+**** insert
+
+#+BEGIN_SRC d :tangle "../src/doc_reform/output/sqlite.d"
+template SQLiteInsertMetadata() {
+  string SQLiteInsertMetadata(M)(
+    M doc_matters,
+  ) {
+    <<sqlite_formatted_insertions_doc_matters_metadata>>
+    <<sqlite_formatted_insertions_topic_register>>
+    return _insert_metadata;
+  }
+}
+#+END_SRC
+
+**** insert doc objects loop
+
+#+BEGIN_SRC d :tangle "../src/doc_reform/output/sqlite.d"
+template SQLiteInsertDocObjectsLoop() {
+  string SQLiteInsertDocObjectsLoop(D,M)(
+    const D    doc_abstraction,
+          M    doc_matters,
+  ) {
+    string _uid = SQLinsertDelimiter!()(doc_matters.src.doc_uid);
+    auto url_html = DocReformUrlsHTML!()(doc_matters.conf_make_meta.conf.webserv_url_doc_root, doc_matters.src.language);
+    string insertDocObjectsRow(O)(O obj) {
+      <<sqlite_formatted_insertions_doc_objects>>
+      return _insert_doc_objects_row;
+    }
+    <<sqlite_objects_loop>>
+  }
+}
+#+END_SRC
+
+**** tables create
+
+#+BEGIN_SRC d :tangle "../src/doc_reform/output/sqlite.d"
+template SQLiteTablesCreate() {
+  void SQLiteTablesCreate(E,O)(E env, O opt_action) {
+    import d2sqlite3;
+    template SQLiteTablesReCreate() {
+      string SQLiteTablesReCreate()() {
+        string _sql_instruct;
+        _sql_instruct = format(q"┃
+          <<sqlite_statement_drop_existing_index>>
+          <<sqlite_statement_drop_existing_tables>>
+          <<sqlite_statement_create_table_metadata_and_src_txt>>
+          <<sqlite_statement_create_table_topic_register>>
+          <<sqlite_statement_create_table_objects>>
+          <<sqlite_statement_create_index>>
+        ┃",);
+        return _sql_instruct;
+      }
+    }
+    if (opt_action.sqlite_db_create) {
+      string _db_statement;
+      auto pth_sqlite = DocReformPathsSQLite!()(opt_action.sqlite_filename, opt_action.output_dir_set);
+      pth_sqlite.base.mkdirRecurse;
+      auto db = Database(pth_sqlite.sqlite_file);
+      {
+        _db_statement ~= SQLiteTablesReCreate!()();
+      }
+      SQLiteDbRun!()(db, _db_statement, opt_action, "TABLE RE-CREATE");
+    }
+  }
+}
+#+END_SRC
+
+**** tables drop
+
+#+BEGIN_SRC d :tangle "../src/doc_reform/output/sqlite.d"
+template SQLiteDbDrop() {
+  void SQLiteDbDrop(O)(O opt_action) {
+    writeln("db drop");
+    if ((opt_action.sqlite_db_drop)) {
+      auto pth_sqlite = DocReformPathsSQLite!()(opt_action.sqlite_filename, opt_action.output_dir_set);
+      writeln("remove(", pth_sqlite.sqlite_file, ")");
+      try {
+        remove(pth_sqlite.sqlite_file);
+      } catch (FileException ex) {
+        // handle error
+      }
+    }
+  }
+}
+#+END_SRC
+
+** 1. [#A] sqlite_db_statement                                   :statement:
+*** collection
+
+#+name: sqlite_db_statement_composite_collection
+#+BEGIN_SRC d
+{
+  string _db_statement;
+  {
+    if ((doc_matters.opt.action.sqlite_db_create)) {
+      auto pth_sqlite = DocReformPathsSQLite!()(doc_matters.sqlite.filename, doc_matters.output_path);
+      pth_sqlite.base.mkdirRecurse;
+      _db_statement ~= SQLiteTablesReCreate!()();
+      SQLiteDbRun!()(db, _db_statement, doc_matters.opt.action, "TABLE RE-CREATE");
+    }
+    if (doc_matters.opt.action.sqlite_delete) {
+      _db_statement ~= SQLiteDeleteDocument!()(doc_matters);
+      SQLiteDbRun!()(db, _db_statement, doc_matters.opt.action, "DELETE Document");
+    }
+    if (doc_matters.opt.action.sqlite_update) {
+      _db_statement ~= SQLiteDeleteDocument!()(doc_matters);
+      SQLiteDbRun!()(db, _db_statement, doc_matters.opt.action, "DELETE Document");
+      _db_statement ~= SQLiteInsertMetadata!()(doc_matters);
+      SQLiteDbRun!()(db, _db_statement, doc_matters.opt.action, "INSERT MetaData");
+      /+ get tid (lastrowid or max) for use in doc_objects table +/
+      _db_statement ~= doc_abstraction.SQLiteInsertDocObjectsLoop!()(doc_matters);
+      SQLiteDbRun!()(db, _db_statement, doc_matters.opt.action, "INSERT DocObjects");
+    }
+  }
+  db.close;
+}
+#+END_SRC
+
+*** discrete
+
+#+name: sqlite_db_statement_composite_discrete
+#+BEGIN_SRC d
+{
+  string _db_statement;
+  {
+    _db_statement ~= SQLiteTablesReCreate!()();
+    _db_statement ~= SQLiteInsertMetadata!()(doc_matters);
+    _db_statement ~= doc_abstraction.SQLiteInsertDocObjectsLoop!()(doc_matters);
+    SQLiteDbRun!()(db, _db_statement, doc_matters.opt.action, "table CREATE Tables, INSERT DocObjects");
+  }
+  db.close;
+}
+#+END_SRC
+
+** 2. imports
+
+#+name: output_imports
+#+BEGIN_SRC d
+import doc_reform.output;
+import
+  std.file,
+  std.uri,
+  std.conv : to;
+#+END_SRC
+
+** 3. format and load template
+*** 1. prepare objects (munge, sanitize, markup)
+**** 1. _text_ generic munge (sanitize text for search)
+
+- [3/4] (search text, applies to all but code blocks)
+  - [ ] remove whitespace, paragraph on single line (formatting kept so far)
+  - [X] remove font face attributes
+  - [X] move embedded endnotes
+    - [X] place after text object
+    - [X] remove embedded endnote numbers (rely on html output to represent)
+  - [X] urls
+    - [X] clean url markers, leave plain link text
+    - [X] place urls after text object and its endnotes
+
+#+name: sanitize_text_for_search
+#+BEGIN_SRC d
+string generic_munge_sanitize_text_for_search(
+  string _txt,
+) {
+  string _notes;
+  string _urls;
+  if (_txt.matchFirst(rgx.inline_notes_al_gen)) {
+    foreach (m; _txt.matchAll(rgx.inline_notes_al_gen_text)) {
+      _notes ~= "\n" ~ m["text"];
+    }
+    _txt = _txt.replaceAll(rgx.inline_notes_al_gen, "");
+  }
+  if (_txt.matchFirst(rgx.inline_link)) {
+    foreach (m; _txt.matchAll(rgx.inline_link)) {
+      if (m["link"].match(rgx.url)) {
+        _urls ~= "\n" ~ m["link"];
+      }
+    }
+    _txt = _txt.replaceAll(rgx.inline_link_clean, "");
+  }
+  if (_notes.length > 0) {
+    _txt ~= _notes;
+  }
+  if (_urls.length > 0) {
+    _txt ~= _urls;
+  }
+  { /+ debug +/
+    if (doc_matters.opt.action.debug_do
+    && doc_matters.opt.action.verbose) {
+      writeln(_txt, "\n");
+    }
+  }
+  debug(sql_text_clean) {
+    writeln(_txt);
+  }
+  return _txt;
+}
+#+END_SRC
+
+**** 2. _html_
+
+light html objects
+- place endnotes after text object
+- light inline html markup
+
+***** munge
+****** general munge (special characters, inline markup, move notes)
+
+#+name: sanitize_and_munge_inline_html
+#+BEGIN_SRC d
+string munge_html(M,O)(
+        M    doc_matters,
+  const O    obj,
+) {
+  string _html_special_characters(string _txt){
+    _txt = _txt
+      .replaceAll(rgx.xhtml_ampersand,    "&#38;")
+      .replaceAll(rgx.xhtml_quotation,    "&#34;")
+      .replaceAll(rgx.xhtml_less_than,    "&#60;")
+      .replaceAll(rgx.xhtml_greater_than, "&#62;")
+      .replaceAll(rgx.nbsp_char,          " ")
+      .replaceAll(rgx.xhtml_line_break,   "<br />");
+    return _txt;
+  }
+  string _html_font_face(string _txt){
+    _txt = _txt
+      .replaceAll(rgx.inline_emphasis,    "<em>$1</em>")
+      .replaceAll(rgx.inline_bold,        "<b>$1</b>")
+      .replaceAll(rgx.inline_underscore,  "<u>$1</u>")
+      .replaceAll(rgx.inline_italics,     "<i>$1</i>")
+      .replaceAll(rgx.inline_superscript, "<sup>$1</sup>")
+      .replaceAll(rgx.inline_subscript,   "<sub>$1</sub>")
+      .replaceAll(rgx.inline_strike,      "<del>$1</del>")
+      .replaceAll(rgx.inline_insert,      "<ins>$1</ins>")
+      .replaceAll(rgx.inline_mono,        "<tt>$1</tt>")
+      .replaceAll(rgx.inline_cite,        "<cite>$1</cite>");
+    return _txt;
+  }
+  string _notes;
+  string _urls;
+  string _txt = _html_font_face(_html_special_characters(obj.text));
+  if (_txt.matchFirst(rgx.inline_notes_al_gen)) {
+    foreach (m; _txt.matchAll(rgx.inline_notes_al_gen_text)) {
+      _notes ~= "\n" ~ m["text"];
+    }
+    _txt = _txt.replaceAll(rgx.inline_notes_al_gen_ref, "<sup>$1</sup> ");
+  }
+  if (_notes.length > 0) {
+    _txt ~= _notes;
+  }
+  { /+ debug +/
+    if (doc_matters.opt.action.debug_do
+    && doc_matters.opt.action.verbose) {
+      writeln(_txt, "\n");
+    }
+  }
+  return _txt;
+}
+#+END_SRC
+
+****** special characters
+
+#+name: sanitize_and_munge_inline_html
+#+BEGIN_SRC d
+string html_special_characters(string _txt){
+  _txt = _txt
+    .replaceAll(rgx.xhtml_ampersand,    "&#38;")
+    .replaceAll(rgx.xhtml_quotation,    "&#34;")
+    .replaceAll(rgx.xhtml_less_than,    "&#60;")
+    .replaceAll(rgx.xhtml_greater_than, "&#62;")
+    .replaceAll(rgx.nbsp_char,          " ")
+    .replaceAll(rgx.xhtml_line_break,   "<br />");
+  return _txt;
+}
+#+END_SRC
+
+****** special characters for code
+
+#+name: sanitize_and_munge_inline_html
+#+BEGIN_SRC d
+string html_special_characters_code(string _txt){
+  _txt = _txt
+    .replaceAll(rgx.xhtml_ampersand,    "&#38;")
+    .replaceAll(rgx.xhtml_quotation,    "&#34;")
+    .replaceAll(rgx.xhtml_less_than,    "&#60;")
+    .replaceAll(rgx.xhtml_greater_than, "&#62;")
+    .replaceAll(rgx.nbsp_char,          " ");
+  return _txt;
+}
+#+END_SRC
+
+****** font_face
+
+#+name: sanitize_and_munge_inline_html
+#+BEGIN_SRC d
+string html_font_face(string _txt){
+  _txt = _txt
+    .replaceAll(rgx.inline_emphasis,    "<em>$1</em>")
+    .replaceAll(rgx.inline_bold,        "<b>$1</b>")
+    .replaceAll(rgx.inline_underscore,  "<u>$1</u>")
+    .replaceAll(rgx.inline_italics,     "<i>$1</i>")
+    .replaceAll(rgx.inline_superscript, "<sup>$1</sup>")
+    .replaceAll(rgx.inline_subscript,   "<sub>$1</sub>")
+    .replaceAll(rgx.inline_strike,      "<del>$1</del>")
+    .replaceAll(rgx.inline_insert,      "<ins>$1</ins>")
+    .replaceAll(rgx.inline_mono,        "<tt>$1</tt>")
+    .replaceAll(rgx.inline_cite,        "<cite>$1</cite>");
+  return _txt;
+}
+#+END_SRC
+
+****** inline markup
+******* images
+
+#+name: sanitize_and_munge_inline_html
+#+BEGIN_SRC d
+string inline_images(M,O)(
+               M  doc_matters,
+  const        O  obj,
+  string          _txt,
+  string          _suffix    = ".html",
+  string          _xml_type = "seg",
+) {
+  string _img_pth;
+  if (_xml_type == "epub") {
+    _img_pth = "image/";
+  } else if (_xml_type == "scroll") {
+    _img_pth = "../../image/";
+  } else if (_xml_type == "seg") {
+    _img_pth = "../../../image/";
+  }
+  if (_txt.match(rgx.inline_image)) {
+    _txt = _txt.replaceAll( // TODO bug where image dimensions (w or h) not given & consequently set to 0; should not be used (calculate earlier, abstraction)
+        rgx.inline_image,
+        ("$1<img src=\""
+          ~ _img_pth
+          ~ "$3\" width=\"$4\" height=\"$5\" naturalsizeflag=\"0\" align=\"bottom\" border=\"0\" /> $6"));
+  }
+  return _txt;
+}
+#+END_SRC
+
+******* links
+******** scroll, seg, epub
+
+#+name: sanitize_and_munge_inline_html
+#+BEGIN_SRC d
+string inline_links(M,O)(
+               M doc_matters,
+  const        O obj,
+  string         _txt,
+  string         _xml_type = "seg",
+) {
+  if (obj.has.inline_links) {
+    if  (obj.metainfo.is_a != "code") {
+      _txt = replaceAll!(m =>
+          m[1] ~ "┤" ~ to!string((obj.stow.link[m[2].to!ulong])).encode ~ "├"
+        )(_txt, rgx.inline_link_number_only);
+    }
+    if ((_txt.match(rgx.mark_internal_site_lnk))
+    && (_xml_type == "scroll")) { // conditions reversed to avoid: gdc compiled program run segfault
+      _txt = _txt.replaceAll(
+        rgx.inline_seg_link,
+        "$1");
+    }
+    auto pth_html = DocReformPathsHTML!()(doc_matters.output_path, doc_matters.src.language);
+    if (_xml_type == "seg") {
+      foreach (m; _txt.match(rgx.inline_link_hash)) {
+        if (m.captures[3] in doc_matters.has.tag_associations) {
+          if (m.captures[3] == doc_matters.has.tag_associations[(m.captures[3])]["seg_lv4"]) {
+            _txt = _txt.replaceFirst(
+              rgx.inline_link_hash,
+              "┥$1┝┤"
+                ~ doc_matters.conf_make_meta.conf.webserv_url_doc_root
+                ~ "/"
+                ~ pth_html.tail_fn_seg(doc_matters.src.filename, "$3.html")
+              ~ "├"
+            );
+          } else {
+            _txt = _txt.replaceFirst(
+              rgx.inline_link_hash,
+              "┥$1┝┤"
+                ~ doc_matters.conf_make_meta.conf.webserv_url_doc_root
+                ~ "/"
+                ~ doc_matters.has.tag_associations[(m.captures[3])]["seg_lv4"]
+                ~ ".html"
+                ~ "#" ~ "$3"
+              ~ "├"
+            );
+          }
+        } else {
+          if (!(doc_matters.opt.action.quiet)) {
+            writeln(
+              "WARNING on internal document links, anchor to link <<"
+               ~ m.captures[3]
+               ~ ">> not found in document, "
+               ~ "anchor: " ~ m.captures[3]
+               ~ " document: " ~ doc_matters.src.filename
+            );
+          }
+        }
+      }
+    } else {
+      if (auto m = _txt.match(rgx.inline_link_hash)) {
+        _txt = _txt.replaceFirst(
+          rgx.inline_link_hash,
+          "┥$1┝┤"
+            ~ doc_matters.conf_make_meta.conf.webserv_url_doc_root
+            ~ "/"
+            ~ pth_html.tail_fn_scroll(doc_matters.src.filename)
+            ~ "#" ~ "$3"
+          ~ "├"
+        );
+      }
+    }
+    _txt = _txt
+      .replaceAll(
+        rgx.inline_link_fn_suffix,
+        ("$1.html"))
+      .replaceAll(
+        rgx.inline_link,
+        ("<a href=\"$2\">$1</a>"))
+      .replaceAll(
+        rgx.mark_internal_site_lnk,
+        "");
+  }
+  debug(markup_links) {
+    if (_txt.match(rgx.inline_link)) {
+      writeln(__LINE__,
+        " (missed) markup link identified (",
+        obj.has.inline_links,
+        "): ", obj.metainfo.is_a, ": ",
+        obj.text
+      );
+    }
+  }
+  debug(markup) {
+    if (_txt.match(rgx.inline_link)) {
+      writeln(__LINE__,
+        " (missed) markup link identified (",
+        obj.has.inline_links,
+        "): ", obj.metainfo.is_a, ": ",
+        obj.text
+      );
+    }
+  }
+  return _txt;
+}
+#+END_SRC
+
+******* notes
+******** scroll
+
+#+name: sanitize_and_munge_inline_html
+#+BEGIN_SRC d
+string inline_notes_scroll(M,O)(
+               M   doc_matters,
+  const        O   obj,
+  string           _txt,
+) {
+  if (obj.has.inline_notes_reg) {
+    // _txt = font_face(_txt);
+    _txt = _txt.replaceAll(
+      rgx.inline_notes_al_regular_number_note,
+      ("<a href=\"#note_$1\"><note id=\"noteref_$1\">&#160;<sup>$1</sup> </note></a>")
+    );
+  }
+  debug(markup_endnotes) {
+    if (_txt.match(rgx.inline_notes_al_regular_number_note)) {
+      writeln(__LINE__, " (missed) markup endnote: ", obj.metainfo.is_a, ": ", obj.text);
+    }
+  }
+  debug(markup) {
+    if (_txt.match(rgx.inline_notes_al_regular_number_note)) {
+      writeln(__LINE__, " (missed) markup endnote: ", obj.metainfo.is_a, ": ", obj.text);
+    }
+  }
+  return _txt;
+}
+#+END_SRC
+
+******** seg
+
+#+name: sanitize_and_munge_inline_html
+#+BEGIN_SRC d
+auto inline_notes_seg(M,O)(
+               M     doc_matters,
+  const        O     obj,
+  string             _txt,
+) {
+  string[] _endnotes;
+  if (obj.has.inline_notes_reg) {
+    /+ need markup for text, and separated footnote +/
+    foreach(m; _txt.matchAll(rgx.inline_notes_al_regular_number_note)) {
+      _endnotes ~= format(
+        "%s%s%s%s\n  %s%s%s%s%s\n  %s\n%s",
+        "<p class=\"endnote\">",
+        "<a href=\"#noteref_",
+        m.captures[1],
+        "\">",
+        "<note id=\"note_",
+        m.captures[1],
+        "\">&#160;<sup>",
+        m.captures[1],
+        ".</sup></note></a>",
+        m.captures[2],
+        "</p>"
+      );
+    }
+    _txt = _txt.replaceAll(
+      rgx.inline_notes_al_regular_number_note,
+      ("<a href=\"#note_$1\"><note id=\"noteref_$1\">&#160;<sup>$1</sup> </note></a>")
+    );
+  } else if (_txt.match(rgx.inline_notes_al_regular_number_note)) {
+    debug(markup) {
+      writeln(__LINE__, " endnote: ", obj.metainfo.is_a, ": ", obj.text);
+    }
+  }
+  auto t = tuple(
+    _txt,
+    _endnotes,
+  );
+  return t;
+}
+#+END_SRC
+
+******* inline markup
+
+#+name: sanitize_and_munge_inline_html
+#+BEGIN_SRC d
+string xml_type="seg"; /+ set html document type to be linked to here (seg|scroll) +/
+string inline_markup(M,O)(
+               M  doc_matters,
+  const        O  obj,
+  string          _txt,
+) {
+  _txt = inline_images(doc_matters, obj, _txt, xml_type);
+  _txt = inline_links(doc_matters, obj, _txt, xml_type);
+  _txt = inline_notes_scroll(doc_matters, obj, _txt);
+  return _txt;
+}
+#+END_SRC
+
+***** objects
+****** heading
+
+#+name: html_objects
+#+BEGIN_SRC d
+string html_heading(M,O)(
+        M   doc_matters,
+  const O   obj,
+) {
+  assert(obj.metainfo.is_of_part    == "body" || "frontmatter" || "backmatter");
+  assert(obj.metainfo.is_of_section == "body" || "toc" || "endnotes" || "glossary" || "bibliography" || "bookindex" || "blurb");
+  assert(obj.metainfo.is_of_type    == "para");
+  assert(obj.metainfo.is_a          == "heading");
+  string _txt = munge_html(doc_matters, obj);
+  _txt = inline_markup(doc_matters, obj, _txt);
+  string o = format(q"┃<p class="%s"><b>
+      %s
+    </b></p>┃",
+      obj.metainfo.is_a,
+      _txt,
+    );
+  return o;
+}
+#+END_SRC
+
+******* +fancy+
+
+##+name: prepare_objects_html
+#+BEGIN_SRC d
+string html_heading(M,O)(
+        M   doc_matters,
+  const O   obj,
+) {
+  string o;
+  string _txt = munge_html(doc_matters, obj);
+  o = format(q"┃<h%s class="%s">
+      %s
+    </h%s>┃",
+      obj.metainfo.heading_lev_markup,
+      obj.metainfo.is_a,
+      _txt,
+      obj.metainfo.heading_lev_markup,
+    );
+  return o;
+}
+#+END_SRC
+
+****** para
+
+#+name: html_objects
+#+BEGIN_SRC d
+string html_para(M,O)(
+        M   doc_matters,
+  const O   obj,
+) {
+  assert(obj.metainfo.is_of_part    == "body" || "frontmatter" || "backmatter");
+  assert(obj.metainfo.is_of_section == "body" || "toc" || "endnotes" || "glossary" || "bibliography" || "bookindex" || "blurb");
+  assert(obj.metainfo.is_of_type    == "para");
+  assert(obj.metainfo.is_a          == "para" || "toc" || "endnotes" || "glossary" || "bibliography" || "bookindex" || "blurb");
+  string _txt = munge_html(doc_matters, obj);
+  _txt = (obj.attrib.bullet) ? ("●&#160;&#160;" ~ _txt) : _txt;
+  _txt = inline_markup(doc_matters, obj, _txt);
+  string o = format(q"┃<p class="%s" indent="h%si%s">
+    %s
+  </p>┃",
+      obj.metainfo.is_a,
+      obj.attrib.indent_hang,
+      obj.attrib.indent_base,
+      _txt
+    );
+  return o;
+}
+#+END_SRC
+
+****** quote
+
+#+name: html_objects
+#+BEGIN_SRC d
+string html_quote(M,O)(
+        M   doc_matters,
+  const O   obj,
+) {
+  assert(obj.metainfo.is_of_part    == "body");
+  assert(obj.metainfo.is_of_section == "body" || "glossary" || "bibliography" || "bookindex" || "blurb");
+  assert(obj.metainfo.is_of_type    == "block");
+  assert(obj.metainfo.is_a          == "quote");
+  string _txt = munge_html(doc_matters, obj);
+  string o = format(q"┃<p class="%s">
+    %s
+  </p>┃",
+      obj.metainfo.is_a,
+      _txt
+    );
+  return o;
+}
+#+END_SRC
+
+****** group
+
+#+name: html_objects
+#+BEGIN_SRC d
+string html_group(M,O)(
+        M   doc_matters,
+  const O   obj,
+) {
+  assert(obj.metainfo.is_of_part    == "body");
+  assert(obj.metainfo.is_of_section == "body" || "glossary" || "bibliography" || "bookindex" || "blurb");
+  assert(obj.metainfo.is_of_type    == "block");
+  assert(obj.metainfo.is_a          == "group");
+  string _txt = munge_html(doc_matters, obj);
+  string o = format(q"┃<p class="%s">
+    %s
+  </p>┃",
+      obj.metainfo.is_a,
+      _txt
+    );
+  return o;
+}
+#+END_SRC
+
+****** block
+
+#+name: html_objects
+#+BEGIN_SRC d
+string html_block(M,O)(
+        M   doc_matters,
+  const O   obj,
+) {
+  assert(obj.metainfo.is_of_part    == "body");
+  assert(obj.metainfo.is_of_section == "body" || "glossary" || "bibliography" || "bookindex" || "blurb");
+  assert(obj.metainfo.is_of_type    == "block");
+  assert(obj.metainfo.is_a          == "block");
+  string _txt = munge_html(doc_matters, obj);
+  string o = format(q"┃
+  <p class="%s">%s</p>┃",
+      obj.metainfo.is_a,
+      _txt.stripRight
+    );
+  return o;
+}
+#+END_SRC
+
+****** verse
+
+#+name: html_objects
+#+BEGIN_SRC d
+string html_verse(M,O)(
+        M   doc_matters,
+  const O   obj,
+) {
+  assert(obj.metainfo.is_of_part    == "body");
+  assert(obj.metainfo.is_of_section == "body" || "glossary" || "bibliography" || "bookindex" || "blurb");
+  assert(obj.metainfo.is_of_type    == "block");
+  assert(obj.metainfo.is_a          == "verse");
+  string _txt = munge_html(doc_matters, obj);
+  string o = format(q"┃<p class="%s">%s</p>┃",
+      obj.metainfo.is_a,
+      _txt
+    );
+  return o;
+}
+#+END_SRC
+
+****** code
+
+#+name: html_objects
+#+BEGIN_SRC d
+string html_code(O)(
+  const O   obj,
+) {
+  assert(obj.metainfo.is_of_part    == "body");
+  assert(obj.metainfo.is_of_section == "body");
+  assert(obj.metainfo.is_of_type    == "block");
+  assert(obj.metainfo.is_a          == "code");
+  string _txt = html_special_characters_code(obj.text);
+  string o = format(q"┃<p class="%s">%s</p>┃",
+      obj.metainfo.is_a,
+      _txt
+    );
+  return o;
+}
+#+END_SRC
+
+****** table
+
+#+name: html_objects
+#+BEGIN_SRC d
+string html_table(M,O)(
+        M   doc_matters,
+  const O   obj,
+) {
+  assert(obj.metainfo.is_of_part    == "body");
+  assert(obj.metainfo.is_of_section == "body");
+  assert(obj.metainfo.is_of_type    == "block");
+  assert(obj.metainfo.is_a          == "table");
+  auto _tablarize(O)(
+    const O         obj,
+          string    _txt,
+  ) {
+    string[] _table_rows = _txt.split(rgx.table_delimiter_row);
+    string[] _table_cols;
+    string _table;
+    string _tablenote;
+    foreach(row_idx, row; _table_rows) {
+      _table_cols = row.split(rgx.table_delimiter_col);
+        _table ~= "<tr>";
+        foreach(col_idx, cell; _table_cols) {
+          if ((_table_cols.length == 1)
+          && (_table_rows.length <= row_idx+2)) { // check row_idx+2 (rather than == ++row_idx)
+            _tablenote ~= cell;
+          } else {
+            string _col_is = (row_idx == 0 && obj.table.heading) ? "th" : "td";
+            string _align = ("style=\"text-align:"
+            ~ ((obj.table.column_aligns[col_idx] == "l")
+            ? "left\"" : "right\""));
+            _table ~= "<"
+              ~ _col_is
+              ~ " width=\""
+              ~ obj.table.column_widths[col_idx].to!string
+              ~ "%\" "
+              ~ _align
+              ~ ">";
+            _table ~= cell;
+            _table ~= "</"
+              ~ _col_is
+              ~ ">";
+          }
+        }
+        _table ~= "</tr>";
+      }
+    auto t = tuple(
+      _table,
+      _tablenote,
+    );
+    return t;
+  }
+  string _txt = munge_html(doc_matters, obj);
+  auto t = _tablarize(obj, _txt);
+  _txt = t[0];
+  string _note = t[1];
+  string o = format(q"┃<p class="%s">
+    <table summary="normal text css" width="95%%" border="0" bgcolor="white" cellpadding="2" align="center">
+      %s
+    </table>
+    %s
+  </p>┃",
+    obj.metainfo.is_a,
+    _txt,
+    _note
+  );
+  return o;
+}
+#+END_SRC
+
+*** 2. hub (sqlite_format_and_load_objects)
+**** sql related
+
+#+name: sqlite_load_object
+#+BEGIN_SRC d
+string sqlite_load_string(M,O)(
+        M   doc_matters,
+  const O   obj,
+) {
+  string o;
+  return o;
+}
+#+END_SRC
+
+#+name: sqlite_load_object
+#+BEGIN_SRC d
+string postgresql_load_string(M,O)(
+        M   doc_matters,
+  const O   obj,
+) {
+  string o;
+  return o;
+}
+#+END_SRC
+
+#+name: sqlite_load_object
+#+BEGIN_SRC d
+string sqlite_statement(O)(
+  const O          obj,
+        string     _txt,
+        string     _html,
+) {
+  void _sql_exe(O)(
+    string                   _sql,
+  ) {
+    writeln(_html);
+    writeln(_sql);
+  }
+  string _sql;
+  return _sql;
+}
+#+END_SRC
+
+**** heading
+
+#+name: hub_format_and_sqlite_load_objects
+#+BEGIN_SRC d
+string[string] heading(M,O)(
+        M   doc_matters,
+  const O   obj,
+) {
+  string[string] obj_txt = [
+    "text": generic_munge_sanitize_text_for_search(obj.text),
+    "html": html_heading(doc_matters, obj)
+  ];
+  { /+ debug +/
+    if (doc_matters.opt.action.debug_do
+    && doc_matters.opt.action.verbose) {
+      debug(sql_txt) {
+        writeln(obj_txt["text"]);
+      }
+      debug(sql_html) {
+        writeln(obj_txt["html"]);
+      }
+    } else {
+      // load sql
+    }
+  }
+  return obj_txt;
+}
+#+END_SRC
+
+**** para
+
+#+name: hub_format_and_sqlite_load_objects
+#+BEGIN_SRC d
+string[string] para(M,O)(
+        M   doc_matters,
+  const O   obj,
+) {
+  string[string] obj_txt = [
+    "text": generic_munge_sanitize_text_for_search(obj.text),
+    "html": html_para(doc_matters, obj)
+  ];
+  { /+ debug +/
+    if (doc_matters.opt.action.debug_do
+    && doc_matters.opt.action.verbose) {
+      debug(sql_txt) {
+        writeln(obj_txt["text"]);
+      }
+      debug(sql_html) {
+        writeln(obj_txt["html"]);
+      }
+    } else {
+      // load sql
+    }
+  }
+  return obj_txt;
+}
+#+END_SRC
+
+**** quote
+
+#+name: hub_format_and_sqlite_load_objects
+#+BEGIN_SRC d
+string[string] quote(M,O)(
+        M   doc_matters,
+  const O   obj,
+) {
+  string[string] obj_txt = [
+    "text": generic_munge_sanitize_text_for_search(obj.text),
+    "html": html_quote(doc_matters, obj)
+  ];
+  { /+ debug +/
+    if (doc_matters.opt.action.debug_do
+    && doc_matters.opt.action.verbose) {
+      debug(sql_txt) {
+        writeln(obj_txt["text"]);
+      }
+      debug(sql_html) {
+        writeln(obj_txt["html"]);
+      }
+    } else {
+      // load sql
+    }
+  }
+  return obj_txt;
+}
+#+END_SRC
+**** group
+
+#+name: hub_format_and_sqlite_load_objects
+#+BEGIN_SRC d
+string[string] group(M,O)(
+        M   doc_matters,
+  const O   obj,
+) {
+  string[string] obj_txt = [
+    "text": generic_munge_sanitize_text_for_search(obj.text),
+    "html": html_group(doc_matters, obj)
+  ];
+  { /+ debug +/
+    if (doc_matters.opt.action.debug_do
+    && doc_matters.opt.action.verbose) {
+      debug(sql_txt) {
+        writeln(obj_txt["text"]);
+      }
+      debug(sql_html) {
+        writeln(obj_txt["html"]);
+      }
+    } else {
+      // load sql
+    }
+  }
+  return obj_txt;
+}
+#+END_SRC
+
+**** block
+
+#+name: hub_format_and_sqlite_load_objects
+#+BEGIN_SRC d
+string[string] block(M,O)(
+        M   doc_matters,
+  const O   obj,
+) {
+  string[string] obj_txt = [
+    "text": generic_munge_sanitize_text_for_search(obj.text),
+    "html": html_block(doc_matters, obj)
+  ];
+  { /+ debug +/
+    if (doc_matters.opt.action.debug_do
+    && doc_matters.opt.action.verbose) {
+      debug(sql_txt) {
+        writeln(obj_txt["text"]);
+      }
+      debug(sql_html) {
+        writeln(obj_txt["html"]);
+      }
+    } else {
+      // load sql
+    }
+  }
+  return obj_txt;
+}
+#+END_SRC
+
+**** verse
+
+#+name: hub_format_and_sqlite_load_objects
+#+BEGIN_SRC d
+string[string] verse(M,O)(
+        M   doc_matters,
+  const O   obj,
+) {
+  string[string] obj_txt = [
+    "text": generic_munge_sanitize_text_for_search(obj.text),
+    "html": html_verse(doc_matters, obj)
+  ];
+  { /+ debug +/
+    if (doc_matters.opt.action.debug_do
+    && doc_matters.opt.action.verbose) {
+      debug(sql_txt) {
+        writeln(obj_txt["text"]);
+      }
+      debug(sql_html) {
+        writeln(obj_txt["html"]);
+      }
+    } else {
+      // load sql
+    }
+  }
+  return obj_txt;
+}
+#+END_SRC
+
+**** code
+
+#+name: hub_format_and_sqlite_load_objects
+#+BEGIN_SRC d
+string[string] code(M,O)(
+        M   doc_matters,
+  const O   obj,
+) {
+  string[string] obj_txt = [
+    "text": generic_munge_sanitize_text_for_search(obj.text),
+    "html": html_code(obj)
+  ];
+  { /+ debug +/
+    if (doc_matters.opt.action.debug_do
+    && doc_matters.opt.action.verbose) {
+      debug(sql_txt) {
+        writeln(obj_txt["text"]);
+      }
+      debug(sql_html) {
+        writeln(obj_txt["html"]);
+      }
+    } else {
+      // load sql
+    }
+  }
+  return obj_txt;
+}
+#+END_SRC
+
+**** table
+
+#+name: hub_format_and_sqlite_load_objects
+#+BEGIN_SRC d
+string[string] table(M,O)(
+        M   doc_matters,
+  const O   obj,
+) {
+  string[string] obj_txt = [
+    "text": generic_munge_sanitize_text_for_search(obj.text),
+    "html": html_table(doc_matters, obj)
+  ];
+  { /+ debug +/
+    if (doc_matters.opt.action.debug_do
+    && doc_matters.opt.action.verbose) {
+      debug(sql_txt) {
+        writeln(obj_txt["text"]);
+      }
+      debug(sql_html) {
+        writeln(obj_txt["html"]);
+      }
+    } else {
+      // load sql
+    }
+  }
+  return obj_txt;
+}
+#+END_SRC
+
+** 4. ↻ loop, identify, load - loop template
+
+#+name: sqlite_objects_loop
+#+BEGIN_SRC d
+auto format_and_sqlite_load = SQLiteFormatAndLoadObject!()(doc_matters);
+string[string] obj_txt;
+string doc_text;
+string[] _insert_doc_objects;
+foreach (part; doc_matters.has.keys_seq.sql) {
+  foreach (obj; doc_abstraction[part]) {
+    switch (obj.metainfo.is_of_part) {
+    case "frontmatter":              assert(part == "head", part);
+      switch (obj.metainfo.is_of_type) {
+      case "para":
+        switch (obj.metainfo.is_a) {
+        case "heading":
+          obj_txt = format_and_sqlite_load.heading(doc_matters, obj);
+          break;
+        default:
+          { /+ debug +/
+            if (doc_matters.opt.action.debug_do
+            && doc_matters.opt.action.verbose) {
+              writeln(__FILE__, ":", __LINE__, ": ", obj.metainfo.is_a);
+            }
+          }
+          break;
+        }
+        break;
+      default:
+        { /+ debug +/
+          if (doc_matters.opt.action.debug_do
+          && doc_matters.opt.action.verbose) {
+            writeln(__FILE__, ":", __LINE__, ": ", obj.metainfo.is_of_type);
+          }
+        }
+        break;
+      }
+      break;
+    case "body": //                    assert(part == "body", part);
+      switch (obj.metainfo.is_of_type) {
+      case "para":
+        switch (obj.metainfo.is_a) {
+        case "heading":
+          debug (asserts) {
+            if (part != "body") {
+              writeln(__LINE__, ": ", obj.text);
+            }
+          }
+          obj_txt = format_and_sqlite_load.heading(doc_matters, obj);
+          break;
+        case "para":
+          obj_txt = format_and_sqlite_load.para(doc_matters, obj);
+          break;
+        default:
+          { /+ debug +/
+            if (doc_matters.opt.action.debug_do
+            && doc_matters.opt.action.verbose) {
+              writeln(__FILE__, ":", __LINE__, ": ", obj.metainfo.is_a);
+            }
+          }
+          break;
+        }
+        break;
+      case "block":
+        switch (obj.metainfo.is_a) {
+        case "quote":
+          obj_txt = format_and_sqlite_load.quote(doc_matters, obj);
+          break;
+        case "group":
+          obj_txt = format_and_sqlite_load.group(doc_matters, obj);
+          break;
+        case "block":
+          obj_txt = format_and_sqlite_load.block(doc_matters, obj);
+          break;
+        case "poem":                        // double check on keeping both poem & verse
+          break;
+        case "verse":
+          obj_txt = format_and_sqlite_load.verse(doc_matters, obj);
+          break;
+        case "code":
+          obj_txt = format_and_sqlite_load.code(doc_matters, obj);
+          break;
+        case "table":
+          obj_txt = format_and_sqlite_load.table(doc_matters, obj);
+          break;
+        default:
+          { /+ debug +/
+            if (doc_matters.opt.action.debug_do
+            && doc_matters.opt.action.verbose) {
+              writeln(__FILE__, ":", __LINE__, ": ", obj.metainfo.is_a);
+            }
+          }
+          break;
+        }
+        break;
+      default:
+        { /+ debug +/
+          if (doc_matters.opt.action.debug_do
+          && doc_matters.opt.action.verbose) {
+            writeln(__FILE__, ":", __LINE__, ": ", obj.metainfo.is_of_type);
+          }
+        }
+        break;
+      }
+      break;
+    case "backmatter":
+      assert(part == "glossary" || "bibliography" || "bookindex" || "blurb" || "tail", part);
+      switch (obj.metainfo.is_of_type) {
+      case "para":
+        switch (obj.metainfo.is_a) {
+        case "heading":
+          obj_txt = format_and_sqlite_load.heading(doc_matters, obj);
+          break;
+        case "glossary":             assert(part == "glossary", part);
+          obj_txt = format_and_sqlite_load.para(doc_matters, obj);
+          break;
+        case "bibliography":         assert(part == "bibliography", part);
+          obj_txt = format_and_sqlite_load.para(doc_matters, obj);
+          break;
+        case "bookindex":            assert(part == "bookindex", part);
+          obj_txt = format_and_sqlite_load.para(doc_matters, obj);
+          break;
+        case "blurb":                assert(part == "blurb", part);
+          obj_txt = format_and_sqlite_load.para(doc_matters, obj);
+          break;
+        default:
+          { /+ debug +/
+            if (doc_matters.opt.action.debug_do
+            && doc_matters.opt.action.verbose) {
+              writeln(__FILE__, ":", __LINE__, ": ", obj.metainfo.is_a);
+            }
+          }
+          break;
+        }
+        break;
+      default:
+        { /+ debug +/
+          if (doc_matters.opt.action.debug_do
+          && doc_matters.opt.action.verbose) {
+            writeln(__FILE__, ":", __LINE__, ": ", obj.metainfo.is_of_type);
+          }
+        }
+        break;
+      }
+      break;
+    case "comment":
+      break;
+    default:
+      { /+ debug +/
+        if (doc_matters.opt.action.debug_do
+        && doc_matters.opt.action.verbose) {
+          writeln(__FILE__, ":", __LINE__, ": ", obj.metainfo.is_of_part); // check where empty value could come from
+          writeln(__FILE__, ":", __LINE__, ": ", obj.metainfo.is_a);
+          writeln(__FILE__, ":", __LINE__, ": ", obj.text); // check where empty value could come from
+        }
+      }
+      break;
+    }
+    if (obj.metainfo.is_a == "heading") {
+      if ((doc_matters.opt.action.very_verbose)) {
+        writeln(
+          "markup: ", obj.metainfo.heading_lev_markup,
+          "> ", obj.metainfo.dom_structure_markedup_tags_status,
+          "; collapsed: ", obj.metainfo.heading_lev_collapsed,
+          "> ", obj.metainfo.dom_structure_collapsed_tags_status,
+          "; ocn: ", obj.metainfo.ocn,
+          " node: ", obj.metainfo.node,
+          "; parent: ", obj.metainfo.parent_lev_markup,
+          "; ocn: ", obj.metainfo.parent_ocn,
+          "; ",
+        );
+      }
+    }
+    if (!(obj.metainfo.is_a == "comment")) {
+      _insert_doc_objects ~= insertDocObjectsRow(obj);
+    }
+  } // loop closes
+}
+return _insert_doc_objects.join.to!(char[]).toUTF8;
+#+END_SRC
+
+** 5. SQL statements                                             :statement:
+*** drop index and tables
+**** DROP INDEX IF EXISTS
+
+#+name: sqlite_statement_drop_existing_index
+#+BEGIN_SRC sql
+DROP INDEX IF EXISTS idx_ocn;
+DROP INDEX IF EXISTS idx_uid;
+DROP INDEX IF EXISTS idx_digest_clean;
+DROP INDEX IF EXISTS idx_digest_all;
+DROP INDEX IF EXISTS idx_clean;
+DROP INDEX IF EXISTS idx_title;
+DROP INDEX IF EXISTS idx_creator_author;
+DROP INDEX IF EXISTS src_filename;
+DROP INDEX IF EXISTS idx_language_document_char;
+DROP INDEX IF EXISTS idx_classify_topic_register;
+#+END_SRC
+
+**** DROP TABLE IF EXISTS
+
+#+name: sqlite_statement_drop_existing_tables
+#+BEGIN_SRC sql
+DROP TABLE IF EXISTS metadata_and_text;
+DROP TABLE IF EXISTS topic_register;
+DROP TABLE IF EXISTS doc_objects;
+DROP TABLE IF EXISTS urls;
+#+END_SRC
+
+*** create tables and index
+**** CREATE TABLE metadata_and_text
+
+#+name: sqlite_statement_create_table_metadata_and_src_txt
+#+BEGIN_SRC sql
+CREATE TABLE metadata_and_text (
+  uid                              VARCHAR(256)      UNIQUE, -- filename, language char, pod/txt (decide on delimiter [,;:/])
+  src_composite_id_per_txt         VARCHAR(256)  NOT NULL,   -- UNIQUE, z pod name if any + src filename + language code
+  src_composite_id_per_pod         VARCHAR(256)  NOT NULL,   -- z pod name if any + src filename
+  title                            VARCHAR(800)  NOT NULL,
+  title_main                       VARCHAR(400)  NOT NULL,
+  title_sub                        VARCHAR(400)      NULL,
+  title_short                      VARCHAR(400)      NULL,
+  title_edition                    VARCHAR(10)       NULL,
+  title_language                   VARCHAR(100)      NULL,
+  title_language_char              VARCHAR(6)        NULL,
+  creator_author                   VARCHAR(600)  NOT NULL,
+  creator_author_email             VARCHAR(100)      NULL,
+  creator_author_hon               VARCHAR(100)      NULL,
+  creator_author_nationality       VARCHAR(100)      NULL,
+  creator_editor                   VARCHAR(600)      NULL,
+  creator_contributor              VARCHAR(600)      NULL,
+  creator_illustrator              VARCHAR(600)      NULL,
+  creator_photographer             VARCHAR(600)      NULL,
+  creator_translator               VARCHAR(600)      NULL,
+  creator_prepared_by              VARCHAR(600)      NULL,
+  creator_digitized_by             VARCHAR(600)      NULL,
+  creator_audio                    VARCHAR(600)      NULL,
+  creator_video                    VARCHAR(600)      NULL,
+  language_document                VARCHAR(100)      NULL,
+  language_document_char           VARCHAR(6)    NOT NULL,
+  language_original                VARCHAR(100)      NULL,
+  language_original_char           VARCHAR(6)        NULL,
+  date_added_to_site               VARCHAR(10)       NULL,
+  date_available                   VARCHAR(10)       NULL,
+  date_created                     VARCHAR(10)       NULL,
+  date_issued                      VARCHAR(10)       NULL,
+  date_modified                    VARCHAR(10)       NULL,
+  date_published                   VARCHAR(10)       NULL,
+  date_valid                       VARCHAR(10)       NULL,
+  date_translated                  VARCHAR(10)       NULL,
+  date_original_publication        VARCHAR(10)       NULL,
+  date_generated                   VARCHAR(10)       NULL,
+  original_title                   VARCHAR(800)      NULL,
+  original_publisher               VARCHAR(600)      NULL,
+  original_language                VARCHAR(100)      NULL,
+  original_language_char           VARCHAR(6)        NULL,
+  original_source                  VARCHAR(600)      NULL,
+  original_institution             VARCHAR(600)      NULL,
+  original_nationality             VARCHAR(100)      NULL,
+  rights_copyright                 VARCHAR(2500)     NULL,
+  rights_copyright_audio           VARCHAR(2500)     NULL,
+  rights_copyright_cover           VARCHAR(2500)     NULL,
+  rights_copyright_illustrations   VARCHAR(2500)     NULL,
+  rights_copyright_photographs     VARCHAR(2500)     NULL,
+  rights_copyright_text            VARCHAR(2500)     NULL,
+  rights_copyright_translation     VARCHAR(2500)     NULL,
+  rights_copyright_video           VARCHAR(2500)     NULL,
+  rights_license                   VARCHAR(2500)     NULL,
+  identifier_oclc                  VARCHAR(30)       NULL,
+  identifier_isbn                  VARCHAR(16)       NULL,
+  classify_topic_register          VARCHAR(2500)     NULL,
+  classify_subject                 VARCHAR(600)      NULL,
+  classify_loc                     VARCHAR(30)       NULL,
+  classify_dewey                   VARCHAR(30)       NULL,
+  classify_keywords                VARCHAR(600)      NULL,
+  notes_abstract                   TEXT              NULL,
+  notes_description                TEXT              NULL,
+  notes_comment                    TEXT              NULL,
+  notes_coverage                   VARCHAR(200)      NULL,
+  notes_relation                   VARCHAR(200)      NULL,
+  notes_history                    VARCHAR(600)      NULL,
+  notes_type                       VARCHAR(600)      NULL,
+  notes_format                     VARCHAR(600)      NULL,
+  notes_prefix                     TEXT              NULL,
+  notes_prefix_a                   TEXT              NULL,
+  notes_prefix_b                   TEXT              NULL,
+  notes_suffix                     TEXT              NULL,
+  publisher                        VARCHAR(600)      NULL,
+  src_filename                     VARCHAR(256)  NOT NULL,
+  src_fingerprint                  VARCHAR(256)      NULL,
+  src_filesize                     VARCHAR(10)       NULL,
+  src_wordcount                    VARCHAR(10)       NULL,
+  pod_name                         VARCHAR(256)      NULL, -- zipped pod, work to be done here
+  pod_fingerprint                  VARCHAR(256)      NULL, -- zipped pod, work to be done here
+  pod_size                         VARCHAR(10)       NULL, -- zipped pod, work to be done here
+  site_url_doc_root                VARCHAR(256)      NULL, -- url path to doc root
+  site_url_html_toc                VARCHAR(256)      NULL,
+  site_url_html_scroll             VARCHAR(256)      NULL,
+  site_url_epub                    VARCHAR(256)      NULL,
+  links                            TEXT              NULL
+);
+#+END_SRC
+
+**** CREATE TABLE topic_register
+
+#+name: sqlite_statement_create_table_topic_register
+#+BEGIN_SRC sql
+CREATE TABLE topic_register (
+  -- tid                              BIGINT            PRIMARY KEY,
+  uid_metadata_and_text            VARCHAR(256)      REFERENCES metadata_and_text(uid) ON DELETE CASCADE,
+  -- src_composite_id_per_txt         VARCHAR(256)  NOT NULL,  - UNIQUE, - z pod name if any + src filename + language code
+  -- src_composite_id_per_pod         VARCHAR(256)  NOT NULL,  - z pod name if any + src filename
+  topic_register_lv0               VARCHAR(250)  NOT NULL,
+  topic_register_lv1               VARCHAR(250)      NULL,
+  topic_register_lv2               VARCHAR(250)      NULL,
+  topic_register_lv3               VARCHAR(250)      NULL,
+  topic_register_lv4               VARCHAR(250)      NULL,
+  site_url_doc_root                VARCHAR(256)      NULL, -- url path to doc root
+  site_url_html_toc                VARCHAR(256)      NULL,
+  site_url_html_scroll             VARCHAR(256)      NULL
+);
+#+END_SRC
+
+**** CREATE TABLE site_urls ?
+
+#+name: sqlite_statement_create_table_site_urls
+#+BEGIN_SRC sql
+CREATE TABLE site_urls (
+  -- tid                              BIGINT            PRIMARY KEY,
+  uid_metadata_and_text            VARCHAR(256)      REFERENCES metadata_and_text(uid) ON DELETE CASCADE,
+  src_composite_id_per_txt         VARCHAR(256)  NOT NULL, -- UNIQUE, - z pod name if any + src filename + language code
+  src_composite_id_per_pod         VARCHAR(256)  NOT NULL, -- z pod name if any + src filename
+  site_url_doc_root                VARCHAR(256)      NULL, -- url path to doc root
+  site_url_html_toc                VARCHAR(256)      NULL,
+  site_url_html_scroll             VARCHAR(256)      NULL
+);
+#+END_SRC
+
+**** CREATE TABLE doc_objects
+
+#+name: sqlite_statement_create_table_objects
+#+BEGIN_SRC sql
+CREATE TABLE doc_objects (
+  lid                              BIGINT            PRIMARY KEY,
+  uid_metadata_and_text            VARCHAR(256)      REFERENCES metadata_and_text(uid) ON DELETE CASCADE,
+  ocn                              SMALLINT,
+  obj_id                           VARCHAR(6)        NULL,
+  clean                            TEXT              NULL,
+  body                             TEXT              NULL,
+  seg                              VARCHAR(256)      NULL,
+  lev_an                           VARCHAR(1),
+  is_of_type                       VARCHAR(16),
+  is_a                             VARCHAR(16),
+  lev                              SMALLINT          NULL,
+  node                             VARCHAR(16)       NULL,
+  parent                           VARCHAR(16)       NULL,
+  last_decendant                   VARCHAR(16)       NULL, -- headings only
+  digest_clean                     CHAR(256),
+  digest_all                       CHAR(256),
+  html_seg_url                     CHAR(256),
+  types                            CHAR(1)           NULL
+);
+#+END_SRC
+
+**** CREATE INDEX
+
+#+name: sqlite_statement_create_index
+#+BEGIN_SRC sql
+CREATE INDEX idx_ocn ON doc_objects(ocn);
+CREATE INDEX idx_digest_clean ON doc_objects(digest_clean);
+CREATE INDEX idx_digest_all ON doc_objects(digest_all);
+CREATE INDEX idx_clean ON doc_objects(clean);
+CREATE INDEX idx_title ON metadata_and_text(title);
+CREATE INDEX idx_author ON metadata_and_text(creator_author);
+CREATE INDEX idx_uid ON metadata_and_text(uid);
+CREATE INDEX idx_filename ON metadata_and_text(src_filename);
+CREATE INDEX idx_language ON metadata_and_text(language_document_char);
+CREATE INDEX idx_topics ON metadata_and_text(classify_topic_register);
+#+END_SRC
+
+*** TODO local site link & info
+
+*** delete rows (delete document)
+**** DELETE uid rows doc matters & metadata
+***** sql statement: dlang format
+
+#+name: sqlite_formatted_delete
+#+BEGIN_SRC d
+string _uid = doc_matters.src.doc_uid;
+string _delete_uid = format(q"┃
+#+END_SRC
+
+***** DELETE FROM ... WHERE
+
+#+name: sqlite_formatted_delete
+#+BEGIN_SRC sql
+DELETE FROM metadata_and_text
+WHERE uid = '%s';
+DELETE FROM doc_objects
+WHERE uid_metadata_and_text = '%s';
+#+END_SRC
+
+***** VALUES
+
+#+name: sqlite_formatted_delete
+#+BEGIN_SRC d
+┃",
+  _uid,
+  _uid,
+);
+#+END_SRC
+
+*** inserts
+**** INSERT doc matters & metadata
+***** sql statement: dlang format
+
+#+name: sqlite_formatted_insertions_doc_matters_metadata
+#+BEGIN_SRC d
+string _uid = SQLinsertDelimiter!()(doc_matters.src.doc_uid);
+string _insert_metadata = format(q"┃
+#+END_SRC
+
+***** INSERT INTO
+
+#+name: sqlite_formatted_insertions_doc_matters_metadata
+#+BEGIN_SRC sql
+  INSERT INTO metadata_and_text (
+    uid,
+    src_filename,
+    src_composite_id_per_txt,
+    src_composite_id_per_pod,
+    title,
+    title_main,
+    title_sub,
+    title_short,
+    title_edition,
+    title_language,
+    creator_author,
+    creator_author_email,
+    creator_illustrator,
+    creator_translator,
+    language_document,
+    language_document_char,
+    date_added_to_site,
+    date_available,
+    date_created,
+    date_issued,
+    date_modified,
+    date_published,
+    date_valid,
+    rights_copyright,
+    rights_copyright_audio,
+    rights_copyright_cover,
+    rights_copyright_illustrations,
+    rights_copyright_photographs,
+    rights_copyright_text,
+    rights_copyright_translation,
+    rights_copyright_video,
+    rights_license,
+    identifier_oclc,
+    identifier_isbn,
+    classify_dewey,
+    classify_keywords,
+    classify_loc,
+    classify_subject,
+    classify_topic_register,
+    original_title,
+    original_publisher,
+    original_language,
+    original_language_char,
+    original_source,
+    notes_abstract,
+    notes_description,
+    publisher,
+    site_url_doc_root
+  )
+#+END_SRC
+
+***** VALUES
+
+#+name: sqlite_formatted_insertions_doc_matters_metadata
+#+BEGIN_SRC sql
+  VALUES (
+    '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s'
+  );
+#+END_SRC
+
+***** dlang values for formatting
+
+#+name: sqlite_formatted_insertions_doc_matters_metadata
+#+BEGIN_SRC d
+┃",
+  _uid,
+  SQLinsertDelimiter!()(doc_matters.src.filename),
+  SQLinsertDelimiter!()(doc_matters.src.docname_composite_unique_per_src_doc),
+  SQLinsertDelimiter!()(doc_matters.src.docname_composite_unique_per_src_pod),
+  SQLinsertDelimiter!()(doc_matters.conf_make_meta.meta.title_full),
+  SQLinsertDelimiter!()(doc_matters.conf_make_meta.meta.title_main),
+  SQLinsertDelimiter!()(doc_matters.conf_make_meta.meta.title_subtitle),
+  SQLinsertDelimiter!()(doc_matters.conf_make_meta.meta.title_short),
+  SQLinsertDelimiter!()(doc_matters.conf_make_meta.meta.title_edition),
+  SQLinsertDelimiter!()(doc_matters.conf_make_meta.meta.title_language),
+  SQLinsertDelimiter!()(doc_matters.conf_make_meta.meta.creator_author),
+  SQLinsertDelimiter!()(doc_matters.conf_make_meta.meta.creator_author_email),
+  SQLinsertDelimiter!()(doc_matters.conf_make_meta.meta.creator_illustrator),
+  SQLinsertDelimiter!()(doc_matters.conf_make_meta.meta.creator_translator),
+  SQLinsertDelimiter!()(doc_matters.conf_make_meta.meta.language_document),
+  SQLinsertDelimiter!()(doc_matters.conf_make_meta.meta.language_document_char),
+  SQLinsertDelimiter!()(doc_matters.conf_make_meta.meta.date_added_to_site),
+  SQLinsertDelimiter!()(doc_matters.conf_make_meta.meta.date_available),
+  SQLinsertDelimiter!()(doc_matters.conf_make_meta.meta.date_created),
+  SQLinsertDelimiter!()(doc_matters.conf_make_meta.meta.date_issued),
+  SQLinsertDelimiter!()(doc_matters.conf_make_meta.meta.date_modified),
+  SQLinsertDelimiter!()(doc_matters.conf_make_meta.meta.date_published),
+  SQLinsertDelimiter!()(doc_matters.conf_make_meta.meta.date_valid),
+  SQLinsertDelimiter!()(doc_matters.conf_make_meta.meta.rights_copyright),
+  SQLinsertDelimiter!()(doc_matters.conf_make_meta.meta.rights_copyright_audio),
+  SQLinsertDelimiter!()(doc_matters.conf_make_meta.meta.rights_copyright_cover),
+  SQLinsertDelimiter!()(doc_matters.conf_make_meta.meta.rights_copyright_illustrations),
+  SQLinsertDelimiter!()(doc_matters.conf_make_meta.meta.rights_copyright_photographs),
+  SQLinsertDelimiter!()(doc_matters.conf_make_meta.meta.rights_copyright_text),
+  SQLinsertDelimiter!()(doc_matters.conf_make_meta.meta.rights_copyright_translation),
+  SQLinsertDelimiter!()(doc_matters.conf_make_meta.meta.rights_copyright_video),
+  SQLinsertDelimiter!()(doc_matters.conf_make_meta.meta.rights_license),
+  SQLinsertDelimiter!()(doc_matters.conf_make_meta.meta.identifier_oclc),
+  SQLinsertDelimiter!()(doc_matters.conf_make_meta.meta.identifier_isbn),
+  SQLinsertDelimiter!()(doc_matters.conf_make_meta.meta.classify_dewey),
+  SQLinsertDelimiter!()(doc_matters.conf_make_meta.meta.classify_keywords),
+  SQLinsertDelimiter!()(doc_matters.conf_make_meta.meta.classify_loc),
+  SQLinsertDelimiter!()(doc_matters.conf_make_meta.meta.classify_subject),
+  SQLinsertDelimiter!()(doc_matters.conf_make_meta.meta.classify_topic_register),
+  SQLinsertDelimiter!()(doc_matters.conf_make_meta.meta.notes_abstract),
+  SQLinsertDelimiter!()(doc_matters.conf_make_meta.meta.notes_description),
+  SQLinsertDelimiter!()(doc_matters.conf_make_meta.meta.original_title),
+  SQLinsertDelimiter!()(doc_matters.conf_make_meta.meta.original_publisher),
+  SQLinsertDelimiter!()(doc_matters.conf_make_meta.meta.original_language),
+  SQLinsertDelimiter!()(doc_matters.conf_make_meta.meta.original_language_char),
+  SQLinsertDelimiter!()(doc_matters.conf_make_meta.meta.original_source),
+  SQLinsertDelimiter!()(doc_matters.conf_make_meta.meta.publisher),
+  SQLinsertDelimiter!()(doc_matters.conf_make_meta.conf.webserv_url_doc_root)
+);
+#+END_SRC
+
+**** INSERT topic register
+
+writeln(doc_matters.conf_make_meta.meta.classify_topic_register_arr);
+
+***** { if topic register then loop topic register array
+
+#+name: sqlite_formatted_insertions_topic_register
+#+BEGIN_SRC d
+if (doc_matters.conf_make_meta.meta.classify_topic_register_arr.length > 0) {
+
+  string _insert_topics;
+  foreach (topic; doc_matters.conf_make_meta.meta.classify_topic_register_arr) {
+    string[] subject_tree = topic.split(mkup.sep);
+#+END_SRC
+
+***** sql statement: dlang format
+
+#+name: sqlite_formatted_insertions_topic_register
+#+BEGIN_SRC d
+_insert_topics ~= format(q"┃
+#+END_SRC
+
+***** INSERT INTO
+
+#+name: sqlite_formatted_insertions_topic_register
+#+BEGIN_SRC sql
+  INSERT INTO topic_register (
+    uid_metadata_and_text,
+    topic_register_lv0,
+    topic_register_lv1,
+    topic_register_lv2,
+    topic_register_lv3,
+    topic_register_lv4
+  )
+#+END_SRC
+
+***** VALUES
+
+#+name: sqlite_formatted_insertions_topic_register
+#+BEGIN_SRC sql
+  VALUES (
+    '%s', '%s', '%s', '%s', '%s', '%s'
+  );
+#+END_SRC
+
+***** dlang values for formatting
+
+#+name: sqlite_formatted_insertions_topic_register
+#+BEGIN_SRC d
+┃",
+  _uid,
+  (subject_tree.length > 0) ? subject_tree[0] : "",
+  (subject_tree.length > 1) ? subject_tree[1] : "",
+  (subject_tree.length > 2) ? subject_tree[2] : "",
+  (subject_tree.length > 3) ? subject_tree[3] : "",
+  (subject_tree.length > 4) ? subject_tree[4] : ""
+);
+#+END_SRC
+
+***** } close topic register & loop topic register array
+
+#+name: sqlite_formatted_insertions_topic_register
+#+BEGIN_SRC d
+  }
+}
+#+END_SRC
+
+**** INSERT doc objects
+
+lid unique, increment by 1 per object, not ocn
+
+metadata tid document number unique
+either:
+- increment by adding 1 for each document,
+- make hash of document filename or url and use?
+
+***** sql statement: dlang format
+
+#+name: sqlite_formatted_insertions_doc_objects
+#+BEGIN_SRC d
+string _insert_doc_objects_row = format(q"┃
+#+END_SRC
+
+***** INSERT INTO
+
+#+name: sqlite_formatted_insertions_doc_objects
+#+BEGIN_SRC sql
+  INSERT INTO doc_objects (
+    uid_metadata_and_text,
+    ocn,
+    obj_id,
+    clean,
+    body,
+    lev,
+    is_of_type,
+    is_a,
+    html_seg_url
+  )
+#+END_SRC
+
+***** VALUES
+
+#+name: sqlite_formatted_insertions_doc_objects
+#+BEGIN_SRC sql
+  VALUES (
+    '%s', %s, '%s', '%s', '%s', %s, '%s', '%s', '%s'
+  );
+#+END_SRC
+
+***** dlang values for formatting
+
+#+name: sqlite_formatted_insertions_doc_objects
+#+BEGIN_SRC d
+┃",
+  _uid,
+  obj.metainfo.ocn,
+  obj.metainfo.identifier,
+  SQLinsertDelimiter!()(obj_txt["text"]),
+  SQLinsertDelimiter!()(obj_txt["html"]),
+  obj.metainfo.heading_lev_markup,
+  obj.metainfo.is_of_type,
+  obj.metainfo.is_a,
+  url_html.fn_seg_obj_num(doc_matters.src.filename, obj.tags.html_segment_anchor_tag_is, obj.metainfo.identifier),
+);
+#+END_SRC
+
+* __END__
diff --git a/org/out_src_pod.org b/org/out_src_pod.org
new file mode 100644
index 0000000..df6be5f
--- /dev/null
+++ b/org/out_src_pod.org
@@ -0,0 +1,443 @@
+-*- mode: org -*-
+#+TITLE:       spine (doc_reform) output pod
+#+DESCRIPTION: documents - structuring, publishing in multiple formats & search
+#+FILETAGS:    :spine:output:source:pod:
+#+AUTHOR:      Ralph Amissah
+#+EMAIL:       [[mailto:ralph.amissah@gmail.com][ralph.amissah@gmail.com]]
+#+COPYRIGHT:   Copyright (C) 2015 - 2019 Ralph Amissah
+#+LANGUAGE:    en
+#+STARTUP:     indent content hideblocks hidestars
+#+OPTIONS:     H:3 num:nil toc:t \n:nil @:t ::t |:t ^:nil _:nil -:t f:t *:t <:t
+#+OPTIONS:     TeX:t LaTeX:t skip:nil d:nil todo:t pri:nil tags:not-in-toc
+#+OPTIONS:     author:nil email:nil creator:nil timestamp:nil
+#+PROPERTY:    header-args :padline no :exports code :cache no :noweb yes
+#+EXPORT_SELECT_TAGS:  export
+#+EXPORT_EXCLUDE_TAGS: noexport
+#+TAGS: assert(a) class(c) debug(d) mixin(m) spine(s) tangle(T) template(t) WEB(W) noexport(n)
+
+- [[./spine.org][spine]]  [[./][org/]]
+- [[./output_hub.org][output_hub]]
+
+* pod
+** _module template_                                                :module:
+
+#+BEGIN_SRC d :tangle "../src/doc_reform/output/source_pod.d"
+module doc_reform.output.source_pod;
+template DocReformPod() {
+  <<output_imports>>
+  void DocReformPod(T)(T doc_matters) {
+    <<source_pod_init>>
+    <<source_pod_archive>>
+    try {
+      <<source_pod_mkdirs>>
+      <<source_pod_copy>>
+      <<source_pod_zip>>
+    } catch (ErrnoException ex) {
+      // Handle error
+    }
+  }
+}
+#+END_SRC
+
+** init
+*** imports
+
+#+name: output_imports
+#+BEGIN_SRC d
+import doc_reform.output;
+import
+  std.digest.sha,
+  std.file,
+  std.outbuffer,
+  std.zip,
+  std.conv : to;
+import
+  doc_reform.output.create_zip_file,
+  doc_reform.output.xmls;
+#+END_SRC
+
+*** init
+
+#+name: source_pod_init
+#+BEGIN_SRC d
+debug(asserts) {
+  // static assert(is(typeof(doc_matters) == tuple));
+}
+mixin DocReformOutputRgxInit;
+string pwd = doc_matters.env.pwd;
+auto src_path_info = doc_matters.src_path_info;
+auto pth_dr_doc_src = doc_matters.src_path_info;
+auto pths_pod = DocReformPathsPods!()(doc_matters);
+mixin DocReformLanguageCodes;
+auto lang = Lang();
+static auto rgx = Rgx();
+assert (doc_matters.src.filename.match(rgx.src_fn));
+#+END_SRC
+
+*** pod zip archive
+
+#+name: source_pod_archive
+#+BEGIN_SRC d
+auto pod_archive(Z)(
+  string _source_type,
+  string _data_in,
+  string _pth_out,
+  Z zip
+) {
+  auto zip_arc_member_file = new ArchiveMember();
+  zip_arc_member_file.name = _pth_out;
+  auto zip_data = new OutBuffer();
+  switch (_source_type) {
+  case "file_path_bin":
+    zip_data.write(cast(char[]) ((_data_in).read));
+    goto default;
+  case "file_path_text":
+    zip_data.write((_data_in).readText);
+    goto default;
+  case "string":
+    zip_data.write(_data_in);
+    goto default;
+  default:
+    zip_arc_member_file.expandedData = zip_data.toBytes();
+    zip.addMember(zip_arc_member_file);
+  }
+  return zip;
+}
+#+END_SRC
+
+** mkdir                                                             :mkdir:
+
+#+name: source_pod_mkdirs
+#+BEGIN_SRC d
+/+ create directory structure +/
+if (!exists(pths_pod.pod_dir_())) {
+  // used both by pod zipped (& pod filesystem (unzipped) which makes its own recursive dirs)
+  pths_pod.pod_dir_().mkdirRecurse;
+}
+if (doc_matters.opt.action.source) {
+  if (!(doc_matters.opt.action.quiet)) {
+    writeln(" ", pths_pod.fn_pod_filelist(doc_matters.src.filename).filesystem_open_zpod);
+  }
+  if (!exists(pths_pod.text_root(doc_matters.src.filename).filesystem_open_zpod)) {
+    pths_pod.text_root(doc_matters.src.filename).filesystem_open_zpod.mkdirRecurse;
+  }
+  if (!exists(pths_pod.conf_root(doc_matters.src.filename).filesystem_open_zpod)) {
+    pths_pod.conf_root(doc_matters.src.filename).filesystem_open_zpod.mkdirRecurse;
+  }
+  if (!exists(pths_pod.media_root(doc_matters.src.filename).filesystem_open_zpod)) {
+    pths_pod.media_root(doc_matters.src.filename).filesystem_open_zpod.mkdirRecurse;
+  }
+  if (!exists(pths_pod.css(doc_matters.src.filename).filesystem_open_zpod)) {
+    pths_pod.css(doc_matters.src.filename).filesystem_open_zpod.mkdirRecurse;
+  }
+  if (!exists(pths_pod.image_root(doc_matters.src.filename).filesystem_open_zpod)) {
+    pths_pod.image_root(doc_matters.src.filename).filesystem_open_zpod.mkdirRecurse;
+  }
+  if (!exists(pths_pod.doc_lng(doc_matters.src.filename, doc_matters.src.language).filesystem_open_zpod)) {
+    pths_pod.doc_lng(doc_matters.src.filename, doc_matters.src.language).filesystem_open_zpod.mkdirRecurse;
+  }
+}
+#+END_SRC
+
+** copy                                                               :copy:
+
+#+name: source_pod_copy
+#+BEGIN_SRC d
+debug(pod) {
+  writeln(__LINE__, ": ",
+    doc_matters.src.filename, " -> ",
+    pths_pod.fn_doc(doc_matters.src.filename, doc_matters.src.language).filesystem_open_zpod
+  );
+}
+auto zip = new ZipArchive();
+auto fn_pod = pths_pod.pod_filename(doc_matters.src.filename).zpod;
+{ /+ bundle images +/
+  foreach (image; doc_matters.srcs.image_list) {
+    debug(podimages) {
+      writeln(
+        pth_dr_doc_src.image_root.to!string, "/", image, " -> ",
+        pths_pod.image_root(doc_matters.src.filename).zpod, "/", image
+      );
+    }
+    auto fn_src_in = doc_matters.src.image_dir_path ~ "/" ~ image;
+    auto fn_src_out_pod_zip_base
+      = pths_pod.image_root(doc_matters.src.filename).zpod.to!string
+      ~ "/" ~ image;
+    auto fn_src_out_filesystem
+      = pths_pod.image_root(doc_matters.src.filename).filesystem_open_zpod.to!string
+      ~ "/" ~ image;
+    if (exists(fn_src_in)) {
+      debug(io) {
+        writeln("(io debug) src out found: ", fn_src_in);
+      }
+      if (doc_matters.opt.action.source) {
+        fn_src_in.copy(fn_src_out_filesystem);
+      }
+      if (doc_matters.opt.action.pod) {
+        zip = pod_archive("file_path_bin", fn_src_in, fn_src_out_pod_zip_base, zip);
+      }
+    } else {
+      if (doc_matters.opt.action.debug_do
+      && doc_matters.opt.action.verbose) {
+        writeln("WARNING (io) src out NOT found (image): ", fn_src_in);
+      }
+    }
+  }
+} { /+ bundle dr_document_make +/
+  auto fn_src_in = ((doc_matters.src.is_pod)
+    ? doc_matters.src.conf_dir_path
+    : pth_dr_doc_src.conf_root).to!string
+    ~ "/" ~ "dr_document_make";
+  auto fn_src_out_pod_zip_base
+    = pths_pod.conf_root(doc_matters.src.filename).zpod.to!string ~ "/" ~ "dr_document_make";
+  auto fn_src_out_filesystem
+    = pths_pod.conf_root(doc_matters.src.filename).filesystem_open_zpod.to!string
+    ~ "/" ~ "dr_document_make";
+  if (exists(fn_src_in)) {
+    debug(io) {
+      writeln("(io debug) src out found: ", fn_src_in);
+    }
+    if (doc_matters.opt.action.source) {
+      fn_src_in.copy(fn_src_out_filesystem);
+    }
+    if (doc_matters.opt.action.pod) {
+      zip = pod_archive("file_path_text", fn_src_in, fn_src_out_pod_zip_base, zip);
+    }
+  } else {
+    if (doc_matters.opt.action.debug_do
+    && doc_matters.opt.action.verbose) {
+      writeln("WARNING (io) src out NOT found (document make): ", fn_src_in);
+    }
+  }
+} { /+ pod manifest +/
+  auto fn_src_in = doc_matters.src.file_with_absolute_path.to!string;
+  auto fn_src_out_pod_zip_base
+    = pths_pod.pod_manifest(doc_matters.src.filename).zpod.to!string;
+  auto fn_src_out_filesystem
+    = pths_pod.pod_manifest(doc_matters.src.filename).filesystem_open_zpod.to!string; // needed without root path
+  auto fn_src_out_inside_pod
+    = pths_pod.pod_manifest(doc_matters.src.filename).zpod.to!string; // needed without root path
+  string[] filelist_src_out_pod_arr;
+  string[] filelist_src_zpod_arr;
+  if (exists(fn_src_in)) {
+    debug(io) {
+      writeln("(io debug) src in found: ", fn_src_in);
+    }
+    filelist_src_out_pod_arr ~= fn_src_out_pod_zip_base;
+    filelist_src_zpod_arr ~= fn_src_out_inside_pod;
+    {
+      import dyaml;
+      auto pod_filelist_yaml_string
+        = File(pths_pod.fn_pod_filelist(doc_matters.src.filename).filesystem_open_zpod, "w");
+      Node _pmy;
+      string _pm = "doc:\n  filename: " ~ doc_matters.src.filename ~ "\n  language: " ~ doc_matters.pod.manifest_list_of_languages.to!string ~ "\n";
+      if (doc_matters.opt.action.debug_do
+      && doc_matters.opt.action.verbose) {
+        _pmy = Loader.fromString(_pm).load();
+        writeln("pod filename:  ", _pmy["doc"]["filename"].get!string);
+        writeln("pod languages: ", doc_matters.pod.manifest_list_of_languages.to!string);
+        writeln("pod languages: ", doc_matters.src.language);
+        // foreach(string _l; _pmy["doc"]["language"]) {
+        //   writeln("language:      ", _l);
+        // }
+      }
+      if (doc_matters.opt.action.source) {
+        pod_filelist_yaml_string.writeln(_pm);
+      }
+      if (doc_matters.opt.action.pod) {
+        zip = pod_archive("string", _pm, fn_src_out_pod_zip_base, zip);
+      }
+    }
+  }
+} { /+ bundle primary file (.ssm/.sst) +/
+  auto fn_src_in = doc_matters.src.file_with_absolute_path.to!string;
+  auto fn_src_out_pod_zip_base
+    = pths_pod.fn_doc(doc_matters.src.filename, doc_matters.src.language).zpod.to!string;
+  auto fn_src_out_filesystem
+    = pths_pod.fn_doc(doc_matters.src.filename, doc_matters.src.language).filesystem_open_zpod.to!string; // needed without root path:
+  auto fn_src_out_inside_pod
+    = pths_pod.fn_doc(doc_matters.src.filename, doc_matters.src.language).zpod.to!string; // needed without root path:
+  string[] filelist_src_out_pod_arr;
+  string[] filelist_src_zpod_arr;
+  if (exists(fn_src_in)) {
+    debug(io) {
+      writeln("(io debug) src in found: ", fn_src_in);
+    }
+    filelist_src_out_pod_arr ~= fn_src_out_pod_zip_base;
+    filelist_src_zpod_arr ~= fn_src_out_inside_pod;
+    string _pod_to_markup_file = doc_matters.src.pod_name ~ "/" ~ "media/text/" ~ doc_matters.src.language ~ "/" ~ doc_matters.src.filename;
+    if (doc_matters.opt.action.source) {
+      fn_src_in.copy(fn_src_out_filesystem);
+    }
+    if (doc_matters.opt.action.pod) {
+      auto _rgx = regex(r"(?P<path_to_pod>\S+?)(?P<podname>[a-z_-]+)/(?P<from_root>media/text/)(?P<language>\S+?)/(?P<filename>\S+?\.ss[mt])");
+      if (auto _x = fn_src_in.match(_rgx)){
+        if (doc_matters.src.lng == doc_matters.pod.manifest_list_of_languages[$-1]) {
+          string _path_to_pod = _x.captures["path_to_pod"];
+          string _podname = _x.captures["podname"];
+          string _root_to_lang = _x.captures["from_root"];
+          string _language = _x.captures["language"];
+          string _filename = _x.captures["filename"];
+          foreach (_lang; doc_matters.pod.manifest_list_of_languages) {
+            string _pth_mkup_src_in = _path_to_pod ~ _podname ~ "/" ~ _root_to_lang ~ _lang ~ "/" ~ _filename;
+            string _pth_mkup_src_out = "pod/" ~ _root_to_lang ~ _lang ~ "/" ~ _filename;
+            zip = pod_archive("file_path_text", _pth_mkup_src_in, _pth_mkup_src_out, zip);
+          }
+        }
+      } else {
+        zip = pod_archive("file_path_text", fn_src_in, fn_src_out_pod_zip_base, zip);
+      }
+    }
+  } else {
+    if (doc_matters.opt.action.debug_do
+    && doc_matters.opt.action.verbose) {
+      writeln("WARNING (io) src in NOT found (markup source): ", fn_src_in);
+    }
+  }
+} { /+ bundle insert files (.ssi) +/
+  if (doc_matters.srcs.file_insert_list.length > 0) {
+    auto _rgx = regex(r"(?P<path_to_pod>\S+?)(?P<podname>[a-z_-]+)/(?P<from_root>media/text/)(?P<language>\S+?)/(?P<filename>\S+?\.ss[i])");
+    foreach (insert_file; doc_matters.srcs.file_insert_list) {
+      debug(pod) {
+        writeln(
+          insert_file, " -> ",
+          pths_pod.fn_doc_insert(
+            doc_matters.src.filename,
+            insert_file,
+            doc_matters.src.language,
+          ).zpod
+        );
+      }
+      if (auto _x = insert_file.match(_rgx)){
+        if (doc_matters.src.lng == doc_matters.pod.manifest_list_of_languages[$-1]) {
+          string _path_to_pod = _x.captures["path_to_pod"];
+          string _podname = _x.captures["podname"];
+          string _root_to_lang = _x.captures["from_root"];
+          string _language = _x.captures["language"];
+          string _filename = _x.captures["filename"];
+          foreach (_lang; doc_matters.pod.manifest_list_of_languages) {
+            string _pth_mkup_src_in = _path_to_pod ~ _podname ~ "/" ~ _root_to_lang ~ _lang ~ "/" ~ _filename;
+            string _pth_mkup_src_out = "pod/" ~ _root_to_lang ~ _lang ~ "/" ~ _filename;
+            if (exists(_pth_mkup_src_in)) {
+              if (doc_matters.opt.action.source) {
+                auto fn_src_out_filesystem // you need to change language sources
+                  = pths_pod.fn_doc_insert(
+                    doc_matters.src.filename, // doc_matters.src.filename
+                    _pth_mkup_src_in, // insert_file
+                    _lang,
+                  ).filesystem_open_zpod.to!string;
+                _pth_mkup_src_in.copy(fn_src_out_filesystem); // check why here, thought dealt with elsewhere
+              }
+              if (doc_matters.opt.action.pod) {
+                 zip = pod_archive("file_path_text", _pth_mkup_src_in, _pth_mkup_src_out, zip);
+              }
+            } else {
+              if (doc_matters.opt.action.debug_do
+              && doc_matters.opt.action.verbose) {
+                writeln("WARNING (io) src out NOT found (insert file): ", _pth_mkup_src_in);
+              }
+            }
+          }
+        }
+      } else {
+        auto fn_src_in = insert_file;
+        auto fn_src_out_pod_zip_base
+          = pths_pod.fn_doc_insert(
+            doc_matters.src.filename,
+            insert_file,
+            doc_matters.src.language,
+          ).zpod.to!string;
+        auto fn_src_out_filesystem
+          = pths_pod.fn_doc_insert(
+            doc_matters.src.filename,
+            insert_file,
+            doc_matters.src.language,
+          ).filesystem_open_zpod.to!string;
+        if (exists(fn_src_in)) {
+          debug(io) {
+            writeln("(io debug) src out found: ", fn_src_in);
+          }
+          if (doc_matters.opt.action.source) {
+            fn_src_in.copy(fn_src_out_filesystem);
+          }
+          if (doc_matters.opt.action.pod) {
+            zip = pod_archive("file_path_text", fn_src_in, fn_src_out_pod_zip_base, zip);
+          }
+        } else {
+          if (doc_matters.opt.action.debug_do
+          && doc_matters.opt.action.verbose) {
+            writeln("WARNING (io) src out NOT found (insert file): ", fn_src_in);
+          }
+        }
+      }
+    }
+  }
+} {
+  auto fn_src_in = doc_matters.src.filename;
+  if (doc_matters.opt.action.pod) {
+    if (exists(doc_matters.src.file_with_absolute_path)) {
+      createZipFile!()(fn_pod, zip.build());
+    } else {
+      writeln("WARNING check missing source file(s): ", doc_matters.opt.action.pod);
+    }
+    if (!(exists(fn_pod))) {
+      writeln("WARNING failed to create pod zip archive: ", fn_pod);
+    }
+  }
+}
+#+END_SRC
+
+** sha256 of pod.zip, zip debug, read zip archive
+
+#+name: source_pod_copy
+#+BEGIN_SRC d
+if (exists(fn_pod)) {
+  try {
+    if (!(doc_matters.opt.action.quiet)
+    && doc_matters.opt.action.pod) {
+      auto data = (cast(byte[]) (fn_pod).read);
+      if (doc_matters.opt.action.verbose) {
+        writeln(" ", doc_matters.src.filename, " > ");
+      }
+      if (doc_matters.opt.action.pod) {
+        writefln(" %s\n   %s %-(%02x%)", fn_pod, "sha256", data.sha256Of);
+      }
+    }
+    debug(pod) {
+      try {
+        auto zipped = new ZipArchive((fn_pod).read);
+        foreach (filename, member; zipped.directory) {
+          auto data = zipped.expand(member);
+          writeln("> ", filename, " length ", data.length);
+        }
+      } catch (ZipException ex) {
+        // Handle errors
+      }
+      if (doc_matters.src.filename == "dr_doc/media/text/en/the_wealth_of_networks.yochai_benkler.sst") {
+        assert(
+          ((data).sha256Of).toHexString
+          == "626F83A31ED82F42CF528E922C1643498A137ABA3F2E5AFF8A379EA79EA22A1E",
+          "\npod: sha256 value for "
+          ~ doc_matters.src.filename
+          ~ " has changed, is now: "
+          ~ ((data).sha256Of).toHexString
+        );
+      }
+      if (doc_matters.src.filename == "dr_doc/media/text/en/sisu_markup_stress_test.sst") {
+        assert(
+          ((data).sha256Of).toHexString
+          == "AAE0C87AB3F6D5F7385AEEA6EE661F56D40475CFE87AD930C78C9FE07FFB0D91",
+          "\npod: sha256 value for "
+          ~ doc_matters.src.filename
+          ~ " has changed, is now: "
+          ~ ((data).sha256Of).toHexString
+        );
+      }
+    }
+  } catch (ErrnoException ex) {
+    // Handle errors
+  }
+}
+#+END_SRC
+
+* __END__
diff --git a/org/out_xmls.org b/org/out_xmls.org
new file mode 100644
index 0000000..ea1af4a
--- /dev/null
+++ b/org/out_xmls.org
@@ -0,0 +1,3095 @@
+-*- mode: org -*-
+#+TITLE:       spine (doc_reform) output xmls
+#+DESCRIPTION: documents - structuring, publishing in multiple formats & search
+#+FILETAGS:    :spine:output:xml:
+#+AUTHOR:      Ralph Amissah
+#+EMAIL:       [[mailto:ralph.amissah@gmail.com][ralph.amissah@gmail.com]]
+#+COPYRIGHT:   Copyright (C) 2015 - 2019 Ralph Amissah
+#+LANGUAGE:    en
+#+STARTUP:     indent content hideblocks hidestars
+#+OPTIONS:     H:3 num:nil toc:t \n:nil @:t ::t |:t ^:nil _:nil -:t f:t *:t <:t
+#+OPTIONS:     TeX:t LaTeX:t skip:nil d:nil todo:t pri:nil tags:not-in-toc
+#+OPTIONS:     author:nil email:nil creator:nil timestamp:nil
+#+PROPERTY:    header-args :padline no :exports code :cache no :noweb yes
+#+EXPORT_SELECT_TAGS:  export
+#+EXPORT_EXCLUDE_TAGS: noexport
+#+TAGS: assert(a) class(c) debug(d) mixin(m) spine(s) tangle(T) template(t) WEB(W) noexport(n)
+
+- [[./spine.org][spine]]  [[./][org/]]
+- [[./output_hub.org][output_hub]]
+
+* xml offspring (xhtml html epub)
+** format xhtml objects                                             :format:
+*** _module template_                                                :module:
+
+#+BEGIN_SRC d :tangle "../src/doc_reform/output/xmls.d"
+module doc_reform.output.xmls;
+template outputXHTMLs() {
+  <<output_imports>>
+  mixin DocReformOutputRgxInit;
+  struct outputXHTMLs {
+    static auto rgx = Rgx();
+    <<xhtml_format_objects>>
+    <<xhtml_format_objects_code>>
+  }
+}
+#+END_SRC
+
+*** output imports
+
+#+name: output_imports
+#+BEGIN_SRC d
+import doc_reform.output;
+import
+  std.digest.sha,
+  std.file,
+  std.outbuffer,
+  std.uri,
+  std.zip,
+  std.conv : to;
+import
+  doc_reform.output.create_zip_file,
+  doc_reform.output.xmls,
+  doc_reform.output.xmls_css;
+#+END_SRC
+
+*** misc
+**** div delimiter
+
+#+name: xhtml_format_objects
+#+BEGIN_SRC d
+string div_delimit(
+             string  part,
+  return ref string  previous_part
+){
+  string delimit = "";
+  string delimit_ = "";
+  if (part != previous_part) {
+    switch (part) {
+    case "head":
+      delimit_ ~= "\n<div class=\"doc_title\">\n" ;
+      break;
+    case "toc":
+      delimit_ ~= "\n<div class=\"doc_toc\">\n" ;
+      break;
+    case "bookindex":
+      delimit_ ~= "\n<div class=\"doc_bookindex\">\n" ;
+      break;
+    default:
+      delimit_ ~= "\n<div class=\"doc_" ~ part ~ "\">\n" ;
+      break;
+    }
+    if (previous_part.length > 0) {
+      delimit ~= "\n</div>";
+    }
+    previous_part = part;
+    delimit ~=  delimit_;
+  }
+  // you also need to close the last div, introduce a footer?
