reduce use of auto, much with tuples

25 files changed, 232 insertions, 160 deletions

diff --git a/org/default_misc.org b/org/default_misc.org
index 8988f3e..5351c30 100644
--- a/org/default_misc.org
+++ b/org/default_misc.org
@@ -292,7 +292,7 @@ template InternalMarkup() {
     string tc_p                   = "┆";
     string img                    = "☼";
     string sep                    = "␣";
-    string on_o  = "「";       auto on_c  = "」";
+    string on_o  = "「";       string on_c  = "」";
     string mk_bullet               = "● ";
     static string indent_by_spaces_provided(int indent, string _indent_spaces ="░░") {
       _indent_spaces = replicate(_indent_spaces, indent);
diff --git a/org/in_source_files.org b/org/in_source_files.org
index cb95fda..7ea9bae 100644
--- a/org/in_source_files.org
+++ b/org/in_source_files.org
@@ -267,7 +267,7 @@ static template spineRawMarkupContent() {
   mixin spineRgxInit;
   static auto rgx = Rgx();
   string[] _images=[];
-  auto _extract_images(S)(S content_block) @safe {
+  string[] _extract_images(S)(S content_block) @safe {
     string[] images_;
     string _content_block = content_block.to!string;
     if (auto m = _content_block.matchAll(rgx.image)) {
@@ -276,6 +276,17 @@ static template spineRawMarkupContent() {
     return images_;
   }
   auto rawsrc = RawMarkupContent();
+  alias ContentsInsertsImages = Tuple!(
+    char[][], "contents",
+    string[], "insert_files",
+    string[], "images"
+  );
+  alias HeaderContentInsertsImages = Tuple!(
+    char[],   "header",
+    char[][], "src_txt",
+    string[], "insert_files",
+    string[], "images"
+  );
   auto spineRawMarkupContent(O,Fn)(O _opt_action, Fn fn_src) @safe {
     auto _0_header_1_body_content_2_insert_filelist_tuple
       = rawsrc.sourceContentSplitIntoHeaderAndBody(_opt_action, rawsrc.sourceContent(fn_src), fn_src);
@@ -284,7 +295,7 @@ static template spineRawMarkupContent() {
   struct RawMarkupContent {
     final sourceContent(in string fn_src) {
       auto raw = MarkupRawUnit();
-      auto source_txt_str
+      string source_txt_str
         = raw.markupSourceReadIn(fn_src);
       return source_txt_str;
     }
@@ -296,22 +307,22 @@ static template spineRawMarkupContent() {
       auto raw = MarkupRawUnit();
       string[] insert_file_list;
       string[] images_list;
-      Tuple!(char[], char[][], string[], string[]) t
+      HeaderContentInsertsImages t
         = raw.markupSourceHeaderContentRawLineTupleArray(source_txt_str);
-      auto header_raw = t[0];
-      auto sourcefile_body_content = t[1];
+      char[] header_raw = t.header;
+      char[][] sourcefile_body_content = t.src_txt;
       if (fn_src.match(rgx.src_fn_master)) { // filename with path needed if master file (.ssm) not otherwise
         auto ins = Inserts();
-        Tuple!(char[][], string[], string[]) tu
+        ContentsInsertsImages tu
           = ins.scan_master_src_for_insert_files_and_import_content(_opt_action, sourcefile_body_content, fn_src);
-        sourcefile_body_content = tu[0];
-        insert_file_list = tu[1].dup;
-        images_list = tu[2].dup;
+        sourcefile_body_content = tu.contents;
+        insert_file_list = tu.insert_files.dup;
+        images_list = tu.images.dup;
       } else if (_opt_action.source || _opt_action.pod) {
         auto ins = Inserts();
-        Tuple!(char[][], string[], string[]) tu
+        ContentsInsertsImages tu
           = ins.scan_master_src_for_insert_files_and_import_content(_opt_action, sourcefile_body_content, fn_src);
-        images_list = tu[2].dup;
+        images_list = tu.images.dup;
       }
       string header_type = "";
       t = tuple(
@@ -320,7 +331,6 @@ static template spineRawMarkupContent() {
         insert_file_list,
         images_list
       );
-      static assert(t.length==4);
       return t;
     }
   }
@@ -334,7 +344,11 @@ static template spineRawMarkupContent() {
     <<meta_markup_source_raw_get_insert_source_line_array>>
   }
   struct Inserts {
-    auto scan_subdoc_source(O)(
+    alias ContentsAndImages = Tuple!(
+      char[][], "insert_contents",
+      string[], "images"
+    );
+    ContentsAndImages scan_subdoc_source(O)(
       O        _opt_action,
       char[][] markup_sourcefile_insert_content,
       string   fn_src
@@ -346,7 +360,7 @@ static template spineRawMarkupContent() {
       } // end src subdoc (inserts) loop
       <<meta_inserts_scan_post>>
     }
-    Tuple!(char[][], string[], string[]) scan_master_src_for_insert_files_and_import_content(O)(
+    ContentsInsertsImages scan_master_src_for_insert_files_and_import_content(O)(
       O        _opt_action,
       char[][] sourcefile_body_content,
       string   fn_src
@@ -434,14 +448,14 @@ final private char[][] markupSourceLineArray(in char[] src_text) @trusted { // c
 