+  return delimit;
+}
+#+END_SRC
+
+**** special characters text
+
+#+name: xhtml_format_objects
+#+BEGIN_SRC d
+string special_characters_text(string _txt){
+  _txt = _txt
+    .replaceAll(rgx.xhtml_ampersand,    "&#38;")
+    .replaceAll(rgx.xhtml_quotation,    "&#34;")
+    .replaceAll(rgx.xhtml_less_than,    "&#60;")
+    .replaceAll(rgx.xhtml_greater_than, "&#62;")
+    .replaceAll(rgx.nbsp_char,          " ");
+  return _txt;
+}
+#+END_SRC
+
+**** special characters
+
+#+name: xhtml_format_objects
+#+BEGIN_SRC d
+string special_characters(O)(
+  const  O         obj,
+){
+  string _txt = special_characters_text(obj.text);
+  if (!(obj.metainfo.is_a == "code")) {
+    _txt = (_txt)
+      .replaceAll(rgx.xhtml_line_break,   "<br />");
+  }
+  return _txt;
+}
+#+END_SRC
+
+**** font_face
+
+#+name: xhtml_format_objects
+#+BEGIN_SRC d
+string font_face(string _txt){
+  _txt = _txt
+    .replaceAll(rgx.inline_emphasis,    ("<em>$1</em>"))
+    .replaceAll(rgx.inline_bold,        ("<b>$1</b>"))
+    .replaceAll(rgx.inline_underscore,  ("<u>$1</u>"))
+    .replaceAll(rgx.inline_italics,     ("<i>$1</i>"))
+    .replaceAll(rgx.inline_superscript, ("<sup>$1</sup>"))
+    .replaceAll(rgx.inline_subscript,   ("<sub>$1</sub>"))
+    .replaceAll(rgx.inline_strike,      ("<del>$1</del>"))
+    .replaceAll(rgx.inline_insert,      ("<ins>$1</ins>"))
+    .replaceAll(rgx.inline_mono,        ("<tt>$1</tt>"))
+    .replaceAll(rgx.inline_cite,        ("<cite>$1</cite>"));
+  return _txt;
+}
+#+END_SRC
+
+**** anchor tags
+
+#+name: xhtml_format_objects
+#+BEGIN_SRC d
+string _xhtml_anchor_tags(O)(O obj) {
+  const(string[]) anchor_tags = obj.tags.anchor_tags;
+  string tags="";
+  if (anchor_tags.length > 0) {
+    foreach (tag; anchor_tags) {
+      if (!(tag.empty)) {
+        tags ~= "<a name=\"" ~ tag ~ "\"></a>";
+      }
+    }
+  }
+  return tags;
+}
+#+END_SRC
+
+**** doc head & tails
+***** metadata
+
+#+name: xhtml_format_objects
+#+BEGIN_SRC d
+string header_metadata(M)(
+  M  doc_matters,
+) {
+  string _publisher="Publisher"; // TODO
+  string o;
+  o = format(q"┃<!-- DocReform header metadata -->
+<meta http-equiv="Content-Type" content="text/html;charset=utf-8" />
+<meta name="dc.title" content="%s" />
+<meta name="dc.author" content="%s" />
+<meta name="dc.publisher" content="%s" />
+<meta name="dc.date" content="%s" />
+<meta name="dc.date.created" content="%s" />
+<meta name="dc.date.issued" content="%syear" />
+<meta name="dc.date.available" content="%syear" />
+<meta name="dc.date.valid" content="%syear" />
+<meta name="dc.date.modified" content="%syear" />
+<meta name="dc.language" content="%s" />
+<meta name="dc.rights" content="%s" />
+<meta name="generator" content="%s" />
+<link rel="generator" href="%s" />
+<!-- DocReform header metadata -->┃",
+    doc_matters.conf_make_meta.meta.title_full,
+    doc_matters.conf_make_meta.meta.creator_author,
+    _publisher,
+    doc_matters.conf_make_meta.meta.date_published,
+    doc_matters.conf_make_meta.meta.date_created,
+    doc_matters.conf_make_meta.meta.date_issued,
+    doc_matters.conf_make_meta.meta.date_available,
+    doc_matters.conf_make_meta.meta.date_valid,
+    doc_matters.conf_make_meta.meta.date_modified,
+    doc_matters.src.language,
+    doc_matters.conf_make_meta.meta.rights_copyright,
+    doc_matters.opt.action.debug_do ? "" : doc_matters.generator_program.name_and_version,
+    doc_matters.generator_program.url_home,
+  );
+  return o;
+}
+#+END_SRC
+
+***** site info button
+
+#+name: xhtml_format_objects
+#+BEGIN_SRC d
+string site_info_button(M)(
+  M  doc_matters,
+) {
+  string _locations;
+  if (doc_matters.conf_make_meta.make.home_button_text.length > 0) {
+    _locations = (doc_matters.conf_make_meta.make.home_button_text)
+      .replaceAll(
+        rgx.inline_link,
+        ("<p class=\"tiny_left\"><a href=\"$2\">$1</a></p>"))
+      .replaceAll(
+        rgx.br_line, "")
+      .replaceAll(
+        rgx.br_nl, "");
+  } else {
+     _locations = "<p class=\"tiny_left\"><a href=\"http://www.doc-reform.org\">spine</a></p>\n<p class=\"tiny_left\"><a href=\"http://git.sisudoc.org/software/spine/\">sources / git</a></p>\n<p class=\"tiny_left\"><a href=\"http://www.sisudoc.org\">www.sisudoc.org</a></p>";
+  }
+  string o;
+  o = format(q"┃<div class="flex-menu-option">
+      %s
+    </div>┃",
+    _locations,
+  );
+  return o;
+}
+#+END_SRC
+
+***** search form
+
+#+name: xhtml_format_objects
+#+BEGIN_SRC d
+string inline_search_form(M)(
+  M  doc_matters,
+) {
+  string _action="http://www.sisudoc.org/cgi-bin/search.cgi";
+  string _db="DocReform.7a.manual";
+  string o;
+  string _form;
+  if (doc_matters.opt.action.workon) {
+    _form = format(q"┃
+<a name="search"></a>
+<form method="get" action="%s" target="_top">
+<font size="2">
+<input type="text" name="s1" size="24" maxlength="255" />
+<input type="hidden" name="db" value="%s" />
+<input type="hidden" name="ltd" value="1000" />
+<input type="hidden" name="off" value="0" />
+<input type="hidden" name="doc" value="live-manual" /><br />
+<input type="submit" name="search" value="search doc" />
+<input type="submit" name="search" value="search db" />
+</font></form>
+      ┃",
+    _action,
+    _db,
+    );
+  } else {
+    _form = format(q"┃%s┃",
+      "",
+    );
+  }
+  o = format(q"┃<div class="flex-menu-option">%s
+    </div>┃",
+    _form,
+  );
+  return o;
+}
+#+END_SRC
+
+***** html head & head banner
+
+#+name: xhtml_format_objects
+#+BEGIN_SRC d
+string html_head(M)(
+  M  doc_matters,
+  string type,
+) {
+string _manifest = "";
+if (doc_matters.opt.action.workon) {
+  _manifest = format(q"┃
+     <a href="../../manifest/sisu.en.html" target="_top">
+       <font face="verdana, arial, georgia, tahoma, sans-serif, helvetica, times, roman" size="2">
+         [&nbsp;document&nbsp;manifest&nbsp;]
+       </font>
+     </a>
+     ┃",
+  );
+}
+  string o;
+  o = format(q"┃<!DOCTYPE html>
+<html>
+<head>
+  <meta charset="utf-8" />
+  <title>
+    %s%s
+  </title>
+  <!-- metadata -->
+  %s
+  <!-- metadata -->
+  <link rel="generator" href="http://www.sisudoc.org/" />
+  <link rel="shortcut icon" href="%s" />
+  <link href="%s" rel="stylesheet" />
+</head>
+<body lang="%s">
+<a name="top" id="top"></a>
+<div class='delimit headband'>
+  <div class="flex-menu-bar">
+    %s
+    <div class="flex-menu-option">
+      %s
+    </div>
+    %s%s┃",
+    doc_matters.conf_make_meta.meta.title_full,
+    (doc_matters.conf_make_meta.meta.creator_author.empty) ? ""
+      : ", " ~ doc_matters.conf_make_meta.meta.creator_author,
+    header_metadata(doc_matters),
+    ((type == "seg") ? "../../../" : "../../") ~ "image/rb7.ico",
+    ((type == "seg")
+      ? "../../../css/html_seg.css"
+      : "../../css/html_scroll.css"),
+    doc_matters.src.language,
+    site_info_button(doc_matters),
+    _manifest,
+    inline_search_form(doc_matters),
+    ((type == "seg") ? "" : "\n</div>"),
+  );
+  return o;
+}
+#+END_SRC
+
+***** epub seg head
+
+#+name: xhtml_format_objects
+#+BEGIN_SRC d
+string epub3_seg_head(M)(
+  M  doc_matters,
+) {
+  string html_base = format(q"┃<!DOCTYPE html>
+<html>┃",
+);
+  string html_simple = format(q"┃<!DOCTYPE html>
+<html
+  xmlns="http://www.w3.org/1999/xhtml"
+  xmlns:epub="http://www.idpf.org/2007/ops"
+  lang="%s" xml:lang="%s">┃",
+    doc_matters.src.language,
+    doc_matters.src.language,
+  );
+  string html_strict = format(q"┃<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
+     "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html xmlns="http://www.w3.org/1999/xhtml"
+  xmlns:epub="http://www.idpf.org/2007/ops"
+  lang="%s" xml:lang="%s">┃",
+    doc_matters.src.language,
+    doc_matters.src.language,
+  );
+  string o;
+  o = format(q"┃%s
+<head>
+  <title>
+    %s%s
+  </title>
+  <meta http-equiv="Content-Type" content="text/html;charset=utf-8" />
+  <meta name="dc.title" content="%s" />
+  <meta name="dc.author" content="%s" />
+  <meta name="dc.publisher" content="FIX" />
+  <meta name="dc.date" content="%s" />
+  <meta name="dc.date.created" content="%s" />
+  <meta name="dc.date.issued" content="%s" />
+  <meta name="dc.date.available" content="%s" />
+  <meta name="dc.date.valid" content="%s" />
+  <meta name="dc.date.modified" content="%s" />
+  <meta name="dc.language" content="%s" />
+  <meta name="dc.rights" content="%s" />
+  <meta name="generator" content="%s" />
+  <link rel="generator" href="%s" />
+  <link rel="shortcut icon" href="../_dr/image/d.ico" />
+  <link rel="stylesheet" href="css/epub.css" type="text/css" id="main-css" />
+</head>
+<body lang="%s">
+<a name="top" id="top"></a>┃",
+    html_simple,
+    doc_matters.conf_make_meta.meta.title_full,
+    (doc_matters.conf_make_meta.meta.creator_author.empty) ? ""
+      : ", " ~ doc_matters.conf_make_meta.meta.creator_author,
+    doc_matters.conf_make_meta.meta.title_full,
+    (doc_matters.conf_make_meta.meta.creator_author.empty) ? ""
+      : ", " ~ doc_matters.conf_make_meta.meta.creator_author,
+    doc_matters.conf_make_meta.meta.date_published,
+    doc_matters.conf_make_meta.meta.date_created,
+    doc_matters.conf_make_meta.meta.date_issued,
+    doc_matters.conf_make_meta.meta.date_available,
+    doc_matters.conf_make_meta.meta.date_valid,
+    doc_matters.conf_make_meta.meta.date_modified,
+    doc_matters.src.language,
+    doc_matters.conf_make_meta.meta.rights_copyright,
+    doc_matters.generator_program.name_and_version,
+    doc_matters.generator_program.url_home,
+    doc_matters.src.language,
+  );
+  return o;
+}
+#+END_SRC
+
+***** xhtml tail
+
+#+name: xhtml_format_objects
+#+BEGIN_SRC d
+string tail() {
+  string o;
+  o = format(q"┃
+  <a name="bottom" id="bottom"></a>
+  <a name="end" id="end"></a>
+</body>
+</html>┃");
+  return o;
+}
+#+END_SRC
+
+*** inline markup
+**** images
+
+#+name: xhtml_format_objects
+#+BEGIN_SRC d
+string inline_images(O,M)(
+  string          _txt,
+  const        O  obj,
+               M  doc_matters,
+  string          _suffix    = ".html",
+  string          _xml_type = "seg",
+) {
+  string _img_pth;
+  if (_xml_type == "epub") {
+    _img_pth = "image/";
+  } else if (_xml_type == "scroll") {
+    _img_pth = "../../image/";
+  } else if (_xml_type == "seg") {
+    _img_pth = "../../../image/";
+  }
+  if (_txt.match(rgx.inline_image)) {
+    _txt = _txt
+      .replaceAll(rgx.inline_image,
+        ("$1<img src=\""
+          ~ _img_pth
+          ~ "$3\" width=\"$4\" height=\"$5\" naturalsizeflag=\"0\" align=\"bottom\" border=\"0\" /> $6"))
+      .replaceAll(
+        rgx.inline_link_empty,
+        ("$1"));
+  }
+  return _txt;
+}
+#+END_SRC
+
+**** links
+***** scroll, seg, epub
+
+#+name: xhtml_format_objects
+#+BEGIN_SRC d
+string inline_links(O,M)(
+  string          _txt,
+  const        O  obj,
+               M  doc_matters,
+  string         _suffix   = ".html",
+  string         _xml_type = "seg",
+) {
+  string seg_lvs;
+  if (obj.has.inline_links) {
+    if  (obj.metainfo.is_a != "code") {
+      _txt = replaceAll!(m =>
+          m[1] ~ "┤"
+          ~ (replaceAll!(n =>
+              n["type"] ~ n["path"] ~ (n["file"].encodeComponent)
+            )((obj.stow.link[m["num"].to!ulong]).to!string, rgx.uri_identify_components))
+          ~ "├"
+        )(_txt, rgx.inline_link_number_only);
+    }
+    if ((_txt.match(rgx.mark_internal_site_lnk))
+    && (_xml_type == "scroll")) { // conditions reversed to avoid: gdc compiled program run segfault
+      _txt = _txt.replaceAll(
+        rgx.inline_seg_link,
+        "$1");
+    }
+    if (_xml_type == "seg" || _xml_type == "epub") {
+      seg_lvs = (_xml_type == "epub") ? "seg_lv1_to_4" : "seg_lv4";
+      foreach (m; _txt.match(rgx.inline_link_hash)) {
+        if (m.captures[3] in doc_matters.has.tag_associations) {
+          if (
+            m.captures[3]
+            == doc_matters.has.tag_associations[(m.captures[3])][seg_lvs]
+          ) {
+            _txt = _txt.replaceFirst(
+              rgx.inline_link_hash,
+              "┥$1┝┤$3" ~ _suffix ~ "├"
+            );
+          } else {
+            _txt = _txt.replaceFirst(
+              rgx.inline_link_hash,
+              "┥$1┝┤"
+              ~ doc_matters.has.tag_associations[(m.captures[3])][seg_lvs]
+              ~ _suffix ~ "#" ~ "$3"
+              ~ "├"
+            );
+          }
+        } else {
+          if (!(doc_matters.opt.action.quiet)) {
+            writeln(
+              "WARNING on internal document links, anchor to link <<"
+               ~ m.captures[3]
+               ~ ">> not found in document, "
+               ~ "anchor: " ~ m.captures[3]
+               ~ " document: " ~ doc_matters.src.filename
+            );
+          }
+        }
+      }
+    }
+    _txt = _txt
+      .replaceAll(
+        rgx.inline_link_fn_suffix,
+        ("$1" ~ _suffix))
+      .replaceAll(
+        rgx.inline_link,
+        ("<a href=\"$2\">$1</a>"))
+      .replaceAll(
+        rgx.mark_internal_site_lnk,
+        "");
+  }
+  debug(markup_links) {
+    if (_txt.match(rgx.inline_link)) {
+      writeln(__LINE__,
+        " (missed) markup link identified (",
+        obj.has.inline_links,
+        "): ", obj.metainfo.is_a, ": ",
+        obj.text
+      );
+    }
+  }
+  debug(markup) {
+    if (_txt.match(rgx.inline_link)) {
+      writeln(__LINE__,
+        " (missed) markup link identified (",
+        obj.has.inline_links,
+        "): ", obj.metainfo.is_a, ": ",
+        obj.text
+      );
+    }
+  }
+  return _txt;
+}
+#+END_SRC
+
+**** notes
+***** scroll
+
+#+name: xhtml_format_objects
+#+BEGIN_SRC d
+string inline_notes_scroll(O,M)(
+  string          _txt,
+  const        O  obj,
+               M  doc_matters,
+) {
+  if (obj.has.inline_notes_reg) {
+    _txt = font_face(_txt);
+    _txt = _txt.replaceAll(
+      rgx.inline_notes_al_regular_number_note,
+      ("<a href=\"#note_$1\"><note id=\"noteref_$1\">&#160;<sup>$1</sup> </note></a>")
+    );
+  }
+  if (obj.has.inline_notes_star) {
+    _txt = font_face(_txt);
+    _txt = _txt.replaceAll(
+      rgx.inline_notes_al_special_char_note,
+      ("<a href=\"#note_$1\"><note id=\"noteref_$1\">&#160;<sup>$1</sup> </note></a>")
+    );
+  }
+  debug(markup_endnotes) {
+    if (_txt.match(rgx.inline_notes_al_regular_number_note)) {
+      writeln(__LINE__, " (missed) markup endnote: ", obj.metainfo.is_a, ": ", obj.text);
+    }
+  }
+  debug(markup) {
+    if (_txt.match(rgx.inline_notes_al_regular_number_note)) {
+      writeln(__LINE__, " (missed) markup endnote: ", obj.metainfo.is_a, ": ", obj.text);
+    }
+  }
+  return _txt;
+}
+#+END_SRC
+
+***** seg
+
+#+name: xhtml_format_objects
+#+BEGIN_SRC d
+auto inline_notes_seg(O,M)(
+  string          _txt,
+  const        O  obj,
+               M  doc_matters,
+) {
+  string[] _endnotes;
+  if (obj.has.inline_notes_star) {
+    _txt = font_face(_txt);
+    /+ need markup for text, and separated footnote +/
+    foreach(m; _txt.matchAll(rgx.inline_notes_al_special_char_note)) {
+      _endnotes ~= format(
+        "%s%s%s%s\n  %s%s%s%s%s\n  %s\n%s",
+        "<p class=\"endnote\">",
+        "<a href=\"#noteref_",
+        m.captures[1],
+        "\">",
+        "<note id=\"note_",
+        m.captures[1],
+        "\">&#160;<sup>",
+        m.captures[1],
+        ".</sup></note></a>",
+        m.captures[2],
+        "</p>"
+      );
+    }
+    _txt = _txt.replaceAll(
+      rgx.inline_notes_al_special_char_note,
+      ("<a href=\"#note_$1\"><note id=\"noteref_$1\">&#160;<sup>$1</sup> </note></a>")
+    );
+  }
+  if (obj.has.inline_notes_reg) {
+    _txt = font_face(_txt);
+    /+ need markup for text, and separated footnote +/
+    foreach(m; _txt.matchAll(rgx.inline_notes_al_regular_number_note)) {
+      _endnotes ~= format(
+        "%s%s%s%s\n  %s%s%s%s%s\n  %s\n%s",
+        "<p class=\"endnote\">",
+        "<a href=\"#noteref_",
+        m.captures[1],
+        "\">",
+        "<note id=\"note_",
+        m.captures[1],
+        "\">&#160;<sup>",
+        m.captures[1],
+        ".</sup></note></a>",
+        m.captures[2],
+        "</p>"
+      );
+    }
+    _txt = _txt.replaceAll(
+      rgx.inline_notes_al_regular_number_note,
+      ("<a href=\"#note_$1\"><note id=\"noteref_$1\">&#160;<sup>$1</sup> </note></a>")
+    );
+  } else if (_txt.match(rgx.inline_notes_al_regular_number_note)) {
+    debug(markup) {
+      writeln(__LINE__, " endnote: ", obj.metainfo.is_a, ": ", obj.text);
+    }
+  }
+  auto t = tuple(
+    _txt,
+    _endnotes,
+  );
+  return t;
+}
+#+END_SRC
+
+**** inline markup
+***** scroll
+
+#+name: xhtml_format_objects
+#+BEGIN_SRC d
+string inline_markup_scroll(O,M)(
+  string          _txt,
+  const        O  obj,
+               M  doc_matters,
+  string          _suffix = ".html",
+) {
+  if (obj.metainfo.dummy_heading
+    && (obj.metainfo.is_a == "toc" || obj.metainfo.is_a == "heading")) {
+    _txt = "";
+  } else {
+    _txt = inline_images(_txt, obj, doc_matters, _suffix, "scroll");
+    _txt = inline_links(_txt, obj, doc_matters, _suffix, "scroll");
+    _txt = inline_notes_scroll(_txt, obj, doc_matters);
+  }
+  return _txt;
+}
+#+END_SRC
+
+***** seg
+
+#+name: xhtml_format_objects
+#+BEGIN_SRC d
+auto inline_markup_seg(O,M)(
+  string          _txt,
+  const        O  obj,
+               M  doc_matters,
+  string          _suffix = ".html",
+  string          _xml_type = "seg",
+) {
+  if (obj.metainfo.dummy_heading
+    && ((_xml_type == "epub"
+    && (obj.metainfo.is_a == "toc" || obj.metainfo.is_a == "heading"))
+    || obj.metainfo.is_a == "heading")
+  ) {
+    _txt = "";
+  } else {
+    _txt = inline_images(_txt, obj, doc_matters, _suffix, _xml_type); // TODO
+    _txt = inline_links(_txt, obj, doc_matters, _suffix, _xml_type); // TODO
+  }
+  auto t = inline_notes_seg(_txt, obj, doc_matters);
+  return t;
+}
+#+END_SRC
+
+*** toc
+**** subtoc
+
+#+name: xhtml_format_objects
+#+BEGIN_SRC d
+string lev4_heading_subtoc(O,M)(
+  const        O  obj,
+               M  doc_matters,
+) {
+  char[] lev4_subtoc;
+  lev4_subtoc ~= "  <div class=\"nav\">\n";
+  foreach (subtoc; obj.tags.lev4_subtoc) {
+    if (auto m = subtoc.match(rgx.inline_link_subtoc)) {
+      auto indent = (m.captures[1].to!int - 3).to!string; // css assumptions based on use of em for left margin & indent
+      auto text = m.captures[2].to!string;
+      text = font_face(text);
+      auto link = m.captures[3].to!string;
+      lev4_subtoc ~= subtoc.replaceFirst(rgx.inline_link_subtoc,
+        format(q"┃    <p class="minitoc" indent="h%si%s">
+      ۰ <a href="%s">%s</a>
+    </p>
+┃",
+          indent,
+          indent,
+          link,
+          text,
+      ));
+    }
+  }
+  lev4_subtoc ~= "  </div>\n";
+  return lev4_subtoc.to!string;
+}
+#+END_SRC
+
+**** navigation pre next svg
+
+#+name: xhtml_format_objects
+#+BEGIN_SRC d
+auto nav_pre_next_svg(O,M)(
+  const        O  obj,
+               M  doc_matters,
+) {
+  string prev, next, toc;
+  if (obj.tags.segment_anchor_tag_epub == "toc") {
+    toc = "";
+    prev = "";
+  } else {
+    toc = format(q"┃<a href="toc.html" target="_top">
+          <div class="toc-button menu">
+            <svg viewbox="0 0 100 100">
+              <path d="M4,10h24c1.104,0,2-0.896,2-2s-0.896-2-2-2H4C2.896,6,2,6.896,2,8S2.896,10,4,10z M28,14H4c-1.104,0-2,0.896-2,2  s0.896,2,2,2h24c1.104,0,2-0.896,2-2S29.104,14,28,14z M28,22H4c-1.104,0-2,0.896-2,2s0.896,2,2,2h24c1.104,0,2-0.896,2-2  S29.104,22,28,22z"/>
+            </svg>
+          </div>
+        </a>┃",
+    );
+  }
+  if (obj.tags.segname_prev == "") {
+    prev = "";
+  } else {
+    prev = format(q"┃<a href="%s.html" target="_top">
+          <div class="prev-next-button previous">
+            <svg viewbox="0 0 100 100">
+              <path class="arrow" d="M 50,0 L 60,10 L 20,50 L 60,90 L 50,100 L 0,50 Z" transform=" translate(15,0)">
+            </svg>
+          </div>
+        </a>┃",
+      obj.tags.segname_prev,
+    );
+  }
+  if (obj.tags.segname_next == "") {
+    next = "";
+  } else {
+    next = format(q"┃<a href="%s.html" target="_top">
+          <div class="prev-next-button next">
+            <svg viewbox="0 0 100 100">
+              <path class="arrow" d="M 50,0 L 60,10 L 20,50 L 60,90 L 50,100 L 0,50 Z "transform="translate(85,100) rotate(180) ">
+            </svg>
+          </div>
+        </a>┃",
+      obj.tags.segname_next,
+    );
+  }
+  string _toc_pre_next = format(q"┃        <div class="flex-menu-option">
+      <div class="nav-bar">
+        %s
+        %s
+        %s
+      </div>
+    </div>
+  </div>
+</div>┃",
+    toc,
+    prev,
+    next,
+  );
+  string _pre_next = format(q"┃        <div class="flex-menu-option">
+      <div class="nav-bar">
+        %s
+        %s
+      </div>
+    </div>
+  </div>
+</div>┃",
+    prev,
+    next,
+  );
+  struct bar {
+    string toc_pre_next() {
+      return _toc_pre_next;
+    }
+    string pre_next() {
+      return _pre_next;
+    }
+  }
+  return bar();
+}
+#+END_SRC
+
+*** heading
+**** heading
+
+#+name: xhtml_format_objects
+#+BEGIN_SRC d
+string heading(O,M)(
+        string _txt,
+  const O      obj,
+        M      doc_matters,
+  string            _xml_type = "html",
+) {
+  assert(obj.metainfo.is_of_part    == "body" || "frontmatter" || "backmatter");
+  assert(obj.metainfo.is_of_section == "body" || "toc" || "endnotes" || "glossary" || "bibliography" || "bookindex" || "blurb");
+  assert(obj.metainfo.is_of_type    == "para");
+  assert(obj.metainfo.is_a          == "heading");
+  string tags = _xhtml_anchor_tags(obj);
+  string heading_lev_anchor_tag;
+  string _horizontal_rule = "<hr />";
+  if ((_xml_type != "html")
+  || (obj.metainfo.heading_lev_markup == 0 || obj.metainfo.heading_lev_markup > 4)) {
+    _horizontal_rule = "";
+  }
+  _txt = font_face(_txt);
+  string o;
+  heading_lev_anchor_tag = (obj.tags.heading_lev_anchor_tag.empty)
+    ? ""
+    : "<a name=\"" ~ obj.tags.heading_lev_anchor_tag ~ "\"></a>";
+  if (_txt.empty) {
+    o = format(q"┃%s
+  ┃",
+    _horizontal_rule,
+    );
+  } else if (!(obj.metainfo.identifier.empty)) {
+    o = format(q"┃%s
+  <div class="substance">
+    <label class="ocn"><a href="#%s" class="lnkocn">%s</a></label>
+    <h%s class="%s" id="%s"><a name="%s"></a>%s%s
+      %s
+    </h%s>
+  </div>┃",
+      _horizontal_rule,
+      obj.metainfo.identifier,
+      (doc_matters.opt.action.ocn_off) ? "" : ((obj.metainfo.object_number.empty) ? "" : obj.metainfo.identifier),
+      obj.metainfo.heading_lev_markup,
+      obj.metainfo.is_a,
+      obj.metainfo.identifier,
+      obj.metainfo.identifier,
+      tags,
+      heading_lev_anchor_tag,
+      _txt,
+      obj.metainfo.heading_lev_markup,
+    );
+  } else {
+    o = format(q"┃%s
+  <div class="substance">
+    <h%s class="%s">%s%s
+      %s
+    </h%s>
+  </div>┃",
+      _horizontal_rule,
+      obj.metainfo.heading_lev_markup,
+      obj.metainfo.is_a,
+      tags,
+      heading_lev_anchor_tag,
+      _txt,
+      obj.metainfo.heading_lev_markup,
+    );
+  }
+  return o;
+}
+#+END_SRC
+
+**** scroll
+
+#+name: xhtml_format_objects
+#+BEGIN_SRC d
+string heading_scroll(O,M)(
+  string          _txt,
+  const        O  obj,
+               M  doc_matters,
+  string          _suffix = ".html",
+) {
+  _txt = inline_markup_scroll(_txt, obj, doc_matters, _suffix);
+  string o = heading(_txt, obj, doc_matters);
+  return o;
+}
+#+END_SRC
+
+**** seg
+
+#+name: xhtml_format_objects
+#+BEGIN_SRC d
+auto heading_seg(O,M)(
+  string          _txt,
+  const        O  obj,
+               M  doc_matters,
+  string          _suffix = ".html",
+  string          _xml_type = "html",
+) {
+  auto t = inline_markup_seg(_txt, obj, doc_matters, _suffix, _xml_type);
+  _txt = t[0];
+  string[] _endnotes = t[1];
+  string o = heading(_txt, obj, doc_matters, _xml_type);
+  auto u = tuple(
+    o,
+    _endnotes,
+  );
+  return u;
+}
+#+END_SRC
+
+*** para
+**** para
+
+#+name: xhtml_format_objects
+#+BEGIN_SRC d
+string para(O,M)(
+        string _txt,
+  const O      obj,
+        M      doc_matters,
+) {
+  assert(obj.metainfo.is_of_part    == "body" || "frontmatter" || "backmatter");
+  assert(obj.metainfo.is_of_section == "body" || "toc" || "endnotes" || "glossary" || "bibliography" || "bookindex" || "blurb");
+  assert(obj.metainfo.is_of_type    == "para");
+  assert(obj.metainfo.is_a          == "para" || "toc" || "endnotes" || "glossary" || "bibliography" || "bookindex" || "blurb");
+  string tags = _xhtml_anchor_tags(obj);
+  _txt = font_face(_txt);
+  string o;
+  _txt = (obj.attrib.bullet) ? ("●&#160;&#160;" ~ _txt) : _txt;
+  _txt = _txt.replaceFirst(rgx.inline_link_anchor,
+     "<a name=\"$1\"></a>");
+  if (!(obj.metainfo.identifier.empty)) {
+    o = format(q"┃  <div class="substance">
+  <label class="ocn"><a href="#%s" class="lnkocn">%s</a></label>
+  <p class="%s" indent="h%si%s" id="%s">%s
+    %s
+  </p>
+</div>┃",
+      obj.metainfo.identifier,
+      (doc_matters.opt.action.ocn_off) ? "" : ((obj.metainfo.object_number.empty) ? "" : obj.metainfo.identifier),
+      obj.metainfo.is_a,
+      obj.attrib.indent_hang,
+      obj.attrib.indent_base,
+      obj.metainfo.identifier,
+      tags,
+      _txt
+    );
+  } else {
+    o = format(q"┃  <div class="substance">
+  <p class="%s" indent="h%si%s">%s
+    %s
+  </p>
+</div>┃",
+      obj.metainfo.is_a,
+      obj.attrib.indent_hang,
+      obj.attrib.indent_base,
+      tags,
+      _txt
+    );
+  }
+  return o;
+}
+#+END_SRC
+
+**** scroll
+
+#+name: xhtml_format_objects
+#+BEGIN_SRC d
+string para_scroll(O,M)(
+  string          _txt,
+  const        O  obj,
+               M  doc_matters,
+  string          _suffix = ".html",
+) {
+  if (obj.metainfo.is_a == "toc" && _txt.match(rgx.inline_link_toc_to_backmatter)) {
+    _txt = _txt.replaceAll(rgx.inline_link_toc_to_backmatter, "┤#section_$1├");
+  }
+  _txt = inline_markup_scroll(_txt, obj, doc_matters, _suffix);
+  string o = para(_txt, obj, doc_matters);
+  return o;
+}
+#+END_SRC
+
+**** seg
+
+#+name: xhtml_format_objects
+#+BEGIN_SRC d
+auto para_seg(O,M)(
+  string          _txt,
+  const        O  obj,
+               M  doc_matters,
+  string          _suffix = ".html",
+  string          _xml_type = "html",
+) {
+  auto t = inline_markup_seg(_txt, obj, doc_matters, _suffix, _xml_type);
+  _txt = t[0].to!string;
+  string[] _endnotes = t[1];
+  string o = para(_txt, obj, doc_matters);
+  auto u = tuple(
+    o,
+    _endnotes,
+  );
+  return u;
+}
+#+END_SRC
+
+*** quote
+**** quote
+
+#+name: xhtml_format_objects
+#+BEGIN_SRC d
+string quote(O,M)(
+        string _txt,
+  const O      obj,
+        M      doc_matters,
+) {
+  assert(obj.metainfo.is_of_part    == "body");
+  assert(obj.metainfo.is_of_section == "body" || "glossary" || "bibliography" || "bookindex" || "blurb");
+  assert(obj.metainfo.is_of_type    == "block");
+  assert(obj.metainfo.is_a          == "quote");
+  _txt = font_face(_txt);
+  string o;
+  if (!(obj.metainfo.identifier.empty)) {
+    o = format(q"┃  <div class="substance">
+  <label class="ocn"><a href="#%s" class="lnkocn">%s</a></label>
+  <p class="%s" id="%s">
+    %s
+  </p>
+</div>┃",
+      obj.metainfo.identifier,
+      (doc_matters.opt.action.ocn_off) ? "" : ((obj.metainfo.object_number.empty) ? "" : obj.metainfo.identifier),
+      obj.metainfo.is_a,
+      obj.metainfo.identifier,
+      _txt
+    );
+  } else {
+    o = format(q"┃  <div class="substance">
+  <p class="%s">
+    %s
+  </p>
+</div>┃",
+      obj.metainfo.is_a,
+      _txt
+    );
+  }
+  return o;
+}
+#+END_SRC
+
+**** scroll
+
+#+name: xhtml_format_objects
+#+BEGIN_SRC d
+string quote_scroll(O,M)(
+  string          _txt,
+  const        O  obj,
+               M  doc_matters,
+  string          _suffix = ".html",
+) {
+  _txt = inline_markup_scroll(_txt, obj, doc_matters, _suffix);
+  string o = quote(_txt, obj, doc_matters);
+  return o;
+}
+#+END_SRC
+
+**** seg
+
+#+name: xhtml_format_objects
+#+BEGIN_SRC d
+auto quote_seg(O,M)(
+  string          _txt,
+  const        O  obj,
+               M  doc_matters,
+  string          _suffix = ".html",
+  string          _xml_type = "html",
+) {
+  auto t = inline_markup_seg(_txt, obj, doc_matters, _suffix, _xml_type);
+  _txt = t[0].to!string;
+  string[] _endnotes = t[1];
+  string o = quote(_txt, obj, doc_matters);
+  auto u = tuple(
+    o,
+    _endnotes,
+  );
+  return u;
+}
+#+END_SRC
+
+*** group
+**** group
+
+#+name: xhtml_format_objects
+#+BEGIN_SRC d
+string group(O,M)(
+        string _txt,
+  const O      obj,
+        M      doc_matters,
+) {
+  assert(obj.metainfo.is_of_part    == "body");
+  assert(obj.metainfo.is_of_section == "body" || "glossary" || "bibliography" || "bookindex" || "blurb");
+  assert(obj.metainfo.is_of_type    == "block");
+  assert(obj.metainfo.is_a          == "group");
+  _txt = font_face(_txt);
+  string o;
+  if (!(obj.metainfo.identifier.empty)) {
+    o = format(q"┃  <div class="substance">
+  <label class="ocn"><a href="#%s" class="lnkocn">%s</a></label>
+  <p class="%s" id="%s">
+    %s
+  </p>
+</div>┃",
+      obj.metainfo.identifier,
+      (doc_matters.opt.action.ocn_off) ? "" : ((obj.metainfo.object_number.empty) ? "" : obj.metainfo.identifier),
+      obj.metainfo.is_a,
+      obj.metainfo.identifier,
+      _txt
+    );
+  } else {
+    o = format(q"┃  <div class="substance">
+  <p class="%s">
+    %s
+  </p>
+</div>┃",
+      obj.metainfo.is_a,
+      _txt
+    );
+  }
+  return o;
+}
+#+END_SRC
+
+**** scroll
+
+#+name: xhtml_format_objects
+#+BEGIN_SRC d
+string group_scroll(O,M)(
+  string          _txt,
+  const        O  obj,
+               M  doc_matters,
+  string          _suffix = ".html",
+  string          _xml_type = "html",
+) {
+  _txt = inline_markup_scroll(_txt, obj, doc_matters, _suffix);
+  string o = group(_txt, obj, doc_matters);
+  return o;
+}
+#+END_SRC
+
+**** seg
+
+#+name: xhtml_format_objects
+#+BEGIN_SRC d
+auto group_seg(O,M)(
+  string          _txt,
+  const        O  obj,
+               M  doc_matters,
+  string          _suffix = ".html",
+  string          _xml_type = "html",
+) {
+  auto t = inline_markup_seg(_txt, obj, doc_matters, _suffix, _xml_type);
+  _txt = t[0].to!string;
+  string[] _endnotes = t[1];
+  string o = group(_txt, obj, doc_matters);
+  auto u = tuple(
+    o,
+    _endnotes,
+  );
+  return u;
+}
+#+END_SRC
+
+*** block
+**** block
+
+#+name: xhtml_format_objects
+#+BEGIN_SRC d
+string block(O,M)(
+        string _txt,
+  const O      obj,
+        M      doc_matters,
+) {
+  assert(obj.metainfo.is_of_part    == "body");
+  assert(obj.metainfo.is_of_section == "body" || "glossary" || "bibliography" || "bookindex" || "blurb");
+  assert(obj.metainfo.is_of_type    == "block");
+  assert(obj.metainfo.is_a          == "block");
+  _txt = font_face(_txt);
+  string o;
+  if (!(obj.metainfo.identifier.empty)) {
+    o = format(q"┃  <div class="substance">
+  <label class="ocn"><a href="#%s" class="lnkocn">%s</a></label>
+  <p class="%s" id="%s">%s</p>
+</div>┃",
+      obj.metainfo.identifier,
+      (doc_matters.opt.action.ocn_off) ? "" : ((obj.metainfo.object_number.empty) ? "" : obj.metainfo.identifier),
+      obj.metainfo.is_a,
+      obj.metainfo.identifier,
+      _txt.stripRight
+    );
+  } else {
+    o = format(q"┃  <div class="substance">
+  <p class="%s">%s</p>
+</div>┃",
+      obj.metainfo.is_a,
+      _txt.stripRight
+    );
+  }
+  return o;
+}
+#+END_SRC
+
+**** scroll
+
+#+name: xhtml_format_objects
+#+BEGIN_SRC d
+string block_scroll(O,M)(
+  string          _txt,
+  const        O  obj,
+               M  doc_matters,
+  string          _suffix = ".html",
+  string          _xml_type = "html",
+) {
+  _txt = inline_markup_scroll(_txt, obj, doc_matters, _suffix);
+  string o = block(_txt, obj, doc_matters);
+  return o;
+}
+#+END_SRC
+
+**** seg
+
+#+name: xhtml_format_objects
+#+BEGIN_SRC d
+auto block_seg(O,M)(
+  string          _txt,
+  const        O  obj,
+               M  doc_matters,
+  string          _suffix = ".html",
+  string          _xml_type = "html",
+) {
+  auto t = inline_markup_seg(_txt, obj, doc_matters, _suffix, _xml_type);
+  _txt = t[0].to!string;
+  string[] _endnotes = t[1];
+  string o = block(_txt, obj, doc_matters);
+  auto u = tuple(
+    o,
+    _endnotes,
+  );
+  return u;
+}
+#+END_SRC
+
+*** poem verse
+**** verse
+
+#+name: xhtml_format_objects
+#+BEGIN_SRC d
+string verse(O,M)(
+        string _txt,
+  const O      obj,
+        M      doc_matters,
+) {
+  assert(obj.metainfo.is_of_part    == "body");
+  assert(obj.metainfo.is_of_section == "body" || "glossary" || "bibliography" || "bookindex" || "blurb");
+  assert(obj.metainfo.is_of_type    == "block");
+  assert(obj.metainfo.is_a          == "verse");
+  _txt = font_face(_txt);
+  string o;
+  if (!(obj.metainfo.identifier.empty)) {
+    o = format(q"┃  <div class="substance">
+      <label class="ocn"><a href="#%s" class="lnkocn">%s</a></label>
+      <p class="%s" id="%s">%s</p>
+    </div>┃",
+      obj.metainfo.identifier,
+      (doc_matters.opt.action.ocn_off) ? "" : ((obj.metainfo.object_number.empty) ? "" : obj.metainfo.identifier),
+      obj.metainfo.is_a,
+      obj.metainfo.identifier,
+      _txt
+    );
+  } else {
+    o = format(q"┃  <div class="substance">
+      <p class="%s">%s</p>
+    </div>┃",
+      obj.metainfo.is_a,
+      _txt
+    );
+  }
+  return o;
+}
+#+END_SRC
+
+**** scroll
+
+#+name: xhtml_format_objects
+#+BEGIN_SRC d
+string verse_scroll(O,M)(
+  string          _txt,
+  const        O  obj,
+               M  doc_matters,
+  string          _suffix = ".html",
+  string          _xml_type = "html",
+) {
+  _txt = inline_markup_scroll(_txt, obj, doc_matters, _suffix);
+  string o = verse(_txt, obj, doc_matters);
+  return o;
+}
+#+END_SRC
+
+**** seg
+
+#+name: xhtml_format_objects
+#+BEGIN_SRC d
+auto verse_seg(O,M)(
+  string          _txt,
+  const        O  obj,
+               M  doc_matters,
+  string          _suffix = ".html",
+  string          _xml_type = "html",
+) {
+  auto t = inline_markup_seg(_txt, obj, doc_matters, _suffix, _xml_type);
+  _txt = t[0].to!string;
+  string[] _endnotes = t[1];
+  string o = verse(_txt, obj, doc_matters);
+  auto u = tuple(
+    o,
+    _endnotes,
+  );
+  return u;
+}
+#+END_SRC
+
+*** code
+
+#+name: xhtml_format_objects_code
+#+BEGIN_SRC d
+string code(O,M)(
+        string _txt,
+  const O      obj,
+        M      doc_matters,
+) {
+  assert(obj.metainfo.is_of_part    == "body");
+  assert(obj.metainfo.is_of_section == "body");
+  assert(obj.metainfo.is_of_type    == "block");
+  assert(obj.metainfo.is_a          == "code");
+  string o;
+  string codelines(string _txt) {
+    string _codelines;
+    if (obj.code_block.linenumbers) {
+      string[] _block_lines = (_txt).split(rgx.br_newlines_linebreaks);
+      _codelines = "  <pre class=\"codeline\">\n";
+      foreach (k, _line; _block_lines) {
+        if (k == 1) {
+          _codelines ~= format(q"┃    <span class="tr first-row"><span class="th"></span><codeline>%s</codeline></span>
+┃",
+            _line,
+          );
+        } else {
+          _codelines ~= format(q"┃    <span class="tr"><span class="th"></span><codeline>%s</codeline></span>
+┃",
+            _line,
+          );
+        }
+      }
+      _codelines ~= "  </pre>";
+    } else {
+      _codelines = "  <pre class=\"codeline\">\n";
+      _codelines ~= _txt;
+      _codelines ~= "  </pre>";
+    }
+    return _codelines;
+  }
+  if (!(obj.metainfo.identifier.empty)) {
+    o = format(q"┃  <div class="substance">
+  <label class="ocn"><a href="#%s" class="lnkocn">%s</a></label>
+  <p class="%s" id="%s">%s</p>
+</div>┃",
+      obj.metainfo.identifier,
+      (doc_matters.opt.action.ocn_off) ? "" : ((obj.metainfo.object_number.empty) ? "" : obj.metainfo.identifier),
+      obj.metainfo.is_a,
+      obj.metainfo.identifier,
+      codelines(_txt)
+    );
+  } else {
+    o = format(q"┃  <div class="substance">
+  <p class="%s">%s</p>
+</div>┃",
+      obj.metainfo.is_a,
+      codelines(_txt)
+    );
+  }
+  return o;
+}
+#+END_SRC
+
+*** table
+**** TODO tablarize
+
+align="left|right|center"
+<td align="right">$100</td>
+
+"style=\"text-align:right\""
+"style=\"text-align:left\""
+
+"style=\"text-align:"  ~ "right\""
+
+#+name: xhtml_format_objects
+#+BEGIN_SRC d
+auto tablarize(O)(
+  string            _txt,
+  const        O    obj,
+) {
+  string[] _table_rows = (_txt).split(rgx.table_delimiter_row);
+  string[] _table_cols;
+  string _table;
+  string _tablenote;
+  foreach(row_idx, row; _table_rows) {
+    _table_cols = row.split(rgx.table_delimiter_col);
+      _table ~= "<tr>";
+      foreach(col_idx, cell; _table_cols) {
+        if ((_table_cols.length == 1)
+        && (_table_rows.length <= row_idx+2)) {
+          _tablenote ~= cell;
+        } else {
+          string _col_is = (row_idx == 0 && obj.table.heading) ? "th" : "td";
+          string _align = ("style=\"text-align:"
+          ~ ((obj.table.column_aligns[col_idx] == "l")
+          ? "left\"" : "right\""));
+          _table ~= "<" ~ _col_is ~ " width=\"" ~ obj.table.column_widths[col_idx].to!string ~ "%\" " ~ _align ~ ">";
+          _table ~= cell;
+          _table ~= "</" ~ _col_is ~ ">";
+        }
+      }
+      _table ~= "</tr>";
+    }
+  auto t = tuple(
+    _table,
+    _tablenote,
+  );
+  return t;
+}
+#+END_SRC
+
+**** table
+
+#+name: xhtml_format_objects
+#+BEGIN_SRC d
+string table(O,M)(
+        string _txt,
+  const O      obj,
+        M      doc_matters,
+) {
+  assert(obj.metainfo.is_of_part    == "body");
+  assert(obj.metainfo.is_of_section == "body");
+  assert(obj.metainfo.is_of_type    == "block");
+  assert(obj.metainfo.is_a          == "table");
+  string tags = _xhtml_anchor_tags(obj);
+  _txt = font_face(_txt);
+  auto t = tablarize(_txt, obj);
+  _txt = t[0];
+  string _note = t[1];
+  string o;
+  o = format(q"┃  <div class="substance">
+  <label class="ocn"><a href="#%s" class="lnkocn">%s</a></label>
+  <p class="%s" id="%s">%s
+    <table summary="normal text css" width="95%%" border="0" bgcolor="white" cellpadding="2" align="center">
+      %s
+    </table>
+    %s
+  </p>
+</div>┃",
+    obj.metainfo.object_number,
+    (doc_matters.opt.action.ocn_off) ? "" : ((obj.metainfo.object_number.empty) ? "" : obj.metainfo.identifier),
+    obj.metainfo.is_a,
+    obj.metainfo.object_number,
+    tags,
+    _txt,
+    _note
+  );
+  return o;
+}
+#+END_SRC
+
+* _html_ [#A]                                                            :html:
+** _module template_                                                  :module:
+
+#+BEGIN_SRC d :tangle "../src/doc_reform/output/html.d"
+module doc_reform.output.html;
+template outputHTML() {
+  <<output_imports>>
+  mixin outputXHTMLs;
+  <<output_html_scroll>>
+  <<output_html_seg>>
+  <<output_html_css>>
+  <<copy_html_images>>
+}
+#+END_SRC
+
+** scroll                                                           :scroll:
+*** ↻ loop & switch (sections & objects) format html output
+
+#+name: output_html_scroll
+#+BEGIN_SRC d
+void scroll(D,M)(
+  const        D    doc_abstraction,
+               M    doc_matters,
+) {
+  mixin DocReformOutputRgxInit;
+  auto xhtml_format = outputXHTMLs();
+  auto rgx = Rgx();
+  string[] doc_html;
+  string[] doc;
+  string suffix = ".html";
+  string previous_part = "";
+  string delimit = "";
+#+END_SRC
+
+**** ↻ the loops & outer switch (sections & objects) format output
+
+#+name: output_html_scroll
+#+BEGIN_SRC d
+  foreach (part; doc_matters.has.keys_seq.scroll) {
+    foreach (obj; doc_abstraction[part]) {
+      delimit = xhtml_format.div_delimit(part, previous_part);
+      string _txt = xhtml_format.special_characters(obj);
+      switch (obj.metainfo.is_of_part) {
+#+END_SRC
+
+***** frontmatter
+
+#+name: output_html_scroll
+#+BEGIN_SRC d
+      case "frontmatter":              assert(part == "head" || "toc");
+        switch (obj.metainfo.is_of_type) {
+        case "para":
+          switch (obj.metainfo.is_a) {
+          case "heading":
+            doc_html ~= delimit ~ xhtml_format.heading_scroll(_txt, obj, doc_matters, suffix);
+            break;
+          case "toc":
+            doc_html ~= xhtml_format.para_scroll(_txt, obj, doc_matters, suffix);
+            break;
+          default:
+            { /+ debug +/
+              if (doc_matters.opt.action.debug_do
+              && doc_matters.opt.action.verbose) {
+                writeln(__FILE__, ":", __LINE__, ": ", obj.metainfo.is_a);
+              }
+            }
+            break;
+          }
+          break;
+        default:
+          { /+ debug +/
+            if (doc_matters.opt.action.debug_do
+            && doc_matters.opt.action.verbose) {
+              writeln(__FILE__, ":", __LINE__, ": ", obj.metainfo.is_of_type);
+            }
+          }
+          break;
+        }
+        break;
+#+END_SRC
+
+***** body
+
+#+name: output_html_scroll
+#+BEGIN_SRC d
+      case "body":                     assert(part == "body" || "head");
+        switch (obj.metainfo.is_of_type) {
+        case "para":
+          switch (obj.metainfo.is_a) {
+          case "heading":
+            doc_html ~= delimit ~ xhtml_format.heading_scroll(_txt, obj, doc_matters, suffix);
+            break;
+          case "para":
+            doc_html ~= xhtml_format.para_scroll(_txt, obj, doc_matters, suffix);
+            break;
+          default:
+            { /+ debug +/
+              if (doc_matters.opt.action.debug_do
+              && doc_matters.opt.action.verbose) {
+                writeln(__FILE__, ":", __LINE__, ": ", obj.metainfo.is_a);
+              }
+            }
+            break;
+          }
+          break;
+        case "block":
+          switch (obj.metainfo.is_a) {
+          case "quote":
+            doc_html ~= xhtml_format.quote_scroll(_txt, obj, doc_matters);
+            break;
+          case "group":
+            doc_html ~= xhtml_format.group_scroll(_txt, obj, doc_matters);
+            break;
+          case "block":
+            doc_html ~= xhtml_format.block_scroll(_txt, obj, doc_matters);
+            break;
+          case "poem":
+            break;
+          case "verse":
+            doc_html ~= xhtml_format.verse_scroll(_txt, obj, doc_matters, suffix);
+            break;
+          case "code":
+            doc_html ~= xhtml_format.code(_txt, obj, doc_matters);
+            break;
+          case "table":
+            doc_html ~= xhtml_format.table(_txt, obj, doc_matters);
+            break;
+          default:
+            { /+ debug +/
+              if (doc_matters.opt.action.debug_do
+              && doc_matters.opt.action.verbose) {
+                writeln(__FILE__, ":", __LINE__, ": ", obj.metainfo.is_a);
+              }
+            }
+            break;
+          }
+          break;
+        default:
+          { /+ debug +/
+            if (doc_matters.opt.action.debug_do
+            && doc_matters.opt.action.verbose) {
+              writeln(__FILE__, ":", __LINE__, ": ", obj.metainfo.is_of_type);
+            }
+          }
+          break;
+        }
+        break;
+#+END_SRC
+
+***** backmatter
+
+#+name: output_html_scroll
+#+BEGIN_SRC d
+      case "backmatter":
+        assert(part == "endnotes" || "glossary" || "bibliography" || "bookindex" || "blurb" || "tail");
+        switch (obj.metainfo.is_of_type) {
+        case "para":
+          switch (obj.metainfo.is_a) {
+          case "heading":
+            doc_html ~= delimit ~ xhtml_format.heading_scroll(_txt, obj, doc_matters, suffix);
+            break;
+          case "endnote":              assert(part == "endnotes");
+            doc_html ~= xhtml_format.para_scroll(_txt, obj, doc_matters, suffix);
+            break;
+          case "glossary":             assert(part == "glossary");
+            doc_html ~= xhtml_format.para_scroll(_txt, obj, doc_matters, suffix);
+            break;
+          case "bibliography":         assert(part == "bibliography");
+            doc_html ~= xhtml_format.para_scroll(_txt, obj, doc_matters, suffix);
+            break;
+          case "bookindex":            assert(part == "bookindex");
+            doc_html ~= xhtml_format.para_scroll(_txt, obj, doc_matters, suffix);
+            break;
+          case "blurb":                assert(part == "blurb");
+            doc_html ~= xhtml_format.para_scroll(_txt, obj, doc_matters, suffix);
+            break;
+          default:
+            { /+ debug +/
+              if (doc_matters.opt.action.debug_do
+              && doc_matters.opt.action.verbose) {
+                writeln(__FILE__, ":", __LINE__, ": ", obj.metainfo.is_a);
+              }
+            }
+            break;
+          }
+          break;
+        default:
+          { /+ debug +/
+            if (doc_matters.opt.action.debug_do
+            && doc_matters.opt.action.verbose) {
+              writeln(__FILE__, ":", __LINE__, ": ", obj.metainfo.is_of_type);
+            }
+          }
+          break;
+        }
+        break;
+      case "comment":
+        break;
+      default:
+        { /+ debug +/
+          if (doc_matters.opt.action.debug_do
+          && doc_matters.opt.action.verbose) {
+            writeln(__FILE__, ":", __LINE__, ": ", obj.metainfo.is_of_part);
+            writeln(__FILE__, ":", __LINE__, ": ", obj.metainfo.is_a);
+            writeln(__FILE__, ":", __LINE__, ": ", obj.text);
+          }
+        }
+        break;
+#+END_SRC
+
+***** closings & post loop
+
+#+name: output_html_scroll
+#+BEGIN_SRC d
+      }
+    }
+  }
+  doc = xhtml_format.html_head(doc_matters, "scroll") ~ doc_html ~ xhtml_format.tail;
+  scroll_write_output(doc, doc_matters);
+}
+#+END_SRC
+
+*** write output file
+
+#+name: output_html_scroll
+#+BEGIN_SRC d
+void scroll_write_output(D,M)(
+  D doc,
+  M doc_matters,
+) {
+  debug(asserts) {
+    static assert(is(typeof(doc)    == string[]));
+  }
+  auto pth_html = DocReformPathsHTML!()(doc_matters.output_path, doc_matters.src.language);
+  try {
+    if (!exists(pth_html.base)) {
+      pth_html.base.mkdirRecurse;
+    }
+    auto f = File(pth_html.fn_scroll(doc_matters.src.filename), "w");
+    foreach (o; doc) {
+      f.writeln(o);
+    }
+  } catch (ErrnoException ex) {
+    // Handle error
+  }
+  if (!(doc_matters.opt.action.quiet)) {
+    writeln(" ", pth_html.fn_scroll(doc_matters.src.filename));
+  }
+}
+#+END_SRC
+
+** seg                                                                 :seg:
+*** ↻ loop & switch (sections & objects) format html output
+
+#+name: output_html_seg
+#+BEGIN_SRC d
+void seg(D,M)(
+  const D    doc_abstraction,
+        M    doc_matters,
+) {
+  mixin DocReformOutputRgxInit;
+  auto rgx = Rgx();
+  auto xhtml_format = outputXHTMLs();
+  string[][string] doc_html;
+  string[][string] doc_html_endnotes;
+  string[] doc;
+  string segment_filename;
+  string[] top_level_headings = ["","","",""];
+  string previous_seg_filename = "";
+  string suffix = ".html";
+  string previous_part = "";
+  string delimit = "";
+#+END_SRC
+
+**** ↻ the loop (sections & objects) format output
+
+#+name: output_html_seg
+#+BEGIN_SRC d
+  foreach (part; doc_matters.has.keys_seq.seg) {
+    foreach (obj; doc_abstraction[part]) {
+      delimit = xhtml_format.div_delimit(part, previous_part);
+      string _txt = xhtml_format.special_characters(obj);
+#+END_SRC
+
+***** all headings
+
+#+name: output_html_seg
+#+BEGIN_SRC d
+      if (obj.metainfo.is_a == "heading") {
+        assert(part == "head" || "toc" || "body" || "endnotes" || "glossary" || "bibliography" || "bookindex" || "blurb" || "tail");
+        switch (obj.metainfo.heading_lev_markup) {
+        case 0: .. case 3:
+          /+ fill buffer, and replace with new levels from 1 to 3 +/
+          switch (obj.metainfo.heading_lev_markup) {
+          case 0:
+            top_level_headings[0] = "";
+            top_level_headings[1] = "";
+            top_level_headings[2] = "";
+            top_level_headings[3] = "";
+            goto default;
+          case 1:
+            top_level_headings[1] = "";
+            top_level_headings[2] = "";
+            top_level_headings[3] = "";
+            goto default;
+          case 2:
+            top_level_headings[2] = "";
+            top_level_headings[3] = "";
+            goto default;
+          case 3:
+            top_level_headings[3] = "";
+            goto default;
+          default:
+            auto t = xhtml_format.heading_seg(_txt, obj, doc_matters, suffix, "seg");
+            top_level_headings[obj.metainfo.heading_lev_markup] = t[0];
+            break;
+          }
+          break;
+        case 4:
+          segment_filename = obj.tags.segment_anchor_tag_epub;
+          doc_html[segment_filename] ~= xhtml_format.html_head(doc_matters, "seg");
+          auto navigation_bar = xhtml_format.nav_pre_next_svg(obj, doc_matters);
+          doc_html[segment_filename] ~= navigation_bar.toc_pre_next;
+          previous_seg_filename = segment_filename;
+          foreach (top_level_heading; top_level_headings) {
+            doc_html[segment_filename] ~= top_level_heading;
+          }
+          auto t = xhtml_format.heading_seg(_txt, obj, doc_matters, suffix, "seg");
+          doc_html[segment_filename] ~= t[0].to!string;
+          doc_html[segment_filename] ~= xhtml_format.lev4_heading_subtoc(obj, doc_matters);
+          doc_html_endnotes[segment_filename] ~= t[1];
+          break;
+        case 5: .. case 7:
+          auto t = xhtml_format.heading_seg(_txt, obj, doc_matters, suffix, "seg");
+          doc_html[segment_filename] ~= t[0].to!string;
+          doc_html_endnotes[segment_filename] ~= t[1];
+          break;
+        case 8: .. case 9:
+          { /+ debug +/
+            if (doc_matters.opt.action.debug_do
+            && doc_matters.opt.action.verbose) {
+              writeln(__FILE__, ":", __LINE__, ": ", obj.metainfo.is_a, ": ", obj.metainfo.heading_lev_markup);
+              writeln(__FILE__, ":", __LINE__, ": ", obj.text);
+            }
+          }
+          break;
+        default:
+          { /+ debug +/
+            if (doc_matters.opt.action.debug_do
+            && doc_matters.opt.action.verbose) {
+              writeln(__FILE__, ":", __LINE__, ": ", obj.metainfo.is_a, ": ", obj.metainfo.heading_lev_markup);
+            }
+          }
+          break;
+        }
+#+END_SRC
+
+***** non-heading
+
+#+name: output_html_seg
+#+BEGIN_SRC d
+      } else {
+        assert(part == "head" || "toc" || "body" || "endnotes" || "glossary" || "bibliography" || "bookindex" || "blurb" || "tail");
+        switch (obj.metainfo.is_of_part) {
+#+END_SRC
+
+****** frontmatter
+
+#+name: output_html_seg
+#+BEGIN_SRC d
+        case "frontmatter":             assert(part == "head" || "toc");
+          switch (obj.metainfo.is_of_type) {
+          case "para":
+            switch (obj.metainfo.is_a) {
+            case "toc":
+              auto t = xhtml_format.para_seg(_txt, obj, doc_matters, suffix, "seg");
+              doc_html[segment_filename] ~= t[0].to!string;
+              break;
+            default:
+              { /+ debug +/
+                if (doc_matters.opt.action.debug_do
+                && doc_matters.opt.action.verbose) {
+                  writeln(__FILE__, ":", __LINE__, ": ", obj.metainfo.is_a);
+                }
+              }
+              break;
+            }
+            break;
+          default:
+            { /+ debug +/
+              if (doc_matters.opt.action.debug_do
+              && doc_matters.opt.action.verbose) {
+                writeln(__FILE__, ":", __LINE__, ": ", obj.metainfo.is_a);
+              }
+            }
+            break;
+          }
+          break;
+#+END_SRC
+
+****** body
+
+#+name: output_html_seg
+#+BEGIN_SRC d
+        case "body":                    assert(part == "body");
+          switch (obj.metainfo.is_of_type) {
+          case "para":
+            switch (obj.metainfo.is_a) {
+            case "para":
+              auto t = xhtml_format.para_seg(_txt, obj, doc_matters, suffix, "seg");
+              doc_html[segment_filename] ~= t[0].to!string;
+              doc_html_endnotes[segment_filename] ~= t[1];
+              break;
+            default:
+              { /+ debug +/
+                if (doc_matters.opt.action.debug_do
+                && doc_matters.opt.action.verbose) {
+                  writeln(__FILE__, ":", __LINE__, ": ", obj.metainfo.is_a);
+                }
+              }
+              break;
+            }
+            break;
+          case "block":
+            switch (obj.metainfo.is_a) {
+            case "quote":
+              auto t = xhtml_format.quote_seg(_txt, obj, doc_matters, suffix, "seg");
+              doc_html[segment_filename] ~= t[0].to!string;
+              doc_html_endnotes[segment_filename] ~= t[1];
+              break;
+            case "group":
+              auto t = xhtml_format.group_seg(_txt, obj, doc_matters, suffix, "seg");
+              doc_html[segment_filename] ~= t[0].to!string;
+              doc_html_endnotes[segment_filename] ~= t[1];
+              break;
+            case "block":
+              auto t = xhtml_format.block_seg(_txt, obj, doc_matters, suffix, "seg");
+              doc_html[segment_filename] ~= t[0].to!string;
+              doc_html_endnotes[segment_filename] ~= t[1];
+              break;
+            case "poem":
+              break;
+            case "verse":
+              auto t = xhtml_format.verse_seg(_txt, obj, doc_matters, suffix, "seg");
+              doc_html[segment_filename] ~= t[0].to!string;
+              doc_html_endnotes[segment_filename] ~= t[1];
+              break;
+            case "code":
+              doc_html[segment_filename] ~= xhtml_format.code(_txt, obj, doc_matters);
+              break;
+            case "table":
+              doc_html[segment_filename] ~= xhtml_format.table(_txt, obj, doc_matters);
+              doc_html_endnotes[segment_filename] ~= "";
+              break;
+            default:
+              { /+ debug +/
+                if (doc_matters.opt.action.debug_do
+                && doc_matters.opt.action.verbose) {
+                  writeln(__FILE__, ":", __LINE__, ": ", obj.metainfo.is_a);
+                }
+              }
+              break;
+            }
+            break;
+          default:
+            { /+ debug +/
+              if (doc_matters.opt.action.debug_do
+              && doc_matters.opt.action.verbose) {
+                writeln(__FILE__, ":", __LINE__, ": ", obj.metainfo.is_of_type);
+              }
+            }
+            break;
+          }
+          break;
+#+END_SRC
+
+****** backmatter
+
+#+name: output_html_seg
+#+BEGIN_SRC d
+        case "backmatter":
+          assert(part == "endnotes" || "glossary" || "bibliography" || "bookindex" || "blurb" || "tail");
+          switch (obj.metainfo.is_of_type) {
+          case "para":
+            switch (obj.metainfo.is_a) {
+            case "endnote":             assert(part == "endnotes");
+              auto t = xhtml_format.para_seg(_txt, obj, doc_matters, suffix, "seg");
+              doc_html[segment_filename] ~= t[0];
+              break;
+            case "glossary":            assert(part == "glossary");
+              auto t = xhtml_format.para_seg(_txt, obj, doc_matters, suffix, "seg");
+              doc_html[segment_filename] ~= t[0];
+              doc_html_endnotes[segment_filename] ~= t[1];
+              break;
+            case "bibliography":        assert(part == "bibliography");
+              auto t = xhtml_format.para_seg(_txt, obj, doc_matters, suffix, "seg");
+              doc_html[segment_filename] ~= t[0];
+              doc_html_endnotes[segment_filename] ~= t[1];
+              break;
+            case "bookindex":           assert(part == "bookindex");
+              auto t = xhtml_format.para_seg(_txt, obj, doc_matters, suffix, "seg");
+              doc_html[segment_filename] ~= t[0];
+              doc_html_endnotes[segment_filename] ~= t[1];
+              break;
+            case "blurb":               assert(part == "blurb");
+              auto t = xhtml_format.para_seg(_txt, obj, doc_matters, suffix, "seg");
+              doc_html[segment_filename] ~= t[0];
+              doc_html_endnotes[segment_filename] ~= t[1];
+              break;
+            default:
+              { /+ debug +/
+                if (doc_matters.opt.action.debug_do
+                && doc_matters.opt.action.verbose) {
+                  writeln(__FILE__, ":", __LINE__, ": ", obj.metainfo.is_a);
+                }
+              }
+              break;
+            }
+            break;
+          default:
+            { /+ debug +/
+              if (doc_matters.opt.action.debug_do
+              && doc_matters.opt.action.verbose) {
+                writeln(__FILE__, ":", __LINE__, ": ", obj.metainfo.is_of_type);
+              }
+            }
+            break;
+          }
+          break;
+        case "comment":
+          break;
+        default:
+          { /+ debug +/
+            if (doc_matters.opt.action.debug_do
+            && doc_matters.opt.action.verbose) {
+              writeln(__FILE__, ":", __LINE__, ": ", obj.metainfo.is_of_part);
+            }
+          }
+          break;
+        }
+#+END_SRC
+
+***** closings & post loop
+
+#+name: output_html_seg
+#+BEGIN_SRC d
+      }
+    }
+  }
+  seg_write_output(doc_html, doc_html_endnotes, doc_matters);
+}
+#+END_SRC
+
+*** write output files
+
+#+name: output_html_seg
+#+BEGIN_SRC d
+void seg_write_output(D,E,M)(
+  D doc_html,
+  E doc_html_endnotes,
+  M doc_matters,
+) {
+  debug(asserts) {
+    static assert(is(typeof(doc_html)      == string[][string]));
+  }
+  mixin DocReformOutputRgxInit;
+  auto rgx = Rgx();
+  auto pth_html = DocReformPathsHTML!()(doc_matters.output_path, doc_matters.src.language);
+  auto xhtml_format = outputXHTMLs();
+  auto m = doc_matters.src.filename.matchFirst(rgx.src_fn);
+  try {
+    if (!exists(pth_html.seg(doc_matters.src.filename))) {
+      pth_html.seg(doc_matters.src.filename).mkdirRecurse;
+    }
+    foreach (seg_filename; doc_matters.has.segnames_lv4) {
+      auto f = File(pth_html.fn_seg(doc_matters.src.filename, seg_filename), "w");
+      foreach (docseg; doc_html[seg_filename]) {
+        f.writeln(docseg);
+      }
+      foreach (docseg; doc_html_endnotes[seg_filename]) {
+        f.writeln(docseg);
+      }
+      f.writeln(xhtml_format.tail);
+    }
+  } catch (ErrnoException ex) {
+    // handle error
+  }
+  if (!(doc_matters.opt.action.quiet)) {
+    writeln(" ", pth_html.fn_seg(doc_matters.src.filename, "toc"));
+  }
+}
+#+END_SRC
+
+** css                                                                 :css:
+
+#+name: output_html_css
+#+BEGIN_SRC d
+void css(M)(M doc_matters) {
+  auto css = DocReformCss(doc_matters);
+  auto pth_html = DocReformPathsHTML!()(doc_matters.output_path, doc_matters.src.language);
+  try {
+    if (!exists(pth_html.css)) {
+      (pth_html.css).mkdirRecurse;
+    }
+    auto f = File(pth_html.fn_seg_css, "w");
+    f.writeln(css.html_seg);
+    f = File(pth_html.fn_scroll_css, "w");
+    f.writeln(css.html_scroll);
+  } catch (ErrnoException ex) {
+    // Handle error
+  }
+}
+#+END_SRC
+
+** images                                                           :images:
+
+#+name: copy_html_images
+#+BEGIN_SRC d
+void images_cp(M)(
+  M    doc_matters,
+) {
+  { /+ (copy html images) +/
+
+    auto pth_html = DocReformPathsHTML!()(doc_matters.output_path, doc_matters.src.language);
+    if (!exists(pth_html.image)) {
+      pth_html.image.mkdirRecurse;
+    }
+    foreach (image; doc_matters.srcs.image_list) {
+      auto fn_src_in = doc_matters.src.image_dir_path ~ "/" ~ image;
+      auto fn_src_out = pth_html.image ~ "/" ~ image;
+      debug(images_html) {
+        writeln(fn_src_in, " -> ", fn_src_out);
+      }
+      if (exists(fn_src_in)) {
+        fn_src_in.copy(fn_src_out);
+      } else {
+        if (!(doc_matters.opt.action.quiet)) {
+          writeln("WARNING image not found: ", fn_src_in);
+        }
+      }
+    }
+  }
+}
+#+END_SRC
+
+* _epub_ [#B]                                                            :epub:
+
+|-----------------------+--------------------------+---------------------------+----------------------------------|
+| function              | filename                 | module                    | variable                         |
+|-----------------------+--------------------------+---------------------------+----------------------------------|
+| identify doc filetype | mimetype                 | epub3_mimetypes           | mimetypes                        |
+|-----------------------+--------------------------+---------------------------+----------------------------------|
+| identify doc root     | META-INF/container.xml   | epub3_container_xml       | meta_inf_container_xml           |
+|-----------------------+--------------------------+---------------------------+----------------------------------|
+| doc manifest          | OEBPS/content.opf        | epub3_oebps_content       | oebps_content_opf                |
+|-----------------------+--------------------------+---------------------------+----------------------------------|
+| doc navigation        | OEBPS/toc_nav.xhtml      | epub3_oebps_toc_nav_xhtml | oebps_toc_nav_xhtml              |
+|                       | OEBPS/toc.ncx            | epub2_oebps_toc_ncx       | oebps_toc_ncx                    |
+|-----------------------+--------------------------+---------------------------+----------------------------------|
+| doc contents          | OEBPS/[files ... ].xhtml | outputEPub3               | doc_epub3[seg_filename]          |
+|                       |                          |                           | doc_epub3_endnotes[seg_filename] |
+|-----------------------+--------------------------+---------------------------+----------------------------------|
+
+** _module template_                                                  :module:
+
+#+BEGIN_SRC d :tangle "../src/doc_reform/output/epub3.d"
+module doc_reform.output.epub3;
+template outputEPub3() {
+  <<output_imports>>
+  mixin InternalMarkup;
+  mixin outputXHTMLs;
+  <<output_epub3_fixed>>
+  <<output_epub3_constructs>>
+  <<output_epub3_xhtml>>
+  <<output_epub3_xhtml_seg>>
+  <<output_epub3_css>>
+}
+#+END_SRC
+
+** special (epub) files                                             :format:
+*** static
+**** _identify doc filetype_ (mimetype) [static]
+
+- mimetype file indicating that zip file contains an EPUB
+
+#+name: output_epub3_fixed
+#+BEGIN_SRC d
+string epub3_mimetypes() {
+  string o;
+  o = format(q"┃application/epub+zip┃") ~ "\n";
+  return o;
+}
+#+END_SRC
+
+**** _identify doc root_ (META-INF/container.xml) [static] rootfile: contains document root path
+
+- identifies the root package document (so systems can find it), [unchanged from epub2]
+
+#+name: output_epub3_fixed
+#+BEGIN_SRC d
+string epub3_container_xml() {
+  string o;
+  o = format(q"┃<?xml version='1.0' encoding='utf-8'?>┃") ~ "\n";
+  o ~= format(q"┃<container version="1.0"
+xmlns="urn:oasis:names:tc:opendocument:xmlns:container">
+<rootfiles>
+  <rootfile full-path="OEBPS/content.opf"
+    media-type="application/oebps-package+xml" />
+</rootfiles>┃") ~ "\n</container>\n";
+  return o;
+}
+#+END_SRC
+
+*** constructs (in dir: OEBPS)
+**** TODO _doc manifest_ (OEBPS/content.opf) manifest, register content: files, images etc.
+
+- manifest, listing all resources
+- provides the default reading order
+- identifies the navigation document
+
+#+name: output_epub3_constructs
+#+BEGIN_SRC d
+string epub3_oebps_content(D,M,P)(D doc_abstraction, M doc_matters, P parts) {
+  auto xhtml_format = outputXHTMLs();
+  auto pth_epub3 = DocReformPathsEPUB!()(doc_matters.output_path, doc_matters.src.language);
+  string _uuid = "18275d951861c77f78acd05672c9906924c59f18a2e0ba06dad95959693e9bd8"; // TODO sort uuid in doc_matters!
+  string content = format(q"┃  <?xml version='1.0' encoding='utf-8'?>
+<package xmlns="http://www.idpf.org/2007/opf" version="2.0" unique-identifier="EPB-UUID">
+  <metadata
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xmlns:dcterms="http://purl.org/dc/terms/"
+    xmlns:dc="http://purl.org/dc/elements/1.1/"
+    unique-identifier="urn:uuid:%s" version="2.0">
+    <!-- <dc:title id="title">%s</dc:title> -->
+    <dc:title id="title">%s</dc:title>
+    <meta refines="#title" property="title-type">main</meta>
+    <dc:title id="subtitle">%s</dc:title>
+    <meta refines="#subtitle" property="title-type">subtitle</meta>
+    <dc:creator file-as="%s" id="aut">%s</dc:creator>
+    <dc:language>%s</dc:language>
+    <dc:date id="published">%s</dc:date>
+    <dc:rights>Copyright: %s</dc:rights>
+    <dc:identifier scheme="URI">%s</dc:identifier>
+    <dc:identifier id="bookid">urn:uuid:%s</dc:identifier>
+    <!-- <dc:identifier id="EPB-UUID">urn:uuid:%s</dc:identifier> -->
+  </metadata>
+  <manifest>
+    <!-- NCX epub2 navigation -->
+      <item id="ncx" href="toc.ncx" media-type="application/x-dtbncx+xml" />
+    <!-- CSS Style Sheets -->
+      <link rel="stylesheet" href="%s" type="text/css" id="main-css" />
+    <!-- nav epub3 navigation -->
+      <item id="nav" href="toc_nav.xhtml" media-type="application/xhtml+xml" properties="nav" />
+┃",
+    _uuid,
+    xhtml_format.special_characters_text(doc_matters.conf_make_meta.meta.title_full),
+    xhtml_format.special_characters_text(doc_matters.conf_make_meta.meta.title_main),
+    (doc_matters.conf_make_meta.meta.title_sub.empty)
+      ? "" : xhtml_format.special_characters_text(doc_matters.conf_make_meta.meta.title_sub),
+    (doc_matters.conf_make_meta.meta.creator_author.empty)
+      ? "" : xhtml_format.special_characters_text(doc_matters.conf_make_meta.meta.creator_author),
+    (doc_matters.conf_make_meta.meta.creator_author.empty)
+      ? "" : xhtml_format.special_characters_text(doc_matters.conf_make_meta.meta.creator_author),
+    doc_matters.src.language,                                   // language, fix (needed in dochead metadata)
+    (doc_matters.conf_make_meta.meta.date_published.empty)
+      ? "" : xhtml_format.special_characters_text(doc_matters.conf_make_meta.meta.date_published),
+    (doc_matters.conf_make_meta.meta.rights_copyright.empty)
+      ? "" : xhtml_format.special_characters_text(doc_matters.conf_make_meta.meta.rights_copyright),
+    _uuid,
+    _uuid,
+    _uuid,
+    (pth_epub3.fn_oebps_css).chompPrefix("OEBPS/"),
+  );
+  content ~= "    " ~ "<!-- Content Documents -->" ~ "\n  ";
+  content ~= parts["manifest_documents"];
+  // TODO sort jpg & png
+  content ~= "    " ~ "<!-- Images -->" ~ "\n  ";
+  foreach (image; doc_matters.srcs.image_list) {
+    content ~= format(q"┃      <item id="%s" href="%s/%s" media-type="image/%s" />
+┃",
+      image.baseName.stripExtension,
+      (pth_epub3.doc_oebps_image).chompPrefix("OEBPS/"),
+      image,
+      image.extension.chompPrefix("."),
+    );
+  }
+  content ~= "  " ~ "</manifest>"         ~ "\n  ";
+  content ~= "  " ~ "<spine toc=\"ncx\">" ~ "\n  ";
+  content ~= parts["spine"];
+  content ~= "  " ~ "</spine>"            ~ "\n  ";
+  content ~= "  " ~ "<guide>"             ~ "\n  ";
+  content ~= parts["guide"];
+  content ~= "  " ~ "</guide>"            ~ "\n  ";
+  content ~= ""   ~ "</package>";
+  debug(epubmanifest) {
+    foreach (part; doc_matters.has.keys_seq.seg) { // TODO
+      foreach (obj; doc_abstraction[part]) {
+        if (obj.metainfo.is_a == "heading") {
+          if (obj.metainfo.heading_lev_markup == 4) {
+            writefln(
+              "%s~ [%s.xhtml] %s",
+              obj.marked_up_level,
+              obj.tags.segment_anchor_tag_epub,
+              obj.text
+            );
+          } else if (obj.metainfo.heading_lev_markup > 4) {
+            writefln(
+              "%s~ [%s.xhtml#%s] %s",
+              obj.marked_up_level,
+              obj.tags.segment_anchor_tag_epub,
+              obj.metainfo.object_number,
+              obj.text
+            );
+          }
+        }
+      }
+    }
+  }
+  return content;
+}
+#+END_SRC
+
+**** _doc navigation epub3_ (OEBPS/toc_nav.xhtml) epub3 navigable toc using Dom structure
+
+- toc_nav.xhtml declared as nav file in content.opf (epub3 navigation document)
+
+#+name: output_epub3_constructs
+#+BEGIN_SRC d
+string epub3_oebps_toc_nav_xhtml(D,I)(D doc_abstraction, I doc_matters) {
+  enum DomTags { none, open, close, close_and_open, open_still, }
+  auto markup = InlineMarkup();
+  auto rgx = Rgx();
+  string toc =format("<html xmlns=\"http://www.w3.org/1999/xhtml\"
+    xmlns:epub=\"http://www.idpf.org/2007/ops\">
+<head>
+  <title>%s</title>
+</head>
+<body>
+  <section epub:type=\"frontmatter toc\">
+    <header>
+      <h1>Contents</h1>
+    </header>
+    <nav epub:type=\"toc\" id=\"toc\">\n",
+    doc_matters.conf_make_meta.meta.title_full,
+  );
+  foreach (sect; doc_matters.has.keys_seq.seg) {
+    foreach (obj; doc_abstraction[sect]) {
+      if (obj.metainfo.is_a == "heading") {
+        string _txt = obj.text.replaceAll(rgx.inline_notes_al_gen, "").strip;
+        foreach_reverse (n; 0 .. 7) {
+          string k = n.to!string;
+          switch (obj.metainfo.dom_structure_collapsed_tags_status[n]) {
+          case DomTags.close :
+            toc ~= markup.indent_by_spaces_provided((n + 1), "  ") ~ "</li>" ~ "\n";
+            toc ~= markup.indent_by_spaces_provided(n, "  ") ~ "</ol>" ~ "\n";
+            break;
+          case DomTags.close_and_open :
+            toc ~= markup.indent_by_spaces_provided((n + 1), "  ") ~ "</li>" ~ "\n";
+            if  (obj.metainfo.heading_lev_markup < 4) {
+              toc ~= markup.indent_by_spaces_provided((n + 1), "  ") ~ "<li>" ~ "\n"
+              ~ markup.indent_by_spaces_provided((n + 2), "  ")
+              ~ "<a href=\"" ~ obj.tags.segment_anchor_tag_epub ~ ".xhtml" ~ "\">"
+              ~ _txt
+              ~ "</a>" ~ "\n";
+            } else {
+              string hashtag =(obj.metainfo.heading_lev_markup == 4)
+              ? ""
+              : ("#" ~ obj.metainfo.ocn.to!string);
+              toc ~= markup.indent_by_spaces_provided((n + 1), "  ") ~ "<li>" ~ "\n"
+              ~ markup.indent_by_spaces_provided((n + 2), "  ")
+              ~ "<a href=\"" ~ obj.tags.segment_anchor_tag_epub ~ ".xhtml" ~ hashtag ~ "\">"
+              ~ _txt
+              ~ "</a>" ~ "\n";
+            }
+            break;
+          case DomTags.open :
+            toc ~= markup.indent_by_spaces_provided(n, "  ") ~ "<ol>" ~ "\n";
+            if  (obj.metainfo.heading_lev_markup < 4) {
+              toc ~= markup.indent_by_spaces_provided((n + 1), "  ") ~ "<li>" ~ "\n"
+              ~ markup.indent_by_spaces_provided((n + 2), "  ")
+              ~ "<a href=\"" ~ obj.tags.segment_anchor_tag_epub ~ ".xhtml" ~ "\">"
+              ~ _txt
+              ~ "</a>" ~ "\n";
+            } else {
+              string hashtag =(obj.metainfo.heading_lev_markup == 4)
+              ? ""
+              : ("#" ~ obj.metainfo.ocn.to!string);
+              toc ~= markup.indent_by_spaces_provided((n + 1), "  ") ~ "<li>" ~ "\n"
+              ~ markup.indent_by_spaces_provided((n + 2), "  ")
+              ~ "<a href=\"" ~ obj.tags.segment_anchor_tag_epub ~ ".xhtml" ~ hashtag ~ "\">"
+              ~ _txt
+              ~ "</a>" ~ "\n";
+            }
+            break;
+          default :
+            break;
+          }
+        }
+      }
+    }
+  }
+  toc ~="</nav>
+    </section>
+  </body>
+</html>\n";
+  return toc;
+}
+#+END_SRC
+
+**** TODO _doc navigation epub2_ (OEBPS/toc.ncx) navigable toc using Dom structure
+
+- toc.ncx (epub2 navigation document)
+  - (replaced in epub3 by a declared xhtml nav file, in our case toc_nav.xhtml)
+
+#+name: output_epub3_constructs
+#+BEGIN_SRC d
+string epub2_oebps_toc_ncx(D,I)(D doc_abstraction, I doc_matters) {
+  int counter = 0;
+  string _uuid = "18275d951861c77f78acd05672c9906924c59f18a2e0ba06dad95959693e9bd8"; // TODO shared elsewhere
+  auto markup = InlineMarkup();
+  auto rgx = Rgx();
+  enum DomTags { none, open, close, close_and_open, open_still, }
+  string toc = format(q"┃<?xml version='1.0' encoding='utf-8'?>
+<ncx xmlns="http://www.daisy.org/z3986/2005/ncx/" version="2005-1">
+<head>
+  <!-- four required metadata items (for all NCX documents,
+    (including the relaxed constraints of OPS 2.0) -->
+  <title>%s%s</title>
+  <link rel="stylesheet" href="css/epub.css" type="text/css" id="main-css" />
+  <meta name="dtb:uid" content="urn:uuid:%s" />
+  <!-- <meta name="epub-creator" content="DocReform http://www.jus.uio.no/sisu (this copy)" /> -->
+  <meta name="dtb:depth" content="%s" />
+  <meta name="dtb:totalPageCount" content="0" />
+  <meta name="dtb:maxPageNumber" content="0" />
+</head>
+<docTitle>
+  <text>%s</text>
+</docTitle>
+<docAuthor>
+  <text>%s</text>
+</docAuthor>
+<navMap>┃",
+    doc_matters.conf_make_meta.meta.title_full,                          // title
+    (doc_matters.conf_make_meta.meta.creator_author.empty) ? ""
+      : " by " ~ doc_matters.conf_make_meta.meta.creator_author,         // author
+    _uuid,                                                                // uuid
+    "3",                                                                 // content depth
+    doc_matters.conf_make_meta.meta.title_full,                          // title
+    (doc_matters.conf_make_meta.meta.creator_author.empty) ? ""
+      : doc_matters.conf_make_meta.meta.creator_author,                  // author
+  );
+  foreach (sect; doc_matters.has.keys_seq.seg) {
+    foreach (obj; doc_abstraction[sect]) {
+      if (obj.metainfo.is_a == "heading") {
+        string _txt = obj.text.replaceAll(rgx.inline_notes_al_gen, "").strip;
+        string hashtag =(obj.metainfo.heading_lev_markup <= 4) ? "" : ("#" ~ obj.metainfo.ocn.to!string);
+        foreach_reverse (k; 0 .. 7) {
+          switch (obj.metainfo.dom_structure_markedup_tags_status[k]) {
+          case DomTags.close :
+            toc ~= "\n    </navPoint>";
+            break;
+          case DomTags.close_and_open :
+            ++counter;
+            toc ~= "\n    </navPoint>";
+            toc ~= format(q"┃
+  <navPoint class="chapter" id="navpoint" playOrder="%s">
+    <navLabel>
+      <text>%s</text>
+    </navLabel>
+    <content src="%s.xhtml%s" />┃",
+              counter,
+              _txt,
+              obj.tags.segment_anchor_tag_epub,
+              hashtag,
+            );
+            break;
+          case DomTags.open :
+            ++counter;
+            toc ~= format(q"┃
+  <navPoint class="chapter" id="navpoint" playOrder="%s">
+    <navLabel>
+      <text>%s</text>
+    </navLabel>
+    <content src="%s.xhtml%s" />┃",
+              counter,
+              _txt,
+              obj.tags.segment_anchor_tag_epub,
+              hashtag,
+            );
+            break;
+          default :
+            break;
+          }
+        }
+      }
+    }
+  }
+  toc ~= format(q"┃
+    </navPoint>
+    </navPoint>
+    </navPoint>
+  </navMap>
+</ncx>┃");
+  return toc;
+}
+#+END_SRC
+
+** the document contents                                               :seg:
+*** ↻ loop & switch (sections & objects) format epub3 xhtml output
+
+#+name: output_epub3_xhtml_seg
+#+BEGIN_SRC d
+void outputEPub3(D,I)(
+  const D    doc_abstraction,
+        I    doc_matters,
+) {
+  mixin DocReformOutputRgxInit;
+  auto xhtml_format = outputXHTMLs();
+  auto rgx = Rgx();
+  string[] doc;
+  string segment_filename;
+  string[] top_level_headings = ["","","",""];
+  string[string] oepbs_content_parts;
+  string suffix = ".xhtml";
+  struct writeOut { /+ epub specific documents +/
+    /+ fixed output +/
+    string mimetypes;
+    string meta_inf_container_xml;
+    string oebps_toc_ncx;
+    string oebps_toc_nav_xhtml;
+    /+ variable output +/
+    string oebps_content_opf;
+    string[][string] doc_epub3;
+    string[][string] doc_epub3_endnotes;
+    string[] doc_parts;
+  }
+  auto epubWrite = writeOut();
+#+END_SRC
+
+**** ↻ the loop (sections & objects) format output
+
+#+name: output_epub3_xhtml_seg
+#+BEGIN_SRC d
+  foreach (part; doc_matters.has.keys_seq.seg) {
+    foreach (obj; doc_abstraction[part]) {
+      string _txt = xhtml_format.special_characters(obj);
+#+END_SRC
+
+***** all headings
+
+#+name: output_epub3_xhtml_seg
+#+BEGIN_SRC d
+      if (obj.metainfo.is_a == "heading") {
+        assert(part == "head" || "toc" || "body" || "endnotes" || "glossary" || "bibliography" || "bookindex" || "blurb" || "tail");
+        switch (obj.metainfo.heading_lev_markup) {
+        case 0: .. case 3:
+          /+ fill buffer, and replace with new levels from 1 to 3 +/
+          switch (obj.metainfo.heading_lev_markup) {
+          case 0:
+            top_level_headings[0] = "";
+            top_level_headings[1] = "";
+            top_level_headings[2] = "";
+            top_level_headings[3] = "";
+            goto default;
+          case 1:
+            top_level_headings[1] = "";
+            top_level_headings[2] = "";
+            top_level_headings[3] = "";
+            goto default;
+          case 2:
+            top_level_headings[2] = "";
+            top_level_headings[3] = "";
+            goto default;
+          case 3:
+            top_level_headings[3] = "";
+            goto default;
+          default:
+            epubWrite.doc_parts ~= obj.tags.segment_anchor_tag_epub;
+            epubWrite.doc_epub3[obj.tags.segment_anchor_tag_epub] ~= xhtml_format.epub3_seg_head(doc_matters);
+            auto t = xhtml_format.heading_seg(_txt, obj, doc_matters, suffix, "epub");
+            epubWrite.doc_epub3[obj.tags.segment_anchor_tag_epub] ~= t[0];
+            epubWrite.doc_epub3_endnotes[obj.tags.segment_anchor_tag_epub] ~= t[1];
+            break;
+          }
+          break;
+        case 4:
+          segment_filename = obj.tags.segment_anchor_tag_epub;
+          epubWrite.doc_epub3[segment_filename] ~= xhtml_format.epub3_seg_head(doc_matters);
+          auto t = xhtml_format.heading_seg(_txt, obj, doc_matters, suffix, "epub");
+          epubWrite.doc_epub3[segment_filename] ~= t[0];
+          epubWrite.doc_epub3_endnotes[segment_filename] ~= t[1];
+          break;
+        case 5: .. case 7:
+          auto t = xhtml_format.heading_seg(_txt, obj, doc_matters, suffix, "epub");
+          epubWrite.doc_epub3[segment_filename] ~= t[0];
+          epubWrite.doc_epub3_endnotes[segment_filename] ~= t[1];
+          break;
+        case 8: .. case 9:
+          { /+ debug +/
+            if (doc_matters.opt.action.debug_do
+            && doc_matters.opt.action.verbose) {
+              writeln(__FILE__, ":", __LINE__, ": ", obj.metainfo.is_a, ": ", obj.metainfo.heading_lev_markup);
+              writeln(__FILE__, ":", __LINE__, ": ", obj.text);
+            }
+          }
+          break;
+        default:
+          { /+ debug +/
+            if (doc_matters.opt.action.debug_do
+            && doc_matters.opt.action.verbose) {
+              writeln(__FILE__, ":", __LINE__, ": ", obj.metainfo.is_a, ": ", obj.metainfo.heading_lev_markup);
+            }
+          }
+          break;
+        }
+#+END_SRC
+
+***** non-heading
+
+#+name: output_epub3_xhtml_seg
+#+BEGIN_SRC d
+      } else {
+        assert(part == "head" || "toc" || "body" || "endnotes" || "glossary" || "bibliography" || "bookindex" || "blurb" || "tail");
+        switch (obj.metainfo.is_of_part) {
+#+END_SRC
+
+****** frontmatter
+
+#+name: output_epub3_xhtml_seg
+#+BEGIN_SRC d
+        case "frontmatter":             assert(part == "head" || "toc");
+          switch (obj.metainfo.is_of_type) {
+          case "para":
+            switch (obj.metainfo.is_a) {
+            case "toc":
+              auto t = xhtml_format.para_seg(_txt, obj, doc_matters, suffix, "epub");
+              epubWrite.doc_epub3[segment_filename] ~= t[0];
+              epubWrite.doc_epub3_endnotes[segment_filename] ~= t[1];
+              break;
+            default:
+              { /+ debug +/
+                if (doc_matters.opt.action.debug_do
+                && doc_matters.opt.action.verbose) {
+                  writeln(__FILE__, ":", __LINE__, ": ", obj.metainfo.is_a);
+                }
+              }
+              break;
+            }
+            break;
+          default:
+            { /+ debug +/
+              if (doc_matters.opt.action.debug_do
+              && doc_matters.opt.action.verbose) {
+                writeln(__FILE__, ":", __LINE__, ": ", obj.metainfo.is_of_type);
+              }
+            }
+            break;
+          }
+          break;
+#+END_SRC
+
+****** body
+
+#+name: output_epub3_xhtml_seg
+#+BEGIN_SRC d
+        case "body":                    assert(part == "body");
+          switch (obj.metainfo.is_of_type) {
+          case "para":
+            switch (obj.metainfo.is_a) {
+            case "para":
+              auto t = xhtml_format.para_seg(_txt, obj, doc_matters, suffix, "epub");
+              epubWrite.doc_epub3[segment_filename] ~= t[0];
+              epubWrite.doc_epub3_endnotes[segment_filename] ~= t[1];
+              break;
+            default:
+              { /+ debug +/
+                if (doc_matters.opt.action.debug_do
+                && doc_matters.opt.action.verbose) {
+                  writeln(__FILE__, ":", __LINE__, ": ", obj.metainfo.is_a);
+                }
+              }
+              break;
+            }
+            break;
+          case "block":
+            switch (obj.metainfo.is_a) {
+            case "quote":
+              auto t = xhtml_format.quote_seg(_txt, obj, doc_matters, suffix, "epub");
+              epubWrite.doc_epub3[segment_filename] ~= t[0].to!string;
+              epubWrite.doc_epub3_endnotes[segment_filename] ~= t[1];
+              break;
+            case "group":
+              auto t = xhtml_format.group_seg(_txt, obj, doc_matters, suffix, "epub");
+              epubWrite.doc_epub3[segment_filename] ~= t[0].to!string;
+              epubWrite.doc_epub3_endnotes[segment_filename] ~= t[1];
+              break;
+            case "block":
+              auto t = xhtml_format.block_seg(_txt, obj, doc_matters, suffix, "epub");
+              epubWrite.doc_epub3[segment_filename] ~= t[0].to!string;
+              epubWrite.doc_epub3_endnotes[segment_filename] ~= t[1];
+              break;
+            case "poem":
+              break;
+            case "verse":
+              auto t = xhtml_format.verse_seg(_txt, obj, doc_matters, suffix, "epub");
+              epubWrite.doc_epub3[segment_filename] ~= t[0].to!string;
+              epubWrite.doc_epub3_endnotes[segment_filename] ~= t[1];
+              break;
+            case "code":
+              epubWrite.doc_epub3[segment_filename] ~= xhtml_format.code(_txt, obj, doc_matters);
+              break;
+            case "table":
+              epubWrite.doc_epub3[segment_filename] ~= xhtml_format.table(_txt, obj, doc_matters);
+              epubWrite.doc_epub3_endnotes[segment_filename] ~= "";
+              break;
+            default:
+              { /+ debug +/
+                if (doc_matters.opt.action.debug_do
+                && doc_matters.opt.action.verbose) {
+                  writeln(__FILE__, ":", __LINE__, ": ", obj.metainfo.is_a);
+                }
+              }
+              break;
+            }
+            break;
+          default:
+            { /+ debug +/
+              if (doc_matters.opt.action.debug_do
+              && doc_matters.opt.action.verbose) {
+                writeln(__FILE__, ":", __LINE__, ": ", obj.metainfo.is_of_type);
+              }
+            }
+            break;
+          }
+          break;
+#+END_SRC
+
+****** backmatter
+
+#+name: output_epub3_xhtml_seg
+#+BEGIN_SRC d
+        case "backmatter":
+          assert(part == "endnotes" || "glossary" || "bibliography" || "bookindex" || "blurb" || "tail");
+          switch (obj.metainfo.is_of_type) {
+          case "para":
+            switch (obj.metainfo.is_a) {
+            case "endnote":             assert(part == "endnotes");
+              auto t = xhtml_format.para_seg(_txt, obj, doc_matters, suffix, "epub");
+              epubWrite.doc_epub3[segment_filename] ~= t[0];
+              break;
+            case "glossary":            assert(part == "glossary");
+              auto t = xhtml_format.para_seg(_txt, obj, doc_matters, suffix, "epub");
+              epubWrite.doc_epub3[segment_filename] ~= t[0];
+              epubWrite.doc_epub3_endnotes[segment_filename] ~= t[1];
+              break;
+            case "bibliography":        assert(part == "bibliography");
+              auto t = xhtml_format.para_seg(_txt, obj, doc_matters, suffix, "epub");
+              epubWrite.doc_epub3[segment_filename] ~= t[0];
+              epubWrite.doc_epub3_endnotes[segment_filename] ~= t[1];
+              break;
+            case "bookindex":           assert(part == "bookindex");
+              auto t = xhtml_format.para_seg(_txt, obj, doc_matters, suffix, "epub");
+              epubWrite.doc_epub3[segment_filename] ~= t[0];
+              epubWrite.doc_epub3_endnotes[segment_filename] ~= t[1];
+              break;
+            case "blurb":               assert(part == "blurb");
+              auto t = xhtml_format.para_seg(_txt, obj, doc_matters, suffix, "epub");
+              epubWrite.doc_epub3[segment_filename] ~= t[0];
+              epubWrite.doc_epub3_endnotes[segment_filename] ~= t[1];
+              break;
+            default:
+              { /+ debug +/
+                if (doc_matters.opt.action.debug_do
+                && doc_matters.opt.action.verbose) {
+                  writeln(__FILE__, ":", __LINE__, ": ", obj.metainfo.is_a);
+                }
+              }
+              break;
+            }
+            break;
+          default:
+            { /+ debug +/
+              if (doc_matters.opt.action.debug_do
+              && doc_matters.opt.action.verbose) {
+                writeln(__FILE__, ":", __LINE__, ": ", obj.metainfo.is_of_type);
+              }
+            }
+            break;
+          }
+          break;
+        case "comment":
+          break;
+        default:
+          { /+ debug +/
+            if (doc_matters.opt.action.debug_do
+            && doc_matters.opt.action.verbose) {
+              writeln(__FILE__, ":", __LINE__, ": ", obj.metainfo.is_of_part);
+            }
+          }
+          break;
+        }
+      }
+      if (obj.metainfo.is_a == "heading") {
+        assert(obj.text.length > 0);
+        if (obj.metainfo.heading_lev_markup <= 4) {
+          oepbs_content_parts["manifest_documents"] ~=
+            format(q"┃      <item id="%s.xhtml" href="%s.xhtml" media-type="application/xhtml+xml" />
+┃",
+            obj.tags.segment_anchor_tag_epub,
+            obj.tags.segment_anchor_tag_epub,
+          );
+          oepbs_content_parts["spine"] ~=
+            format(q"┃    <itemref idref="%s.xhtml" linear="yes" />
+┃",
+            obj.tags.segment_anchor_tag_epub,
+          );
+          oepbs_content_parts["guide"] ~=
+            format(q"┃      <reference type="%s" href="%s" />
+┃",
+            obj.tags.segment_anchor_tag_epub,
+            obj.tags.segment_anchor_tag_epub,
+          );
+        } else if (obj.metainfo.heading_lev_markup > 4) {
+          oepbs_content_parts["manifest_documents"] ~=
+            format(q"┃      <item id="%s.xhtml#%s" href="%s.xhtml#%s" media-type="application/xhtml+xml" />
+┃",
+            obj.tags.segment_anchor_tag_epub,
+            obj.metainfo.object_number,
+            obj.tags.segment_anchor_tag_epub,
+            obj.metainfo.object_number,
+          );
+          oepbs_content_parts["spine"] ~=
+            format(q"┃    <itemref idref="%s.xhtml#%s" linear="yes" />
+┃",
+            obj.tags.segment_anchor_tag_epub,
+            obj.metainfo.object_number,
+          );
+          oepbs_content_parts["guide"] ~=
+            format(q"┃      <reference type="%s#%s" href="%s#%s" />
+┃",
+            obj.tags.segment_anchor_tag_epub,
+            obj.metainfo.object_number,
+            obj.tags.segment_anchor_tag_epub,
+            obj.metainfo.object_number,
+          );
+        }
+#+END_SRC
+
+***** closings & post loop
+
+#+name: output_epub3_xhtml_seg
+#+BEGIN_SRC d
+      }
+    }
+  }
+  /+ epub specific documents +/
+  epubWrite.mimetypes =              epub3_mimetypes;
+  epubWrite.meta_inf_container_xml = epub3_container_xml;
+  epubWrite.oebps_toc_ncx =          doc_abstraction.epub2_oebps_toc_ncx(doc_matters);
+  epubWrite.oebps_toc_nav_xhtml =    doc_abstraction.epub3_oebps_toc_nav_xhtml(doc_matters);
+  epubWrite.oebps_content_opf =      doc_abstraction.epub3_oebps_content(doc_matters, oepbs_content_parts);
+  epubWrite.epub3_write_output_files(doc_matters);
+}
+#+END_SRC
+
+** write output files                                            :write:zip:
+
+#+name: output_epub3_xhtml_seg
+#+BEGIN_SRC d
+void epub3_write_output_files(W,M)(
+  W epub_write,
+  M doc_matters,
+) {
+  debug(asserts) {
+    static assert(is(typeof(epub_write.doc_epub3)              == string[][string]));
+    static assert(is(typeof(epub_write.mimetypes)              == string));
+    static assert(is(typeof(epub_write.meta_inf_container_xml) == string));
+    static assert(is(typeof(epub_write.oebps_toc_nav_xhtml)    == string));
+    static assert(is(typeof(epub_write.oebps_toc_ncx)          == string));
+    static assert(is(typeof(epub_write.oebps_content_opf)      == string));
+  }
+  static auto rgx = Rgx();
+  auto pth_epub3 = DocReformPathsEPUB!()(doc_matters.output_path, doc_matters.src.language);
+  auto xhtml_format = outputXHTMLs();
+  /+ zip file +/
+  auto fn_epub = pth_epub3.epub_file(doc_matters.src.filename);
+  auto zip = new ZipArchive(); // ZipArchive zip = new ZipArchive();
+  /+ zip archive member files +/
+  void EPUBzip()(string contents, string fn) {
+    auto zip_arc_member_file = new ArchiveMember();
+    zip_arc_member_file.name = fn;
+    auto zip_data = new OutBuffer();
+    (doc_matters.opt.action.debug_do)
+    ? zip_data.write(contents.dup)
+    : zip_data.write(contents.dup
+      .replaceAll(rgx.spaces_line_start, "")
+      .replaceAll(rgx.newline, " ")
+      .strip
+    );
+    zip_arc_member_file.expandedData = zip_data.toBytes();
+    zip.addMember(zip_arc_member_file);
+    createZipFile!()(fn_epub, zip.build());
+  }
+  try {
+    if (!exists(pth_epub3.base)) {
+      pth_epub3.base.mkdirRecurse;
+    }
+    { /+ debug +/
+      if (doc_matters.opt.action.debug_do) {
+        if (!exists(pth_epub3.dbg_doc_meta_inf(doc_matters.src.filename))) {
+          pth_epub3.dbg_doc_meta_inf(doc_matters.src.filename).mkdirRecurse;
+        }
+        if (!exists(pth_epub3.dbg_doc_oebps_css(doc_matters.src.filename))) {
+          pth_epub3.dbg_doc_oebps_css(doc_matters.src.filename).mkdirRecurse;
+        }
+        if (!exists(pth_epub3.dbg_doc_oebps_image(doc_matters.src.filename))) {
+          pth_epub3.dbg_doc_oebps_image(doc_matters.src.filename).mkdirRecurse;
+        }
+      }
+    }
+    { /+ OEBPS/[segments].xhtml (the document contents) +/
+      foreach (seg_filename; doc_matters.has.segnames_lv_0_to_4) {
+        string fn = pth_epub3.fn_oebps_content_xhtml(seg_filename);
+        auto zip_arc_member_file = new ArchiveMember();
+        zip_arc_member_file.name = fn;
+        auto zip_data = new OutBuffer();
+        { /+ debug +/
+          if (doc_matters.opt.action.debug_do) {
+            string fn_dbg = pth_epub3.dbg_fn_oebps_content_xhtml(doc_matters.src.filename, seg_filename);
+            auto f = File(fn_dbg, "w");
+            foreach (docseg; epub_write.doc_epub3[seg_filename]) {
+              f.writeln(docseg);
+            }
+            foreach (docseg; epub_write.doc_epub3_endnotes[seg_filename]) {
+              f.writeln(docseg);
+            }
+            f.writeln(xhtml_format.tail);
+          }
+        }
+        foreach (docseg; epub_write.doc_epub3[seg_filename]) {
+          zip_data.write(docseg.dup);
+        }
+        foreach (docseg; epub_write.doc_epub3_endnotes[seg_filename]) {
+          zip_data.write(docseg.dup);
+        }
+        zip_data.write(xhtml_format.tail.dup);
+        zip_arc_member_file.expandedData = zip_data.toBytes();
+        zip.addMember(zip_arc_member_file);
+        /+ create the zip file +/
+        createZipFile!()(fn_epub, zip.build());
+      }
+    }
+    string fn;
+    string fn_dbg;
+    File f;
+    { /+ mimetypes (identify zip file type) +/
+      { /+ debug +/
+        if (doc_matters.opt.action.debug_do) {
+          fn_dbg = pth_epub3.dbg_fn_mimetypes(doc_matters.src.filename);
+          File(fn_dbg, "w").writeln(epub_write.mimetypes);
+        }
+      }
+      fn = pth_epub3.fn_mimetypes;
+      EPUBzip(epub_write.mimetypes, fn);
+    }
+    { /+  META-INF/container.xml (identify doc root) +/
+      { /+ debug +/
+        if (doc_matters.opt.action.debug_do) {
+          fn_dbg = pth_epub3.dbg_fn_dmi_container_xml(doc_matters.src.filename);
+          File(fn_dbg, "w").writeln(epub_write.meta_inf_container_xml);
+        }
+      }
+      fn = pth_epub3.fn_dmi_container_xml;
+      EPUBzip(epub_write.meta_inf_container_xml, fn);
+    }
+    { /+ OEBPS/toc_nav.xhtml (navigation toc epub3) +/
+      { /+ debug +/
+        if (doc_matters.opt.action.debug_do) {
+          fn_dbg = pth_epub3.dbg_fn_oebps_toc_nav_xhtml(doc_matters.src.filename);
+          File(fn_dbg, "w").writeln(epub_write.oebps_toc_nav_xhtml);
+        }
+      }
+      fn = pth_epub3.fn_oebps_toc_nav_xhtml;
+      EPUBzip(epub_write.oebps_toc_nav_xhtml, fn);
+    }
+    { /+ OEBPS/toc.ncx (navigation toc epub2) +/
+      { /+ debug +/
+        if (doc_matters.opt.action.debug_do) {
+          fn_dbg = pth_epub3.dbg_fn_oebps_toc_ncx(doc_matters.src.filename);
+          File(fn_dbg, "w").writeln(epub_write.oebps_toc_ncx);
+        }
+      }
+      fn = pth_epub3.fn_oebps_toc_ncx;
+      EPUBzip(epub_write.oebps_toc_ncx, fn);
+    }
+    { /+ OEBPS/content.opf (doc manifest) +/
+      { /+ debug +/
+        if (doc_matters.opt.action.debug_do) {
+          fn_dbg = pth_epub3.dbg_fn_oebps_content_opf(doc_matters.src.filename);
+          File(fn_dbg, "w").writeln(epub_write.oebps_content_opf);
+        }
+      }
+      fn = pth_epub3.fn_oebps_content_opf;
+      EPUBzip(epub_write.oebps_content_opf, fn);
+    }
+    { /+ OEBPS/_dr/image (images) +/
+      foreach (image; doc_matters.srcs.image_list) {
+        { /+ debug +/
+          if (doc_matters.opt.action.debug_do) {
+            if (doc_matters.opt.action.very_verbose) {
+              writeln(
+                doc_matters.src.image_dir_path, "/", image, " -> ",
+                pth_epub3.dbg_doc_oebps_image(doc_matters.src.filename), "/", image
+              );
+            }
+            if (exists(doc_matters.src.image_dir_path ~ "/" ~ image)) {
+              (doc_matters.src.image_dir_path ~ "/" ~ image)
+              .copy((pth_epub3.dbg_doc_oebps_image(doc_matters.src.filename)) ~ "/" ~ image);
+            }
+          }
+        }
+        auto fn_src = doc_matters.src.image_dir_path ~ "/" ~ image;
+        auto fn_out =  pth_epub3.doc_oebps_image ~ "/" ~ image;
+        if (exists(fn_src)) {
+          {
+            auto zip_arc_member_file = new ArchiveMember();
+            zip_arc_member_file.name = fn_out;
+            auto zip_data = new OutBuffer();
+            zip_data.write(cast(char[]) ((fn_src).read));
+            zip_arc_member_file.expandedData = zip_data.toBytes();
+            zip.addMember(zip_arc_member_file);
+            createZipFile!()(fn_epub, zip.build());
+          }
+        }
+      }
+    }
+    { /+ OEBPS/epub.css +/
+      auto css = DocReformCss(doc_matters);
+      { /+ debug +/
+        if (doc_matters.opt.action.debug_do) {
+          fn_dbg = pth_epub3.dbg_fn_oebps_css(doc_matters.src.filename);
+          File(fn_dbg, "w").writeln(css.epub);
+        }
+      }
+      fn = pth_epub3.fn_oebps_css;
+      auto zip_arc_member_file = new ArchiveMember();
+      zip_arc_member_file.name = fn;
+      auto zip_data = new OutBuffer();
+      zip_data.write(css.epub.dup);
+      zip_arc_member_file.expandedData = zip_data.toBytes();
+      zip.addMember(zip_arc_member_file);
+      createZipFile!()(fn_epub, zip.build());
+    }
+  } catch (ErrnoException ex) {
+    // Handle error
+  }
+  if (!(doc_matters.opt.action.quiet)) {
+    writeln(" ", fn_epub);
+  }
+#+END_SRC
+
+** zip debug, read zip  archive                                        :zip:
+
+#+name: output_epub3_xhtml_seg
+#+BEGIN_SRC d
+  debug(epub_archive) {
+    if (exists(fn_epub)) {
+      try {
+        auto zipped = new ZipArchive((fn_epub).read);
+        foreach (filename, member; zipped.directory) {
+          auto data = zipped.expand(member);
+          writeln(filename, " length ", data.length);
+        }
+      } catch (ZipException ex) {
+        // Handle errors
+      }
+    }
+  }
+}
+#+END_SRC
+
+* __END__
diff --git a/org/out_xmls_css.org b/org/out_xmls_css.org
new file mode 100644
index 0000000..b16bee0
--- /dev/null
+++ b/org/out_xmls_css.org
@@ -0,0 +1,2364 @@
+-*- mode: org -*-
+#+TITLE:       spine (doc_reform) defaults css
+#+DESCRIPTION: documents - structuring, publishing in multiple formats & search
+#+FILETAGS:    :spine:output:xmls:css:
+#+AUTHOR:      Ralph Amissah
+#+EMAIL:       [[mailto:ralph.amissah@gmail.com][ralph.amissah@gmail.com]]
+#+COPYRIGHT:   Copyright (C) 2015 - 2019 Ralph Amissah
+#+LANGUAGE:    en
+#+STARTUP:     indent content hideblocks hidestars
+#+OPTIONS:     H:3 num:nil toc:t \n:nil @:t ::t |:t ^:nil _:nil -:t f:t *:t <:t
+#+OPTIONS:     TeX:t LaTeX:t skip:nil d:nil todo:t pri:nil tags:not-in-toc
+#+OPTIONS:     author:nil email:nil creator:nil timestamp:nil
+#+PROPERTY:    header-args :padline no :exports code :cache no :noweb yes
+#+EXPORT_SELECT_TAGS:  export
+#+EXPORT_EXCLUDE_TAGS: noexport
+#+TAGS: assert(a) class(c) debug(d) mixin(m) spine(s) tangle(T) template(t) WEB(W) noexport(n)
+
+- [[./spine.org][spine]]  [[./][org/]]
+- [[./output_hub.org][output_hub]]
+
+* 0. output css defaults                  :module:spine:output_xmls_css:
+** _module template_
+
+#+BEGIN_SRC d :tangle "../src/doc_reform/output/xmls_css.d"
+/++
+  default css settings
++/
+module doc_reform.output.xmls_css;
+template DocReformCss() {
+  import std.format;
+  auto DocReformCss(M)(M doc_matters) {
+<<css_insert_shared_insert_variable_indent_values>>
+<<css_insert_shared_insert_variable_ocn_color_values>>
+    string _css_light_html_seg = format(q"┃
+<<css_light_shared>>
+<<css_light_html_seg>>
+┃",
+    _color_ocn_light,
+    _css_indent,
+    _color_ocn_light,
+);
+    string _css_dark_html_seg = format(q"┃
+<<css_dark_shared>>
+<<css_dark_html_seg>>
+┃",
+    _color_ocn_dark,
+    _css_indent,
+    _color_ocn_dark,
+);
+    string _css_light_html_scroll = format(q"┃
+<<css_light_shared>>
+<<css_light_html_scroll>>
+┃",
+    _color_ocn_light,
+    _css_indent,
+    _color_ocn_light,
+);
+    string _css_dark_html_scroll = format(q"┃
+<<css_dark_shared>>
+<<css_dark_html_scroll>>
+┃",
+    _color_ocn_dark,
+    _css_indent,
+    _color_ocn_dark,
+);
+    string _css_light_epub = format(q"┃
+<<css_light_shared>>
+<<css_light_epub>>
+┃",
+    _color_ocn_light,
+    _css_indent,
+    _color_ocn_light,
+);
+    string _css_dark_epub = format(q"┃
+<<css_dark_shared>>
+<<css_dark_epub>>
+┃",
+    _color_ocn_dark,
+    _css_indent,
+    _color_ocn_dark,
+);
+    auto css_() {
+      struct _CSS {
+        string html_seg    = "/* DocReform css html seg stylesheet */\n";
+        string html_scroll = "/* DocReform css html scroll stylesheet */\n";
+        string epub        = "/* DocReform css epub stylesheet */\n";
+      }
+      return _CSS();
+    }
+    auto css = css_();
+    if (doc_matters.opt.action.css_theme_default) {
+      css.html_seg    ~= _css_light_html_seg;
+      css.html_scroll ~= _css_light_html_scroll;
+      css.epub        ~= _css_light_epub;
+    } else {
+      css.html_seg    ~= _css_dark_html_seg;
+      css.html_scroll ~= _css_dark_html_scroll;
+      css.epub        ~= _css_dark_epub;
+    }
+    return css;
+  }
+}
+#+END_SRC
+
+** css light theme
+*** html shared
+**** general
+
+#+name: css_light_shared
+#+BEGIN_SRC css
+  *{
+    padding                  : 0px;
+    margin                   : 0px;
+  }
+  body {
+    height                   : 100vh;
+    background-color         : #FFFFFF;
+  }
+  body {
+    color                    : #000000;
+    background               : #FFFFFF;
+    background-color         : #FFFFFF;
+  }
+#+END_SRC
+
+**** link
+
+#+name: css_light_shared
+#+BEGIN_SRC css
+  a:link {
+    color                    : #003399;
+    text-decoration          : none;
+  }
+  a:visited {
+    color                    : #003399;
+    text-decoration          : none;
+  }
+  a:hover {
+    color                    : #000000;
+    background-color         : #F9F9AA;
+  }
+  a.lnkocn:link {
+    color                    : %s;
+    text-decoration          : none;
+  }
+  a.lnkocn:visited {
+    color                    : #32CD32;
+    text-decoration          : none;
+  }
+  a.lnkocn:hover {
+    color                    : #777777;
+    font-size                : 15px;
+  }
+  a:hover img {
+    background-color         : #FFFFFF;
+  }
+  a:active {
+    color                    : #003399;
+    text-decoration          : underline;
+  }
+#+END_SRC
+
+**** div
+
+#+name: css_light_shared
+#+BEGIN_SRC css
+  div {
+    margin-left              : 0;
+    margin-right             : 0;
+  }
+  div.p {
+    margin-left              : 5%%;
+    margin-right             : 1%%;
+  }
+  div.substance {
+    width                    : 100%%;
+    background-color         : #FFFFFF;
+  }
+  div.ocn {
+    width                    : 5%%;
+    float                    : right;
+    top                      : 0;
+    background-color         : #FFFFFF;
+  }
+  div.endnote {
+    width                    : 95%%;
+    background-color         : #FFFFFF;
+  }
+  div.toc {
+    position                 : absolute;
+    float                    : left;
+    margin                   : 0;
+    padding                  : 0;
+    padding-top              : 0.5em;
+    border                   : 0;
+    width                    : 13em;
+    background-color         : #EEEEEE;
+    margin-right             : 1em;
+  }
+  div.summary {
+    margin                   : 0;
+    padding                  : 0;
+    border-left              : 13em solid #EEEEEE;
+    padding-left             : 1em;
+    background-color         : #EEEEEE;
+  }
+  div.content, div.main_column {
+    margin                   : 0;
+    padding                  : 0;
+    border-left              : 13em solid #FFFFFF;
+    padding-left             : 1em;
+    padding-right            : 1em;
+  }
+  div.content0, div.main_column0 {
+    margin                   : 0;
+    padding                  : 0;
+    border-left              : 0%% solid #FFFFFF;
+    padding-left             : 5%%;
+  }
+  div.scroll {
+    margin                   : 0;
+    padding                  : 0;
+    padding-left             : 1em;
+    padding-right            : 1em;
+  }
+  div.content:after {
+    content                  : ' ';
+    clear                    : both;
+    display                  : block;
+    height                   : 0;
+    overflow                 : hidden;
+  }
+  div.footer {
+    clear                    : left;
+    padding                  : 0.5em;
+    font-size                : 80%%;
+    margin                   : 0;
+  }
+  div.toc ul {
+    list-style               : none;
+    padding                  : 0;
+    margin                   : 0;
+  }
+  div.toc li ul a, li ul span.currentlink
+  {
+    font-weight              : normal;
+    font-size                : 90%%;
+    padding-left             : 2em;
+    background-color         : #EEEEEE;
+  }
+  div.toc a, span.currentlink{
+    display                  : block;
+    text-decoration          : none;
+    padding-left             : 0.5em;
+    color                    : #0000aa;
+  }
+  hr {
+    width                    : 90%%;
+    margin-left              : 5%%;
+    margin-right             : 2em;
+    margin-top               : 1.8em;
+    margin-bottom            : 1.8em;
+  }
+  span.currentlink {
+    text-decoration          : none;
+    background-color         : #AAAAAA;
+  }
+  div.toc a:visited {
+    color                    : #0000aa;
+  }
+  div.toc a:hover {
+    color                    : #000000;
+    background-color         : #F9F9AA;
+  }
+  nav#toc ol {
+    list-style-type          : none;
+  }
+#+END_SRC
+
+**** paragraphs headings blocks
+***** misc
+
+#+name: css_light_shared
+#+BEGIN_SRC css
+  .norm, .bold, .verse, .group, .block, .alt {
+    line-height              : 133%%;
+    margin-top               : 12px;
+    margin-bottom            : 0px;
+    padding-left             : 0em;
+    text-indent              : 0em;
+  }
+  p, h0, h1, h2, h3, h4, h5, h6, h7, ul, li {
+    display                  : block;
+    font-family              : verdana, arial, georgia, tahoma, sans-serif, helvetica, times, roman;
+    margin-left              : 5%%;
+    margin-right             : 2em;
+  }
+  p {
+    font-size                : 100%%;
+    font-weight              : normal;
+    line-height              : 133%%;
+    text-align               : justify;
+    text-indent              : 0mm;
+    margin-top               : 0.8em;
+    margin-bottom            : 0.8em;
+  }
+#+END_SRC
+
+#+name: css_light_shared
+#+BEGIN_SRC css
+  img {
+    max-width                : 100%%;
+    height                   : auto;
+  }
+#+END_SRC
+
+***** code block
+
+#+name: css_light_shared
+#+BEGIN_SRC css
+  pre {
+    width                    : auto;
+    display                  : block;
+    clear                    : both;
+    color                    : #555555;
+  }
+  pre.codeline {
+    display                  : table;
+    clear                    : both;
+    table-layout             : fixed;
+    margin-left              : 5%%;
+    margin-right             : 5%%;
+    width                    : 90%%;
+    white-space              : pre-wrap;
+    border-style             : none;
+    border-radius            : 5px 5px 5px 5px;
+    box-shadow               : 0 2px 5px #AAAAAA inset;
+    margin-bottom            : 1em;
+    padding                  : 0.5em 1em;
+    page-break-inside        : avoid;
+    word-wrap                : break-word;
+    font-family              : inconsolata, "liberation mono", "bitstream vera mono", "dejavu mono", monaco, consolas, "andale mono", "courier new", "courier 10 pitch", courier, monospace;
+    white-space              : pre;
+    white-space              : pre-wrap;
+    white-space              : -moz-pre-wrap;
+    white-space              : -o-pre-wrap;
+    background-color         : #EEEEEE;
+    color                    : #000000;
+    font-size                : 95%%;
+    line-height              : 100%%;
+  }
+  pre.codeline::before {
+    counter-reset            : linenum;
+  }
+  pre.codeline span.tr {
+    display                  : table-row;
+    counter-increment        : linenum;
+  }
+  pre.codeline span.th {
+    display                  : table-cell;
+    user-select              : none;
+    -moz-user-select         : none;
+    -webkit-user-select      : none;
+    padding                  : 0.5em 0.5em;
+    /* background-color         : #666666; */
+  }
+  pre.codeline span.th::before {
+    content                  : counter(linenum) ".";
+    color                    : #999999;
+    text-align               : right;
+    display                  : block;
+  }
+  pre.codeline span.th {
+    width                    : 4em;
+  }
+  pre.codeline code {
+    display                  : table-cell;
+  }
+  p.code {
+    border-style             : none;
+  }
+#+END_SRC
+
+***** paragraph general
+
+#+name: css_light_shared
+#+BEGIN_SRC css
+  p.spaced { white-space     : pre; }
+  p.block {
+    white-space              : pre;
+  }
+  p.group { }
+  p.alt { }
+  p.verse {
+    white-space              : pre;
+    margin-bottom            : 6px;
+  }
+  p.caption {
+    text-align               : left;
+    font-size                : 80%%;
+    display                  : inline;
+  }
+  p.endnote {
+    font-size                : 96%%;
+    line-height              : 120%%;
+    text-align               : left;
+    margin-right             : 15mm;
+  }
+  p.endnote_indent {
+    font-size                : 96%%;
+    line-height              : 120%%;
+    text-align               : left;
+    margin-left              : 2em;
+    margin-right             : 15mm;
+  }
+  p.center {
+    text-align               : center;
+  }
+  p.bold {
+    font-weight              : bold;
+  }
+  p.bold_left {
+    font-weight              : bold;
+    text-align               : left;
+  }
+  p.centerbold {
+    text-align               : center;
+    font-weight              : bold;
+  }
+  p.em {
+    font-weight              : bold;
+    font-style               : normal;
+    background               : #FFF3B6;
+  }
+  p.small {
+    font-size                : 80%%;
+    margin-top               : 0px;
+    margin-bottom            : 0px;
+    margin-right             : 6px;
+    text-align               : left;
+  }
+  .tiny, .tiny_left, .tiny_right, .tiny_center {
+    font-size                : 10px;
+    margin-top               : 0px;
+    margin-bottom            : 0px;
+    color                    : #777777;
+    margin-right             : 6px;
+    text-align               : left;
+  }
+  p.tiny { }
+  p.tiny_left {
+    margin-left              : 0px;
+    margin-right             : 0px;
+    text-align               : left;
+  }
+  p.tiny_right {
+    margin-right             : 1em;
+    text-align               : right;
+  }
+  p.tiny_center {
+    margin-left              : 0px;
+    margin-right             : 0px;
+    text-align               : center;
+  }
+  p.concordance_word {
+    line-height              : 150%%;
+    font-weight              : bold;
+    display                  : inline;
+    margin-top               : 4px;
+    margin-bottom            : 1px;
+  }
+  p.concordance_count {
+    font-size                : 80%%;
+    color                    : #777777;
+    display                  : inline;
+    margin-left              : 0em;
+  }
+  p.concordance_object {
+    font-size                : 80%%;
+    line-height              : 120%%;
+    text-align               : left;
+    margin-left              : 3em;
+    margin-top               : 1px;
+    margin-bottom            : 3px;
+  }
+  p.book_index_lev1 {
+    line-height              : 100%%;
+    margin-top               : 4px;
+    margin-bottom            : 1px;
+  }
+  p.book_index_lev2 {
+    line-height              : 100%%;
+    text-align               : left;
+    margin-left              : 3em;
+    margin-top               : 1px;
+    margin-bottom            : 3px;
+  }
+  tt {
+    font-family              : inconsolata, "liberation mono", "bitstream vera mono", "dejavu mono", monaco, consolas, "andale mono", "courier new", "courier 10 pitch", courier, monospace;
+    background-color         : #EEEEEE;
+    color                    : #000000;
+  }
+#+END_SRC
+
+***** paragraph indent
+
+#+name: css_light_shared
+#+BEGIN_SRC css
+%s
+#+END_SRC
+
+***** misc including tables & lists
+
+#+name: css_light_shared
+#+BEGIN_SRC css
+  note { white-space         : pre; }
+  label.ocn {
+    width                    : 2%%;
+    float                    : right;
+    top                      : 0;
+    font-size                : 10px;
+    margin-top               : 0px;
+    margin-bottom            : 5px;
+    margin-right             : 5px;
+    text-align               : right;
+    color                    : %s;
+    -khtml-user-select       : none;
+    -moz-user-select         : none;
+    -ms-user-select          : none;
+    -o-user-select           : none;
+    -webkit-user-select      : none;
+    user-select              : none;
+  }
+  table {
+    display                  : block;
+    margin-left              : 5%%;
+    margin-right             : 2em;
+    background-color         : inherit;
+  }
+  tr { }
+  th,td {
+    vertical-align           : top;
+    text-align               : left;
+  }
+  th {
+    font-weight              : bold;
+  }
+  em {
+    font-weight              : bold;
+    font-style               : italic;
+  }
+  p.left,th.left,td.left {
+    text-align               : left;
+  }
+  p.small_left,th.small_left,td.small_left {
+    text-align               : left;
+    font-size                : 80%%;
+  }
+  p.right,th.right,td.right {
+    text-align               : right;
+  }
+  ul, li {
+    list-style-type          : none;
+    list-style               : none;
+    padding-left             : 20px;
+    font-weight              : normal;
+    line-height              : 150%%;
+    text-align               : left;
+    text-indent              : 0mm;
+    margin-left              : 1em;
+    margin-right             : 2em;
+    margin-top               : 3px;
+    margin-bottom            : 3px;
+  }
+  li {
+    background               : url(../image_sys/bullet_09.png) no-repeat 0px 6px;
+  }
+  ul { }
+#+END_SRC
+
+***** headings
+
+#+name: css_light_shared
+#+BEGIN_SRC css
+  h0, h1, h2, h3, h4, h5, h6, h7 {
+    font-weight              : bold;
+    line-height              : 120%%;
+    text-align               : left;
+    margin-top               : 20px;
+    margin-bottom            : 10px;
+  }
+  h4.norm, h5.norm, h6.norm, h7.norm {
+    margin-top               : 10px;
+    margin-bottom            : 0px;
+  }
+  h0 { font-size             : 125%%; }
+  h1 { font-size             : 120%%; }
+  h2 { font-size             : 115%%; }
+  h3 { font-size             : 110%%; }
+  h4 { font-size             : 105%%; }
+  h5 { font-size             : 100%%; }
+  h6 { font-size             : 100%%; }
+  h7 { font-size             : 100%%; }
+  h0, h1, h2, h3, h4, h5, h6, h7 {
+    text-shadow              : .2em .2em .3em #808080;
+  }
+  h1.i { margin-left         : 2em; }
+  h2.i { margin-left         : 3em; }
+  h3.i { margin-left         : 4em; }
+  h4.i { margin-left         : 5em; }
+  h5.i { margin-left         : 6em; }
+  h6.i { margin-left         : 7em; }
+  h7.i { margin-left         : 8em; }
+  h8.i { margin-left         : 9em; }
+  h9.i { margin-left         : 10em; }
+  .toc {
+    font-weight              : normal;
+    margin-top               : 6px;
+    margin-bottom            : 6px;
+  }
+  h0.toc {
+    margin-left              : 1em;
+    font-size                : 120%%;
+    line-height              : 150%%;
+  }
+  h1.toc {
+    margin-left              : 1em;
+    font-size                : 115%%;
+    line-height              : 150%%;
+  }
+  h2.toc {
+    margin-left              : 2em;
+    font-size                : 110%%;
+    line-height              : 140%%;
+  }
+  h3.toc {
+    margin-left              : 3em;
+    font-size                : 105%%;
+    line-height              : 120%%;
+  }
+  h4.toc {
+    margin-left              : 4em;
+    font-size                : 100%%;
+    line-height              : 120%%;
+  }
+  h5.toc {
+    margin-left              : 5em;
+    font-size                : 95%%;
+    line-height              : 110%%;
+  }
+  h6.toc {
+    margin-left              : 6em;
+    font-size                : 90%%;
+    line-height              : 110%%;
+  }
+  h7.toc {
+    margin-left              : 7em;
+    font-size                : 85%%;
+    line-height              : 100%%;
+  }
+  .subtoc {
+    margin-right             : 34%%;
+    font-weight              : normal;
+  }
+  h5.subtoc {
+    margin-left              : 2em;
+    font-size                : 80%%;
+    margin-top               : 2px;
+    margin-bottom            : 2px;
+  }
+  h6.subtoc {
+    margin-left              : 3em;
+    font-size                : 75%%;
+    margin-top               : 0px;
+    margin-bottom            : 0px;
+  }
+  h7.subtoc {
+    margin-left              : 4em;
+    font-size                : 70%%;
+    margin-top               : 0px;
+    margin-bottom            : 0px;
+  }
+#+END_SRC
+
+*** html seg
+**** previous next
+
+#+name: css_light_html_seg
+#+BEGIN_SRC css
+  .icon-bar {
+    width                    : 100%%;
+    overflow                 : auto;
+    margin                   : 0em 0em 0em;
+  }
+  .left-bar {
+    width                    : 85%%;
+    float                    : left;
+    display                  : inline;
+    overflow                 : auto;
+  }
+  .toc-button {
+    position                 : absolute;
+    top                      : 8px;
+    width                    : 2em;
+    height                   : 2em;
+    border-radius            : 50%%;
+    background               : #CCCCCC;
+    fill                     : #333333;
+    box-shadow               : 0 2px 5px #AAAAAA inset;
+  }
+  .toc-button svg {
+    position                 : relative;
+    left                     : 25%%;
+    top                      : 25%%;
+    width                    : 150%%;
+    height                   : 150%%;
+  }
+  .toc-button p {
+    vertical-align           : center;
+    font-size                : 120%%;
+  }
+  .prev-next-button {
+    position                 : absolute;
+    top                      : 8px;
+    width                    : 2em;
+    height                   : 2em;
+    border-radius            : 50%%;
+    background               : #CCCCCC;
+    box-shadow               : 0 2px 5px #AAAAAA inset;
+  }
+  .prev-next-button svg {
+    position                 : relative;
+    left                     : 20%%;
+    top                      : 20%%;
+    width                    : 60%%;
+    height                   : 60%%;
+  }
+  .menu {
+    right                    : 6em;
+   }
+  .previous {
+    right                    : 3em;
+   }
+  .next {
+    right                    : 0em;
+   }
+  .arrow {
+    fill                     : #333333;
+  }
+  .minitoc {
+    line-height              : 100%%;
+    font-size                : 90%%;
+    margin-top               : 6px;
+    margin-bottom            : 0px;
+    padding-left             : 0em;
+    text-indent              : 0em;
+    -khtml-user-select       : none;
+    -moz-user-select         : none;
+    -ms-user-select          : none;
+    -o-user-select           : none;
+    -webkit-user-select      : none;
+    user-select              : none;
+  }
+#+END_SRC
+
+**** flex
+
+#+name: css_light_html_seg
+#+BEGIN_SRC css
+  /* flex */
+  .flex-menu-bar {
+    display                  : -webkit-flex;
+    display                  : flex;
+    -webkit-flex-wrap        : wrap;
+    -webkit-align-items      : center;
+    align-items              : center;
+    width                    : 100%%;
+    margin-left              : 5%%;
+    margin-right             : 2%%;
+    background-color         : #FFFFFF;
+  }
+  .flex-menu-option {
+    background-color         : #FFFFFF;
+    margin-right             : 4px;
+  }
+  .flex-list {
+    display                  : -webkit-flex;
+    display                  : flex;
+    -webkit-align-items      : center;
+    display                  : block;
+    align-items              : center;
+    width                    : 100%%;
+    background-color         : #FFFFFF;
+  }
+  .flex-list-item {
+    background-color         : #FFFFFF;
+    margin                   : 4px;
+  }
+#+END_SRC
+
+**** TODO grid
+
+Consider what if anything should be used here
+
+#+name: css_light_html_seg
+#+BEGIN_SRC css
+  /* grid */
+  .wrapper {
+    display                  : grid;
+    grid-template-columns    : 100%%;
+    grid-template-areas      :
+      "headband"
+      "doc_header"
+      "doc_title"
+      "doc_toc"
+      "doc_prefix"
+      "doc_intro"
+      "doc_body"
+      "doc_endnotes"
+      "doc_glossary"
+      "doc_biblio"
+      "doc_bookindex"
+      "doc_blurb"
+      "doc_suffix";
+    margin                   : 0px;
+    padding                  : 0px;
+    background-color         : #FFFFFF;
+  }
+  .delimit {
+    border-style             : none;
+    border-color             : #FFFFFF;
+    padding                  : 10px;
+  }
+  .headband {
+    grid-area                : headband;
+    background-color         : #FFFFFF;
+  }
+  .doc_header {
+    grid-area                : doc_header;
+  }
+  .doc_title {
+    grid-area                : doc_title;
+  }
+  .doc_toc {
+    grid-area                : doc_toc;
+  }
+  .doc_prefix {
+    grid-area                : doc_prefix;
+  }
+  .doc_intro {
+    grid-area                : doc_intro;
+  }
+  .doc_body {
+    grid-area                : doc_body;
+  }
+  .doc_endnotes {
+    grid-area                : doc_endnotes;
+  }
+  .doc_glossary {
+    grid-area                : doc_glossary;
+  }
+  .doc_biblio {
+    grid-area                : doc_biblio;
+  }
+  .doc_bookindex {
+    grid-area                : doc_bookindex;
+  }
+  .doc_blurb {
+    grid-area                : doc_blurb;
+  }
+  .doc_suffix {
+    grid-area                : doc_suffix;
+  }
+  .nav-ul {
+    list-style               : none;
+    float                    : left;
+  }
+  .nav-li {
+    float                    : left;
+    padding-right            : 0.7em;
+  }
+  .nav-li a {
+    text-decoration          : none;
+    color                    : #FFFFFF;
+  }
+  footer {
+    background-color         : #00704E;
+  }
+#+END_SRC
+
+*** html scroll
+**** flex
+
+#+name: css_light_html_scroll
+#+BEGIN_SRC css
+  /* flex */
+  .flex-menu-bar {
+    display                  : -webkit-flex;
+    display                  : flex;
+    -webkit-flex-wrap        : wrap;
+    -webkit-align-items      : center;
+    align-items              : center;
+    width                    : 100%%;
+    margin-left              : 5%%;
+    margin-right             : 2%%;
+    background-color         : #FFFFFF;
+  }
+  .flex-menu-option {
+    background-color         : #FFFFFF;
+    margin-right             : 4px;
+  }
+  .flex-list {
+    display                  : -webkit-flex;
+    display                  : flex;
+    -webkit-align-items      : center;
+    display                  : block;
+    align-items              : center;
+    width                    : 100%%;
+    background-color         : #FFFFFF;
+  }
+  .flex-list-item {
+    background-color         : #FFFFFF;
+    margin                   : 4px;
+  }
+#+END_SRC
+
+**** grid
+
+#+name: css_light_html_scroll
+#+BEGIN_SRC css
+  /* grid */
+  .wrapper {
+    display                  : grid;
+    grid-template-columns    : 100%%;
+    grid-template-areas      :
+      "headband"
+      "doc_header"
+      "doc_title"
+      "doc_toc"
+      "doc_prefix"
+      "doc_intro"
+      "doc_body"
+      "doc_endnotes"
+      "doc_glossary"
+      "doc_biblio"
+      "doc_bookindex"
+      "doc_blurb"
+      "doc_suffix";
+    margin                   : 0px;
+    padding                  : 0px;
+    background-color         : #FFFFFF;
+  }
+  .delimit {
+    border-style             : none;
+    border-color             : #FFFFFF;
+    padding                  : 10px;
+  }
+  .headband {
+    grid-area                : headband;
+    background-color         : #FFFFFF;
+  }
+  .doc_header {
+    grid-area                : doc_header;
+  }
+  .doc_title {
+    grid-area                : doc_title;
+  }
+  .doc_toc {
+    grid-area                : doc_toc;
+  }
+  .doc_prefix {
+    grid-area                : doc_prefix;
+  }
+  .doc_intro {
+    grid-area                : doc_intro;
+  }
+  .doc_body {
+    grid-area                : doc_body;
+  }
+  .doc_endnotes {
+    grid-area                : doc_endnotes;
+  }
+  .doc_glossary {
+    grid-area                : doc_glossary;
+  }
+  .doc_biblio {
+    grid-area                : doc_biblio;
+  }
+  .doc_bookindex {
+    grid-area                : doc_bookindex;
+  }
+  .doc_blurb {
+    grid-area                : doc_blurb;
+  }
+  .doc_suffix {
+    grid-area                : doc_suffix;
+  }
+  .nav-ul {
+    list-style               : none;
+    float                    : left;
+  }
+  .nav-li {
+    float                    : left;
+    padding-right            : 0.7em;
+  }
+  .nav-li a {
+    text-decoration          : none;
+    color                    : #FFFFFF;
+  }
+  footer {
+    background-color         : #00704E;
+  }
+#+END_SRC
+
+*** epub xhtml
+
+#+name: css_light_epub
+#+BEGIN_SRC css
+#+END_SRC
+
+** css dark theme
+*** html shared
+**** general
+
+#+name: css_dark_shared
+#+BEGIN_SRC css
+  *{
+    padding                  : 0px;
+    margin                   : 0px;
+  }
+  body {
+    height                   : 100vh;
+    background-color         : #000000;
+  }
+  body {
+    color                    : #CCCCCC;
+    background               : #000000;
+    background-color         : #000000;
+  }
+#+END_SRC
+
+**** link
+
+#+name: css_dark_shared
+#+BEGIN_SRC css
+  a:link {
+    color                    : #FFFFFF;
+    text-decoration          : none;
+  }
+  a:visited {
+    color                    : #999999;
+    text-decoration          : none;
+  }
+  a:hover {
+    color                    : #000000;
+    background-color         : #555555;
+  }
+  a.lnkocn:link {
+    color                    : %s;
+    text-decoration          : none;
+  }
+  a.lnkocn:visited {
+    color                    : #9ACD32;
+    text-decoration          : none;
+  }
+  a.lnkocn:hover {
+    color                    : #BBBBBB;
+    font-size                : 15px;
+  }
+  a:hover img {
+    background-color         : #000000;
+  }
+  a:active {
+    color                    : #888888;
+    text-decoration          : underline;
+  }
+#+END_SRC
+
+**** div
+
+#+name: css_dark_shared
+#+BEGIN_SRC css
+  div {
+    margin-left              : 0;
+    margin-right             : 0;
+  }
+  div.p {
+    margin-left              : 5%%;
+    margin-right             : 1%%;
+  }
+  div.substance {
+    width                    : 100%%;
+    background-color         : #000000;
+  }
+  div.ocn {
+    width                    : 5%%;
+    float                    : right;
+    top                      : 0;
+    background-color         : #000000;
+  }
+  div.endnote {
+    width                    : 95%%;
+    background-color         : #000000;
+  }
+  div.toc {
+    position                 : absolute;
+    float                    : left;
+    margin                   : 0;
+    padding                  : 0;
+    padding-top              : 0.5em;
+    border                   : 0;
+    width                    : 13em;
+    background-color         : #111111;
+    margin-right             : 1em;
+  }
+  div.summary {
+    margin                   : 0;
+    padding                  : 0;
+    border-left              : 13em solid #111111;
+    padding-left             : 1em;
+    background-color         : #111111;
+  }
+  div.content, div.main_column {
+    margin                   : 0;
+    padding                  : 0;
+    border-left              : 13em solid #000000;
+    padding-left             : 1em;
+    padding-right            : 1em;
+  }
+  div.content0, div.main_column0 {
+    margin                   : 0;
+    padding                  : 0;
+    border-left              : 0%% solid #000000;
+    padding-left             : 5%%;
+  }
+  div.scroll {
+    margin                   : 0;
+    padding                  : 0;
+    padding-left             : 1em;
+    padding-right            : 1em;
+  }
+  div.content:after {
+    content                  : ' ';
+    clear                    : both;
+    display                  : block;
+    height                   : 0;
+    overflow                 : hidden;
+  }
+  div.footer {
+    clear                    : left;
+    padding                  : 0.5em;
+    font-size                : 80%%;
+    margin                   : 0;
+  }
+  div.toc ul {
+    list-style               : none;
+    padding                  : 0;
+    margin                   : 0;
+  }
+  div.toc li ul a, li ul span.currentlink
+  {
+    font-weight              : normal;
+    font-size                : 90%%;
+    padding-left             : 2em;
+    background-color         : #111111;
+  }
+  div.toc a, span.currentlink{
+    display                  : block;
+    text-decoration          : none;
+    padding-left             : 0.5em;
+    color                    : #FF00AA;
+  }
+  hr {
+    width                    : 90%%;
+    margin-left              : 5%%;
+    margin-right             : 2em;
+    margin-top               : 1.8em;
+    margin-bottom            : 1.8em;
+  }
+  span.currentlink {
+    text-decoration          : none;
+    background-color         : #AAAAF9;
+  }
+  div.toc a:visited {
+    color                    : #FF00AA;
+  }
+  div.toc a:hover {
+    color                    : #CCCCCC;
+    background-color         : #F9F9AA;
+  }
+  nav#toc ol {
+    list-style-type          : none;
+  }
+#+END_SRC
+
+**** paragraphs headings blocks
+***** misc
+
+#+name: css_dark_shared
+#+BEGIN_SRC css
+  .norm, .bold, .verse, .group, .block, .alt {
+    line-height              : 133%%;
+    margin-top               : 12px;
+    margin-bottom            : 0px;
+    padding-left             : 0em;
+    text-indent              : 0em;
+  }
+  p, h0, h1, h2, h3, h4, h5, h6, h7, ul, li {
+    display                  : block;
+    font-family              : verdana, arial, georgia, tahoma, sans-serif, helvetica, times, roman;
+    margin-left              : 5%%;
+    margin-right             : 2em;
+  }
+  p {
+    font-size                : 100%%;
+    font-weight              : normal;
+    line-height              : 133%%;
+    text-align               : justify;
+    text-indent              : 0mm;
+    margin-top               : 0.8em;
+    margin-bottom            : 0.8em;
+  }
+#+END_SRC
+
+#+name: css_dark_shared
+#+BEGIN_SRC css
+  img {
+    max-width                : 100%%;
+    height                   : auto;
+  }
+#+END_SRC
+
+***** code block
+
+#+name: css_dark_shared
+#+BEGIN_SRC css
+  pre {
+    width                    : auto;
+    display                  : block;
+    clear                    : both;
+    color                    : #555555;
+  }
+  pre.codeline {
+    display                  : table;
+    clear                    : both;
+    table-layout             : fixed;
+    margin-left              : 5%%;
+    margin-right             : 5%%;
+    width                    : 90%%;
+    white-space              : pre-wrap;
+    border-style             : none;
+    border-radius            : 5px 5px 5px 5px;
+    box-shadow               : 0 2px 5px #AAAAAA inset;
+    margin-bottom            : 1em;
+    padding                  : 0.5em 1em;
+    page-break-inside        : avoid;
+    word-wrap                : break-word;
+    font-family              : inconsolata, "liberation mono", "bitstream vera mono", "dejavu mono", monaco, consolas, "andale mono", "courier new", "courier 10 pitch", courier, monospace;
+    white-space              : pre;
+    white-space              : pre-wrap;
+    white-space              : -moz-pre-wrap;
+    white-space              : -o-pre-wrap;
+    background-color         : #555555;
+    color                    : #DDDDDD;
+    font-size                : 95%%;
+    line-height              : 100%%;
+  }
+  pre.codeline::before {
+    counter-reset            : linenum;
+  }
+  pre.codeline span.tr {
+    display                  : table-row;
+    counter-increment        : linenum;
+  }
+  pre.codeline span.th {
+    display                  : table-cell;
+    user-select              : none;
+    -moz-user-select         : none;
+    -webkit-user-select      : none;
+    padding                  : 0.5em 0.5em;
+  }
+  pre.codeline span.th::before {
+    content                  : counter(linenum) ".";
+    color                    : #999999;
+    text-align               : right;
+    display                  : block;
+  }
+  pre.codeline span.th {
+    width                    : 4em;
+  }
+  pre.codeline code {
+    display                  : table-cell;
+  }
+  p.code {
+    border-style             : none;
+  }
+#+END_SRC
+
+***** paragraph general
+
+#+name: css_dark_shared
+#+BEGIN_SRC css
+  p.spaced { white-space     : pre; }
+  p.block {
+    white-space              : pre;
+  }
+  p.group { }
+  p.alt { }
+  p.verse {
+    white-space              : pre;
+    margin-bottom            : 6px;
+  }
+  p.caption {
+    text-align               : left;
+    font-size                : 80%%;
+    display                  : inline;
+  }
+  p.endnote {
+    font-size                : 96%%;
+    line-height              : 120%%;
+    text-align               : left;
+    margin-right             : 15mm;
+  }
+  p.endnote_indent {
+    font-size                : 96%%;
+    line-height              : 120%%;
+    text-align               : left;
+    margin-left              : 2em;
+    margin-right             : 15mm;
+  }
+  p.center {
+    text-align               : center;
+  }
+  p.bold {
+    font-weight              : bold;
+  }
+  p.bold_left {
+    font-weight              : bold;
+    text-align               : left;
+  }
+  p.centerbold {
+    text-align               : center;
+    font-weight              : bold;
+  }
+  p.em {
+    font-weight              : bold;
+    font-style               : normal;
+    background               : #FFF3B6;
+  }
+  p.small {
+    font-size                : 80%%;
+    margin-top               : 0px;
+    margin-bottom            : 0px;
+    margin-right             : 6px;
+    text-align               : left;
+  }
+  .tiny, .tiny_left, .tiny_right, .tiny_center {
+    font-size                : 10px;
+    margin-top               : 0px;
+    margin-bottom            : 0px;
+    color                    : #EEEEEE;
+    margin-right             : 6px;
+    text-align               : left;
+  }
+  p.tiny { }
+  p.tiny_left {
+    margin-left              : 0px;
+    margin-right             : 0px;
+    text-align               : left;
+  }
+  p.tiny_right {
+    margin-right             : 1em;
+    text-align               : right;
+  }
+  p.tiny_center {
+    margin-left              : 0px;
+    margin-right             : 0px;
+    text-align               : center;
+  }
+  p.concordance_word {
+    line-height              : 150%%;
+    font-weight              : bold;
+    display                  : inline;
+    margin-top               : 4px;
+    margin-bottom            : 1px;
+  }
+  p.concordance_count {
+    font-size                : 80%%;
+    color                    : #555555;
+    display                  : inline;
+    margin-left              : 0em;
+  }
+  p.concordance_object {
+    font-size                : 80%%;
+    line-height              : 120%%;
+    text-align               : left;
+    margin-left              : 3em;
+    margin-top               : 1px;
+    margin-bottom            : 3px;
+  }
+  p.book_index_lev1 {
+    line-height              : 100%%;
+    margin-top               : 4px;
+    margin-bottom            : 1px;
+  }
+  p.book_index_lev2 {
+    line-height              : 100%%;
+    text-align               : left;
+    margin-left              : 3em;
+    margin-top               : 1px;
+    margin-bottom            : 3px;
+  }
+  tt {
+    font-family              : inconsolata, "liberation mono", "bitstream vera mono", "dejavu mono", monaco, consolas, "andale mono", "courier new", "courier 10 pitch", courier, monospace;
+    background-color         : #555555;
+    color                    : #DDDDDD;
+  }
+#+END_SRC
+
+***** paragraph indent
+
+#+name: css_dark_shared
+#+BEGIN_SRC css
+%s
+#+END_SRC
+
+***** misc including tables & lists
+
+#+name: css_dark_shared
+#+BEGIN_SRC css
+  note { white-space         : pre; }
+  label.ocn {
+    width                    : 2%%;
+    float                    : right;
+    top                      : 0;
+    font-size                : 10px;
+    margin-top               : 0px;
+    margin-bottom            : 5px;
+    margin-right             : 5px;
+    text-align               : right;
+    color                    : %s;
+    -khtml-user-select       : none;
+    -moz-user-select         : none;
+    -ms-user-select          : none;
+    -o-user-select           : none;
+    -webkit-user-select      : none;
+    user-select              : none;
+  }
+  table {
+    display                  : block;
+    margin-left              : 5%%;
+    margin-right             : 2em;
+    background-color         : inherit;
+  }
+  tr { }
+  th,td {
+    vertical-align           : top;
+    text-align               : left;
+  }
+  th {
+    font-weight              : bold;
+  }
+  em {
+    font-weight              : bold;
+    font-style               : italic;
+  }
+  p.left,th.left,td.left {
+    text-align               : left;
+  }
+  p.small_left,th.small_left,td.small_left {
+    text-align               : left;
+    font-size                : 80%%;
+  }
+  p.right,th.right,td.right {
+    text-align               : right;
+  }
+  ul, li {
+    list-style-type          : none;
+    list-style               : none;
+    padding-left             : 20px;
+    font-weight              : normal;
+    line-height              : 150%%;
+    text-align               : left;
+    text-indent              : 0mm;
+    margin-left              : 1em;
+    margin-right             : 2em;
+    margin-top               : 3px;
+    margin-bottom            : 3px;
+  }
+  li {
+    background               : (../image_sys/bullet_09.png) no-repeat 0px 6px;
+  }
+  ul { }
+#+END_SRC
+
+***** headings
+
+#+name: css_dark_shared
+#+BEGIN_SRC css
+  h0, h1, h2, h3, h4, h5, h6, h7 {
+    font-weight              : bold;
+    line-height              : 120%%;
+    text-align               : left;
+    margin-top               : 20px;
+    margin-bottom            : 10px;
+  }
+  h4.norm, h5.norm, h6.norm, h7.norm {
+    margin-top               : 10px;
+    margin-bottom            : 0px;
+  }
+  h0 { font-size             : 125%%; }
+  h1 { font-size             : 120%%; }
+  h2 { font-size             : 115%%; }
+  h3 { font-size             : 110%%; }
+  h4 { font-size             : 105%%; }
+  h5 { font-size             : 100%%; }
+  h6 { font-size             : 100%%; }
+  h7 { font-size             : 100%%; }
+  h0, h1, h2, h3, h4, h5, h6, h7 {
+    text-shadow              : .2em .2em .3em #999999;
+  }
+  h1.i { margin-left         : 2em; }
+  h2.i { margin-left         : 3em; }
+  h3.i { margin-left         : 4em; }
+  h4.i { margin-left         : 5em; }
+  h5.i { margin-left         : 6em; }
+  h6.i { margin-left         : 7em; }
+  h7.i { margin-left         : 8em; }
+  h8.i { margin-left         : 9em; }
+  h9.i { margin-left         : 10em; }
+  .toc {
+    font-weight              : normal;
+    margin-top               : 6px;
+    margin-bottom            : 6px;
+  }
+  h0.toc {
+    margin-left              : 1em;
+    font-size                : 120%%;
+    line-height              : 150%%;
+  }
+  h1.toc {
+    margin-left              : 1em;
+    font-size                : 115%%;
+    line-height              : 150%%;
+  }
+  h2.toc {
+    margin-left              : 2em;
+    font-size                : 110%%;
+    line-height              : 140%%;
+  }
+  h3.toc {
+    margin-left              : 3em;
+    font-size                : 105%%;
+    line-height              : 120%%;
+  }
+  h4.toc {
+    margin-left              : 4em;
+    font-size                : 100%%;
+    line-height              : 120%%;
+  }
+  h5.toc {
+    margin-left              : 5em;
+    font-size                : 95%%;
+    line-height              : 110%%;
+  }
+  h6.toc {
+    margin-left              : 6em;
+    font-size                : 90%%;
+    line-height              : 110%%;
+  }
+  h7.toc {
+    margin-left              : 7em;
+    font-size                : 85%%;
+    line-height              : 100%%;
+  }
+  .subtoc {
+    margin-right             : 34%%;
+    font-weight              : normal;
+  }
+  h5.subtoc {
+    margin-left              : 2em;
+    font-size                : 80%%;
+    margin-top               : 2px;
+    margin-bottom            : 2px;
+  }
+  h6.subtoc {
+    margin-left              : 3em;
+    font-size                : 75%%;
+    margin-top               : 0px;
+    margin-bottom            : 0px;
+  }
+  h7.subtoc {
+    margin-left              : 4em;
+    font-size                : 70%%;
+    margin-top               : 0px;
+    margin-bottom            : 0px;
+  }
+#+END_SRC
+
+*** html seg
+**** previous next
+
+#+name: css_dark_html_seg
+#+BEGIN_SRC css
+  .icon-bar {
+    width                    : 100%%;
+    overflow                 : auto;
+    margin                   : 0em 0em 0em;
+  }
+  .left-bar {
+    width                    : 85%%;
+    float                    : left;
+    display                  : inline;
+    overflow                 : auto;
+  }
+  .toc-button {
+    position                 : absolute;
+    top                      : 8px;
+    width                    : 2em;
+    height                   : 2em;
+    border-radius            : 50%%;
+    background               : #555555;
+    fill                     : #DDDDDD;
+    box-shadow               : 0 2px 5px #EEEEEE inset;
+  }
+  .toc-button svg {
+    position                 : relative;
+    left                     : 25%%;
+    top                      : 25%%;
+    width                    : 150%%;
+    height                   : 150%%;
+  }
+  .toc-button p {
+    vertical-align           : center;
+    font-size                : 120%%;
+  }
+  .prev-next-button {
+    position                 : absolute;
+    top                      : 8px;
+    width                    : 2em;
+    height                   : 2em;
+    border-radius            : 50%%;
+    background               : #555555;
+    box-shadow               : 0 2px 5px #AAAAAA inset;
+  }
+  .prev-next-button svg {
+    position                 : relative;
+    left                     : 20%%;
+    top                      : 20%%;
+    width                    : 60%%;
+    height                   : 60%%;
+  }
+  .menu {
+    right                    : 6em;
+   }
+  .previous {
+    right                    : 3em;
+   }
+  .next {
+    right                    : 0em;
+   }
+  .arrow {
+     fill                    : #DDDDDD;
+  }
+  .minitoc {
+    line-height              : 100%%;
+    font-size                : 90%%;
+    margin-top               : 6px;
+    margin-bottom            : 0px;
+    padding-left             : 0em;
+    text-indent              : 0em;
+    -khtml-user-select       : none;
+    -moz-user-select         : none;
+    -ms-user-select          : none;
+    -o-user-select           : none;
+    -webkit-user-select      : none;
+    user-select              : none;
+  }
+#+END_SRC
+
+**** flex
+
+#+name: css_dark_html_seg
+#+BEGIN_SRC css
+  /* flex */
+  .flex-menu-bar {
+    display                  : -webkit-flex;
+    display                  : flex;
+    -webkit-flex-wrap        : wrap;
+    -webkit-align-items      : center;
+    align-items              : center;
+    width                    : 100%%;
+    margin-left              : 5%%;
+    margin-right             : 2%%;
+    background-color         : #000000;
+  }
+  .flex-menu-option {
+    background-color         : #000000;
+    margin-right             : 4px;
+  }
+  .flex-list {
+    display                  : -webkit-flex;
+    display                  : flex;
+    -webkit-align-items      : center;
+    display                  : block;
+    align-items              : center;
+    width                    : 100%%;
+    background-color         : #000000;
+  }
+  .flex-list-item {
+    background-color         : #000000;
+    margin                   : 4px;
+  }
+#+END_SRC
+
+**** TODO grid
+
+Consider what if anything should be used here
+
+#+name: css_dark_html_seg
+#+BEGIN_SRC css
+  /* grid */
+  .wrapper {
+    display                  : grid;
+    grid-template-columns    : 100%%;
+    grid-template-areas      :
+      "headband"
+      "doc_header"
+      "doc_title"
+      "doc_toc"
+      "doc_prefix"
+      "doc_intro"
+      "doc_body"
+      "doc_endnotes"
+      "doc_glossary"
+      "doc_biblio"
+      "doc_bookindex"
+      "doc_blurb"
+      "doc_suffix";
+    margin                   : 0px;
+    padding                  : 0px;
+    background-color         : #000000;
+  }
+  .delimit {
+    border-style             : none;
+    border-color             : #000000;
+    padding                  : 10px;
+  }
+  .headband {
+    grid-area                : headband;
+    background-color         : #000000;
+  }
+  .doc_header {
+    grid-area                : doc_header;
+  }
+  .doc_title {
+    grid-area                : doc_title;
+  }
+  .doc_toc {
+    grid-area                : doc_toc;
+  }
+  .doc_prefix {
+    grid-area                : doc_prefix;
+  }
+  .doc_intro {
+    grid-area                : doc_intro;
+  }
+  .doc_body {
+    grid-area                : doc_body;
+  }
+  .doc_endnotes {
+    grid-area                : doc_endnotes;
+  }
+  .doc_glossary {
+    grid-area                : doc_glossary;
+  }
+  .doc_biblio {
+    grid-area                : doc_biblio;
+  }
+  .doc_bookindex {
+    grid-area                : doc_bookindex;
+  }
+  .doc_blurb {
+    grid-area                : doc_blurb;
+  }
+  .doc_suffix {
+    grid-area                : doc_suffix;
+  }
+  .nav-ul {
+    list-style               : none;
+    float                    : left;
+  }
+  .nav-li {
+    float                    : left;
+    padding-right            : 0.7em;
+  }
+  .nav-li a {
+    text-decoration          : none;
+    color                    : #000000;
+  }
+  footer {
+    background-color         : #FF704E;
+  }
+#+END_SRC
+
+*** html scroll
+**** flex
+
+#+name: css_dark_html_scroll
+#+BEGIN_SRC css
+  /* flex */
+  .flex-menu-bar {
+    display                  : -webkit-flex;
+    display                  : flex;
+    -webkit-flex-wrap        : wrap;
+    -webkit-align-items      : center;
+    align-items              : center;
+    width                    : 100%%;
+    margin-left              : 5%%;
+    margin-right             : 2%%;
+    background-color         : #000000;
+  }
+  .flex-menu-option {
+    background-color         : #000000;
+    margin-right             : 4px;
+  }
+  .flex-list {
+    display                  : -webkit-flex;
+    display                  : flex;
+    -webkit-align-items      : center;
+    display                  : block;
+    align-items              : center;
+    width                    : 100%%;
+    background-color         : #000000;
+  }
+  .flex-list-item {
+    background-color         : #000000;
+    margin                   : 4px;
+  }
+#+END_SRC
+
+**** grid
+
+#+name: css_dark_html_scroll
+#+BEGIN_SRC css
+  /* grid */
+  .wrapper {
+    display                  : grid;
+    grid-template-columns    : 100%%;
+    grid-template-areas      :
+      "headband"
+      "doc_header"
+      "doc_title"
+      "doc_toc"
+      "doc_prefix"
+      "doc_intro"
+      "doc_body"
+      "doc_endnotes"
+      "doc_glossary"
+      "doc_biblio"
+      "doc_bookindex"
+      "doc_blurb"
+      "doc_suffix";
+    margin                   : 0px;
+    padding                  : 0px;
+    background-color         : #000000;
+  }
+  .delimit {
+    border-style             : none;
+    border-color             : #000000;
+    padding                  : 10px;
+  }
+  .headband {
+    grid-area                : headband;
+    background-color         : #000000;
+  }
+  .doc_header {
+    grid-area                : doc_header;
+  }
+  .doc_title {
+    grid-area                : doc_title;
+  }
+  .doc_toc {
+    grid-area                : doc_toc;
+  }
+  .doc_prefix {
+    grid-area                : doc_prefix;
+  }
+  .doc_intro {
+    grid-area                : doc_intro;
+  }
+  .doc_body {
+    grid-area                : doc_body;
+  }
+  .doc_endnotes {
+    grid-area                : doc_endnotes;
+  }
+  .doc_glossary {
+    grid-area                : doc_glossary;
+  }
+  .doc_biblio {
+    grid-area                : doc_biblio;
+  }
+  .doc_bookindex {
+    grid-area                : doc_bookindex;
+  }
+  .doc_blurb {
+    grid-area                : doc_blurb;
+  }
+  .doc_suffix {
+    grid-area                : doc_suffix;
+  }
+  .nav-ul {
+    list-style               : none;
+    float                    : left;
+  }
+  .nav-li {
+    float                    : left;
+    padding-right            : 0.7em;
+  }
+  .nav-li a {
+    text-decoration          : none;
+    color                    : #000000;
+  }
+  footer {
+    background-color         : #FF704E;
+  }
+#+END_SRC
+
+*** epub xhtml
+
+#+name: css_dark_epub
+#+BEGIN_SRC css
+#+END_SRC
+
+** variables
+*** ocn (visible or hidden)
+
+#+name: css_insert_shared_insert_variable_ocn_color_values
+#+BEGIN_SRC css
+    string _color_ocn_light  = (doc_matters.opt.action.ocn_hidden) ? "#FFFFFF" : "#777777";
+    string _color_ocn_dark   = (doc_matters.opt.action.ocn_hidden) ? "#000000" : "#BBBBBB";
+#+END_SRC
+
+*** indent levels
+#+name: css_insert_shared_insert_variable_indent_values
+#+BEGIN_SRC css
+    string _css_indent = format(q"┃
+  /* indent */
+  p.norm { }
+  p.i1 { padding-left        : 1em; }
+  p.i2 { padding-left        : 2em; }
+  p.i3 { padding-left        : 3em; }
+  p.i4 { padding-left        : 4em; }
+  p.i5 { padding-left        : 5em; }
+  p.i6 { padding-left        : 6em; }
+  p.i7 { padding-left        : 7em; }
+  p.i8 { padding-left        : 8em; }
+  p.i9 { padding-left        : 9em; }
+  /* hanging indent */
+  p[indent="h0i0"] {
+    padding-left             : 0em;
+    text-indent              : 0em;
+  }
+  p[indent="h0i1"] {
+    padding-left             : 1em;
+    text-indent              : -1em;
+  }
+  p[indent="h0i2"] {
+    padding-left             : 2em;
+    text-indent              : -2em;
+  }
+  p[indent="h0i3"] {
+    padding-left             : 3em;
+    text-indent              : -3em;
+  }
+  p[indent="h0i4"] {
+    padding-left             : 4em;
+    text-indent              : -4em;
+  }
+  p[indent="h0i5"] {
+    padding-left             : 5em;
+    text-indent              : -5em;
+  }
+  p[indent="h0i6"] {
+    padding-left             : 6em;
+    text-indent              : -6em;
+  }
+  p[indent="h0i7"] {
+    padding-left             : 7em;
+    text-indent              : -7em;
+  }
+  p[indent="h0i8"] {
+    padding-left             : 8em;
+    text-indent              : -8em;
+  }
+  p[indent="h0i9"] {
+    padding-left             : 9em;
+    text-indent              : -9em;
+  }
+  p[indent="h1i0"] {
+    padding-left             : 0em;
+    text-indent              : 1em;
+  }
+  p[indent="h1i1"] {
+    padding-left             : 1em;
+    text-indent              : 0em;
+  }
+  p[indent="h1i2"] {
+    padding-left             : 2em;
+    text-indent              : -1em;
+  }
+  p[indent="h1i3"] {
+    padding-left             : 3em;
+    text-indent              : -2em;
+  }
+  p[indent="h1i4"] {
+    padding-left             : 4em;
+    text-indent              : -3em;
+  }
+  p[indent="h1i5"] {
+    padding-left             : 5em;
+    text-indent              : -4em;
+  }
+  p[indent="h1i6"] {
+    padding-left             : 6em;
+    text-indent              : -5em;
+  }
+  p[indent="h1i7"] {
+    padding-left             : 7em;
+    text-indent              : -6em;
+  }
+  p[indent="h1i8"] {
+    padding-left             : 8em;
+    text-indent              : -7em;
+  }
+  p[indent="h1i9"] {
+    padding-left             : 9em;
+    text-indent              : -8em;
+  }
+  p[indent="h2i0"] {
+    padding-left             : 0em;
+    text-indent              : 2em;
+  }
+  p[indent="h2i1"] {
+    padding-left             : 1em;
+    text-indent              : 1em;
+  }
+  p[indent="h2i2"] {
+    padding-left             : 2em;
+    text-indent              : 0em;
+  }
+  p[indent="h2i3"] {
+    padding-left             : 3em;
+    text-indent              : -1em;
+  }
+  p[indent="h2i4"] {
+    padding-left             : 4em;
+    text-indent              : -2em;
+  }
+  p[indent="h2i5"] {
+    padding-left             : 5em;
+    text-indent              : -3em;
+  }
+  p[indent="h2i6"] {
+    padding-left             : 6em;
+    text-indent              : -4em;
+  }
+  p[indent="h2i7"] {
+    padding-left             : 7em;
+    text-indent              : -5em;
+  }
+  p[indent="h2i8"] {
+    padding-left             : 8em;
+    text-indent              : -6em;
+  }
+  p[indent="h2i9"] {
+    padding-left             : 9em;
+    text-indent              : -7em;
+  }
+  p[indent="h3i0"] {
+    padding-left             : 0em;
+    text-indent              : 3em;
+  }
+  p[indent="h3i1"] {
+    padding-left             : 1em;
+    text-indent              : 2em;
+  }
+  p[indent="h3i2"] {
+    padding-left             : 2em;
+    text-indent              : 1em;
+  }
+  p[indent="h3i3"] {
+    padding-left             : 3em;
+    text-indent              : 0em;
+  }
+  p[indent="h3i4"] {
+    padding-left             : 4em;
+    text-indent              : -1em;
+  }
+  p[indent="h3i5"] {
+    padding-left             : 5em;
+    text-indent              : -2em;
+  }
+  p[indent="h3i6"] {
+    padding-left             : 6em;
+    text-indent              : -3em;
+  }
+  p[indent="h3i7"] {
+    padding-left             : 7em;
+    text-indent              : -4em;
+  }
+  p[indent="h3i8"] {
+    padding-left             : 8em;
+    text-indent              : -5em;
+  }
+  p[indent="h3i9"] {
+    padding-left             : 9em;
+    text-indent              : -6em;
+  }
+  p[indent="h4i0"] {
+    padding-left             : 0em;
+    text-indent              : 4em;
+  }
+  p[indent="h4i1"] {
+    padding-left             : 1em;
+    text-indent              : 3em;
+  }
+  p[indent="h4i2"] {
+    padding-left             : 2em;
+    text-indent              : 2em;
+  }
+  p[indent="h4i3"] {
+    padding-left             : 3em;
+    text-indent              : 1em;
+  }
+  p[indent="h4i4"] {
+    padding-left             : 4em;
+    text-indent              : 0em;
+  }
+  p[indent="h4i5"] {
+    padding-left             : 5em;
+    text-indent              : -1em;
+  }
+  p[indent="h4i6"] {
+    padding-left             : 6em;
+    text-indent              : -2em;
+  }
+  p[indent="h4i7"] {
+    padding-left             : 7em;
+    text-indent              : -3em;
+  }
+  p[indent="h4i8"] {
+    padding-left             : 8em;
+    text-indent              : -4em;
+  }
+  p[indent="h4i9"] {
+    padding-left             : 9em;
+    text-indent              : -5em;
+  }
+  p[indent="h5i0"] {
+    padding-left             : 0em;
+    text-indent              : 5em;
+  }
+  p[indent="h5i1"] {
+    padding-left             : 1em;
+    text-indent              : 4em;
+  }
+  p[indent="h5i2"] {
+    padding-left             : 2em;
+    text-indent              : 3em;
+  }
+  p[indent="h5i3"] {
+    padding-left             : 3em;
+    text-indent              : 2em;
+  }
+  p[indent="h5i4"] {
+    padding-left             : 4em;
+    text-indent              : 1em;
+  }
+  p[indent="h5i5"] {
+    padding-left             : 5em;
+    text-indent              : 0em;
+  }
+  p[indent="h5i6"] {
+    padding-left             : 6em;
+    text-indent              : -1em;
+  }
+  p[indent="h5i7"] {
+    padding-left             : 7em;
+    text-indent              : -2em;
+  }
+  p[indent="h5i8"] {
+    padding-left             : 8em;
+    text-indent              : -3em;
+  }
+  p[indent="h5i9"] {
+    padding-left             : 9em;
+    text-indent              : -4em;
+  }
+  p[indent="h6i0"] {
+    padding-left             : 0em;
+    text-indent              : 6em;
+  }
+  p[indent="h6i1"] {
+    padding-left             : 1em;
+    text-indent              : 5em;
+  }
+  p[indent="h6i2"] {
+    padding-left             : 2em;
+    text-indent              : 4em;
+  }
+  p[indent="h6i3"] {
+    padding-left             : 3em;
+    text-indent              : 3em;
+  }
+  p[indent="h6i4"] {
+    padding-left             : 4em;
+    text-indent              : 2em;
+  }
+  p[indent="h6i5"] {
+    padding-left             : 5em;
+    text-indent              : 1em;
+  }
+  p[indent="h6i6"] {
+    padding-left             : 6em;
+    text-indent              : 0em;
+  }
+  p[indent="h6i7"] {
+    padding-left             : 7em;
+    text-indent              : -1em;
+  }
+  p[indent="h6i8"] {
+    padding-left             : 8em;
+    text-indent              : -2em;
+  }
+  p[indent="h6i9"] {
+    padding-left             : 9em;
+    text-indent              : -3em;
+  }
+  p[indent="h7i0"] {
+    padding-left             : 0em;
+    text-indent              : 7em;
+  }
+  p[indent="h7i1"] {
+    padding-left             : 1em;
+    text-indent              : 6em;
+  }
+  p[indent="h7i2"] {
+    padding-left             : 2em;
+    text-indent              : 5em;
+  }
+  p[indent="h7i3"] {
+    padding-left             : 3em;
+    text-indent              : 4em;
+  }
+  p[indent="h7i4"] {
+    padding-left             : 4em;
+    text-indent              : 3em;
+  }
+  p[indent="h7i5"] {
+    padding-left             : 5em;
+    text-indent              : 2em;
+  }
+  p[indent="h7i6"] {
+    padding-left             : 6em;
+    text-indent              : 1em;
+  }
+  p[indent="h7i7"] {
+    padding-left             : 7em;
+    text-indent              : 0em;
+  }
+  p[indent="h7i8"] {
+    padding-left             : 8em;
+    text-indent              : -1em;
+  }
+  p[indent="h7i9"] {
+    padding-left             : 9em;
+    text-indent              : -2em;
+  }
+  p[indent="h8i0"] {
+    padding-left             : 0em;
+    text-indent              : 8em;
+  }
+  p[indent="h8i1"] {
+    padding-left             : 1em;
+    text-indent              : 7em;
+  }
+  p[indent="h8i2"] {
+    padding-left             : 2em;
+    text-indent              : 6em;
+  }
+  p[indent="h8i3"] {
+    padding-left             : 3em;
+    text-indent              : 5em;
+  }
+  p[indent="h8i4"] {
+    padding-left             : 4em;
+    text-indent              : 4em;
+  }
+  p[indent="h8i5"] {
+    padding-left             : 5em;
+    text-indent              : 3em;
+  }
+  p[indent="h8i6"] {
+    padding-left             : 6em;
+    text-indent              : 2em;
+  }
+  p[indent="h8i7"] {
+    padding-left             : 7em;
+    text-indent              : 1em;
+  }
+  p[indent="h8i8"] {
+    padding-left             : 8em;
+    text-indent              : 0em;
+  }
+  p[indent="h8i9"] {
+    padding-left             : 9em;
+    text-indent              : -1em;
+  }
+  p[indent="h9i0"] {
+    padding-left             : 0em;
+    text-indent              : 9em;
+  }
+  p[indent="h9i1"] {
+    padding-left             : 1em;
+    text-indent              : 8em;
+  }
+  p[indent="h9i2"] {
+    padding-left             : 2em;
+    text-indent              : 7em;
+  }
+  p[indent="h9i3"] {
+    padding-left             : 3em;
+    text-indent              : 6em;
+  }
+  p[indent="h9i4"] {
+    padding-left             : 4em;
+    text-indent              : 5em;
+  }
+  p[indent="h9i5"] {
+    padding-left             : 5em;
+    text-indent              : 4em;
+  }
+  p[indent="h9i6"] {
+    padding-left             : 6em;
+    text-indent              : 3em;
+  }
+  p[indent="h9i7"] {
+    padding-left             : 7em;
+    text-indent              : 2em;
+  }
+  p[indent="h9i8"] {
+    padding-left             : 8em;
+    text-indent              : 1em;
+  }
+  p[indent="h9i9"] {
+    padding-left             : 9em;
+    text-indent              : 0em;
+  }
+┃");
+#+END_SRC
+
+* __END__
diff --git a/org/out_zip.org b/org/out_zip.org
new file mode 100644
index 0000000..3007412
--- /dev/null
+++ b/org/out_zip.org
@@ -0,0 +1,45 @@
+-*- mode: org -*-
+#+TITLE:       spine (doc_reform) output zip
+#+AUTHOR:      Ralph Amissah
+#+EMAIL:       [[mailto:ralph.amissah@gmail.com][ralph.amissah@gmail.com]]
+#+COPYRIGHT:   Copyright (C) 2015 - 2019 Ralph Amissah
+#+DESCRIPTION: documents - structuring, publishing in multiple formats & search
+#+KEYWORDS
+#+LANGUAGE:    en
+#+STARTUP:     indent content hideblocks hidestars
+#+OPTIONS:     H:3 num:nil toc:t \n:nil @:t ::t |:t ^:nil _:nil -:t f:t *:t <:t
+#+OPTIONS:     TeX:t LaTeX:t skip:nil d:nil todo:t pri:nil tags:not-in-toc
+#+OPTIONS:     author:nil email:nil creator:nil timestamp:nil
+#+PROPERTY:    header-args :padline no :exports code :cache no :noweb yes
+#+EXPORT_SELECT_TAGS:  export
+#+EXPORT_EXCLUDE_TAGS: noexport
+#+FILETAGS:            :spine:rel:output:
+#+TAGS: assert(a) class(c) debug(d) mixin(m) spine(s) tangle(T) template(t) WEB(W) noexport(n)
+
+- [[./spine.org][spine]]  [[./][org/]]
+- [[./output_hub.org][output_hub]]
+
+* _zip_                                     :module:spine:create_zip_file:
+** module template
+
+#+BEGIN_SRC d :tangle "../src/doc_reform/output/create_zip_file.d"
+module doc_reform.output.create_zip_file;
+template createZipFile() {
+  import std.file;
+  import std.outbuffer;
+  import std.string;
+  import std.zip;
+  void createZipFile(
+    string zip_file_name,
+    void[] compressed_zip_data,
+  ) {
+    try {
+      write(zip_file_name, compressed_zip_data);
+    } catch (ZipException ex) {
+      // Handle Errors
+    }
+  }
+}
+#+END_SRC
+
+* __END__
diff --git a/org/output_harvest_metadata.org b/org/output_harvest_metadata.org
deleted file mode 100644
index b2c7b1a..0000000
--- a/org/output_harvest_metadata.org
+++ /dev/null
@@ -1,862 +0,0 @@
--*- mode: org -*-
-#+TITLE:       spine (doc_manifest) metadata (multidocument) harvests
-#+DESCRIPTION: documents - structuring, various output representations & search
-#+FILETAGS:    :spine:hub:
-#+AUTHOR:      Ralph Amissah
-#+EMAIL:       [[mailto:ralph.amissah@gmail.com][ralph.amissah@gmail.com]]
-#+COPYRIGHT:   Copyright (C) 2015 - 2019 Ralph Amissah
-#+LANGUAGE:    en
-#+STARTUP:     indent content hideblocks hidestars
-#+OPTIONS:     H:3 num:nil toc:t \n:nil @:t ::t |:t ^:nil _:nil -:t f:t *:t <:t
-#+OPTIONS:     TeX:t LaTeX:t skip:nil d:nil todo:t pri:nil tags:not-in-toc
-#+OPTIONS:     author:nil email:nil creator:nil timestamp:nil
-#+PROPERTY:    header-args :results silent :padline no :exports code :cache no :noweb yes
-#+EXPORT_SELECT_TAGS:  export
-#+EXPORT_EXCLUDE_TAGS: noexport
-#+TAGS: assert(a) class(c) debug(d) mixin(m) spine(s) tangle(T) template(t) WEB(W) noexport(n)
-
-* document harvest _summary_         :module:spine:metadoc_show_summary:
-
-** _module template_ metadoc harvest
-
-#+BEGIN_SRC d :tangle "../src/doc_reform/meta/metadoc_harvest.d"
-module doc_reform.meta.metadoc_harvest;
-template DocReformMetaDocHarvest() {
-  auto DocReformMetaDocHarvest(T,H)(
-    T  doc_matters,
-    H  hvst,
-  ) {
-    <<metadoc_harvest_imports>>
-    mixin InternalMarkup;
-    <<metadoc_harvest_initialize>>
-    <<meta_metadoc_harvest>>
-  }
-}
-#+END_SRC
-
-** init
-*** imports
-
-#+name: metadoc_harvest_imports
-#+BEGIN_SRC d
-import
-  doc_reform.meta.defaults,
-  doc_reform.meta.rgx;
-import
-  std.array,
-  std.exception,
-  std.regex,
-  std.stdio,
-  std.string,
-  std.traits,
-  std.typecons,
-  std.uni,
-  std.utf,
-  std.conv : to;
-#+END_SRC
-
-*** initialize                                                     :report:
-
-#+name: metadoc_harvest_initialize
-#+BEGIN_SRC d
-auto markup = InlineMarkup();
-#+END_SRC
-
-** harvest summary
-
-#+name: meta_metadoc_harvest_summary
-#+BEGIN_SRC d
-auto min_repeat_number = 66;
-auto char_repeat_number = (doc_matters.conf_make_meta.meta.title_full.length
-  + doc_matters.conf_make_meta.meta.creator_author.length + 4);
-char_repeat_number = (char_repeat_number > min_repeat_number)
-? char_repeat_number
-: min_repeat_number;
-writefln(
-  "%s\n\"%s\", %s\n%s\n%s\n%s",
-  markup.repeat_character_by_number_provided("-", char_repeat_number),
-  doc_matters.conf_make_meta.meta.title_full,
-  doc_matters.conf_make_meta.meta.creator_author,
-  doc_matters.src.filename,
-  doc_matters.conf_make_meta.meta.classify_topic_register_arr,
-  markup.repeat_character_by_number_provided("-", char_repeat_number),
-);
-#+END_SRC
-
-** return harvest
-
-#+name: meta_metadoc_harvest
-#+BEGIN_SRC d
-import doc_reform.output.paths_output;
-auto pth_html_abs                  = DocReformPathsHTML!()(doc_matters.output_path, doc_matters.src.language);
-auto pth_html_rel                  = DocReformDocRootTreeHTML!()(doc_matters.src.language);
-hvst.harvest.title                 = doc_matters.conf_make_meta.meta.title_full;
-hvst.harvest.author                = doc_matters.conf_make_meta.meta.creator_author;
-hvst.harvest.author_surname        = doc_matters.conf_make_meta.meta.creator_author_surname;
-hvst.harvest.author_surname_fn     = doc_matters.conf_make_meta.meta.creator_author_surname_fn;
-hvst.harvest.author_arr            = doc_matters.conf_make_meta.meta.creator_author_arr;
-hvst.harvest.language_original     = doc_matters.conf_make_meta.meta.original_language;
-hvst.harvest.language              = doc_matters.src.language;
-hvst.harvest.uid                   = doc_matters.src.doc_uid;
-hvst.harvest.date_published        = doc_matters.conf_make_meta.meta.date_published;
-hvst.harvest.topic_register_arr    = doc_matters.conf_make_meta.meta.classify_topic_register_arr;
-hvst.harvest.path_html_scroll      = pth_html_rel.fn_scroll(doc_matters.src.filename);
-hvst.harvest.path_html_segtoc      = pth_html_rel.fn_seg(doc_matters.src.filename, "toc");
-hvst.harvest.path_abs_html_scroll  = pth_html_abs.fn_scroll(doc_matters.src.filename);
-hvst.harvest.path_abs_html_segtoc  = pth_html_abs.fn_seg(doc_matters.src.filename, "toc");
-return hvst.harvest;
-#+END_SRC
-
-** _module template_ metadoc harvest topics
-*** _module template_ metadoc harvest topics template
-
-#+BEGIN_SRC d :tangle "../src/doc_reform/meta/metadoc_harvests_topics.d"
-module doc_reform.meta.metadoc_harvests_topics;
-  import
-    std.algorithm,
-    std.array,
-    std.exception,
-    std.regex,
-    std.stdio,
-    std.string,
-    std.conv : to;
-  import
-    doc_reform.meta.defaults,
-    doc_reform.meta.rgx;
-  mixin DocReformHarvest;
-  mixin InternalMarkup;
-  mixin DocReformRgxInit;
-template DocReformMetaDocHarvestsTopics() {
-  auto mkup = InlineMarkup();
-  void DocReformMetaDocHarvestsTopics(H,M,O)(
-    H  hvst,
-    M  _make_and_meta_struct,
-    O  _opt_action,
-  ) {
-      <<harvested_topics>>
-<<harvested_html_themes>>
-<<harvested_topics_html_head_1>>
-<<harvested_html_head>>
-<<harvested_topics_html_head_2>>
-<<harvested_topics_html_head_theme>>
-      <<harvested_topics_html>>
-      topics
-<<harvested_html_bottom>>
-    <<harvested_topics_html_write>>
-  }
-}
-#+END_SRC
-
-*** order topic register
-
-#+NAME: harvested_topics
-#+BEGIN_SRC d
-auto min_repeat_number = 42;
-string[] _document_topic_register;
-string[] _topic_register;
-string[] _sub_topic_register;
-string[] topics = [];
-string _auth = "";
-foreach(k, doc_harvest; hvst.harvests) {
-  _topic_register = [];
-  foreach(topic; doc_harvest.topic_register_arr.sort) {
-    _sub_topic_register = [];
-    string _spaces;
-    string[] subject_tree = topic.split(mkup.sep);
-    switch (subject_tree.length) {
-    case 1:
-      hvst.subject_trees[subject_tree[0]]["_a"]["_a"]["_a"] ~= doc_harvest;
-      break;
-    case 2:
-      hvst.subject_trees[subject_tree[0]][subject_tree[1]]["_a"]["_a"] ~= doc_harvest;
-      break;
-    case 3:
-      hvst.subject_trees[subject_tree[0]][subject_tree[1]][subject_tree[2]]["_a"] ~= doc_harvest;
-      break;
-    case 4:
-      hvst.subject_trees[subject_tree[0]][subject_tree[1]][subject_tree[2]][subject_tree[3]] ~= doc_harvest;
-      break;
-    default:
-      break;
-    }
-    _topic_register ~= _sub_topic_register.join("\n");
-  }
-  auto char_repeat_number = (doc_harvest.title.length
-    + doc_harvest.author.length + 16);
-  char_repeat_number = (char_repeat_number > min_repeat_number)
-  ? char_repeat_number
-  : min_repeat_number;
-  _document_topic_register ~= format(
-    "\"%s\", %s%s\n%s",
-    doc_harvest.title,
-    doc_harvest.author,
-    (doc_harvest.date_published.length > 0) ? " (" ~ doc_harvest.date_published ~ ")" : "",
-    _topic_register.sort!("toUpper(a) < toUpper(b)", SwapStrategy.unstable).release.join("\n"),
-  );
-}
-#+END_SRC
-
-*** harvested topics html head
-
-#+NAME: harvested_topics_html_head_1
-#+BEGIN_SRC d
-      topics ~= format(q"┃<!DOCTYPE html>
-<html>
-<head>
-<meta charset="utf-8">
-<title>Metadata Harvest - Topics</title>
-#+END_SRC
-
-*** harvested topics html head
-
-#+NAME: harvested_topics_html_head_2
-#+BEGIN_SRC d
-</head>
-<body lang="en" xml:lang="en">
-<a name="top" id="top"></a>
-<a name="up" id="up"></a>
-<a name="start" id="start"></a>
-<h1>Metadata Harvest - Topics (output organised by language &amp; filetype)</h1>
-<p>[<a href="../../index.html">&nbsp;HOME&nbsp;</a>] also see <a href="authors.html">Metadata Harvest - Authors</a></p>
-<p><a href="#A">A</a>,&nbsp;<a href="#B">B</a>,&nbsp;<a href="#C">C</a>,&nbsp;<a href="#D">D</a>,&nbsp;<a href="#E">E</a>,&nbsp;<a href="#F">F</a>,&nbsp;<a href="#G">G</a>,&nbsp;<a href="#H">H</a>,&nbsp;<a href="#I">I</a>,&nbsp;<a href="#J">J</a>,&nbsp;<a href="#K">K</a>,&nbsp;<a href="#L">L</a>,&nbsp;<a href="#M">M</a>,&nbsp;<a href="#N">N</a>,&nbsp;<a href="#O">O</a>,&nbsp;<a href="#P">P</a>,&nbsp;<a href="#Q">Q</a>,&nbsp;<a href="#R">R</a>,&nbsp;<a href="#S">S</a>,&nbsp;<a href="#T">T</a>,&nbsp;<a href="#U">U</a>,&nbsp;<a href="#V">V</a>,&nbsp;<a href="#W">W</a>,&nbsp;<a href="#X">X</a>,&nbsp;<a href="#Y">Y</a>,&nbsp;<a href="#Z">Z</a>,&nbsp;
-<p></p>
-<hr />
-<p class="tiny"><a href="../../en/manifest/topics.html">English</a>&nbsp;&nbsp;&nbsp;</p>
-<hr />
-#+END_SRC
-
-*** harvested topics html head theme insert
-
-#+NAME: harvested_topics_html_head_theme
-#+BEGIN_SRC d
-┃",
-  _opt_action.css_theme_default ? theme_light_0 : theme_dark_0,
-  _opt_action.css_theme_default ? theme_light_1 : theme_dark_1,
-) ~ "\n";
-#+END_SRC
-
-*** harvested topics html
-
-#+NAME: harvested_topics_html
-#+BEGIN_SRC d
-char _prev_k = "_".to!char;
-int _kn;
-foreach(k0;
-  hvst.subject_trees.keys
-  .sort!("toUpper(a) < toUpper(b)", SwapStrategy.unstable)
-) {
-  if (k0.toUpper.to!(char[])[0] != _prev_k) {
-    topics ~= format(q"┃<p class="letter"><a name="%s">%s</a></p><p class="book_index_lev1"><a name="a"></a></p>┃",
-      k0.toUpper.to!(char[])[0],
-      k0.toUpper.to!(char[])[0],
-    );
-    _prev_k = k0.toUpper.to!(char[])[0];
-  }
-  if (k0 != "_a") {
-    topics ~= format(q"┃<p class="lev0"><a name="%s" class="lev0">%s</a></p>┃",
-      k0.translate([' ' : "_"]), k0,) ~ "\n";
-    if (_opt_action.very_verbose) {
-      writeln("", k0);
-    }
-    if ("_a" in hvst.subject_trees[k0]) {
-      foreach (t_a_;
-        hvst.subject_trees[k0]["_a"]["_a"]["_a"]
-        .multiSort!("toUpper(a.title) < toUpper(b.title)", "a.author < b.author", SwapStrategy.unstable)
-      ) {
-        _auth = [];
-        if (t_a_.author_arr.length < 2) {
-          _auth = format(q"┃ <a href="authors.html#%s">%s</a>┃",
-            t_a_.author_surname.translate([' ' : "_"]),
-            t_a_.author,
-          );
-        } else {
-          foreach (a; t_a_.author_arr) {
-            _auth ~= format(q"┃ <a href="authors.html#%s">%s</a>,┃",
-              t_a_.author_surname.translate([' ' : "_"]),
-              a,
-            );
-          }
-        }
-        topics ~= format(q"┃<p class="work"><a href="%s">"%s"</a> -%s┃",
-          t_a_.path_html_segtoc,
-          t_a_.title,
-          _auth,
-        ) ~ "\n";
-        if (_opt_action.very_verbose) {
-          writeln("- ", t_a_.title, " - ", t_a_.author);
-        }
-      }
-    }
-    foreach(k1;
-      hvst.subject_trees[k0].keys
-      .sort!("toUpper(a) < toUpper(b)", SwapStrategy.unstable)
-    ) {
-      if (k1 != "_a") {
-        topics ~= format(q"┃<p class="lev1"><a name="%s" class="lev1">%s</a></p>┃",
-          k1.translate([' ' : "_"]), k1,) ~ "\n";
-        if (_opt_action.very_verbose) {
-          writeln("  ", k1);
-        }
-        if ("_a" in hvst.subject_trees[k0][k1]) {
-          foreach (t_a_;
-            hvst.subject_trees[k0][k1]["_a"]["_a"]
-            .multiSort!("toUpper(a.title) < toUpper(b.title)", "a.author < b.author", SwapStrategy.unstable)
-          ) {
-            _auth = [];
-            if (t_a_.author_arr.length < 2) {
-              _auth = format(q"┃ <a href="authors.html#%s">%s</a>┃",
-                t_a_.author_surname.translate([' ' : "_"]),
-                t_a_.author,
-              );
-            } else {
-              foreach (a; t_a_.author_arr) {
-                _auth ~= format(q"┃ <a href="authors.html#%s">%s</a>,┃",
-                  t_a_.author_surname.translate([' ' : "_"]),
-                  a,
-                );
-              }
-            }
-            topics ~= format(q"┃<p class="work"><a href="%s">%s</a> -%s┃",
-              t_a_.path_html_segtoc,
-              t_a_.title,
-              _auth,
-            ) ~ "\n";
-            if (_opt_action.very_verbose) {
-              writeln("  - ", t_a_.title, " - ", t_a_.author);
-            }
-          }
-        }
-      }
-      foreach(k2;
-        hvst.subject_trees[k0][k1].keys
-        .sort!("toUpper(a) < toUpper(b)", SwapStrategy.unstable)
-      ) {
-        if (k2 != "_a") {
-          topics ~= format(q"┃<p class="lev2"><a name="%s" class="lev2">%s</a></p>┃",
-            k2.translate([' ' : "_"]), k2,) ~ "\n";
-          if (_opt_action.very_verbose) {
-            writeln("    ", k2);
-          }
-          if ("_a" in hvst.subject_trees[k0][k1][k2]) {
-            foreach (t_a_;
-              hvst.subject_trees[k0][k1][k2]["_a"]
-              .multiSort!("toUpper(a.title) < toUpper(b.title)", "a.author < b.author", SwapStrategy.unstable)
-            ) {
-              _auth = [];
-              if (t_a_.author_arr.length < 2) {
-                _auth = format(q"┃ <a href="authors.html#%s">%s</a>┃",
-                  t_a_.author_surname.translate([' ' : "_"]),
-                  t_a_.author,
-                );
-              } else {
-                foreach (a; t_a_.author_arr) {
-                  _auth ~= format(q"┃ <a href="authors.html#%s">%s</a>,┃",
-                    t_a_.author_surname.translate([' ' : "_"]),
-                    a,
-                  );
-                }
-              }
-              topics ~= format(q"┃<p class="work"><a href="%s">%s</a> -%s┃",
-                t_a_.path_html_segtoc,
-                t_a_.title,
-                _auth,
-              ) ~ "\n";
-              if (_opt_action.very_verbose) {
-                writeln("    - ", t_a_.title, " - ", t_a_.author);
-              }
-            }
-          }
-        }
-        foreach(k3;
-          hvst.subject_trees[k0][k1][k2].keys
-          .sort!("toUpper(a) < toUpper(b)", SwapStrategy.unstable)
-        ) {
-          if (k3 != "_a") {
-            topics ~= format(q"┃<p class="lev3"><a name="%s" class="lev3">%s</a></p>┃",
-              k3.translate([' ' : "_"]), k3,) ~ "\n";
-            if (_opt_action.very_verbose) {
-              writeln("      ", k3);
-            }
-            {
-              foreach (t_a_;
-                hvst.subject_trees[k0][k1][k2][k3]
-                .multiSort!("toUpper(a.title) < toUpper(b.title)", "a.author < b.author", SwapStrategy.unstable)
-              ) {
-                _auth = [];
-                if (t_a_.author_arr.length < 2) {
-                  _auth = format(q"┃<a href="authors.html#%s">%s</a>┃",
-                    t_a_.author_surname.translate([' ' : "_"]),
-                    t_a_.author,
-                  );
-                } else {
-                  foreach (a; t_a_.author_arr) {
-                    _auth ~= format(q"┃ <a href="authors.html#%s">%s</a>,┃",
-                      t_a_.author_surname.translate([' ' : "_"]),
-                      a,
-                    );
-                  }
-                }
-                topics ~= format(q"┃ <p class="work"><a href="%s">%s</a> -%s┃",
-                  t_a_.path_html_segtoc,
-                  t_a_.title,
-                  _auth,
-                ) ~ "\n";
-                if (_opt_action.very_verbose) {
-                  writeln("      - ", t_a_.title, " - ", t_a_.author);
-                }
-              }
-            }
-          }
-        }
-      }
-    }
-  }
-}
-#+END_SRC
-
-*** harvested topics write
-
-#+NAME: harvested_topics_html_write
-#+BEGIN_SRC d
-import doc_reform.output.paths_output;
-auto out_pth = DocReformPathsHTML!()(_make_and_meta_struct.conf.output_path, "");
-try {
-  auto f       = File(out_pth.harvest("topics.html"), "w");
-  foreach (o; topics) {
-    f.writeln(o);
-  }
-} catch (ErrnoException ex) {
-  // Handle error
-}
-#+END_SRC
-
-** _module template_ metadoc harvests authors
-*** _module template_ metadoc harvest authors
-
-#+BEGIN_SRC d :tangle "../src/doc_reform/meta/metadoc_harvests_authors.d"
-module doc_reform.meta.metadoc_harvests_authors;
-  import
-    std.algorithm,
-    std.array,
-    std.exception,
-    std.regex,
-    std.stdio,
-    std.string,
-    std.conv : to;
-  import
-    doc_reform.meta.defaults,
-    doc_reform.meta.rgx;
-  mixin DocReformHarvest;
-  mixin InternalMarkup;
-  mixin DocReformRgxInit;
-template DocReformMetaDocHarvestsAuthors() {
-  auto mkup = InlineMarkup();
-  void DocReformMetaDocHarvestsAuthors(H,M,O)(
-    H  harvests,
-    M  _make_and_meta_struct,
-    O  _opt_action,
-  ) {
-<<harvested_html_themes>>
-<<harvested_authors_html_head_1>>
-<<harvested_html_head>>
-<<harvested_authors_html_head_2>>
-<<harvested_authors_html_head_theme>>
-      authors
-<<harvested_html_bottom>>
-    <<harvested_authors_html_write>>
-  }
-}
-#+END_SRC
-
-*** harvested authors html head
-
-#+NAME: harvested_authors_html_head_1
-#+BEGIN_SRC d
-      string[] authors = [];
-      authors ~= format(q"┃
-<!DOCTYPE html>
-<html>
-<head>
-<meta charset="utf-8">
-<title>Metadata Harvest - Authors</title>
-#+END_SRC
-
-*** harvested authors html head
-
-#+NAME: harvested_authors_html_head_2
-#+BEGIN_SRC d
-</head>
-<body lang="en" xml:lang="en">
-<a name="top" id="top"></a>
-<a name="up" id="up"></a>
-<a name="start" id="start"></a>
-<h1>Metadata Harvest - Authors (output organised by language &amp; filetype)</h1>
-<p>[<a href="../../index.html">&nbsp;HOME&nbsp;</a>] also see <a href="topics.html">Metadata Harvest - Topics</a></p>
-<p></p>
-<hr />
-<p class="tiny"><a href="../../en/manifest/authors.html">English</a>&nbsp;&nbsp;&nbsp;</p>
-<hr />
-<p><a href="#A">A</a>,&nbsp;<a href="#B">B</a>,&nbsp;<a href="#C">C</a>,&nbsp;<a href="#D">D</a>,&nbsp;<a href="#E">E</a>,&nbsp;<a href="#F">F</a>,&nbsp;<a href="#G">G</a>,&nbsp;<a href="#H">H</a>,&nbsp;<a href="#I">I</a>,&nbsp;<a href="#J">J</a>,&nbsp;<a href="#K">K</a>,&nbsp;<a href="#L">L</a>,&nbsp;<a href="#M">M</a>,&nbsp;<a href="#N">N</a>,&nbsp;<a href="#O">O</a>,&nbsp;<a href="#P">P</a>,&nbsp;<a href="#Q">Q</a>,&nbsp;<a href="#R">R</a>,&nbsp;<a href="#S">S</a>,&nbsp;<a href="#T">T</a>,&nbsp;<a href="#U">U</a>,&nbsp;<a href="#V">V</a>,&nbsp;<a href="#W">W</a>,&nbsp;<a href="#X">X</a>,&nbsp;<a href="#Y">Y</a>,&nbsp;<a href="#Z">Z</a>,&nbsp;
-#+END_SRC
-
-*** harvested authors html theme inserts
-
-#+NAME: harvested_authors_html_head_theme
-#+BEGIN_SRC d
-┃",
-  _opt_action.css_theme_default ? theme_light_0 : theme_dark_0,
-  _opt_action.css_theme_default ? theme_light_1 : theme_dark_1,
-) ~ "\n";
-      string[string] _au;
-      string[] _auth_date_title;
-      string[] _author_date_title;
-      string _prev_auth = "";
-      char _prev_k = "_".to!char;
-      foreach(doc_harvest;
-        harvests
-        .multiSort!(
-          "toUpper(a.author_surname_fn) < toUpper(b.author_surname_fn)",
-          "a.date_published < b.date_published",
-          "a.title < b.title",
-          SwapStrategy.unstable
-        )
-      ) {
-        if (doc_harvest.author_surname_fn != _prev_auth) {
-          _au[doc_harvest.author_surname_fn]
-          = format(q"┃<p class="author"><a name="%s" class="lev0">%s</a></p> <p class="publication">%s "<a href="%s">%s</a>" [%s]</p>┃",
-            doc_harvest.author_surname.translate([' ' : "_"]),
-            doc_harvest.author_surname_fn,
-            (doc_harvest.date_published.length > 0)
-              ? doc_harvest.date_published : "",
-            doc_harvest.path_html_segtoc,
-            doc_harvest.title,
-            doc_harvest.language,
-          );
-          _prev_auth = doc_harvest.author_surname_fn;
-        } else {
-          _au[doc_harvest.author_surname_fn]
-          ~= format(q"┃<p class="publication">%s "<a href="%s">%s</a>" [%s]</p>┃",
-            (doc_harvest.date_published.length > 0)
-              ? doc_harvest.date_published : "",
-            doc_harvest.path_html_segtoc,
-            doc_harvest.title,
-            doc_harvest.language,
-          );
-        }
-        _author_date_title ~= format(q"┃%s %s "%s" [%s]%s┃",
-          doc_harvest.author_surname_fn,
-          (doc_harvest.date_published.length > 0)
-            ? "(" ~ doc_harvest.date_published ~ ")" : "",
-          doc_harvest.title,
-          doc_harvest.language,
-          (_opt_action.very_verbose) ? "\n  " ~ doc_harvest.path_abs_html_scroll : "",
-        );
-      }
-      foreach (k; _au.keys.sort) {
-        if (k.toUpper.to!(char[])[0] != _prev_k) {
-          authors ~= format(q"┃<p class="letter"><a name="%s">%s</a></p><p class="book_index_lev1"><a name="a"></a></p>┃",
-            k.toUpper.to!(char[])[0],
-            k.toUpper.to!(char[])[0],
-          );
-          _prev_k = k.toUpper.to!(char[])[0];
-        }
-        authors ~= _au[k];
-      }
-#+END_SRC
-
-*** harvested authors write
-
-#+NAME: harvested_authors_html_write
-#+BEGIN_SRC d
-import doc_reform.output.paths_output;
-auto out_pth = DocReformPathsHTML!()(_make_and_meta_struct.conf.output_path, "");
-try {
-  auto f       = File(out_pth.harvest("authors.html"), "w");
-  foreach (o; authors) {
-    f.writeln(o);
-  }
-} catch (ErrnoException ex) {
-  // Handle error
-}
-if (_opt_action.verbose
-  || _opt_action.very_verbose
-) {
-  foreach(_adt; _author_date_title.sort) {
-    writeln(_adt);
-  }
-}
-#+END_SRC
-
-** harvested authors & topics shared html
-*** themes
-**** head
-
-#+NAME: harvested_html_themes
-#+BEGIN_SRC d
-string theme_dark_0 = format(q"┃
-  body {
-    color                    : #CCCCCC;
-    background               : #000000;
-    background-color         : #000000;
-  }
-  a:link {
-    color                    : #FFFFFF;
-    text-decoration          : none;
-  }
-  a:visited {
-    color                    : #999999;
-    text-decoration          : none;
-  }
-  a:hover {
-    color                    : #000000;
-    background-color         : #555555;
-  }
-  a:hover img {
-    background-color         : #000000;
-  }
-  a:active {
-    color                    : #888888;
-    text-decoration          : underline;
-  }
-  a.lev0:hover {
-    color                    : #FFFFFF;
-    background-color         : #000000;
-  }
-  a.lev1:hover {
-    color                    : #FFFFFF;
-    background               : #333333;
-  }
-  a.lev2:hover {
-    color                    : #FFFFFF;
-    background               : #555555;
-  }
-  a.lev3:hover {
-    color                    : #FFFFFF;
-    background               : #777777;
-  }
-┃");
-string theme_light_0 = format(q"┃
-  body {
-    color                    : #000000;
-    background               : #FFFFFF;
-    background-color         : #FFFFFF;
-  }
-  a:link {
-    color                    : #003399;
-    text-decoration          : none;
-  }
-  a:visited {
-    color                    : #003399;
-    text-decoration          : none;
-  }
-  a:hover {
-    color                    : #000000;
-    background-color         : #f9f9aa;
-  }
-  a:hover img {
-    background-color         : #FFFFFF;
-  }
-  a:active {
-    color                    : #003399;
-    text-decoration          : underline;
-  }
-  a.lev0:hover {
-    color                    : #000000;
-    background-color         : #FFFFFF;
-  }
-  a.lev1:hover {
-    color                    : #FFFFFF;
-    background               : #444444;
-  }
-  a.lev2:hover {
-    background               : #888888;
-  }
-  a.lev3:hover {
-    background               : #BBBBBB;
-  }
-┃");
-#+END_SRC
-
-**** levels
-
-#+NAME: harvested_html_themes
-#+BEGIN_SRC d
-string theme_dark_1 = format(q"┃
-  h1 {
-    color                    : #FFFFFF;
-    background               : #000000;
-  }
-  p.letter {
-    color                    : #FFFFFF;
-    background               : #333333;
-  }
-  p.lev0 {
-    color                    : #FFFFFF;
-    background               : #000000;
-  }
-  p.lev1 {
-    color                    : #FFFFFF;
-    background               : #333333;
-  }
-  p.lev2 {
-    background               : #555555;
-  }
-  p.lev3 {
-    background               : #777777;
-  }
-  p.lev4 {
-    background               : #AAAAAA;
-  }
-  p.lev5 {
-  }
-┃");
-string theme_light_1 = format(q"┃
-  h1 {
-    color                    : #FFFFFF;
-    background               : #000088;
-  }
-  p.letter {
-    color                    : #FFFFFF;
-    background               : #880000;
-  }
-  p.lev0 {
-    color                    : #FFFFFF;
-    background               : #000000;
-  }
-  p.lev1 {
-    color                    : #FFFFFF;
-    background               : #444444;
-  }
-  p.lev2 {
-    background               : #888888;
-  }
-  p.lev3 {
-    background               : #BBBBBB;
-  }
-  p.lev4 {
-    background               : #EEEEEE;
-  }
-  p.lev5 {
-  }
-┃");
-#+END_SRC
-
-*** harvested html head
-
-#+NAME: harvested_html_head
-#+BEGIN_SRC d
-<meta http-equiv="Content-Type" content="text/html;charset=utf-8" />
-<meta name="dc.title" content= "metadata harvest, Authors & Topics - information Structuring Universe, Structured information Serialised Units" />
-<meta name="dc.subject" content= "document structuring, ebook, publishing, PDF, LaTeX, XML, ODF, SQL, postgresql, sqlite, electronic book, electronic publishing, electronic document, electronic citation, data structure, citation systems, granular search, digital library" />
-<meta name="generator" content="spine" />
-<link rel="generator" href="http://sisudoc.org" />
-<link href="./css/harvest.css" rel="stylesheet">
-<style TYPE="text/css">
-/* DocReform harvest css default stylesheet */%s
-  .norm, .bold {
-    line-height              : 150%%;
-    margin-left              : 1em;
-    margin-right             : 2em;
-    margin-top               : 10px;
-    margin-bottom            : 0px;
-    text-indent              : 0mm;
-  }
-  p, h0, h1, h2, h3, h4, h5, h6, h7 {
-    display                  : block;
-    font-family              : verdana, arial, georgia, tahoma, sans-serif, helvetica, times, roman;
-    font-size                : 100%%;
-    font-weight              : normal;
-    line-height              : 150%%;
-    /* text-align            : justify; */
-    margin-left              : 1em;
-    text-indent              : 0mm;
-    margin-top               : 2px;
-    margin-bottom            : 2px;
-    margin-right             : 6px;
-    text-align               : left;
-  }
-  h0, h1, h2, h3, h4, h5, h6, h7 { text-shadow: .2em .2em .3em #999999; }
-  h1 {
-    font-size                : 120%%;
-    font-weight              : bold;
-    color                    : #FFFFFF;
-    background               : #000088;
-    margin-left              : 0em;
-  }
-  p.work {
-    font-size                : 80%%;
-    margin-left              : 5em;
-    margin-top               : 0px;
-    margin-bottom            : 0px;
-    margin-right             : 6px;
-    text-align               : left;
-  }
-  p.author {
-    font-size                : 100%%;
-    margin-left              : 2em;
-    margin-top               : 0px;
-    margin-bottom            : 0px;
-    margin-right             : 6px;
-    text-align               : left;
-  }
-  p.publication {
-    font-size                : 80%%;
-    margin-left              : 4em;
-    margin-top               : 0px;
-    margin-bottom            : 0px;
-    margin-right             : 6px;
-    text-align               : left;
-  }
-  p.letter {
-    font-weight              : bold;
-    font-size                : 60%%;
-    margin-left              : 1em;
-    margin-top               : 0px;
-    margin-bottom            : 0px;
-    margin-right             : 6px;
-    text-align               : left;
-  }
-  p.lev0 {
-    font-size                : 120%%;
-    margin-left              : 1em;
-  }
-  p.lev1 {
-    font-size                : 110%%;
-    margin-left              : 2em;
-  }
-  p.lev2 {
-    font-size                : 100%%;
-    margin-left              : 3em;
-  }
-  p.lev3 {
-    font-size                : 90%%;
-    margin-left              : 4em;
-  }
-  p.lev4 {
-    font-size                : 80%%;
-    margin-left              : 5em;
-  }
-  p.lev5 {
-    font-size                : 80%%;
-    margin-left              : 6em;
-  }%s
-</style>
-<link rel="shortcut icon" href="../_sisu/image/rb7.ico" />
-#+END_SRC
-
-*** harvested html bottom
-
-#+NAME: harvested_html_bottom
-#+BEGIN_SRC d
-      ~= format(q"┃
-<hr />
-<a name="bottom" id="bottom"></a>
-<a name="down" id="down"></a>
-<a name="end" id="end"></a>
-<a name="finish" id="finish"></a>
-<a name="stop" id="stop"></a>
-<a name="credits"></a>
-</body>
-</html>
-┃") ~ "\n";
-#+END_SRC
diff --git a/org/output_latex.org b/org/output_latex.org
deleted file mode 100644
index f9c6d55..0000000
--- a/org/output_latex.org
+++ /dev/null
@@ -1,1879 +0,0 @@
--*- mode: org -*-
-#+TITLE:       spine (doc_reform) output latex
-#+DESCRIPTION: documents - structuring, publishing in multiple formats & search
-#+FILETAGS:    :spine:output:latex:pdf:
-#+AUTHOR:      Ralph Amissah
-#+EMAIL:       [[mailto:ralph.amissah@gmail.com][ralph.amissah@gmail.com]]
-#+COPYRIGHT:   Copyright (C) 2015 - 2019 Ralph Amissah
-#+LANGUAGE:    en
-#+STARTUP:     indent content hideblocks hidestars
-#+OPTIONS:     H:3 num:nil toc:t \n:nil @:t ::t |:t ^:nil _:nil -:t f:t *:t <:t
-#+OPTIONS:     TeX:t LaTeX:t skip:nil d:nil todo:t pri:nil tags:not-in-toc
-#+OPTIONS:     author:nil email:nil creator:nil timestamp:nil
-#+PROPERTY:    header-args :results silent :padline no :exports code :cache no :noweb yes
-#+EXPORT_SELECT_TAGS:  export
-
-- [[./spine.org][spine]]  [[./][org/]]
-- [[./output_hub.org][output_hub]]
-
-* latex
-** _module template_                                        :latex:pdf:module:
-
-#+BEGIN_SRC d :tangle "../src/doc_reform/output/latex.d" :noweb yes
-module doc_reform.output.latex;
-template outputLaTeX() {
-  <<output_latex_imports>>
-  mixin InternalMarkup; // watch
-  mixin DocReformOutputRgxInit;
-  auto rgx = Rgx();
-  mixin DocReformLanguageCodes;
-  auto lang = Lang();
-  <<output_latex_shared>>
-<<output_latex_shared_0>>
-  <<output_latex_head>>
-  <<output_latex_head_1_format_string>>
-<<output_latex_head_1_tex>>
-  <<output_latex_head_1_format_string_variables>>
-  <<output_latex_head_0_format_string>>
-<<output_latex_head_0_tex>>
-  <<output_latex_head_0_format_string_variables>>
-  <<output_latex_head_close>>
-  <<output_latex_body>>
-  <<output_latex_tail>>
-<<output_latex_tail_tex>>
-  <<output_latex_tail_close>>
-  <<output_latex>>
-}
-#+END_SRC
-
-** write latex output                                            :latex:out:
-
-#+name: output_latex
-#+BEGIN_SRC d
-void writeOutputLaTeX(T,M)(
-  const T    latex_content,
-        M    doc_matters,
-) {
-  auto pth_latex = DocReformPathsLaTeX(doc_matters);
-  try {
-    { /+ debug +/
-      if (doc_matters.opt.action.debug_do
-      && doc_matters.opt.action.verbose) {
-        writeln(latex_content.head);
-        writeln(latex_content.content);
-        writeln(latex_content.tail);
-      }
-    }
-    if (!exists(pth_latex.latex_path_stuff)) {
-      (pth_latex.latex_path_stuff).mkdirRecurse;
-    }
-    if (!(doc_matters.opt.action.quiet)) {
-      writeln(" ", pth_latex.latex_file_with_path);
-    }
-    auto f = File(pth_latex.latex_file_with_path, "w");
-    f.writeln(latex_content.head);
-    f.writeln(latex_content.content);
-    f.writeln(latex_content.tail);
-    foreach (image; doc_matters.srcs.image_list) {
-      auto fn_src_in = doc_matters.src.image_dir_path ~ "/" ~ image;
-      auto fn_src_out_file = pth_latex.latex_path_stuff ~ "/" ~ image;
-      if (exists(fn_src_in)) {
-        fn_src_in.copy(fn_src_out_file);
-      }
-    }
-  } catch (ErrnoException ex) {
-    // handle error
-  }
-}
-#+END_SRC
-
-** latex output hub [#A]                                     :latex:pdf:out:
-
-#+name: output_latex
-#+BEGIN_SRC d
-void outputLaTeX(D,M)(
-  const    D   doc_abstraction,
-           M   doc_matters,
-) {
-  struct LaTeX {
-    string head;
-    string content;
-    string tail;
-  }
-  auto latex           = LaTeX();
-  latex.head           = latex_head(doc_matters);
-  latex.content        = latex_body(doc_abstraction, doc_matters);
-  latex.tail           = latex_tail(doc_matters);
-  latex.writeOutputLaTeX(doc_matters);
-}
-#+END_SRC
-
-* stuff
-** output imports
-
-#+name: output_latex_imports
-#+BEGIN_SRC d
-import doc_reform.output;
-import
-  std.digest.sha,
-  std.file,
-  std.outbuffer,
-  std.uri,
-  std.conv : to;
-#+END_SRC
-
-** shared
-*** paper dimensions (struct)
-
-#+name: output_latex_shared
-#+BEGIN_SRC d
-    auto paper() {
-      struct PaperType {
-        auto a4() {
-          struct A4 {
-            auto portrait() {
-              struct V {
-                uint w      = 160;
-                uint h      = 228;
-                uint img_px = 450;
-              }
-              return V();
-            }
-            auto landscape() {
-              struct H {
-                uint w      = 238;
-                uint h      = 160;
-                uint img_px = 300;
-              }
-              return H();
-            }
-          }
-          return A4();
-        }
-        auto a5() {
-          struct A5 {
-            auto portrait() {
-              struct V {
-                uint w      = 112;
-                uint h      = 162;
-                uint img_px = 280;
-              }
-              return V();
-            }
-            auto landscape() {
-              struct H {
-                uint w      = 152;
-                uint h      = 100;
-                uint img_px = 190;
-              }
-              return H();
-            }
-          }
-          return A5();
-        }
-        auto b4() {
-          struct B4 {
-            auto portrait() {
-              struct V {
-                uint w      = 140;
-                uint h      = 204;
-                uint img_px = 356;
-              }
-              return V();
-            }
-            auto landscape() {
-              struct H {
-                uint w      = 200;
-                uint h      = 130;
-                uint img_px = 260;
-              }
-              return H();
-            }
-          }
-          return B4();
-        }
-        auto letter() {
-          struct Letter {
-            auto portrait() {
-              struct V {
-                uint w      = 166;
-                uint h      = 212;
-                uint img_px = 468;
-              }
-              return V();
-            }
-            auto landscape() {
-              struct H {
-                uint w      = 226;
-                uint h      = 166;
-                uint img_px = 290;
-              }
-              return H();
-            }
-          }
-          return Letter();
-        }
-        auto legal() {
-          struct Legal {
-            auto portrait() {
-              struct V {
-                uint w      = 168;
-                uint h      = 286;
-                uint img_px = 474;
-              }
-              return V();
-            }
-            auto landscape() {
-              struct H {
-                uint w      = 296;
-                uint h      = 166;
-                uint img_px = 420;
-              }
-              return H();
-            }
-          }
-          return Legal();
-        }
-      }
-      return PaperType();
-    }
-#+END_SRC
-
-*** latex \escape special characters
-**** general
-
-#+name: output_latex_shared
-#+BEGIN_SRC d
-string sp_char_esc(O)(
-  string      _txt,
-  const    O  obj,
-) {
-  string _unescape_sp_char_esc()(string _txt) {
-    _txt = _txt
-      .replaceAll(rgx.latex_special_char_escaped,
-        format(q"┃%s┃", "$1"))
-      .replaceAll(rgx.latex_special_char_escaped_braced,
-        format(q"┃%s┃", "$1"));
-    return _txt;
-  }
-  string _unescape_fontface_esc()(string _txt) {
-    _txt = _txt.replaceAll(rgx.latex_identify_inline_fontface,
-         format(q"┃%s%s┃", "$1", "$2"));
-    return _txt;
-  }
-  if (obj.metainfo.is_a != "code") {
-    _txt = replaceAll!(m => "\\" ~ m[1])(_txt, rgx.latex_special_char_for_escape);
-    _txt = replaceAll!(m => "{\\" ~ m[1] ~ "}")(_txt, rgx.latex_special_char_for_escape_and_braces);
-    _txt = replaceAll!(m => _unescape_sp_char_esc(m[0]))(_txt, rgx.latex_identify_inline_link);
-    _txt = replaceAll!(m => _unescape_fontface_esc(m[0]))(_txt, rgx.latex_identify_inline_fontface);
-  }
-  return _txt;
-}
-#+END_SRC
-
-#+name: output_latex_shared
-#+BEGIN_SRC d
-string sp_char_esc_txt()(
-  string      _txt,
-) {
-  string _unescape_sp_char_esc()(string _txt) {
-    _txt = _txt
-      .replaceAll(rgx.latex_special_char_escaped,
-        format(q"┃%s┃", "$1"))
-      .replaceAll(rgx.latex_special_char_escaped_braced,
-        format(q"┃%s┃", "$1"));
-    return _txt;
-  }
-  string _unescape_fontface_esc()(string _txt) {
-    _txt = _txt.replaceAll(rgx.latex_identify_inline_fontface,
-         format(q"┃%s%s┃", "$1", "$2"));
-    return _txt;
-  }
-  _txt = replaceAll!(m => "\\" ~ m[1])(_txt, rgx.latex_special_char_for_escape);
-  _txt = replaceAll!(m => "{\\" ~ m[1] ~ "}")(_txt, rgx.latex_special_char_for_escape_and_braces);
-  _txt = replaceAll!(m => _unescape_sp_char_esc(m[0]))(_txt, rgx.latex_identify_inline_link);
-  _txt = replaceAll!(m => _unescape_fontface_esc(m[0]))(_txt, rgx.latex_identify_inline_fontface);
-  return _txt;
-}
-#+END_SRC
-
-*** not used latex \escape special characters
-
-#+BEGIN_SRC d
-string sp_char_esc()(
-  string      _txt,
-) {
-  _txt = replaceAll!(m => "\\" ~ m[1])(_txt, rgx.latex_special_char);
-  return _txt;
-}
-#+END_SRC
-
-*** inline markup
-**** fontface
-
-- bold, italics, underscore, strikethrough
-
-#+name: output_latex_shared
-#+BEGIN_SRC d
-string fontface()(
-  string      _txt,
-) {
-_txt = _txt
-  .replaceAll(rgx.inline_emphasis,    format(q"┃\begin{bfseries}%s\end{bfseries}┃", "$1"))
-  .replaceAll(rgx.inline_bold,        format(q"┃\begin{bfseries}%s\end{bfseries}┃", "$1"))
-  .replaceAll(rgx.inline_italics,     format(q"┃\emph{%s}┃",                        "$1"))
-  .replaceAll(rgx.inline_italics,     format(q"┃\uline{%s}┃",                       "$1"))
-  .replaceAll(rgx.inline_superscript, format(q"┃$$^{\textrm{%s}}$$┃",               "$1"))
-  .replaceAll(rgx.inline_subscript,   format(q"┃$$_{\textrm{%s}}$$┃",               "$1"))
-  .replaceAll(rgx.inline_strike,      format(q"┃\sout{%s}┃",                        "$1"))
-  .replaceAll(rgx.inline_insert,      format(q"┃\uline{%s}┃",                       "$1"))
-  .replaceAll(rgx.inline_mono,        format(q"┃\begin{monosp}%s\end{monosp}┃",     "$1"))
-  .replaceAll(rgx.inline_italics,     format(q"┃``%s''┃",                           "$1"));
-  return _txt;
-}
-#+END_SRC
-
-**** spaces
-***** leading hardspace
-
-#+name: output_latex_shared
-#+BEGIN_SRC d
-string leading_hardspaces()(
-  string      _txt,
-) {
-  string hardspaces(string _spaces) {
-    _spaces  = _spaces
-      .replaceAll(rgx.space, "\\hardspace ");
-    return _spaces;
-  }
-  _txt = replaceAll!(m => hardspaces(m[0]))(_txt, rgx.spaces_line_start);
-  return _txt;
-}
-#+END_SRC
-
-***** nbsp character
-
-#+name: output_latex_shared
-#+BEGIN_SRC d
-string nbsp_char()(string _txt) {
-  if (_txt.match(rgx.nbsp_char)) {
-    _txt  = _txt.replaceAll(rgx.nbsp_char, "\\hardspace ");
-  }
-  return _txt;
-}
-#+END_SRC
-
-***** remove nbsp character
-
-#+name: output_latex_shared
-#+BEGIN_SRC d
-string nbsp_char_to_space()(string _txt) {
-  if (_txt.match(rgx.nbsp_char)) {
-    _txt  = _txt.replaceAll(rgx.nbsp_char, " ");
-  }
-  return _txt;
-}
-#+END_SRC
-
-**** links and images
-***** links / urls
-
-#+name: output_latex_shared
-#+BEGIN_SRC d
-string links_and_images(O,M)(
-  string      _txt,
-  const    O  obj,
-           M  doc_matters,
-) {
-  if (obj.has.inline_links) { // TODO some images do not have inline links ... image without link
-    string _width_adjust(string _width) {
-      if (_width.to!int > 300) { _width = "300"; } // will need to vary max with papersize & orientation
-      return _width;
-    }
-    string _latex_image_path(string _image_path) {
-      auto pth_latex = DocReformPathsLaTeX(doc_matters);
-      _image_path = pth_latex.latex_path_stuff ~ "/" ~ _image_path;
-      return _image_path;
-    }
-    string _if_images(string _linked_content) {
-      if (_linked_content.match(rgx.inline_image_info)) {
-        _linked_content = replaceAll!(m =>
-            format(q"┃\includegraphics*[width=%spt]{%s}%s┃",
-              _width_adjust(m[2]), _latex_image_path(m[1]), " \\\\\n")
-          )(_linked_content, rgx.inline_image_info);
-      }
-      return _linked_content;
-    }
-    string _check_link(string _link) {
-      _link = _link
-        .replaceFirst(rgx.latex_clean_internal_link, "")
-        .replaceAll(rgx.latex_special_char_for_escape_url, "\\$1");
-      return _link;
-    }
-    if  (obj.metainfo.is_a != "code") {
-      _txt = replaceAll!(m =>
-          m[1] ~ "┤" ~ to!string((obj.stow.link[m[2].to!ulong])).encode ~ "├"
-        )(_txt, rgx.inline_link_number_only);
-      _txt = replaceAll!(m =>
-          ((m[1] == m[2]) && (m[2].match(rgx.uri)))
-          ? format(q"┃\begin{scriptsize}\lefthalfcap\url{%s}\righthalfcup\end{scriptsize}┃", _check_link(m[1]))
-          : (m[2].match(rgx.uri)) // ERROR
-            ? format(q"┃%s\href{%s}%s{%s}┃", "\\\\\n", _check_link(m[2]), "\n", _if_images(m[1]))
-            : format(q"┃\hyperlink{%s}{%s}┃", _check_link(m[2]), _if_images(m[1]))
-        )(_txt, rgx.inline_link);
-    }
-  }
-  return _txt;
-}
-#+END_SRC
-
-*** footnotes
-**** footnotes
-
-#+name: output_latex_shared
-#+BEGIN_SRC d
-string footnotes()(
-  string      _txt,
-) {
-  if (_txt.match(rgx.inline_notes_al_gen)) {
-    string _tex_note = q"┃\hypertarget{noteref_%s}{}\footnote[%s]{%%
-\label{note_%s}%s}┃";
-    _txt = _txt.replaceAll(rgx.inline_notes_al_regular_number_note,
-      format(_tex_note,
-        "$1", "$1", "$1",
-        "$2".strip
-      ).strip
-    );
-  }
-  return _txt;
-}
-#+END_SRC
-
-**** footnote remove
-
-#+name: output_latex_shared
-#+BEGIN_SRC d
-string remove_footnotes()(
-  string      _txt,
-) {
-  if (_txt.match(rgx.inline_notes_al_gen)) {
-    _txt = replaceAll!(m => "")(_txt, rgx.inline_notes_al_gen);
-  }
-  return _txt;
-}
-#+END_SRC
-
-*** para
-**** para
-
-#+name: output_latex_shared
-#+BEGIN_SRC d
-string para(O)(
-  string      _txt,
-  O           obj,
-) {
-  if (obj.metainfo.is_of_type == "para") {
-    string _tex_para;
-    _tex_para = q"┃\begin{tiny}\hspace{0mm}\end{tiny}{\marginpar{\begin{tiny}\hspace{0mm}\hypertarget{%s}{%s}\end{tiny}}}%s┃";
-    _txt  = format(_tex_para,
-      obj.metainfo.object_number,
-      obj.metainfo.object_number,
-      _txt.footnotes
-    ).strip;
-  }
-  return _txt;
-}
-#+END_SRC
-
-**** bookindex para
-
-#+name: output_latex_shared
-#+BEGIN_SRC d
-string bookindex(O)(
-  string      _txt,
-  O           obj,
-) {
-  if (obj.metainfo.is_of_type == "para"
-    && obj.metainfo.is_a == "bookindex"
-  ) {
-    string _tex_para;
-    _tex_para = q"┃%s┃";
-    _txt  = format(_tex_para,
-      _txt.replaceAll(rgx.latex_clean_bookindex_linebreak, "\n") ~ "\n\\\\\n"
-    );
-  }
-  return _txt;
-}
-#+END_SRC
-
-*** bullets & indentation
-
-#+name: output_latex_head
-#+BEGIN_SRC d
-string bullets_and_indentation(O)(
-  string      _txt,
-  O           obj,
-) {
-  string _tex_para;
-  string _hang; string _indent;
-  int _paper_margin = -10;
-  int _indent_increment = 8; // 5; 10;
-  if (obj.attrib.bullet) {
-    int _bullet_space = 5;
-    _indent = ((obj.attrib.indent_base * _indent_increment) + _paper_margin + _bullet_space).to!string;
-    _txt  = format(q"┃\begin{Bullet}{%smm}$\txtbullet$\hspace{\enspace}%s\end{Bullet}┃",
-      _indent,
-      _txt.footnotes
-    ).strip;
-  } else if (
-    obj.attrib.indent_base != 0
-    && obj.attrib.indent_base == obj.attrib.indent_hang
-  ) {
-    _indent = ((obj.attrib.indent_base * _indent_increment) + _paper_margin).to!string;
-    _tex_para = q"┃\begin{ParagraphIndent}{%smm}%s \end{ParagraphIndent}┃";
-    _txt = format(_tex_para,
-      _indent,
-      _txt.footnotes
-    ).strip;
-  } else if (
-    obj.attrib.indent_base != 0
-    || obj.attrib.indent_hang != 0
-  ) {
-    _indent = ((obj.attrib.indent_base * _indent_increment) + _paper_margin).to!string;
-    _hang = (((obj.attrib.indent_hang - obj.attrib.indent_base) * _indent_increment)).to!string;
-    _tex_para = q"┃\begin{ParagraphHang}{%smm}{%smm}%s \end{ParagraphHang}┃";
-    _txt = format(_tex_para,
-      _indent, _hang,
-      _txt.footnotes
-    ).strip;
-  }
-  return _txt;
-}
-#+END_SRC
-
-*** heading
-
-#+name: output_latex_shared_0
-#+BEGIN_SRC d
-  string heading(O,M)(
-    string      _txt,
-    O           obj,
-    M           doc_matters,
-    string      _part = ""
-  ) {
-    if (obj.metainfo.is_a == "heading") {
-      string _tex_para;
-      string _pg_break;
-      string _sect;
-      string _post;
-      string _title_add;
-      string _columns = "";
-      switch (obj.metainfo.heading_lev_markup) {
-      case 0: // A == TITLE
-        _pg_break = "\\begin{document}\n";
-        goto default;
-      case 1: // B == part: section heading level
-        _pg_break = "\\clearpage\n";
-        goto default;
-      case 2: // C == part: section heading level
-        _pg_break = "\\clearpage\n";
-        goto default;
-      case 3: // D == part: section heading level
-        _pg_break = "\\clearpage\n";
-        goto default;
-      case 4: // 1 == section
-        _columns = (_part != "bookindex")
-          ? "" : "\n\\\\\n\\begin{multicols}{2}";
-        _pg_break = "\\clearpage\n";
-        _sect = "section";
-        _post = "";
-        _title_add = format(q"┃
-\markboth{%s}{%s}┃",
-          doc_matters.conf_make_meta.meta.title_full,
-          doc_matters.conf_make_meta.meta.title_full,
-        );
-        goto default;
-      case 5: // 2 == subsection
-        _pg_break = "";
-        // _pg_break = "newpage"; // doubt this is necessary
-        _sect = "subsection";
-        _post = " \\\n";
-        _title_add = "";
-        goto default;
-      case 6: // 3 == subsubsection
-        _pg_break = "";
-        // _pg_break = "newpage"; // doubt this is necessary
-        _sect = "subsubsection";
-        _post = " \\\n";
-        _title_add = "";
-        goto default;
-      default:
-        if (obj.metainfo.heading_lev_markup == 0) {
-          _tex_para = q"┃\begin{document}
-\title{%s}
-\author{ \textnormal{%s}}
-\date{\begin{tiny}%s\end{tiny}}
-\pagenumbering{roman}\maketitle
-\pagestyle{fancy}
-\newpage
-\markboth{%s}{%s}
-\\\\[3]\ \linebreak Copyright {\begin{small}{\copyright\end{small}} %s \\
-%s
-\pagestyle{fancy}
-\clearpage┃";
-          _txt = format(_tex_para,
-            (doc_matters.conf_make_meta.meta.title_full).sp_char_esc_txt,
-            (doc_matters.conf_make_meta.meta.creator_author).sp_char_esc_txt,
-            (doc_matters.conf_make_meta.meta.date_published).sp_char_esc_txt,
-            (doc_matters.conf_make_meta.meta.title_main).sp_char_esc_txt,
-            (doc_matters.conf_make_meta.meta.title_full).sp_char_esc_txt,
-            (doc_matters.conf_make_meta.meta.rights_copyright).sp_char_esc_txt,
-            (doc_matters.conf_make_meta.meta.rights_license).sp_char_esc_txt,
-          );
-        } else if (obj.metainfo.heading_lev_markup < 4) {
-          _tex_para = q"┃%s\part*{\begin{tiny}\hspace{0mm}\end{tiny}{\marginpar{\begin{tiny}\hspace{0mm}\hypertarget{%s}{%s}\end{tiny}}}%s}
-\addcontentsline{toc}{part}{%s}
-\markboth{%s}┃";
-          _txt = format(_tex_para,
-            _pg_break,
-            obj.metainfo.object_number,
-            obj.metainfo.object_number,
-            _txt.strip.footnotes,
-            _txt.strip.remove_footnotes,
-            (doc_matters.conf_make_meta.meta.title_main).sp_char_esc_txt,
-          );
-        } else if (obj.metainfo.heading_lev_markup > 3) {
-          if (obj.metainfo.heading_lev_markup == 4
-          && _txt.match(regex(r"^Table of Contents$"))) {
-            _tex_para = q"┃
-\pagenumbering{none}
-\setcounter{page}{1}
-\setlength{\parskip}{1ex plus0.5ex minus0.2ex}
-\part*{\begin{tiny}\hspace{0mm}\end{tiny}{\marginpar{\begin{tiny}\hspace{0mm}\hypertarget{1}{1}\end{tiny}}}%s \newline %s}
-
-\clearpage
-\markboth{%s}{%s}
-\pagenumbering{gobble}
-\renewcommand{\contentsname}{}
-\tableofcontents
-\markboth{%s}{%s}
-
-\clearpage
-\pagenumbering{arabic}
-\setcounter{page}{1}
-\markboth{%s}{%s}
-%% \null
-\clearpage
-\setcounter{page}{1}┃";
-            _txt = format(_tex_para,
-              (doc_matters.conf_make_meta.meta.title_full).sp_char_esc_txt,
-              (doc_matters.conf_make_meta.meta.creator_author).sp_char_esc_txt,
-              (doc_matters.conf_make_meta.meta.title_main).sp_char_esc_txt,
-              (doc_matters.conf_make_meta.meta.title_main).sp_char_esc_txt,
-              (doc_matters.conf_make_meta.meta.title_full).sp_char_esc_txt,
-              (doc_matters.conf_make_meta.meta.title_full).sp_char_esc_txt,
-              (doc_matters.conf_make_meta.meta.title_full).sp_char_esc_txt,
-              (doc_matters.conf_make_meta.meta.title_full).sp_char_esc_txt,
-            );
-          } else if (obj.metainfo.heading_lev_markup == 4
-            && _part == "bookindex"
-            && _txt.match(regex(r"^Index$"))
-          ) {
-            _tex_para = q"┃%s\%s*{\begin{tiny}\hspace{0mm}\end{tiny}{\marginpar{\begin{tiny}\hspace{0mm}\hypertarget{%s}{%s}\end{tiny}}}%s}
-\addcontentsline{toc}{%s}{%s%s}%s%s┃";
-            _txt = format(_tex_para,
-              _pg_break,
-              _sect.strip,
-              obj.metainfo.object_number,
-              obj.metainfo.object_number,
-              _txt.footnotes.strip,
-              _sect,
-              _txt.remove_footnotes.strip,
-              _post,
-              _title_add,
-              _columns,
-            );
-          } else if (obj.metainfo.dummy_heading
-            && obj.metainfo.heading_lev_markup == 4
-          ) { /+ dummy headings completely omitted +/
-            _txt = "";
-          } else {
-            _tex_para = q"┃%s\%s*{\begin{tiny}\hspace{0mm}\end{tiny}{\marginpar{\begin{tiny}\hspace{0mm}\hypertarget{%s}{%s}\end{tiny}}}%s}
-\addcontentsline{toc}{%s}{%s%s}%s┃";
-            _txt = format(_tex_para,
-              _pg_break,
-              _sect.strip,
-              obj.metainfo.object_number,
-              obj.metainfo.object_number,
-              _txt.footnotes.strip,
-              _sect,
-              _txt.remove_footnotes.strip,
-              _post,
-              _title_add,
-            );
-          }
-        }
-        break;
-      }
-    }
-    return _txt.strip;
-  }
-#+END_SRC
-
-*** grouped text
-**** group
-
-- (hardspace not honored) clear hardspace marker
-
-#+name: output_latex_shared_0
-#+BEGIN_SRC d
-string group(O,M)(
-  string      _txt,
-  O           obj,
-  M           doc_matters,
-) {
-  if (obj.metainfo.is_a == "group") {
-    string _tex_para;
-    _tex_para = q"┃\begin{tiny}\hspace{0mm}\end{tiny}{\marginpar{\begin{tiny}\hspace{0mm}\hypertarget{%s}{%s}\end{tiny}}}\setlength{\parskip}{0.5ex plus0.2ex minus0.1ex}
-\begin{footnotesize}
-%s
-\end{footnotesize}
-┃";
-    _txt  = format(_tex_para,
-      obj.metainfo.object_number,
-      obj.metainfo.object_number,
-      _txt.footnotes.strip
-    ).strip;
-  }
-  return _txt;
-}
-#+END_SRC
-
-**** block
-
-- (hardspace honored) \hardspace
-
-#+name: output_latex_shared_0
-#+BEGIN_SRC d
-string block(O,M)(
-  string      _txt,
-  O           obj,
-  M           doc_matters,
-) {
-  if (obj.metainfo.is_a == "block") {
-    // _txt = _txt.nbsp_char;
-    string _tex_para;
-    _tex_para = q"┃\begin{tiny}\hspace{0mm}\end{tiny}{\marginpar{\begin{tiny}\hspace{0mm}\hypertarget{%s}{%s}\end{tiny}}}\setlength{\parskip}{0.5ex plus0.2ex minus0.1ex}
-\begin{footnotesize}
-%s
-\end{footnotesize}
-\setlength{\parskip}{1ex plus0.5ex minus0.2ex}
-┃"; // \hardspace
-    /+ try both: +/
-    _txt = _txt.split(rgx.br_newlines_linebreaks).join("\n\n"); // _txt = _txt.split(rgx.br_newlines_linebreaks).join(" \\\n");
-    _txt  = format(_tex_para,
-      obj.metainfo.object_number,
-      obj.metainfo.object_number,
-      _txt.nbsp_char.footnotes.strip
-    ).strip;
-  }
-  return _txt;
-}
-#+END_SRC
-
-**** verse
-
-- (hardspace honored) \hardspace
-
-#+name: output_latex_shared_0
-#+BEGIN_SRC d
-string verse(O,M)(
-  string      _txt,
-  O           obj,
-  M           doc_matters,
-) {
-  if (obj.metainfo.is_a == "verse") {
-    string _tex_para;
-    _tex_para = q"┃\begin{tiny}\hspace{0mm}\end{tiny}{\marginpar{\begin{tiny}\hspace{0mm}\hypertarget{%s}{%s}\end{tiny}}}\setlength{\parskip}{0.1ex plus0.1ex minus0.1ex}
-\begin{footnotesize}
-
-%s
-
-\end{footnotesize}
-\setlength{\parskip}{1ex plus0.5ex minus0.2ex}
-\linebreak
-┃"; // \hardspace
-    _txt  = format(_tex_para,
-      obj.metainfo.object_number,
-      obj.metainfo.object_number,
-      _txt.nbsp_char.footnotes.split("\n").join("\n\n").strip
-    ).strip;
-  }
-  return _txt;
-}
-#+END_SRC
-
-**** codeblock
-
-- (hardspace honored) \begin{lstlisting} clear hardspace marker
-
-#+name: output_latex_shared_0
-#+BEGIN_SRC d
-string codeblock(O,M)(
-  string      _txt,
-  O           obj,
-  M           doc_matters,
-) {
-  if (obj.metainfo.is_a == "code") {
-    string _tex_para;
-    _tex_para = q"┃\begin{tiny}\hspace{0mm}\end{tiny}{\marginpar{\begin{tiny}\hspace{0mm}\hypertarget{%s}{%s}\end{tiny}}}\setlength{\parskip}{0.5ex plus0.2ex minus0.1ex}\begin{Codeblock}
-\begin{lstlisting}
-%s
-\end{lstlisting}
-\end{Codeblock}
-\setlength{\parskip}{1ex plus0.5ex minus0.2ex}
-┃";
-    _txt  = format(_tex_para,
-      obj.metainfo.object_number,
-      obj.metainfo.object_number,
-      _txt.nbsp_char_to_space
-    ).strip;
-  }
-  return _txt;
-}
-#+END_SRC
-
-**** table
-
-- own set of rules
-
-***** tablarize
-
-#+name: output_latex_shared_0
-#+BEGIN_SRC d
-auto tablarize(O)(
-  string            _txt,
-  const        O    obj,
-) {
-  string[] _table_rows = (_txt).split(rgx.table_delimiter_row);
-  string[] _table_cols;
-  string _table;
-  string _tablenote;
-  foreach(row_idx, row; _table_rows) {
-    _table_cols = row.split(rgx.table_delimiter_col);
-      _table ~= "";
-      foreach(col_idx, cell; _table_cols) {
-        if ((_table_cols.length == 1)
-        && (_table_rows.length <= row_idx+2)) { // check row_idx+2 (rather than == ++row_idx)
-          _tablenote ~= cell;
-        } else {
-          // // _table ~= "\\bfseries ";
-          // _table ~= cell;
-          // _table ~= (_table_cols.length > (col_idx + 1)) ? "&" : "";
-          _table ~= format(q"┃%s%s┃",
-            cell,
-            (_table_cols.length > (col_idx + 1)) ? "&" : ""
-          );
-        }
-      }
-      _table ~= "\\\\";
-    }
-  auto t = tuple(
-    _table,
-    _tablenote,
-  );
-  return t;
-}
-#+END_SRC
-
-***** table
-
-#+name: output_latex_shared_0
-#+BEGIN_SRC d
-string table(O,M)(
-  string      _txt,
-  O           obj,
-  M           doc_matters,
-) {
-  if (obj.metainfo.is_a == "table") {
-    auto _t = _txt.tablarize(obj);
-    string _table = _t[0];
-    string _t_n = _t[1];
-    string papertype = "a4";
-    uint pw = 0;
-    switch (papertype) {
-    case "a4":     pw = (paper.a4.portrait.w     - 20); break;
-    case "a5":     pw = (paper.a5.portrait.w     - 20); break;
-    case "b4":     pw = (paper.b4.portrait.w     - 20); break;
-    case "letter": pw = (paper.letter.portrait.w - 20); break;
-    case "legal":  pw = (paper.legal.portrait.w  - 20); break;
-    default:       pw = 0;                              break;
-    }
-    // auto textwidth = (pw - 24);
-    string _colw = "";
-    foreach (w; obj.table.column_widths) {
-      _colw ~= format(q"┃p{%.0fmm}┃",
-        (w * pw / 100)
-        // (w * (pw - 24)/ 100)
-        // (w * textwidth / 100)
-      );
-    }
-    string _tex_para;
-    _tex_para = q"┃\begin{tiny}\hspace{0mm}\end{tiny}{\marginpar{\begin{tiny}\hspace{0mm}\hypertarget{%s}{%s}\end{tiny}}}
-\setlength{\LTleft}{0pt}
-\setlength{\LTright}{\fill}
-\begin{tiny}
-\begin{longtable}{%s}
-%s
-\end{longtable}
-\end{tiny}
-┃";
-    _txt  = format(_tex_para,
-      obj.metainfo.object_number,
-      obj.metainfo.object_number,
-      _colw,
-      _table,
-    ).strip;
-  }
-  return _txt;
-}
-#+END_SRC
-
-** latex parts
-*** latex head                                                       :head:
-**** latex head function
-
-#+name: output_latex_head
-#+BEGIN_SRC d
-string latex_head(M)(
-                        M    doc_matters,
-) {
-#+END_SRC
-
-**** latex head options
-***** paper type dimensions
-****** struct
-
-#+name: output_latex_head
-#+BEGIN_SRC d
-  struct paperType {
-    string a4_portrait;
-    string a4_landscape;
-    string us_letter_portrait;
-    string us_letter_landscape;
-  }
-  auto paper           = paperType();
-#+END_SRC
-
-****** footer
-
-#+name: output_latex_head
-#+BEGIN_SRC d
-  string _footer(M)(M doc_matters) {
-    string _ft = "\\lfoot[\\textrm{\\thepage}]";
-    string _ft_1 = format(q"┃{\tiny \href{%s}{%s}}┃", "http://sisudoc.org", "SiSU",);
-    string _ft_2 = format(q"┃
-\cfoot{\href{%s}{%s}}┃", "http://git.sisudoc.org", "git",);
-    if (doc_matters.conf_make_meta.make.footer.length > 0) {
-      if (doc_matters.conf_make_meta.make.footer.length > 0) {
-        if (doc_matters.conf_make_meta.make.footer[0].matchAll(rgx.inline_link)) {
-          _ft ~= doc_matters.conf_make_meta.make.footer[0]
-            .replace(rgx.inline_link, "{\\tiny \\href{$2}{$1}}");
-        } else {
-          _ft ~= _ft_1;
-        }
-      }
-      if (doc_matters.conf_make_meta.make.footer.length > 1) {
-        if (doc_matters.conf_make_meta.make.footer[1].matchAll(rgx.inline_link)) {
-          _ft ~= doc_matters.conf_make_meta.make.footer[1]
-            .replace(rgx.inline_link, "\n\\cfoot{\\href{$2}{$1}}");
-        } else {
-          _ft ~= _ft_2;
-        }
-      }
-    } else {
-      _ft ~= _ft_1;
-      _ft ~= _ft_2;
-    }
-    return _ft;
-  }
-#+END_SRC
-
-****** a4, portrait
-
-#+name: output_latex_head_1_format_string
-#+BEGIN_SRC d
-  paper.a4_portrait    = format(q"┃
-#+END_SRC
-
-#+name: output_latex_head_1_tex
-#+BEGIN_SRC latex
-\documentclass[12pt,a4paper,titlepage]{scrartcl}
-\setlength{\textheight}{228mm} \setlength{\textwidth}{160mm}
-#+END_SRC
-
-#+name: output_latex_head_1_tex
-#+BEGIN_SRC d
-┃",
-  );
-#+END_SRC
-
-****** a4, landscape
-
-#+name: output_latex_head_1_tex
-#+BEGIN_SRC d
-  paper.a4_landscape    = format(q"┃
-#+END_SRC
-
-#+name: output_latex_head_1_tex
-#+BEGIN_SRC latex
-\documentclass[11pt,a4paper,landscape,titlepage,twocolumn]{scrartcl}
-\setlength{\textheight}{160mm} \setlength{\textwidth}{238mm}
-#+END_SRC
-
-#+name: output_latex_head_1_tex
-#+BEGIN_SRC d
-┃",
-  );
-#+END_SRC
-
-****** us letter, portrait
-
-#+name: output_latex_head_1_tex
-#+BEGIN_SRC d
-  paper.us_letter_portrait    = format(q"┃
-#+END_SRC
-
-#+name: output_latex_head_1_tex
-#+BEGIN_SRC latex
-\documentclass[12pt,letterpaper,titlepage]{scrartcl}
-\setlength{\textheight}{212mm} \setlength{\textwidth}{166mm}
-#+END_SRC
-
-#+name: output_latex_head_1_tex
-#+BEGIN_SRC d
-┃",
-  );
-#+END_SRC
-
-****** us letter, landscape
-
-#+name: output_latex_head_1_tex
-#+BEGIN_SRC d
-  paper.us_letter_landscape    = format(q"┃
-#+END_SRC
-
-#+name: output_latex_head_1_tex
-#+BEGIN_SRC latex
-\documentclass[11pt,letterpaper,landscape,titlepage,twocolumn]{scrartcl}
-\setlength{\textheight}{166mm} \setlength{\textwidth}{226mm}
-#+END_SRC
-
-#+name: output_latex_head_1_tex
-#+BEGIN_SRC d
-┃",
-  );
-#+END_SRC
-
-***** paper margins
-****** struct
-
-#+name: output_latex_head_1_tex
-#+BEGIN_SRC d
-  struct paperMargins {
-    string portrait;
-    string landscape;
-  }
-  auto margins           = paperMargins();
-#+END_SRC
-
-****** portrait
-
-#+name: output_latex_head_1_tex
-#+BEGIN_SRC d
-  margins.portrait    = format(q"┃
-#+END_SRC
-
-#+name: output_latex_head_1_tex
-#+BEGIN_SRC latex
-\setlength{\oddsidemargin}{0mm} \setlength{\evensidemargin}{0mm}
-\setlength{\topmargin}{-12pt} \setlength{\headheight}{12pt}
-\setlength{\headsep}{35pt}
-#+END_SRC
-
-#+name: output_latex_head_1_tex
-#+BEGIN_SRC d
-┃",
-  );
-#+END_SRC
-
-****** landscape
-
-#+name: output_latex_head_1_tex
-#+BEGIN_SRC d
-  margins.landscape    = format(q"┃
-#+END_SRC
-
-#+name: output_latex_head_1_tex
-#+BEGIN_SRC latex
-\setlength{\oddsidemargin}{6mm} \setlength{\evensidemargin}{6mm}
-\setlength{\topmargin}{-12mm} \setlength{\headheight}{12pt}
-\setlength{\headsep}{20pt}
-#+END_SRC
-
-#+name: output_latex_head_1_tex
-#+BEGIN_SRC d
-┃",
-  );
-#+END_SRC
-
-***** multicol
-****** struct
-
-#+name: output_latex_head_1_tex
-#+BEGIN_SRC d
-  struct columnsMulti {
-    string portrait;
-    string landscape;
-  }
-  auto multicol           = columnsMulti();
-#+END_SRC
-
-****** portrait
-
-#+name: output_latex_head_1_tex
-#+BEGIN_SRC d
-  multicol.portrait    = format(q"┃
-#+END_SRC
-
-#+name: output_latex_head_1_tex
-#+BEGIN_SRC latex
-\usepackage{multicol}
-#+END_SRC
-
-#+name: output_latex_head_1_tex
-#+BEGIN_SRC d
-┃",
-  );
-#+END_SRC
-
-****** landscape
-
-#+name: output_latex_head_1_tex
-#+BEGIN_SRC d
-  multicol.landscape    = "";
-#+END_SRC
-
-***** color links
-****** struct
-
-#+name: output_latex_head_1_tex
-#+BEGIN_SRC d
-  struct colorLinks {
-    string mono;
-    string color;
-  }
-  auto links           = colorLinks();
-#+END_SRC
-
-****** mono
-
-#+name: output_latex_head_1_tex
-#+BEGIN_SRC d
-  links.mono    = format(q"┃
-#+END_SRC
-
-#+name: output_latex_head_1_tex
-#+BEGIN_SRC latex
-\usepackage[xetex,
-  colorlinks=true,
-  urlcolor=myblack,
-  filecolor=myblack,
-  linkcolor=myblack,
-#+END_SRC
-
-#+name: output_latex_head_1_tex
-#+BEGIN_SRC d
-┃",
-  );
-#+END_SRC
-
-****** color
-
-#+name: output_latex_head_1_tex
-#+BEGIN_SRC d
-  links.color    = format(q"┃
-#+END_SRC
-
-#+name: output_latex_head_1_tex
-#+BEGIN_SRC latex
-\usepackage[xetex,
-  colorlinks=true,
-  urlcolor=myblue,    %% \href{...}{...}   external url
-  filecolor=mygreen,  %% \href{...}        local file
-  linkcolor=myred,    %% \href{...} and \pageref{...}
-#+END_SRC
-
-#+name: output_latex_head_1_format_string_variables
-#+BEGIN_SRC d
-┃",
-  );
-#+END_SRC
-
-**** latex head starts
-
-#+name: output_latex_head_0_format_string
-#+BEGIN_SRC d
-  string _latex_head = format(q"┃%%%% DocReform LaTeX output
-#+END_SRC
-
-***** description comment
-
-#+name: output_latex_head_0_tex
-#+BEGIN_SRC latex
-%%%% Generated by: %s
-%%%% D version: %s
-%%%% LaTeX output last Generated on: %s
-%%%% %s %s
-
-#+END_SRC
-
-***** paper type (a4, letter, ...; ( portrait | landscape ))
-
-- paper.a4_portrait
-- paper.a4_landscape
-- paper.us_letter_portrait
-- paper.us_letter_landscape
-
-#+name: output_latex_head_0_tex
-#+BEGIN_SRC latex
-%s
-#+END_SRC
-
-***** paper margins (portrait | landscape)
-
-- margins.portrait
-- margins.landscape
-
-#+name: output_latex_head_0_tex
-#+BEGIN_SRC latex
-%s
-#+END_SRC
-
-***** margin shared
-
-#+name: output_latex_head_0_tex
-#+BEGIN_SRC latex
-\setlength{\marginparsep}{4mm}
-\setlength{\marginparwidth}{8mm}
-#+END_SRC
-
-***** multicol (portrait | landscape)
-
-#+name: output_latex_head_0_tex
-#+BEGIN_SRC latex
-%s
-#+END_SRC
-
-***** language & font
-
-#+name: output_latex_head_0_tex
-#+BEGIN_SRC latex
-\usepackage{polyglossia, ucs, fontspec, xltxtra, xunicode}
-\setmainlanguage{%s}
-\setotherlanguage{%s}
-\setmainfont{Liberation Sans}
-\setmonofont[Scale=0.85]{Liberation Mono}
-#+END_SRC
-
-%% \setsansfont{Liberation Sans}
-%% \setromanfont{Liberation Serif}
-
-***** latex head
-
-#+name: output_latex_head_0_tex
-#+BEGIN_SRC latex
-\usepackage{alltt}
-\usepackage{thumbpdf}
-#+END_SRC
-
-***** color links: no = mono | yes = color
-
-#+name: output_latex_head_0_tex
-#+BEGIN_SRC latex
-%s
-#+END_SRC
-
-***** metadata
-
-#+name: output_latex_head_0_tex
-#+BEGIN_SRC latex
-  pdftitle={%s},
-  pdfauthor={%s},
-  pdfsubject={%s},
-  pdfkeywords={},
-  pageanchor=true,
-  plainpages=true,
-  pdfpagelabels=true,
-  pagebackref,
-  bookmarks=true,
-  bookmarksopen=true,
-  pdfmenubar=true,
-  pdfpagemode=UseOutline,
-  pdffitwindow=true,
-  pdfwindowui=true,
-  plainpages=false,
-  pdfstartview=FitH
-]
-{hyperref}
-#+END_SRC
-
-%%  pdfusetitle=true,
-%%  pdfpagelayout=SinglePage,
-%%  pdfpagelayout=TwoColumnRight,
-%%  pdfpagelayout=TwoColumnLeft,
-%%  pdfstartpage=3,
-
-%%%% trace lost characters
-%% \tracinglostchars = 1
-%% \tracingonline = 1
-
-***** define colors
-
-#+name: output_latex_head_0_tex
-#+BEGIN_SRC latex
-\usepackage[usenames]{color}
-\definecolor{myblack}{rgb}{0,0,0}
-\definecolor{myred}{rgb}{0.75,0,0}
-\definecolor{mygreen}{rgb}{0,0.5,0}
-\definecolor{myblue}{rgb}{0,0,0.5}
-\definecolor{mywhite}{rgb}{1,1,1}
-#+END_SRC
-
-***** latex head
-
-#+name: output_latex_head_0_tex
-#+BEGIN_SRC latex
-\usepackage{url}
-\urlstyle{sf}
-#+END_SRC
-
-%%\usepackage{breakurl}
-
-***** latex head
-
-#+name: output_latex_head_0_tex
-#+BEGIN_SRC latex
-\usepackage{textcomp}
-\usepackage[parfill]{parskip}
-\usepackage[normalem]{ulem}
-\usepackage{soul}
-\usepackage{longtable}
-\usepackage[tc]{titlepic}
-\usepackage{graphicx}
-\makeatletter
-\parindent0pt
-\usepackage{amssymb}
-\usepackage{listings}
-\usepackage{color}
-\usepackage{textcomp}
-\setcounter{secnumdepth}{2}
-\setcounter{tocdepth}{4}
-\makeatletter
-#+END_SRC
-
-***** indent, bullet, list
-
-#+name: output_latex_head_0_tex
-#+BEGIN_SRC latex
-\usepackage[multiple,ragged]{footmisc}
-\setlength\footnotemargin{12pt}
-\usepackage[para]{manyfoot}
-\DeclareNewFootnote{A}
-\newenvironment{ParagraphIndent}[1]%%
-{
-\begin{list}{}{%%
-\setlength\topsep{0pt}%%
-\addtolength{\leftmargin}{#1}
-\setlength\parsep{0pt plus 1pt}%%
-}
-\item[]
-}
-{\end{list}}
-\newenvironment{ParagraphHang}[2]%%
-{
-\begin{list}{}{%%
-\setlength\topsep{0pt}%%
-\addtolength{\leftmargin}{#1}
-\itemindent=#2
-\setlength\parsep{0pt plus 1pt}%%
-}
-\item[]
-}
-{\end{list}}
-\newenvironment{Bullet}[1]%%
-{
-\begin{list}{}{%%
-\setlength\topsep{0pt}%%
-\addtolength{\leftmargin}{#1}
-\itemindent=-1em
-\setlength\parsep{0pt plus 1pt}%%
-}
-\item[]
-}
-{\end{list}}
-#+END_SRC
-
-%%\DeclareNewFootnote[para]{A}
-
-***** part, section, subsection, paragraph, subparagraph
-
-#+name: output_latex_head_0_tex
-#+BEGIN_SRC latex
-\usepackage{fancyhdr}
-\lhead{}
-\renewcommand{\part}{\@startsection
-  {part}{1}{-2mm}%%
-  {-\baselineskip}{0.5\baselineskip}%%
-  {\bfseries\large\upshape\raggedright}}
-\renewcommand{\section}{\@startsection
-  {section}{2}{-2mm}%%
-  {-\baselineskip}{0.5\baselineskip}%%
-  {\bfseries\large\upshape\raggedright}}
-\renewcommand{\subsection}{\@startsection
-  {subsection}{3}{-2mm}%%
-  {-\baselineskip}{0.5\baselineskip}%%
-  {\bfseries\large\upshape\raggedright}}
-\renewcommand{\subsubsection}{\@startsection
-  {subsubsection}{4}{-2mm}%%
-  {-\baselineskip}{0.5\baselineskip}%%
-  {\normalfont\normalsize\bfseries\raggedright}}
-\renewcommand{\paragraph}{\@startsection
-  {paragraph}{5}{-2mm}%%
-  {-\baselineskip}{0.5\baselineskip}%%
-  {\normalfont\normalsize\itshape\raggedright}}
-\renewcommand{\subparagraph}{\@startsection
-  {subparagraph}%%{6}%%{-2mm}%%
-  {-\baselineskip}{0.5\baselineskip}%%
-  {\normalfont\normalsize\itshape\raggedright}}
-#+END_SRC
-
-%% \makeatother
-
-***** latex head misc. including defined commands
-
-#+name: output_latex_head_0_tex
-#+BEGIN_SRC latex
-\selectlanguage{%s}
-\lhead[ ]{ }
-\chead[ \fancyplain{} \bfseries \footnotesize \leftmark ]{ \fancyplain{} \bfseries \footnotesize \rightmark }
-\rhead[ ]{ }
-%s
-\rfoot[\tiny \href{}{}]{\textrm{\thepage}}
-\tolerance=300
-\clubpenalty=300
-\widowpenalty=300
-\makeatother
-\makeatother
-\chardef\txtbullet="2022
-\chardef\tilde="7E
-\def\asterisk{{\rm \char42} }
-\definecolor{Light}{gray}{.92}
-\newcommand{\Codeblock}[1]{\normaltext\raggedright\small\ttfamily\texbackslash#1}
-\newcommand{\monosp}[1]{\normaltext\ttfamily\texbackslash#1}
-\newcommand{\parasep}{\\ \begin{center}*\hspace{2em}*\hspace{2em}*\end{center} \\}
-\newcommand{\hardspace}{{~}}
-\newcommand{\caret}{{\^{~}}}
-\newcommand{\pipe}{{\textbar}}
-\newcommand{\curlyopen}{{}
-\newcommand{\curlyclose}{}}
-\newcommand{\lt}{{UseTextSymbol{OML}{<}}}
-\newcommand{\gt}{{UseTextSymbol{OML}{>}}}
-\newcommand{\slash}{{/}}
-\newcommand{\underscore}{\_}
-\newcommand{\exclaim}{\Verbatim{!}}
-\definecolor{listinggray}{gray}{0.9}
-\definecolor{lbcolor}{rgb}{0.9,0.9,0.9}
-\lstset{
-  backgroundcolor=\color{lbcolor},
-  tabsize=4,
-  rulecolor=,
-  language=,
-  basicstyle=\scriptsize,
-  upquote=true,
-  aboveskip={1.5\baselineskip},
-  columns=fixed,
-  showstringspaces=false,
-  extendedchars=true,
-  breaklines=true,
-  prebreak = \raisebox{0ex}[0ex][0ex]{\ensuremath{\hookleftarrow}},
-  frame=single,
-  showtabs=false,
-  showspaces=false,
-  showstringspaces=false,
-  identifierstyle=\ttfamily,
-  keywordstyle=\color[rgb]{0,0,1},
-  commentstyle=\color[rgb]{0.133,0.545,0.133},
-  stringstyle=\color[rgb]{0.627,0.126,0.941},
-}
-#+END_SRC
-
-%%\chardef\asterisk="2A
-%%\newcommand{\hardspace}{\hspace{.5em}}
-
-**** latex head format inclusions
-
-#+name: output_latex_head_0_format_string_variables
-#+BEGIN_SRC d
-┃",
-  doc_matters.opt.action.debug_do ? "" : doc_matters.generator_program.name_and_version.strip,
-  doc_matters.opt.action.debug_do ? "" : doc_matters.generator_program.compiler.strip,
-  doc_matters.opt.action.debug_do ? "" : doc_matters.generator_program.stime.strip,
-  doc_matters.generator_program.project_name.strip,
-  doc_matters.generator_program.url_home.strip,
-  paper.a4_portrait.strip,
-  margins.portrait.strip,
-  multicol.portrait.strip,
-  lang.codes[doc_matters.src.language]["xlp"],
-  "english",
-  links.mono.strip, // links.color.strip,
-  doc_matters.conf_make_meta.meta.title_full.strip,
-  doc_matters.conf_make_meta.meta.creator_author.strip,
-  doc_matters.conf_make_meta.meta.classify_subject.strip,
-  lang.codes[doc_matters.src.language]["xlp"],
-  _footer(doc_matters),
-);
-#+END_SRC
-
-**** latex head return
-
-#+name: output_latex_head_close
-#+BEGIN_SRC d
-  return _latex_head.strip;
-}
-#+END_SRC
-
-*** ↻ latex body                                             :content:body:
-**** latex body function
-
-#+name: output_latex_body
-#+BEGIN_SRC d
-string latex_body(D,M)(
-  const    D   doc_abstraction,
-           M   doc_matters,
-) {
-  string _latex_body = "";
-  bool _multicolumns = false;
-  string _txt;
-#+END_SRC
-
-**** ↻ loop open
-
-#+name: output_latex_body
-#+BEGIN_SRC d
-  foreach (part; doc_matters.has.keys_seq.latex) {
-    foreach (obj; doc_abstraction[part]) {
-      switch (obj.metainfo.is_of_part) {
-#+END_SRC
-
-**** ↻ within loop
-***** frontmatter
-
-#+name: output_latex_body
-#+BEGIN_SRC d
-      case "frontmatter":              assert(part == "head" || "toc");
-        _txt = obj.text
-          .sp_char_esc(obj)
-          .fontface;
-        switch (obj.metainfo.is_of_type) {
-        case "para":
-          switch (obj.metainfo.is_a) {
-          case "heading":
-            _txt = _txt.heading(obj, doc_matters);
-            goto default;
-          case "toc":
-            break;
-          default:
-            _latex_body ~= _txt ~ "\n\n";
-            _txt = "";
-            break;
-          }
-          break;
-        default: break;
-        }
-        break;
-#+END_SRC
-
-***** body
-
-#+name: output_latex_body
-#+BEGIN_SRC d
-      case "body":                     assert(part == "body" || "head"); // surprise
-        _txt = obj.text
-          .sp_char_esc(obj)
-          .fontface;
-        switch (obj.metainfo.is_of_type) {
-        case "para":
-          switch (obj.metainfo.is_a) {
-          case "heading":
-            _txt = _txt.heading(obj, doc_matters);
-            goto default;
-          case "para":
-            _txt = _txt.para(obj)
-              .bullets_and_indentation(obj)
-              .links_and_images(obj, doc_matters);
-            goto default;
-          default:
-            _latex_body ~= _txt ~ "\n\n";
-            _txt = "";
-            break;
-          }
-          break;
-        case "block":
-          switch (obj.metainfo.is_a) {
-          case "quote":
-            goto default; // TODO
-          case "group":
-            /+ (hardspaces not honored) [remove any hardspace marker] +/
-            _txt = _txt.group(obj, doc_matters)
-              .links_and_images(obj, doc_matters);
-            goto default;
-          case "block":
-            /+ (hardspace honored) \hardspace +/
-            _txt = _txt.block(obj, doc_matters)
-              .links_and_images(obj, doc_matters);
-            goto default;
-          case "verse":
-            /+ (hardspace honored) \hardspace +/
-            _txt = _txt.verse(obj, doc_matters)
-              .links_and_images(obj, doc_matters);
-            goto default;
-          case "code":
-            /+ (hardspace honored) \begin{lstlisting} clear hardspace marker +/
-            _txt = _txt.codeblock(obj, doc_matters);
-            goto default;
-          case "table":
-            _txt = _txt.table(obj, doc_matters);
-            goto default; // TODO
-          default:
-            _latex_body ~= _txt ~ "\n\n";
-            _txt = "";
-            break;
-          }
-          break;
-        default: break;
-        }
-        break;
-#+END_SRC
-
-***** backmatter
-
-#+name: output_latex_body
-#+BEGIN_SRC d
-      case "backmatter":
-        assert(part == "endnotes" || "glossary" || "bibliography" || "bookindex" || "blurb" || "tail");
-        _txt = obj.text
-          .sp_char_esc(obj)
-          .fontface;
-        switch (obj.metainfo.is_of_type) {
-        case "para":
-          if (part != "bookindex" && _multicolumns) {
-            _multicolumns = false;
-            _latex_body ~= "\n\\end{multicols}\n";
-          }
-          switch (obj.metainfo.is_a) {
-          case "heading":
-            if (part == "bookindex") {
-              _multicolumns = true;
-            }
-            _txt = _txt.heading(obj, doc_matters, part);
-            goto default;
-          case "endnote":              assert(part == "endnotes");
-            _txt = _txt.para(obj)
-              .bullets_and_indentation(obj)
-              .links_and_images(obj, doc_matters);
-            goto default;
-          case "glossary":             assert(part == "glossary");
-            _txt = _txt.para(obj)
-              .bullets_and_indentation(obj)
-              .links_and_images(obj, doc_matters);
-            goto default;
-          case "bibliography":         assert(part == "bibliography");
-            _txt = _txt.para(obj)
-              .bullets_and_indentation(obj);
-            goto default;
-          case "bookindex":            assert(part == "bookindex");
-            /+ two column, special section +/
-            _txt = _txt.bookindex(obj)
-              .links_and_images(obj, doc_matters);
-            goto default;
-          case "blurb":                assert(part == "blurb");
-            _txt = _txt.para(obj)
-              .bullets_and_indentation(obj)
-              .links_and_images(obj, doc_matters);
-            goto default;
-          default:
-            _latex_body ~= (part == "bookindex" && obj.metainfo.is_a != "heading")
-              ? _txt : (_txt ~ "\n\n");
-            _txt = "";
-            break;
-          }
-          break;
-        default: break;
-        }
-        break;
-#+END_SRC
-
-***** after
-
-#+name: output_latex_body
-#+BEGIN_SRC d
-      case "comment":
-        break;
-      default:
-        { /+ debug +/
-          if (doc_matters.opt.action.debug_do
-          && doc_matters.opt.action.verbose) {
-            writeln(__FILE__, ":", __LINE__, ": ", obj.metainfo.is_of_part);
-            writeln(__FILE__, ":", __LINE__, ": ", obj.metainfo.is_a);
-            writeln(__FILE__, ":", __LINE__, ": ", obj.text);
-          }
-        }
-        break;
-      }
-    }
-  }
-  if (_multicolumns) {
-    _multicolumns = false;
-    _latex_body ~= "\n\\end{multicols}\n";
-  }
-#+END_SRC
-
-**** latex body return
-
-#+name: output_latex_body
-#+BEGIN_SRC d
-  return _latex_body;
-}
-#+END_SRC
-
-*** latex tail                                                       :tail:
-**** latex tail function
-
-#+name: output_latex_tail
-#+BEGIN_SRC d
-string latex_tail(M)(
-                        M    doc_matters,
-) {
-#+END_SRC
-
-**** latex tail starts
-
-#+name: output_latex_tail
-#+BEGIN_SRC d
-  string _latex_tail = format(q"┃
-#+END_SRC
-
-***** latex tail format inclusions
-
-
-***** latex document end
-
-#+name: output_latex_tail_tex
-#+BEGIN_SRC latex
-
-\end{document}
-#+END_SRC
-
-**** latex tail format inclusions
-
-#+name: output_latex_tail_close
-#+BEGIN_SRC d
-┃",
-  // doc_matters.conf_make_meta.meta.title_full,
-  // doc_matters.conf_make_meta.meta.creator_author,
-);
-#+END_SRC
-
-**** latex tail return
-
-#+name: output_latex_tail_close
-#+BEGIN_SRC d
-  return _latex_tail;
-}
-#+END_SRC
-
-* latex system command helper script
-** latex command, ruby script
-
-#+BEGIN_SRC ruby :tangle "../util/dr_tex.rb"  :tangle-mode (identity #o755) :shebang #!/usr/bin/env ruby
-require 'fileutils'
-pwd = Dir.pwd
-argv,texfiles_with_path,flags=[],[],[]
-lngs = %{(am|bg|bn|br|ca|cs|cy|da|de|el|en|eo|es|et|eu|fi|fr|ga|gl|he|hi|hr|hy|ia|is|it|ja|ko|la|lo|lt|lv|ml|mr|nl|no|nn|oc|pl|pt|pt_BR|ro|ru|sa|se|sk|sl|sq|sr|sv|ta|te|th|tk|tr|uk|ur|vi|zh)}
-Regexp.new(lngs, Regexp::IGNORECASE)
-argv=$*
-argv.sort.each{|y| (y =~/^--\S+$/i) ? (flags << y) : (texfiles_with_path << y) }
-if flags.length==0 \
-|| flags.inspect =~/"--help"/
-  cmd=(/([^\/]+)$/).match($0)[1]
-  puts <<WOK
-#{cmd} --help
-#{cmd} --out=[output path]
-#{cmd} --paper-size=a5 --out=~/test
-WOK
-end
-paper_size = (flags.inspect.match(/"--paper-size=(a4|a5|b5|letter|legal)"/)) ? $1 : "a4"
-out_path = Dir.pwd
-if (flags.inspect.match(/"--out=\S+"/))
-  out_path = flags.inspect.match(/"--out=(\S+)"/)[1]
-  unless (FileTest.directory?(out_path))
-    puts "Creating output directory: --out=#{out_path}"
-    FileUtils::mkdir_p(out_path)
-    unless (FileTest.directory?(out_path))
-      puts "FAILS unable to create directory: #{out_path}"
-      exit
-    end
-  end
-end
-if texfiles_with_path.length == 0
-  texfiles_with_path=Dir.glob('*.tex')
-end
-if texfiles_with_path.length > 0
-  texfiles_with_path.each do |texfile_with_path|
-    if texfile_with_path =~/.+\.tex/
-      #puts texfile_with_path
-      if FileTest.file?(texfile_with_path)
-        file_basename_with_path = texfile_with_path.sub(/\.tex$/,'')
-        file_basename = file_basename_with_path.sub(/.*?([^\/]+)$/,'\1')
-        _out_path = out_path
-        if file_basename =~ /\.#{lngs}$/
-          lng = file_basename.match(/\.#{lngs}$/)[1]
-          puts file_basename
-          puts lng
-          puts _out_path
-          unless _out_path.match(/\/#{lng}\/pdf$/)
-            _out_path = "#{out_path}/#{lng}/pdf"
-            FileUtils::mkdir_p(_out_path)
-          end
-        end
-        texpdf_cmd = %{xetex -interaction=batchmode -fmt=xelatex -papersize=#{paper_size} #{texfile_with_path}\n}
-        puts texpdf_cmd
-        2.times { |i| system(texpdf_cmd) }
-        if (FileTest.file?(%{#{pwd}/#{file_basename}.pdf})) && (FileTest.directory?(_out_path))
-          FileUtils::Verbose::mv(%{#{pwd}/#{file_basename}.pdf}, %{#{_out_path}/#{file_basename}.pdf})
-          puts (%{#{_out_path}/#{file_basename}.pdf})
-        else
-          puts "issue with pdf file or output directory"
-          puts "pdf file:   #{pwd}/#{file_basename}.pdf}"
-          puts "output dir: #{_out_path}/"
-        end
-        suffix = ['log', 'out', 'toc', 'aux']
-        suffix.each { |s| FileUtils::rm_f(%{#{pwd}/#{file_basename}.#{s}})}
-      end
-    end
-  end
-end
-Dir.chdir(pwd)
-__END__
-#+END_SRC
diff --git a/org/output_odt.org b/org/output_odt.org
deleted file mode 100644
index 0a7f93d..0000000
--- a/org/output_odt.org
+++ /dev/null
@@ -1,2517 +0,0 @@
--*- mode: org -*-
-#+TITLE:       doc_reform output odt
-#+DESCRIPTION: documents - structuring, publishing in multiple formats & search
-#+FILETAGS:    :spine:output:xml:odt:
-#+AUTHOR:      Ralph Amissah
-#+EMAIL:       [[mailto:ralph.amissah@gmail.com][ralph.amissah@gmail.com]]
-#+COPYRIGHT:   Copyright (C) 2015 - 2019 Ralph Amissah
-#+LANGUAGE:    en
-#+STARTUP:     indent content hideblocks hidestars
-#+OPTIONS:     H:3 num:nil toc:t \n:nil @:t ::t |:t ^:nil _:nil -:t f:t *:t <:t
-#+OPTIONS:     TeX:t LaTeX:t skip:nil d:nil todo:t pri:nil tags:not-in-toc
-#+OPTIONS:     author:nil email:nil creator:nil timestamp:nil
-#+PROPERTY:    header-args :results silent :padline no :exports code :cache no :noweb yes
-#+EXPORT_SELECT_TAGS:  export
-
-- [[./spine.org][spine]]  [[./][org/]]
-- [[./output_hub.org][output_hub]]
-
-* odt                                                                   :odt:
-
-- cover object types
-- zip contents
-- xml closures? unnecessary, this is sax rather than dom no?
-
-|---------------------------------+-----------------------+-------------------+------------------------+------------------|
-| function                        | filename              | module            | variable               | output_odt       |
-|---------------------------------+-----------------------+-------------------+------------------------+------------------|
-| identify doc filetype           | mimetype              | odt_mimetypes     | mimetypes              | output_odt_fixed |
-|---------------------------------+-----------------------+-------------------+------------------------+------------------|
-| doc manifest                    | manifest.rdf          |                   |                        | output_odt_fixed |
-|---------------------------------+-----------------------+-------------------+------------------------+------------------|
-| settings                        | settings.xml          | outputODTsettings |                        | output_odt_fixed |
-|---------------------------------+-----------------------+-------------------+------------------------+------------------|
-| doc xml styles                  | styles.xml            | outputODTstyles   |                        | output_odt_fixed |
-|---------------------------------+-----------------------+-------------------+------------------------+------------------|
-| identify doc root * (imagelist) | META-INF/manifest.xml | odt_container_xml | meta_inf_container_xml |                  |
-|---------------------------------+-----------------------+-------------------+------------------------+------------------|
-| doc content *                   | content.xml           | odt_content       | content_odt            |                  |
-|---------------------------------+-----------------------+-------------------+------------------------+------------------|
-| images *                        | Pictures/             |                   |                        | copy_odt_images  |
-|---------------------------------+-----------------------+-------------------+------------------------+------------------|
-| doc meta * (timestamp)          | meta.xml              | odt_metadata      |                        |                  |
-|---------------------------------+-----------------------+-------------------+------------------------+------------------|
-
-** _module template_                                          :odf:odt:module:
-
-#+BEGIN_SRC d :tangle "../src/doc_reform/output/odt.d" :noweb yes
-module doc_reform.output.odt;
-template formatODT() {
-  <<output_imports>>
-  mixin DocReformOutputRgxInit;
-  struct formatODT {
-    static auto rgx = Rgx();
-    <<odt_format_objects>>
-  }
-}
-template outputODT() {
-  <<output_imports>>
-  mixin InternalMarkup;
-  mixin DocReformOutputRgxInit;
-  auto rgx = Rgx();
-  // mixin outputXmlODT;
-  <<output_odt_variable_content_xml>>
-  <<output_odt_variable_manifest_xml>>
-  <<output_odt_variable_copy_odt_images>>
-  <<output_odt_variable_meta_xml>>
-  <<output_odt_fixed_dirtree>>
-  <<output_odt_fixed_mimetype>>
-  <<output_odt_fixed_manifest_rdf>>
-  <<output_odt_fixed_settings_xml>>
-  <<output_odt_fixed_styles_xml>>
-  <<output_odt_write>>
-  <<output_odt>>
-}
-#+END_SRC
-
-** odt format objects
-*** detail
-**** odf structure
-
-- unless code
-  - images
-  - links
-    - internal / relative
-    - external
-
-**** object attrib
-***** tags
-
-#+name: odt_format_objects
-#+BEGIN_SRC d
-string _tags(O)(const O obj){
-  string _tags = "";
-  if (obj.tags.anchor_tags.length > 0) {
-    foreach (tag_; obj.tags.anchor_tags) {
-      if (tag_.length > 0) {
-        _tags ~= format(q"┃<text:span text:style-name="Span_subscript">
-    <text:bookmark-start text:name="%s"/>
-    <text:bookmark-end text:name="%s"/>
-  </text:span>
-┃",
-          _special_characters(tag_, obj),
-          _special_characters(tag_, obj),
-        );
-      }
-    }
-  }
-  return _tags;
-}
-#+END_SRC
-
-****** anchor tags
-
-#+name: odt_format_objects
-#+BEGIN_SRC d
-string _xhtml_anchor_tags(O)(O obj) {
-  const(string[]) anchor_tags = obj.tags.anchor_tags;
-  string tags="";
-  if (anchor_tags.length > 0) {
-    foreach (tag; anchor_tags) {
-      if (!(tag.empty)) {
-        tags ~= "<a name=\"" ~ tag ~ "\"></a>";
-      }
-    }
-  }
-  return tags;
-}
-#+END_SRC
-
-***** ocn object number display
-
-#+name: odt_format_objects
-#+BEGIN_SRC d
-string obj_num(O)(const O obj){ // TODO
-  string _on;
-  _on = (obj.metainfo.object_number.empty)
-  ? ""
-  : (format(q"┃
-  <text:span text:style-name="Span_subscript">「%s」</text:span>┃",
-      obj.metainfo.object_number,
-    ));
-  return _on;
-}
-#+END_SRC
-
-***** footnotes
-
-#+name: odt_format_objects
-#+begin_src d
-string _footnotes()(string _txt){
-  static auto rgx = Rgx();
-  _txt = _txt.replaceAll(
-    rgx.inline_notes_al_regular_number_note,
-    format(q"┃<text:note text:id="ftn%s" text:note-class="footnote">
-  <text:note-citation>
-    %s
-  </text:note-citation>
-  <text:note-body>
-    <text:p text:style-name="Footnote">
-      %s
-    </text:p>
-  </text:note-body>
-</text:note>┃",
-      "$1", "$1", "$2",
-    )
-  );
-  return _txt;
-}
-#+end_src
-
-***** bullet
-
-#+name: odt_format_objects
-#+BEGIN_SRC d
-string _bullet(O)(const O obj){
-  string _b = "";
-  if (obj.attrib.bullet) {
-    _b = format(q"┃● ┃",);
-  }
-  return _b;
-}
-#+END_SRC
-
-***** para (with bullet, indent levels, footnotes extracted)
-
-#+name: odt_format_objects
-#+BEGIN_SRC d
-string _indent(O)(string _txt, const O obj) { // TODO
-  // if (obj.attrib.indent_base > 0 ||
-  //   obj.attrib.indent_hang > 0
-  // ) {
-  if (obj.metainfo.is_a == "toc") {
-    _txt = format(q"┃
-%s<text:h text:style-name="H_%s" text:outline-level="%s">
-  %s%s%s
-</text:h>┃",
-      (obj.attrib.indent_base < 4)
-      ? "<text:p text:style-name=\"Standard\"/>\n    " : "",
-      obj.attrib.indent_base,
-      obj.attrib.indent_base,
-      _tags(obj),
-      _txt,
-      obj_num(obj),
-    );
-  } else if (!empty(obj.metainfo.object_number)) {
-    if (obj.attrib.indent_base == 0 && obj.attrib.indent_hang == 0) {
-      _txt = format(q"┃
-<text:p text:style-name="P_normal">%s
-  <text:span text:style-name="Span_subscript">
-    <text:bookmark-start text:name="%s"/>
-    <text:bookmark-end text:name="%s"/>
-  </text:span>
-  %s%s%s
-</text:p>┃",
-        _bullet(obj),
-        obj.metainfo.object_number,
-        obj.metainfo.object_number,
-        _tags(obj),
-        _txt,
-        obj_num(obj),
-      );
-    } else if (obj.attrib.indent_base == obj.attrib.indent_hang) {
-      _txt = format(q"┃
-<text:p text:style-name="P_indent_%s">%s
-  <text:span text:style-name="Span_subscript">
-    <text:bookmark-start text:name="%s"/>
-    <text:bookmark-end text:name="%s"/>
-  </text:span>
-  %s%s%s
-</text:p>┃",
-        obj.attrib.indent_base,
-        _bullet(obj),
-        obj.metainfo.object_number,
-        obj.metainfo.object_number,
-        _tags(obj),
-        _txt,
-        obj_num(obj),
-      );
-    } else {
-      _txt = format(q"┃
-<text:p text:style-name="P_h%s_i%s">%s
-  <text:span text:style-name="Span_subscript">
-    <text:bookmark-start text:name="%s"/>
-    <text:bookmark-end text:name="%s"/>
-  </text:span>
-  %s%s%s
-</text:p>┃",
-        obj.attrib.indent_base,
-        obj.attrib.indent_hang,
-        _bullet(obj),
-        obj.metainfo.object_number,
-        obj.metainfo.object_number,
-        _tags(obj),
-        _txt,
-        obj_num(obj),
-      );
-    }
-  } else {
-    if (obj.attrib.indent_base == 0 && obj.attrib.indent_hang == 0) { /+ can omit and would explicitly set indent base and hang as 0 each below +/
-      _txt = format(q"┃
-<text:p text:style-name="P_normal">%s
-  %s%s%s
-</text:p>┃",
-        _bullet(obj),
-        _tags(obj),
-        _txt,
-        obj_num(obj),
-      );
-    } else if (obj.attrib.indent_base == obj.attrib.indent_hang) {
-      _txt = format(q"┃
-<text:p text:style-name="P_indent_%s">%s
-  %s%s%s
-</text:p>┃",
-        obj.attrib.indent_base,
-        _bullet(obj),
-        _tags(obj),
-        _txt,
-        obj_num(obj),
-      );
-    } else {
-      _txt = format(q"┃
-<text:p text:style-name="P_h%s_i%s">%s
-  %s%s%s
-</text:p>┃",
-        _bullet(obj),
-        obj.attrib.indent_base,
-        obj.attrib.indent_hang,
-        _tags(obj),
-        _txt,
-        obj_num(obj),
-      );
-    }
-  }
-  return _txt;
-}
-#+END_SRC
-
-***** block type
-
-#+name: odt_format_objects
-#+BEGIN_SRC d
-string _block_type_delimiters(O)(string[] _block_lines, const O obj) { // TODO
-  string _block = "";
-  foreach (i, _line; _block_lines) {
-    _line = _footnotes(_line);
-    if (i == 0) {
-      _block ~= format(q"┃
-<text:p text:style-name="P_group">%s
-    <text:span text:style-name="Span_subscript">
-      <text:bookmark-start text:name="%s"/>
-      <text:bookmark-end text:name="%s"/>
-    </text:span>
-  %s
-</text:p>┃",
-        _bullet(obj),
-        obj.metainfo.object_number,
-        obj.metainfo.object_number,
-        // _tags(obj),
-        _line,
-      );
-    } else {
-      _block ~= format(q"┃
-<text:p text:style-name="P_group">%s</text:p>┃",
-        _line);
-    }
-  }
-  _block ~= format(q"┃
-<text:p text:style-name="P_group">
-  <text:span text:style-name="Span_subscript">「%s」</text:span>
-</text:p>
-<text:p text:style-name="Standard"/>┃",
-    obj_num(obj));
-  return _block;
-}
-#+END_SRC
-
-**** object inline
-
-***** special characters
-
-#+name: odt_format_objects
-#+BEGIN_SRC d
-string _special_characters(O)(string _txt, const O obj) {
-  _txt = _txt
-    .replaceAll(rgx.xhtml_ampersand,    "&amp;")
-    .replaceAll(rgx.xhtml_quotation,    "&#34;")
-    .replaceAll(rgx.xhtml_less_than,    "&lt;")
-    .replaceAll(rgx.xhtml_greater_than, "&gt;")
-    .replaceAll(rgx.nbsp_char,          "&#160;");
-  return _txt;
-}
-#+END_SRC
-
-***** preserve white space
-
-#+name: odt_format_objects
-#+BEGIN_SRC d
-string _preserve_white_spaces(O)(string _txt, const O obj) {
-  if (obj.metainfo.is_a == "code" || obj.metainfo.is_a == "verse" || obj.metainfo.is_a == "block") {
-    _txt = _txt
-      .replaceAll(rgx.space,      "&#160;");
-  }
-  return _txt;
-}
-#+END_SRC
-
-***** font_face
-
-#+name: odt_format_objects
-#+BEGIN_SRC d
-string _font_face(string _txt){
-  _txt = _txt
-    .replaceAll(rgx.inline_strike,      "<del>$1</del>")
-    .replaceAll(rgx.inline_insert,      "<ins>$1</ins>")
-    .replaceAll(rgx.inline_cite,        "<cite>$1</cite>")
-    .replaceAll(rgx.inline_emphasis,    format(q"┃<text:span text:style-name="Span_bold">%s</text:span>┃","$1"))
-    .replaceAll(rgx.inline_bold,        format(q"┃<text:span text:style-name="Span_bold">%s</text:span>┃","$1"))
-    .replaceAll(rgx.inline_italics,     format(q"┃<text:span text:style-name="Span_italic">%s</text:span>┃","$1"))
-    .replaceAll(rgx.inline_underscore,  format(q"┃<text:span text:style-name="Span_underscore">%s</text:span>┃","$1"))
-    .replaceAll(rgx.inline_superscript, format(q"┃<text:span text:style-name="Span_superscript">%s</text:span>┃","$1"))
-    .replaceAll(rgx.inline_subscript,   format(q"┃<text:span text:style-name="Span_subscript">%s</text:span>┃","$1"))
-    .replaceAll(rgx.inline_mono,        format(q"┃<text:span text:style-name="Span_monospace">%s</text:span>┃","$1"));
-  return _txt;
-}
-#+END_SRC
-
-***** object number
-
-#+name: odt_format_objects
-#+BEGIN_SRC d
-auto _obj_num(O)(O obj) { // NOT USED YET
-  struct objNum {
-    string reference() {
-      return format(q"┃<text:span text:style-name="Span_subscript">
-    <text:bookmark-start text:name="%s"/>
-    <text:bookmark-end text:name="%s"/>
-  </text:span>┃",
-        obj.object_number,
-        obj.object_number,
-      );
-    }
-    string display() {
-      return format(q"┃<text:span text:style-name="Span_subscript">
-  %s%s%s
-  </text:span>┃",
-        on_o,
-        obj.object_number,
-        on_c,
-      );
-    }
-  }
-  return objNum();
-}
-#+END_SRC
-
-***** break page
-
-#+name: odt_format_objects
-#+BEGIN_SRC d
-string _break_page()() {
-  return format(q"┃
-<text:p text:style-name="P_normal_page_new"/>
-┃",
-  );
-}
-#+END_SRC
-
-#+BEGIN_SRC d
-string _break_page()() {
-  return format(q"┃
-<text:p text:style-name="P_page_break"> </text:p>
-<text:p text:style-name="P_normal_page_new"/>┃",
-  );
-}
-#+END_SRC
-
-***** empty lines break
-
-#+name: odt_format_objects
-#+BEGIN_SRC d
-string _empty_line_break(O)(string _txt, const O obj) {
-  if (obj.metainfo.is_a == "code" || obj.metainfo.is_a == "verse" || obj.metainfo.is_a == "block") {
-    _txt = _txt
-      .replaceAll(rgx.br_empty_line,    "<br />");
-  }
-  return _txt;
-}
-#+END_SRC
-
-***** links: url, mail
-
-#+name: odt_format_objects
-#+BEGIN_SRC d
-string _links(O)(string _txt, const O obj) {
-  if (obj.metainfo.is_a != "code") {
-    if (obj.metainfo.is_a == "toc") {
-      _txt = replaceAll!(m =>
-         m[1] ~ "┤"
-         ~ (replaceAll!(n =>
-             n["type"] ~ n["path"] ~ (n["file"].encodeComponent)
-           )((obj.stow.link[m["num"].to!ulong]).to!string, rgx.uri_identify_components))
-         ~ "├"
-      )(_txt, rgx.inline_link_number_only)
-        .replaceAll(rgx.inline_link,
-          format(q"┃<text:bookmark-ref text:reference-format="text" text:ref-name="%s">%s</text:bookmark-ref>┃",
-            _special_characters("$3", obj),
-            _special_characters("$1", obj)
-          ));
-    } else {
-      _txt = replaceAll!(m =>
-         m[1] ~ "┤"
-         ~ (replaceAll!(n =>
-             n["type"] ~ n["path"] ~ (n["file"].encodeComponent)
-           )((obj.stow.link[m["num"].to!ulong]).to!string, rgx.uri_identify_components))
-         ~ "├"
-      )(_txt, rgx.inline_link_number_only)
-        .replaceAll(rgx.inline_link,
-          format(q"┃<text:a xl:type="simple" xl:href="%s">%s</text:a>┃",
-            _special_characters("$2", obj),
-            _special_characters("$1", obj)
-          ));
-    }
-  }
-  debug(links) {
-    if (obj.text.match(rgx.inline_link_number)
-      && _txt.match(rgx.inline_link_number_only)
-    ) {
-        writeln(">>    ", _txt);
-        writeln("is_a: ", obj.metainfo.is_a);
-    }
-  }
-  return _txt;
-}
-#+END_SRC
-
-***** image
-
-#+name: odt_format_objects
-#+BEGIN_SRC d
-string _images(O)(string _txt, const O obj) {
-  if (_txt.match(rgx.inline_image)) {
-    _txt = _txt
-      .replaceAll(rgx.inline_image,
-        ("$1<draw:frame draw:style-name=\"fr1\" draw:name=\"graphics12\" text:anchor-type=\"as-char\" svg:width=\"$4px\" svg:height=\"$5px\" draw:z-index=\"2\"><draw:image xl:href=\"Pictures/$3\" xl:type=\"simple\" xl:show=\"embed\" xl:actuate=\"onLoad\"/></draw:frame> $6"))
-      .replaceAll(
-        rgx.inline_link_empty,
-        ("$1"));
-  }
-  return _txt;
-}
-#+END_SRC
-
-**** markup hub (including font face)
-
-#+name: odt_format_objects
-#+BEGIN_SRC d
-string markup(O)(const O obj) {
-  /+ markup TODO +/
-  string _txt = obj.text;
-  _txt = _special_characters(_txt, obj);     // TODO & why both obj & obj.text, consider also in output_xmls.org
-  if (obj.metainfo.is_a == "code" || obj.metainfo.is_a == "verse" || obj.metainfo.is_a == "block") {
-    _txt = replaceAll!(m => _preserve_white_spaces(m[1], obj))(_txt, rgx.spaces_keep);
-  } // check that this does what you want, keep: leading spaces (indent) & more than single spaces within text
-  // _txt = _preserve_white_spaces(_txt, obj);  // (obj.metainfo.is_a == "code" || obj.metainfo.is_a == "verse" || obj.metainfo.is_a == "block")
-  _txt = _font_face(_txt);
-  _txt = _images(_txt, obj);                  // (obj.metainfo.is_a != "code")
-  _txt = _links(_txt, obj);                  // (obj.metainfo.is_a != "code")
-  _txt = _empty_line_break(_txt, obj);       // (obj.metainfo.is_a == "code" || obj.metainfo.is_a == "verse" || obj.metainfo.is_a == "block")
-  return _txt;
-}
-#+END_SRC
-
-*** objects
-**** para type
-***** heading
-
-#+name: odt_format_objects
-#+BEGIN_SRC d
-string heading(O,M)(
-  const        O  obj,
-  const        M  doc_matters,
-) {
-  assert(obj.metainfo.is_of_part    == "body" || "frontmatter" || "backmatter");
-  assert(obj.metainfo.is_of_section == "body" || "toc" || "endnotes" || "glossary" || "bibliography" || "bookindex" || "blurb");
-  assert(obj.metainfo.is_of_type    == "para");
-  assert(obj.metainfo.is_a          == "heading");
-  string _o_txt_odt = markup(obj);
-  if (obj.metainfo.dummy_heading
-    && (obj.metainfo.is_a == "toc" || obj.metainfo.is_a == "heading")) {
-    _o_txt_odt = "";
-  } else if (obj.metainfo.is_a == "toc") {
-    _o_txt_odt = format(q"┃%s<text:h text:style-name="H_%s" text:outline-level="%s">
-  %s%s%s
-</text:h>┃",
-      _break_page,
-      obj.metainfo.heading_lev_markup,
-      obj.metainfo.heading_lev_markup,
-      _tags(obj),
-      _o_txt_odt,
-      obj_num(obj),
-    );
-  } else {
-    _o_txt_odt = _footnotes(_o_txt_odt);
-    _o_txt_odt = format(q"┃%s<text:h text:style-name="H_%s" text:outline-level="%s">
-  <text:span text:style-name="Span_subscript">
-    <text:bookmark-start text:name="%s"/>
-    <text:bookmark-end text:name="%s"/>
-  </text:span>
-  %s%s%s
-</text:h>┃",
-      _break_page,
-      obj.metainfo.heading_lev_markup,
-      obj.metainfo.heading_lev_markup,
-      obj.metainfo.object_number,
-      obj.metainfo.object_number,
-      _tags(obj),
-      _o_txt_odt,
-      obj_num(obj),
-    );
-  }
-  return _o_txt_odt;
-}
-#+END_SRC
-
-***** para
-
-#+name: odt_format_objects
-#+BEGIN_SRC d
-string para(O,M)(
-  const        O  obj,
-  const        M  doc_matters,
-) {
-  assert(obj.metainfo.is_of_part    == "body" || "frontmatter" || "backmatter");
-  assert(obj.metainfo.is_of_section == "body" || "toc" || "endnotes" || "glossary" || "bibliography" || "bookindex" || "blurb");
-  assert(obj.metainfo.is_of_type    == "para");
-  assert(obj.metainfo.is_a          == "para" || "toc" || "endnotes" || "glossary" || "bibliography" || "bookindex" || "blurb");
-  string _o_txt_odt;
-  if (obj.metainfo.dummy_heading
-    && (obj.metainfo.is_a == "toc" || obj.metainfo.is_a == "heading")) {
-    _o_txt_odt = "";
-  } else {
-    _o_txt_odt = markup(obj);
-    _o_txt_odt = _footnotes(_o_txt_odt);
-    _o_txt_odt = _indent(_o_txt_odt, obj); // final setting?
-  }
-  return _o_txt_odt;
-}
-#+END_SRC
-
-**** block type
-***** quote
-
-#+name: odt_format_objects
-#+BEGIN_SRC d
-string quote(O,M)(
-  const        O  obj,
-  const        M  doc_matters,
-) {
-  assert(obj.metainfo.is_of_part    == "body");
-  assert(obj.metainfo.is_of_section == "body" || "glossary" || "bibliography" || "bookindex" || "blurb");
-  assert(obj.metainfo.is_of_type    == "block");
-  assert(obj.metainfo.is_a          == "quote");
-  string _o_txt_odt = markup(obj);
-  _o_txt_odt = _footnotes(_o_txt_odt); // decide
-  return _o_txt_odt;
-}
-#+END_SRC
-
-***** group
-- group delimiter
-  - preserves double newlines (paragraph delimiter)
-- the "group" delimiter is different from the "block" delimiter in that groups do not preserve whitespace, the "block" mark does
-
-#+name: odt_format_objects
-#+BEGIN_SRC d
-string group(O,M)(
-  const        O  obj,
-  const        M  doc_matters,
-) {
-  assert(obj.metainfo.is_of_part    == "body");
-  assert(obj.metainfo.is_of_section == "body" || "glossary" || "bibliography" || "bookindex" || "blurb");
-  assert(obj.metainfo.is_of_type    == "block");
-  assert(obj.metainfo.is_a          == "group");
-  string _o_txt_odt = markup(obj);
-  /+ TODO
-    - split lines
-      - only double newlines (paragraph delimiter), (not line breaks, single new lines)
-    - no hard space indentation
-  +/
-  string[] _block_lines = (_o_txt_odt).split(rgx.br_newlines_linebreaks);
-  _o_txt_odt = _block_type_delimiters(_block_lines, obj);
-  return _o_txt_odt;
-}
-#+END_SRC
-
-***** block
-- block delimiter
-  - preserves spaces
-  - preserves newlines
-- the "block" delimiter is different from the "group" delimiter, in that blocks preserve whitespace, the "group" mark does not
-
--
-  - split lines
-    - each line including empty lines
-  - hard space indentation
-    - "^[ ]" &#160;
-    - count number only at beginning of line and replace each
-
-#+name: odt_format_objects
-#+BEGIN_SRC d
-string block(O,M)(
-  const        O  obj,
-  const        M  doc_matters,
-) {
-  assert(obj.metainfo.is_of_part    == "body");
-  assert(obj.metainfo.is_of_section == "body" || "glossary" || "bibliography" || "bookindex" || "blurb");
-  assert(obj.metainfo.is_of_type    == "block");
-  assert(obj.metainfo.is_a          == "block");
-  string _o_txt_odt = markup(obj);
-  string[] _block_lines = (_o_txt_odt).split(rgx.br_newlines_linebreaks);
-  _o_txt_odt = _block_type_delimiters(_block_lines, obj);
-  return _o_txt_odt;
-}
-#+END_SRC
-
-***** verse
-- poem delimiters
-  - creates verses where double newlines occur (paragraph delimiter)
-  - preserves spaces
-  - preserves newlines
-
-#+name: odt_format_objects
-#+BEGIN_SRC d
-string verse(O,M)(
-  const        O  obj,
-  const        M  doc_matters,
-) {
-  assert(obj.metainfo.is_of_part    == "body");
-  assert(obj.metainfo.is_of_section == "body" || "glossary" || "bibliography" || "bookindex" || "blurb");
-  assert(obj.metainfo.is_of_type    == "block");
-  assert(obj.metainfo.is_a          == "verse");
-  string _o_txt_odt = markup(obj);
-  string[] _block_lines = (_o_txt_odt).split(rgx.br_newlines_linebreaks);
-  _o_txt_odt = _block_type_delimiters(_block_lines, obj);
-  return _o_txt_odt;
-}
-#+END_SRC
-
-***** code
-
-#+name: odt_format_objects
-#+BEGIN_SRC d
-string code(O,M)(
-  const        O  obj,
-  const        M  doc_matters,
-) {
-  assert(obj.metainfo.is_of_part    == "body");
-  assert(obj.metainfo.is_of_section == "body");
-  assert(obj.metainfo.is_of_type    == "block");
-  assert(obj.metainfo.is_a          == "code");
-  string _o_txt_odt = markup(obj);
-  /+ TODO
-    - split lines
-      - each line including empty lines
-    - hard space indentation
-      - "^[ ]" &#160;
-      - count number only at beginning of line and replace each
-  +/
-  string[] _block_lines = (_o_txt_odt).split(rgx.br_newlines_linebreaks);
-  string _block = "";
-  foreach (i, _line; _block_lines) {
-    if (i == 1) {
-      _block ~= format(q"┃
-<text:p text:style-name="P_code">
-<text:span text:style-name="Span_subscript">
-  <text:bookmark-start text:name="%s"/>
-  <text:bookmark-end text:name="%s"/>
-</text:span>
-%s
-</text:p>┃",
-        obj.metainfo.object_number,
-        obj.metainfo.object_number,
-        _line,
-      );
-    } else {
-      _block ~= format(q"┃
-<text:p text:style-name="P_code">%s</text:p>┃",
-        _line);
-    }
-  }
-  _block ~= format(q"┃
-<text:p text:style-name="P_group">
-  <text:span text:style-name="Span_subscript">「%s」</text:span>
-</text:p>
-<text:p text:style-name="Standard"/>┃",
-     obj_num(obj));
-  _o_txt_odt = _block;
-  return _o_txt_odt;
-}
-#+END_SRC
-
-***** table
-****** tablarize
-
-#+name: odt_format_objects
-#+BEGIN_SRC d
-auto tablarize(O)(
-  const        O    obj,
-  string            _txt,
-) {
-  string[] _table_rows = (_txt).split(rgx.table_delimiter_row);
-  string[] _table_cols;
-  string _table;
-  string _tablenote;
-  foreach(row_idx, row; _table_rows) {
-    _table_cols = row.split(rgx.table_delimiter_col);
-      _table ~= "<table:table-row>";
-      foreach(col_idx, cell; _table_cols) {
-        if ((_table_cols.length == 1)
-        && (_table_rows.length <= row_idx+2)) { // check row_idx+2 (rather than == ++row_idx)
-          _tablenote ~= cell;
-        } else {
-          _table ~= format(q"┃<table:table-cell office:value-type="string">
-<text:p text:style-name="%s">
-%s
-</text:p>
-</table:table-cell>┃",
-            (row_idx == 0 && obj.table.heading) ? "Table_Heading" : "P_table_cell",
-            cell,
-          );
-        }
-      }
-      _table ~= "</table:table-row>";
-    }
-  auto t = tuple(
-    _table,
-    _tablenote,
-  );
-  return t;
-}
-#+END_SRC
-
-****** table
-
-#+name: odt_format_objects
-#+BEGIN_SRC d
-int _table_number = 0;
-string table(O,M)(
-  const        O  obj,
-  const        M  doc_matters,
-) {
-  assert(obj.metainfo.is_of_part    == "body");
-  assert(obj.metainfo.is_of_section == "body");
-  assert(obj.metainfo.is_of_type    == "block");
-  assert(obj.metainfo.is_a          == "table");
-  string _o_txt_odt = markup(obj);
-  auto t = tablarize(obj, _o_txt_odt);
-  string _note = t[1];
-  _o_txt_odt = format(q"┃
-<table:table table:name="Table%s" table:style-name="Table1">
-  <text:span text:style-name="Span_subscript">
-    <text:bookmark-start text:name="%s"/>
-    <text:bookmark-end text:name="%s"/>
-  </text:span>
-  <table:table-column table:style-name="Table1.D" table:number-columns-repeated="%s"/>
-      %s
-    </table:table>
-    <text:p text:style-name="P_group">
-  <text:span text:style-name="Span_subscript">「%s」</text:span>
-</text:p>┃",
-    _table_number++,
-    obj.metainfo.object_number,
-    obj.metainfo.object_number,
-    obj.table.number_of_columns,
-    t[0],
-    obj.metainfo.object_number,
-    // _note,
-  );
-  return _o_txt_odt;
-}
-#+END_SRC
-
-** write odt output                                            :odf:odt:out:
-
-#+name: output_odt
-#+BEGIN_SRC d
-void writeOutputODT(W,I)(
-  const W    odt_content,
-        I    doc_matters,
-) {
-  auto pth_odt = DocReformPathsODT!()(doc_matters);
-  auto fn_odt = pth_odt.odt_file;
-  auto zip = new ZipArchive(); // ZipArchive zip = new ZipArchive();
-  void ODTzip()(string contents, string fn) {
-    auto zip_arc_member_file = new ArchiveMember();
-    zip_arc_member_file.name = fn;
-    auto zip_data = new OutBuffer();
-    (doc_matters.opt.action.debug_do)
-    ? zip_data.write(contents.dup)
-    : zip_data.write(contents.dup
-      .replaceAll(rgx.spaces_line_start, "")
-      .replaceAll(rgx.newline, "")
-      .strip
-    );
-    zip_arc_member_file.expandedData = zip_data.toBytes();
-    zip.addMember(zip_arc_member_file);
-    createZipFile!()(fn_odt, zip.build());
-  }
-  try {
-    if (!exists(pth_odt.base_pth)) { // check
-      pth_odt.base_pth.mkdirRecurse;
-    }
-    string fn;
-    File f;
-    { fn = pth_odt.mimetype("zip");
-      ODTzip(odt_content.mimetype, fn);
-    }
-    { fn = pth_odt.manifest_rdf("zip");
-      ODTzip(odt_content.manifest_rdf, fn);
-    }
-    { fn = pth_odt.settings_xml("zip");
-      ODTzip(odt_content.settings_xml, fn);
-    }
-    { fn = pth_odt.styles_xml("zip");
-      ODTzip(odt_content.styles_xml, fn);
-    }
-    { fn = pth_odt.content_xml("zip");
-      ODTzip(odt_content.content_xml, fn);
-    }
-    { fn = pth_odt.manifest_xml("zip");
-      ODTzip(odt_content.manifest_xml, fn);
-    }
-    { fn = pth_odt.meta_xml("zip");
-      ODTzip(odt_content.meta_xml, fn);
-    }
-    { /+ (images) +/
-      foreach (image; doc_matters.srcs.image_list) {
-        auto fn_src = doc_matters.src.image_dir_path ~ "/" ~ image;
-        auto fn_out = pth_odt.image_dir("zip") ~ "/" ~ image;
-        if (exists(fn_src)) {
-          {
-            auto zip_arc_member_file = new ArchiveMember();
-            zip_arc_member_file.name = fn_out;
-            auto zip_data = new OutBuffer();
-            zip_data.write(cast(char[]) ((fn_src).read));
-            zip_arc_member_file.expandedData = zip_data.toBytes();
-            zip.addMember(zip_arc_member_file);
-            createZipFile!()(fn_odt, zip.build());
-          }
-        }
-      }
-    }
-    if (!(doc_matters.opt.action.quiet)) {
-      writeln(" ", pth_odt.odt_file);
-    }
-  } catch (ErrnoException ex) {
-    // Handle error
-  }
-  if (doc_matters.opt.action.debug_do) {
-    pth_odt.mimetype("fs");     /+ (mimetype) +/
-    pth_odt.manifest_rdf("fs"); /+ (manifest.rdf) +/
-    pth_odt.settings_xml("fs"); /+ (settings.xml) +/
-    pth_odt.styles_xml("fs");   /+ (styles_xml) +/
-
-    pth_odt.content_xml("fs");
-    pth_odt.manifest_xml("fs");
-    pth_odt.meta_xml("fs");
-  }
-}
-#+END_SRC
-
-** odt output hub [#A]                                         :odf:odt:out:
-
-#+name: output_odt
-#+BEGIN_SRC d
-void outputODT(D,I)(
-  const    D   doc_abstraction,
-           I   doc_matters,
-) {
-  struct ODT {
-  /+ fixed output +/
-    string mimetype;
-    string manifest_rdf;
-    string settings_xml;
-    string styles_xml;
-  /+ variable output +/
-    string content_xml;    // substantive content
-    string manifest_xml;   // image list changes
-    string meta_xml;       // time stamp
-  }
-  // auto pth_odt          = DocReformPathsODT!()(doc_matters);
-  auto odt         = ODT();
-  odt.mimetype     = mimetype;
-  odt.manifest_rdf = manifest_rdf;
-  odt.settings_xml = settings_xml;
-  odt.styles_xml   = styles_xml;
-  odt.content_xml  = content_xml(doc_abstraction, doc_matters);
-  odt.manifest_xml = manifest_xml(doc_matters);
-  odt.meta_xml     = meta_xml(doc_matters);
-  odt.writeOutputODT(doc_matters);
-  dirtree(doc_matters);
-  images_cp(doc_matters);                       // copy images
-}
-#+END_SRC
-
-* stuff
-** shared
-*** output imports
-
-#+name: output_imports
-#+BEGIN_SRC d
-import doc_reform.output;
-import
-  std.digest.sha,
-  std.file,
-  std.outbuffer,
-  std.uri,
-  std.zip,
-  std.conv : to;
-import
-  doc_reform.output.create_zip_file,
-  doc_reform.output.xmls,
-  doc_reform.output.xmls_css;
-#+END_SRC
-
-*** make directory tree
-
-#+name: output_odt_fixed_dirtree
-#+BEGIN_SRC d
-void dirtree(I)(
-  I   doc_matters,
-) {
-  auto pth_odt = DocReformPathsODT!()(doc_matters);
-  if (doc_matters.opt.action.debug_do) { /+ (dir tree) +/
-    if (!exists(pth_odt.meta_inf_dir("fs"))) {
-      pth_odt.meta_inf_dir("fs").mkdirRecurse;
-    }
-    if (!exists(pth_odt.image_dir("fs"))) {
-      pth_odt.image_dir("fs").mkdirRecurse;
-    }
-  }
-  if (!exists(pth_odt.base_pth)) {
-    pth_odt.base_pth.mkdirRecurse;
-  }
-  // return 0;
-}
-#+END_SRC
-
-** fixed items
-*** mimetype                                                     :mimetype:
-
-#+name: output_odt_fixed_mimetype
-#+BEGIN_SRC d
-string mimetype() {
-  string mimetype_ = format(q"┃application/vnd.oasis.opendocument.text┃");
-  return mimetype_;
-}
-#+END_SRC
-
-*** manifest.rdf                                             :manifest_rdf:
-
-#+name: output_odt_fixed_manifest_rdf
-#+BEGIN_SRC d
-string manifest_rdf() {
-  string _manifest_rdf = format(q"┃<?xml version="1.0" encoding="utf-8"?>
-#+END_SRC
-
-#+name: output_odt_fixed_manifest_rdf
-#+BEGIN_SRC xml
-<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#">
-  <rdf:Description rdf:about="styles.xml">
-    <rdf:type rdf:resource="http://docs.oasis-open.org/ns/office/1.2/meta/odf#StylesFile"/>
-  </rdf:Description>
-  <rdf:Description rdf:about="">
-    <ns0:hasPart xmlns:ns0="http://docs.oasis-open.org/ns/office/1.2/meta/pkg#" rdf:resource="styles.xml"/>
-  </rdf:Description>
-  <rdf:Description rdf:about="content.xml">
-    <rdf:type rdf:resource="http://docs.oasis-open.org/ns/office/1.2/meta/odf#ContentFile"/>
-  </rdf:Description>
-  <rdf:Description rdf:about="">
-    <ns0:hasPart xmlns:ns0="http://docs.oasis-open.org/ns/office/1.2/meta/pkg#" rdf:resource="content.xml"/>
-  </rdf:Description>
-  <rdf:Description rdf:about="">
-    <rdf:type rdf:resource="http://docs.oasis-open.org/ns/office/1.2/meta/pkg#Document"/>
-  </rdf:Description>
-</rdf:RDF>
-#+END_SRC
-
-#+name: output_odt_fixed_manifest_rdf
-#+BEGIN_SRC d
-┃");
-  return _manifest_rdf;
-}
-#+END_SRC
-
-*** settings.xml                                                 :settings:
-
-#+name: output_odt_fixed_settings_xml
-#+BEGIN_SRC d
-string settings_xml() {
-  string _settings_xml = format(q"┃<?xml version="1.0" encoding="UTF-8"?>
-#+END_SRC
-
-#+name: output_odt_fixed_settings_xml
-#+BEGIN_SRC xml
-<office:document-settings xmlns:office="urn:oasis:names:tc:opendocument:xmlns:office:1.0" xmlns:xl="http://www.w3.org/1999/xlink" xmlns:config="urn:oasis:names:tc:opendocument:xmlns:config:1.0" xmlns:ooo="http://openoffice.org/2004/office" office:version="1.2">
-  <office:settings>
-    <config:config-item-set config:name="ooo:view-settings">
-      <config:config-item config:name="ViewAreaTop" config:type="int">0</config:config-item>
-      <config:config-item config:name="ViewAreaLeft" config:type="int">0</config:config-item>
-      <config:config-item config:name="ViewAreaWidth" config:type="int">0</config:config-item>
-      <config:config-item config:name="ViewAreaHeight" config:type="int">0</config:config-item>
-      <config:config-item config:name="ShowRedlineChanges" config:type="boolean">true</config:config-item>
-      <config:config-item config:name="InBrowseMode" config:type="boolean">false</config:config-item>
-      <config:config-item-map-indexed config:name="Views">
-        <config:config-item-map-entry>
-          <config:config-item config:name="ViewId" config:type="string">view2</config:config-item>
-          <config:config-item config:name="ViewLeft" config:type="int">0</config:config-item>
-          <config:config-item config:name="ViewTop" config:type="int">0</config:config-item>
-          <config:config-item config:name="VisibleLeft" config:type="int">0</config:config-item>
-          <config:config-item config:name="VisibleTop" config:type="int">0</config:config-item>
-          <config:config-item config:name="VisibleRight" config:type="int">0</config:config-item>
-          <config:config-item config:name="VisibleBottom" config:type="int">0</config:config-item>
-          <config:config-item config:name="ZoomType" config:type="short">0</config:config-item>
-          <config:config-item config:name="ViewLayoutColumns" config:type="short">2</config:config-item>
-          <config:config-item config:name="ViewLayoutBookMode" config:type="boolean">true</config:config-item>
-          <config:config-item config:name="ZoomFactor" config:type="short">100</config:config-item>
-          <config:config-item config:name="IsSelectedFrame" config:type="boolean">false</config:config-item>
-        </config:config-item-map-entry>
-      </config:config-item-map-indexed>
-    </config:config-item-set>
-    <config:config-item-set config:name="ooo:configuration-settings">
-      <config:config-item config:name="ChartAutoUpdate" config:type="boolean">true</config:config-item>
-      <config:config-item config:name="IsLabelDocument" config:type="boolean">false</config:config-item>
-      <config:config-item config:name="MathBaselineAlignment" config:type="boolean">false</config:config-item>
-      <config:config-item config:name="OutlineLevelYieldsNumbering" config:type="boolean">true</config:config-item>
-      <config:config-item config:name="PrintLeftPages" config:type="boolean">true</config:config-item>
-      <config:config-item config:name="DoNotJustifyLinesWithManualBreak" config:type="boolean">false</config:config-item>
-      <config:config-item config:name="AlignTabStopPosition" config:type="boolean">true</config:config-item>
-      <config:config-item config:name="PrintTextPlaceholder" config:type="boolean">false</config:config-item>
-      <config:config-item config:name="UseOldNumbering" config:type="boolean">false</config:config-item>
-      <config:config-item config:name="CurrentDatabaseCommand" config:type="string"/>
-      <config:config-item config:name="ProtectForm" config:type="boolean">false</config:config-item>
-      <config:config-item config:name="PrintBlackFonts" config:type="boolean">false</config:config-item>
-      <config:config-item config:name="PrintProspectRTL" config:type="boolean">false</config:config-item>
-      <config:config-item config:name="SmallCapsPercentage66" config:type="boolean">true</config:config-item>
-      <config:config-item config:name="PrintControls" config:type="boolean">true</config:config-item>
-      <config:config-item config:name="CharacterCompressionType" config:type="short">0</config:config-item>
-      <config:config-item config:name="PrintHiddenText" config:type="boolean">false</config:config-item>
-      <config:config-item config:name="UseFormerTextWrapping" config:type="boolean">false</config:config-item>
-      <config:config-item config:name="IsKernAsianPunctuation" config:type="boolean">false</config:config-item>
-      <config:config-item config:name="PrintProspect" config:type="boolean">false</config:config-item>
-      <config:config-item config:name="PrintEmptyPages" config:type="boolean">true</config:config-item>
-      <config:config-item config:name="UseFormerObjectPositioning" config:type="boolean">false</config:config-item>
-      <config:config-item config:name="ConsiderTextWrapOnObjPos" config:type="boolean">false</config:config-item>
-      <config:config-item config:name="TableRowKeep" config:type="boolean">false</config:config-item>
-      <config:config-item config:name="PrintReversed" config:type="boolean">false</config:config-item>
-      <config:config-item config:name="TabsRelativeToIndent" config:type="boolean">true</config:config-item>
-      <config:config-item config:name="PrintRightPages" config:type="boolean">true</config:config-item>
-      <config:config-item config:name="PrintPaperFromSetup" config:type="boolean">false</config:config-item>
-      <config:config-item config:name="AddFrameOffsets" config:type="boolean">false</config:config-item>
-      <config:config-item config:name="AddParaSpacingToTableCells" config:type="boolean">true</config:config-item>
-      <config:config-item config:name="UpdateFromTemplate" config:type="boolean">false</config:config-item>
-      <config:config-item config:name="AddExternalLeading" config:type="boolean">true</config:config-item>
-      <config:config-item config:name="PrintSingleJobs" config:type="boolean">false</config:config-item>
-      <config:config-item config:name="PrinterIndependentLayout" config:type="string">high-resolution</config:config-item>
-      <config:config-item config:name="LinkUpdateMode" config:type="short">1</config:config-item>
-      <config:config-item config:name="PrintAnnotationMode" config:type="short">0</config:config-item>
-      <config:config-item config:name="UseOldPrinterMetrics" config:type="boolean">true</config:config-item>
-      <config:config-item config:name="RedlineProtectionKey" config:type="base64Binary"/>
-      <config:config-item config:name="PrinterSetup" config:type="base64Binary"/>
-      <config:config-item config:name="IgnoreFirstLineIndentInNumbering" config:type="boolean">false</config:config-item>
-      <config:config-item config:name="CollapseEmptyCellPara" config:type="boolean">true</config:config-item>
-      <config:config-item config:name="PrinterName" config:type="string"/>
-      <config:config-item config:name="InvertBorderSpacing" config:type="boolean">false</config:config-item>
-      <config:config-item config:name="PrintPageBackground" config:type="boolean">true</config:config-item>
-      <config:config-item config:name="DoNotCaptureDrawObjsOnPage" config:type="boolean">false</config:config-item>
-      <config:config-item config:name="ApplyUserData" config:type="boolean">true</config:config-item>
-      <config:config-item config:name="TabAtLeftIndentForParagraphsInList" config:type="boolean">false</config:config-item>
-      <config:config-item config:name="UnxForceZeroExtLeading" config:type="boolean">true</config:config-item>
-      <config:config-item config:name="SaveVersionOnClose" config:type="boolean">false</config:config-item>
-      <config:config-item config:name="PrintFaxName" config:type="string"/>
-      <config:config-item config:name="AddParaTableSpacing" config:type="boolean">true</config:config-item>
-      <config:config-item config:name="PrintDrawings" config:type="boolean">true</config:config-item>
-      <config:config-item config:name="LoadReadonly" config:type="boolean">false</config:config-item>
-      <config:config-item config:name="PrintGraphics" config:type="boolean">true</config:config-item>
-      <config:config-item config:name="FieldAutoUpdate" config:type="boolean">true</config:config-item>
-      <config:config-item config:name="AllowPrintJobCancel" config:type="boolean">true</config:config-item>
-      <config:config-item config:name="UseFormerLineSpacing" config:type="boolean">false</config:config-item>
-      <config:config-item config:name="SaveGlobalDocumentLinks" config:type="boolean">false</config:config-item>
-      <config:config-item config:name="CurrentDatabaseDataSource" config:type="string"/>
-      <config:config-item config:name="IgnoreTabsAndBlanksForLineCalculation" config:type="boolean">false</config:config-item>
-      <config:config-item config:name="CurrentDatabaseCommandType" config:type="int">0</config:config-item>
-      <config:config-item config:name="DoNotResetParaAttrsForNumFont" config:type="boolean">false</config:config-item>
-      <config:config-item config:name="ClipAsCharacterAnchoredWriterFlyFrames" config:type="boolean">false</config:config-item>
-      <config:config-item config:name="PrintTables" config:type="boolean">true</config:config-item>
-      <config:config-item config:name="AddParaTableSpacingAtStart" config:type="boolean">true</config:config-item>
-    </config:config-item-set>
-  </office:settings>
-</office:document-settings>
-#+END_SRC
-
-#+name: output_odt_fixed_settings_xml
-#+BEGIN_SRC d
-┃");
-  return _settings_xml;
-}
-#+END_SRC
-
-*** styles.xml                                                 :styles_xml:
-
-#+name: output_odt_fixed_styles_xml
-#+BEGIN_SRC d
-string styles_xml() {
-  string _styles_xml = format(q"┃<?xml version="1.0" encoding="UTF-8"?>
-#+END_SRC
-
-#+name: output_odt_fixed_styles_xml
-#+BEGIN_SRC xml
-<office:document-styles xmlns:office="urn:oasis:names:tc:opendocument:xmlns:office:1.0" xmlns:style="urn:oasis:names:tc:opendocument:xmlns:style:1.0" xmlns:text="urn:oasis:names:tc:opendocument:xmlns:text:1.0" xmlns:table="urn:oasis:names:tc:opendocument:xmlns:table:1.0" xmlns:draw="urn:oasis:names:tc:opendocument:xmlns:drawing:1.0" xmlns:fo="urn:oasis:names:tc:opendocument:xmlns:xsl-fo-compatible:1.0" xmlns:xl="http://www.w3.org/1999/xlink" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:meta="urn:oasis:names:tc:opendocument:xmlns:meta:1.0" xmlns:number="urn:oasis:names:tc:opendocument:xmlns:datastyle:1.0" xmlns:svg="urn:oasis:names:tc:opendocument:xmlns:svg-compatible:1.0" xmlns:chart="urn:oasis:names:tc:opendocument:xmlns:chart:1.0" xmlns:dr3d="urn:oasis:names:tc:opendocument:xmlns:dr3d:1.0" xmlns:math="http://www.w3.org/1998/Math/MathML" xmlns:form="urn:oasis:names:tc:opendocument:xmlns:form:1.0" xmlns:script="urn:oasis:names:tc:opendocument:xmlns:script:1.0" xmlns:ooo="http://openoffice.org/2004/office" xmlns:ooow="http://openoffice.org/2004/writer" xmlns:oooc="http://openoffice.org/2004/calc" xmlns:dom="http://www.w3.org/2001/xml-events" xmlns:rpt="http://openoffice.org/2005/report" xmlns:of="urn:oasis:names:tc:opendocument:xmlns:of:1.2" xmlns:xhtml="http://www.w3.org/1999/xhtml" xmlns:grddl="http://www.w3.org/2003/g/data-view#" xmlns:tableooo="http://openoffice.org/2009/table" xmlns:css3t="http://www.w3.org/TR/css3-text/" office:version="1.2">
-  <office:font-face-decls>
-    <style:font-face style:name="DejaVu Sans Mono" svg:font-family="'DejaVu Sans Mono'" style:font-adornments="Book" style:font-family-generic="modern" style:font-pitch="fixed"/>
-    <style:font-face style:name="Nimbus Sans L" svg:font-family="'Nimbus Sans L'" style:font-pitch="variable"/>
-    <style:font-face style:name="Tahoma" svg:font-family="Tahoma, Lucidasans, 'Lucida Sans', 'Arial Unicode MS'" style:font-pitch="variable"/>
-    <style:font-face style:name="Nimbus Roman No9 L" svg:font-family="'Nimbus Roman No9 L'" style:font-family-generic="roman" style:font-pitch="variable"/>
-    <style:font-face style:name="Bitstream Vera Sans" svg:font-family="'Bitstream Vera Sans'" style:font-family-generic="swiss" style:font-pitch="variable"/>
-  </office:font-face-decls>
-  <office:styles>
-    <style:default-style style:family="graphic">
-      <style:graphic-properties fo:wrap-option="wrap" draw:shadow-offset-x="0.3cm" draw:shadow-offset-y="0.3cm" draw:start-line-spacing-horizontal="0.283cm" draw:start-line-spacing-vertical="0.283cm" draw:end-line-spacing-horizontal="0.283cm" draw:end-line-spacing-vertical="0.283cm" style:flow-with-text="false"/>
-      <style:paragraph-properties style:text-autospace="ideograph-alpha" style:line-break="strict" style:writing-mode="lr-tb" style:font-independent-line-spacing="false">
-        <style:tab-stops/>
-      </style:paragraph-properties>
-      <style:text-properties style:use-window-font-color="true" fo:font-size="12pt" fo:language="en" fo:country="US" style:font-size-asian="12pt" style:language-asian="zxx" style:country-asian="none" style:font-size-complex="12pt" style:language-complex="zxx" style:country-complex="none"/>
-    </style:default-style>
-    <style:default-style style:family="paragraph">
-      <style:paragraph-properties fo:hyphenation-ladder-count="no-limit" style:text-autospace="ideograph-alpha" style:punctuation-wrap="hanging" style:line-break="strict" style:tab-stop-distance="1.251cm" style:writing-mode="page"/>
-      <style:text-properties style:use-window-font-color="true" style:font-name="Nimbus Roman No9 L" fo:font-size="12pt" fo:language="en" fo:country="US" style:font-name-asian="Nimbus Sans L" style:font-size-asian="12pt" style:language-asian="zxx" style:country-asian="none" style:font-name-complex="Nimbus Sans L" style:font-size-complex="12pt" style:language-complex="zxx" style:country-complex="none" fo:hyphenate="false" fo:hyphenation-remain-char-count="2" fo:hyphenation-push-char-count="2"/>
-    </style:default-style>
-    <style:default-style style:family="table">
-      <style:table-properties table:border-model="collapsing"/>
-    </style:default-style>
-    <style:default-style style:family="table-row">
-      <style:table-row-properties fo:keep-together="auto"/>
-    </style:default-style>
-    <style:style style:name="Standard" style:family="paragraph" style:class="text"/>
-    <style:style style:name="Text_body" style:display-name="Text body" style:family="paragraph" style:class="text">
-      <style:paragraph-properties fo:margin-top="0cm" fo:margin-bottom="0.212cm"/>
-    </style:style>
-    <style:style style:name="P_page_break" style:family="paragraph" style:parent-style-name="Standard">
-      <style:paragraph-properties fo:break-before="page"/>
-    </style:style>
-    <style:style style:name="P_normal" style:family="paragraph" style:parent-style-name="Standard">
-      <style:paragraph-properties fo:margin-top="0.199cm" fo:margin-bottom="0.199cm" fo:line-height="150%%" fo:text-align="justify" style:justify-single-word="false"/>
-    </style:style>
-    <style:style style:name="P_normal_page_new" style:family="paragraph" style:parent-style-name="Standard">
-      <style:paragraph-properties fo:break-after="page"/>
-    </style:style>
-    <style:style style:name="P_indent_0" style:display-name="Paragraph indent 0" style:family="paragraph" style:parent-style-name="Standard">
-      <style:paragraph-properties fo:margin-top="0.199cm" fo:margin-bottom="0.199cm" fo:line-height="150%%" fo:text-align="justify" style:justify-single-word="false"/>
-    </style:style>
-    <style:style style:name="P_indent_1" style:display-name="Paragraph indent 1" style:family="paragraph" style:parent-style-name="Standard">
-      <style:paragraph-properties fo:margin-top="0.199cm" fo:margin-bottom="0.199cm" fo:line-height="150%%" fo:margin-left="1cm" fo:margin-right="0cm" fo:text-align="justify" style:justify-single-word="false" fo:text-indent="0cm" style:auto-text-indent="false"/>
-    </style:style>
-    <style:style style:name="P_indent_2" style:display-name="Paragraph indent 2" style:family="paragraph" style:parent-style-name="Standard">
-      <style:paragraph-properties fo:margin-top="0.199cm" fo:margin-bottom="0.199cm" fo:line-height="150%%" fo:margin-left="2cm" fo:margin-right="0cm" fo:text-align="justify" style:justify-single-word="false" fo:text-indent="0cm" style:auto-text-indent="false"/>
-    </style:style>
-    <style:style style:name="P_indent_3" style:display-name="Paragraph indent 3" style:family="paragraph" style:parent-style-name="Standard">
-      <style:paragraph-properties fo:margin-top="0.199cm" fo:margin-bottom="0.199cm" fo:line-height="150%%" fo:margin-left="3cm" fo:margin-right="0cm" fo:text-align="justify" style:justify-single-word="false" fo:text-indent="0cm" style:auto-text-indent="false"/>
-    </style:style>
-    <style:style style:name="P_indent_4" style:display-name="Paragraph indent 4" style:family="paragraph" style:parent-style-name="Standard">
-      <style:paragraph-properties fo:margin-top="0.199cm" fo:margin-bottom="0.199cm" fo:line-height="150%%" fo:margin-left="4cm" fo:margin-right="0cm" fo:text-align="justify" style:justify-single-word="false" fo:text-indent="0cm" style:auto-text-indent="false"/>
-    </style:style>
-    <style:style style:name="P_indent_5" style:display-name="Paragraph indent 5" style:family="paragraph" style:parent-style-name="Standard">
-      <style:paragraph-properties fo:margin-top="0.199cm" fo:margin-bottom="0.199cm" fo:line-height="150%%" fo:margin-left="5cm" fo:margin-right="0cm" fo:text-align="justify" style:justify-single-word="false" fo:text-indent="0cm" style:auto-text-indent="false"/>
-    </style:style>
-    <style:style style:name="P_indent_6" style:display-name="Paragraph indent 6" style:family="paragraph" style:parent-style-name="Standard">
-      <style:paragraph-properties fo:margin-top="0.199cm" fo:margin-bottom="0.199cm" fo:line-height="150%%" fo:margin-left="6cm" fo:margin-right="0cm" fo:text-align="justify" style:justify-single-word="false" fo:text-indent="0cm" style:auto-text-indent="false"/>
-    </style:style>
-    <style:style style:name="P_indent_7" style:display-name="Paragraph indent 7" style:family="paragraph" style:parent-style-name="Standard">
-      <style:paragraph-properties fo:margin-top="0.199cm" fo:margin-bottom="0.199cm" fo:line-height="150%%" fo:margin-left="7cm" fo:margin-right="0cm" fo:text-align="justify" style:justify-single-word="false" fo:text-indent="0cm" style:auto-text-indent="false"/>
-    </style:style>
-    <style:style style:name="P_indent_8" style:display-name="Paragraph indent 8" style:family="paragraph" style:parent-style-name="Standard">
-      <style:paragraph-properties fo:margin-top="0.199cm" fo:margin-bottom="0.199cm" fo:line-height="150%%" fo:margin-left="8cm" fo:margin-right="0cm" fo:text-align="justify" style:justify-single-word="false" fo:text-indent="0cm" style:auto-text-indent="false"/>
-    </style:style>
-    <style:style style:name="P_indent_9" style:display-name="Paragraph indent 9" style:family="paragraph" style:parent-style-name="Standard">
-      <style:paragraph-properties fo:margin-top="0.199cm" fo:margin-bottom="0.199cm" fo:line-height="150%%" fo:margin-left="9cm" fo:margin-right="0cm" fo:text-align="justify" style:justify-single-word="false" fo:text-indent="0cm" style:auto-text-indent="false"/>
-    </style:style>
-    <style:style style:name="P_h0_i0" style:display-name="Hang 0 Indent 0" style:family="paragraph" style:parent-style-name="Text_body" style:class="text">
-      <style:paragraph-properties fo:margin-left="0cm" fo:margin-right="0cm" fo:text-indent="0cm" style:auto-text-indent="false">
-      <style:tab-stops>
-      <style:tab-stop style:position="0cm"/>
-      </style:tab-stops>
-      </style:paragraph-properties>
-    </style:style>
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-      <style:paragraph-properties fo:margin-left="1cm" fo:margin-right="0cm" fo:text-indent="-1cm" style:auto-text-indent="false">
-      <style:tab-stops>
-      <style:tab-stop style:position="0cm"/>
-      </style:tab-stops>
-      </style:paragraph-properties>
-    </style:style>
-    <style:style style:name="P_h0_i2" style:display-name="Hang 0 Indent 2" style:family="paragraph" style:parent-style-name="Text_body" style:class="text">
-      <style:paragraph-properties fo:margin-left="2cm" fo:margin-right="0cm" fo:text-indent="-2cm" style:auto-text-indent="false">
-      <style:tab-stops>
-      <style:tab-stop style:position="0cm"/>
-      </style:tab-stops>
-      </style:paragraph-properties>
-    </style:style>
-    <style:style style:name="P_h0_i3" style:display-name="Hang 0 Indent 3" style:family="paragraph" style:parent-style-name="Text_body" style:class="text">
-      <style:paragraph-properties fo:margin-left="3cm" fo:margin-right="0cm" fo:text-indent="-3cm" style:auto-text-indent="false">
-      <style:tab-stops>
-      <style:tab-stop style:position="0cm"/>
-      </style:tab-stops>
-      </style:paragraph-properties>
-    </style:style>
-    <style:style style:name="P_h0_i4" style:display-name="Hang 0 Indent 4" style:family="paragraph" style:parent-style-name="Text_body" style:class="text">
-      <style:paragraph-properties fo:margin-left="4cm" fo:margin-right="0cm" fo:text-indent="-4cm" style:auto-text-indent="false">
-      <style:tab-stops>
-      <style:tab-stop style:position="0cm"/>
-      </style:tab-stops>
-      </style:paragraph-properties>
-    </style:style>
-    <style:style style:name="P_h0_i5" style:display-name="Hang 0 Indent 5" style:family="paragraph" style:parent-style-name="Text_body" style:class="text">
-      <style:paragraph-properties fo:margin-left="5cm" fo:margin-right="0cm" fo:text-indent="-5cm" style:auto-text-indent="false">
-      <style:tab-stops>
-      <style:tab-stop style:position="0cm"/>
-      </style:tab-stops>
-      </style:paragraph-properties>
-    </style:style>
-    <style:style style:name="P_h0_i6" style:display-name="Hang 0 Indent 6" style:family="paragraph" style:parent-style-name="Text_body" style:class="text">
-      <style:paragraph-properties fo:margin-left="6cm" fo:margin-right="0cm" fo:text-indent="-6cm" style:auto-text-indent="false">
-      <style:tab-stops>
-      <style:tab-stop style:position="0cm"/>
-      </style:tab-stops>
-      </style:paragraph-properties>
-    </style:style>
-    <style:style style:name="P_h0_i7" style:display-name="Hang 0 Indent 7" style:family="paragraph" style:parent-style-name="Text_body" style:class="text">
-      <style:paragraph-properties fo:margin-left="7cm" fo:margin-right="0cm" fo:text-indent="-7cm" style:auto-text-indent="false">
-      <style:tab-stops>
-      <style:tab-stop style:position="0cm"/>
-      </style:tab-stops>
-      </style:paragraph-properties>
-    </style:style>
-    <style:style style:name="P_h0_i8" style:display-name="Hang 0 Indent 8" style:family="paragraph" style:parent-style-name="Text_body" style:class="text">
-      <style:paragraph-properties fo:margin-left="8cm" fo:margin-right="0cm" fo:text-indent="-8cm" style:auto-text-indent="false">
-      <style:tab-stops>
-      <style:tab-stop style:position="0cm"/>
-      </style:tab-stops>
-      </style:paragraph-properties>
-    </style:style>
-    <style:style style:name="P_h0_i9" style:display-name="Hang 0 Indent 9" style:family="paragraph" style:parent-style-name="Text_body" style:class="text">
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-      <style:tab-stops>
-      <style:tab-stop style:position="0cm"/>
-      </style:tab-stops>
-      </style:paragraph-properties>
-    </style:style>
-    <style:style style:name="P_h1_i0" style:display-name="Hang 1 Indent 0" style:family="paragraph" style:parent-style-name="Text_body" style:class="text">
-      <style:paragraph-properties fo:margin-left="0cm" fo:margin-right="0cm" fo:text-indent="1cm" style:auto-text-indent="false">
-      <style:tab-stops>
-      <style:tab-stop style:position="0cm"/>
-      </style:tab-stops>
-      </style:paragraph-properties>
-    </style:style>
-    <style:style style:name="P_h1_i1" style:display-name="Hang 1 Indent 1" style:family="paragraph" style:parent-style-name="Text_body" style:class="text">
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-      <style:tab-stops>
-      <style:tab-stop style:position="0cm"/>
-      </style:tab-stops>
-      </style:paragraph-properties>
-    </style:style>
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-      <style:tab-stops>
-      <style:tab-stop style:position="0cm"/>
-      </style:tab-stops>
-      </style:paragraph-properties>
-    </style:style>
-    <style:style style:name="P_h1_i3" style:display-name="Hang 1 Indent 3" style:family="paragraph" style:parent-style-name="Text_body" style:class="text">
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-      <style:tab-stops>
-      <style:tab-stop style:position="0cm"/>
-      </style:tab-stops>
-      </style:paragraph-properties>
-    </style:style>
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-      <style:tab-stops>
-      <style:tab-stop style:position="0cm"/>
-      </style:tab-stops>
-      </style:paragraph-properties>
-    </style:style>
-    <style:style style:name="P_h1_i5" style:display-name="Hang 1 Indent 5" style:family="paragraph" style:parent-style-name="Text_body" style:class="text">
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-      <style:tab-stops>
-      <style:tab-stop style:position="0cm"/>
-      </style:tab-stops>
-      </style:paragraph-properties>
-    </style:style>
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-      <style:tab-stops>
-      <style:tab-stop style:position="0cm"/>
-      </style:tab-stops>
-      </style:paragraph-properties>
-    </style:style>
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-      <style:tab-stops>
-      <style:tab-stop style:position="0cm"/>
-      </style:tab-stops>
-      </style:paragraph-properties>
-    </style:style>
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-      <style:tab-stops>
-      <style:tab-stop style:position="0cm"/>
-      </style:tab-stops>
-      </style:paragraph-properties>
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-      <style:tab-stops>
-      <style:tab-stop style:position="0cm"/>
-      </style:tab-stops>
-      </style:paragraph-properties>
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-      <style:tab-stops>
-      <style:tab-stop style:position="0cm"/>
-      </style:tab-stops>
-      </style:paragraph-properties>
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-      <style:tab-stops>
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-      </style:paragraph-properties>
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-      <style:tab-stop style:position="0cm"/>
-      </style:tab-stops>
-      </style:paragraph-properties>
-    </style:style>
-    <style:style style:name="Span_bold" style:family="text">
-      <style:text-properties fo:font-weight="bold" style:font-weight-asian="bold" style:font-weight-complex="bold"/>
-    </style:style>
-    <style:style style:name="Span_italic" style:family="text">
-      <style:text-properties fo:font-style="italic" style:font-style-asian="italic" style:font-style-complex="italic"/>
-    </style:style>
-    <style:style style:name="Span_underscore" style:family="text">
-      <style:text-properties style:text-underline-style="solid" style:text-underline-width="auto" style:text-underline-color="font-color"/>
-    </style:style>
-    <style:style style:name="Span_superscript" style:family="text">
-      <style:text-properties style:text-position="super 58%%"/>
-    </style:style>
-    <style:style style:name="Span_subscript" style:family="text">
-      <style:text-properties style:text-position="sub 58%%"/>
-    </style:style>
-    <style:style style:name="Span_monospace" style:family="text">
-      <style:text-properties style:font-name="DejaVu Sans Mono" fo:font-size="10pt" fo:font-weight="normal" fo:background-color="#e6e6e6"/>
-    </style:style>
-    <style:style style:name="Heading" style:family="paragraph" style:next-style-name="Text_body" style:class="text">
-      <style:paragraph-properties fo:margin-top="0.423cm" fo:margin-bottom="0.212cm" fo:keep-with-next="always"/>
-      <style:text-properties style:font-name="Bitstream Vera Sans" fo:font-size="14pt" style:font-size-asian="14pt" style:font-name-complex="Tahoma" style:font-size-complex="14pt"/>
-    </style:style>
-    <style:style style:name="H_1" style:display-name="Heading 1" style:family="paragraph" style:next-style-name="Text_body" style:default-outline-level="1" style:class="text">
-      <style:text-properties fo:font-size="120%%" fo:font-weight="bold" style:font-size-asian="120%%" style:font-weight-asian="bold" style:font-size-complex="115%%" style:font-weight-complex="bold"/>
-    </style:style>
-    <style:style style:name="H_2" style:display-name="Heading 2" style:family="paragraph" style:next-style-name="Text_body" style:default-outline-level="2" style:class="text">
-      <style:text-properties fo:font-size="115%%" fo:font-weight="bold" style:font-size-asian="115%%" style:font-weight-asian="bold" style:font-size-complex="115%%" style:font-weight-complex="bold"/>
-    </style:style>
-    <style:style style:name="H_3" style:display-name="Heading 3" style:family="paragraph" style:next-style-name="Text_body" style:default-outline-level="3" style:class="text">
-      <style:text-properties fo:font-size="110%%" fo:font-weight="bold" style:font-size-asian="110%%" style:font-weight-asian="bold" style:font-size-complex="115%%" style:font-weight-complex="bold"/>
-    </style:style>
-    <style:style style:name="H_4" style:display-name="Heading 4" style:family="paragraph" style:next-style-name="Text_body" style:default-outline-level="4" style:class="text">
-      <style:text-properties fo:font-size="12pt" fo:font-style="italic" fo:font-weight="bold" style:font-size-asian="12pt" style:font-style-asian="italic" style:font-weight-asian="bold" style:font-size-complex="12pt" style:font-style-complex="italic" style:font-weight-complex="bold"/>
-    </style:style>
-    <style:style style:name="H_5" style:display-name="Heading 5" style:family="paragraph" style:next-style-name="Text_body" style:default-outline-level="5" style:class="text">
-      <style:text-properties fo:font-size="90%%" fo:font-style="italic" fo:font-weight="bold" style:font-size-asian="90%%" style:font-style-asian="italic" style:font-weight-asian="bold" style:font-size-complex="90%%" style:font-style-complex="italic" style:font-weight-complex="bold"/>
-    </style:style>
-    <style:style style:name="H_6" style:display-name="Heading 6" style:family="paragraph" style:next-style-name="Text_body" style:default-outline-level="6" style:class="text">
-      <style:text-properties fo:font-size="80%%" fo:font-style="italic" fo:font-weight="bold" style:font-size-asian="80%%" style:font-style-asian="italic" style:font-weight-asian="bold" style:font-size-complex="80%%" style:font-style-complex="italic" style:font-weight-complex="bold"/>
-    </style:style>
-    <style:style style:name="P_group" style:family="paragraph" style:parent-style-name="Standard">
-      <style:paragraph-properties fo:margin-top="0cm" fo:margin-bottom="0cm" fo:line-height="100%%" fo:text-align="justify" style:justify-single-word="false"/>
-    </style:style>
-    <style:style style:name="P_code" style:family="paragraph" style:parent-style-name="Standard">
-      <style:paragraph-properties fo:margin-top="0cm" fo:margin-bottom="0cm" fo:line-height="100%%" fo:text-align="start" style:justify-single-word="false"/>
-      <style:text-properties style:font-name="DejaVu Sans Mono" fo:font-size="9pt" fo:font-weight="normal" fo:background-color="#e6e6e6"/>
-    </style:style>
-    <style:style style:name="Footnote" style:family="paragraph" style:class="extra">
-      <style:paragraph-properties fo:margin-left="0.499cm" fo:margin-right="0cm" fo:text-indent="-0.499cm" style:auto-text-indent="false" text:number-lines="false" text:line-number="0"/>
-      <style:text-properties fo:font-size="10pt" style:font-size-asian="10pt" style:font-size-complex="10pt"/>
-    </style:style>
-    <style:style style:name="Table_Contents" style:display-name="Table Contents" style:family="paragraph" style:parent-style-name="Standard" style:class="extra">
-      <style:paragraph-properties text:number-lines="false" text:line-number="0"/>
-    </style:style>
-    <style:style style:name="Footnote_symbol" style:display-name="Footnote Symbol" style:family="text"/>
-    <style:style style:name="Footnote_anchor" style:display-name="Footnote Anchor" style:family="text">
-      <style:text-properties style:text-position="super 58%%"/>
-    </style:style>
-    <style:style style:name="Internet_link" style:display-name="Internet link" style:family="text">
-      <style:text-properties fo:color="#000080" fo:language="zxx" fo:country="none" style:text-underline-style="solid" style:text-underline-width="auto" style:text-underline-color="font-color" style:language-asian="zxx" style:country-asian="none" style:language-complex="zxx" style:country-complex="none"/>
-    </style:style>
-    <style:style style:name="Graphics" style:family="graphic">
-      <style:graphic-properties text:anchor-type="paragraph" svg:x="0cm" svg:y="0cm" style:wrap="dynamic" style:number-wrapped-paragraphs="no-limit" style:wrap-contour="false" style:vertical-pos="top" style:vertical-rel="paragraph" style:horizontal-pos="center" style:horizontal-rel="paragraph"/>
-    </style:style>
-    <text:outline-style style:name="Outline">
-      <text:outline-level-style text:level="1" style:num-format="">
-      <style:list-level-properties text:min-label-distance="0.381cm"/>
-    </text:outline-level-style>
-    <text:outline-level-style text:level="2" style:num-format="">
-      <style:list-level-properties text:min-label-distance="0.381cm"/>
-    </text:outline-level-style>
-    <text:outline-level-style text:level="3" style:num-format="">
-      <style:list-level-properties text:min-label-distance="0.381cm"/>
-    </text:outline-level-style>
-    <text:outline-level-style text:level="4" style:num-format="">
-      <style:list-level-properties text:min-label-distance="0.381cm"/>
-    </text:outline-level-style>
-    <text:outline-level-style text:level="5" style:num-format="">
-      <style:list-level-properties text:min-label-distance="0.381cm"/>
-    </text:outline-level-style>
-    <text:outline-level-style text:level="6" style:num-format="">
-      <style:list-level-properties text:min-label-distance="0.381cm"/>
-    </text:outline-level-style>
-    <text:outline-level-style text:level="7" style:num-format="">
-      <style:list-level-properties text:min-label-distance="0.381cm"/>
-    </text:outline-level-style>
-    <text:outline-level-style text:level="8" style:num-format="">
-      <style:list-level-properties text:min-label-distance="0.381cm"/>
-    </text:outline-level-style>
-    <text:outline-level-style text:level="9" style:num-format="">
-      <style:list-level-properties text:min-label-distance="0.381cm"/>
-    </text:outline-level-style>
-    <text:outline-level-style text:level="10" style:num-format="">
-      <style:list-level-properties text:min-label-distance="0.381cm"/>
-    </text:outline-level-style>
-    </text:outline-style>
-    <text:notes-configuration text:note-class="footnote" text:citation-style-name="Footnote_symbol" text:citation-body-style-name="Footnote_anchor" style:num-format="1" text:start-value="0" text:footnotes-position="page" text:start-numbering-at="document"/>
-    <text:notes-configuration text:note-class="endnote" style:num-format="i" text:start-value="0"/>
-    <text:linenumbering-configuration text:number-lines="false" text:offset="0.499cm" style:num-format="1" text:number-position="left" text:increment="5"/>
-    <style:style style:name="fr1" style:family="graphic" style:parent-style-name="Graphics">
-      <style:graphic-properties style:wrap="none" style:horizontal-pos="left" style:horizontal-rel="paragraph" style:mirror="none" fo:clip="rect(0cm 0cm 0cm 0cm)" draw:luminance="0%%" draw:contrast="0%%" draw:red="0%%" draw:green="0%%" draw:blue="0%%" draw:gamma="100%%" draw:color-inversion="false" draw:image-opacity="100%%" draw:color-mode="standard"/>
-    </style:style>
-    <style:style style:name="gr1" style:family="graphic">
-      <style:graphic-properties draw:stroke="none" draw:fill="none" draw:textarea-horizontal-align="center" draw:textarea-vertical-align="middle" draw:color-mode="standard" draw:luminance="0%%" draw:contrast="0%%" draw:gamma="100%%" draw:red="0%%" draw:green="0%%" draw:blue="0%%" fo:clip="rect(0cm 0cm 0cm 0cm)" draw:image-opacity="100%%" style:mirror="none" style:run-through="background" style:wrap="none" style:vertical-pos="top" style:vertical-rel="baseline" style:horizontal-pos="left" style:horizontal-rel="paragraph" draw:wrap-influence-on-position="once-concurrent" style:flow-with-text="false"/>
-    </style:style>
-    <style:style style:name="gr2" style:family="graphic">
-      <style:graphic-properties draw:stroke="none" draw:fill="none" draw:textarea-horizontal-align="center" draw:textarea-vertical-align="middle" draw:color-mode="standard" draw:luminance="0%%" draw:contrast="0%%" draw:gamma="100%%" draw:red="0%%" draw:green="0%%" draw:blue="0%%" fo:clip="rect(0cm 0cm 0cm 0cm)" draw:image-opacity="100%%" style:mirror="none" style:run-through="background" style:wrap="none" style:vertical-pos="middle" style:vertical-rel="baseline" style:horizontal-pos="left" style:horizontal-rel="paragraph" draw:wrap-influence-on-position="once-concurrent" style:flow-with-text="false"/>
-    </style:style>
-    </office:styles>
-    <office:automatic-styles>
-    <style:page-layout style:name="Mpm1">
-    <style:page-layout-properties fo:page-width="20.999cm" fo:page-height="29.699cm" style:num-format="1" style:print-orientation="portrait" fo:margin-top="2cm" fo:margin-bottom="2cm" fo:margin-left="2cm" fo:margin-right="2cm" style:writing-mode="lr-tb" style:footnote-max-height="0cm">
-    <style:footnote-sep style:width="0.018cm" style:distance-before-sep="0.101cm" style:distance-after-sep="0.101cm" style:line-style="none" style:adjustment="left" style:rel-width="25%%" style:color="#000000"/>
-    </style:page-layout-properties>
-    <style:header-style/>
-    <style:footer-style/>
-    </style:page-layout>
-  </office:automatic-styles>
-  <office:master-styles>
-    <style:master-page style:name="Standard" style:page-layout-name="Mpm1"/>
-  </office:master-styles>
-</office:document-styles>
-#+END_SRC
-
-#+name: output_odt_fixed_styles_xml
-#+BEGIN_SRC d
-┃");
-  return _styles_xml;
-}
-#+END_SRC
-
-** moving parts
-*** ↻ content.xml TODO                                        :content_xml:
-**** content head
-***** head open
-
-#+name: output_odt_variable_content_xml
-#+BEGIN_SRC d
-string odt_head(I)(I doc_matters) {
-  string _has_tables = format(q"┃
-#+END_SRC
-
-***** if table include within head
-
-#+name: output_odt_variable_content_xml
-#+BEGIN_SRC xml
-  <style:style style:name="Table1" style:family="table">
-    <style:table-properties style:width="16.999cm" table:align="margins"/>
-  </style:style>
-  <style:style style:name="Table1.A" style:family="table-column">
-    <style:table-column-properties style:column-width="16.999cm" style:rel-column-width="65535*"/>
-  </style:style>
-  <style:style style:name="Table1.B" style:family="table-column">
-    <style:table-column-properties style:column-width="8.499cm" style:rel-column-width="32767*"/>
-  </style:style>
-  <style:style style:name="Table1.C" style:family="table-column">
-    <style:table-column-properties style:column-width="5.666cm" style:rel-column-width="21845*"/>
-  </style:style>
-  <style:style style:name="Table1.D" style:family="table-column">
-    <style:table-column-properties style:column-width="4.349cm" style:rel-column-width="16383*"/>
-  </style:style>
-  <style:style style:name="Table1.E" style:family="table-column">
-    <style:table-column-properties style:column-width="3.399cm" style:rel-column-width="13107*"/>
-  </style:style>
-  <style:style style:name="Table1.F" style:family="table-column">
-    <style:table-column-properties style:column-width="2.833cm" style:rel-column-width="10922*"/>
-  </style:style>
-  <style:style style:name="Table1.G" style:family="table-column">
-    <style:table-column-properties style:column-width="2.428cm" style:rel-column-width="9362*"/>
-  </style:style>
-  <style:style style:name="Table1.H" style:family="table-column">
-    <style:table-column-properties style:column-width="2.124cm" style:rel-column-width="8191*"/>
-  </style:style>
-  <style:style style:name="Table2" style:family="table">
-    <style:table-properties style:width="16.999cm" table:align="margins"/>
-  </style:style>
-  <style:style style:name="Table2.A" style:family="table-column">
-    <style:table-column-properties style:column-width="16.999cm" style:rel-column-width="65535*"/>
-  </style:style>
-  <style:style style:name="Table2.B" style:family="table-column">
-    <style:table-column-properties style:column-width="8.499cm" style:rel-column-width="32767*"/>
-  </style:style>
-  <style:style style:name="Table2.C" style:family="table-column">
-    <style:table-column-properties style:column-width="5.666cm" style:rel-column-width="21845*"/>
-  </style:style>
-  <style:style style:name="Table2.D" style:family="table-column">
-    <style:table-column-properties style:column-width="4.349cm" style:rel-column-width="16383*"/>
-  </style:style>
-  <style:style style:name="Table2.E" style:family="table-column">
-    <style:table-column-properties style:column-width="3.999cm" style:rel-column-width="13107*"/>
-  </style:style>
-  <style:style style:name="Table2.F" style:family="table-column">
-    <style:table-column-properties style:column-width="2.833cm" style:rel-column-width="10922*"/>
-  </style:style>
-  <style:style style:name="Table2.G" style:family="table-column">
-    <style:table-column-properties style:column-width="2.428cm" style:rel-column-width="9362*"/>
-  </style:style>
-  <style:style style:name="Table2.H" style:family="table-column">
-    <style:table-column-properties style:column-width="2.124cm" style:rel-column-width="8191*"/>
-  </style:style>
-  <style:style style:name="Table2.I" style:family="table-column">
-    <style:table-column-properties style:column-width="1.8887cm" style:rel-column-width="7281*"/>
-  </style:style>
-  <style:style style:name="Table2.J" style:family="table-column">
-    <style:table-column-properties style:column-width="1.6999cm" style:rel-column-width="6553*"/>
-  </style:style>
-  <style:style style:name="Table2.K" style:family="table-column">
-    <style:table-column-properties style:column-width="1.5453cm" style:rel-column-width="5957*"/>
-  </style:style>
-  <style:style style:name="Table2.L" style:family="table-column">
-    <style:table-column-properties style:column-width="1.416cm" style:rel-column-width="5461*"/>
-  </style:style>
-  <style:style style:name="Table2.M" style:family="table-column">
-    <style:table-column-properties style:column-width="1.307" style:rel-column-width="5041*"/>
-  </style:style>
-  <style:style style:name="Table2.N" style:family="table-column">
-    <style:table-column-properties style:column-width="1.214cm" style:rel-column-width="4681*"/>
-  </style:style>
-#+END_SRC
-
-***** head
-
-#+name: output_odt_variable_content_xml
-#+BEGIN_SRC d
-┃",);
-  string _odt_head = format(q"┃<?xml version="1.0" encoding="UTF-8"?>
-#+END_SRC
-
-***** head xml
-
-#+name: output_odt_variable_content_xml
-#+BEGIN_SRC xml
-<office:document-content xmlns:office="urn:oasis:names:tc:opendocument:xmlns:office:1.0" xmlns:style="urn:oasis:names:tc:opendocument:xmlns:style:1.0" xmlns:text="urn:oasis:names:tc:opendocument:xmlns:text:1.0" xmlns:table="urn:oasis:names:tc:opendocument:xmlns:table:1.0" xmlns:draw="urn:oasis:names:tc:opendocument:xmlns:drawing:1.0" xmlns:fo="urn:oasis:names:tc:opendocument:xmlns:xsl-fo-compatible:1.0" xmlns:xl="http://www.w3.org/1999/xlink" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:meta="urn:oasis:names:tc:opendocument:xmlns:meta:1.0" xmlns:number="urn:oasis:names:tc:opendocument:xmlns:datastyle:1.0" xmlns:svg="urn:oasis:names:tc:opendocument:xmlns:svg-compatible:1.0" xmlns:chart="urn:oasis:names:tc:opendocument:xmlns:chart:1.0" xmlns:dr3d="urn:oasis:names:tc:opendocument:xmlns:dr3d:1.0" xmlns:math="http://www.w3.org/1998/Math/MathML" xmlns:form="urn:oasis:names:tc:opendocument:xmlns:form:1.0" xmlns:script="urn:oasis:names:tc:opendocument:xmlns:script:1.0" xmlns:ooo="http://openoffice.org/2004/office" xmlns:ooow="http://openoffice.org/2004/writer" xmlns:oooc="http://openoffice.org/2004/calc" xmlns:dom="http://www.w3.org/2001/xml-events" xmlns:xforms="http://www.w3.org/2002/xforms" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:rpt="http://openoffice.org/2005/report" xmlns:of="urn:oasis:names:tc:opendocument:xmlns:of:1.2" xmlns:xhtml="http://www.w3.org/1999/xhtml" xmlns:grddl="http://www.w3.org/2003/g/data-view#" xmlns:tableooo="http://openoffice.org/2009/table" xmlns:field="urn:openoffice:names:experimental:ooo-ms-interop:xmlns:field:1.0" xmlns:formx="urn:openoffice:names:experimental:ooxml-odf-interop:xmlns:form:1.0" xmlns:css3t="http://www.w3.org/TR/css3-text/" office:version="1.2">
-<office:scripts/>
-<office:font-face-decls>
-<style:font-face style:name="DejaVu Sans Mono" svg:font-family="'DejaVu Sans Mono'" style:font-adornments="Book" style:font-family-generic="modern" style:font-pitch="fixed"/>
-<style:font-face style:name="Inconsolata" svg:font-family="Inconsolata" style:font-adornments="Regular" style:font-pitch="fixed"/>
-<style:font-face style:name="Liberation Mono" svg:font-family="'Liberation Mono'" style:font-adornments="Regular" style:font-family-generic="modern" style:font-pitch="fixed"/>
-<style:font-face style:name="DejaVu Sans" svg:font-family="'DejaVu Sans'" style:font-adornments="ExtraLight" style:font-family-generic="swiss" style:font-pitch="variable"/>
-<style:font-face style:name="Nimbus Sans L" svg:font-family="'Nimbus Sans L'" style:font-pitch="variable"/>
-<style:font-face style:name="Tahoma" svg:font-family="Tahoma, Lucidasans, 'Lucida Sans', 'Arial Unicode MS'" style:font-pitch="variable"/>
-<style:font-face style:name="Nimbus Roman No9 L" svg:font-family="'Nimbus Roman No9 L'" style:font-family-generic="roman" style:font-pitch="variable"/>
-<style:font-face style:name="Bitstream Vera Sans" svg:font-family="'Bitstream Vera Sans'" style:font-family-generic="swiss" style:font-pitch="variable"/>
-</office:font-face-decls>
-<office:automatic-styles>
-  %s
-  <style:style style:name="P_table_cell" style:family="paragraph" style:parent-style-name="Table_Contents">
-    <style:paragraph-properties fo:text-align="justify" style:justify-single-word="false"/>
-  </style:style>
-</office:automatic-styles>
-<office:body>
-  <office:text text:use-soft-page-breaks="true">
-    <office:forms form:automatic-focus="false" form:apply-design-mode="false"/>
-    <text:sequence-decls>
-      <text:sequence-decl text:display-outline-level="0" text:name="Illustration"/>
-      <text:sequence-decl text:display-outline-level="0" text:name="Table"/>
-      <text:sequence-decl text:display-outline-level="0" text:name="Text"/>
-      <text:sequence-decl text:display-outline-level="0" text:name="Drawing"/>
-    </text:sequence-decls>
-#+END_SRC
-
-***** head close
-
-#+name: output_odt_variable_content_xml
-#+BEGIN_SRC d
-┃",
-  (doc_matters.has.tables > 0) ? _has_tables : "",
-);
-  return _odt_head;
-}
-#+END_SRC
-
-**** ↻ content body
-***** body open
-
-#+name: output_odt_variable_content_xml
-#+BEGIN_SRC d
-string odt_body(D,I)(
-  const D    doc_abstraction,
-        I    doc_matters,
-) {
-  mixin formatODT;
-  auto odt_format = formatODT();
-  string delimit = "";
-  string doc_odt = "";
-  string _txt = "";
-#+END_SRC
-
-***** ↻ the loop & outer switch (sections & objects) format output
-
-#+name: output_odt_variable_content_xml
-#+BEGIN_SRC d
-  foreach (part; doc_matters.has.keys_seq.scroll) {
-    foreach (obj; doc_abstraction[part]) {
-      switch (obj.metainfo.is_of_part) {
-#+END_SRC
-
-****** frontmatter
-
-#+name: output_odt_variable_content_xml
-#+BEGIN_SRC d
-      case "frontmatter":              assert(part == "head" || "toc");
-        switch (obj.metainfo.is_of_type) {
-        case "para":
-          switch (obj.metainfo.is_a) {
-          case "heading":
-            _txt = delimit ~ odt_format.heading(obj, doc_matters);
-            goto default;
-          case "toc":
-            _txt = odt_format.para(obj, doc_matters);
-            goto default;
-          default:
-            doc_odt ~= _txt;
-            _txt = "";
-            break;
-          }
-          break;
-        default: break;
-        }
-        break;
-#+END_SRC
-
-****** body
-
-#+name: output_odt_variable_content_xml
-#+BEGIN_SRC d
-      case "body":                     assert(part == "body" || "head"); // surprise
-        switch (obj.metainfo.is_of_type) {
-        case "para":
-          switch (obj.metainfo.is_a) {
-          case "heading":
-            _txt = delimit ~ odt_format.heading(obj, doc_matters);
-            goto default;
-          case "para":
-            _txt = odt_format.para(obj, doc_matters);
-            goto default;
-          default:
-            doc_odt ~= _txt;
-            _txt = "";
-            break;
-          }
-          break;
-        case "block":
-          switch (obj.metainfo.is_a) {
-          case "quote":
-            _txt = odt_format.quote(obj, doc_matters);
-            goto default;
-          case "group":
-            _txt = odt_format.group(obj, doc_matters);
-            goto default;
-          case "block":
-            _txt = odt_format.block(obj, doc_matters);
-            goto default;
-          case "verse":
-            _txt = odt_format.verse(obj, doc_matters);
-            goto default;
-          case "code":
-            _txt = odt_format.code(obj, doc_matters);
-            goto default;
-          case "table":
-            _txt = odt_format.table(obj, doc_matters);
-            goto default;
-          default:
-            doc_odt ~= _txt;
-            _txt = "";
-            break;
-          }
-          break;
-        default: break;
-        }
-        break;
-#+END_SRC
-
-****** backmatter
-
-#+name: output_odt_variable_content_xml
-#+BEGIN_SRC d
-      case "backmatter":
-        assert(part == "endnotes" || "glossary" || "bibliography" || "bookindex" || "blurb" || "tail");
-        switch (obj.metainfo.is_of_type) {
-        case "para":
-          switch (obj.metainfo.is_a) {
-          case "heading":
-            _txt = delimit ~ odt_format.heading(obj, doc_matters);
-            goto default;
-          case "endnote":              assert(part == "endnotes");
-            _txt = odt_format.para(obj, doc_matters);
-            goto default;
-          case "glossary":             assert(part == "glossary");
-            _txt = odt_format.para(obj, doc_matters);
-            goto default;
-          case "bibliography":         assert(part == "bibliography");
-            _txt = odt_format.para(obj, doc_matters);
-            goto default;
-          case "bookindex":            assert(part == "bookindex");
-            _txt = odt_format.para(obj, doc_matters);
-            goto default;
-          case "blurb":                assert(part == "blurb");
-            _txt = odt_format.para(obj, doc_matters);
-            goto default;
-          default:
-            doc_odt ~= _txt;
-            _txt = "";
-            break;
-          }
-          break;
-        default: break;
-        }
-        break;
-      case "comment":
-        break;
-      default:
-        { /+ debug +/
-          if (doc_matters.opt.action.debug_do
-          && doc_matters.opt.action.verbose) {
-            writeln(__FILE__, ":", __LINE__, ": ", obj.metainfo.is_of_part);
-            writeln(__FILE__, ":", __LINE__, ": ", obj.metainfo.is_a);
-            writeln(__FILE__, ":", __LINE__, ": ", obj.text);
-          }
-        }
-        break;
-#+END_SRC
-
-***** closings & post loop
-
-#+name: output_odt_variable_content_xml
-#+BEGIN_SRC d
-      }
-    }
-  }
-  return doc_odt;
-}
-#+END_SRC
-
-**** content book index?
-
-#+name: output_odt_variable_content_xml
-#+BEGIN_SRC d
-#+END_SRC
-
-**** content tail
-
-#+name: output_odt_variable_content_xml
-#+BEGIN_SRC d
-string odt_tail() {
-  string _odt_tail = format(q"┃<text:p text:style-name="P_normal">DocReform: &lt;<text:a xl:type="simple" xl:href="http://www.doc_reform.org">www.doc_reform.org</text:a>&gt; and &lt;<text:a xl:type="simple" xl:href="http://www.sisudoc.org">www.sisudoc.org</text:a>&gt;</text:p>
-</office:text></office:body></office:document-content>┃",);
-  return _odt_tail;
-}
-#+END_SRC
-
-**** hub
-
-#+name: output_odt_variable_content_xml
-#+BEGIN_SRC d
-string content_xml(D,I)(
-  const D    doc_abstraction,
-        I    doc_matters,
-) {
-  string _content_xml;
-  string break_line = (doc_matters.opt.action.debug_do) ? "\n" : "";
-  string odt_break_page = format(q"┃<text:p text:style-name="P_normal_page_new"/>┃",);
-  string br_pg          = format(q"┃<text:p text:style-name="P_normal_page_new"/>┃",);
-  _content_xml ~= odt_head(doc_matters);
-  _content_xml ~= odt_body(doc_abstraction, doc_matters);
-  _content_xml ~= odt_tail;
-  return _content_xml;
-}
-#+END_SRC
-
-*** manifest.xml (images list changes)                       :manifest_xml:
-    - META-INF/manifest.xml
-      - image list changes
-
-#+name: output_odt_variable_manifest_xml
-#+BEGIN_SRC d
-string manifest_xml(M)(
-  auto ref              M    doc_matters,
-) {
-  string _bullet = format(q"┃<manifest:file-entry manifest:media-type="" manifest:full-path="Pictures/bullet_09.png"/>┃");
-  string[] _images = [ _bullet ];
-  foreach (image; doc_matters.srcs.image_list) {
-    _images ~= format(q"┃    <manifest:file-entry manifest:media-type="" manifest:full-path="Pictures/%s"/>┃", image);
-  }
-  string _manifest_xml = format(q"┃<?xml version="1.0" encoding="UTF-8"?>
-#+END_SRC
-
-#+name: output_odt_variable_manifest_xml
-#+BEGIN_SRC xml
-<manifest:manifest xmlns:manifest="urn:oasis:names:tc:opendocument:xmlns:manifest:1.0" manifest:version="1.2">
-  <manifest:file-entry manifest:media-type="application/vnd.oasis.opendocument.text" manifest:version="1.2" manifest:full-path="/"/>
-  <manifest:file-entry manifest:media-type="text/xml" manifest:full-path="styles.xml"/>
-  <manifest:file-entry manifest:media-type="text/xml" manifest:full-path="content.xml"/>
-  %s
-  <manifest:file-entry manifest:media-type="text/xml" manifest:full-path="meta.xml"/>
-  <manifest:file-entry manifest:media-type="application/rdf+xml" manifest:full-path="manifest.rdf"/>
-  <manifest:file-entry manifest:media-type="application/binary" manifest:full-path="layout-cache"/>
-  <manifest:file-entry manifest:media-type="text/xml" manifest:full-path="settings.xml"/>
-</manifest:manifest>
-#+END_SRC
-
-#+name: output_odt_variable_manifest_xml
-#+BEGIN_SRC d
-┃",
-_images.join("\n"),
-);
-  return _manifest_xml;
-}
-#+END_SRC
-
-*** meta.xml (time stamp)                                        :meta_xml:
-
-#+name: output_odt_variable_meta_xml
-#+BEGIN_SRC d
-string meta_xml(M)(
-  auto ref              M    doc_matters,
-) {
-  /+ (meta_xml includes output time-stamp) +/
-  string _meta_xml = format(q"┃<?xml version="1.0" encoding="UTF-8"?>
-#+END_SRC
-
-#+name: output_odt_variable_meta_xml
-#+BEGIN_SRC xml
-<office:document-meta xmlns:office="urn:oasis:names:tc:opendocument:xmlns:office:1.0" xmlns:xl="http://www.w3.org/1999/xlink" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:meta="urn:oasis:names:tc:opendocument:xmlns:meta:1.0" xmlns:ooo="http://openoffice.org/2004/office" xmlns:grddl="http://www.w3.org/2003/g/data-view#" office:version="1.2">
-  <office:meta>
-    <meta:generator>%s</meta:generator>
-    <meta:creation-date>%s</meta:creation-date>
-    <dc:date>%s</dc:date>
-    <dc:language>en-US</dc:language>
-  </office:meta>
-</office:document-meta>
-#+END_SRC
-
-#+name: output_odt_variable_meta_xml
-#+BEGIN_SRC d
-┃",
-doc_matters.generator_program.name_and_version,
-doc_matters.generated_time,
-doc_matters.generated_time,
-);
-  return _meta_xml;
-}
-#+END_SRC
-
-*** copy images                                                    :images:
-
-#+name: output_odt_variable_copy_odt_images
-#+BEGIN_SRC d
-void images_cp(M)(
-  auto ref              M    doc_matters,
-) {
-  { /+ (copy odt images) +/
-    auto pth_odt = DocReformPathsODT!()(doc_matters);
-    foreach (image; doc_matters.srcs.image_list) {
-      auto fn_src_in = doc_matters.src.image_dir_path ~ "/" ~ image;
-      auto fn_src_out_file = pth_odt.image_dir("fs") ~ "/" ~ image;
-      auto fn_src_out_zip = pth_odt.image_dir("zip") ~ "/" ~ image;
-      if (exists(fn_src_in)) {
-        if (doc_matters.opt.action.debug_do) {
-          if (doc_matters.opt.action.debug_do) {
-            fn_src_in.copy(fn_src_out_file);
-          }
-        }
-      }
-    }
-  }
-  // return 0;
-}
-#+END_SRC
diff --git a/org/output_sqlite.org b/org/output_sqlite.org
deleted file mode 100644
index 7115a41..0000000
--- a/org/output_sqlite.org
+++ /dev/null
@@ -1,1931 +0,0 @@
--*- mode: org -*-
-#+TITLE:       spine (doc_reform) output sqlite
-#+DESCRIPTION: documents - structuring, publishing in multiple formats & search
-#+FILETAGS:    :spine:output:db:sql:sqlite:
-#+AUTHOR:      Ralph Amissah
-#+EMAIL:       [[mailto:ralph.amissah@gmail.com][ralph.amissah@gmail.com]]
-#+COPYRIGHT:   Copyright (C) 2015 - 2019 Ralph Amissah
-#+LANGUAGE:    en
-#+STARTUP:     indent content hideblocks hidestars
-#+OPTIONS:     H:3 num:nil toc:t \n:nil @:t ::t |:t ^:nil _:nil -:t f:t *:t <:t
-#+OPTIONS:     TeX:t LaTeX:t skip:nil d:nil todo:t pri:nil tags:not-in-toc
-#+OPTIONS:     author:nil email:nil creator:nil timestamp:nil
-#+PROPERTY:    header-args :padline no :exports code :cache no :noweb yes
-#+EXPORT_SELECT_TAGS:  export
-#+EXPORT_EXCLUDE_TAGS: noexport
-#+TAGS: assert(a) class(c) debug(d) mixin(m) spine(s) tangle(T) template(t) WEB(W) noexport(n)
-
-- [[./spine.org][spine]]  [[./][org/]]
-- [[./output_hub.org][output_hub]]
-
-* sql
-** _module, templates_                                                :module:
-*** hub
-**** collection
-
-#+BEGIN_SRC d :tangle "../src/doc_reform/output/sqlite.d"
-module doc_reform.output.sqlite;
-<<output_imports>>
-import d2sqlite3;
-import std.typecons : Nullable;
-mixin DocReformOutputRgxInit;
-mixin InternalMarkup;
-static auto rgx = Rgx();
-static auto mkup = InlineMarkup();
-long _metadata_tid_lastrowid;
-template SQLiteHubBuildTablesAndPopulate() {
-  void SQLiteHubBuildTablesAndPopulate(D,M)(
-    const D  doc_abstraction,
-          M  doc_matters,
-  ) {
-    auto pth_sqlite = DocReformPathsSQLite!()(doc_matters.sqlite.filename, doc_matters.output_path);
-    pth_sqlite.base.mkdirRecurse;
-    auto db = Database(pth_sqlite.sqlite_file);
-    template SQLiteDbStatementComposite() {
-      void SQLiteDbStatementComposite(Db,D,M)(
-              Db   db,
-        const D    doc_abstraction,
-              M    doc_matters,
-      ) {
-        <<sqlite_db_statement_composite_collection>>
-        if (!(doc_matters.opt.action.quiet)) {
-          writeln(" ", pth_sqlite.sqlite_file);
-        }
-      }
-    }
-    SQLiteDbStatementComposite!()(db, doc_abstraction, doc_matters);
-  }
-}
-#+END_SRC
-
-**** discrete
-
-#+BEGIN_SRC d :tangle "../src/doc_reform/output/sqlite.d"
-template SQLiteHubDiscreteBuildTablesAndPopulate() {
-  void SQLiteHubDiscreteBuildTablesAndPopulate(D,M)(
-    const D    doc_abstraction,
-          M    doc_matters,
-  ) {
-    auto url_html = DocReformUrlsHTML!()(doc_matters.conf_make_meta.conf.webserv_url_doc_root, doc_matters.src.language);
-    auto pth_sqlite = DocReformPathsSQLiteDiscrete!()(doc_matters.output_path, doc_matters.src.language);
-    pth_sqlite.base.mkdirRecurse;
-    auto db = Database(pth_sqlite.sqlite_file(doc_matters.src.filename));
-    template SQLiteDiscreteDbStatementComposite() {
-      void SQLiteDiscreteDbStatementComposite(Db,D,M)(
-              Db   db,
-        const D    doc_abstraction,
-              M    doc_matters,
-      ) {
-        <<sqlite_db_statement_composite_discrete>>
-        if (!(doc_matters.opt.action.quiet)) {
-          writeln(" ", pth_sqlite.sqlite_file(doc_matters.src.filename));
-        }
-      }
-    }
-    SQLiteDiscreteDbStatementComposite!()(db, doc_abstraction, doc_matters);
-  }
-}
-#+END_SRC
-
-*** db run
-
-#+BEGIN_SRC d :tangle "../src/doc_reform/output/sqlite.d"
-template SQLiteDbRun() {
-  void SQLiteDbRun(Db,St,O)(
-    Db       db,
-    St       db_statement,
-    O        opt_action,
-    string   note,
-  ) {
-    debug(sql_statement) {
-      writeln(db_statement);
-    }
-    try {
-      db.run(
-        "\nBEGIN;\n" ~
-        db_statement ~
-        "\nCOMMIT;\n"
-      );
-      if (!(opt_action.sqlite_discrete)
-        && !(opt_action.sqlite_db_create)
-      ) {
-      }
-    } catch (ErrnoException ex) {
-      writeln("ERROR SQLite : ", ex);
-    } catch (Exception ex) {
-      writeln("ERROR SQLite : ", ex);
-    }
-    { /+ debug +/
-      if (opt_action.debug_do
-      && opt_action.verbose) {
-        writeln(note);
-        if (opt_action.very_verbose) {
-          writeln(db_statement);
-        }
-      }
-    }
-  }
-}
-#+END_SRC
-
-*** munge
-
-#+BEGIN_SRC d :tangle "../src/doc_reform/output/sqlite.d"
-template SQLinsertDelimiter() {
-  auto SQLinsertDelimiter(string _txt) {
-    _txt = _txt
-      .replaceAll(rgx.quotation_mark_sql_insert_delimiter, "$0$0");
-    return _txt;
-  }
-}
-template SQLiteFormatAndLoadObject() {
-  auto SQLiteFormatAndLoadObject(M)(
-    M    doc_matters,
-  ) {
-    mixin DocReformOutputRgxInit;
-    struct sqlite_format_and_load_objects {
-      <<sanitize_text_for_search>>
-      <<sanitize_and_munge_inline_html>>
-      <<html_objects>>
-      <<sqlite_load_object>>
-      <<hub_format_and_sqlite_load_objects>>
-    }
-    return sqlite_format_and_load_objects();
-  }
-}
-#+END_SRC
-
-*** sqlite instructions
-**** create
-
-#+BEGIN_SRC d :tangle "../src/doc_reform/output/sqlite.d"
-template SQLiteTablesReCreate() {
-  string SQLiteTablesReCreate()() {
-    string _sql_instruct;
-    _sql_instruct = format(q"┃
-      <<sqlite_statement_drop_existing_index>>
-      <<sqlite_statement_drop_existing_tables>>
-      <<sqlite_statement_create_table_metadata_and_src_txt>>
-      <<sqlite_statement_create_table_topic_register>>
-      <<sqlite_statement_create_table_objects>>
-      <<sqlite_statement_create_index>>
-    ┃",);
-    return _sql_instruct;
-  }
-}
-#+END_SRC
-
-**** delete
-
-#+BEGIN_SRC d :tangle "../src/doc_reform/output/sqlite.d"
-template SQLiteDeleteDocument() {
-  string SQLiteDeleteDocument(M)(
-    M doc_matters,
-  ) {
-    <<sqlite_formatted_delete>>
-    return _delete_uid;
-  }
-}
-#+END_SRC
-
-**** insert
-
-#+BEGIN_SRC d :tangle "../src/doc_reform/output/sqlite.d"
-template SQLiteInsertMetadata() {
-  string SQLiteInsertMetadata(M)(
-    M doc_matters,
-  ) {
-    <<sqlite_formatted_insertions_doc_matters_metadata>>
-    <<sqlite_formatted_insertions_topic_register>>
-    return _insert_metadata;
-  }
-}
-#+END_SRC
-
-**** insert doc objects loop
-
-#+BEGIN_SRC d :tangle "../src/doc_reform/output/sqlite.d"
-template SQLiteInsertDocObjectsLoop() {
-  string SQLiteInsertDocObjectsLoop(D,M)(
-    const D    doc_abstraction,
-          M    doc_matters,
-  ) {
-    string _uid = SQLinsertDelimiter!()(doc_matters.src.doc_uid);
-    auto url_html = DocReformUrlsHTML!()(doc_matters.conf_make_meta.conf.webserv_url_doc_root, doc_matters.src.language);
-    string insertDocObjectsRow(O)(O obj) {
-      <<sqlite_formatted_insertions_doc_objects>>
-      return _insert_doc_objects_row;
-    }
-    <<sqlite_objects_loop>>
-  }
-}
-#+END_SRC
-
-**** tables create
-
-#+BEGIN_SRC d :tangle "../src/doc_reform/output/sqlite.d"
-template SQLiteTablesCreate() {
-  void SQLiteTablesCreate(E,O)(E env, O opt_action) {
-    import d2sqlite3;
-    template SQLiteTablesReCreate() {
-      string SQLiteTablesReCreate()() {
-        string _sql_instruct;
-        _sql_instruct = format(q"┃
-          <<sqlite_statement_drop_existing_index>>
-          <<sqlite_statement_drop_existing_tables>>
-          <<sqlite_statement_create_table_metadata_and_src_txt>>
-          <<sqlite_statement_create_table_topic_register>>
-          <<sqlite_statement_create_table_objects>>
-          <<sqlite_statement_create_index>>
-        ┃",);
-        return _sql_instruct;
-      }
-    }
-    if (opt_action.sqlite_db_create) {
-      string _db_statement;
-      auto pth_sqlite = DocReformPathsSQLite!()(opt_action.sqlite_filename, opt_action.output_dir_set);
-      pth_sqlite.base.mkdirRecurse;
-      auto db = Database(pth_sqlite.sqlite_file);
-      {
-        _db_statement ~= SQLiteTablesReCreate!()();
-      }
-      SQLiteDbRun!()(db, _db_statement, opt_action, "TABLE RE-CREATE");
-    }
-  }
-}
-#+END_SRC
-
-**** tables drop
-
-#+BEGIN_SRC d :tangle "../src/doc_reform/output/sqlite.d"
-template SQLiteDbDrop() {
-  void SQLiteDbDrop(O)(O opt_action) {
-    writeln("db drop");
-    if ((opt_action.sqlite_db_drop)) {
-      auto pth_sqlite = DocReformPathsSQLite!()(opt_action.sqlite_filename, opt_action.output_dir_set);
-      writeln("remove(", pth_sqlite.sqlite_file, ")");
-      try {
-        remove(pth_sqlite.sqlite_file);
-      } catch (FileException ex) {
-        // handle error
-      }
-    }
-  }
-}
-#+END_SRC
-
-** 1. [#A] sqlite_db_statement                                   :statement:
-*** collection
-
-#+name: sqlite_db_statement_composite_collection
-#+BEGIN_SRC d
-{
-  string _db_statement;
-  {
-    if ((doc_matters.opt.action.sqlite_db_create)) {
-      auto pth_sqlite = DocReformPathsSQLite!()(doc_matters.sqlite.filename, doc_matters.output_path);
-      pth_sqlite.base.mkdirRecurse;
-      _db_statement ~= SQLiteTablesReCreate!()();
-      SQLiteDbRun!()(db, _db_statement, doc_matters.opt.action, "TABLE RE-CREATE");
-    }
-    if (doc_matters.opt.action.sqlite_delete) {
-      _db_statement ~= SQLiteDeleteDocument!()(doc_matters);
-      SQLiteDbRun!()(db, _db_statement, doc_matters.opt.action, "DELETE Document");
-    }
-    if (doc_matters.opt.action.sqlite_update) {
-      _db_statement ~= SQLiteDeleteDocument!()(doc_matters);
-      SQLiteDbRun!()(db, _db_statement, doc_matters.opt.action, "DELETE Document");
-      _db_statement ~= SQLiteInsertMetadata!()(doc_matters);
-      SQLiteDbRun!()(db, _db_statement, doc_matters.opt.action, "INSERT MetaData");
-      /+ get tid (lastrowid or max) for use in doc_objects table +/
-      _db_statement ~= doc_abstraction.SQLiteInsertDocObjectsLoop!()(doc_matters);
-      SQLiteDbRun!()(db, _db_statement, doc_matters.opt.action, "INSERT DocObjects");
-    }
-  }
-  db.close;
-}
-#+END_SRC
-
-*** discrete
-
-#+name: sqlite_db_statement_composite_discrete
-#+BEGIN_SRC d
-{
-  string _db_statement;
-  {
-    _db_statement ~= SQLiteTablesReCreate!()();
-    _db_statement ~= SQLiteInsertMetadata!()(doc_matters);
-    _db_statement ~= doc_abstraction.SQLiteInsertDocObjectsLoop!()(doc_matters);
-    SQLiteDbRun!()(db, _db_statement, doc_matters.opt.action, "table CREATE Tables, INSERT DocObjects");
-  }
-  db.close;
-}
-#+END_SRC
-
-** 2. imports
-
-#+name: output_imports
-#+BEGIN_SRC d
-import doc_reform.output;
-import
-  std.file,
-  std.uri,
-  std.conv : to;
-#+END_SRC
-
-** 3. format and load template
-*** 1. prepare objects (munge, sanitize, markup)
-**** 1. _text_ generic munge (sanitize text for search)
-
-- [3/4] (search text, applies to all but code blocks)
-  - [ ] remove whitespace, paragraph on single line (formatting kept so far)
-  - [X] remove font face attributes
-  - [X] move embedded endnotes
-    - [X] place after text object
-    - [X] remove embedded endnote numbers (rely on html output to represent)
-  - [X] urls
-    - [X] clean url markers, leave plain link text
-    - [X] place urls after text object and its endnotes
-
-#+name: sanitize_text_for_search
-#+BEGIN_SRC d
-string generic_munge_sanitize_text_for_search(
-  string _txt,
-) {
-  string _notes;
-  string _urls;
-  if (_txt.matchFirst(rgx.inline_notes_al_gen)) {
-    foreach (m; _txt.matchAll(rgx.inline_notes_al_gen_text)) {
-      _notes ~= "\n" ~ m["text"];
-    }
-    _txt = _txt.replaceAll(rgx.inline_notes_al_gen, "");
-  }
-  if (_txt.matchFirst(rgx.inline_link)) {
-    foreach (m; _txt.matchAll(rgx.inline_link)) {
-      if (m["link"].match(rgx.url)) {
-        _urls ~= "\n" ~ m["link"];
-      }
-    }
-    _txt = _txt.replaceAll(rgx.inline_link_clean, "");
-  }
-  if (_notes.length > 0) {
-    _txt ~= _notes;
-  }
-  if (_urls.length > 0) {
-    _txt ~= _urls;
-  }
-  { /+ debug +/
-    if (doc_matters.opt.action.debug_do
-    && doc_matters.opt.action.verbose) {
-      writeln(_txt, "\n");
-    }
-  }
-  debug(sql_text_clean) {
-    writeln(_txt);
-  }
-  return _txt;
-}
-#+END_SRC
-
-**** 2. _html_
-
-light html objects
-- place endnotes after text object
-- light inline html markup
-
-***** munge
-****** general munge (special characters, inline markup, move notes)
-
-#+name: sanitize_and_munge_inline_html
-#+BEGIN_SRC d
-string munge_html(M,O)(
-        M    doc_matters,
-  const O    obj,
-) {
-  string _html_special_characters(string _txt){
-    _txt = _txt
-      .replaceAll(rgx.xhtml_ampersand,    "&#38;")
-      .replaceAll(rgx.xhtml_quotation,    "&#34;")
-      .replaceAll(rgx.xhtml_less_than,    "&#60;")
-      .replaceAll(rgx.xhtml_greater_than, "&#62;")
-      .replaceAll(rgx.nbsp_char,          " ")
-      .replaceAll(rgx.xhtml_line_break,   "<br />");
-    return _txt;
-  }
-  string _html_font_face(string _txt){
-    _txt = _txt
-      .replaceAll(rgx.inline_emphasis,    "<em>$1</em>")
-      .replaceAll(rgx.inline_bold,        "<b>$1</b>")
-      .replaceAll(rgx.inline_underscore,  "<u>$1</u>")
-      .replaceAll(rgx.inline_italics,     "<i>$1</i>")
-      .replaceAll(rgx.inline_superscript, "<sup>$1</sup>")
-      .replaceAll(rgx.inline_subscript,   "<sub>$1</sub>")
-      .replaceAll(rgx.inline_strike,      "<del>$1</del>")
-      .replaceAll(rgx.inline_insert,      "<ins>$1</ins>")
-      .replaceAll(rgx.inline_mono,        "<tt>$1</tt>")
-      .replaceAll(rgx.inline_cite,        "<cite>$1</cite>");
-    return _txt;
-  }
-  string _notes;
-  string _urls;
-  string _txt = _html_font_face(_html_special_characters(obj.text));
-  if (_txt.matchFirst(rgx.inline_notes_al_gen)) {
-    foreach (m; _txt.matchAll(rgx.inline_notes_al_gen_text)) {
-      _notes ~= "\n" ~ m["text"];
-    }
-    _txt = _txt.replaceAll(rgx.inline_notes_al_gen_ref, "<sup>$1</sup> ");
-  }
-  if (_notes.length > 0) {
-    _txt ~= _notes;
-  }
-  { /+ debug +/
-    if (doc_matters.opt.action.debug_do
-    && doc_matters.opt.action.verbose) {
-      writeln(_txt, "\n");
-    }
-  }
-  return _txt;
-}
-#+END_SRC
-
-****** special characters
-
-#+name: sanitize_and_munge_inline_html
-#+BEGIN_SRC d
-string html_special_characters(string _txt){
-  _txt = _txt
-    .replaceAll(rgx.xhtml_ampersand,    "&#38;")
-    .replaceAll(rgx.xhtml_quotation,    "&#34;")
-    .replaceAll(rgx.xhtml_less_than,    "&#60;")
-    .replaceAll(rgx.xhtml_greater_than, "&#62;")
-    .replaceAll(rgx.nbsp_char,          " ")
-    .replaceAll(rgx.xhtml_line_break,   "<br />");
-  return _txt;
-}
-#+END_SRC
-
-****** special characters for code
-
-#+name: sanitize_and_munge_inline_html
-#+BEGIN_SRC d
-string html_special_characters_code(string _txt){
-  _txt = _txt
-    .replaceAll(rgx.xhtml_ampersand,    "&#38;")
-    .replaceAll(rgx.xhtml_quotation,    "&#34;")
-    .replaceAll(rgx.xhtml_less_than,    "&#60;")
-    .replaceAll(rgx.xhtml_greater_than, "&#62;")
-    .replaceAll(rgx.nbsp_char,          " ");
-  return _txt;
-}
-#+END_SRC
-
-****** font_face
-
-#+name: sanitize_and_munge_inline_html
-#+BEGIN_SRC d
-string html_font_face(string _txt){
-  _txt = _txt
-    .replaceAll(rgx.inline_emphasis,    "<em>$1</em>")
-    .replaceAll(rgx.inline_bold,        "<b>$1</b>")
-    .replaceAll(rgx.inline_underscore,  "<u>$1</u>")
-    .replaceAll(rgx.inline_italics,     "<i>$1</i>")
-    .replaceAll(rgx.inline_superscript, "<sup>$1</sup>")
-    .replaceAll(rgx.inline_subscript,   "<sub>$1</sub>")
-    .replaceAll(rgx.inline_strike,      "<del>$1</del>")
-    .replaceAll(rgx.inline_insert,      "<ins>$1</ins>")
-    .replaceAll(rgx.inline_mono,        "<tt>$1</tt>")
-    .replaceAll(rgx.inline_cite,        "<cite>$1</cite>");
-  return _txt;
-}
-#+END_SRC
-
-****** inline markup
-******* images
-
-#+name: sanitize_and_munge_inline_html
-#+BEGIN_SRC d
-string inline_images(M,O)(
-               M  doc_matters,
-  const        O  obj,
-  string          _txt,
-  string          _suffix    = ".html",
-  string          _xml_type = "seg",
-) {
-  string _img_pth;
-  if (_xml_type == "epub") {
-    _img_pth = "image/";
-  } else if (_xml_type == "scroll") {
-    _img_pth = "../../image/";
-  } else if (_xml_type == "seg") {
-    _img_pth = "../../../image/";
-  }
-  if (_txt.match(rgx.inline_image)) {
-    _txt = _txt.replaceAll( // TODO bug where image dimensions (w or h) not given & consequently set to 0; should not be used (calculate earlier, abstraction)
-        rgx.inline_image,
-        ("$1<img src=\""
-          ~ _img_pth
-          ~ "$3\" width=\"$4\" height=\"$5\" naturalsizeflag=\"0\" align=\"bottom\" border=\"0\" /> $6"));
-  }
-  return _txt;
-}
-#+END_SRC
-
-******* links
-******** scroll, seg, epub
-
-#+name: sanitize_and_munge_inline_html
-#+BEGIN_SRC d
-string inline_links(M,O)(
-               M doc_matters,
-  const        O obj,
-  string         _txt,
-  string         _xml_type = "seg",
-) {
-  if (obj.has.inline_links) {
-    if  (obj.metainfo.is_a != "code") {
-      _txt = replaceAll!(m =>
-          m[1] ~ "┤" ~ to!string((obj.stow.link[m[2].to!ulong])).encode ~ "├"
-        )(_txt, rgx.inline_link_number_only);
-    }
-    if ((_txt.match(rgx.mark_internal_site_lnk))
-    && (_xml_type == "scroll")) { // conditions reversed to avoid: gdc compiled program run segfault
-      _txt = _txt.replaceAll(
-        rgx.inline_seg_link,
-        "$1");
-    }
-    auto pth_html = DocReformPathsHTML!()(doc_matters.output_path, doc_matters.src.language);
-    if (_xml_type == "seg") {
-      foreach (m; _txt.match(rgx.inline_link_hash)) {
-        if (m.captures[3] in doc_matters.has.tag_associations) {
-          if (m.captures[3] == doc_matters.has.tag_associations[(m.captures[3])]["seg_lv4"]) {
-            _txt = _txt.replaceFirst(
-              rgx.inline_link_hash,
-              "┥$1┝┤"
-                ~ doc_matters.conf_make_meta.conf.webserv_url_doc_root
-                ~ "/"
-                ~ pth_html.tail_fn_seg(doc_matters.src.filename, "$3.html")
-              ~ "├"
-            );
-          } else {
-            _txt = _txt.replaceFirst(
-              rgx.inline_link_hash,
-              "┥$1┝┤"
-                ~ doc_matters.conf_make_meta.conf.webserv_url_doc_root
-                ~ "/"
-                ~ doc_matters.has.tag_associations[(m.captures[3])]["seg_lv4"]
-                ~ ".html"
-                ~ "#" ~ "$3"
-              ~ "├"
-            );
-          }
-        } else {
-          if (!(doc_matters.opt.action.quiet)) {
-            writeln(
-              "WARNING on internal document links, anchor to link <<"
-               ~ m.captures[3]
-               ~ ">> not found in document, "
-               ~ "anchor: " ~ m.captures[3]
-               ~ " document: " ~ doc_matters.src.filename
-            );
-          }
-        }
-      }
-    } else {
-      if (auto m = _txt.match(rgx.inline_link_hash)) {
-        _txt = _txt.replaceFirst(
-          rgx.inline_link_hash,
-          "┥$1┝┤"
-            ~ doc_matters.conf_make_meta.conf.webserv_url_doc_root
-            ~ "/"
-            ~ pth_html.tail_fn_scroll(doc_matters.src.filename)
-            ~ "#" ~ "$3"
-          ~ "├"
-        );
-      }
-    }
-    _txt = _txt
-      .replaceAll(
-        rgx.inline_link_fn_suffix,
-        ("$1.html"))
-      .replaceAll(
-        rgx.inline_link,
-        ("<a href=\"$2\">$1</a>"))
-      .replaceAll(
-        rgx.mark_internal_site_lnk,
-        "");
-  }
-  debug(markup_links) {
-    if (_txt.match(rgx.inline_link)) {
-      writeln(__LINE__,
-        " (missed) markup link identified (",
-        obj.has.inline_links,
-        "): ", obj.metainfo.is_a, ": ",
-        obj.text
-      );
-    }
-  }
-  debug(markup) {
-    if (_txt.match(rgx.inline_link)) {
-      writeln(__LINE__,
-        " (missed) markup link identified (",
-        obj.has.inline_links,
-        "): ", obj.metainfo.is_a, ": ",
-        obj.text
-      );
-    }
-  }
-  return _txt;
-}
-#+END_SRC
-
-******* notes
-******** scroll
-
-#+name: sanitize_and_munge_inline_html
-#+BEGIN_SRC d
-string inline_notes_scroll(M,O)(
-               M   doc_matters,
-  const        O   obj,
-  string           _txt,
-) {
-  if (obj.has.inline_notes_reg) {
-    // _txt = font_face(_txt);
-    _txt = _txt.replaceAll(
-      rgx.inline_notes_al_regular_number_note,
-      ("<a href=\"#note_$1\"><note id=\"noteref_$1\">&#160;<sup>$1</sup> </note></a>")
-    );
-  }
-  debug(markup_endnotes) {
-    if (_txt.match(rgx.inline_notes_al_regular_number_note)) {
-      writeln(__LINE__, " (missed) markup endnote: ", obj.metainfo.is_a, ": ", obj.text);
-    }
-  }
-  debug(markup) {
-    if (_txt.match(rgx.inline_notes_al_regular_number_note)) {
-      writeln(__LINE__, " (missed) markup endnote: ", obj.metainfo.is_a, ": ", obj.text);
-    }
-  }
-  return _txt;
-}
-#+END_SRC
-
-******** seg
-
-#+name: sanitize_and_munge_inline_html
-#+BEGIN_SRC d
-auto inline_notes_seg(M,O)(
-               M     doc_matters,
-  const        O     obj,
-  string             _txt,
-) {
-  string[] _endnotes;
-  if (obj.has.inline_notes_reg) {
-    /+ need markup for text, and separated footnote +/
-    foreach(m; _txt.matchAll(rgx.inline_notes_al_regular_number_note)) {
-      _endnotes ~= format(
-        "%s%s%s%s\n  %s%s%s%s%s\n  %s\n%s",
-        "<p class=\"endnote\">",
-        "<a href=\"#noteref_",
-        m.captures[1],
-        "\">",
-        "<note id=\"note_",
-        m.captures[1],
-        "\">&#160;<sup>",
-        m.captures[1],
-        ".</sup></note></a>",
-        m.captures[2],
-        "</p>"
-      );
-    }
-    _txt = _txt.replaceAll(
-      rgx.inline_notes_al_regular_number_note,
-      ("<a href=\"#note_$1\"><note id=\"noteref_$1\">&#160;<sup>$1</sup> </note></a>")
-    );
-  } else if (_txt.match(rgx.inline_notes_al_regular_number_note)) {
-    debug(markup) {
-      writeln(__LINE__, " endnote: ", obj.metainfo.is_a, ": ", obj.text);
-    }
-  }
-  auto t = tuple(
-    _txt,
-    _endnotes,
-  );
-  return t;
-}
-#+END_SRC
-
-******* inline markup
-
-#+name: sanitize_and_munge_inline_html
-#+BEGIN_SRC d
-string xml_type="seg"; /+ set html document type to be linked to here (seg|scroll) +/
-string inline_markup(M,O)(
-               M  doc_matters,
-  const        O  obj,
-  string          _txt,
-) {
-  _txt = inline_images(doc_matters, obj, _txt, xml_type);
-  _txt = inline_links(doc_matters, obj, _txt, xml_type);
-  _txt = inline_notes_scroll(doc_matters, obj, _txt);
-  return _txt;
-}
-#+END_SRC
-
-***** objects
-****** heading
-
-#+name: html_objects
-#+BEGIN_SRC d
-string html_heading(M,O)(
-        M   doc_matters,
-  const O   obj,
-) {
-  assert(obj.metainfo.is_of_part    == "body" || "frontmatter" || "backmatter");
-  assert(obj.metainfo.is_of_section == "body" || "toc" || "endnotes" || "glossary" || "bibliography" || "bookindex" || "blurb");
-  assert(obj.metainfo.is_of_type    == "para");
-  assert(obj.metainfo.is_a          == "heading");
-  string _txt = munge_html(doc_matters, obj);
-  _txt = inline_markup(doc_matters, obj, _txt);
-  string o = format(q"┃<p class="%s"><b>
-      %s
-    </b></p>┃",
-      obj.metainfo.is_a,
-      _txt,
-    );
-  return o;
-}
-#+END_SRC
-
-******* +fancy+
-
-##+name: prepare_objects_html
-#+BEGIN_SRC d
-string html_heading(M,O)(
-        M   doc_matters,
-  const O   obj,
-) {
-  string o;
-  string _txt = munge_html(doc_matters, obj);
-  o = format(q"┃<h%s class="%s">
-      %s
-    </h%s>┃",
-      obj.metainfo.heading_lev_markup,
-      obj.metainfo.is_a,
-      _txt,
-      obj.metainfo.heading_lev_markup,
-    );
-  return o;
-}
-#+END_SRC
-
-****** para
-
-#+name: html_objects
-#+BEGIN_SRC d
-string html_para(M,O)(
-        M   doc_matters,
-  const O   obj,
-) {
-  assert(obj.metainfo.is_of_part    == "body" || "frontmatter" || "backmatter");
-  assert(obj.metainfo.is_of_section == "body" || "toc" || "endnotes" || "glossary" || "bibliography" || "bookindex" || "blurb");
-  assert(obj.metainfo.is_of_type    == "para");
-  assert(obj.metainfo.is_a          == "para" || "toc" || "endnotes" || "glossary" || "bibliography" || "bookindex" || "blurb");
-  string _txt = munge_html(doc_matters, obj);
-  _txt = (obj.attrib.bullet) ? ("●&#160;&#160;" ~ _txt) : _txt;
-  _txt = inline_markup(doc_matters, obj, _txt);
-  string o = format(q"┃<p class="%s" indent="h%si%s">
-    %s
-  </p>┃",
-      obj.metainfo.is_a,
-      obj.attrib.indent_hang,
-      obj.attrib.indent_base,
-      _txt
-    );
-  return o;
-}
-#+END_SRC
-
-****** quote
-
-#+name: html_objects
-#+BEGIN_SRC d
-string html_quote(M,O)(
-        M   doc_matters,
-  const O   obj,
-) {
-  assert(obj.metainfo.is_of_part    == "body");
-  assert(obj.metainfo.is_of_section == "body" || "glossary" || "bibliography" || "bookindex" || "blurb");
-  assert(obj.metainfo.is_of_type    == "block");
-  assert(obj.metainfo.is_a          == "quote");
-  string _txt = munge_html(doc_matters, obj);
-  string o = format(q"┃<p class="%s">
-    %s
-  </p>┃",
-      obj.metainfo.is_a,
-      _txt
-    );
-  return o;
-}
-#+END_SRC
-
-****** group
-
-#+name: html_objects
-#+BEGIN_SRC d
-string html_group(M,O)(
-        M   doc_matters,
-  const O   obj,
-) {
-  assert(obj.metainfo.is_of_part    == "body");
-  assert(obj.metainfo.is_of_section == "body" || "glossary" || "bibliography" || "bookindex" || "blurb");
-  assert(obj.metainfo.is_of_type    == "block");
-  assert(obj.metainfo.is_a          == "group");
-  string _txt = munge_html(doc_matters, obj);
-  string o = format(q"┃<p class="%s">
-    %s
-  </p>┃",
-      obj.metainfo.is_a,
-      _txt
-    );
-  return o;
-}
-#+END_SRC
-
-****** block
-
-#+name: html_objects
-#+BEGIN_SRC d
-string html_block(M,O)(
-        M   doc_matters,
-  const O   obj,
-) {
-  assert(obj.metainfo.is_of_part    == "body");
-  assert(obj.metainfo.is_of_section == "body" || "glossary" || "bibliography" || "bookindex" || "blurb");
-  assert(obj.metainfo.is_of_type    == "block");
-  assert(obj.metainfo.is_a          == "block");
-  string _txt = munge_html(doc_matters, obj);
-  string o = format(q"┃
-  <p class="%s">%s</p>┃",
-      obj.metainfo.is_a,
-      _txt.stripRight
-    );
-  return o;
-}
-#+END_SRC
-
-****** verse
-
-#+name: html_objects
-#+BEGIN_SRC d
-string html_verse(M,O)(
-        M   doc_matters,
-  const O   obj,
-) {
-  assert(obj.metainfo.is_of_part    == "body");
-  assert(obj.metainfo.is_of_section == "body" || "glossary" || "bibliography" || "bookindex" || "blurb");
-  assert(obj.metainfo.is_of_type    == "block");
-  assert(obj.metainfo.is_a          == "verse");
-  string _txt = munge_html(doc_matters, obj);
-  string o = format(q"┃<p class="%s">%s</p>┃",
-      obj.metainfo.is_a,
-      _txt
-    );
-  return o;
-}
-#+END_SRC
-
-****** code
-
-#+name: html_objects
-#+BEGIN_SRC d
-string html_code(O)(
-  const O   obj,
-) {
-  assert(obj.metainfo.is_of_part    == "body");
-  assert(obj.metainfo.is_of_section == "body");
-  assert(obj.metainfo.is_of_type    == "block");
-  assert(obj.metainfo.is_a          == "code");
-  string _txt = html_special_characters_code(obj.text);
-  string o = format(q"┃<p class="%s">%s</p>┃",
-      obj.metainfo.is_a,
-      _txt
-    );
-  return o;
-}
-#+END_SRC
-
-****** table
-
-#+name: html_objects
-#+BEGIN_SRC d
-string html_table(M,O)(
-        M   doc_matters,
-  const O   obj,
-) {
-  assert(obj.metainfo.is_of_part    == "body");
-  assert(obj.metainfo.is_of_section == "body");
-  assert(obj.metainfo.is_of_type    == "block");
-  assert(obj.metainfo.is_a          == "table");
-  auto _tablarize(O)(
-    const O         obj,
-          string    _txt,
-  ) {
-    string[] _table_rows = _txt.split(rgx.table_delimiter_row);
-    string[] _table_cols;
-    string _table;
-    string _tablenote;
-    foreach(row_idx, row; _table_rows) {
-      _table_cols = row.split(rgx.table_delimiter_col);
-        _table ~= "<tr>";
-        foreach(col_idx, cell; _table_cols) {
-          if ((_table_cols.length == 1)
-          && (_table_rows.length <= row_idx+2)) { // check row_idx+2 (rather than == ++row_idx)
-            _tablenote ~= cell;
-          } else {
-            string _col_is = (row_idx == 0 && obj.table.heading) ? "th" : "td";
-            string _align = ("style=\"text-align:"
-            ~ ((obj.table.column_aligns[col_idx] == "l")
-            ? "left\"" : "right\""));
-            _table ~= "<"
-              ~ _col_is
-              ~ " width=\""
-              ~ obj.table.column_widths[col_idx].to!string
-              ~ "%\" "
-              ~ _align
-              ~ ">";
-            _table ~= cell;
-            _table ~= "</"
-              ~ _col_is
-              ~ ">";
-          }
-        }
-        _table ~= "</tr>";
-      }
-    auto t = tuple(
-      _table,
-      _tablenote,
-    );
-    return t;
-  }
-  string _txt = munge_html(doc_matters, obj);
-  auto t = _tablarize(obj, _txt);
-  _txt = t[0];
-  string _note = t[1];
-  string o = format(q"┃<p class="%s">
-    <table summary="normal text css" width="95%%" border="0" bgcolor="white" cellpadding="2" align="center">
-      %s
-    </table>
-    %s
-  </p>┃",
-    obj.metainfo.is_a,
-    _txt,
-    _note
-  );
-  return o;
-}
-#+END_SRC
-
-*** 2. hub (sqlite_format_and_load_objects)
-**** sql related
-
-#+name: sqlite_load_object
-#+BEGIN_SRC d
-string sqlite_load_string(M,O)(
-        M   doc_matters,
-  const O   obj,
-) {
-  string o;
-  return o;
-}
-#+END_SRC
-
-#+name: sqlite_load_object
-#+BEGIN_SRC d
-string postgresql_load_string(M,O)(
-        M   doc_matters,
-  const O   obj,
-) {
-  string o;
-  return o;
-}
-#+END_SRC
-
-#+name: sqlite_load_object
-#+BEGIN_SRC d
-string sqlite_statement(O)(
-  const O          obj,
-        string     _txt,
-        string     _html,
-) {
-  void _sql_exe(O)(
-    string                   _sql,
-  ) {
-    writeln(_html);
-    writeln(_sql);
-  }
-  string _sql;
-  return _sql;
-}
-#+END_SRC
-
-**** heading
-
-#+name: hub_format_and_sqlite_load_objects
-#+BEGIN_SRC d
-string[string] heading(M,O)(
-        M   doc_matters,
-  const O   obj,
-) {
-  string[string] obj_txt = [
-    "text": generic_munge_sanitize_text_for_search(obj.text),
-    "html": html_heading(doc_matters, obj)
-  ];
-  { /+ debug +/
-    if (doc_matters.opt.action.debug_do
-    && doc_matters.opt.action.verbose) {
-      debug(sql_txt) {
-        writeln(obj_txt["text"]);
-      }
-      debug(sql_html) {
-        writeln(obj_txt["html"]);
-      }
-    } else {
-      // load sql
-    }
-  }
-  return obj_txt;
-}
-#+END_SRC
-
-**** para
-
-#+name: hub_format_and_sqlite_load_objects
-#+BEGIN_SRC d
-string[string] para(M,O)(
-        M   doc_matters,
-  const O   obj,
-) {
-  string[string] obj_txt = [
-    "text": generic_munge_sanitize_text_for_search(obj.text),
-    "html": html_para(doc_matters, obj)
-  ];
-  { /+ debug +/
-    if (doc_matters.opt.action.debug_do
-    && doc_matters.opt.action.verbose) {
-      debug(sql_txt) {
-        writeln(obj_txt["text"]);
-      }
-      debug(sql_html) {
-        writeln(obj_txt["html"]);
-      }
-    } else {
-      // load sql
-    }
-  }
-  return obj_txt;
-}
-#+END_SRC
-
-**** quote
-
-#+name: hub_format_and_sqlite_load_objects
-#+BEGIN_SRC d
-string[string] quote(M,O)(
-        M   doc_matters,
-  const O   obj,
-) {
-  string[string] obj_txt = [
-    "text": generic_munge_sanitize_text_for_search(obj.text),
-    "html": html_quote(doc_matters, obj)
-  ];
-  { /+ debug +/
-    if (doc_matters.opt.action.debug_do
-    && doc_matters.opt.action.verbose) {
-      debug(sql_txt) {
-        writeln(obj_txt["text"]);
-      }
-      debug(sql_html) {
-        writeln(obj_txt["html"]);
-      }
-    } else {
-      // load sql
-    }
-  }
-  return obj_txt;
-}
-#+END_SRC
-**** group
-
-#+name: hub_format_and_sqlite_load_objects
-#+BEGIN_SRC d
-string[string] group(M,O)(
-        M   doc_matters,
-  const O   obj,
-) {
-  string[string] obj_txt = [
-    "text": generic_munge_sanitize_text_for_search(obj.text),
-    "html": html_group(doc_matters, obj)
-  ];
-  { /+ debug +/
-    if (doc_matters.opt.action.debug_do
-    && doc_matters.opt.action.verbose) {
-      debug(sql_txt) {
-        writeln(obj_txt["text"]);
-      }
-      debug(sql_html) {
-        writeln(obj_txt["html"]);
-      }
-    } else {
-      // load sql
-    }
-  }
-  return obj_txt;
-}
-#+END_SRC
-
-**** block
-
-#+name: hub_format_and_sqlite_load_objects
-#+BEGIN_SRC d
-string[string] block(M,O)(
-        M   doc_matters,
-  const O   obj,
-) {
-  string[string] obj_txt = [
-    "text": generic_munge_sanitize_text_for_search(obj.text),
-    "html": html_block(doc_matters, obj)
-  ];
-  { /+ debug +/
-    if (doc_matters.opt.action.debug_do
-    && doc_matters.opt.action.verbose) {
-      debug(sql_txt) {
-        writeln(obj_txt["text"]);
-      }
-      debug(sql_html) {
-        writeln(obj_txt["html"]);
-      }
-    } else {
-      // load sql
-    }
-  }
-  return obj_txt;
-}
-#+END_SRC
-
-**** verse
-
-#+name: hub_format_and_sqlite_load_objects
-#+BEGIN_SRC d
-string[string] verse(M,O)(
-        M   doc_matters,
-  const O   obj,
-) {
-  string[string] obj_txt = [
-    "text": generic_munge_sanitize_text_for_search(obj.text),
-    "html": html_verse(doc_matters, obj)
-  ];
-  { /+ debug +/
-    if (doc_matters.opt.action.debug_do
-    && doc_matters.opt.action.verbose) {
-      debug(sql_txt) {
-        writeln(obj_txt["text"]);
-      }
-      debug(sql_html) {
-        writeln(obj_txt["html"]);
-      }
-    } else {
-      // load sql
-    }
-  }
-  return obj_txt;
-}
-#+END_SRC
-
-**** code
-
-#+name: hub_format_and_sqlite_load_objects
-#+BEGIN_SRC d
-string[string] code(M,O)(
-        M   doc_matters,
-  const O   obj,
-) {
-  string[string] obj_txt = [
-    "text": generic_munge_sanitize_text_for_search(obj.text),
-    "html": html_code(obj)
-  ];
-  { /+ debug +/
-    if (doc_matters.opt.action.debug_do
-    && doc_matters.opt.action.verbose) {
-      debug(sql_txt) {
-        writeln(obj_txt["text"]);
-      }
-      debug(sql_html) {
-        writeln(obj_txt["html"]);
-      }
-    } else {
-      // load sql
-    }
-  }
-  return obj_txt;
-}
-#+END_SRC
-
-**** table
-
-#+name: hub_format_and_sqlite_load_objects
-#+BEGIN_SRC d
-string[string] table(M,O)(
-        M   doc_matters,
-  const O   obj,
-) {
-  string[string] obj_txt = [
-    "text": generic_munge_sanitize_text_for_search(obj.text),
-    "html": html_table(doc_matters, obj)
-  ];
-  { /+ debug +/
-    if (doc_matters.opt.action.debug_do
-    && doc_matters.opt.action.verbose) {
-      debug(sql_txt) {
-        writeln(obj_txt["text"]);
-      }
-      debug(sql_html) {
-        writeln(obj_txt["html"]);
-      }
-    } else {
-      // load sql
-    }
-  }
-  return obj_txt;
-}
-#+END_SRC
-
-** 4. ↻ loop, identify, load - loop template
-
-#+name: sqlite_objects_loop
-#+BEGIN_SRC d
-auto format_and_sqlite_load = SQLiteFormatAndLoadObject!()(doc_matters);
-string[string] obj_txt;
-string doc_text;
-string[] _insert_doc_objects;
-foreach (part; doc_matters.has.keys_seq.sql) {
-  foreach (obj; doc_abstraction[part]) {
-    switch (obj.metainfo.is_of_part) {
-    case "frontmatter":              assert(part == "head", part);
-      switch (obj.metainfo.is_of_type) {
-      case "para":
-        switch (obj.metainfo.is_a) {
-        case "heading":
-          obj_txt = format_and_sqlite_load.heading(doc_matters, obj);
-          break;
-        default:
-          { /+ debug +/
-            if (doc_matters.opt.action.debug_do
-            && doc_matters.opt.action.verbose) {
-              writeln(__FILE__, ":", __LINE__, ": ", obj.metainfo.is_a);
-            }
-          }
-          break;
-        }
-        break;
-      default:
-        { /+ debug +/
-          if (doc_matters.opt.action.debug_do
-          && doc_matters.opt.action.verbose) {
-            writeln(__FILE__, ":", __LINE__, ": ", obj.metainfo.is_of_type);
-          }
-        }
-        break;
-      }
-      break;
-    case "body": //                    assert(part == "body", part);
-      switch (obj.metainfo.is_of_type) {
-      case "para":
-        switch (obj.metainfo.is_a) {
-        case "heading":
-          debug (asserts) {
-            if (part != "body") {
-              writeln(__LINE__, ": ", obj.text);
-            }
-          }
-          obj_txt = format_and_sqlite_load.heading(doc_matters, obj);
-          break;
-        case "para":
-          obj_txt = format_and_sqlite_load.para(doc_matters, obj);
-          break;
-        default:
-          { /+ debug +/
-            if (doc_matters.opt.action.debug_do
-            && doc_matters.opt.action.verbose) {
-              writeln(__FILE__, ":", __LINE__, ": ", obj.metainfo.is_a);
-            }
-          }
-          break;
-        }
-        break;
-      case "block":
-        switch (obj.metainfo.is_a) {
-        case "quote":
-          obj_txt = format_and_sqlite_load.quote(doc_matters, obj);
-          break;
-        case "group":
-          obj_txt = format_and_sqlite_load.group(doc_matters, obj);
-          break;
-        case "block":
-          obj_txt = format_and_sqlite_load.block(doc_matters, obj);
-          break;
-        case "poem":                        // double check on keeping both poem & verse
-          break;
-        case "verse":
-          obj_txt = format_and_sqlite_load.verse(doc_matters, obj);
-          break;
-        case "code":
-          obj_txt = format_and_sqlite_load.code(doc_matters, obj);
-          break;
-        case "table":
-          obj_txt = format_and_sqlite_load.table(doc_matters, obj);
-          break;
-        default:
-          { /+ debug +/
-            if (doc_matters.opt.action.debug_do
-            && doc_matters.opt.action.verbose) {
-              writeln(__FILE__, ":", __LINE__, ": ", obj.metainfo.is_a);
-            }
-          }
-          break;
-        }
-        break;
-      default:
-        { /+ debug +/
-          if (doc_matters.opt.action.debug_do
-          && doc_matters.opt.action.verbose) {
-            writeln(__FILE__, ":", __LINE__, ": ", obj.metainfo.is_of_type);
-          }
-        }
-        break;
-      }
-      break;
-    case "backmatter":
-      assert(part == "glossary" || "bibliography" || "bookindex" || "blurb" || "tail", part);
-      switch (obj.metainfo.is_of_type) {
-      case "para":
-        switch (obj.metainfo.is_a) {
-        case "heading":
-          obj_txt = format_and_sqlite_load.heading(doc_matters, obj);
-          break;
-        case "glossary":             assert(part == "glossary", part);
-          obj_txt = format_and_sqlite_load.para(doc_matters, obj);
-          break;
-        case "bibliography":         assert(part == "bibliography", part);
-          obj_txt = format_and_sqlite_load.para(doc_matters, obj);
-          break;
-        case "bookindex":            assert(part == "bookindex", part);
-          obj_txt = format_and_sqlite_load.para(doc_matters, obj);
-          break;
-        case "blurb":                assert(part == "blurb", part);
-          obj_txt = format_and_sqlite_load.para(doc_matters, obj);
-          break;
-        default:
-          { /+ debug +/
-            if (doc_matters.opt.action.debug_do
-            && doc_matters.opt.action.verbose) {
-              writeln(__FILE__, ":", __LINE__, ": ", obj.metainfo.is_a);
-            }
-          }
-          break;
-        }
-        break;
-      default:
-        { /+ debug +/
-          if (doc_matters.opt.action.debug_do
-          && doc_matters.opt.action.verbose) {
-            writeln(__FILE__, ":", __LINE__, ": ", obj.metainfo.is_of_type);
-          }
-        }
-        break;
-      }
-      break;
-    case "comment":
-      break;
-    default:
-      { /+ debug +/
-        if (doc_matters.opt.action.debug_do
-        && doc_matters.opt.action.verbose) {
-          writeln(__FILE__, ":", __LINE__, ": ", obj.metainfo.is_of_part); // check where empty value could come from
-          writeln(__FILE__, ":", __LINE__, ": ", obj.metainfo.is_a);
-          writeln(__FILE__, ":", __LINE__, ": ", obj.text); // check where empty value could come from
-        }
-      }
-      break;
-    }
-    if (obj.metainfo.is_a == "heading") {
-      if ((doc_matters.opt.action.very_verbose)) {
-        writeln(
-          "markup: ", obj.metainfo.heading_lev_markup,
-          "> ", obj.metainfo.dom_structure_markedup_tags_status,
-          "; collapsed: ", obj.metainfo.heading_lev_collapsed,
-          "> ", obj.metainfo.dom_structure_collapsed_tags_status,
-          "; ocn: ", obj.metainfo.ocn,
-          " node: ", obj.metainfo.node,
-          "; parent: ", obj.metainfo.parent_lev_markup,
-          "; ocn: ", obj.metainfo.parent_ocn,
-          "; ",
-        );
-      }
-    }
-    if (!(obj.metainfo.is_a == "comment")) {
-      _insert_doc_objects ~= insertDocObjectsRow(obj);
-    }
-  } // loop closes
-}
-return _insert_doc_objects.join.to!(char[]).toUTF8;
-#+END_SRC
-
-** 5. SQL statements                                             :statement:
-*** drop index and tables
-**** DROP INDEX IF EXISTS
-
-#+name: sqlite_statement_drop_existing_index
-#+BEGIN_SRC sql
-DROP INDEX IF EXISTS idx_ocn;
-DROP INDEX IF EXISTS idx_uid;
-DROP INDEX IF EXISTS idx_digest_clean;
-DROP INDEX IF EXISTS idx_digest_all;
-DROP INDEX IF EXISTS idx_clean;
-DROP INDEX IF EXISTS idx_title;
-DROP INDEX IF EXISTS idx_creator_author;
-DROP INDEX IF EXISTS src_filename;
-DROP INDEX IF EXISTS idx_language_document_char;
-DROP INDEX IF EXISTS idx_classify_topic_register;
-#+END_SRC
-
-**** DROP TABLE IF EXISTS
-
-#+name: sqlite_statement_drop_existing_tables
-#+BEGIN_SRC sql
-DROP TABLE IF EXISTS metadata_and_text;
-DROP TABLE IF EXISTS topic_register;
-DROP TABLE IF EXISTS doc_objects;
-DROP TABLE IF EXISTS urls;
-#+END_SRC
-
-*** create tables and index
-**** CREATE TABLE metadata_and_text
-
-#+name: sqlite_statement_create_table_metadata_and_src_txt
-#+BEGIN_SRC sql
-CREATE TABLE metadata_and_text (
-  uid                              VARCHAR(256)      UNIQUE, -- filename, language char, pod/txt (decide on delimiter [,;:/])
-  src_composite_id_per_txt         VARCHAR(256)  NOT NULL,   -- UNIQUE, z pod name if any + src filename + language code
-  src_composite_id_per_pod         VARCHAR(256)  NOT NULL,   -- z pod name if any + src filename
-  title                            VARCHAR(800)  NOT NULL,
-  title_main                       VARCHAR(400)  NOT NULL,
-  title_sub                        VARCHAR(400)      NULL,
-  title_short                      VARCHAR(400)      NULL,
-  title_edition                    VARCHAR(10)       NULL,
-  title_language                   VARCHAR(100)      NULL,
-  title_language_char              VARCHAR(6)        NULL,
-  creator_author                   VARCHAR(600)  NOT NULL,
-  creator_author_email             VARCHAR(100)      NULL,
-  creator_author_hon               VARCHAR(100)      NULL,
-  creator_author_nationality       VARCHAR(100)      NULL,
-  creator_editor                   VARCHAR(600)      NULL,
-  creator_contributor              VARCHAR(600)      NULL,
-  creator_illustrator              VARCHAR(600)      NULL,
-  creator_photographer             VARCHAR(600)      NULL,
-  creator_translator               VARCHAR(600)      NULL,
-  creator_prepared_by              VARCHAR(600)      NULL,
-  creator_digitized_by             VARCHAR(600)      NULL,
-  creator_audio                    VARCHAR(600)      NULL,
-  creator_video                    VARCHAR(600)      NULL,
-  language_document                VARCHAR(100)      NULL,
-  language_document_char           VARCHAR(6)    NOT NULL,
-  language_original                VARCHAR(100)      NULL,
-  language_original_char           VARCHAR(6)        NULL,
-  date_added_to_site               VARCHAR(10)       NULL,
-  date_available                   VARCHAR(10)       NULL,
-  date_created                     VARCHAR(10)       NULL,
-  date_issued                      VARCHAR(10)       NULL,
-  date_modified                    VARCHAR(10)       NULL,
-  date_published                   VARCHAR(10)       NULL,
-  date_valid                       VARCHAR(10)       NULL,
-  date_translated                  VARCHAR(10)       NULL,
-  date_original_publication        VARCHAR(10)       NULL,
-  date_generated                   VARCHAR(10)       NULL,
-  original_title                   VARCHAR(800)      NULL,
-  original_publisher               VARCHAR(600)      NULL,
-  original_language                VARCHAR(100)      NULL,
-  original_language_char           VARCHAR(6)        NULL,
-  original_source                  VARCHAR(600)      NULL,
-  original_institution             VARCHAR(600)      NULL,
-  original_nationality             VARCHAR(100)      NULL,
-  rights_copyright                 VARCHAR(2500)     NULL,
-  rights_copyright_audio           VARCHAR(2500)     NULL,
-  rights_copyright_cover           VARCHAR(2500)     NULL,
-  rights_copyright_illustrations   VARCHAR(2500)     NULL,
-  rights_copyright_photographs     VARCHAR(2500)     NULL,
-  rights_copyright_text            VARCHAR(2500)     NULL,
-  rights_copyright_translation     VARCHAR(2500)     NULL,
-  rights_copyright_video           VARCHAR(2500)     NULL,
-  rights_license                   VARCHAR(2500)     NULL,
-  identifier_oclc                  VARCHAR(30)       NULL,
-  identifier_isbn                  VARCHAR(16)       NULL,
-  classify_topic_register          VARCHAR(2500)     NULL,
-  classify_subject                 VARCHAR(600)      NULL,
-  classify_loc                     VARCHAR(30)       NULL,
-  classify_dewey                   VARCHAR(30)       NULL,
-  classify_keywords                VARCHAR(600)      NULL,
-  notes_abstract                   TEXT              NULL,
-  notes_description                TEXT              NULL,
-  notes_comment                    TEXT              NULL,
-  notes_coverage                   VARCHAR(200)      NULL,
-  notes_relation                   VARCHAR(200)      NULL,
-  notes_history                    VARCHAR(600)      NULL,
-  notes_type                       VARCHAR(600)      NULL,
-  notes_format                     VARCHAR(600)      NULL,
-  notes_prefix                     TEXT              NULL,
-  notes_prefix_a                   TEXT              NULL,
-  notes_prefix_b                   TEXT              NULL,
-  notes_suffix                     TEXT              NULL,
-  publisher                        VARCHAR(600)      NULL,
-  src_filename                     VARCHAR(256)  NOT NULL,
-  src_fingerprint                  VARCHAR(256)      NULL,
-  src_filesize                     VARCHAR(10)       NULL,
-  src_wordcount                    VARCHAR(10)       NULL,
-  pod_name                         VARCHAR(256)      NULL, -- zipped pod, work to be done here
-  pod_fingerprint                  VARCHAR(256)      NULL, -- zipped pod, work to be done here
-  pod_size                         VARCHAR(10)       NULL, -- zipped pod, work to be done here
-  site_url_doc_root                VARCHAR(256)      NULL, -- url path to doc root
-  site_url_html_toc                VARCHAR(256)      NULL,
-  site_url_html_scroll             VARCHAR(256)      NULL,
-  site_url_epub                    VARCHAR(256)      NULL,
-  links                            TEXT              NULL
-);
-#+END_SRC
-
-**** CREATE TABLE topic_register
-
-#+name: sqlite_statement_create_table_topic_register
-#+BEGIN_SRC sql
-CREATE TABLE topic_register (
-  -- tid                              BIGINT            PRIMARY KEY,
-  uid_metadata_and_text            VARCHAR(256)      REFERENCES metadata_and_text(uid) ON DELETE CASCADE,
-  -- src_composite_id_per_txt         VARCHAR(256)  NOT NULL,  - UNIQUE, - z pod name if any + src filename + language code
-  -- src_composite_id_per_pod         VARCHAR(256)  NOT NULL,  - z pod name if any + src filename
-  topic_register_lv0               VARCHAR(250)  NOT NULL,
-  topic_register_lv1               VARCHAR(250)      NULL,
-  topic_register_lv2               VARCHAR(250)      NULL,
-  topic_register_lv3               VARCHAR(250)      NULL,
-  topic_register_lv4               VARCHAR(250)      NULL,
-  site_url_doc_root                VARCHAR(256)      NULL, -- url path to doc root
-  site_url_html_toc                VARCHAR(256)      NULL,
-  site_url_html_scroll             VARCHAR(256)      NULL
-);
-#+END_SRC
-
-**** CREATE TABLE site_urls ?
-
-#+name: sqlite_statement_create_table_site_urls
-#+BEGIN_SRC sql
-CREATE TABLE site_urls (
-  -- tid                              BIGINT            PRIMARY KEY,
-  uid_metadata_and_text            VARCHAR(256)      REFERENCES metadata_and_text(uid) ON DELETE CASCADE,
-  src_composite_id_per_txt         VARCHAR(256)  NOT NULL, -- UNIQUE, - z pod name if any + src filename + language code
-  src_composite_id_per_pod         VARCHAR(256)  NOT NULL, -- z pod name if any + src filename
-  site_url_doc_root                VARCHAR(256)      NULL, -- url path to doc root
-  site_url_html_toc                VARCHAR(256)      NULL,
-  site_url_html_scroll             VARCHAR(256)      NULL
-);
-#+END_SRC
-
-**** CREATE TABLE doc_objects
-
-#+name: sqlite_statement_create_table_objects
-#+BEGIN_SRC sql
-CREATE TABLE doc_objects (
-  lid                              BIGINT            PRIMARY KEY,
-  uid_metadata_and_text            VARCHAR(256)      REFERENCES metadata_and_text(uid) ON DELETE CASCADE,
-  ocn                              SMALLINT,
-  obj_id                           VARCHAR(6)        NULL,
-  clean                            TEXT              NULL,
-  body                             TEXT              NULL,
-  seg                              VARCHAR(256)      NULL,
-  lev_an                           VARCHAR(1),
-  is_of_type                       VARCHAR(16),
-  is_a                             VARCHAR(16),
-  lev                              SMALLINT          NULL,
-  node                             VARCHAR(16)       NULL,
-  parent                           VARCHAR(16)       NULL,
-  last_decendant                   VARCHAR(16)       NULL, -- headings only
-  digest_clean                     CHAR(256),
-  digest_all                       CHAR(256),
-  html_seg_url                     CHAR(256),
-  types                            CHAR(1)           NULL
-);
-#+END_SRC
-
-**** CREATE INDEX
-
-#+name: sqlite_statement_create_index
-#+BEGIN_SRC sql
-CREATE INDEX idx_ocn ON doc_objects(ocn);
-CREATE INDEX idx_digest_clean ON doc_objects(digest_clean);
-CREATE INDEX idx_digest_all ON doc_objects(digest_all);
-CREATE INDEX idx_clean ON doc_objects(clean);
-CREATE INDEX idx_title ON metadata_and_text(title);
-CREATE INDEX idx_author ON metadata_and_text(creator_author);
-CREATE INDEX idx_uid ON metadata_and_text(uid);
-CREATE INDEX idx_filename ON metadata_and_text(src_filename);
-CREATE INDEX idx_language ON metadata_and_text(language_document_char);
-CREATE INDEX idx_topics ON metadata_and_text(classify_topic_register);
-#+END_SRC
-
-*** TODO local site link & info
-
-*** delete rows (delete document)
-**** DELETE uid rows doc matters & metadata
-***** sql statement: dlang format
-
-#+name: sqlite_formatted_delete
-#+BEGIN_SRC d
-string _uid = doc_matters.src.doc_uid;
-string _delete_uid = format(q"┃
-#+END_SRC
-
-***** DELETE FROM ... WHERE
-
-#+name: sqlite_formatted_delete
-#+BEGIN_SRC sql
-DELETE FROM metadata_and_text
-WHERE uid = '%s';
-DELETE FROM doc_objects
-WHERE uid_metadata_and_text = '%s';
-#+END_SRC
-
-***** VALUES
-
-#+name: sqlite_formatted_delete
-#+BEGIN_SRC d
-┃",
-  _uid,
-  _uid,
-);
-#+END_SRC
-
-*** inserts
-**** INSERT doc matters & metadata
-***** sql statement: dlang format
-
-#+name: sqlite_formatted_insertions_doc_matters_metadata
-#+BEGIN_SRC d
-string _uid = SQLinsertDelimiter!()(doc_matters.src.doc_uid);
-string _insert_metadata = format(q"┃
-#+END_SRC
-
-***** INSERT INTO
-
-#+name: sqlite_formatted_insertions_doc_matters_metadata
-#+BEGIN_SRC sql
-  INSERT INTO metadata_and_text (
-    uid,
-    src_filename,
-    src_composite_id_per_txt,
-    src_composite_id_per_pod,
-    title,
-    title_main,
-    title_sub,
-    title_short,
-    title_edition,
-    title_language,
-    creator_author,
-    creator_author_email,
-    creator_illustrator,
-    creator_translator,
-    language_document,
-    language_document_char,
-    date_added_to_site,
-    date_available,
-    date_created,
-    date_issued,
-    date_modified,
-    date_published,
-    date_valid,
-    rights_copyright,
-    rights_copyright_audio,
-    rights_copyright_cover,
-    rights_copyright_illustrations,
-    rights_copyright_photographs,
-    rights_copyright_text,
-    rights_copyright_translation,
-    rights_copyright_video,
-    rights_license,
-    identifier_oclc,
-    identifier_isbn,
-    classify_dewey,
-    classify_keywords,
-    classify_loc,
-    classify_subject,
-    classify_topic_register,
-    original_title,
-    original_publisher,
-    original_language,
-    original_language_char,
-    original_source,
-    notes_abstract,
-    notes_description,
-    publisher,
-    site_url_doc_root
-  )
-#+END_SRC
-
-***** VALUES
-
-#+name: sqlite_formatted_insertions_doc_matters_metadata
-#+BEGIN_SRC sql
-  VALUES (
-    '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s'
-  );
-#+END_SRC
-
-***** dlang values for formatting
-
-#+name: sqlite_formatted_insertions_doc_matters_metadata
-#+BEGIN_SRC d
-┃",
-  _uid,
-  SQLinsertDelimiter!()(doc_matters.src.filename),
-  SQLinsertDelimiter!()(doc_matters.src.docname_composite_unique_per_src_doc),
-  SQLinsertDelimiter!()(doc_matters.src.docname_composite_unique_per_src_pod),
-  SQLinsertDelimiter!()(doc_matters.conf_make_meta.meta.title_full),
-  SQLinsertDelimiter!()(doc_matters.conf_make_meta.meta.title_main),
-  SQLinsertDelimiter!()(doc_matters.conf_make_meta.meta.title_subtitle),
-  SQLinsertDelimiter!()(doc_matters.conf_make_meta.meta.title_short),
-  SQLinsertDelimiter!()(doc_matters.conf_make_meta.meta.title_edition),
-  SQLinsertDelimiter!()(doc_matters.conf_make_meta.meta.title_language),
-  SQLinsertDelimiter!()(doc_matters.conf_make_meta.meta.creator_author),
-  SQLinsertDelimiter!()(doc_matters.conf_make_meta.meta.creator_author_email),
-  SQLinsertDelimiter!()(doc_matters.conf_make_meta.meta.creator_illustrator),
-  SQLinsertDelimiter!()(doc_matters.conf_make_meta.meta.creator_translator),
-  SQLinsertDelimiter!()(doc_matters.conf_make_meta.meta.language_document),
-  SQLinsertDelimiter!()(doc_matters.conf_make_meta.meta.language_document_char),
-  SQLinsertDelimiter!()(doc_matters.conf_make_meta.meta.date_added_to_site),
-  SQLinsertDelimiter!()(doc_matters.conf_make_meta.meta.date_available),
-  SQLinsertDelimiter!()(doc_matters.conf_make_meta.meta.date_created),
-  SQLinsertDelimiter!()(doc_matters.conf_make_meta.meta.date_issued),
-  SQLinsertDelimiter!()(doc_matters.conf_make_meta.meta.date_modified),
-  SQLinsertDelimiter!()(doc_matters.conf_make_meta.meta.date_published),
-  SQLinsertDelimiter!()(doc_matters.conf_make_meta.meta.date_valid),
-  SQLinsertDelimiter!()(doc_matters.conf_make_meta.meta.rights_copyright),
-  SQLinsertDelimiter!()(doc_matters.conf_make_meta.meta.rights_copyright_audio),
-  SQLinsertDelimiter!()(doc_matters.conf_make_meta.meta.rights_copyright_cover),
-  SQLinsertDelimiter!()(doc_matters.conf_make_meta.meta.rights_copyright_illustrations),
-  SQLinsertDelimiter!()(doc_matters.conf_make_meta.meta.rights_copyright_photographs),
-  SQLinsertDelimiter!()(doc_matters.conf_make_meta.meta.rights_copyright_text),
-  SQLinsertDelimiter!()(doc_matters.conf_make_meta.meta.rights_copyright_translation),
-  SQLinsertDelimiter!()(doc_matters.conf_make_meta.meta.rights_copyright_video),
-  SQLinsertDelimiter!()(doc_matters.conf_make_meta.meta.rights_license),
-  SQLinsertDelimiter!()(doc_matters.conf_make_meta.meta.identifier_oclc),
-  SQLinsertDelimiter!()(doc_matters.conf_make_meta.meta.identifier_isbn),
-  SQLinsertDelimiter!()(doc_matters.conf_make_meta.meta.classify_dewey),
-  SQLinsertDelimiter!()(doc_matters.conf_make_meta.meta.classify_keywords),
-  SQLinsertDelimiter!()(doc_matters.conf_make_meta.meta.classify_loc),
-  SQLinsertDelimiter!()(doc_matters.conf_make_meta.meta.classify_subject),
-  SQLinsertDelimiter!()(doc_matters.conf_make_meta.meta.classify_topic_register),
-  SQLinsertDelimiter!()(doc_matters.conf_make_meta.meta.notes_abstract),
-  SQLinsertDelimiter!()(doc_matters.conf_make_meta.meta.notes_description),
-  SQLinsertDelimiter!()(doc_matters.conf_make_meta.meta.original_title),
-  SQLinsertDelimiter!()(doc_matters.conf_make_meta.meta.original_publisher),
-  SQLinsertDelimiter!()(doc_matters.conf_make_meta.meta.original_language),
-  SQLinsertDelimiter!()(doc_matters.conf_make_meta.meta.original_language_char),
-  SQLinsertDelimiter!()(doc_matters.conf_make_meta.meta.original_source),
-  SQLinsertDelimiter!()(doc_matters.conf_make_meta.meta.publisher),
-  SQLinsertDelimiter!()(doc_matters.conf_make_meta.conf.webserv_url_doc_root)
-);
-#+END_SRC
-
-**** INSERT topic register
-
-writeln(doc_matters.conf_make_meta.meta.classify_topic_register_arr);
-
-***** { if topic register then loop topic register array
-
-#+name: sqlite_formatted_insertions_topic_register
-#+BEGIN_SRC d
-if (doc_matters.conf_make_meta.meta.classify_topic_register_arr.length > 0) {
-
-  string _insert_topics;
-  foreach (topic; doc_matters.conf_make_meta.meta.classify_topic_register_arr) {
-    string[] subject_tree = topic.split(mkup.sep);
-#+END_SRC
-
-***** sql statement: dlang format
-
-#+name: sqlite_formatted_insertions_topic_register
-#+BEGIN_SRC d
-_insert_topics ~= format(q"┃
-#+END_SRC
-
-***** INSERT INTO
-
-#+name: sqlite_formatted_insertions_topic_register
-#+BEGIN_SRC sql
-  INSERT INTO topic_register (
-    uid_metadata_and_text,
-    topic_register_lv0,
-    topic_register_lv1,
-    topic_register_lv2,
-    topic_register_lv3,
-    topic_register_lv4
-  )
-#+END_SRC
-
-***** VALUES
-
-#+name: sqlite_formatted_insertions_topic_register
-#+BEGIN_SRC sql
-  VALUES (
-    '%s', '%s', '%s', '%s', '%s', '%s'
-  );
-#+END_SRC
-
-***** dlang values for formatting
-
-#+name: sqlite_formatted_insertions_topic_register
-#+BEGIN_SRC d
-┃",
-  _uid,
-  (subject_tree.length > 0) ? subject_tree[0] : "",
-  (subject_tree.length > 1) ? subject_tree[1] : "",
-  (subject_tree.length > 2) ? subject_tree[2] : "",
-  (subject_tree.length > 3) ? subject_tree[3] : "",
-  (subject_tree.length > 4) ? subject_tree[4] : ""
-);
-#+END_SRC
-
-***** } close topic register & loop topic register array
-
-#+name: sqlite_formatted_insertions_topic_register
-#+BEGIN_SRC d
-  }
-}
-#+END_SRC
-
-**** INSERT doc objects
-
-lid unique, increment by 1 per object, not ocn
-
-metadata tid document number unique
-either:
-- increment by adding 1 for each document,
-- make hash of document filename or url and use?
-
-***** sql statement: dlang format
-
-#+name: sqlite_formatted_insertions_doc_objects
-#+BEGIN_SRC d
-string _insert_doc_objects_row = format(q"┃
-#+END_SRC
-
-***** INSERT INTO
-
-#+name: sqlite_formatted_insertions_doc_objects
-#+BEGIN_SRC sql
-  INSERT INTO doc_objects (
-    uid_metadata_and_text,
-    ocn,
-    obj_id,
-    clean,
-    body,
-    lev,
-    is_of_type,
-    is_a,
-    html_seg_url
-  )
-#+END_SRC
-
-***** VALUES
-
-#+name: sqlite_formatted_insertions_doc_objects
-#+BEGIN_SRC sql
-  VALUES (
-    '%s', %s, '%s', '%s', '%s', %s, '%s', '%s', '%s'
-  );
-#+END_SRC
-
-***** dlang values for formatting
-
-#+name: sqlite_formatted_insertions_doc_objects
-#+BEGIN_SRC d
-┃",
-  _uid,
-  obj.metainfo.ocn,
-  obj.metainfo.identifier,
-  SQLinsertDelimiter!()(obj_txt["text"]),
-  SQLinsertDelimiter!()(obj_txt["html"]),
-  obj.metainfo.heading_lev_markup,
-  obj.metainfo.is_of_type,
-  obj.metainfo.is_a,
-  url_html.fn_seg_obj_num(doc_matters.src.filename, obj.tags.html_segment_anchor_tag_is, obj.metainfo.identifier),
-);
-#+END_SRC
-
-* __END__
diff --git a/org/output_src_pod.org b/org/output_src_pod.org
deleted file mode 100644
index df6be5f..0000000
--- a/org/output_src_pod.org
+++ /dev/null
@@ -1,443 +0,0 @@
--*- mode: org -*-
-#+TITLE:       spine (doc_reform) output pod
-#+DESCRIPTION: documents - structuring, publishing in multiple formats & search
-#+FILETAGS:    :spine:output:source:pod:
-#+AUTHOR:      Ralph Amissah
-#+EMAIL:       [[mailto:ralph.amissah@gmail.com][ralph.amissah@gmail.com]]
-#+COPYRIGHT:   Copyright (C) 2015 - 2019 Ralph Amissah
-#+LANGUAGE:    en
-#+STARTUP:     indent content hideblocks hidestars
-#+OPTIONS:     H:3 num:nil toc:t \n:nil @:t ::t |:t ^:nil _:nil -:t f:t *:t <:t
-#+OPTIONS:     TeX:t LaTeX:t skip:nil d:nil todo:t pri:nil tags:not-in-toc
-#+OPTIONS:     author:nil email:nil creator:nil timestamp:nil
-#+PROPERTY:    header-args :padline no :exports code :cache no :noweb yes
-#+EXPORT_SELECT_TAGS:  export
-#+EXPORT_EXCLUDE_TAGS: noexport
-#+TAGS: assert(a) class(c) debug(d) mixin(m) spine(s) tangle(T) template(t) WEB(W) noexport(n)
-
-- [[./spine.org][spine]]  [[./][org/]]
-- [[./output_hub.org][output_hub]]
-
-* pod
-** _module template_                                                :module:
-
-#+BEGIN_SRC d :tangle "../src/doc_reform/output/source_pod.d"
-module doc_reform.output.source_pod;
-template DocReformPod() {
-  <<output_imports>>
-  void DocReformPod(T)(T doc_matters) {
-    <<source_pod_init>>
-    <<source_pod_archive>>
-    try {
-      <<source_pod_mkdirs>>
-      <<source_pod_copy>>
-      <<source_pod_zip>>
-    } catch (ErrnoException ex) {
-      // Handle error
-    }
-  }
-}
-#+END_SRC
-
-** init
-*** imports
-
-#+name: output_imports
-#+BEGIN_SRC d
-import doc_reform.output;
-import
-  std.digest.sha,
-  std.file,
-  std.outbuffer,
-  std.zip,
-  std.conv : to;
-import
-  doc_reform.output.create_zip_file,
-  doc_reform.output.xmls;
-#+END_SRC
-
-*** init
-
-#+name: source_pod_init
-#+BEGIN_SRC d
-debug(asserts) {
-  // static assert(is(typeof(doc_matters) == tuple));
-}
-mixin DocReformOutputRgxInit;
-string pwd = doc_matters.env.pwd;
-auto src_path_info = doc_matters.src_path_info;
-auto pth_dr_doc_src = doc_matters.src_path_info;
-auto pths_pod = DocReformPathsPods!()(doc_matters);
-mixin DocReformLanguageCodes;
-auto lang = Lang();
-static auto rgx = Rgx();
-assert (doc_matters.src.filename.match(rgx.src_fn));
-#+END_SRC
-
-*** pod zip archive
-
-#+name: source_pod_archive
-#+BEGIN_SRC d
-auto pod_archive(Z)(
-  string _source_type,
-  string _data_in,
-  string _pth_out,
-  Z zip
-) {
-  auto zip_arc_member_file = new ArchiveMember();
-  zip_arc_member_file.name = _pth_out;
-  auto zip_data = new OutBuffer();
-  switch (_source_type) {
-  case "file_path_bin":
-    zip_data.write(cast(char[]) ((_data_in).read));
-    goto default;
-  case "file_path_text":
-    zip_data.write((_data_in).readText);
-    goto default;
-  case "string":
-    zip_data.write(_data_in);
-    goto default;
-  default:
-    zip_arc_member_file.expandedData = zip_data.toBytes();
-    zip.addMember(zip_arc_member_file);
-  }
-  return zip;
-}
-#+END_SRC
-
-** mkdir                                                             :mkdir:
-
-#+name: source_pod_mkdirs
-#+BEGIN_SRC d
-/+ create directory structure +/
-if (!exists(pths_pod.pod_dir_())) {
-  // used both by pod zipped (& pod filesystem (unzipped) which makes its own recursive dirs)
-  pths_pod.pod_dir_().mkdirRecurse;
-}
-if (doc_matters.opt.action.source) {
-  if (!(doc_matters.opt.action.quiet)) {
-    writeln(" ", pths_pod.fn_pod_filelist(doc_matters.src.filename).filesystem_open_zpod);
-  }
-  if (!exists(pths_pod.text_root(doc_matters.src.filename).filesystem_open_zpod)) {
-    pths_pod.text_root(doc_matters.src.filename).filesystem_open_zpod.mkdirRecurse;
-  }
-  if (!exists(pths_pod.conf_root(doc_matters.src.filename).filesystem_open_zpod)) {
-    pths_pod.conf_root(doc_matters.src.filename).filesystem_open_zpod.mkdirRecurse;
-  }
-  if (!exists(pths_pod.media_root(doc_matters.src.filename).filesystem_open_zpod)) {
-    pths_pod.media_root(doc_matters.src.filename).filesystem_open_zpod.mkdirRecurse;
-  }
-  if (!exists(pths_pod.css(doc_matters.src.filename).filesystem_open_zpod)) {
-    pths_pod.css(doc_matters.src.filename).filesystem_open_zpod.mkdirRecurse;
-  }
-  if (!exists(pths_pod.image_root(doc_matters.src.filename).filesystem_open_zpod)) {
-    pths_pod.image_root(doc_matters.src.filename).filesystem_open_zpod.mkdirRecurse;
-  }
-  if (!exists(pths_pod.doc_lng(doc_matters.src.filename, doc_matters.src.language).filesystem_open_zpod)) {
-    pths_pod.doc_lng(doc_matters.src.filename, doc_matters.src.language).filesystem_open_zpod.mkdirRecurse;
-  }
-}
-#+END_SRC
-
-** copy                                                               :copy:
-
-#+name: source_pod_copy
-#+BEGIN_SRC d
-debug(pod) {
-  writeln(__LINE__, ": ",
-    doc_matters.src.filename, " -> ",
-    pths_pod.fn_doc(doc_matters.src.filename, doc_matters.src.language).filesystem_open_zpod
-  );
-}
-auto zip = new ZipArchive();
-auto fn_pod = pths_pod.pod_filename(doc_matters.src.filename).zpod;
-{ /+ bundle images +/
-  foreach (image; doc_matters.srcs.image_list) {
-    debug(podimages) {
-      writeln(
-        pth_dr_doc_src.image_root.to!string, "/", image, " -> ",
-        pths_pod.image_root(doc_matters.src.filename).zpod, "/", image
-      );
-    }
-    auto fn_src_in = doc_matters.src.image_dir_path ~ "/" ~ image;
-    auto fn_src_out_pod_zip_base
-      = pths_pod.image_root(doc_matters.src.filename).zpod.to!string
-      ~ "/" ~ image;
-    auto fn_src_out_filesystem
-      = pths_pod.image_root(doc_matters.src.filename).filesystem_open_zpod.to!string
-      ~ "/" ~ image;
-    if (exists(fn_src_in)) {
-      debug(io) {
-        writeln("(io debug) src out found: ", fn_src_in);
-      }
-      if (doc_matters.opt.action.source) {
-        fn_src_in.copy(fn_src_out_filesystem);
-      }
-      if (doc_matters.opt.action.pod) {
-        zip = pod_archive("file_path_bin", fn_src_in, fn_src_out_pod_zip_base, zip);
-      }
-    } else {
-      if (doc_matters.opt.action.debug_do
-      && doc_matters.opt.action.verbose) {
-        writeln("WARNING (io) src out NOT found (image): ", fn_src_in);
-      }
-    }
-  }
-} { /+ bundle dr_document_make +/
-  auto fn_src_in = ((doc_matters.src.is_pod)
-    ? doc_matters.src.conf_dir_path
-    : pth_dr_doc_src.conf_root).to!string
-    ~ "/" ~ "dr_document_make";
-  auto fn_src_out_pod_zip_base
-    = pths_pod.conf_root(doc_matters.src.filename).zpod.to!string ~ "/" ~ "dr_document_make";
-  auto fn_src_out_filesystem
-    = pths_pod.conf_root(doc_matters.src.filename).filesystem_open_zpod.to!string
-    ~ "/" ~ "dr_document_make";
-  if (exists(fn_src_in)) {
-    debug(io) {
-      writeln("(io debug) src out found: ", fn_src_in);
-    }
-    if (doc_matters.opt.action.source) {
-      fn_src_in.copy(fn_src_out_filesystem);
-    }
-    if (doc_matters.opt.action.pod) {
-      zip = pod_archive("file_path_text", fn_src_in, fn_src_out_pod_zip_base, zip);
-    }
-  } else {
-    if (doc_matters.opt.action.debug_do
-    && doc_matters.opt.action.verbose) {
-      writeln("WARNING (io) src out NOT found (document make): ", fn_src_in);
-    }
-  }
-} { /+ pod manifest +/
-  auto fn_src_in = doc_matters.src.file_with_absolute_path.to!string;
-  auto fn_src_out_pod_zip_base
-    = pths_pod.pod_manifest(doc_matters.src.filename).zpod.to!string;
-  auto fn_src_out_filesystem
-    = pths_pod.pod_manifest(doc_matters.src.filename).filesystem_open_zpod.to!string; // needed without root path
-  auto fn_src_out_inside_pod
-    = pths_pod.pod_manifest(doc_matters.src.filename).zpod.to!string; // needed without root path
-  string[] filelist_src_out_pod_arr;
-  string[] filelist_src_zpod_arr;
-  if (exists(fn_src_in)) {
-    debug(io) {
-      writeln("(io debug) src in found: ", fn_src_in);
-    }
-    filelist_src_out_pod_arr ~= fn_src_out_pod_zip_base;
-    filelist_src_zpod_arr ~= fn_src_out_inside_pod;
-    {
-      import dyaml;
-      auto pod_filelist_yaml_string
-        = File(pths_pod.fn_pod_filelist(doc_matters.src.filename).filesystem_open_zpod, "w");
-      Node _pmy;
-      string _pm = "doc:\n  filename: " ~ doc_matters.src.filename ~ "\n  language: " ~ doc_matters.pod.manifest_list_of_languages.to!string ~ "\n";
-      if (doc_matters.opt.action.debug_do
-      && doc_matters.opt.action.verbose) {
-        _pmy = Loader.fromString(_pm).load();
-        writeln("pod filename:  ", _pmy["doc"]["filename"].get!string);
-        writeln("pod languages: ", doc_matters.pod.manifest_list_of_languages.to!string);
-        writeln("pod languages: ", doc_matters.src.language);
-        // foreach(string _l; _pmy["doc"]["language"]) {
-        //   writeln("language:      ", _l);
-        // }
-      }
-      if (doc_matters.opt.action.source) {
-        pod_filelist_yaml_string.writeln(_pm);
-      }
-      if (doc_matters.opt.action.pod) {
-        zip = pod_archive("string", _pm, fn_src_out_pod_zip_base, zip);
-      }
-    }
-  }
-} { /+ bundle primary file (.ssm/.sst) +/
-  auto fn_src_in = doc_matters.src.file_with_absolute_path.to!string;
-  auto fn_src_out_pod_zip_base
-    = pths_pod.fn_doc(doc_matters.src.filename, doc_matters.src.language).zpod.to!string;
-  auto fn_src_out_filesystem
-    = pths_pod.fn_doc(doc_matters.src.filename, doc_matters.src.language).filesystem_open_zpod.to!string; // needed without root path:
-  auto fn_src_out_inside_pod
-    = pths_pod.fn_doc(doc_matters.src.filename, doc_matters.src.language).zpod.to!string; // needed without root path:
-  string[] filelist_src_out_pod_arr;
-  string[] filelist_src_zpod_arr;
-  if (exists(fn_src_in)) {
-    debug(io) {
-      writeln("(io debug) src in found: ", fn_src_in);
-    }
-    filelist_src_out_pod_arr ~= fn_src_out_pod_zip_base;
-    filelist_src_zpod_arr ~= fn_src_out_inside_pod;
-    string _pod_to_markup_file = doc_matters.src.pod_name ~ "/" ~ "media/text/" ~ doc_matters.src.language ~ "/" ~ doc_matters.src.filename;
-    if (doc_matters.opt.action.source) {
-      fn_src_in.copy(fn_src_out_filesystem);
-    }
-    if (doc_matters.opt.action.pod) {
-      auto _rgx = regex(r"(?P<path_to_pod>\S+?)(?P<podname>[a-z_-]+)/(?P<from_root>media/text/)(?P<language>\S+?)/(?P<filename>\S+?\.ss[mt])");
-      if (auto _x = fn_src_in.match(_rgx)){
-        if (doc_matters.src.lng == doc_matters.pod.manifest_list_of_languages[$-1]) {
-          string _path_to_pod = _x.captures["path_to_pod"];
-          string _podname = _x.captures["podname"];
-          string _root_to_lang = _x.captures["from_root"];
-          string _language = _x.captures["language"];
-          string _filename = _x.captures["filename"];
-          foreach (_lang; doc_matters.pod.manifest_list_of_languages) {
-            string _pth_mkup_src_in = _path_to_pod ~ _podname ~ "/" ~ _root_to_lang ~ _lang ~ "/" ~ _filename;
-            string _pth_mkup_src_out = "pod/" ~ _root_to_lang ~ _lang ~ "/" ~ _filename;
-            zip = pod_archive("file_path_text", _pth_mkup_src_in, _pth_mkup_src_out, zip);
-          }
-        }
-      } else {
-        zip = pod_archive("file_path_text", fn_src_in, fn_src_out_pod_zip_base, zip);
-      }
-    }
-  } else {
-    if (doc_matters.opt.action.debug_do
-    && doc_matters.opt.action.verbose) {
-      writeln("WARNING (io) src in NOT found (markup source): ", fn_src_in);
-    }
-  }
-} { /+ bundle insert files (.ssi) +/
-  if (doc_matters.srcs.file_insert_list.length > 0) {
-    auto _rgx = regex(r"(?P<path_to_pod>\S+?)(?P<podname>[a-z_-]+)/(?P<from_root>media/text/)(?P<language>\S+?)/(?P<filename>\S+?\.ss[i])");
-    foreach (insert_file; doc_matters.srcs.file_insert_list) {
-      debug(pod) {
-        writeln(
-          insert_file, " -> ",
-          pths_pod.fn_doc_insert(
-            doc_matters.src.filename,
-            insert_file,
-            doc_matters.src.language,
-          ).zpod
-        );
-      }
-      if (auto _x = insert_file.match(_rgx)){
-        if (doc_matters.src.lng == doc_matters.pod.manifest_list_of_languages[$-1]) {
-          string _path_to_pod = _x.captures["path_to_pod"];
-          string _podname = _x.captures["podname"];
-          string _root_to_lang = _x.captures["from_root"];
-          string _language = _x.captures["language"];
-          string _filename = _x.captures["filename"];
-          foreach (_lang; doc_matters.pod.manifest_list_of_languages) {
-            string _pth_mkup_src_in = _path_to_pod ~ _podname ~ "/" ~ _root_to_lang ~ _lang ~ "/" ~ _filename;
-            string _pth_mkup_src_out = "pod/" ~ _root_to_lang ~ _lang ~ "/" ~ _filename;
-            if (exists(_pth_mkup_src_in)) {
-              if (doc_matters.opt.action.source) {
-                auto fn_src_out_filesystem // you need to change language sources
-                  = pths_pod.fn_doc_insert(
-                    doc_matters.src.filename, // doc_matters.src.filename
-                    _pth_mkup_src_in, // insert_file
-                    _lang,
-                  ).filesystem_open_zpod.to!string;
-                _pth_mkup_src_in.copy(fn_src_out_filesystem); // check why here, thought dealt with elsewhere
-              }
-              if (doc_matters.opt.action.pod) {
-                 zip = pod_archive("file_path_text", _pth_mkup_src_in, _pth_mkup_src_out, zip);
-              }
-            } else {
-              if (doc_matters.opt.action.debug_do
-              && doc_matters.opt.action.verbose) {
-                writeln("WARNING (io) src out NOT found (insert file): ", _pth_mkup_src_in);
-              }
-            }
-          }
-        }
-      } else {
-        auto fn_src_in = insert_file;
-        auto fn_src_out_pod_zip_base
-          = pths_pod.fn_doc_insert(
-            doc_matters.src.filename,
-            insert_file,
-            doc_matters.src.language,
-          ).zpod.to!string;
-        auto fn_src_out_filesystem
-          = pths_pod.fn_doc_insert(
-            doc_matters.src.filename,
-            insert_file,
-            doc_matters.src.language,
-          ).filesystem_open_zpod.to!string;
-        if (exists(fn_src_in)) {
-          debug(io) {
-            writeln("(io debug) src out found: ", fn_src_in);
-          }
-          if (doc_matters.opt.action.source) {
-            fn_src_in.copy(fn_src_out_filesystem);
-          }
-          if (doc_matters.opt.action.pod) {
-            zip = pod_archive("file_path_text", fn_src_in, fn_src_out_pod_zip_base, zip);
-          }
-        } else {
-          if (doc_matters.opt.action.debug_do
-          && doc_matters.opt.action.verbose) {
-            writeln("WARNING (io) src out NOT found (insert file): ", fn_src_in);
-          }
-        }
-      }
-    }
-  }
-} {
-  auto fn_src_in = doc_matters.src.filename;
-  if (doc_matters.opt.action.pod) {
-    if (exists(doc_matters.src.file_with_absolute_path)) {
-      createZipFile!()(fn_pod, zip.build());
-    } else {
-      writeln("WARNING check missing source file(s): ", doc_matters.opt.action.pod);
-    }
-    if (!(exists(fn_pod))) {
-      writeln("WARNING failed to create pod zip archive: ", fn_pod);
-    }
-  }
-}
-#+END_SRC
-
-** sha256 of pod.zip, zip debug, read zip archive
-
-#+name: source_pod_copy
-#+BEGIN_SRC d
-if (exists(fn_pod)) {
-  try {
-    if (!(doc_matters.opt.action.quiet)
-    && doc_matters.opt.action.pod) {
-      auto data = (cast(byte[]) (fn_pod).read);
-      if (doc_matters.opt.action.verbose) {
-        writeln(" ", doc_matters.src.filename, " > ");
-      }
-      if (doc_matters.opt.action.pod) {
-        writefln(" %s\n   %s %-(%02x%)", fn_pod, "sha256", data.sha256Of);
-      }
-    }
-    debug(pod) {
-      try {
-        auto zipped = new ZipArchive((fn_pod).read);
-        foreach (filename, member; zipped.directory) {
-          auto data = zipped.expand(member);
-          writeln("> ", filename, " length ", data.length);
-        }
-      } catch (ZipException ex) {
-        // Handle errors
-      }
-      if (doc_matters.src.filename == "dr_doc/media/text/en/the_wealth_of_networks.yochai_benkler.sst") {
-        assert(
-          ((data).sha256Of).toHexString
-          == "626F83A31ED82F42CF528E922C1643498A137ABA3F2E5AFF8A379EA79EA22A1E",
-          "\npod: sha256 value for "
-          ~ doc_matters.src.filename
-          ~ " has changed, is now: "
-          ~ ((data).sha256Of).toHexString
-        );
-      }
-      if (doc_matters.src.filename == "dr_doc/media/text/en/sisu_markup_stress_test.sst") {
-        assert(
-          ((data).sha256Of).toHexString
-          == "AAE0C87AB3F6D5F7385AEEA6EE661F56D40475CFE87AD930C78C9FE07FFB0D91",
-          "\npod: sha256 value for "
-          ~ doc_matters.src.filename
-          ~ " has changed, is now: "
-          ~ ((data).sha256Of).toHexString
-        );
-      }
-    }
-  } catch (ErrnoException ex) {
-    // Handle errors
-  }
-}
-#+END_SRC
-
-* __END__
diff --git a/org/output_xmls.org b/org/output_xmls.org
deleted file mode 100644
index ea1af4a..0000000
--- a/org/output_xmls.org
+++ /dev/null
@@ -1,3095 +0,0 @@
--*- mode: org -*-
-#+TITLE:       spine (doc_reform) output xmls
-#+DESCRIPTION: documents - structuring, publishing in multiple formats & search
-#+FILETAGS:    :spine:output:xml:
-#+AUTHOR:      Ralph Amissah
-#+EMAIL:       [[mailto:ralph.amissah@gmail.com][ralph.amissah@gmail.com]]
-#+COPYRIGHT:   Copyright (C) 2015 - 2019 Ralph Amissah
-#+LANGUAGE:    en
-#+STARTUP:     indent content hideblocks hidestars
-#+OPTIONS:     H:3 num:nil toc:t \n:nil @:t ::t |:t ^:nil _:nil -:t f:t *:t <:t
-#+OPTIONS:     TeX:t LaTeX:t skip:nil d:nil todo:t pri:nil tags:not-in-toc
-#+OPTIONS:     author:nil email:nil creator:nil timestamp:nil
-#+PROPERTY:    header-args :padline no :exports code :cache no :noweb yes
-#+EXPORT_SELECT_TAGS:  export
-#+EXPORT_EXCLUDE_TAGS: noexport
-#+TAGS: assert(a) class(c) debug(d) mixin(m) spine(s) tangle(T) template(t) WEB(W) noexport(n)
-
-- [[./spine.org][spine]]  [[./][org/]]
-- [[./output_hub.org][output_hub]]
-
-* xml offspring (xhtml html epub)
-** format xhtml objects                                             :format:
-*** _module template_                                                :module:
-
-#+BEGIN_SRC d :tangle "../src/doc_reform/output/xmls.d"
-module doc_reform.output.xmls;
-template outputXHTMLs() {
-  <<output_imports>>
-  mixin DocReformOutputRgxInit;
-  struct outputXHTMLs {
-    static auto rgx = Rgx();
-    <<xhtml_format_objects>>
-    <<xhtml_format_objects_code>>
-  }
-}
-#+END_SRC
-
-*** output imports
-
-#+name: output_imports
-#+BEGIN_SRC d
-import doc_reform.output;
-import
-  std.digest.sha,
-  std.file,
-  std.outbuffer,
-  std.uri,
-  std.zip,
-  std.conv : to;
-import
-  doc_reform.output.create_zip_file,
-  doc_reform.output.xmls,
-  doc_reform.output.xmls_css;
-#+END_SRC
-
-*** misc
-**** div delimiter
-
-#+name: xhtml_format_objects
-#+BEGIN_SRC d
-string div_delimit(
-             string  part,
-  return ref string  previous_part
-){
-  string delimit = "";
-  string delimit_ = "";
-  if (part != previous_part) {
-    switch (part) {
-    case "head":
-      delimit_ ~= "\n<div class=\"doc_title\">\n" ;
-      break;
-    case "toc":
-      delimit_ ~= "\n<div class=\"doc_toc\">\n" ;
-      break;
-    case "bookindex":
-      delimit_ ~= "\n<div class=\"doc_bookindex\">\n" ;
-      break;
-    default:
-      delimit_ ~= "\n<div class=\"doc_" ~ part ~ "\">\n" ;
-      break;
-    }
-    if (previous_part.length > 0) {
-      delimit ~= "\n</div>";
-    }
-    previous_part = part;
-    delimit ~=  delimit_;
-  }
-  // you also need to close the last div, introduce a footer?
-  return delimit;
-}
-#+END_SRC
-
-**** special characters text
-
-#+name: xhtml_format_objects
-#+BEGIN_SRC d
-string special_characters_text(string _txt){
-  _txt = _txt
-    .replaceAll(rgx.xhtml_ampersand,    "&#38;")
-    .replaceAll(rgx.xhtml_quotation,    "&#34;")
-    .replaceAll(rgx.xhtml_less_than,    "&#60;")
-    .replaceAll(rgx.xhtml_greater_than, "&#62;")
-    .replaceAll(rgx.nbsp_char,          " ");
-  return _txt;
-}
-#+END_SRC
-
-**** special characters
-
-#+name: xhtml_format_objects
-#+BEGIN_SRC d
-string special_characters(O)(
-  const  O         obj,
-){
-  string _txt = special_characters_text(obj.text);
-  if (!(obj.metainfo.is_a == "code")) {
-    _txt = (_txt)
-      .replaceAll(rgx.xhtml_line_break,   "<br />");
-  }
-  return _txt;
-}
-#+END_SRC
-
-**** font_face
-
-#+name: xhtml_format_objects
-#+BEGIN_SRC d
-string font_face(string _txt){
-  _txt = _txt
-    .replaceAll(rgx.inline_emphasis,    ("<em>$1</em>"))
-    .replaceAll(rgx.inline_bold,        ("<b>$1</b>"))
-    .replaceAll(rgx.inline_underscore,  ("<u>$1</u>"))
-    .replaceAll(rgx.inline_italics,     ("<i>$1</i>"))
-    .replaceAll(rgx.inline_superscript, ("<sup>$1</sup>"))
-    .replaceAll(rgx.inline_subscript,   ("<sub>$1</sub>"))
-    .replaceAll(rgx.inline_strike,      ("<del>$1</del>"))
-    .replaceAll(rgx.inline_insert,      ("<ins>$1</ins>"))
-    .replaceAll(rgx.inline_mono,        ("<tt>$1</tt>"))
-    .replaceAll(rgx.inline_cite,        ("<cite>$1</cite>"));
-  return _txt;
-}
-#+END_SRC
-
-**** anchor tags
-
-#+name: xhtml_format_objects
-#+BEGIN_SRC d
-string _xhtml_anchor_tags(O)(O obj) {
-  const(string[]) anchor_tags = obj.tags.anchor_tags;
-  string tags="";
-  if (anchor_tags.length > 0) {
-    foreach (tag; anchor_tags) {
-      if (!(tag.empty)) {
-        tags ~= "<a name=\"" ~ tag ~ "\"></a>";
-      }
-    }
-  }
-  return tags;
-}
-#+END_SRC
-
-**** doc head & tails
-***** metadata
-
-#+name: xhtml_format_objects
-#+BEGIN_SRC d
-string header_metadata(M)(
-  M  doc_matters,
-) {
-  string _publisher="Publisher"; // TODO
-  string o;
-  o = format(q"┃<!-- DocReform header metadata -->
-<meta http-equiv="Content-Type" content="text/html;charset=utf-8" />
-<meta name="dc.title" content="%s" />
-<meta name="dc.author" content="%s" />
-<meta name="dc.publisher" content="%s" />
-<meta name="dc.date" content="%s" />
-<meta name="dc.date.created" content="%s" />
-<meta name="dc.date.issued" content="%syear" />
-<meta name="dc.date.available" content="%syear" />
-<meta name="dc.date.valid" content="%syear" />
-<meta name="dc.date.modified" content="%syear" />
-<meta name="dc.language" content="%s" />
-<meta name="dc.rights" content="%s" />
-<meta name="generator" content="%s" />
-<link rel="generator" href="%s" />
-<!-- DocReform header metadata -->┃",
-    doc_matters.conf_make_meta.meta.title_full,
-    doc_matters.conf_make_meta.meta.creator_author,
-    _publisher,
-    doc_matters.conf_make_meta.meta.date_published,
-    doc_matters.conf_make_meta.meta.date_created,
-    doc_matters.conf_make_meta.meta.date_issued,
-    doc_matters.conf_make_meta.meta.date_available,
-    doc_matters.conf_make_meta.meta.date_valid,
-    doc_matters.conf_make_meta.meta.date_modified,
-    doc_matters.src.language,
-    doc_matters.conf_make_meta.meta.rights_copyright,
-    doc_matters.opt.action.debug_do ? "" : doc_matters.generator_program.name_and_version,
-    doc_matters.generator_program.url_home,
-  );
-  return o;
-}
-#+END_SRC
-
-***** site info button
-
-#+name: xhtml_format_objects
-#+BEGIN_SRC d
-string site_info_button(M)(
-  M  doc_matters,
-) {
-  string _locations;
-  if (doc_matters.conf_make_meta.make.home_button_text.length > 0) {
-    _locations = (doc_matters.conf_make_meta.make.home_button_text)
-      .replaceAll(
-        rgx.inline_link,
-        ("<p class=\"tiny_left\"><a href=\"$2\">$1</a></p>"))
-      .replaceAll(
-        rgx.br_line, "")
-      .replaceAll(
-        rgx.br_nl, "");
-  } else {
-     _locations = "<p class=\"tiny_left\"><a href=\"http://www.doc-reform.org\">spine</a></p>\n<p class=\"tiny_left\"><a href=\"http://git.sisudoc.org/software/spine/\">sources / git</a></p>\n<p class=\"tiny_left\"><a href=\"http://www.sisudoc.org\">www.sisudoc.org</a></p>";
-  }
-  string o;
-  o = format(q"┃<div class="flex-menu-option">
-      %s
-    </div>┃",
-    _locations,
-  );
-  return o;
-}
-#+END_SRC
-
-***** search form
-
-#+name: xhtml_format_objects
-#+BEGIN_SRC d
-string inline_search_form(M)(
-  M  doc_matters,
-) {
-  string _action="http://www.sisudoc.org/cgi-bin/search.cgi";
-  string _db="DocReform.7a.manual";
-  string o;
-  string _form;
-  if (doc_matters.opt.action.workon) {
-    _form = format(q"┃
-<a name="search"></a>
-<form method="get" action="%s" target="_top">
-<font size="2">
-<input type="text" name="s1" size="24" maxlength="255" />
-<input type="hidden" name="db" value="%s" />
-<input type="hidden" name="ltd" value="1000" />
-<input type="hidden" name="off" value="0" />
-<input type="hidden" name="doc" value="live-manual" /><br />
-<input type="submit" name="search" value="search doc" />
-<input type="submit" name="search" value="search db" />
-</font></form>
-      ┃",
-    _action,
-    _db,
-    );
-  } else {
-    _form = format(q"┃%s┃",
-      "",
-    );
-  }
-  o = format(q"┃<div class="flex-menu-option">%s
-    </div>┃",
-    _form,
-  );
-  return o;
-}
-#+END_SRC
-
-***** html head & head banner
-
-#+name: xhtml_format_objects
-#+BEGIN_SRC d
-string html_head(M)(
-  M  doc_matters,
-  string type,
-) {
-string _manifest = "";
-if (doc_matters.opt.action.workon) {
-  _manifest = format(q"┃
-     <a href="../../manifest/sisu.en.html" target="_top">
-       <font face="verdana, arial, georgia, tahoma, sans-serif, helvetica, times, roman" size="2">
-         [&nbsp;document&nbsp;manifest&nbsp;]
-       </font>
-     </a>
-     ┃",
-  );
-}
-  string o;
-  o = format(q"┃<!DOCTYPE html>
-<html>
-<head>
-  <meta charset="utf-8" />
-  <title>
-    %s%s
-  </title>
-  <!-- metadata -->
-  %s
-  <!-- metadata -->
-  <link rel="generator" href="http://www.sisudoc.org/" />
-  <link rel="shortcut icon" href="%s" />
-  <link href="%s" rel="stylesheet" />
-</head>
-<body lang="%s">
-<a name="top" id="top"></a>
-<div class='delimit headband'>
-  <div class="flex-menu-bar">
-    %s
-    <div class="flex-menu-option">
-      %s
-    </div>
-    %s%s┃",
-    doc_matters.conf_make_meta.meta.title_full,
-    (doc_matters.conf_make_meta.meta.creator_author.empty) ? ""
-      : ", " ~ doc_matters.conf_make_meta.meta.creator_author,
-    header_metadata(doc_matters),
-    ((type == "seg") ? "../../../" : "../../") ~ "image/rb7.ico",
-    ((type == "seg")
-      ? "../../../css/html_seg.css"
-      : "../../css/html_scroll.css"),
-    doc_matters.src.language,
-    site_info_button(doc_matters),
-    _manifest,
-    inline_search_form(doc_matters),
-    ((type == "seg") ? "" : "\n</div>"),
-  );
-  return o;
-}
-#+END_SRC
-
-***** epub seg head
-
-#+name: xhtml_format_objects
-#+BEGIN_SRC d
-string epub3_seg_head(M)(
-  M  doc_matters,
-) {
-  string html_base = format(q"┃<!DOCTYPE html>
-<html>┃",
-);
-  string html_simple = format(q"┃<!DOCTYPE html>
-<html
-  xmlns="http://www.w3.org/1999/xhtml"
-  xmlns:epub="http://www.idpf.org/2007/ops"
-  lang="%s" xml:lang="%s">┃",
-    doc_matters.src.language,
-    doc_matters.src.language,
-  );
-  string html_strict = format(q"┃<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
-     "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
-<html xmlns="http://www.w3.org/1999/xhtml"
-  xmlns:epub="http://www.idpf.org/2007/ops"
-  lang="%s" xml:lang="%s">┃",
-    doc_matters.src.language,
-    doc_matters.src.language,
-  );
-  string o;
-  o = format(q"┃%s
-<head>
-  <title>
-    %s%s
-  </title>
-  <meta http-equiv="Content-Type" content="text/html;charset=utf-8" />
-  <meta name="dc.title" content="%s" />
-  <meta name="dc.author" content="%s" />
-  <meta name="dc.publisher" content="FIX" />
-  <meta name="dc.date" content="%s" />
-  <meta name="dc.date.created" content="%s" />
-  <meta name="dc.date.issued" content="%s" />
-  <meta name="dc.date.available" content="%s" />
-  <meta name="dc.date.valid" content="%s" />
-  <meta name="dc.date.modified" content="%s" />
-  <meta name="dc.language" content="%s" />
-  <meta name="dc.rights" content="%s" />
-  <meta name="generator" content="%s" />
-  <link rel="generator" href="%s" />
-  <link rel="shortcut icon" href="../_dr/image/d.ico" />
-  <link rel="stylesheet" href="css/epub.css" type="text/css" id="main-css" />
-</head>
-<body lang="%s">
-<a name="top" id="top"></a>┃",
-    html_simple,
-    doc_matters.conf_make_meta.meta.title_full,
-    (doc_matters.conf_make_meta.meta.creator_author.empty) ? ""
-      : ", " ~ doc_matters.conf_make_meta.meta.creator_author,
-    doc_matters.conf_make_meta.meta.title_full,
-    (doc_matters.conf_make_meta.meta.creator_author.empty) ? ""
-      : ", " ~ doc_matters.conf_make_meta.meta.creator_author,
-    doc_matters.conf_make_meta.meta.date_published,
-    doc_matters.conf_make_meta.meta.date_created,
-    doc_matters.conf_make_meta.meta.date_issued,
-    doc_matters.conf_make_meta.meta.date_available,
-    doc_matters.conf_make_meta.meta.date_valid,
-    doc_matters.conf_make_meta.meta.date_modified,
-    doc_matters.src.language,
-    doc_matters.conf_make_meta.meta.rights_copyright,
-    doc_matters.generator_program.name_and_version,
-    doc_matters.generator_program.url_home,
-    doc_matters.src.language,
-  );
-  return o;
-}
-#+END_SRC
-
-***** xhtml tail
-
-#+name: xhtml_format_objects
-#+BEGIN_SRC d
-string tail() {
-  string o;
-  o = format(q"┃
-  <a name="bottom" id="bottom"></a>
-  <a name="end" id="end"></a>
-</body>
-</html>┃");
-  return o;
-}
-#+END_SRC
-
-*** inline markup
-**** images
-
-#+name: xhtml_format_objects
-#+BEGIN_SRC d
-string inline_images(O,M)(
-  string          _txt,
-  const        O  obj,
-               M  doc_matters,
-  string          _suffix    = ".html",
-  string          _xml_type = "seg",
-) {
-  string _img_pth;
-  if (_xml_type == "epub") {
-    _img_pth = "image/";
-  } else if (_xml_type == "scroll") {
-    _img_pth = "../../image/";
-  } else if (_xml_type == "seg") {
-    _img_pth = "../../../image/";
-  }
-  if (_txt.match(rgx.inline_image)) {
-    _txt = _txt
-      .replaceAll(rgx.inline_image,
-        ("$1<img src=\""
-          ~ _img_pth
-          ~ "$3\" width=\"$4\" height=\"$5\" naturalsizeflag=\"0\" align=\"bottom\" border=\"0\" /> $6"))
-      .replaceAll(
-        rgx.inline_link_empty,
-        ("$1"));
-  }
-  return _txt;
-}
-#+END_SRC
-
-**** links
-***** scroll, seg, epub
-
-#+name: xhtml_format_objects
-#+BEGIN_SRC d
-string inline_links(O,M)(
-  string          _txt,
-  const        O  obj,
-               M  doc_matters,
-  string         _suffix   = ".html",
-  string         _xml_type = "seg",
-) {
-  string seg_lvs;
-  if (obj.has.inline_links) {
-    if  (obj.metainfo.is_a != "code") {
-      _txt = replaceAll!(m =>
-          m[1] ~ "┤"
-          ~ (replaceAll!(n =>
-              n["type"] ~ n["path"] ~ (n["file"].encodeComponent)
-            )((obj.stow.link[m["num"].to!ulong]).to!string, rgx.uri_identify_components))
-          ~ "├"
-        )(_txt, rgx.inline_link_number_only);
-    }
-    if ((_txt.match(rgx.mark_internal_site_lnk))
-    && (_xml_type == "scroll")) { // conditions reversed to avoid: gdc compiled program run segfault
-      _txt = _txt.replaceAll(
-        rgx.inline_seg_link,
-        "$1");
-    }
-    if (_xml_type == "seg" || _xml_type == "epub") {
-      seg_lvs = (_xml_type == "epub") ? "seg_lv1_to_4" : "seg_lv4";
-      foreach (m; _txt.match(rgx.inline_link_hash)) {
-        if (m.captures[3] in doc_matters.has.tag_associations) {
-          if (
-            m.captures[3]
-            == doc_matters.has.tag_associations[(m.captures[3])][seg_lvs]
-          ) {
-            _txt = _txt.replaceFirst(
-              rgx.inline_link_hash,
-              "┥$1┝┤$3" ~ _suffix ~ "├"
-            );
-          } else {
-            _txt = _txt.replaceFirst(
-              rgx.inline_link_hash,
-              "┥$1┝┤"
-              ~ doc_matters.has.tag_associations[(m.captures[3])][seg_lvs]
-              ~ _suffix ~ "#" ~ "$3"
-              ~ "├"
-            );
-          }
-        } else {
-          if (!(doc_matters.opt.action.quiet)) {
-            writeln(
-              "WARNING on internal document links, anchor to link <<"
-               ~ m.captures[3]
-               ~ ">> not found in document, "
-               ~ "anchor: " ~ m.captures[3]
-               ~ " document: " ~ doc_matters.src.filename
-            );
-          }
-        }
-      }
-    }
-    _txt = _txt
-      .replaceAll(
-        rgx.inline_link_fn_suffix,
-        ("$1" ~ _suffix))
-      .replaceAll(
-        rgx.inline_link,
-        ("<a href=\"$2\">$1</a>"))
-      .replaceAll(
-        rgx.mark_internal_site_lnk,
-        "");
-  }
-  debug(markup_links) {
-    if (_txt.match(rgx.inline_link)) {
-      writeln(__LINE__,
-        " (missed) markup link identified (",
-        obj.has.inline_links,
-        "): ", obj.metainfo.is_a, ": ",
-        obj.text
-      );
-    }
-  }
-  debug(markup) {
-    if (_txt.match(rgx.inline_link)) {
-      writeln(__LINE__,
-        " (missed) markup link identified (",
-        obj.has.inline_links,
-        "): ", obj.metainfo.is_a, ": ",
-        obj.text
-      );
-    }
-  }
-  return _txt;
-}
-#+END_SRC
-
-**** notes
-***** scroll
-
-#+name: xhtml_format_objects
-#+BEGIN_SRC d
-string inline_notes_scroll(O,M)(
-  string          _txt,
-  const        O  obj,
-               M  doc_matters,
-) {
-  if (obj.has.inline_notes_reg) {
-    _txt = font_face(_txt);
-    _txt = _txt.replaceAll(
-      rgx.inline_notes_al_regular_number_note,
-      ("<a href=\"#note_$1\"><note id=\"noteref_$1\">&#160;<sup>$1</sup> </note></a>")
-    );
-  }
-  if (obj.has.inline_notes_star) {
-    _txt = font_face(_txt);
-    _txt = _txt.replaceAll(
-      rgx.inline_notes_al_special_char_note,
-      ("<a href=\"#note_$1\"><note id=\"noteref_$1\">&#160;<sup>$1</sup> </note></a>")
-    );
-  }
-  debug(markup_endnotes) {
-    if (_txt.match(rgx.inline_notes_al_regular_number_note)) {
-      writeln(__LINE__, " (missed) markup endnote: ", obj.metainfo.is_a, ": ", obj.text);
-    }
-  }
-  debug(markup) {
-    if (_txt.match(rgx.inline_notes_al_regular_number_note)) {
-      writeln(__LINE__, " (missed) markup endnote: ", obj.metainfo.is_a, ": ", obj.text);
-    }
-  }
-  return _txt;
-}
-#+END_SRC
-
-***** seg
-
-#+name: xhtml_format_objects
-#+BEGIN_SRC d
-auto inline_notes_seg(O,M)(
-  string          _txt,
-  const        O  obj,
-               M  doc_matters,
-) {
-  string[] _endnotes;
-  if (obj.has.inline_notes_star) {
-    _txt = font_face(_txt);
-    /+ need markup for text, and separated footnote +/
-    foreach(m; _txt.matchAll(rgx.inline_notes_al_special_char_note)) {
-      _endnotes ~= format(
-        "%s%s%s%s\n  %s%s%s%s%s\n  %s\n%s",
-        "<p class=\"endnote\">",
-        "<a href=\"#noteref_",
-        m.captures[1],
-        "\">",
-        "<note id=\"note_",
-        m.captures[1],
-        "\">&#160;<sup>",
-        m.captures[1],
-        ".</sup></note></a>",
-        m.captures[2],
-        "</p>"
-      );
-    }
-    _txt = _txt.replaceAll(
-      rgx.inline_notes_al_special_char_note,
-      ("<a href=\"#note_$1\"><note id=\"noteref_$1\">&#160;<sup>$1</sup> </note></a>")
-    );
-  }
-  if (obj.has.inline_notes_reg) {
-    _txt = font_face(_txt);
-    /+ need markup for text, and separated footnote +/
-    foreach(m; _txt.matchAll(rgx.inline_notes_al_regular_number_note)) {
-      _endnotes ~= format(
-        "%s%s%s%s\n  %s%s%s%s%s\n  %s\n%s",
-        "<p class=\"endnote\">",
-        "<a href=\"#noteref_",
-        m.captures[1],
-        "\">",
-        "<note id=\"note_",
-        m.captures[1],
-        "\">&#160;<sup>",
-        m.captures[1],
-        ".</sup></note></a>",
-        m.captures[2],
-        "</p>"
-      );
-    }
-    _txt = _txt.replaceAll(
-      rgx.inline_notes_al_regular_number_note,
-      ("<a href=\"#note_$1\"><note id=\"noteref_$1\">&#160;<sup>$1</sup> </note></a>")
-    );
-  } else if (_txt.match(rgx.inline_notes_al_regular_number_note)) {
-    debug(markup) {
-      writeln(__LINE__, " endnote: ", obj.metainfo.is_a, ": ", obj.text);
-    }
-  }
-  auto t = tuple(
-    _txt,
-    _endnotes,
-  );
-  return t;
-}
-#+END_SRC
-
-**** inline markup
-***** scroll
-
-#+name: xhtml_format_objects
-#+BEGIN_SRC d
-string inline_markup_scroll(O,M)(
-  string          _txt,
-  const        O  obj,
-               M  doc_matters,
-  string          _suffix = ".html",
-) {
-  if (obj.metainfo.dummy_heading
-    && (obj.metainfo.is_a == "toc" || obj.metainfo.is_a == "heading")) {
-    _txt = "";
-  } else {
-    _txt = inline_images(_txt, obj, doc_matters, _suffix, "scroll");
-    _txt = inline_links(_txt, obj, doc_matters, _suffix, "scroll");
-    _txt = inline_notes_scroll(_txt, obj, doc_matters);
-  }
-  return _txt;
-}
-#+END_SRC
-
-***** seg
-
-#+name: xhtml_format_objects
-#+BEGIN_SRC d
-auto inline_markup_seg(O,M)(
-  string          _txt,
-  const        O  obj,
-               M  doc_matters,
-  string          _suffix = ".html",
-  string          _xml_type = "seg",
-) {
-  if (obj.metainfo.dummy_heading
-    && ((_xml_type == "epub"
-    && (obj.metainfo.is_a == "toc" || obj.metainfo.is_a == "heading"))
-    || obj.metainfo.is_a == "heading")
-  ) {
-    _txt = "";
-  } else {
-    _txt = inline_images(_txt, obj, doc_matters, _suffix, _xml_type); // TODO
-    _txt = inline_links(_txt, obj, doc_matters, _suffix, _xml_type); // TODO
-  }
-  auto t = inline_notes_seg(_txt, obj, doc_matters);
-  return t;
-}
-#+END_SRC
-
-*** toc
-**** subtoc
-
-#+name: xhtml_format_objects
-#+BEGIN_SRC d
-string lev4_heading_subtoc(O,M)(
-  const        O  obj,
-               M  doc_matters,
-) {
-  char[] lev4_subtoc;
-  lev4_subtoc ~= "  <div class=\"nav\">\n";
-  foreach (subtoc; obj.tags.lev4_subtoc) {
-    if (auto m = subtoc.match(rgx.inline_link_subtoc)) {
-      auto indent = (m.captures[1].to!int - 3).to!string; // css assumptions based on use of em for left margin & indent
-      auto text = m.captures[2].to!string;
-      text = font_face(text);
-      auto link = m.captures[3].to!string;
-      lev4_subtoc ~= subtoc.replaceFirst(rgx.inline_link_subtoc,
-        format(q"┃    <p class="minitoc" indent="h%si%s">
-      ۰ <a href="%s">%s</a>
-    </p>
-┃",
-          indent,
-          indent,
-          link,
-          text,
-      ));
-    }
-  }
-  lev4_subtoc ~= "  </div>\n";
-  return lev4_subtoc.to!string;
-}
-#+END_SRC
-
-**** navigation pre next svg
-
-#+name: xhtml_format_objects
-#+BEGIN_SRC d
-auto nav_pre_next_svg(O,M)(
-  const        O  obj,
-               M  doc_matters,
-) {
-  string prev, next, toc;
-  if (obj.tags.segment_anchor_tag_epub == "toc") {
-    toc = "";
-    prev = "";
-  } else {
-    toc = format(q"┃<a href="toc.html" target="_top">
-          <div class="toc-button menu">
-            <svg viewbox="0 0 100 100">
-              <path d="M4,10h24c1.104,0,2-0.896,2-2s-0.896-2-2-2H4C2.896,6,2,6.896,2,8S2.896,10,4,10z M28,14H4c-1.104,0-2,0.896-2,2  s0.896,2,2,2h24c1.104,0,2-0.896,2-2S29.104,14,28,14z M28,22H4c-1.104,0-2,0.896-2,2s0.896,2,2,2h24c1.104,0,2-0.896,2-2  S29.104,22,28,22z"/>
-            </svg>
-          </div>
-        </a>┃",
-    );
-  }
-  if (obj.tags.segname_prev == "") {
-    prev = "";
-  } else {
-    prev = format(q"┃<a href="%s.html" target="_top">
-          <div class="prev-next-button previous">
-            <svg viewbox="0 0 100 100">
-              <path class="arrow" d="M 50,0 L 60,10 L 20,50 L 60,90 L 50,100 L 0,50 Z" transform=" translate(15,0)">
-            </svg>
-          </div>
-        </a>┃",
-      obj.tags.segname_prev,
-    );
-  }
-  if (obj.tags.segname_next == "") {
-    next = "";
-  } else {
-    next = format(q"┃<a href="%s.html" target="_top">
-          <div class="prev-next-button next">
-            <svg viewbox="0 0 100 100">
-              <path class="arrow" d="M 50,0 L 60,10 L 20,50 L 60,90 L 50,100 L 0,50 Z "transform="translate(85,100) rotate(180) ">
-            </svg>
-          </div>
-        </a>┃",
-      obj.tags.segname_next,
-    );
-  }
-  string _toc_pre_next = format(q"┃        <div class="flex-menu-option">
-      <div class="nav-bar">
-        %s
-        %s
-        %s
-      </div>
-    </div>
-  </div>
-</div>┃",
-    toc,
-    prev,
-    next,
-  );
-  string _pre_next = format(q"┃        <div class="flex-menu-option">
-      <div class="nav-bar">
-        %s
-        %s
-      </div>
-    </div>
-  </div>
-</div>┃",
-    prev,
-    next,
-  );
-  struct bar {
-    string toc_pre_next() {
-      return _toc_pre_next;
-    }
-    string pre_next() {
-      return _pre_next;
-    }
-  }
-  return bar();
-}
-#+END_SRC
-
-*** heading
-**** heading
-
-#+name: xhtml_format_objects
-#+BEGIN_SRC d
-string heading(O,M)(
-        string _txt,
-  const O      obj,
-        M      doc_matters,
-  string            _xml_type = "html",
-) {
-  assert(obj.metainfo.is_of_part    == "body" || "frontmatter" || "backmatter");
-  assert(obj.metainfo.is_of_section == "body" || "toc" || "endnotes" || "glossary" || "bibliography" || "bookindex" || "blurb");
-  assert(obj.metainfo.is_of_type    == "para");
-  assert(obj.metainfo.is_a          == "heading");
-  string tags = _xhtml_anchor_tags(obj);
-  string heading_lev_anchor_tag;
-  string _horizontal_rule = "<hr />";
-  if ((_xml_type != "html")
-  || (obj.metainfo.heading_lev_markup == 0 || obj.metainfo.heading_lev_markup > 4)) {
-    _horizontal_rule = "";
-  }
-  _txt = font_face(_txt);
-  string o;
-  heading_lev_anchor_tag = (obj.tags.heading_lev_anchor_tag.empty)
-    ? ""
-    : "<a name=\"" ~ obj.tags.heading_lev_anchor_tag ~ "\"></a>";
-  if (_txt.empty) {
-    o = format(q"┃%s
-  ┃",
-    _horizontal_rule,
-    );
-  } else if (!(obj.metainfo.identifier.empty)) {
-    o = format(q"┃%s
-  <div class="substance">
-    <label class="ocn"><a href="#%s" class="lnkocn">%s</a></label>
-    <h%s class="%s" id="%s"><a name="%s"></a>%s%s
-      %s
-    </h%s>
-  </div>┃",
-      _horizontal_rule,
-      obj.metainfo.identifier,
-      (doc_matters.opt.action.ocn_off) ? "" : ((obj.metainfo.object_number.empty) ? "" : obj.metainfo.identifier),
-      obj.metainfo.heading_lev_markup,
-      obj.metainfo.is_a,
-      obj.metainfo.identifier,
-      obj.metainfo.identifier,
-      tags,
-      heading_lev_anchor_tag,
-      _txt,
-      obj.metainfo.heading_lev_markup,
-    );
-  } else {
-    o = format(q"┃%s
-  <div class="substance">
-    <h%s class="%s">%s%s
-      %s
-    </h%s>
-  </div>┃",
-      _horizontal_rule,
-      obj.metainfo.heading_lev_markup,
-      obj.metainfo.is_a,
-      tags,
-      heading_lev_anchor_tag,
-      _txt,
-      obj.metainfo.heading_lev_markup,
-    );
-  }
-  return o;
-}
-#+END_SRC
-
-**** scroll
-
-#+name: xhtml_format_objects
-#+BEGIN_SRC d
-string heading_scroll(O,M)(
-  string          _txt,
-  const        O  obj,
-               M  doc_matters,
-  string          _suffix = ".html",
-) {
-  _txt = inline_markup_scroll(_txt, obj, doc_matters, _suffix);
-  string o = heading(_txt, obj, doc_matters);
-  return o;
-}
-#+END_SRC
-
-**** seg
-
-#+name: xhtml_format_objects
-#+BEGIN_SRC d
-auto heading_seg(O,M)(
-  string          _txt,
-  const        O  obj,
-               M  doc_matters,
-  string          _suffix = ".html",
-  string          _xml_type = "html",
-) {
-  auto t = inline_markup_seg(_txt, obj, doc_matters, _suffix, _xml_type);
-  _txt = t[0];
-  string[] _endnotes = t[1];
-  string o = heading(_txt, obj, doc_matters, _xml_type);
-  auto u = tuple(
-    o,
-    _endnotes,
-  );
-  return u;
-}
-#+END_SRC
-
-*** para
-**** para
-
-#+name: xhtml_format_objects
-#+BEGIN_SRC d
-string para(O,M)(
-        string _txt,
-  const O      obj,
-        M      doc_matters,
-) {
-  assert(obj.metainfo.is_of_part    == "body" || "frontmatter" || "backmatter");
-  assert(obj.metainfo.is_of_section == "body" || "toc" || "endnotes" || "glossary" || "bibliography" || "bookindex" || "blurb");
-  assert(obj.metainfo.is_of_type    == "para");
-  assert(obj.metainfo.is_a          == "para" || "toc" || "endnotes" || "glossary" || "bibliography" || "bookindex" || "blurb");
-  string tags = _xhtml_anchor_tags(obj);
-  _txt = font_face(_txt);
-  string o;
-  _txt = (obj.attrib.bullet) ? ("●&#160;&#160;" ~ _txt) : _txt;
-  _txt = _txt.replaceFirst(rgx.inline_link_anchor,
-     "<a name=\"$1\"></a>");
-  if (!(obj.metainfo.identifier.empty)) {
-    o = format(q"┃  <div class="substance">
-  <label class="ocn"><a href="#%s" class="lnkocn">%s</a></label>
-  <p class="%s" indent="h%si%s" id="%s">%s
-    %s
-  </p>
-</div>┃",
-      obj.metainfo.identifier,
-      (doc_matters.opt.action.ocn_off) ? "" : ((obj.metainfo.object_number.empty) ? "" : obj.metainfo.identifier),
-      obj.metainfo.is_a,
-      obj.attrib.indent_hang,
-      obj.attrib.indent_base,
-      obj.metainfo.identifier,
-      tags,
-      _txt
-    );
-  } else {
-    o = format(q"┃  <div class="substance">
-  <p class="%s" indent="h%si%s">%s
-    %s
-  </p>
-</div>┃",
-      obj.metainfo.is_a,
-      obj.attrib.indent_hang,
-      obj.attrib.indent_base,
-      tags,
-      _txt
-    );
-  }
-  return o;
-}
-#+END_SRC
-
-**** scroll
-
-#+name: xhtml_format_objects
-#+BEGIN_SRC d
-string para_scroll(O,M)(
-  string          _txt,
-  const        O  obj,
-               M  doc_matters,
-  string          _suffix = ".html",
-) {
-  if (obj.metainfo.is_a == "toc" && _txt.match(rgx.inline_link_toc_to_backmatter)) {
-    _txt = _txt.replaceAll(rgx.inline_link_toc_to_backmatter, "┤#section_$1├");
-  }
-  _txt = inline_markup_scroll(_txt, obj, doc_matters, _suffix);
-  string o = para(_txt, obj, doc_matters);
-  return o;
-}
-#+END_SRC
-
-**** seg
-
-#+name: xhtml_format_objects
-#+BEGIN_SRC d
-auto para_seg(O,M)(
-  string          _txt,
-  const        O  obj,
-               M  doc_matters,
-  string          _suffix = ".html",
-  string          _xml_type = "html",
-) {
-  auto t = inline_markup_seg(_txt, obj, doc_matters, _suffix, _xml_type);
-  _txt = t[0].to!string;
-  string[] _endnotes = t[1];
-  string o = para(_txt, obj, doc_matters);
-  auto u = tuple(
-    o,
-    _endnotes,
-  );
-  return u;
-}
-#+END_SRC
-
-*** quote
-**** quote
-
-#+name: xhtml_format_objects
-#+BEGIN_SRC d
-string quote(O,M)(
-        string _txt,
-  const O      obj,
-        M      doc_matters,
-) {
-  assert(obj.metainfo.is_of_part    == "body");
-  assert(obj.metainfo.is_of_section == "body" || "glossary" || "bibliography" || "bookindex" || "blurb");
-  assert(obj.metainfo.is_of_type    == "block");
-  assert(obj.metainfo.is_a          == "quote");
-  _txt = font_face(_txt);
-  string o;
-  if (!(obj.metainfo.identifier.empty)) {
-    o = format(q"┃  <div class="substance">
-  <label class="ocn"><a href="#%s" class="lnkocn">%s</a></label>
-  <p class="%s" id="%s">
-    %s
-  </p>
-</div>┃",
-      obj.metainfo.identifier,
-      (doc_matters.opt.action.ocn_off) ? "" : ((obj.metainfo.object_number.empty) ? "" : obj.metainfo.identifier),
-      obj.metainfo.is_a,
-      obj.metainfo.identifier,
-      _txt
-    );
-  } else {
-    o = format(q"┃  <div class="substance">
-  <p class="%s">
-    %s
-  </p>
-</div>┃",
-      obj.metainfo.is_a,
-      _txt
-    );
-  }
-  return o;
-}
-#+END_SRC
-
-**** scroll
-
-#+name: xhtml_format_objects
-#+BEGIN_SRC d
-string quote_scroll(O,M)(
-  string          _txt,
-  const        O  obj,
-               M  doc_matters,
-  string          _suffix = ".html",
-) {
-  _txt = inline_markup_scroll(_txt, obj, doc_matters, _suffix);
-  string o = quote(_txt, obj, doc_matters);
-  return o;
-}
-#+END_SRC
-
-**** seg
-
-#+name: xhtml_format_objects
-#+BEGIN_SRC d
-auto quote_seg(O,M)(
-  string          _txt,
-  const        O  obj,
-               M  doc_matters,
-  string          _suffix = ".html",
-  string          _xml_type = "html",
-) {
-  auto t = inline_markup_seg(_txt, obj, doc_matters, _suffix, _xml_type);
-  _txt = t[0].to!string;
-  string[] _endnotes = t[1];
-  string o = quote(_txt, obj, doc_matters);
-  auto u = tuple(
-    o,
-    _endnotes,
-  );
-  return u;
-}
-#+END_SRC
-
-*** group
-**** group
-
-#+name: xhtml_format_objects
-#+BEGIN_SRC d
-string group(O,M)(
-        string _txt,
-  const O      obj,
-        M      doc_matters,
-) {
-  assert(obj.metainfo.is_of_part    == "body");
-  assert(obj.metainfo.is_of_section == "body" || "glossary" || "bibliography" || "bookindex" || "blurb");
-  assert(obj.metainfo.is_of_type    == "block");
-  assert(obj.metainfo.is_a          == "group");
-  _txt = font_face(_txt);
-  string o;
-  if (!(obj.metainfo.identifier.empty)) {
-    o = format(q"┃  <div class="substance">
-  <label class="ocn"><a href="#%s" class="lnkocn">%s</a></label>
-  <p class="%s" id="%s">
-    %s
-  </p>
-</div>┃",
-      obj.metainfo.identifier,
-      (doc_matters.opt.action.ocn_off) ? "" : ((obj.metainfo.object_number.empty) ? "" : obj.metainfo.identifier),
-      obj.metainfo.is_a,
-      obj.metainfo.identifier,
-      _txt
-    );
-  } else {
-    o = format(q"┃  <div class="substance">
-  <p class="%s">
-    %s
-  </p>
-</div>┃",
-      obj.metainfo.is_a,
-      _txt
-    );
-  }
-  return o;
-}
-#+END_SRC
-
-**** scroll
-
-#+name: xhtml_format_objects
-#+BEGIN_SRC d
-string group_scroll(O,M)(
-  string          _txt,
-  const        O  obj,
-               M  doc_matters,
-  string          _suffix = ".html",
-  string          _xml_type = "html",
-) {
-  _txt = inline_markup_scroll(_txt, obj, doc_matters, _suffix);
-  string o = group(_txt, obj, doc_matters);
-  return o;
-}
-#+END_SRC
-
-**** seg
-
-#+name: xhtml_format_objects
-#+BEGIN_SRC d
-auto group_seg(O,M)(
-  string          _txt,
-  const        O  obj,
-               M  doc_matters,
-  string          _suffix = ".html",
-  string          _xml_type = "html",
-) {
-  auto t = inline_markup_seg(_txt, obj, doc_matters, _suffix, _xml_type);
-  _txt = t[0].to!string;
-  string[] _endnotes = t[1];
-  string o = group(_txt, obj, doc_matters);
-  auto u = tuple(
-    o,
-    _endnotes,
-  );
-  return u;
-}
-#+END_SRC
-
-*** block
-**** block
-
-#+name: xhtml_format_objects
-#+BEGIN_SRC d
-string block(O,M)(
-        string _txt,
-  const O      obj,
-        M      doc_matters,
-) {
-  assert(obj.metainfo.is_of_part    == "body");
-  assert(obj.metainfo.is_of_section == "body" || "glossary" || "bibliography" || "bookindex" || "blurb");
-  assert(obj.metainfo.is_of_type    == "block");
-  assert(obj.metainfo.is_a          == "block");
-  _txt = font_face(_txt);
-  string o;
-  if (!(obj.metainfo.identifier.empty)) {
-    o = format(q"┃  <div class="substance">
-  <label class="ocn"><a href="#%s" class="lnkocn">%s</a></label>
-  <p class="%s" id="%s">%s</p>
-</div>┃",
-      obj.metainfo.identifier,
-      (doc_matters.opt.action.ocn_off) ? "" : ((obj.metainfo.object_number.empty) ? "" : obj.metainfo.identifier),
-      obj.metainfo.is_a,
-      obj.metainfo.identifier,
-      _txt.stripRight
-    );
-  } else {
-    o = format(q"┃  <div class="substance">
-  <p class="%s">%s</p>
-</div>┃",
-      obj.metainfo.is_a,
-      _txt.stripRight
-    );
-  }
-  return o;
-}
-#+END_SRC
-
-**** scroll
-
-#+name: xhtml_format_objects
-#+BEGIN_SRC d
-string block_scroll(O,M)(
-  string          _txt,
-  const        O  obj,
-               M  doc_matters,
-  string          _suffix = ".html",
-  string          _xml_type = "html",
-) {
-  _txt = inline_markup_scroll(_txt, obj, doc_matters, _suffix);
-  string o = block(_txt, obj, doc_matters);
-  return o;
-}
-#+END_SRC
-
-**** seg
-
-#+name: xhtml_format_objects
-#+BEGIN_SRC d
-auto block_seg(O,M)(
-  string          _txt,
-  const        O  obj,
-               M  doc_matters,
-  string          _suffix = ".html",
-  string          _xml_type = "html",
-) {
-  auto t = inline_markup_seg(_txt, obj, doc_matters, _suffix, _xml_type);
-  _txt = t[0].to!string;
-  string[] _endnotes = t[1];
-  string o = block(_txt, obj, doc_matters);
-  auto u = tuple(
-    o,
-    _endnotes,
-  );
-  return u;
-}
-#+END_SRC
-
-*** poem verse
-**** verse
-
-#+name: xhtml_format_objects
-#+BEGIN_SRC d
-string verse(O,M)(
-        string _txt,
-  const O      obj,
-        M      doc_matters,
-) {
-  assert(obj.metainfo.is_of_part    == "body");
-  assert(obj.metainfo.is_of_section == "body" || "glossary" || "bibliography" || "bookindex" || "blurb");
-  assert(obj.metainfo.is_of_type    == "block");
-  assert(obj.metainfo.is_a          == "verse");
-  _txt = font_face(_txt);
-  string o;
-  if (!(obj.metainfo.identifier.empty)) {
-    o = format(q"┃  <div class="substance">
-      <label class="ocn"><a href="#%s" class="lnkocn">%s</a></label>
-      <p class="%s" id="%s">%s</p>
-    </div>┃",
-      obj.metainfo.identifier,
-      (doc_matters.opt.action.ocn_off) ? "" : ((obj.metainfo.object_number.empty) ? "" : obj.metainfo.identifier),
-      obj.metainfo.is_a,
-      obj.metainfo.identifier,
-      _txt
-    );
-  } else {
-    o = format(q"┃  <div class="substance">
-      <p class="%s">%s</p>
-    </div>┃",
-      obj.metainfo.is_a,
-      _txt
-    );
-  }
-  return o;
-}
-#+END_SRC
-
-**** scroll
-
-#+name: xhtml_format_objects
-#+BEGIN_SRC d
-string verse_scroll(O,M)(
-  string          _txt,
-  const        O  obj,
-               M  doc_matters,
-  string          _suffix = ".html",
-  string          _xml_type = "html",
-) {
-  _txt = inline_markup_scroll(_txt, obj, doc_matters, _suffix);
-  string o = verse(_txt, obj, doc_matters);
-  return o;
-}
-#+END_SRC
-
-**** seg
-
-#+name: xhtml_format_objects
-#+BEGIN_SRC d
-auto verse_seg(O,M)(
-  string          _txt,
-  const        O  obj,
-               M  doc_matters,
-  string          _suffix = ".html",
-  string          _xml_type = "html",
-) {
-  auto t = inline_markup_seg(_txt, obj, doc_matters, _suffix, _xml_type);
-  _txt = t[0].to!string;
-  string[] _endnotes = t[1];
-  string o = verse(_txt, obj, doc_matters);
-  auto u = tuple(
-    o,
-    _endnotes,
-  );
-  return u;
-}
-#+END_SRC
-
-*** code
-
-#+name: xhtml_format_objects_code
-#+BEGIN_SRC d
-string code(O,M)(
-        string _txt,
-  const O      obj,
-        M      doc_matters,
-) {
-  assert(obj.metainfo.is_of_part    == "body");
-  assert(obj.metainfo.is_of_section == "body");
-  assert(obj.metainfo.is_of_type    == "block");
-  assert(obj.metainfo.is_a          == "code");
-  string o;
-  string codelines(string _txt) {
-    string _codelines;
-    if (obj.code_block.linenumbers) {
-      string[] _block_lines = (_txt).split(rgx.br_newlines_linebreaks);
-      _codelines = "  <pre class=\"codeline\">\n";
-      foreach (k, _line; _block_lines) {
-        if (k == 1) {
-          _codelines ~= format(q"┃    <span class="tr first-row"><span class="th"></span><codeline>%s</codeline></span>
-┃",
-            _line,
-          );
-        } else {
-          _codelines ~= format(q"┃    <span class="tr"><span class="th"></span><codeline>%s</codeline></span>
-┃",
-            _line,
-          );
-        }
-      }
-      _codelines ~= "  </pre>";
-    } else {
-      _codelines = "  <pre class=\"codeline\">\n";
-      _codelines ~= _txt;
-      _codelines ~= "  </pre>";
-    }
-    return _codelines;
-  }
-  if (!(obj.metainfo.identifier.empty)) {
-    o = format(q"┃  <div class="substance">
-  <label class="ocn"><a href="#%s" class="lnkocn">%s</a></label>
-  <p class="%s" id="%s">%s</p>
-</div>┃",
-      obj.metainfo.identifier,
-      (doc_matters.opt.action.ocn_off) ? "" : ((obj.metainfo.object_number.empty) ? "" : obj.metainfo.identifier),
-      obj.metainfo.is_a,
-      obj.metainfo.identifier,
-      codelines(_txt)
-    );
-  } else {
-    o = format(q"┃  <div class="substance">
-  <p class="%s">%s</p>
-</div>┃",
-      obj.metainfo.is_a,
-      codelines(_txt)
-    );
-  }
-  return o;
-}
-#+END_SRC
-
-*** table
-**** TODO tablarize
-
-align="left|right|center"
-<td align="right">$100</td>
-
-"style=\"text-align:right\""
-"style=\"text-align:left\""
-
-"style=\"text-align:"  ~ "right\""
-
-#+name: xhtml_format_objects
-#+BEGIN_SRC d
-auto tablarize(O)(
-  string            _txt,
-  const        O    obj,
-) {
-  string[] _table_rows = (_txt).split(rgx.table_delimiter_row);
-  string[] _table_cols;
-  string _table;
-  string _tablenote;
-  foreach(row_idx, row; _table_rows) {
-    _table_cols = row.split(rgx.table_delimiter_col);
-      _table ~= "<tr>";
-      foreach(col_idx, cell; _table_cols) {
-        if ((_table_cols.length == 1)
-        && (_table_rows.length <= row_idx+2)) {
-          _tablenote ~= cell;
-        } else {
-          string _col_is = (row_idx == 0 && obj.table.heading) ? "th" : "td";
-          string _align = ("style=\"text-align:"
-          ~ ((obj.table.column_aligns[col_idx] == "l")
-          ? "left\"" : "right\""));
-          _table ~= "<" ~ _col_is ~ " width=\"" ~ obj.table.column_widths[col_idx].to!string ~ "%\" " ~ _align ~ ">";
-          _table ~= cell;
-          _table ~= "</" ~ _col_is ~ ">";
-        }
-      }
-      _table ~= "</tr>";
-    }
-  auto t = tuple(
-    _table,
-    _tablenote,
-  );
-  return t;
-}
-#+END_SRC
-
-**** table
-
-#+name: xhtml_format_objects
-#+BEGIN_SRC d
-string table(O,M)(
-        string _txt,
-  const O      obj,
-        M      doc_matters,
-) {
-  assert(obj.metainfo.is_of_part    == "body");
-  assert(obj.metainfo.is_of_section == "body");
-  assert(obj.metainfo.is_of_type    == "block");
-  assert(obj.metainfo.is_a          == "table");
-  string tags = _xhtml_anchor_tags(obj);
-  _txt = font_face(_txt);
-  auto t = tablarize(_txt, obj);
-  _txt = t[0];
-  string _note = t[1];
-  string o;
-  o = format(q"┃  <div class="substance">
-  <label class="ocn"><a href="#%s" class="lnkocn">%s</a></label>
-  <p class="%s" id="%s">%s
-    <table summary="normal text css" width="95%%" border="0" bgcolor="white" cellpadding="2" align="center">
-      %s
-    </table>
-    %s
-  </p>
-</div>┃",
-    obj.metainfo.object_number,
-    (doc_matters.opt.action.ocn_off) ? "" : ((obj.metainfo.object_number.empty) ? "" : obj.metainfo.identifier),
-    obj.metainfo.is_a,
-    obj.metainfo.object_number,
-    tags,
-    _txt,
-    _note
-  );
-  return o;
-}
-#+END_SRC
-
-* _html_ [#A]                                                            :html:
-** _module template_                                                  :module:
-
-#+BEGIN_SRC d :tangle "../src/doc_reform/output/html.d"
-module doc_reform.output.html;
-template outputHTML() {
-  <<output_imports>>
-  mixin outputXHTMLs;
-  <<output_html_scroll>>
-  <<output_html_seg>>
-  <<output_html_css>>
-  <<copy_html_images>>
-}
-#+END_SRC
-
-** scroll                                                           :scroll:
-*** ↻ loop & switch (sections & objects) format html output
-
-#+name: output_html_scroll
-#+BEGIN_SRC d
-void scroll(D,M)(
-  const        D    doc_abstraction,
-               M    doc_matters,
-) {
-  mixin DocReformOutputRgxInit;
-  auto xhtml_format = outputXHTMLs();
-  auto rgx = Rgx();
-  string[] doc_html;
-  string[] doc;
-  string suffix = ".html";
-  string previous_part = "";
-  string delimit = "";
-#+END_SRC
-
-**** ↻ the loops & outer switch (sections & objects) format output
-
-#+name: output_html_scroll
-#+BEGIN_SRC d
-  foreach (part; doc_matters.has.keys_seq.scroll) {
-    foreach (obj; doc_abstraction[part]) {
-      delimit = xhtml_format.div_delimit(part, previous_part);
-      string _txt = xhtml_format.special_characters(obj);
-      switch (obj.metainfo.is_of_part) {
-#+END_SRC
-
-***** frontmatter
-
-#+name: output_html_scroll
-#+BEGIN_SRC d
-      case "frontmatter":              assert(part == "head" || "toc");
-        switch (obj.metainfo.is_of_type) {
-        case "para":
-          switch (obj.metainfo.is_a) {
-          case "heading":
-            doc_html ~= delimit ~ xhtml_format.heading_scroll(_txt, obj, doc_matters, suffix);
-            break;
-          case "toc":
-            doc_html ~= xhtml_format.para_scroll(_txt, obj, doc_matters, suffix);
-            break;
-          default:
-            { /+ debug +/
-              if (doc_matters.opt.action.debug_do
-              && doc_matters.opt.action.verbose) {
-                writeln(__FILE__, ":", __LINE__, ": ", obj.metainfo.is_a);
-              }
-            }
-            break;
-          }
-          break;
-        default:
-          { /+ debug +/
-            if (doc_matters.opt.action.debug_do
-            && doc_matters.opt.action.verbose) {
-              writeln(__FILE__, ":", __LINE__, ": ", obj.metainfo.is_of_type);
-            }
-          }
-          break;
-        }
-        break;
-#+END_SRC
-
-***** body
-
-#+name: output_html_scroll
-#+BEGIN_SRC d
-      case "body":                     assert(part == "body" || "head");
-        switch (obj.metainfo.is_of_type) {
-        case "para":
-          switch (obj.metainfo.is_a) {
-          case "heading":
-            doc_html ~= delimit ~ xhtml_format.heading_scroll(_txt, obj, doc_matters, suffix);
-            break;
-          case "para":
-            doc_html ~= xhtml_format.para_scroll(_txt, obj, doc_matters, suffix);
-            break;
-          default:
-            { /+ debug +/
-              if (doc_matters.opt.action.debug_do
-              && doc_matters.opt.action.verbose) {
-                writeln(__FILE__, ":", __LINE__, ": ", obj.metainfo.is_a);
-              }
-            }
-            break;
-          }
-          break;
-        case "block":
-          switch (obj.metainfo.is_a) {
-          case "quote":
-            doc_html ~= xhtml_format.quote_scroll(_txt, obj, doc_matters);
-            break;
-          case "group":
-            doc_html ~= xhtml_format.group_scroll(_txt, obj, doc_matters);
-            break;
-          case "block":
-            doc_html ~= xhtml_format.block_scroll(_txt, obj, doc_matters);
-            break;
-          case "poem":
-            break;
-          case "verse":
-            doc_html ~= xhtml_format.verse_scroll(_txt, obj, doc_matters, suffix);
-            break;
-          case "code":
-            doc_html ~= xhtml_format.code(_txt, obj, doc_matters);
-            break;
-          case "table":
-            doc_html ~= xhtml_format.table(_txt, obj, doc_matters);
-            break;
-          default:
-            { /+ debug +/
-              if (doc_matters.opt.action.debug_do
-              && doc_matters.opt.action.verbose) {
-                writeln(__FILE__, ":", __LINE__, ": ", obj.metainfo.is_a);
-              }
-            }
-            break;
-          }
-          break;
-        default:
-          { /+ debug +/
-            if (doc_matters.opt.action.debug_do
-            && doc_matters.opt.action.verbose) {
-              writeln(__FILE__, ":", __LINE__, ": ", obj.metainfo.is_of_type);
-            }
-          }
-          break;
-        }
-        break;
-#+END_SRC
-
-***** backmatter
-
-#+name: output_html_scroll
-#+BEGIN_SRC d
-      case "backmatter":
-        assert(part == "endnotes" || "glossary" || "bibliography" || "bookindex" || "blurb" || "tail");
-        switch (obj.metainfo.is_of_type) {
-        case "para":
-          switch (obj.metainfo.is_a) {
-          case "heading":
-            doc_html ~= delimit ~ xhtml_format.heading_scroll(_txt, obj, doc_matters, suffix);
-            break;
-          case "endnote":              assert(part == "endnotes");
-            doc_html ~= xhtml_format.para_scroll(_txt, obj, doc_matters, suffix);
-            break;
-          case "glossary":             assert(part == "glossary");
-            doc_html ~= xhtml_format.para_scroll(_txt, obj, doc_matters, suffix);
-            break;
-          case "bibliography":         assert(part == "bibliography");
-            doc_html ~= xhtml_format.para_scroll(_txt, obj, doc_matters, suffix);
-            break;
-          case "bookindex":            assert(part == "bookindex");
-            doc_html ~= xhtml_format.para_scroll(_txt, obj, doc_matters, suffix);
-            break;
-          case "blurb":                assert(part == "blurb");
-            doc_html ~= xhtml_format.para_scroll(_txt, obj, doc_matters, suffix);
-            break;
-          default:
-            { /+ debug +/
-              if (doc_matters.opt.action.debug_do
-              && doc_matters.opt.action.verbose) {
-                writeln(__FILE__, ":", __LINE__, ": ", obj.metainfo.is_a);
-              }
-            }
-            break;
-          }
-          break;
-        default:
-          { /+ debug +/
-            if (doc_matters.opt.action.debug_do
-            && doc_matters.opt.action.verbose) {
-              writeln(__FILE__, ":", __LINE__, ": ", obj.metainfo.is_of_type);
-            }
-          }
-          break;
-        }
-        break;
-      case "comment":
-        break;
-      default:
-        { /+ debug +/
-          if (doc_matters.opt.action.debug_do
-          && doc_matters.opt.action.verbose) {
-            writeln(__FILE__, ":", __LINE__, ": ", obj.metainfo.is_of_part);
-            writeln(__FILE__, ":", __LINE__, ": ", obj.metainfo.is_a);
-            writeln(__FILE__, ":", __LINE__, ": ", obj.text);
-          }
-        }
-        break;
-#+END_SRC
-
-***** closings & post loop
-
-#+name: output_html_scroll
-#+BEGIN_SRC d
-      }
-    }
-  }
-  doc = xhtml_format.html_head(doc_matters, "scroll") ~ doc_html ~ xhtml_format.tail;
-  scroll_write_output(doc, doc_matters);
-}
-#+END_SRC
-
-*** write output file
-
-#+name: output_html_scroll
-#+BEGIN_SRC d
-void scroll_write_output(D,M)(
-  D doc,
-  M doc_matters,
-) {
-  debug(asserts) {
-    static assert(is(typeof(doc)    == string[]));
-  }
-  auto pth_html = DocReformPathsHTML!()(doc_matters.output_path, doc_matters.src.language);
-  try {
-    if (!exists(pth_html.base)) {
-      pth_html.base.mkdirRecurse;
-    }
-    auto f = File(pth_html.fn_scroll(doc_matters.src.filename), "w");
-    foreach (o; doc) {
-      f.writeln(o);
-    }
-  } catch (ErrnoException ex) {
-    // Handle error
-  }
-  if (!(doc_matters.opt.action.quiet)) {
-    writeln(" ", pth_html.fn_scroll(doc_matters.src.filename));
-  }
-}
-#+END_SRC
-
-** seg                                                                 :seg:
-*** ↻ loop & switch (sections & objects) format html output
-
-#+name: output_html_seg
-#+BEGIN_SRC d
-void seg(D,M)(
-  const D    doc_abstraction,
-        M    doc_matters,
-) {
-  mixin DocReformOutputRgxInit;
-  auto rgx = Rgx();
-  auto xhtml_format = outputXHTMLs();
-  string[][string] doc_html;
-  string[][string] doc_html_endnotes;
-  string[] doc;
-  string segment_filename;
-  string[] top_level_headings = ["","","",""];
-  string previous_seg_filename = "";
-  string suffix = ".html";
-  string previous_part = "";
-  string delimit = "";
-#+END_SRC
-
-**** ↻ the loop (sections & objects) format output
-
-#+name: output_html_seg
-#+BEGIN_SRC d
-  foreach (part; doc_matters.has.keys_seq.seg) {
-    foreach (obj; doc_abstraction[part]) {
-      delimit = xhtml_format.div_delimit(part, previous_part);
-      string _txt = xhtml_format.special_characters(obj);
-#+END_SRC
-
-***** all headings
-
-#+name: output_html_seg
-#+BEGIN_SRC d
-      if (obj.metainfo.is_a == "heading") {
-        assert(part == "head" || "toc" || "body" || "endnotes" || "glossary" || "bibliography" || "bookindex" || "blurb" || "tail");
-        switch (obj.metainfo.heading_lev_markup) {
-        case 0: .. case 3:
-          /+ fill buffer, and replace with new levels from 1 to 3 +/
-          switch (obj.metainfo.heading_lev_markup) {
-          case 0:
-            top_level_headings[0] = "";
-            top_level_headings[1] = "";
-            top_level_headings[2] = "";
-            top_level_headings[3] = "";
-            goto default;
-          case 1:
-            top_level_headings[1] = "";
-            top_level_headings[2] = "";
-            top_level_headings[3] = "";
-            goto default;
-          case 2:
-            top_level_headings[2] = "";
-            top_level_headings[3] = "";
-            goto default;
-          case 3:
-            top_level_headings[3] = "";
-            goto default;
-          default:
-            auto t = xhtml_format.heading_seg(_txt, obj, doc_matters, suffix, "seg");
-            top_level_headings[obj.metainfo.heading_lev_markup] = t[0];
-            break;
-          }
-          break;
-        case 4:
-          segment_filename = obj.tags.segment_anchor_tag_epub;
-          doc_html[segment_filename] ~= xhtml_format.html_head(doc_matters, "seg");
-          auto navigation_bar = xhtml_format.nav_pre_next_svg(obj, doc_matters);
-          doc_html[segment_filename] ~= navigation_bar.toc_pre_next;
-          previous_seg_filename = segment_filename;
-          foreach (top_level_heading; top_level_headings) {
-            doc_html[segment_filename] ~= top_level_heading;
-          }
-          auto t = xhtml_format.heading_seg(_txt, obj, doc_matters, suffix, "seg");
-          doc_html[segment_filename] ~= t[0].to!string;
-          doc_html[segment_filename] ~= xhtml_format.lev4_heading_subtoc(obj, doc_matters);
-          doc_html_endnotes[segment_filename] ~= t[1];
-          break;
-        case 5: .. case 7:
-          auto t = xhtml_format.heading_seg(_txt, obj, doc_matters, suffix, "seg");
-          doc_html[segment_filename] ~= t[0].to!string;
-          doc_html_endnotes[segment_filename] ~= t[1];
-          break;
-        case 8: .. case 9:
-          { /+ debug +/
-            if (doc_matters.opt.action.debug_do
-            && doc_matters.opt.action.verbose) {
-              writeln(__FILE__, ":", __LINE__, ": ", obj.metainfo.is_a, ": ", obj.metainfo.heading_lev_markup);
-              writeln(__FILE__, ":", __LINE__, ": ", obj.text);
-            }
-          }
-          break;
-        default:
-          { /+ debug +/
-            if (doc_matters.opt.action.debug_do
-            && doc_matters.opt.action.verbose) {
-              writeln(__FILE__, ":", __LINE__, ": ", obj.metainfo.is_a, ": ", obj.metainfo.heading_lev_markup);
-            }
-          }
-          break;
-        }
-#+END_SRC
-
-***** non-heading
-
-#+name: output_html_seg
-#+BEGIN_SRC d
-      } else {
-        assert(part == "head" || "toc" || "body" || "endnotes" || "glossary" || "bibliography" || "bookindex" || "blurb" || "tail");
-        switch (obj.metainfo.is_of_part) {
-#+END_SRC
-
-****** frontmatter
-
-#+name: output_html_seg
-#+BEGIN_SRC d
-        case "frontmatter":             assert(part == "head" || "toc");
-          switch (obj.metainfo.is_of_type) {
-          case "para":
-            switch (obj.metainfo.is_a) {
-            case "toc":
-              auto t = xhtml_format.para_seg(_txt, obj, doc_matters, suffix, "seg");
-              doc_html[segment_filename] ~= t[0].to!string;
-              break;
-            default:
-              { /+ debug +/
-                if (doc_matters.opt.action.debug_do
-                && doc_matters.opt.action.verbose) {
-                  writeln(__FILE__, ":", __LINE__, ": ", obj.metainfo.is_a);
-                }
-              }
-              break;
-            }
-            break;
-          default:
-            { /+ debug +/
-              if (doc_matters.opt.action.debug_do
-              && doc_matters.opt.action.verbose) {
-                writeln(__FILE__, ":", __LINE__, ": ", obj.metainfo.is_a);
-              }
-            }
-            break;
-          }
-          break;
-#+END_SRC
-
-****** body
-
-#+name: output_html_seg
-#+BEGIN_SRC d
-        case "body":                    assert(part == "body");
-          switch (obj.metainfo.is_of_type) {
-          case "para":
-            switch (obj.metainfo.is_a) {
-            case "para":
-              auto t = xhtml_format.para_seg(_txt, obj, doc_matters, suffix, "seg");
-              doc_html[segment_filename] ~= t[0].to!string;
-              doc_html_endnotes[segment_filename] ~= t[1];
-              break;
-            default:
-              { /+ debug +/
-                if (doc_matters.opt.action.debug_do
-                && doc_matters.opt.action.verbose) {
-                  writeln(__FILE__, ":", __LINE__, ": ", obj.metainfo.is_a);
-                }
-              }
-              break;
-            }
-            break;
-          case "block":
-            switch (obj.metainfo.is_a) {
-            case "quote":
-              auto t = xhtml_format.quote_seg(_txt, obj, doc_matters, suffix, "seg");
-              doc_html[segment_filename] ~= t[0].to!string;
-              doc_html_endnotes[segment_filename] ~= t[1];
-              break;
-            case "group":
-              auto t = xhtml_format.group_seg(_txt, obj, doc_matters, suffix, "seg");
-              doc_html[segment_filename] ~= t[0].to!string;
-              doc_html_endnotes[segment_filename] ~= t[1];
-              break;
-            case "block":
-              auto t = xhtml_format.block_seg(_txt, obj, doc_matters, suffix, "seg");
-              doc_html[segment_filename] ~= t[0].to!string;
-              doc_html_endnotes[segment_filename] ~= t[1];
-              break;
-            case "poem":
-              break;
-            case "verse":
-              auto t = xhtml_format.verse_seg(_txt, obj, doc_matters, suffix, "seg");
-              doc_html[segment_filename] ~= t[0].to!string;
-              doc_html_endnotes[segment_filename] ~= t[1];
-              break;
-            case "code":
-              doc_html[segment_filename] ~= xhtml_format.code(_txt, obj, doc_matters);
-              break;
-            case "table":
-              doc_html[segment_filename] ~= xhtml_format.table(_txt, obj, doc_matters);
-              doc_html_endnotes[segment_filename] ~= "";
-              break;
-            default:
-              { /+ debug +/
-                if (doc_matters.opt.action.debug_do
-                && doc_matters.opt.action.verbose) {
-                  writeln(__FILE__, ":", __LINE__, ": ", obj.metainfo.is_a);
-                }
-              }
-              break;
-            }
-            break;
-          default:
-            { /+ debug +/
-              if (doc_matters.opt.action.debug_do
-              && doc_matters.opt.action.verbose) {
-                writeln(__FILE__, ":", __LINE__, ": ", obj.metainfo.is_of_type);
-              }
-            }
-            break;
-          }
-          break;
-#+END_SRC
-
-****** backmatter
-
-#+name: output_html_seg
-#+BEGIN_SRC d
-        case "backmatter":
-          assert(part == "endnotes" || "glossary" || "bibliography" || "bookindex" || "blurb" || "tail");
-          switch (obj.metainfo.is_of_type) {
-          case "para":
-            switch (obj.metainfo.is_a) {
-            case "endnote":             assert(part == "endnotes");
-              auto t = xhtml_format.para_seg(_txt, obj, doc_matters, suffix, "seg");
-              doc_html[segment_filename] ~= t[0];
-              break;
-            case "glossary":            assert(part == "glossary");
-              auto t = xhtml_format.para_seg(_txt, obj, doc_matters, suffix, "seg");
-              doc_html[segment_filename] ~= t[0];
-              doc_html_endnotes[segment_filename] ~= t[1];
-              break;
-            case "bibliography":        assert(part == "bibliography");
-              auto t = xhtml_format.para_seg(_txt, obj, doc_matters, suffix, "seg");
-              doc_html[segment_filename] ~= t[0];
-              doc_html_endnotes[segment_filename] ~= t[1];
-              break;
-            case "bookindex":           assert(part == "bookindex");
-              auto t = xhtml_format.para_seg(_txt, obj, doc_matters, suffix, "seg");
-              doc_html[segment_filename] ~= t[0];
-              doc_html_endnotes[segment_filename] ~= t[1];
-              break;
-            case "blurb":               assert(part == "blurb");
-              auto t = xhtml_format.para_seg(_txt, obj, doc_matters, suffix, "seg");
-              doc_html[segment_filename] ~= t[0];
-              doc_html_endnotes[segment_filename] ~= t[1];
-              break;
-            default:
-              { /+ debug +/
-                if (doc_matters.opt.action.debug_do
-                && doc_matters.opt.action.verbose) {
-                  writeln(__FILE__, ":", __LINE__, ": ", obj.metainfo.is_a);
-                }
-              }
-              break;
-            }
-            break;
-          default:
-            { /+ debug +/
-              if (doc_matters.opt.action.debug_do
-              && doc_matters.opt.action.verbose) {
-                writeln(__FILE__, ":", __LINE__, ": ", obj.metainfo.is_of_type);
-              }
-            }
-            break;
-          }
-          break;
-        case "comment":
-          break;
-        default:
-          { /+ debug +/
-            if (doc_matters.opt.action.debug_do
-            && doc_matters.opt.action.verbose) {
-              writeln(__FILE__, ":", __LINE__, ": ", obj.metainfo.is_of_part);
-            }
-          }
-          break;
-        }
-#+END_SRC
-
-***** closings & post loop
-
-#+name: output_html_seg
-#+BEGIN_SRC d
-      }
-    }
-  }
-  seg_write_output(doc_html, doc_html_endnotes, doc_matters);
-}
-#+END_SRC
-
-*** write output files
-
-#+name: output_html_seg
-#+BEGIN_SRC d
-void seg_write_output(D,E,M)(
-  D doc_html,
-  E doc_html_endnotes,
-  M doc_matters,
-) {
-  debug(asserts) {
-    static assert(is(typeof(doc_html)      == string[][string]));
-  }
-  mixin DocReformOutputRgxInit;
-  auto rgx = Rgx();
-  auto pth_html = DocReformPathsHTML!()(doc_matters.output_path, doc_matters.src.language);
-  auto xhtml_format = outputXHTMLs();
-  auto m = doc_matters.src.filename.matchFirst(rgx.src_fn);
-  try {
-    if (!exists(pth_html.seg(doc_matters.src.filename))) {
-      pth_html.seg(doc_matters.src.filename).mkdirRecurse;
-    }
-    foreach (seg_filename; doc_matters.has.segnames_lv4) {
-      auto f = File(pth_html.fn_seg(doc_matters.src.filename, seg_filename), "w");
-      foreach (docseg; doc_html[seg_filename]) {
-        f.writeln(docseg);
-      }
-      foreach (docseg; doc_html_endnotes[seg_filename]) {
-        f.writeln(docseg);
-      }
-      f.writeln(xhtml_format.tail);
-    }
-  } catch (ErrnoException ex) {
-    // handle error
-  }
-  if (!(doc_matters.opt.action.quiet)) {
-    writeln(" ", pth_html.fn_seg(doc_matters.src.filename, "toc"));
-  }
-}
-#+END_SRC
-
-** css                                                                 :css:
-
-#+name: output_html_css
-#+BEGIN_SRC d
-void css(M)(M doc_matters) {
-  auto css = DocReformCss(doc_matters);
-  auto pth_html = DocReformPathsHTML!()(doc_matters.output_path, doc_matters.src.language);
-  try {
-    if (!exists(pth_html.css)) {
-      (pth_html.css).mkdirRecurse;
-    }
-    auto f = File(pth_html.fn_seg_css, "w");
-    f.writeln(css.html_seg);
-    f = File(pth_html.fn_scroll_css, "w");
-    f.writeln(css.html_scroll);
-  } catch (ErrnoException ex) {
-    // Handle error
-  }
-}
-#+END_SRC
-
-** images                                                           :images:
-
-#+name: copy_html_images
-#+BEGIN_SRC d
-void images_cp(M)(
-  M    doc_matters,
-) {
-  { /+ (copy html images) +/
-
-    auto pth_html = DocReformPathsHTML!()(doc_matters.output_path, doc_matters.src.language);
-    if (!exists(pth_html.image)) {
-      pth_html.image.mkdirRecurse;
-    }
-    foreach (image; doc_matters.srcs.image_list) {
-      auto fn_src_in = doc_matters.src.image_dir_path ~ "/" ~ image;
-      auto fn_src_out = pth_html.image ~ "/" ~ image;
-      debug(images_html) {
-        writeln(fn_src_in, " -> ", fn_src_out);
-      }
-      if (exists(fn_src_in)) {
-        fn_src_in.copy(fn_src_out);
-      } else {
-        if (!(doc_matters.opt.action.quiet)) {
-          writeln("WARNING image not found: ", fn_src_in);
-        }
-      }
-    }
-  }
-}
-#+END_SRC
-
-* _epub_ [#B]                                                            :epub:
-
-|-----------------------+--------------------------+---------------------------+----------------------------------|
-| function              | filename                 | module                    | variable                         |
-|-----------------------+--------------------------+---------------------------+----------------------------------|
-| identify doc filetype | mimetype                 | epub3_mimetypes           | mimetypes                        |
-|-----------------------+--------------------------+---------------------------+----------------------------------|
-| identify doc root     | META-INF/container.xml   | epub3_container_xml       | meta_inf_container_xml           |
-|-----------------------+--------------------------+---------------------------+----------------------------------|
-| doc manifest          | OEBPS/content.opf        | epub3_oebps_content       | oebps_content_opf                |
-|-----------------------+--------------------------+---------------------------+----------------------------------|
-| doc navigation        | OEBPS/toc_nav.xhtml      | epub3_oebps_toc_nav_xhtml | oebps_toc_nav_xhtml              |
-|                       | OEBPS/toc.ncx            | epub2_oebps_toc_ncx       | oebps_toc_ncx                    |
-|-----------------------+--------------------------+---------------------------+----------------------------------|
-| doc contents          | OEBPS/[files ... ].xhtml | outputEPub3               | doc_epub3[seg_filename]          |
-|                       |                          |                           | doc_epub3_endnotes[seg_filename] |
-|-----------------------+--------------------------+---------------------------+----------------------------------|
-
-** _module template_                                                  :module:
-
-#+BEGIN_SRC d :tangle "../src/doc_reform/output/epub3.d"
-module doc_reform.output.epub3;
-template outputEPub3() {
-  <<output_imports>>
-  mixin InternalMarkup;
-  mixin outputXHTMLs;
-  <<output_epub3_fixed>>
-  <<output_epub3_constructs>>
-  <<output_epub3_xhtml>>
-  <<output_epub3_xhtml_seg>>
-  <<output_epub3_css>>
-}
-#+END_SRC
-
-** special (epub) files                                             :format:
-*** static
-**** _identify doc filetype_ (mimetype) [static]
-
-- mimetype file indicating that zip file contains an EPUB
-
-#+name: output_epub3_fixed
-#+BEGIN_SRC d
-string epub3_mimetypes() {
-  string o;
-  o = format(q"┃application/epub+zip┃") ~ "\n";
-  return o;
-}
-#+END_SRC
-
-**** _identify doc root_ (META-INF/container.xml) [static] rootfile: contains document root path
-
-- identifies the root package document (so systems can find it), [unchanged from epub2]
-
-#+name: output_epub3_fixed
-#+BEGIN_SRC d
-string epub3_container_xml() {
-  string o;
-  o = format(q"┃<?xml version='1.0' encoding='utf-8'?>┃") ~ "\n";
-  o ~= format(q"┃<container version="1.0"
-xmlns="urn:oasis:names:tc:opendocument:xmlns:container">
-<rootfiles>
-  <rootfile full-path="OEBPS/content.opf"
-    media-type="application/oebps-package+xml" />
-</rootfiles>┃") ~ "\n</container>\n";
-  return o;
-}
-#+END_SRC
-
-*** constructs (in dir: OEBPS)
-**** TODO _doc manifest_ (OEBPS/content.opf) manifest, register content: files, images etc.
-
-- manifest, listing all resources
-- provides the default reading order
-- identifies the navigation document
-
-#+name: output_epub3_constructs
-#+BEGIN_SRC d
-string epub3_oebps_content(D,M,P)(D doc_abstraction, M doc_matters, P parts) {
-  auto xhtml_format = outputXHTMLs();
-  auto pth_epub3 = DocReformPathsEPUB!()(doc_matters.output_path, doc_matters.src.language);
-  string _uuid = "18275d951861c77f78acd05672c9906924c59f18a2e0ba06dad95959693e9bd8"; // TODO sort uuid in doc_matters!
-  string content = format(q"┃  <?xml version='1.0' encoding='utf-8'?>
-<package xmlns="http://www.idpf.org/2007/opf" version="2.0" unique-identifier="EPB-UUID">
-  <metadata
-    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xmlns:dcterms="http://purl.org/dc/terms/"
-    xmlns:dc="http://purl.org/dc/elements/1.1/"
-    unique-identifier="urn:uuid:%s" version="2.0">
-    <!-- <dc:title id="title">%s</dc:title> -->
-    <dc:title id="title">%s</dc:title>
-    <meta refines="#title" property="title-type">main</meta>
-    <dc:title id="subtitle">%s</dc:title>
-    <meta refines="#subtitle" property="title-type">subtitle</meta>
-    <dc:creator file-as="%s" id="aut">%s</dc:creator>
-    <dc:language>%s</dc:language>
-    <dc:date id="published">%s</dc:date>
-    <dc:rights>Copyright: %s</dc:rights>
-    <dc:identifier scheme="URI">%s</dc:identifier>
-    <dc:identifier id="bookid">urn:uuid:%s</dc:identifier>
-    <!-- <dc:identifier id="EPB-UUID">urn:uuid:%s</dc:identifier> -->
-  </metadata>
-  <manifest>
-    <!-- NCX epub2 navigation -->
-      <item id="ncx" href="toc.ncx" media-type="application/x-dtbncx+xml" />
-    <!-- CSS Style Sheets -->
-      <link rel="stylesheet" href="%s" type="text/css" id="main-css" />
-    <!-- nav epub3 navigation -->
-      <item id="nav" href="toc_nav.xhtml" media-type="application/xhtml+xml" properties="nav" />
-┃",
-    _uuid,
-    xhtml_format.special_characters_text(doc_matters.conf_make_meta.meta.title_full),
-    xhtml_format.special_characters_text(doc_matters.conf_make_meta.meta.title_main),
-    (doc_matters.conf_make_meta.meta.title_sub.empty)
-      ? "" : xhtml_format.special_characters_text(doc_matters.conf_make_meta.meta.title_sub),
-    (doc_matters.conf_make_meta.meta.creator_author.empty)
-      ? "" : xhtml_format.special_characters_text(doc_matters.conf_make_meta.meta.creator_author),
-    (doc_matters.conf_make_meta.meta.creator_author.empty)
-      ? "" : xhtml_format.special_characters_text(doc_matters.conf_make_meta.meta.creator_author),
-    doc_matters.src.language,                                   // language, fix (needed in dochead metadata)
-    (doc_matters.conf_make_meta.meta.date_published.empty)
-      ? "" : xhtml_format.special_characters_text(doc_matters.conf_make_meta.meta.date_published),
-    (doc_matters.conf_make_meta.meta.rights_copyright.empty)
-      ? "" : xhtml_format.special_characters_text(doc_matters.conf_make_meta.meta.rights_copyright),
-    _uuid,
-    _uuid,
-    _uuid,
-    (pth_epub3.fn_oebps_css).chompPrefix("OEBPS/"),
-  );
-  content ~= "    " ~ "<!-- Content Documents -->" ~ "\n  ";
-  content ~= parts["manifest_documents"];
-  // TODO sort jpg & png
-  content ~= "    " ~ "<!-- Images -->" ~ "\n  ";
-  foreach (image; doc_matters.srcs.image_list) {
-    content ~= format(q"┃      <item id="%s" href="%s/%s" media-type="image/%s" />
-┃",
-      image.baseName.stripExtension,
-      (pth_epub3.doc_oebps_image).chompPrefix("OEBPS/"),
-      image,
-      image.extension.chompPrefix("."),
-    );
-  }
-  content ~= "  " ~ "</manifest>"         ~ "\n  ";
-  content ~= "  " ~ "<spine toc=\"ncx\">" ~ "\n  ";
-  content ~= parts["spine"];
-  content ~= "  " ~ "</spine>"            ~ "\n  ";
-  content ~= "  " ~ "<guide>"             ~ "\n  ";
-  content ~= parts["guide"];
-  content ~= "  " ~ "</guide>"            ~ "\n  ";
-  content ~= ""   ~ "</package>";
-  debug(epubmanifest) {
-    foreach (part; doc_matters.has.keys_seq.seg) { // TODO
-      foreach (obj; doc_abstraction[part]) {
-        if (obj.metainfo.is_a == "heading") {
-          if (obj.metainfo.heading_lev_markup == 4) {
-            writefln(
-              "%s~ [%s.xhtml] %s",
-              obj.marked_up_level,
-              obj.tags.segment_anchor_tag_epub,
-              obj.text
-            );
-          } else if (obj.metainfo.heading_lev_markup > 4) {
-            writefln(
-              "%s~ [%s.xhtml#%s] %s",
-              obj.marked_up_level,
-              obj.tags.segment_anchor_tag_epub,
-              obj.metainfo.object_number,
-              obj.text
-            );
-          }
-        }
-      }
-    }
-  }
-  return content;
-}
-#+END_SRC
-
-**** _doc navigation epub3_ (OEBPS/toc_nav.xhtml) epub3 navigable toc using Dom structure
-
-- toc_nav.xhtml declared as nav file in content.opf (epub3 navigation document)
-
-#+name: output_epub3_constructs
-#+BEGIN_SRC d
-string epub3_oebps_toc_nav_xhtml(D,I)(D doc_abstraction, I doc_matters) {
-  enum DomTags { none, open, close, close_and_open, open_still, }
-  auto markup = InlineMarkup();
-  auto rgx = Rgx();
-  string toc =format("<html xmlns=\"http://www.w3.org/1999/xhtml\"
-    xmlns:epub=\"http://www.idpf.org/2007/ops\">
-<head>
-  <title>%s</title>
-</head>
-<body>
-  <section epub:type=\"frontmatter toc\">
-    <header>
-      <h1>Contents</h1>
-    </header>
-    <nav epub:type=\"toc\" id=\"toc\">\n",
-    doc_matters.conf_make_meta.meta.title_full,
-  );
-  foreach (sect; doc_matters.has.keys_seq.seg) {
-    foreach (obj; doc_abstraction[sect]) {
-      if (obj.metainfo.is_a == "heading") {
-        string _txt = obj.text.replaceAll(rgx.inline_notes_al_gen, "").strip;
-        foreach_reverse (n; 0 .. 7) {
-          string k = n.to!string;
-          switch (obj.metainfo.dom_structure_collapsed_tags_status[n]) {
-          case DomTags.close :
-            toc ~= markup.indent_by_spaces_provided((n + 1), "  ") ~ "</li>" ~ "\n";
-            toc ~= markup.indent_by_spaces_provided(n, "  ") ~ "</ol>" ~ "\n";
-            break;
-          case DomTags.close_and_open :
-            toc ~= markup.indent_by_spaces_provided((n + 1), "  ") ~ "</li>" ~ "\n";
-            if  (obj.metainfo.heading_lev_markup < 4) {
-              toc ~= markup.indent_by_spaces_provided((n + 1), "  ") ~ "<li>" ~ "\n"
-              ~ markup.indent_by_spaces_provided((n + 2), "  ")
-              ~ "<a href=\"" ~ obj.tags.segment_anchor_tag_epub ~ ".xhtml" ~ "\">"
-              ~ _txt
-              ~ "</a>" ~ "\n";
-            } else {
-              string hashtag =(obj.metainfo.heading_lev_markup == 4)
-              ? ""
-              : ("#" ~ obj.metainfo.ocn.to!string);
-              toc ~= markup.indent_by_spaces_provided((n + 1), "  ") ~ "<li>" ~ "\n"
-              ~ markup.indent_by_spaces_provided((n + 2), "  ")
-              ~ "<a href=\"" ~ obj.tags.segment_anchor_tag_epub ~ ".xhtml" ~ hashtag ~ "\">"
-              ~ _txt
-              ~ "</a>" ~ "\n";
-            }
-            break;
-          case DomTags.open :
-            toc ~= markup.indent_by_spaces_provided(n, "  ") ~ "<ol>" ~ "\n";
-            if  (obj.metainfo.heading_lev_markup < 4) {
-              toc ~= markup.indent_by_spaces_provided((n + 1), "  ") ~ "<li>" ~ "\n"
-              ~ markup.indent_by_spaces_provided((n + 2), "  ")
-              ~ "<a href=\"" ~ obj.tags.segment_anchor_tag_epub ~ ".xhtml" ~ "\">"
-              ~ _txt
-              ~ "</a>" ~ "\n";
-            } else {
-              string hashtag =(obj.metainfo.heading_lev_markup == 4)
-              ? ""
-              : ("#" ~ obj.metainfo.ocn.to!string);
-              toc ~= markup.indent_by_spaces_provided((n + 1), "  ") ~ "<li>" ~ "\n"
-              ~ markup.indent_by_spaces_provided((n + 2), "  ")
-              ~ "<a href=\"" ~ obj.tags.segment_anchor_tag_epub ~ ".xhtml" ~ hashtag ~ "\">"
-              ~ _txt
-              ~ "</a>" ~ "\n";
-            }
-            break;
-          default :
-            break;
-          }
-        }
-      }
-    }
-  }
-  toc ~="</nav>
-    </section>
-  </body>
-</html>\n";
-  return toc;
-}
-#+END_SRC
-
-**** TODO _doc navigation epub2_ (OEBPS/toc.ncx) navigable toc using Dom structure
-
-- toc.ncx (epub2 navigation document)
-  - (replaced in epub3 by a declared xhtml nav file, in our case toc_nav.xhtml)
-
-#+name: output_epub3_constructs
-#+BEGIN_SRC d
-string epub2_oebps_toc_ncx(D,I)(D doc_abstraction, I doc_matters) {
-  int counter = 0;
-  string _uuid = "18275d951861c77f78acd05672c9906924c59f18a2e0ba06dad95959693e9bd8"; // TODO shared elsewhere
-  auto markup = InlineMarkup();
-  auto rgx = Rgx();
-  enum DomTags { none, open, close, close_and_open, open_still, }
-  string toc = format(q"┃<?xml version='1.0' encoding='utf-8'?>
-<ncx xmlns="http://www.daisy.org/z3986/2005/ncx/" version="2005-1">
-<head>
-  <!-- four required metadata items (for all NCX documents,
-    (including the relaxed constraints of OPS 2.0) -->
-  <title>%s%s</title>
-  <link rel="stylesheet" href="css/epub.css" type="text/css" id="main-css" />
-  <meta name="dtb:uid" content="urn:uuid:%s" />
-  <!-- <meta name="epub-creator" content="DocReform http://www.jus.uio.no/sisu (this copy)" /> -->
-  <meta name="dtb:depth" content="%s" />
-  <meta name="dtb:totalPageCount" content="0" />
-  <meta name="dtb:maxPageNumber" content="0" />
-</head>
-<docTitle>
-  <text>%s</text>
-</docTitle>
-<docAuthor>
-  <text>%s</text>
-</docAuthor>
-<navMap>┃",
-    doc_matters.conf_make_meta.meta.title_full,                          // title
-    (doc_matters.conf_make_meta.meta.creator_author.empty) ? ""
-      : " by " ~ doc_matters.conf_make_meta.meta.creator_author,         // author
-    _uuid,                                                                // uuid
-    "3",                                                                 // content depth
-    doc_matters.conf_make_meta.meta.title_full,                          // title
-    (doc_matters.conf_make_meta.meta.creator_author.empty) ? ""
-      : doc_matters.conf_make_meta.meta.creator_author,                  // author
-  );
-  foreach (sect; doc_matters.has.keys_seq.seg) {
-    foreach (obj; doc_abstraction[sect]) {
-      if (obj.metainfo.is_a == "heading") {
-        string _txt = obj.text.replaceAll(rgx.inline_notes_al_gen, "").strip;
-        string hashtag =(obj.metainfo.heading_lev_markup <= 4) ? "" : ("#" ~ obj.metainfo.ocn.to!string);
-        foreach_reverse (k; 0 .. 7) {
-          switch (obj.metainfo.dom_structure_markedup_tags_status[k]) {
-          case DomTags.close :
-            toc ~= "\n    </navPoint>";
-            break;
-          case DomTags.close_and_open :
-            ++counter;
-            toc ~= "\n    </navPoint>";
-            toc ~= format(q"┃
-  <navPoint class="chapter" id="navpoint" playOrder="%s">
-    <navLabel>
-      <text>%s</text>
-    </navLabel>
-    <content src="%s.xhtml%s" />┃",
-              counter,
-              _txt,
-              obj.tags.segment_anchor_tag_epub,
-              hashtag,
-            );
-            break;
-          case DomTags.open :
-            ++counter;
-            toc ~= format(q"┃
-  <navPoint class="chapter" id="navpoint" playOrder="%s">
-    <navLabel>
-      <text>%s</text>
-    </navLabel>
-    <content src="%s.xhtml%s" />┃",
-              counter,
-              _txt,
-              obj.tags.segment_anchor_tag_epub,
-              hashtag,
-            );
-            break;
-          default :
-            break;
-          }
-        }
-      }
-    }
-  }
-  toc ~= format(q"┃
-    </navPoint>
-    </navPoint>
-    </navPoint>
-  </navMap>
-</ncx>┃");
-  return toc;
-}
-#+END_SRC
-
-** the document contents                                               :seg:
-*** ↻ loop & switch (sections & objects) format epub3 xhtml output
-
-#+name: output_epub3_xhtml_seg
-#+BEGIN_SRC d
-void outputEPub3(D,I)(
-  const D    doc_abstraction,
-        I    doc_matters,
-) {
-  mixin DocReformOutputRgxInit;
-  auto xhtml_format = outputXHTMLs();
-  auto rgx = Rgx();
-  string[] doc;
-  string segment_filename;
-  string[] top_level_headings = ["","","",""];
-  string[string] oepbs_content_parts;
-  string suffix = ".xhtml";
-  struct writeOut { /+ epub specific documents +/
-    /+ fixed output +/
-    string mimetypes;
-    string meta_inf_container_xml;
-    string oebps_toc_ncx;
-    string oebps_toc_nav_xhtml;
-    /+ variable output +/
-    string oebps_content_opf;
-    string[][string] doc_epub3;
-    string[][string] doc_epub3_endnotes;
-    string[] doc_parts;
-  }
-  auto epubWrite = writeOut();
-#+END_SRC
-
-**** ↻ the loop (sections & objects) format output
-
-#+name: output_epub3_xhtml_seg
-#+BEGIN_SRC d
-  foreach (part; doc_matters.has.keys_seq.seg) {
-    foreach (obj; doc_abstraction[part]) {
-      string _txt = xhtml_format.special_characters(obj);
-#+END_SRC
-
-***** all headings
-
-#+name: output_epub3_xhtml_seg
-#+BEGIN_SRC d
-      if (obj.metainfo.is_a == "heading") {
-        assert(part == "head" || "toc" || "body" || "endnotes" || "glossary" || "bibliography" || "bookindex" || "blurb" || "tail");
-        switch (obj.metainfo.heading_lev_markup) {
-        case 0: .. case 3:
-          /+ fill buffer, and replace with new levels from 1 to 3 +/
-          switch (obj.metainfo.heading_lev_markup) {
-          case 0:
-            top_level_headings[0] = "";
-            top_level_headings[1] = "";
-            top_level_headings[2] = "";
-            top_level_headings[3] = "";
-            goto default;
-          case 1:
-            top_level_headings[1] = "";
-            top_level_headings[2] = "";
-            top_level_headings[3] = "";
-            goto default;
-          case 2:
-            top_level_headings[2] = "";
-            top_level_headings[3] = "";
-            goto default;
-          case 3:
-            top_level_headings[3] = "";
-            goto default;
-          default:
-            epubWrite.doc_parts ~= obj.tags.segment_anchor_tag_epub;
-            epubWrite.doc_epub3[obj.tags.segment_anchor_tag_epub] ~= xhtml_format.epub3_seg_head(doc_matters);
-            auto t = xhtml_format.heading_seg(_txt, obj, doc_matters, suffix, "epub");
-            epubWrite.doc_epub3[obj.tags.segment_anchor_tag_epub] ~= t[0];
-            epubWrite.doc_epub3_endnotes[obj.tags.segment_anchor_tag_epub] ~= t[1];
-            break;
-          }
-          break;
-        case 4:
-          segment_filename = obj.tags.segment_anchor_tag_epub;
-          epubWrite.doc_epub3[segment_filename] ~= xhtml_format.epub3_seg_head(doc_matters);
-          auto t = xhtml_format.heading_seg(_txt, obj, doc_matters, suffix, "epub");
-          epubWrite.doc_epub3[segment_filename] ~= t[0];
-          epubWrite.doc_epub3_endnotes[segment_filename] ~= t[1];
-          break;
-        case 5: .. case 7:
-          auto t = xhtml_format.heading_seg(_txt, obj, doc_matters, suffix, "epub");
-          epubWrite.doc_epub3[segment_filename] ~= t[0];
-          epubWrite.doc_epub3_endnotes[segment_filename] ~= t[1];
-          break;
-        case 8: .. case 9:
-          { /+ debug +/
-            if (doc_matters.opt.action.debug_do
-            && doc_matters.opt.action.verbose) {
-              writeln(__FILE__, ":", __LINE__, ": ", obj.metainfo.is_a, ": ", obj.metainfo.heading_lev_markup);
-              writeln(__FILE__, ":", __LINE__, ": ", obj.text);
-            }
-          }
-          break;
-        default:
-          { /+ debug +/
-            if (doc_matters.opt.action.debug_do
-            && doc_matters.opt.action.verbose) {
-              writeln(__FILE__, ":", __LINE__, ": ", obj.metainfo.is_a, ": ", obj.metainfo.heading_lev_markup);
-            }
-          }
-          break;
-        }
-#+END_SRC
-
-***** non-heading
-
-#+name: output_epub3_xhtml_seg
-#+BEGIN_SRC d
-      } else {
-        assert(part == "head" || "toc" || "body" || "endnotes" || "glossary" || "bibliography" || "bookindex" || "blurb" || "tail");
-        switch (obj.metainfo.is_of_part) {
-#+END_SRC
-
-****** frontmatter
-
-#+name: output_epub3_xhtml_seg
-#+BEGIN_SRC d
-        case "frontmatter":             assert(part == "head" || "toc");
-          switch (obj.metainfo.is_of_type) {
-          case "para":
-            switch (obj.metainfo.is_a) {
-            case "toc":
-              auto t = xhtml_format.para_seg(_txt, obj, doc_matters, suffix, "epub");
-              epubWrite.doc_epub3[segment_filename] ~= t[0];
-              epubWrite.doc_epub3_endnotes[segment_filename] ~= t[1];
-              break;
-            default:
-              { /+ debug +/
-                if (doc_matters.opt.action.debug_do
-                && doc_matters.opt.action.verbose) {
-                  writeln(__FILE__, ":", __LINE__, ": ", obj.metainfo.is_a);
-                }
-              }
-              break;
-            }
-            break;
-          default:
-            { /+ debug +/
-              if (doc_matters.opt.action.debug_do
-              && doc_matters.opt.action.verbose) {
-                writeln(__FILE__, ":", __LINE__, ": ", obj.metainfo.is_of_type);
-              }
-            }
-            break;
-          }
-          break;
-#+END_SRC
-
-****** body
-
-#+name: output_epub3_xhtml_seg
-#+BEGIN_SRC d
-        case "body":                    assert(part == "body");
-          switch (obj.metainfo.is_of_type) {
-          case "para":
-            switch (obj.metainfo.is_a) {
-            case "para":
-              auto t = xhtml_format.para_seg(_txt, obj, doc_matters, suffix, "epub");
-              epubWrite.doc_epub3[segment_filename] ~= t[0];
-              epubWrite.doc_epub3_endnotes[segment_filename] ~= t[1];
-              break;
-            default:
-              { /+ debug +/
-                if (doc_matters.opt.action.debug_do
-                && doc_matters.opt.action.verbose) {
-                  writeln(__FILE__, ":", __LINE__, ": ", obj.metainfo.is_a);
-                }
-              }
-              break;
-            }
-            break;
-          case "block":
-            switch (obj.metainfo.is_a) {
-            case "quote":
-              auto t = xhtml_format.quote_seg(_txt, obj, doc_matters, suffix, "epub");
-              epubWrite.doc_epub3[segment_filename] ~= t[0].to!string;
-              epubWrite.doc_epub3_endnotes[segment_filename] ~= t[1];
-              break;
-            case "group":
-              auto t = xhtml_format.group_seg(_txt, obj, doc_matters, suffix, "epub");
-              epubWrite.doc_epub3[segment_filename] ~= t[0].to!string;
-              epubWrite.doc_epub3_endnotes[segment_filename] ~= t[1];
-              break;
-            case "block":
-              auto t = xhtml_format.block_seg(_txt, obj, doc_matters, suffix, "epub");
-              epubWrite.doc_epub3[segment_filename] ~= t[0].to!string;
-              epubWrite.doc_epub3_endnotes[segment_filename] ~= t[1];
-              break;
-            case "poem":
-              break;
-            case "verse":
-              auto t = xhtml_format.verse_seg(_txt, obj, doc_matters, suffix, "epub");
-              epubWrite.doc_epub3[segment_filename] ~= t[0].to!string;
-              epubWrite.doc_epub3_endnotes[segment_filename] ~= t[1];
-              break;
-            case "code":
-              epubWrite.doc_epub3[segment_filename] ~= xhtml_format.code(_txt, obj, doc_matters);
-              break;
-            case "table":
-              epubWrite.doc_epub3[segment_filename] ~= xhtml_format.table(_txt, obj, doc_matters);
-              epubWrite.doc_epub3_endnotes[segment_filename] ~= "";
-              break;
-            default:
-              { /+ debug +/
-                if (doc_matters.opt.action.debug_do
-                && doc_matters.opt.action.verbose) {
-                  writeln(__FILE__, ":", __LINE__, ": ", obj.metainfo.is_a);
-                }
-              }
-              break;
-            }
-            break;
-          default:
-            { /+ debug +/
-              if (doc_matters.opt.action.debug_do
-              && doc_matters.opt.action.verbose) {
-                writeln(__FILE__, ":", __LINE__, ": ", obj.metainfo.is_of_type);
-              }
-            }
-            break;
-          }
-          break;
-#+END_SRC
-
-****** backmatter
-
-#+name: output_epub3_xhtml_seg
-#+BEGIN_SRC d
-        case "backmatter":
-          assert(part == "endnotes" || "glossary" || "bibliography" || "bookindex" || "blurb" || "tail");
-          switch (obj.metainfo.is_of_type) {
-          case "para":
-            switch (obj.metainfo.is_a) {
-            case "endnote":             assert(part == "endnotes");
-              auto t = xhtml_format.para_seg(_txt, obj, doc_matters, suffix, "epub");
-              epubWrite.doc_epub3[segment_filename] ~= t[0];
-              break;
-            case "glossary":            assert(part == "glossary");
-              auto t = xhtml_format.para_seg(_txt, obj, doc_matters, suffix, "epub");
-              epubWrite.doc_epub3[segment_filename] ~= t[0];
-              epubWrite.doc_epub3_endnotes[segment_filename] ~= t[1];
-              break;
-            case "bibliography":        assert(part == "bibliography");
-              auto t = xhtml_format.para_seg(_txt, obj, doc_matters, suffix, "epub");
-              epubWrite.doc_epub3[segment_filename] ~= t[0];
-              epubWrite.doc_epub3_endnotes[segment_filename] ~= t[1];
-              break;
-            case "bookindex":           assert(part == "bookindex");
-              auto t = xhtml_format.para_seg(_txt, obj, doc_matters, suffix, "epub");
-              epubWrite.doc_epub3[segment_filename] ~= t[0];
-              epubWrite.doc_epub3_endnotes[segment_filename] ~= t[1];
-              break;
-            case "blurb":               assert(part == "blurb");
-              auto t = xhtml_format.para_seg(_txt, obj, doc_matters, suffix, "epub");
-              epubWrite.doc_epub3[segment_filename] ~= t[0];
-              epubWrite.doc_epub3_endnotes[segment_filename] ~= t[1];
-              break;
-            default:
-              { /+ debug +/
-                if (doc_matters.opt.action.debug_do
-                && doc_matters.opt.action.verbose) {
-                  writeln(__FILE__, ":", __LINE__, ": ", obj.metainfo.is_a);
-                }
-              }
-              break;
-            }
-            break;
-          default:
-            { /+ debug +/
-              if (doc_matters.opt.action.debug_do
-              && doc_matters.opt.action.verbose) {
-                writeln(__FILE__, ":", __LINE__, ": ", obj.metainfo.is_of_type);
-              }
-            }
-            break;
-          }
-          break;
-        case "comment":
-          break;
-        default:
-          { /+ debug +/
-            if (doc_matters.opt.action.debug_do
-            && doc_matters.opt.action.verbose) {
-              writeln(__FILE__, ":", __LINE__, ": ", obj.metainfo.is_of_part);
-            }
-          }
-          break;
-        }
-      }
-      if (obj.metainfo.is_a == "heading") {
-        assert(obj.text.length > 0);
-        if (obj.metainfo.heading_lev_markup <= 4) {
-          oepbs_content_parts["manifest_documents"] ~=
-            format(q"┃      <item id="%s.xhtml" href="%s.xhtml" media-type="application/xhtml+xml" />
-┃",
-            obj.tags.segment_anchor_tag_epub,
-            obj.tags.segment_anchor_tag_epub,
-          );
-          oepbs_content_parts["spine"] ~=
-            format(q"┃    <itemref idref="%s.xhtml" linear="yes" />
-┃",
-            obj.tags.segment_anchor_tag_epub,
-          );
-          oepbs_content_parts["guide"] ~=
-            format(q"┃      <reference type="%s" href="%s" />
-┃",
-            obj.tags.segment_anchor_tag_epub,
-            obj.tags.segment_anchor_tag_epub,
-          );
-        } else if (obj.metainfo.heading_lev_markup > 4) {
-          oepbs_content_parts["manifest_documents"] ~=
-            format(q"┃      <item id="%s.xhtml#%s" href="%s.xhtml#%s" media-type="application/xhtml+xml" />
-┃",
-            obj.tags.segment_anchor_tag_epub,
-            obj.metainfo.object_number,
-            obj.tags.segment_anchor_tag_epub,
-            obj.metainfo.object_number,
-          );
-          oepbs_content_parts["spine"] ~=
-            format(q"┃    <itemref idref="%s.xhtml#%s" linear="yes" />
-┃",
-            obj.tags.segment_anchor_tag_epub,
-            obj.metainfo.object_number,
-          );
-          oepbs_content_parts["guide"] ~=
-            format(q"┃      <reference type="%s#%s" href="%s#%s" />
-┃",
-            obj.tags.segment_anchor_tag_epub,
-            obj.metainfo.object_number,
-            obj.tags.segment_anchor_tag_epub,
-            obj.metainfo.object_number,
-          );
-        }
-#+END_SRC
-
-***** closings & post loop
-
-#+name: output_epub3_xhtml_seg
-#+BEGIN_SRC d
-      }
-    }
-  }
-  /+ epub specific documents +/
-  epubWrite.mimetypes =              epub3_mimetypes;
-  epubWrite.meta_inf_container_xml = epub3_container_xml;
-  epubWrite.oebps_toc_ncx =          doc_abstraction.epub2_oebps_toc_ncx(doc_matters);
-  epubWrite.oebps_toc_nav_xhtml =    doc_abstraction.epub3_oebps_toc_nav_xhtml(doc_matters);
-  epubWrite.oebps_content_opf =      doc_abstraction.epub3_oebps_content(doc_matters, oepbs_content_parts);
-  epubWrite.epub3_write_output_files(doc_matters);
-}
-#+END_SRC
-
-** write output files                                            :write:zip:
-
-#+name: output_epub3_xhtml_seg
-#+BEGIN_SRC d
-void epub3_write_output_files(W,M)(
-  W epub_write,
-  M doc_matters,
-) {
-  debug(asserts) {
-    static assert(is(typeof(epub_write.doc_epub3)              == string[][string]));
-    static assert(is(typeof(epub_write.mimetypes)              == string));
-    static assert(is(typeof(epub_write.meta_inf_container_xml) == string));
-    static assert(is(typeof(epub_write.oebps_toc_nav_xhtml)    == string));
-    static assert(is(typeof(epub_write.oebps_toc_ncx)          == string));
-    static assert(is(typeof(epub_write.oebps_content_opf)      == string));
-  }
-  static auto rgx = Rgx();
-  auto pth_epub3 = DocReformPathsEPUB!()(doc_matters.output_path, doc_matters.src.language);
-  auto xhtml_format = outputXHTMLs();
-  /+ zip file +/
-  auto fn_epub = pth_epub3.epub_file(doc_matters.src.filename);
-  auto zip = new ZipArchive(); // ZipArchive zip = new ZipArchive();
-  /+ zip archive member files +/
-  void EPUBzip()(string contents, string fn) {
-    auto zip_arc_member_file = new ArchiveMember();
-    zip_arc_member_file.name = fn;
-    auto zip_data = new OutBuffer();
-    (doc_matters.opt.action.debug_do)
-    ? zip_data.write(contents.dup)
-    : zip_data.write(contents.dup
-      .replaceAll(rgx.spaces_line_start, "")
-      .replaceAll(rgx.newline, " ")
-      .strip
-    );
-    zip_arc_member_file.expandedData = zip_data.toBytes();
-    zip.addMember(zip_arc_member_file);
-    createZipFile!()(fn_epub, zip.build());
-  }
-  try {
-    if (!exists(pth_epub3.base)) {
-      pth_epub3.base.mkdirRecurse;
-    }
-    { /+ debug +/
-      if (doc_matters.opt.action.debug_do) {
-        if (!exists(pth_epub3.dbg_doc_meta_inf(doc_matters.src.filename))) {
-          pth_epub3.dbg_doc_meta_inf(doc_matters.src.filename).mkdirRecurse;
-        }
-        if (!exists(pth_epub3.dbg_doc_oebps_css(doc_matters.src.filename))) {
-          pth_epub3.dbg_doc_oebps_css(doc_matters.src.filename).mkdirRecurse;
-        }
-        if (!exists(pth_epub3.dbg_doc_oebps_image(doc_matters.src.filename))) {
-          pth_epub3.dbg_doc_oebps_image(doc_matters.src.filename).mkdirRecurse;
-        }
-      }
-    }
-    { /+ OEBPS/[segments].xhtml (the document contents) +/
-      foreach (seg_filename; doc_matters.has.segnames_lv_0_to_4) {
-        string fn = pth_epub3.fn_oebps_content_xhtml(seg_filename);
-        auto zip_arc_member_file = new ArchiveMember();
-        zip_arc_member_file.name = fn;
-        auto zip_data = new OutBuffer();
-        { /+ debug +/
-          if (doc_matters.opt.action.debug_do) {
-            string fn_dbg = pth_epub3.dbg_fn_oebps_content_xhtml(doc_matters.src.filename, seg_filename);
-            auto f = File(fn_dbg, "w");
-            foreach (docseg; epub_write.doc_epub3[seg_filename]) {
-              f.writeln(docseg);
-            }
-            foreach (docseg; epub_write.doc_epub3_endnotes[seg_filename]) {
-              f.writeln(docseg);
-            }
-            f.writeln(xhtml_format.tail);
-          }
-        }
-        foreach (docseg; epub_write.doc_epub3[seg_filename]) {
-          zip_data.write(docseg.dup);
-        }
-        foreach (docseg; epub_write.doc_epub3_endnotes[seg_filename]) {
-          zip_data.write(docseg.dup);
-        }
-        zip_data.write(xhtml_format.tail.dup);
-        zip_arc_member_file.expandedData = zip_data.toBytes();
-        zip.addMember(zip_arc_member_file);
-        /+ create the zip file +/
-        createZipFile!()(fn_epub, zip.build());
-      }
-    }
-    string fn;
-    string fn_dbg;
-    File f;
-    { /+ mimetypes (identify zip file type) +/
-      { /+ debug +/
-        if (doc_matters.opt.action.debug_do) {
-          fn_dbg = pth_epub3.dbg_fn_mimetypes(doc_matters.src.filename);
-          File(fn_dbg, "w").writeln(epub_write.mimetypes);
-        }
-      }
-      fn = pth_epub3.fn_mimetypes;
-      EPUBzip(epub_write.mimetypes, fn);
-    }
-    { /+  META-INF/container.xml (identify doc root) +/
-      { /+ debug +/
-        if (doc_matters.opt.action.debug_do) {
-          fn_dbg = pth_epub3.dbg_fn_dmi_container_xml(doc_matters.src.filename);
-          File(fn_dbg, "w").writeln(epub_write.meta_inf_container_xml);
-        }
-      }
-      fn = pth_epub3.fn_dmi_container_xml;
-      EPUBzip(epub_write.meta_inf_container_xml, fn);
-    }
-    { /+ OEBPS/toc_nav.xhtml (navigation toc epub3) +/
-      { /+ debug +/
-        if (doc_matters.opt.action.debug_do) {
-          fn_dbg = pth_epub3.dbg_fn_oebps_toc_nav_xhtml(doc_matters.src.filename);
-          File(fn_dbg, "w").writeln(epub_write.oebps_toc_nav_xhtml);
-        }
-      }
-      fn = pth_epub3.fn_oebps_toc_nav_xhtml;
-      EPUBzip(epub_write.oebps_toc_nav_xhtml, fn);
-    }
-    { /+ OEBPS/toc.ncx (navigation toc epub2) +/
-      { /+ debug +/
-        if (doc_matters.opt.action.debug_do) {
-          fn_dbg = pth_epub3.dbg_fn_oebps_toc_ncx(doc_matters.src.filename);
-          File(fn_dbg, "w").writeln(epub_write.oebps_toc_ncx);
-        }
-      }
-      fn = pth_epub3.fn_oebps_toc_ncx;
-      EPUBzip(epub_write.oebps_toc_ncx, fn);
-    }
-    { /+ OEBPS/content.opf (doc manifest) +/
-      { /+ debug +/
-        if (doc_matters.opt.action.debug_do) {
-          fn_dbg = pth_epub3.dbg_fn_oebps_content_opf(doc_matters.src.filename);
-          File(fn_dbg, "w").writeln(epub_write.oebps_content_opf);
-        }
-      }
-      fn = pth_epub3.fn_oebps_content_opf;
-      EPUBzip(epub_write.oebps_content_opf, fn);
-    }
-    { /+ OEBPS/_dr/image (images) +/
-      foreach (image; doc_matters.srcs.image_list) {
-        { /+ debug +/
-          if (doc_matters.opt.action.debug_do) {
-            if (doc_matters.opt.action.very_verbose) {
-              writeln(
-                doc_matters.src.image_dir_path, "/", image, " -> ",
-                pth_epub3.dbg_doc_oebps_image(doc_matters.src.filename), "/", image
-              );
-            }
-            if (exists(doc_matters.src.image_dir_path ~ "/" ~ image)) {
-              (doc_matters.src.image_dir_path ~ "/" ~ image)
-              .copy((pth_epub3.dbg_doc_oebps_image(doc_matters.src.filename)) ~ "/" ~ image);
-            }
-          }
-        }
-        auto fn_src = doc_matters.src.image_dir_path ~ "/" ~ image;
-        auto fn_out =  pth_epub3.doc_oebps_image ~ "/" ~ image;
-        if (exists(fn_src)) {
-          {
-            auto zip_arc_member_file = new ArchiveMember();
-            zip_arc_member_file.name = fn_out;
-            auto zip_data = new OutBuffer();
-            zip_data.write(cast(char[]) ((fn_src).read));
-            zip_arc_member_file.expandedData = zip_data.toBytes();
-            zip.addMember(zip_arc_member_file);
-            createZipFile!()(fn_epub, zip.build());
-          }
-        }
-      }
-    }
-    { /+ OEBPS/epub.css +/
-      auto css = DocReformCss(doc_matters);
-      { /+ debug +/
-        if (doc_matters.opt.action.debug_do) {
-          fn_dbg = pth_epub3.dbg_fn_oebps_css(doc_matters.src.filename);
-          File(fn_dbg, "w").writeln(css.epub);
-        }
-      }
-      fn = pth_epub3.fn_oebps_css;
-      auto zip_arc_member_file = new ArchiveMember();
-      zip_arc_member_file.name = fn;
-      auto zip_data = new OutBuffer();
-      zip_data.write(css.epub.dup);
-      zip_arc_member_file.expandedData = zip_data.toBytes();
-      zip.addMember(zip_arc_member_file);
-      createZipFile!()(fn_epub, zip.build());
-    }
-  } catch (ErrnoException ex) {
-    // Handle error
-  }
-  if (!(doc_matters.opt.action.quiet)) {
-    writeln(" ", fn_epub);
-  }
-#+END_SRC
-
-** zip debug, read zip  archive                                        :zip:
-
-#+name: output_epub3_xhtml_seg
-#+BEGIN_SRC d
-  debug(epub_archive) {
-    if (exists(fn_epub)) {
-      try {
-        auto zipped = new ZipArchive((fn_epub).read);
-        foreach (filename, member; zipped.directory) {
-          auto data = zipped.expand(member);
-          writeln(filename, " length ", data.length);
-        }
-      } catch (ZipException ex) {
-        // Handle errors
-      }
-    }
-  }
-}
-#+END_SRC
-
-* __END__
diff --git a/org/output_xmls_css.org b/org/output_xmls_css.org
deleted file mode 100644
index b16bee0..0000000
--- a/org/output_xmls_css.org
+++ /dev/null
@@ -1,2364 +0,0 @@
--*- mode: org -*-
-#+TITLE:       spine (doc_reform) defaults css
-#+DESCRIPTION: documents - structuring, publishing in multiple formats & search
-#+FILETAGS:    :spine:output:xmls:css:
-#+AUTHOR:      Ralph Amissah
-#+EMAIL:       [[mailto:ralph.amissah@gmail.com][ralph.amissah@gmail.com]]
-#+COPYRIGHT:   Copyright (C) 2015 - 2019 Ralph Amissah
-#+LANGUAGE:    en
-#+STARTUP:     indent content hideblocks hidestars
-#+OPTIONS:     H:3 num:nil toc:t \n:nil @:t ::t |:t ^:nil _:nil -:t f:t *:t <:t
-#+OPTIONS:     TeX:t LaTeX:t skip:nil d:nil todo:t pri:nil tags:not-in-toc
-#+OPTIONS:     author:nil email:nil creator:nil timestamp:nil
-#+PROPERTY:    header-args :padline no :exports code :cache no :noweb yes
-#+EXPORT_SELECT_TAGS:  export
-#+EXPORT_EXCLUDE_TAGS: noexport
-#+TAGS: assert(a) class(c) debug(d) mixin(m) spine(s) tangle(T) template(t) WEB(W) noexport(n)
-
-- [[./spine.org][spine]]  [[./][org/]]
-- [[./output_hub.org][output_hub]]
-
-* 0. output css defaults                  :module:spine:output_xmls_css:
-** _module template_
-
-#+BEGIN_SRC d :tangle "../src/doc_reform/output/xmls_css.d"
-/++
-  default css settings
-+/
-module doc_reform.output.xmls_css;
-template DocReformCss() {
-  import std.format;
-  auto DocReformCss(M)(M doc_matters) {
-<<css_insert_shared_insert_variable_indent_values>>
-<<css_insert_shared_insert_variable_ocn_color_values>>
-    string _css_light_html_seg = format(q"┃
-<<css_light_shared>>
-<<css_light_html_seg>>
-┃",
-    _color_ocn_light,
-    _css_indent,
-    _color_ocn_light,
-);
-    string _css_dark_html_seg = format(q"┃
-<<css_dark_shared>>
-<<css_dark_html_seg>>
-┃",
-    _color_ocn_dark,
-    _css_indent,
-    _color_ocn_dark,
-);
-    string _css_light_html_scroll = format(q"┃
-<<css_light_shared>>
-<<css_light_html_scroll>>
-┃",
-    _color_ocn_light,
-    _css_indent,
-    _color_ocn_light,
-);
-    string _css_dark_html_scroll = format(q"┃
-<<css_dark_shared>>
-<<css_dark_html_scroll>>
-┃",
-    _color_ocn_dark,
-    _css_indent,
-    _color_ocn_dark,
-);
-    string _css_light_epub = format(q"┃
-<<css_light_shared>>
-<<css_light_epub>>
-┃",
-    _color_ocn_light,
-    _css_indent,
-    _color_ocn_light,
-);
-    string _css_dark_epub = format(q"┃
-<<css_dark_shared>>
-<<css_dark_epub>>
-┃",
-    _color_ocn_dark,
-    _css_indent,
-    _color_ocn_dark,
-);
-    auto css_() {
-      struct _CSS {
-        string html_seg    = "/* DocReform css html seg stylesheet */\n";
-        string html_scroll = "/* DocReform css html scroll stylesheet */\n";
-        string epub        = "/* DocReform css epub stylesheet */\n";
-      }
-      return _CSS();
-    }
-    auto css = css_();
-    if (doc_matters.opt.action.css_theme_default) {
-      css.html_seg    ~= _css_light_html_seg;
-      css.html_scroll ~= _css_light_html_scroll;
-      css.epub        ~= _css_light_epub;
-    } else {
-      css.html_seg    ~= _css_dark_html_seg;
-      css.html_scroll ~= _css_dark_html_scroll;
-      css.epub        ~= _css_dark_epub;
-    }
-    return css;
-  }
-}
-#+END_SRC
-
-** css light theme
-*** html shared
-**** general
-
-#+name: css_light_shared
-#+BEGIN_SRC css
-  *{
-    padding                  : 0px;
-    margin                   : 0px;
-  }
-  body {
-    height                   : 100vh;
-    background-color         : #FFFFFF;
-  }
-  body {
-    color                    : #000000;
-    background               : #FFFFFF;
-    background-color         : #FFFFFF;
-  }
-#+END_SRC
-
-**** link
-
-#+name: css_light_shared
-#+BEGIN_SRC css
-  a:link {
-    color                    : #003399;
-    text-decoration          : none;
-  }
-  a:visited {
-    color                    : #003399;
-    text-decoration          : none;
-  }
-  a:hover {
-    color                    : #000000;
-    background-color         : #F9F9AA;
-  }
-  a.lnkocn:link {
-    color                    : %s;
-    text-decoration          : none;
-  }
-  a.lnkocn:visited {
-    color                    : #32CD32;
-    text-decoration          : none;
-  }
-  a.lnkocn:hover {
-    color                    : #777777;
-    font-size                : 15px;
-  }
-  a:hover img {
-    background-color         : #FFFFFF;
-  }
-  a:active {
-    color                    : #003399;
-    text-decoration          : underline;
-  }
-#+END_SRC
-
-**** div
-
-#+name: css_light_shared
-#+BEGIN_SRC css
-  div {
-    margin-left              : 0;
-    margin-right             : 0;
-  }
-  div.p {
-    margin-left              : 5%%;
-    margin-right             : 1%%;
-  }
-  div.substance {
-    width                    : 100%%;
-    background-color         : #FFFFFF;
-  }
-  div.ocn {
-    width                    : 5%%;
-    float                    : right;
-    top                      : 0;
-    background-color         : #FFFFFF;
-  }
-  div.endnote {
-    width                    : 95%%;
-    background-color         : #FFFFFF;
-  }
-  div.toc {
-    position                 : absolute;
-    float                    : left;
-    margin                   : 0;
-    padding                  : 0;
-    padding-top              : 0.5em;
-    border                   : 0;
-    width                    : 13em;
-    background-color         : #EEEEEE;
-    margin-right             : 1em;
-  }
-  div.summary {
-    margin                   : 0;
-    padding                  : 0;
-    border-left              : 13em solid #EEEEEE;
-    padding-left             : 1em;
-    background-color         : #EEEEEE;
-  }
-  div.content, div.main_column {
-    margin                   : 0;
-    padding                  : 0;
-    border-left              : 13em solid #FFFFFF;
-    padding-left             : 1em;
-    padding-right            : 1em;
-  }
-  div.content0, div.main_column0 {
-    margin                   : 0;
-    padding                  : 0;
-    border-left              : 0%% solid #FFFFFF;
-    padding-left             : 5%%;
-  }
-  div.scroll {
-    margin                   : 0;
-    padding                  : 0;
-    padding-left             : 1em;
-    padding-right            : 1em;
-  }
-  div.content:after {
-    content                  : ' ';
-    clear                    : both;
-    display                  : block;
-    height                   : 0;
-    overflow                 : hidden;
-  }
-  div.footer {
-    clear                    : left;
-    padding                  : 0.5em;
-    font-size                : 80%%;
-    margin                   : 0;
-  }
-  div.toc ul {
-    list-style               : none;
-    padding                  : 0;
-    margin                   : 0;
-  }
-  div.toc li ul a, li ul span.currentlink
-  {
-    font-weight              : normal;
-    font-size                : 90%%;
-    padding-left             : 2em;
-    background-color         : #EEEEEE;
-  }
-  div.toc a, span.currentlink{
-    display                  : block;
-    text-decoration          : none;
-    padding-left             : 0.5em;
-    color                    : #0000aa;
-  }
-  hr {
-    width                    : 90%%;
-    margin-left              : 5%%;
-    margin-right             : 2em;
-    margin-top               : 1.8em;
-    margin-bottom            : 1.8em;
-  }
-  span.currentlink {
-    text-decoration          : none;
-    background-color         : #AAAAAA;
-  }
-  div.toc a:visited {
-    color                    : #0000aa;
-  }
-  div.toc a:hover {
-    color                    : #000000;
-    background-color         : #F9F9AA;
-  }
-  nav#toc ol {
-    list-style-type          : none;
-  }
-#+END_SRC
-
-**** paragraphs headings blocks
-***** misc
-
-#+name: css_light_shared
-#+BEGIN_SRC css
-  .norm, .bold, .verse, .group, .block, .alt {
-    line-height              : 133%%;
-    margin-top               : 12px;
-    margin-bottom            : 0px;
-    padding-left             : 0em;
-    text-indent              : 0em;
-  }
-  p, h0, h1, h2, h3, h4, h5, h6, h7, ul, li {
-    display                  : block;
-    font-family              : verdana, arial, georgia, tahoma, sans-serif, helvetica, times, roman;
-    margin-left              : 5%%;
-    margin-right             : 2em;
-  }
-  p {
-    font-size                : 100%%;
-    font-weight              : normal;
-    line-height              : 133%%;
-    text-align               : justify;
-    text-indent              : 0mm;
-    margin-top               : 0.8em;
-    margin-bottom            : 0.8em;
-  }
-#+END_SRC
-
-#+name: css_light_shared
-#+BEGIN_SRC css
-  img {
-    max-width                : 100%%;
-    height                   : auto;
-  }
-#+END_SRC
-
-***** code block
-
-#+name: css_light_shared
-#+BEGIN_SRC css
-  pre {
-    width                    : auto;
-    display                  : block;
-    clear                    : both;
-    color                    : #555555;
-  }
-  pre.codeline {
-    display                  : table;
-    clear                    : both;
-    table-layout             : fixed;
-    margin-left              : 5%%;
-    margin-right             : 5%%;
-    width                    : 90%%;
-    white-space              : pre-wrap;
-    border-style             : none;
-    border-radius            : 5px 5px 5px 5px;
-    box-shadow               : 0 2px 5px #AAAAAA inset;
-    margin-bottom            : 1em;
-    padding                  : 0.5em 1em;
-    page-break-inside        : avoid;
-    word-wrap                : break-word;
-    font-family              : inconsolata, "liberation mono", "bitstream vera mono", "dejavu mono", monaco, consolas, "andale mono", "courier new", "courier 10 pitch", courier, monospace;
-    white-space              : pre;
-    white-space              : pre-wrap;
-    white-space              : -moz-pre-wrap;
-    white-space              : -o-pre-wrap;
-    background-color         : #EEEEEE;
-    color                    : #000000;
-    font-size                : 95%%;
-    line-height              : 100%%;
-  }
-  pre.codeline::before {
-    counter-reset            : linenum;
-  }
-  pre.codeline span.tr {
-    display                  : table-row;
-    counter-increment        : linenum;
-  }
-  pre.codeline span.th {
-    display                  : table-cell;
-    user-select              : none;
-    -moz-user-select         : none;
-    -webkit-user-select      : none;
-    padding                  : 0.5em 0.5em;
-    /* background-color         : #666666; */
-  }
-  pre.codeline span.th::before {
-    content                  : counter(linenum) ".";
-    color                    : #999999;
-    text-align               : right;
-    display                  : block;
-  }
-  pre.codeline span.th {
-    width                    : 4em;
-  }
-  pre.codeline code {
-    display                  : table-cell;
-  }
-  p.code {
-    border-style             : none;
-  }
-#+END_SRC
-
-***** paragraph general
-
-#+name: css_light_shared
-#+BEGIN_SRC css
-  p.spaced { white-space     : pre; }
-  p.block {
-    white-space              : pre;
-  }
-  p.group { }
-  p.alt { }
-  p.verse {
-    white-space              : pre;
-    margin-bottom            : 6px;
-  }
-  p.caption {
-    text-align               : left;
-    font-size                : 80%%;
-    display                  : inline;
-  }
-  p.endnote {
-    font-size                : 96%%;
-    line-height              : 120%%;
-    text-align               : left;
-    margin-right             : 15mm;
-  }
-  p.endnote_indent {
-    font-size                : 96%%;
-    line-height              : 120%%;
-    text-align               : left;
-    margin-left              : 2em;
-    margin-right             : 15mm;
-  }
-  p.center {
-    text-align               : center;
-  }
-  p.bold {
-    font-weight              : bold;
-  }
-  p.bold_left {
-    font-weight              : bold;
-    text-align               : left;
-  }
-  p.centerbold {
-    text-align               : center;
-    font-weight              : bold;
-  }
-  p.em {
-    font-weight              : bold;
-    font-style               : normal;
-    background               : #FFF3B6;
-  }
-  p.small {
-    font-size                : 80%%;
-    margin-top               : 0px;
-    margin-bottom            : 0px;
-    margin-right             : 6px;
-    text-align               : left;
-  }
-  .tiny, .tiny_left, .tiny_right, .tiny_center {
-    font-size                : 10px;
-    margin-top               : 0px;
-    margin-bottom            : 0px;
-    color                    : #777777;
-    margin-right             : 6px;
-    text-align               : left;
-  }
-  p.tiny { }
-  p.tiny_left {
-    margin-left              : 0px;
-    margin-right             : 0px;
-    text-align               : left;
-  }
-  p.tiny_right {
-    margin-right             : 1em;
-    text-align               : right;
-  }
-  p.tiny_center {
-    margin-left              : 0px;
-    margin-right             : 0px;
-    text-align               : center;
-  }
-  p.concordance_word {
-    line-height              : 150%%;
-    font-weight              : bold;
-    display                  : inline;
-    margin-top               : 4px;
-    margin-bottom            : 1px;
-  }
-  p.concordance_count {
-    font-size                : 80%%;
-    color                    : #777777;
-    display                  : inline;
-    margin-left              : 0em;
-  }
-  p.concordance_object {
-    font-size                : 80%%;
-    line-height              : 120%%;
-    text-align               : left;
-    margin-left              : 3em;
-    margin-top               : 1px;
-    margin-bottom            : 3px;
-  }
-  p.book_index_lev1 {
-    line-height              : 100%%;
-    margin-top               : 4px;
-    margin-bottom            : 1px;
-  }
-  p.book_index_lev2 {
-    line-height              : 100%%;
-    text-align               : left;
-    margin-left              : 3em;
-    margin-top               : 1px;
-    margin-bottom            : 3px;
-  }
-  tt {
-    font-family              : inconsolata, "liberation mono", "bitstream vera mono", "dejavu mono", monaco, consolas, "andale mono", "courier new", "courier 10 pitch", courier, monospace;
-    background-color         : #EEEEEE;
-    color                    : #000000;
-  }
-#+END_SRC
-
-***** paragraph indent
-
-#+name: css_light_shared
-#+BEGIN_SRC css
-%s
-#+END_SRC
-
-***** misc including tables & lists
-
-#+name: css_light_shared
-#+BEGIN_SRC css
-  note { white-space         : pre; }
-  label.ocn {
-    width                    : 2%%;
-    float                    : right;
-    top                      : 0;
-    font-size                : 10px;
-    margin-top               : 0px;
-    margin-bottom            : 5px;
-    margin-right             : 5px;
-    text-align               : right;
-    color                    : %s;
-    -khtml-user-select       : none;
-    -moz-user-select         : none;
-    -ms-user-select          : none;
-    -o-user-select           : none;
-    -webkit-user-select      : none;
-    user-select              : none;
-  }
-  table {
-    display                  : block;
-    margin-left              : 5%%;
-    margin-right             : 2em;
-    background-color         : inherit;
-  }
-  tr { }
-  th,td {
-    vertical-align           : top;
-    text-align               : left;
-  }
-  th {
-    font-weight              : bold;
-  }
-  em {
-    font-weight              : bold;
-    font-style               : italic;
-  }
-  p.left,th.left,td.left {
-    text-align               : left;
-  }
-  p.small_left,th.small_left,td.small_left {
-    text-align               : left;
-    font-size                : 80%%;
-  }
-  p.right,th.right,td.right {
-    text-align               : right;
-  }
-  ul, li {
-    list-style-type          : none;
-    list-style               : none;
-    padding-left             : 20px;
-    font-weight              : normal;
-    line-height              : 150%%;
-    text-align               : left;
-    text-indent              : 0mm;
-    margin-left              : 1em;
-    margin-right             : 2em;
-    margin-top               : 3px;
-    margin-bottom            : 3px;
-  }
-  li {
-    background               : url(../image_sys/bullet_09.png) no-repeat 0px 6px;
-  }
-  ul { }
-#+END_SRC
-
-***** headings
-
-#+name: css_light_shared
-#+BEGIN_SRC css
-  h0, h1, h2, h3, h4, h5, h6, h7 {
-    font-weight              : bold;
-    line-height              : 120%%;
-    text-align               : left;
-    margin-top               : 20px;
-    margin-bottom            : 10px;
-  }
-  h4.norm, h5.norm, h6.norm, h7.norm {
-    margin-top               : 10px;
-    margin-bottom            : 0px;
-  }
-  h0 { font-size             : 125%%; }
-  h1 { font-size             : 120%%; }
-  h2 { font-size             : 115%%; }
-  h3 { font-size             : 110%%; }
-  h4 { font-size             : 105%%; }
-  h5 { font-size             : 100%%; }
-  h6 { font-size             : 100%%; }
-  h7 { font-size             : 100%%; }
-  h0, h1, h2, h3, h4, h5, h6, h7 {
-    text-shadow              : .2em .2em .3em #808080;
-  }
-  h1.i { margin-left         : 2em; }
-  h2.i { margin-left         : 3em; }
-  h3.i { margin-left         : 4em; }
-  h4.i { margin-left         : 5em; }
-  h5.i { margin-left         : 6em; }
-  h6.i { margin-left         : 7em; }
-  h7.i { margin-left         : 8em; }
-  h8.i { margin-left         : 9em; }
-  h9.i { margin-left         : 10em; }
-  .toc {
-    font-weight              : normal;
-    margin-top               : 6px;
-    margin-bottom            : 6px;
-  }
-  h0.toc {
-    margin-left              : 1em;
-    font-size                : 120%%;
-    line-height              : 150%%;
-  }
-  h1.toc {
-    margin-left              : 1em;
-    font-size                : 115%%;
-    line-height              : 150%%;
-  }
-  h2.toc {
-    margin-left              : 2em;
-    font-size                : 110%%;
-    line-height              : 140%%;
-  }
-  h3.toc {
-    margin-left              : 3em;
-    font-size                : 105%%;
-    line-height              : 120%%;
-  }
-  h4.toc {
-    margin-left              : 4em;
-    font-size                : 100%%;
-    line-height              : 120%%;
-  }
-  h5.toc {
-    margin-left              : 5em;
-    font-size                : 95%%;
-    line-height              : 110%%;
-  }
-  h6.toc {
-    margin-left              : 6em;
-    font-size                : 90%%;
-    line-height              : 110%%;
-  }
-  h7.toc {
-    margin-left              : 7em;
-    font-size                : 85%%;
-    line-height              : 100%%;
-  }
-  .subtoc {
-    margin-right             : 34%%;
-    font-weight              : normal;
-  }
-  h5.subtoc {
-    margin-left              : 2em;
-    font-size                : 80%%;
-    margin-top               : 2px;
-    margin-bottom            : 2px;
-  }
-  h6.subtoc {
-    margin-left              : 3em;
-    font-size                : 75%%;
-    margin-top               : 0px;
-    margin-bottom            : 0px;
-  }
-  h7.subtoc {
-    margin-left              : 4em;
-    font-size                : 70%%;
-    margin-top               : 0px;
-    margin-bottom            : 0px;
-  }
-#+END_SRC
-
-*** html seg
-**** previous next
-
-#+name: css_light_html_seg
-#+BEGIN_SRC css
-  .icon-bar {
-    width                    : 100%%;
-    overflow                 : auto;
-    margin                   : 0em 0em 0em;
-  }
-  .left-bar {
-    width                    : 85%%;
-    float                    : left;
-    display                  : inline;
-    overflow                 : auto;
-  }
-  .toc-button {
-    position                 : absolute;
-    top                      : 8px;
-    width                    : 2em;
-    height                   : 2em;
-    border-radius            : 50%%;
-    background               : #CCCCCC;
-    fill                     : #333333;
-    box-shadow               : 0 2px 5px #AAAAAA inset;
-  }
-  .toc-button svg {
-    position                 : relative;
-    left                     : 25%%;
-    top                      : 25%%;
-    width                    : 150%%;
-    height                   : 150%%;
-  }
-  .toc-button p {
-    vertical-align           : center;
-    font-size                : 120%%;
-  }
-  .prev-next-button {
-    position                 : absolute;
-    top                      : 8px;
-    width                    : 2em;
-    height                   : 2em;
-    border-radius            : 50%%;
-    background               : #CCCCCC;
-    box-shadow               : 0 2px 5px #AAAAAA inset;
-  }
-  .prev-next-button svg {
-    position                 : relative;
-    left                     : 20%%;
-    top                      : 20%%;
-    width                    : 60%%;
-    height                   : 60%%;
-  }
-  .menu {
-    right                    : 6em;
-   }
-  .previous {
-    right                    : 3em;
-   }
-  .next {
-    right                    : 0em;
-   }
-  .arrow {
-    fill                     : #333333;
-  }
-  .minitoc {
-    line-height              : 100%%;
-    font-size                : 90%%;
-    margin-top               : 6px;
-    margin-bottom            : 0px;
-    padding-left             : 0em;
-    text-indent              : 0em;
-    -khtml-user-select       : none;
-    -moz-user-select         : none;
-    -ms-user-select          : none;
-    -o-user-select           : none;
-    -webkit-user-select      : none;
-    user-select              : none;
-  }
-#+END_SRC
-
-**** flex
-
-#+name: css_light_html_seg
-#+BEGIN_SRC css
-  /* flex */
-  .flex-menu-bar {
-    display                  : -webkit-flex;
-    display                  : flex;
-    -webkit-flex-wrap        : wrap;
-    -webkit-align-items      : center;
-    align-items              : center;
-    width                    : 100%%;
-    margin-left              : 5%%;
-    margin-right             : 2%%;
-    background-color         : #FFFFFF;
-  }
-  .flex-menu-option {
-    background-color         : #FFFFFF;
-    margin-right             : 4px;
-  }
-  .flex-list {
-    display                  : -webkit-flex;
-    display                  : flex;
-    -webkit-align-items      : center;
-    display                  : block;
-    align-items              : center;
-    width                    : 100%%;
-    background-color         : #FFFFFF;
-  }
-  .flex-list-item {
-    background-color         : #FFFFFF;
-    margin                   : 4px;
-  }
-#+END_SRC
-
-**** TODO grid
-
-Consider what if anything should be used here
-
-#+name: css_light_html_seg
-#+BEGIN_SRC css
-  /* grid */
-  .wrapper {
-    display                  : grid;
-    grid-template-columns    : 100%%;
-    grid-template-areas      :
-      "headband"
-      "doc_header"
-      "doc_title"
-      "doc_toc"
-      "doc_prefix"
-      "doc_intro"
-      "doc_body"
-      "doc_endnotes"
-      "doc_glossary"
-      "doc_biblio"
-      "doc_bookindex"
-      "doc_blurb"
-      "doc_suffix";
-    margin                   : 0px;
-    padding                  : 0px;
-    background-color         : #FFFFFF;
-  }
-  .delimit {
-    border-style             : none;
-    border-color             : #FFFFFF;
-    padding                  : 10px;
-  }
-  .headband {
-    grid-area                : headband;
-    background-color         : #FFFFFF;
-  }
-  .doc_header {
-    grid-area                : doc_header;
-  }
-  .doc_title {
-    grid-area                : doc_title;
-  }
-  .doc_toc {
-    grid-area                : doc_toc;
-  }
-  .doc_prefix {
-    grid-area                : doc_prefix;
-  }
-  .doc_intro {
-    grid-area                : doc_intro;
-  }
-  .doc_body {
-    grid-area                : doc_body;
-  }
-  .doc_endnotes {
-    grid-area                : doc_endnotes;
-  }
-  .doc_glossary {
-    grid-area                : doc_glossary;
-  }
-  .doc_biblio {
-    grid-area                : doc_biblio;
-  }
-  .doc_bookindex {
-    grid-area                : doc_bookindex;
-  }
-  .doc_blurb {
-    grid-area                : doc_blurb;
-  }
-  .doc_suffix {
-    grid-area                : doc_suffix;
-  }
-  .nav-ul {
-    list-style               : none;
-    float                    : left;
-  }
-  .nav-li {
-    float                    : left;
-    padding-right            : 0.7em;
-  }
-  .nav-li a {
-    text-decoration          : none;
-    color                    : #FFFFFF;
-  }
-  footer {
-    background-color         : #00704E;
-  }
-#+END_SRC
-
-*** html scroll
-**** flex
-
-#+name: css_light_html_scroll
-#+BEGIN_SRC css
-  /* flex */
-  .flex-menu-bar {
-    display                  : -webkit-flex;
-    display                  : flex;
-    -webkit-flex-wrap        : wrap;
-    -webkit-align-items      : center;
-    align-items              : center;
-    width                    : 100%%;
-    margin-left              : 5%%;
-    margin-right             : 2%%;
-    background-color         : #FFFFFF;
-  }
-  .flex-menu-option {
-    background-color         : #FFFFFF;
-    margin-right             : 4px;
-  }
-  .flex-list {
-    display                  : -webkit-flex;
-    display                  : flex;
-    -webkit-align-items      : center;
-    display                  : block;
-    align-items              : center;
-    width                    : 100%%;
-    background-color         : #FFFFFF;
-  }
-  .flex-list-item {
-    background-color         : #FFFFFF;
-    margin                   : 4px;
-  }
-#+END_SRC
-
-**** grid
-
-#+name: css_light_html_scroll
-#+BEGIN_SRC css
-  /* grid */
-  .wrapper {
-    display                  : grid;
-    grid-template-columns    : 100%%;
-    grid-template-areas      :
-      "headband"
-      "doc_header"
-      "doc_title"
-      "doc_toc"
-      "doc_prefix"
-      "doc_intro"
-      "doc_body"
-      "doc_endnotes"
-      "doc_glossary"
-      "doc_biblio"
-      "doc_bookindex"
-      "doc_blurb"
-      "doc_suffix";
-    margin                   : 0px;
-    padding                  : 0px;
-    background-color         : #FFFFFF;
-  }
-  .delimit {
-    border-style             : none;
-    border-color             : #FFFFFF;
-    padding                  : 10px;
-  }
-  .headband {
-    grid-area                : headband;
-    background-color         : #FFFFFF;
-  }
-  .doc_header {
-    grid-area                : doc_header;
-  }
-  .doc_title {
-    grid-area                : doc_title;
-  }
-  .doc_toc {
-    grid-area                : doc_toc;
-  }
-  .doc_prefix {
-    grid-area                : doc_prefix;
-  }
-  .doc_intro {
-    grid-area                : doc_intro;
-  }
-  .doc_body {
-    grid-area                : doc_body;
-  }
-  .doc_endnotes {
-    grid-area                : doc_endnotes;
-  }
-  .doc_glossary {
-    grid-area                : doc_glossary;
-  }
-  .doc_biblio {
-    grid-area                : doc_biblio;
-  }
-  .doc_bookindex {
-    grid-area                : doc_bookindex;
-  }
-  .doc_blurb {
-    grid-area                : doc_blurb;
-  }
-  .doc_suffix {
-    grid-area                : doc_suffix;
-  }
-  .nav-ul {
-    list-style               : none;
-    float                    : left;
-  }
-  .nav-li {
-    float                    : left;
-    padding-right            : 0.7em;
-  }
-  .nav-li a {
-    text-decoration          : none;
-    color                    : #FFFFFF;
-  }
-  footer {
-    background-color         : #00704E;
-  }
-#+END_SRC
-
-*** epub xhtml
-
-#+name: css_light_epub
-#+BEGIN_SRC css
-#+END_SRC
-
-** css dark theme
-*** html shared
-**** general
-
-#+name: css_dark_shared
-#+BEGIN_SRC css
-  *{
-    padding                  : 0px;
-    margin                   : 0px;
-  }
-  body {
-    height                   : 100vh;
-    background-color         : #000000;
-  }
-  body {
-    color                    : #CCCCCC;
-    background               : #000000;
-    background-color         : #000000;
-  }
-#+END_SRC
-
-**** link
-
-#+name: css_dark_shared
-#+BEGIN_SRC css
-  a:link {
-    color                    : #FFFFFF;
-    text-decoration          : none;
-  }
-  a:visited {
-    color                    : #999999;
-    text-decoration          : none;
-  }
-  a:hover {
-    color                    : #000000;
-    background-color         : #555555;
-  }
-  a.lnkocn:link {
-    color                    : %s;
-    text-decoration          : none;
-  }
-  a.lnkocn:visited {
-    color                    : #9ACD32;
-    text-decoration          : none;
-  }
-  a.lnkocn:hover {
-    color                    : #BBBBBB;
-    font-size                : 15px;
-  }
-  a:hover img {
-    background-color         : #000000;
-  }
-  a:active {
-    color                    : #888888;
-    text-decoration          : underline;
-  }
-#+END_SRC
-
-**** div
-
-#+name: css_dark_shared
-#+BEGIN_SRC css
-  div {
-    margin-left              : 0;
-    margin-right             : 0;
-  }
-  div.p {
-    margin-left              : 5%%;
-    margin-right             : 1%%;
-  }
-  div.substance {
-    width                    : 100%%;
-    background-color         : #000000;
-  }
-  div.ocn {
-    width                    : 5%%;
-    float                    : right;
-    top                      : 0;
-    background-color         : #000000;
-  }
-  div.endnote {
-    width                    : 95%%;
-    background-color         : #000000;
-  }
-  div.toc {
-    position                 : absolute;
-    float                    : left;
-    margin                   : 0;
-    padding                  : 0;
-    padding-top              : 0.5em;
-    border                   : 0;
-    width                    : 13em;
-    background-color         : #111111;
-    margin-right             : 1em;
-  }
-  div.summary {
-    margin                   : 0;
-    padding                  : 0;
-    border-left              : 13em solid #111111;
-    padding-left             : 1em;
-    background-color         : #111111;
-  }
-  div.content, div.main_column {
-    margin                   : 0;
-    padding                  : 0;
-    border-left              : 13em solid #000000;
-    padding-left             : 1em;
-    padding-right            : 1em;
-  }
-  div.content0, div.main_column0 {
-    margin                   : 0;
-    padding                  : 0;
-    border-left              : 0%% solid #000000;
-    padding-left             : 5%%;
-  }
-  div.scroll {
-    margin                   : 0;
-    padding                  : 0;
-    padding-left             : 1em;
-    padding-right            : 1em;
-  }
-  div.content:after {
-    content                  : ' ';
-    clear                    : both;
-    display                  : block;
-    height                   : 0;
-    overflow                 : hidden;
-  }
-  div.footer {
-    clear                    : left;
-    padding                  : 0.5em;
-    font-size                : 80%%;
-    margin                   : 0;
-  }
-  div.toc ul {
-    list-style               : none;
-    padding                  : 0;
-    margin                   : 0;
-  }
-  div.toc li ul a, li ul span.currentlink
-  {
-    font-weight              : normal;
-    font-size                : 90%%;
-    padding-left             : 2em;
-    background-color         : #111111;
-  }
-  div.toc a, span.currentlink{
-    display                  : block;
-    text-decoration          : none;
-    padding-left             : 0.5em;
-    color                    : #FF00AA;
-  }
-  hr {
-    width                    : 90%%;
-    margin-left              : 5%%;
-    margin-right             : 2em;
-    margin-top               : 1.8em;
-    margin-bottom            : 1.8em;
-  }
-  span.currentlink {
-    text-decoration          : none;
-    background-color         : #AAAAF9;
-  }
-  div.toc a:visited {
-    color                    : #FF00AA;
-  }
-  div.toc a:hover {
-    color                    : #CCCCCC;
-    background-color         : #F9F9AA;
-  }
-  nav#toc ol {
-    list-style-type          : none;
-  }
-#+END_SRC
-
-**** paragraphs headings blocks
-***** misc
-
-#+name: css_dark_shared
-#+BEGIN_SRC css
-  .norm, .bold, .verse, .group, .block, .alt {
-    line-height              : 133%%;
-    margin-top               : 12px;
-    margin-bottom            : 0px;
-    padding-left             : 0em;
-    text-indent              : 0em;
-  }
-  p, h0, h1, h2, h3, h4, h5, h6, h7, ul, li {
-    display                  : block;
-    font-family              : verdana, arial, georgia, tahoma, sans-serif, helvetica, times, roman;
-    margin-left              : 5%%;
-    margin-right             : 2em;
-  }
-  p {
-    font-size                : 100%%;
-    font-weight              : normal;
-    line-height              : 133%%;
-    text-align               : justify;
-    text-indent              : 0mm;
-    margin-top               : 0.8em;
-    margin-bottom            : 0.8em;
-  }
-#+END_SRC
-
-#+name: css_dark_shared
-#+BEGIN_SRC css
-  img {
-    max-width                : 100%%;
-    height                   : auto;
-  }
-#+END_SRC
-
-***** code block
-
-#+name: css_dark_shared
-#+BEGIN_SRC css
-  pre {
-    width                    : auto;
-    display                  : block;
-    clear                    : both;
-    color                    : #555555;
-  }
-  pre.codeline {
-    display                  : table;
-    clear                    : both;
-    table-layout             : fixed;
-    margin-left              : 5%%;
-    margin-right             : 5%%;
-    width                    : 90%%;
-    white-space              : pre-wrap;
-    border-style             : none;
-    border-radius            : 5px 5px 5px 5px;
-    box-shadow               : 0 2px 5px #AAAAAA inset;
-    margin-bottom            : 1em;
-    padding                  : 0.5em 1em;
-    page-break-inside        : avoid;
-    word-wrap                : break-word;
-    font-family              : inconsolata, "liberation mono", "bitstream vera mono", "dejavu mono", monaco, consolas, "andale mono", "courier new", "courier 10 pitch", courier, monospace;
-    white-space              : pre;
-    white-space              : pre-wrap;
-    white-space              : -moz-pre-wrap;
-    white-space              : -o-pre-wrap;
-    background-color         : #555555;
-    color                    : #DDDDDD;
-    font-size                : 95%%;
-    line-height              : 100%%;
-  }
-  pre.codeline::before {
-    counter-reset            : linenum;
-  }
-  pre.codeline span.tr {
-    display                  : table-row;
-    counter-increment        : linenum;
-  }
-  pre.codeline span.th {
-    display                  : table-cell;
-    user-select              : none;
-    -moz-user-select         : none;
-    -webkit-user-select      : none;
-    padding                  : 0.5em 0.5em;
-  }
-  pre.codeline span.th::before {
-    content                  : counter(linenum) ".";
-    color                    : #999999;
-    text-align               : right;
-    display                  : block;
-  }
-  pre.codeline span.th {
-    width                    : 4em;
-  }
-  pre.codeline code {
-    display                  : table-cell;
-  }
-  p.code {
-    border-style             : none;
-  }
-#+END_SRC
-
-***** paragraph general
-
-#+name: css_dark_shared
-#+BEGIN_SRC css
-  p.spaced { white-space     : pre; }
-  p.block {
-    white-space              : pre;
-  }
-  p.group { }
-  p.alt { }
-  p.verse {
-    white-space              : pre;
-    margin-bottom            : 6px;
-  }
-  p.caption {
-    text-align               : left;
-    font-size                : 80%%;
-    display                  : inline;
-  }
-  p.endnote {
-    font-size                : 96%%;
-    line-height              : 120%%;
-    text-align               : left;
-    margin-right             : 15mm;
-  }
-  p.endnote_indent {
-    font-size                : 96%%;
-    line-height              : 120%%;
-    text-align               : left;
-    margin-left              : 2em;
-    margin-right             : 15mm;
-  }
-  p.center {
-    text-align               : center;
-  }
-  p.bold {
-    font-weight              : bold;
-  }
-  p.bold_left {
-    font-weight              : bold;
-    text-align               : left;
-  }
-  p.centerbold {
-    text-align               : center;
-    font-weight              : bold;
-  }
-  p.em {
-    font-weight              : bold;
-    font-style               : normal;
-    background               : #FFF3B6;
-  }
-  p.small {
-    font-size                : 80%%;
-    margin-top               : 0px;
-    margin-bottom            : 0px;
-    margin-right             : 6px;
-    text-align               : left;
-  }
-  .tiny, .tiny_left, .tiny_right, .tiny_center {
-    font-size                : 10px;
-    margin-top               : 0px;
-    margin-bottom            : 0px;
-    color                    : #EEEEEE;
-    margin-right             : 6px;
-    text-align               : left;
-  }
-  p.tiny { }
-  p.tiny_left {
-    margin-left              : 0px;
-    margin-right             : 0px;
-    text-align               : left;
-  }
-  p.tiny_right {
-    margin-right             : 1em;
-    text-align               : right;
-  }
-  p.tiny_center {
-    margin-left              : 0px;
-    margin-right             : 0px;
-    text-align               : center;
-  }
-  p.concordance_word {
-    line-height              : 150%%;
-    font-weight              : bold;
-    display                  : inline;
-    margin-top               : 4px;
-    margin-bottom            : 1px;
-  }
-  p.concordance_count {
-    font-size                : 80%%;
-    color                    : #555555;
-    display                  : inline;
-    margin-left              : 0em;
-  }
-  p.concordance_object {
-    font-size                : 80%%;
-    line-height              : 120%%;
-    text-align               : left;
-    margin-left              : 3em;
-    margin-top               : 1px;
-    margin-bottom            : 3px;
-  }
-  p.book_index_lev1 {
-    line-height              : 100%%;
-    margin-top               : 4px;
-    margin-bottom            : 1px;
-  }
-  p.book_index_lev2 {
-    line-height              : 100%%;
-    text-align               : left;
-    margin-left              : 3em;
-    margin-top               : 1px;
-    margin-bottom            : 3px;
-  }
-  tt {
-    font-family              : inconsolata, "liberation mono", "bitstream vera mono", "dejavu mono", monaco, consolas, "andale mono", "courier new", "courier 10 pitch", courier, monospace;
-    background-color         : #555555;
-    color                    : #DDDDDD;
-  }
-#+END_SRC
-
-***** paragraph indent
-
-#+name: css_dark_shared
-#+BEGIN_SRC css
-%s
-#+END_SRC
-
-***** misc including tables & lists
-
-#+name: css_dark_shared
-#+BEGIN_SRC css
-  note { white-space         : pre; }
-  label.ocn {
-    width                    : 2%%;
-    float                    : right;
-    top                      : 0;
-    font-size                : 10px;
-    margin-top               : 0px;
-    margin-bottom            : 5px;
-    margin-right             : 5px;
-    text-align               : right;
-    color                    : %s;
-    -khtml-user-select       : none;
-    -moz-user-select         : none;
-    -ms-user-select          : none;
-    -o-user-select           : none;
-    -webkit-user-select      : none;
-    user-select              : none;
-  }
-  table {
-    display                  : block;
-    margin-left              : 5%%;
-    margin-right             : 2em;
-    background-color         : inherit;
-  }
-  tr { }
-  th,td {
-    vertical-align           : top;
-    text-align               : left;
-  }
-  th {
-    font-weight              : bold;
-  }
-  em {
-    font-weight              : bold;
-    font-style               : italic;
-  }
-  p.left,th.left,td.left {
-    text-align               : left;
-  }
-  p.small_left,th.small_left,td.small_left {
-    text-align               : left;
-    font-size                : 80%%;
-  }
-  p.right,th.right,td.right {
-    text-align               : right;
-  }
-  ul, li {
-    list-style-type          : none;
-    list-style               : none;
-    padding-left             : 20px;
-    font-weight              : normal;
-    line-height              : 150%%;
-    text-align               : left;
-    text-indent              : 0mm;
-    margin-left              : 1em;
-    margin-right             : 2em;
-    margin-top               : 3px;
-    margin-bottom            : 3px;
-  }
-  li {
-    background               : (../image_sys/bullet_09.png) no-repeat 0px 6px;
-  }
-  ul { }
-#+END_SRC
-
-***** headings
-
-#+name: css_dark_shared
-#+BEGIN_SRC css
-  h0, h1, h2, h3, h4, h5, h6, h7 {
-    font-weight              : bold;
-    line-height              : 120%%;
-    text-align               : left;
-    margin-top               : 20px;
-    margin-bottom            : 10px;
-  }
-  h4.norm, h5.norm, h6.norm, h7.norm {
-    margin-top               : 10px;
-    margin-bottom            : 0px;
-  }
-  h0 { font-size             : 125%%; }
-  h1 { font-size             : 120%%; }
-  h2 { font-size             : 115%%; }
-  h3 { font-size             : 110%%; }
-  h4 { font-size             : 105%%; }
-  h5 { font-size             : 100%%; }
-  h6 { font-size             : 100%%; }
-  h7 { font-size             : 100%%; }
-  h0, h1, h2, h3, h4, h5, h6, h7 {
-    text-shadow              : .2em .2em .3em #999999;
-  }
-  h1.i { margin-left         : 2em; }
-  h2.i { margin-left         : 3em; }
-  h3.i { margin-left         : 4em; }
-  h4.i { margin-left         : 5em; }
-  h5.i { margin-left         : 6em; }
-  h6.i { margin-left         : 7em; }
-  h7.i { margin-left         : 8em; }
-  h8.i { margin-left         : 9em; }
-  h9.i { margin-left         : 10em; }
-  .toc {
-    font-weight              : normal;
-    margin-top               : 6px;
-    margin-bottom            : 6px;
-  }
-  h0.toc {
-    margin-left              : 1em;
-    font-size                : 120%%;
-    line-height              : 150%%;
-  }
-  h1.toc {
-    margin-left              : 1em;
-    font-size                : 115%%;
-    line-height              : 150%%;
-  }
-  h2.toc {
-    margin-left              : 2em;
-    font-size                : 110%%;
-    line-height              : 140%%;
-  }
-  h3.toc {
-    margin-left              : 3em;
-    font-size                : 105%%;
-    line-height              : 120%%;
-  }
-  h4.toc {
-    margin-left              : 4em;
-    font-size                : 100%%;
-    line-height              : 120%%;
-  }
-  h5.toc {
-    margin-left              : 5em;
-    font-size                : 95%%;
-    line-height              : 110%%;
-  }
-  h6.toc {
-    margin-left              : 6em;
-    font-size                : 90%%;
-    line-height              : 110%%;
-  }
-  h7.toc {
-    margin-left              : 7em;
-    font-size                : 85%%;
-    line-height              : 100%%;
-  }
-  .subtoc {
-    margin-right             : 34%%;
-    font-weight              : normal;
-  }
-  h5.subtoc {
-    margin-left              : 2em;
-    font-size                : 80%%;
-    margin-top               : 2px;
-    margin-bottom            : 2px;
-  }
-  h6.subtoc {
-    margin-left              : 3em;
-    font-size                : 75%%;
-    margin-top               : 0px;
-    margin-bottom            : 0px;
-  }
-  h7.subtoc {
-    margin-left              : 4em;
-    font-size                : 70%%;
-    margin-top               : 0px;
-    margin-bottom            : 0px;
-  }
-#+END_SRC
-
-*** html seg
-**** previous next
-
-#+name: css_dark_html_seg
-#+BEGIN_SRC css
-  .icon-bar {
-    width                    : 100%%;
-    overflow                 : auto;
-    margin                   : 0em 0em 0em;
-  }
-  .left-bar {
-    width                    : 85%%;
-    float                    : left;
-    display                  : inline;
-    overflow                 : auto;
-  }
-  .toc-button {
-    position                 : absolute;
-    top                      : 8px;
-    width                    : 2em;
-    height                   : 2em;
-    border-radius            : 50%%;
-    background               : #555555;
-    fill                     : #DDDDDD;
-    box-shadow               : 0 2px 5px #EEEEEE inset;
-  }
-  .toc-button svg {
-    position                 : relative;
-    left                     : 25%%;
-    top                      : 25%%;
-    width                    : 150%%;
-    height                   : 150%%;
-  }
-  .toc-button p {
-    vertical-align           : center;
-    font-size                : 120%%;
-  }
-  .prev-next-button {
-    position                 : absolute;
-    top                      : 8px;
-    width                    : 2em;
-    height                   : 2em;
-    border-radius            : 50%%;
-    background               : #555555;
-    box-shadow               : 0 2px 5px #AAAAAA inset;
-  }
-  .prev-next-button svg {
-    position                 : relative;
-    left                     : 20%%;
-    top                      : 20%%;
-    width                    : 60%%;
-    height                   : 60%%;
-  }
-  .menu {
-    right                    : 6em;
-   }
-  .previous {
-    right                    : 3em;
-   }
-  .next {
-    right                    : 0em;
-   }
-  .arrow {
-     fill                    : #DDDDDD;
-  }
-  .minitoc {
-    line-height              : 100%%;
-    font-size                : 90%%;
-    margin-top               : 6px;
-    margin-bottom            : 0px;
-    padding-left             : 0em;
-    text-indent              : 0em;
-    -khtml-user-select       : none;
-    -moz-user-select         : none;
-    -ms-user-select          : none;
-    -o-user-select           : none;
-    -webkit-user-select      : none;
-    user-select              : none;
-  }
-#+END_SRC
-
-**** flex
-
-#+name: css_dark_html_seg
-#+BEGIN_SRC css
-  /* flex */
-  .flex-menu-bar {
-    display                  : -webkit-flex;
-    display                  : flex;
-    -webkit-flex-wrap        : wrap;
-    -webkit-align-items      : center;
-    align-items              : center;
-    width                    : 100%%;
-    margin-left              : 5%%;
-    margin-right             : 2%%;
-    background-color         : #000000;
-  }
-  .flex-menu-option {
-    background-color         : #000000;
-    margin-right             : 4px;
-  }
-  .flex-list {
-    display                  : -webkit-flex;
-    display                  : flex;
-    -webkit-align-items      : center;
-    display                  : block;
-    align-items              : center;
-    width                    : 100%%;
-    background-color         : #000000;
-  }
-  .flex-list-item {
-    background-color         : #000000;
-    margin                   : 4px;
-  }
-#+END_SRC
-
-**** TODO grid
-
-Consider what if anything should be used here
-
-#+name: css_dark_html_seg
-#+BEGIN_SRC css
-  /* grid */
-  .wrapper {
-    display                  : grid;
-    grid-template-columns    : 100%%;
-    grid-template-areas      :
-      "headband"
-      "doc_header"
-      "doc_title"
-      "doc_toc"
-      "doc_prefix"
-      "doc_intro"
-      "doc_body"
-      "doc_endnotes"
-      "doc_glossary"
-      "doc_biblio"
-      "doc_bookindex"
-      "doc_blurb"
-      "doc_suffix";
-    margin                   : 0px;
-    padding                  : 0px;
-    background-color         : #000000;
-  }
-  .delimit {
-    border-style             : none;
-    border-color             : #000000;
-    padding                  : 10px;
-  }
-  .headband {
-    grid-area                : headband;
-    background-color         : #000000;
-  }
-  .doc_header {
-    grid-area                : doc_header;
-  }
-  .doc_title {
-    grid-area                : doc_title;
-  }
-  .doc_toc {
-    grid-area                : doc_toc;
-  }
-  .doc_prefix {
-    grid-area                : doc_prefix;
-  }
-  .doc_intro {
-    grid-area                : doc_intro;
-  }
-  .doc_body {
-    grid-area                : doc_body;
-  }
-  .doc_endnotes {
-    grid-area                : doc_endnotes;
-  }
-  .doc_glossary {
-    grid-area                : doc_glossary;
-  }
-  .doc_biblio {
-    grid-area                : doc_biblio;
-  }
-  .doc_bookindex {
-    grid-area                : doc_bookindex;
-  }
-  .doc_blurb {
-    grid-area                : doc_blurb;
-  }
-  .doc_suffix {
-    grid-area                : doc_suffix;
-  }
-  .nav-ul {
-    list-style               : none;
-    float                    : left;
-  }
-  .nav-li {
-    float                    : left;
-    padding-right            : 0.7em;
-  }
-  .nav-li a {
-    text-decoration          : none;
-    color                    : #000000;
-  }
-  footer {
-    background-color         : #FF704E;
-  }
-#+END_SRC
-
-*** html scroll
-**** flex
-
-#+name: css_dark_html_scroll
-#+BEGIN_SRC css
-  /* flex */
-  .flex-menu-bar {
-    display                  : -webkit-flex;
-    display                  : flex;
-    -webkit-flex-wrap        : wrap;
-    -webkit-align-items      : center;
-    align-items              : center;
-    width                    : 100%%;
-    margin-left              : 5%%;
-    margin-right             : 2%%;
-    background-color         : #000000;
-  }
-  .flex-menu-option {
-    background-color         : #000000;
-    margin-right             : 4px;
-  }
-  .flex-list {
-    display                  : -webkit-flex;
-    display                  : flex;
-    -webkit-align-items      : center;
-    display                  : block;
-    align-items              : center;
-    width                    : 100%%;
-    background-color         : #000000;
-  }
-  .flex-list-item {
-    background-color         : #000000;
-    margin                   : 4px;
-  }
-#+END_SRC
-
-**** grid
-
-#+name: css_dark_html_scroll
-#+BEGIN_SRC css
-  /* grid */
-  .wrapper {
-    display                  : grid;
-    grid-template-columns    : 100%%;
-    grid-template-areas      :
-      "headband"
-      "doc_header"
-      "doc_title"
-      "doc_toc"
-      "doc_prefix"
-      "doc_intro"
-      "doc_body"
-      "doc_endnotes"
-      "doc_glossary"
-      "doc_biblio"
-      "doc_bookindex"
-      "doc_blurb"
-      "doc_suffix";
-    margin                   : 0px;
-    padding                  : 0px;
-    background-color         : #000000;
-  }
-  .delimit {
-    border-style             : none;
-    border-color             : #000000;
-    padding                  : 10px;
-  }
-  .headband {
-    grid-area                : headband;
-    background-color         : #000000;
-  }
-  .doc_header {
-    grid-area                : doc_header;
-  }
-  .doc_title {
-    grid-area                : doc_title;
-  }
-  .doc_toc {
-    grid-area                : doc_toc;
-  }
-  .doc_prefix {
-    grid-area                : doc_prefix;
-  }
-  .doc_intro {
-    grid-area                : doc_intro;
-  }
-  .doc_body {
-    grid-area                : doc_body;
-  }
-  .doc_endnotes {
-    grid-area                : doc_endnotes;
-  }
-  .doc_glossary {
-    grid-area                : doc_glossary;
-  }
-  .doc_biblio {
-    grid-area                : doc_biblio;
-  }
-  .doc_bookindex {
-    grid-area                : doc_bookindex;
-  }
-  .doc_blurb {
-    grid-area                : doc_blurb;
-  }
-  .doc_suffix {
-    grid-area                : doc_suffix;
-  }
-  .nav-ul {
-    list-style               : none;
-    float                    : left;
-  }
-  .nav-li {
-    float                    : left;
-    padding-right            : 0.7em;
-  }
-  .nav-li a {
-    text-decoration          : none;
-    color                    : #000000;
-  }
-  footer {
-    background-color         : #FF704E;
-  }
-#+END_SRC
-
-*** epub xhtml
-
-#+name: css_dark_epub
-#+BEGIN_SRC css
-#+END_SRC
-
-** variables
-*** ocn (visible or hidden)
-
-#+name: css_insert_shared_insert_variable_ocn_color_values
-#+BEGIN_SRC css
-    string _color_ocn_light  = (doc_matters.opt.action.ocn_hidden) ? "#FFFFFF" : "#777777";
-    string _color_ocn_dark   = (doc_matters.opt.action.ocn_hidden) ? "#000000" : "#BBBBBB";
-#+END_SRC
-
-*** indent levels
-#+name: css_insert_shared_insert_variable_indent_values
-#+BEGIN_SRC css
-    string _css_indent = format(q"┃
-  /* indent */
-  p.norm { }
-  p.i1 { padding-left        : 1em; }
-  p.i2 { padding-left        : 2em; }
-  p.i3 { padding-left        : 3em; }
-  p.i4 { padding-left        : 4em; }
-  p.i5 { padding-left        : 5em; }
-  p.i6 { padding-left        : 6em; }
-  p.i7 { padding-left        : 7em; }
-  p.i8 { padding-left        : 8em; }
-  p.i9 { padding-left        : 9em; }
-  /* hanging indent */
-  p[indent="h0i0"] {
-    padding-left             : 0em;
-    text-indent              : 0em;
-  }
-  p[indent="h0i1"] {
-    padding-left             : 1em;
-    text-indent              : -1em;
-  }
-  p[indent="h0i2"] {
-    padding-left             : 2em;
-    text-indent              : -2em;
-  }
-  p[indent="h0i3"] {
-    padding-left             : 3em;
-    text-indent              : -3em;
-  }
-  p[indent="h0i4"] {
-    padding-left             : 4em;
-    text-indent              : -4em;
-  }
-  p[indent="h0i5"] {
-    padding-left             : 5em;
-    text-indent              : -5em;
-  }
-  p[indent="h0i6"] {
-    padding-left             : 6em;
-    text-indent              : -6em;
-  }
-  p[indent="h0i7"] {
-    padding-left             : 7em;
-    text-indent              : -7em;
-  }
-  p[indent="h0i8"] {
-    padding-left             : 8em;
-    text-indent              : -8em;
-  }
-  p[indent="h0i9"] {
-    padding-left             : 9em;
-    text-indent              : -9em;
-  }
-  p[indent="h1i0"] {
-    padding-left             : 0em;
-    text-indent              : 1em;
-  }
-  p[indent="h1i1"] {
-    padding-left             : 1em;
-    text-indent              : 0em;
-  }
-  p[indent="h1i2"] {
-    padding-left             : 2em;
-    text-indent              : -1em;
-  }
-  p[indent="h1i3"] {
-    padding-left             : 3em;
-    text-indent              : -2em;
-  }
-  p[indent="h1i4"] {
-    padding-left             : 4em;
-    text-indent              : -3em;
-  }
-  p[indent="h1i5"] {
-    padding-left             : 5em;
-    text-indent              : -4em;
-  }
-  p[indent="h1i6"] {
-    padding-left             : 6em;
-    text-indent              : -5em;
-  }
-  p[indent="h1i7"] {
-    padding-left             : 7em;
-    text-indent              : -6em;
-  }
-  p[indent="h1i8"] {
-    padding-left             : 8em;
-    text-indent              : -7em;
-  }
-  p[indent="h1i9"] {
-    padding-left             : 9em;
-    text-indent              : -8em;
-  }
-  p[indent="h2i0"] {
-    padding-left             : 0em;
-    text-indent              : 2em;
-  }
-  p[indent="h2i1"] {
-    padding-left             : 1em;
-    text-indent              : 1em;
-  }
-  p[indent="h2i2"] {
-    padding-left             : 2em;
-    text-indent              : 0em;
-  }
-  p[indent="h2i3"] {
-    padding-left             : 3em;
-    text-indent              : -1em;
-  }
-  p[indent="h2i4"] {
-    padding-left             : 4em;
-    text-indent              : -2em;
-  }
-  p[indent="h2i5"] {
-    padding-left             : 5em;
-    text-indent              : -3em;
-  }
-  p[indent="h2i6"] {
-    padding-left             : 6em;
-    text-indent              : -4em;
-  }
-  p[indent="h2i7"] {
-    padding-left             : 7em;
-    text-indent              : -5em;
-  }
-  p[indent="h2i8"] {
-    padding-left             : 8em;
-    text-indent              : -6em;
-  }
-  p[indent="h2i9"] {
-    padding-left             : 9em;
-    text-indent              : -7em;
-  }
-  p[indent="h3i0"] {
-    padding-left             : 0em;
-    text-indent              : 3em;
-  }
-  p[indent="h3i1"] {
-    padding-left             : 1em;
-    text-indent              : 2em;
-  }
-  p[indent="h3i2"] {
-    padding-left             : 2em;
-    text-indent              : 1em;
-  }
-  p[indent="h3i3"] {
-    padding-left             : 3em;
-    text-indent              : 0em;
-  }
-  p[indent="h3i4"] {
-    padding-left             : 4em;
-    text-indent              : -1em;
-  }
-  p[indent="h3i5"] {
-    padding-left             : 5em;
-    text-indent              : -2em;
-  }
-  p[indent="h3i6"] {
-    padding-left             : 6em;
-    text-indent              : -3em;
-  }
-  p[indent="h3i7"] {
-    padding-left             : 7em;
-    text-indent              : -4em;
-  }
-  p[indent="h3i8"] {
-    padding-left             : 8em;
-    text-indent              : -5em;
-  }
-  p[indent="h3i9"] {
-    padding-left             : 9em;
-    text-indent              : -6em;
-  }
-  p[indent="h4i0"] {
-    padding-left             : 0em;
-    text-indent              : 4em;
-  }
-  p[indent="h4i1"] {
-    padding-left             : 1em;
-    text-indent              : 3em;
-  }
-  p[indent="h4i2"] {
-    padding-left             : 2em;
-    text-indent              : 2em;
-  }
-  p[indent="h4i3"] {
-    padding-left             : 3em;
-    text-indent              : 1em;
-  }
-  p[indent="h4i4"] {
-    padding-left             : 4em;
-    text-indent              : 0em;
-  }
-  p[indent="h4i5"] {
-    padding-left             : 5em;
-    text-indent              : -1em;
-  }
-  p[indent="h4i6"] {
-    padding-left             : 6em;
-    text-indent              : -2em;
-  }
-  p[indent="h4i7"] {
-    padding-left             : 7em;
-    text-indent              : -3em;
-  }
-  p[indent="h4i8"] {
-    padding-left             : 8em;
-    text-indent              : -4em;
-  }
-  p[indent="h4i9"] {
-    padding-left             : 9em;
-    text-indent              : -5em;
-  }
-  p[indent="h5i0"] {
-    padding-left             : 0em;
-    text-indent              : 5em;
-  }
-  p[indent="h5i1"] {
-    padding-left             : 1em;
-    text-indent              : 4em;
-  }
-  p[indent="h5i2"] {
-    padding-left             : 2em;
-    text-indent              : 3em;
-  }
-  p[indent="h5i3"] {
-    padding-left             : 3em;
-    text-indent              : 2em;
-  }
-  p[indent="h5i4"] {
-    padding-left             : 4em;
-    text-indent              : 1em;
-  }
-  p[indent="h5i5"] {
-    padding-left             : 5em;
-    text-indent              : 0em;
-  }
-  p[indent="h5i6"] {
-    padding-left             : 6em;
-    text-indent              : -1em;
-  }
-  p[indent="h5i7"] {
-    padding-left             : 7em;
-    text-indent              : -2em;
-  }
-  p[indent="h5i8"] {
-    padding-left             : 8em;
-    text-indent              : -3em;
-  }
-  p[indent="h5i9"] {
-    padding-left             : 9em;
-    text-indent              : -4em;
-  }
-  p[indent="h6i0"] {
-    padding-left             : 0em;
-    text-indent              : 6em;
-  }
-  p[indent="h6i1"] {
-    padding-left             : 1em;
-    text-indent              : 5em;
-  }
-  p[indent="h6i2"] {
-    padding-left             : 2em;
-    text-indent              : 4em;
-  }
-  p[indent="h6i3"] {
-    padding-left             : 3em;
-    text-indent              : 3em;
-  }
-  p[indent="h6i4"] {
-    padding-left             : 4em;
-    text-indent              : 2em;
-  }
-  p[indent="h6i5"] {
-    padding-left             : 5em;
-    text-indent              : 1em;
-  }
-  p[indent="h6i6"] {
-    padding-left             : 6em;
-    text-indent              : 0em;
-  }
-  p[indent="h6i7"] {
-    padding-left             : 7em;
-    text-indent              : -1em;
-  }
-  p[indent="h6i8"] {
-    padding-left             : 8em;
-    text-indent              : -2em;
-  }
-  p[indent="h6i9"] {
-    padding-left             : 9em;
-    text-indent              : -3em;
-  }
-  p[indent="h7i0"] {
-    padding-left             : 0em;
-    text-indent              : 7em;
-  }
-  p[indent="h7i1"] {
-    padding-left             : 1em;
-    text-indent              : 6em;
-  }
-  p[indent="h7i2"] {
-    padding-left             : 2em;
-    text-indent              : 5em;
-  }
-  p[indent="h7i3"] {
-    padding-left             : 3em;
-    text-indent              : 4em;
-  }
-  p[indent="h7i4"] {
-    padding-left             : 4em;
-    text-indent              : 3em;
-  }
-  p[indent="h7i5"] {
-    padding-left             : 5em;
-    text-indent              : 2em;
-  }
-  p[indent="h7i6"] {
-    padding-left             : 6em;
-    text-indent              : 1em;
-  }
-  p[indent="h7i7"] {
-    padding-left             : 7em;
-    text-indent              : 0em;
-  }
-  p[indent="h7i8"] {
-    padding-left             : 8em;
-    text-indent              : -1em;
-  }
-  p[indent="h7i9"] {
-    padding-left             : 9em;
-    text-indent              : -2em;
-  }
-  p[indent="h8i0"] {
-    padding-left             : 0em;
-    text-indent              : 8em;
-  }
-  p[indent="h8i1"] {
-    padding-left             : 1em;
-    text-indent              : 7em;
-  }
-  p[indent="h8i2"] {
-    padding-left             : 2em;
-    text-indent              : 6em;
-  }
-  p[indent="h8i3"] {
-    padding-left             : 3em;
-    text-indent              : 5em;
-  }
-  p[indent="h8i4"] {
-    padding-left             : 4em;
-    text-indent              : 4em;
-  }
-  p[indent="h8i5"] {
-    padding-left             : 5em;
-    text-indent              : 3em;
-  }
-  p[indent="h8i6"] {
-    padding-left             : 6em;
-    text-indent              : 2em;
-  }
-  p[indent="h8i7"] {
-    padding-left             : 7em;
-    text-indent              : 1em;
-  }
-  p[indent="h8i8"] {
-    padding-left             : 8em;
-    text-indent              : 0em;
-  }
-  p[indent="h8i9"] {
-    padding-left             : 9em;
-    text-indent              : -1em;
-  }
-  p[indent="h9i0"] {
-    padding-left             : 0em;
-    text-indent              : 9em;
-  }
-  p[indent="h9i1"] {
-    padding-left             : 1em;
-    text-indent              : 8em;
-  }
-  p[indent="h9i2"] {
-    padding-left             : 2em;
-    text-indent              : 7em;
-  }
-  p[indent="h9i3"] {
-    padding-left             : 3em;
-    text-indent              : 6em;
-  }
-  p[indent="h9i4"] {
-    padding-left             : 4em;
-    text-indent              : 5em;
-  }
-  p[indent="h9i5"] {
-    padding-left             : 5em;
-    text-indent              : 4em;
-  }
-  p[indent="h9i6"] {
-    padding-left             : 6em;
-    text-indent              : 3em;
-  }
-  p[indent="h9i7"] {
-    padding-left             : 7em;
-    text-indent              : 2em;
-  }
-  p[indent="h9i8"] {
-    padding-left             : 8em;
-    text-indent              : 1em;
-  }
-  p[indent="h9i9"] {
-    padding-left             : 9em;
-    text-indent              : 0em;
-  }
-┃");
-#+END_SRC
-
-* __END__
diff --git a/org/output_zip.org b/org/output_zip.org
deleted file mode 100644
index 3007412..0000000
--- a/org/output_zip.org
+++ /dev/null
@@ -1,45 +0,0 @@
--*- mode: org -*-
-#+TITLE:       spine (doc_reform) output zip
-#+AUTHOR:      Ralph Amissah
-#+EMAIL:       [[mailto:ralph.amissah@gmail.com][ralph.amissah@gmail.com]]
-#+COPYRIGHT:   Copyright (C) 2015 - 2019 Ralph Amissah
-#+DESCRIPTION: documents - structuring, publishing in multiple formats & search
-#+KEYWORDS
-#+LANGUAGE:    en
-#+STARTUP:     indent content hideblocks hidestars
-#+OPTIONS:     H:3 num:nil toc:t \n:nil @:t ::t |:t ^:nil _:nil -:t f:t *:t <:t
-#+OPTIONS:     TeX:t LaTeX:t skip:nil d:nil todo:t pri:nil tags:not-in-toc
-#+OPTIONS:     author:nil email:nil creator:nil timestamp:nil
-#+PROPERTY:    header-args :padline no :exports code :cache no :noweb yes
-#+EXPORT_SELECT_TAGS:  export
-#+EXPORT_EXCLUDE_TAGS: noexport
-#+FILETAGS:            :spine:rel:output:
-#+TAGS: assert(a) class(c) debug(d) mixin(m) spine(s) tangle(T) template(t) WEB(W) noexport(n)
-
-- [[./spine.org][spine]]  [[./][org/]]
-- [[./output_hub.org][output_hub]]
-
-* _zip_                                     :module:spine:create_zip_file:
-** module template
-
-#+BEGIN_SRC d :tangle "../src/doc_reform/output/create_zip_file.d"
-module doc_reform.output.create_zip_file;
-template createZipFile() {
-  import std.file;
-  import std.outbuffer;
-  import std.string;
-  import std.zip;
-  void createZipFile(
-    string zip_file_name,
-    void[] compressed_zip_data,
-  ) {
-    try {
-      write(zip_file_name, compressed_zip_data);
-    } catch (ZipException ex) {
-      // Handle Errors
-    }
-  }
-}
-#+END_SRC
-
-* __END__
diff --git a/org/source_files_read.org b/org/source_files_read.org
deleted file mode 100644
index 121b070..0000000
--- a/org/source_files_read.org
+++ /dev/null
@@ -1,667 +0,0 @@
--*- mode: org -*-
-#+TITLE:       spine (doc_reform) markup source raw
-#+DESCRIPTION: documents - structuring, publishing in multiple formats & search
-#+FILETAGS:    :spine:sourcefile:read:
-#+AUTHOR:      Ralph Amissah
-#+EMAIL:       [[mailto:ralph.amissah@gmail.com][ralph.amissah@gmail.com]]
-#+COPYRIGHT:   Copyright (C) 2015 - 2019 Ralph Amissah
-#+LANGUAGE:    en
-#+STARTUP:     indent content hideblocks hidestars
-#+OPTIONS:     H:3 num:nil toc:t \n:nil @:t ::t |:t ^:nil _:nil -:t f:t *:t <:t
-#+OPTIONS:     TeX:t LaTeX:t skip:nil d:nil todo:t pri:nil tags:not-in-toc
-#+OPTIONS:     author:nil email:nil creator:nil timestamp:nil
-#+PROPERTY:    header-args :padline no :exports code :cache no :noweb yes
-#+EXPORT_SELECT_TAGS:  export
-#+EXPORT_EXCLUDE_TAGS: noexport
-#+TAGS: assert(a) class(c) debug(d) mixin(m) spine(s) tangle(T) template(t) WEB(W) noexport(n)
-
-[[./spine.org][spine]]  [[./][org/]]
-* imports
-
-#+name: imports_std
-#+BEGIN_SRC d
-import
-  doc_reform.meta,
-  doc_reform.source.paths_source,
-  std.file,
-  std.path;
-#+END_SRC
-
-* A. get _config file_ (read in)
-** _module template_                                     :module:config_files:
-
-#+BEGIN_SRC d :tangle "../src/doc_reform/source/read_config_files.d"
-/++
-  read configuration files<BR>
-  - read config files<BR>
-  meta_config_files.d
-+/
-module doc_reform.source.read_config_files;
-<<meta_config_file_in>>
-<<meta_config_file_hub>>
-#+END_SRC
-
-*** 0. read config files (config_local_site & dr_document_make) (yaml)
-**** 1. site configuration
-
-#+name: meta_config_file_hub
-#+BEGIN_SRC d
-static template readConfigSite() {
-  import
-    doc_reform.meta.rgx;
-  <<imports_std>>
-  mixin DocReformRgxInit;
-  final auto readConfigSite(M,E)(
-    M      _manifested,
-    E      _env,
-    string _cli_config_path_set = ""
-  ) {
-    static auto rgx = Rgx();
-    string config_file_str;
-    string conf_filename = "NONE";
-    auto _conf_file_details = ConfigFilePaths!()(_manifested, _env, _cli_config_path_set);
-    string[] possible_config_path_locations = _conf_file_details.possible_config_path_locations.config_local_site;
-    foreach(conf_fn; [_conf_file_details.config_filename_site]) {
-      foreach(pth; possible_config_path_locations) {
-        char[] conf_file;
-        conf_filename = conf_fn;
-        if (exists(pth)) {
-          auto f_attrib = pth.getLinkAttributes;
-          if (
-            possible_config_path_locations.length == 1
-            && f_attrib.attrIsFile
-          ) {
-            conf_file = pth.to!(char[]);
-            conf_filename = pth.baseName;
-          } else if (f_attrib.attrIsDir) {
-            conf_file = ((chainPath(pth.to!string, conf_fn)).asNormalizedPath).array;
-            conf_filename = conf_fn;
-          }
-          try {
-            if (exists(conf_file)) {
-              if (conf_file.getLinkAttributes.attrIsFile) {
-                config_file_str = conf_file.readText;
-                break;
-              }
-            }
-          } catch (ErrnoException ex) {
-          } catch (FileException ex) {
-          }
-        }
-      }
-      if (config_file_str.length > 0) { break; }
-    }
-    struct _ConfContent {
-      string filename() {
-        return conf_filename;
-      }
-      string filetype() {
-        string _ft = "";
-        if (content.match(rgx.yaml_config)) {
-          _ft = "yaml";
-        }
-        return _ft;
-      }
-      string content() {
-        return config_file_str;
-      }
-    }
-    return _ConfContent();
-  }
-}
-#+END_SRC
-
-**** 2. document make/config
-
-#+name: meta_config_file_hub
-#+BEGIN_SRC d
-static template readConfigDoc() {
-  import
-    doc_reform.meta.rgx;
-  <<imports_std>>
-  mixin DocReformRgxInit;
-  final auto readConfigDoc(M,E)(M _manifested, E _env) {
-    static auto rgx = Rgx();
-    string config_file_str;
-    string conf_filename = "NONE";
-    auto _conf_file_details = ConfigFilePaths!()(_manifested, _env);
-    string[] possible_config_path_locations = _conf_file_details.possible_config_path_locations.dr_document_make;
-    foreach(conf_fn; [_conf_file_details.config_filename_document]) {
-      foreach(pth; possible_config_path_locations) {
-        auto conf_file = ((chainPath(pth.to!string, conf_fn)).asNormalizedPath).array;
-        conf_filename = conf_fn;
-        if (config_file_str.length > 0) {
-          break;
-        }
-        try {
-          if (exists(conf_file)) {
-            if (conf_file.getLinkAttributes.attrIsFile) {
-              config_file_str = conf_file.readText;
-              break;
-            }
-          }
-        } catch (ErrnoException ex) {
-        } catch (FileException ex) {
-        }
-      }
-      if (config_file_str.length > 0) { break; }
-    }
-    struct _ConfContent {
-      string filename() {
-        return conf_filename;
-      }
-      string content() {
-        return config_file_str;
-      }
-      string filetype() {
-        string _ft = "";
-        if (content.match(rgx.yaml_config)) {
-          _ft = "yaml";
-        }
-        return _ft;
-      }
-    }
-    return _ConfContent();
-  }
-}
-#+END_SRC
-
-*** 1. YAML config files get
-
-#+name: meta_config_file_yaml
-#+BEGIN_SRC d
-static template configYAML() {
-  import dyaml; //
-  <<imports_std>>
-  YAMLDocument configYAML(string configuration, string conf_yaml_filename) {
-    Node _yaml_conf;
-    try {
-      _yaml_conf = Loader.fromString(configuration).load()
-    } catch(ErrnoException e) {
-      stderr.writeln("Yaml problem with content for ", conf_yaml_filename);
-      stderr.writeln(e.msg);
-    }
-    return _yaml_conf;
-  }
-}
-#+END_SRC
-
-*** 2. YAML config (config_local_site & dr_document_make) :file:config:hub:
-
-#+name: meta_config_file_hub
-#+BEGIN_SRC d
-static template configReadSiteYAML() {
-  <<imports_std>>
-  final YAMLDocument configReadSiteYAML(M,E)(M _manifested, E _env) {
-    string _configuration = configReadInSiteYAML!()(_manifested, _env);
-    auto _conf_file_details = ConfigFilePaths!()(_manifested, _env);
-    string _conf_yaml_fn = _conf_file_details.config_filename_site;
-    YAMLDocument _yaml_conf = configYAML!()(_configuration, _conf_yaml_fn);
-    return _yaml_conf;
-  }
-}
-static template configReadDocYAML() {
-  <<imports_std>>
-  final YAMLDocument configReadDocYAML(M,E)(M _manifested, E _env) {
-    string _configuration = configReadInDocYAML!()(_manifested, _env);
-    auto _conf_file_details = ConfigFilePaths!()(_manifested, _env);
-    string _conf_yaml_fn = _conf_file_details.config_filename_document;
-    YAMLDocument _yaml_conf = configYAML!()(_configuration, _conf_yaml_fn);
-    return _yaml_conf;
-  }
-}
-#+END_SRC
-
-* B. get _markup source_, read file                       :module:source_files:
-** _module template_ (includes tuple)
-
-#+BEGIN_SRC d :tangle "../src/doc_reform/source/read_source_files.d"
-/++
-  module source_read_source_files;<BR>
-  - open markup files<BR>
-  - if master file scan for addional files to import/insert
-+/
-module doc_reform.source.read_source_files;
-static template DocReformRawMarkupContent() {
-  import
-    doc_reform.meta.rgx;
-  <<imports_std>>
-  mixin DocReformRgxInit;
-  static auto rgx = Rgx();
-  string[] _images=[];
-  auto _extract_images(S)(S content_block) {
-    string[] images_;
-    string _content_block = content_block.to!string;
-    if (auto m = _content_block.matchAll(rgx.image)) {
-      images_ ~= m.captures[1].to!string;
-    }
-    return images_;
-  }
-  auto rawsrc = RawMarkupContent();
-  auto DocReformRawMarkupContent(O,Fn)(O _opt_action, Fn fn_src) {
-    auto _0_header_1_body_content_2_insert_filelist_tuple
-      = rawsrc.sourceContentSplitIntoHeaderAndBody(_opt_action, rawsrc.sourceContent(fn_src), fn_src);
-    return _0_header_1_body_content_2_insert_filelist_tuple;
-  }
-  struct RawMarkupContent {
-    final sourceContent(in string fn_src) {
-      auto raw = MarkupRawUnit();
-      auto source_txt_str
-        = raw.markupSourceReadIn(fn_src);
-      return source_txt_str;
-    }
-    final auto sourceContentSplitIntoHeaderAndBody(O)(O _opt_action, in string source_txt_str, in string fn_src="") {
-      auto raw = MarkupRawUnit();
-      string[] insert_file_list;
-      string[] images_list;
-      auto t
-        = raw.markupSourceHeaderContentRawLineTupleArray(source_txt_str);
-      auto header_raw = t[0];
-      auto sourcefile_body_content = t[1];
-      if (fn_src.match(rgx.src_fn_master)) { // filename with path needed if master file (.ssm) not otherwise
-        auto ins = Inserts();
-        auto tu
-          = ins.scan_master_src_for_insert_files_and_import_content(_opt_action, sourcefile_body_content, fn_src);
-        static assert(!isTypeTuple!(tu));
-        sourcefile_body_content = tu[0];
-        insert_file_list = tu[1].dup;
-        images_list = tu[2].dup;
-      } else if (_opt_action.source || _opt_action.pod) {
-        auto ins = Inserts();
-        auto tu
-          = ins.scan_master_src_for_insert_files_and_import_content(_opt_action, sourcefile_body_content, fn_src);
-        static assert(!isTypeTuple!(tu));
-        images_list = tu[2].dup;
-      }
-      string header_type = "";
-      if (header_raw.match(rgx.yaml_config)) {
-        header_type = "yaml";
-      }
-      t = tuple(
-        header_raw,
-        sourcefile_body_content,
-        header_type,
-        insert_file_list,
-        images_list
-      );
-      static assert(t.length==5);
-      return t;
-    }
-  }
-  struct MarkupRawUnit {
-    import std.file;
-    <<meta_markup_source_raw_read_file_source_string>>
-    <<meta_markup_source_raw_doc_header_and_content_split>>
-    <<meta_markup_source_raw_source_line_array>>
-    <<meta_markup_source_raw_read_in_file>>
-    <<meta_markup_source_raw_tuple_of_header_and_body>>
-    <<meta_markup_source_raw_get_insert_source_line_array>>
-  }
-  struct Inserts {
-    auto scan_subdoc_source(O)(
-      O        _opt_action,
-      char[][] markup_sourcefile_insert_content,
-      string   fn_src
-    ) {
-      mixin DocReformRgxInitFlags;
-      <<meta_inserts_scan>>
-      foreach (line; markup_sourcefile_insert_content) {
-        <<meta_inserts_scan_loop>>
-      } // end src subdoc (inserts) loop
-      <<meta_inserts_scan_post>>
-    }
-    auto scan_master_src_for_insert_files_and_import_content(O)(
-      O        _opt_action,
-      char[][] sourcefile_body_content,
-      string   fn_src
-    ) {
-      import std.algorithm;
-      mixin DocReformRgxInitFlags;
-      <<meta_master_doc_scan_for_insert_filenames>>
-      foreach (line; sourcefile_body_content) {
-        <<meta_master_doc_scan_for_insert_filenames_loop>>
-      } // end src doc loop
-      <<meta_master_doc_scan_for_insert_filenames_post>>
-    }
-  }
-}
-#+END_SRC
-
-** get markup source, read file                              :source:markup:
-*** read file, source string [#A]                                  :string:
-
-#+name: meta_markup_source_raw_read_file_source_string
-#+BEGIN_SRC d
-final private string readInMarkupSource(in char[] fn_src) {
-  enforce(
-    exists(fn_src)!=0,
-    "file not found: «" ~
-    fn_src ~ "»"
-  );
-  string source_txt_str;
-  try {
-    if (exists(fn_src)) {
-      if (fn_src.getLinkAttributes.attrIsFile) {
-        source_txt_str = fn_src.readText;
-      } else {
-      }
-    }
-  } catch (ErrnoException ex) {
-  } catch (UTFException ex) {
-    // Handle validation errors
-  } catch (FileException ex) {
-    // Handle errors
-  }
-  std.utf.validate(source_txt_str);
-  return source_txt_str;
-}
-#+END_SRC
-
-*** document header & content, array.length == 2 [#A]               :array:
-
-here you split document header and body, an array.length == 2
-split is on first match of level A~ (which is required)
-
-#+name: meta_markup_source_raw_doc_header_and_content_split
-#+BEGIN_SRC d
-final private char[][] header0Content1(in string src_text) {
-  /+ split string on _first_ match of "^:?A~\s" into [header, content] array/tuple +/
-  char[][] header_and_content;
-  auto m = (cast(char[]) src_text).matchFirst(rgx.heading_a);
-  header_and_content ~= m.pre;
-  header_and_content ~= m.hit ~ m.post;
-  assert(header_and_content.length == 2,
-    "document markup is broken, header body split == "
-    ~ header_and_content.length.to!string
-    ~ "; (header / body array split should == 2 (split is on level A~))"
-  );
-  return header_and_content;
-}
-#+END_SRC
-
-*** source line array                                               :array:
-
-#+name: meta_markup_source_raw_source_line_array
-#+BEGIN_SRC d
-final private char[][] markupSourceLineArray(in char[] src_text) {
-  char[][] source_line_arr
-    = (cast(char[]) src_text).split(rgx.newline_eol_strip_preceding);
-  return source_line_arr;
-}
-#+END_SRC
-
-*** source content raw line array                                   :array:
-- used for regular .sst files; master .ssm files and; .ssi inserts
-- regex is passed for relevant enforce match
-
-**** read in file
-
-#+name: meta_markup_source_raw_read_in_file
-#+BEGIN_SRC d
-auto markupSourceReadIn(in string fn_src) {
-  static auto rgx = Rgx();
-  enforce(
-    fn_src.match(rgx.src_pth_sst_or_ssm),
-    "not a dr markup filename: «" ~
-    fn_src ~ "»"
-  );
-  auto source_txt_str = readInMarkupSource(fn_src);
-  return source_txt_str;
-}
-#+END_SRC
-
-**** tuple (a) header, (b) body content, (c) file insert list & (d) image list?
-
-- header
-- body content
-- file insert list
-- [image list?]
-
-#+name: meta_markup_source_raw_tuple_of_header_and_body
-#+BEGIN_SRC d
-auto markupSourceHeaderContentRawLineTupleArray(in string source_txt_str) {
-  string[] file_insert_list = [];
-  string[] images_list = [];
-  char[][] hc = header0Content1(source_txt_str);
-  char[] header = hc[0];
-  char[] source_txt = hc[1];
-  auto source_line_arr = markupSourceLineArray(source_txt);
-  string header_type = "";
-  if (header.match(rgx.yaml_config)) {
-    header_type = "yaml";
-  }
-  auto t = tuple(
-    header,
-    source_line_arr,
-    header_type,
-    file_insert_list,
-    images_list
-  );
-  return t;
-}
-#+END_SRC
-
-**** get insert source line array
-
-#+name: meta_markup_source_raw_get_insert_source_line_array
-#+BEGIN_SRC d
-final char[][] getInsertMarkupSourceContentRawLineArray(
-  in char[]    fn_src_insert,
-  Regex!(char) rgx_file
-) {
-  enforce(
-    fn_src_insert.match(rgx_file),
-    "not a dr markup filename: «" ~
-    fn_src_insert  ~ "»"
-  );
-  auto source_txt_str = readInMarkupSource(fn_src_insert);
-  auto source_line_arr = markupSourceLineArray(source_txt_str);
-  return source_line_arr;
-}
-#+END_SRC
-
-** get markup source, master file & inserts             :masterfile:inserts:
-[[./spine.org][spine]]  [[./][org/]]
-
-*** scan inserts (sub-document) source                    :scan_insert_src:
-**** scan subdoc source
-
-#+name: meta_inserts_scan
-#+BEGIN_SRC d
-char[][] contents_insert;
-int[string] type1 = flags_type_init;
-auto fn_pth_full = fn_src.match(rgx.src_pth_sst_or_ssm);
-auto markup_src_file_path = fn_pth_full.captures[1];
-#+END_SRC
-
-**** loop insert (sub-document)
-
-#+name: meta_inserts_scan_loop
-#+BEGIN_SRC d
-if (type1["curly_code"] == 1) {
-  type1["header_make"] = 0;
-  type1["header_meta"] = 0;
-  if (line.matchFirst(rgx.block_curly_code_close)) {
-    type1["curly_code"] = 0;
-  }
-  contents_insert ~= line;
-} else if (line.matchFirst(rgx.block_curly_code_open)) {
-  type1["curly_code"] = 1;
-  type1["header_make"] = 0;
-  type1["header_meta"] = 0;
-  contents_insert ~= line;
-} else if (type1["tic_code"] == 1) {
-  type1["header_make"] = 0;
-  type1["header_meta"] = 0;
-  if (line.matchFirst(rgx.block_tic_close)) {
-    type1["tic_code"] = 0;
-  }
-  contents_insert ~= line;
-} else if (line.matchFirst(rgx.block_tic_code_open)) {
-  type1["tic_code"] = 1;
-  type1["header_make"] = 0;
-  type1["header_meta"] = 0;
-  contents_insert ~= line;
-} else if (auto m = line.match(rgx.insert_src_fn_ssi_or_sst)) {
-  type1["header_make"] = 0;
-  type1["header_meta"] = 0;
-  auto insert_fn = m.captures[2];
-  auto insert_sub_pth = m.captures[1];
-  auto fn_src_insert
-    = chainPath(markup_src_file_path, insert_sub_pth ~ insert_fn).array;
-  auto raw = MarkupRawUnit();
-  auto markup_sourcesubfile_insert_content
-    = raw.getInsertMarkupSourceContentRawLineArray(fn_src_insert, rgx.src_fn_find_inserts);
-  debug(insert_file) {
-    writeln(line);
-    writeln(fn_src_insert);
-    writeln(
-      "  length contents insert array: ",
-      markup_sourcesubfile_insert_content.length
-    );
-  }
-  if (_opt_action.source || _opt_action.pod) {
-    _images ~= _extract_images(markup_sourcesubfile_insert_content);
-  }
-  auto ins = Inserts();
-  /+
-    - 1. load file
-    - 2. read lines
-    - 3. scan lines
-      - a. if filename insert, and insert filename
-         - repeat 1
-      - b. else
-         - add line to new array;
-         - build image list, search for any image files to add to image list
-  +/
-} else {
-  type1["header_make"] = 0;
-  type1["header_meta"] = 0;
-  contents_insert ~= line; // images to extract for image list?
-  if (_opt_action.source || _opt_action.pod) {
-    auto _image_linelist = _extract_images(line);
-    if (_image_linelist.length > 0) {
-      _images ~= _image_linelist;
-    }
-  }
-}
-#+END_SRC
-
-**** post loop
-
-#+name: meta_inserts_scan_post
-#+BEGIN_SRC d
-auto t = tuple(
-  contents_insert,
-  _images
-);
-return t;
-#+END_SRC
-
-*** scan document source                                         :scan_src:
-**** scan doc source
-
-#+name: meta_master_doc_scan_for_insert_filenames
-#+BEGIN_SRC d
-char[][] contents;
-int[string] type = flags_type_init;
-auto fn_pth_full = fn_src.match(rgx.src_pth_sst_or_ssm);
-auto markup_src_file_path = fn_pth_full.captures[1];
-char[][] contents_insert;
-string[] _images =[];
-string[] insert_file_list =[];
-#+END_SRC
-
-**** include inserts: _loop master_ scan for inserts (insert documents)
-
-#+name: meta_master_doc_scan_for_insert_filenames_loop
-#+BEGIN_SRC d
-if (type["curly_code"] == 1) {
-  if (line.matchFirst(rgx.block_curly_code_close)) {
-    type["curly_code"] = 0;
-  }
-  contents ~= line;
-} else if (line.matchFirst(rgx.block_curly_code_open)) {
-  type["curly_code"] = 1;
-  contents ~= line;
-} else if (type["tic_code"] == 1) {
-  if (line.matchFirst(rgx.block_tic_close)) {
-    type["tic_code"] = 0;
-  }
-  contents ~= line;
-} else if (line.matchFirst(rgx.block_tic_code_open)) {
-  type["tic_code"] = 1;
-  contents ~= line;
-} else if (auto m = line.match(rgx.insert_src_fn_ssi_or_sst)) {
-  auto insert_fn = m.captures[2];
-  auto insert_sub_pth = m.captures[1];
-  auto fn_src_insert
-    = chainPath(markup_src_file_path, insert_sub_pth ~ insert_fn).array;
-    insert_file_list ~= fn_src_insert.to!string;
-  auto raw = MarkupRawUnit();
-  /+ TODO +/
-  auto markup_sourcefile_insert_content
-    = raw.getInsertMarkupSourceContentRawLineArray(fn_src_insert, rgx.src_fn_find_inserts);
-  debug(insert_file) {
-    writeln(line);
-    writeln(fn_src_insert);
-    writeln(
-      "  length contents insert array: ",
-      markup_sourcefile_insert_content.length
-    );
-  }
-  auto ins = Inserts();
-  auto contents_insert_tu = ins.scan_subdoc_source(
-    _opt_action,
-    markup_sourcefile_insert_content,
-    fn_src_insert.to!string
-  );
-  contents ~= contents_insert_tu[0]; // images to extract for image list?
-  if (_opt_action.source || _opt_action.pod) {
-    auto _image_linelist = _extract_images(contents_insert_tu[0]);
-    if (_image_linelist.length > 0) {
-      _images ~= _image_linelist;
-    }
-  }
-  /+
-    - 1. load file
-    - 2. read lines
-    - 3. scan lines
-      - a. if filename insert, and insert filename
-         - repeat 1
-      - b. else
-         - add line to new array;
-         - build image list, search for any image files to add to image list
-  +/
-} else {
-  contents ~= line;
-  if (_opt_action.source || _opt_action.pod) {
-    auto _image_linelist = _extract_images(line);
-    if (_image_linelist.length > 0) {
-      _images ~= _image_linelist;
-    }
-  }
-}
-#+END_SRC
-
-**** post loop
-
-#+name: meta_master_doc_scan_for_insert_filenames_post
-#+BEGIN_SRC d
-string[] images = [];
-foreach(i; uniq(_images.sort())) {
-  images ~= i;
-}
-debug(insert_file) {
-  writeln(__LINE__);
-  writeln(contents.length);
-}
-auto t = tuple(
-  contents,
-  insert_file_list,
-  images
-);
-return t;
-#+END_SRC
-
-* __END__
-- 
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