 #+name: meta_markup_source_raw_read_in_file
 #+BEGIN_SRC d
-auto markupSourceReadIn(in string fn_src) {
+string 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);
+  string source_txt_str = readInMarkupSource(fn_src);
   return source_txt_str;
 }
 #+END_SRC
@@ -455,14 +469,14 @@ auto markupSourceReadIn(in string fn_src) {
 
 #+name: meta_markup_source_raw_tuple_of_header_and_body
 #+BEGIN_SRC d
-Tuple!(char[], char[][], string[], string[]) markupSourceHeaderContentRawLineTupleArray(in string source_txt_str) @safe {
+HeaderContentInsertsImages markupSourceHeaderContentRawLineTupleArray(in string source_txt_str) @safe {
   string[] file_insert_list = [];
   string[] images_list = [];
   char[][] hc = header0Content1(source_txt_str);
   char[] header = hc[0];
   char[] source_txt = hc[1];
   char[][] source_line_arr = markupSourceLineArray(source_txt);
-  Tuple!(char[], char[][], string[], string[]) t = tuple(
+  HeaderContentInsertsImages t = tuple(
     header,
     source_line_arr,
     file_insert_list,
@@ -570,7 +584,7 @@ if (type1["curly_code"] == 1) {
   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);
+    string[] _image_linelist = _extract_images(line);
     if (_image_linelist.length > 0) {
       _images ~= _image_linelist;
     }
@@ -582,7 +596,7 @@ if (type1["curly_code"] == 1) {
 
 #+name: meta_inserts_scan_post
 #+BEGIN_SRC d
-Tuple!(char[][], string[]) t = tuple(
+ContentsAndImages t = tuple(
   contents_insert,
   _images
 );
@@ -642,14 +656,14 @@ if (type["curly_code"] == 1) {
     );
   }
   auto ins = Inserts();
-  auto contents_insert_tu = ins.scan_subdoc_source(
+  ContentsAndImages 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?
+  contents ~= contents_insert_tu.insert_contents;
   if (_opt_action.source || _opt_action.pod) {
-    auto _image_linelist = _extract_images(contents_insert_tu[0]);
+    string[] _image_linelist = _extract_images(contents_insert_tu.images);
     if (_image_linelist.length > 0) {
       _images ~= _image_linelist;
     }
@@ -667,7 +681,7 @@ if (type["curly_code"] == 1) {
 } else {
   contents ~= line;
   if (_opt_action.source || _opt_action.pod) {
-    auto _image_linelist = _extract_images(line);
+    string[] _image_linelist = _extract_images(line);
     if (_image_linelist.length > 0) {
       _images ~= _image_linelist;
     }
@@ -687,7 +701,7 @@ debug(insert_file) {
   writeln(__LINE__);
   writeln(contents.length);
 }
-Tuple!(char[][], string[], string[]) t = tuple(
+ContentsInsertsImages t = tuple(
   contents,
   insert_file_list,
   images
diff --git a/org/meta_conf_make_meta.org b/org/meta_conf_make_meta.org
index 746f712..0362a83 100644
--- a/org/meta_conf_make_meta.org
+++ b/org/meta_conf_make_meta.org
@@ -69,7 +69,7 @@ import
 mixin spineRgxInit;
 static auto rgx = Rgx();
 mixin InternalMarkup;
-auto mkup = InlineMarkup();
+static auto mkup = InlineMarkup();
 #+END_SRC
 
 ** struct Generic ConfComposite
diff --git a/org/metaverse.org b/org/metaverse.org
index cc8414b..be6c662 100644
--- a/org/metaverse.org
+++ b/org/metaverse.org
@@ -238,6 +238,28 @@ 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,];
+alias TxtPlusHasFootnotes = Tuple!(
+  string, "obj_txt",
+  bool,   "has_notes_reg",
+  bool,   "has_notes_star",
+  bool,   "has_notes_plus",
+);
+alias TxtPlusHasFootnotesUrlsImages = Tuple!(
+  string, "obj_txt",
+  bool,   "has_notes_reg",
+  bool,   "has_notes_star",
+  bool,   "has_notes_plus",
+  bool,   "has_urls",
+  bool,   "has_images_without_dimensions",
+);
+alias TxtAndAnchorTagPlusHasFootnotesUrlsImages = Tuple!(
+   string, "obj_txt",
+   string, "anchor_tag",
+   bool,   "has_notes_reg",
+   bool,   "has_notes_star",
+   bool,   "has_links",
+   bool,   "has_images_without_dimensions",
+);
 enum DomTags { none, open, close, close_and_open, open_still, }
 #+END_SRC
 
@@ -1295,7 +1317,7 @@ if ((obj_type_status["heading"] == State.on)
   : ocn_emit(obj_type_status["ocn_status"]);
   an_object["is"] = "heading";
   an_object_key="body_nugget";
-  auto substantive_object_and_anchor_tags_tuple
+  TxtAndAnchorTagPlusHasFootnotesUrlsImages 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];
@@ -1440,7 +1462,7 @@ if ((obj_type_status["heading"] == State.on)
       heading_ptr-1,
       an_object["is"],
     );
-  auto substantive_obj_misc_tuple
+  TxtAndAnchorTagPlusHasFootnotesUrlsImages 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];
@@ -3943,7 +3965,7 @@ string[string]  flow_txt_block_poem(CMM)(
             );
           }
           an_object["is"]                           = "verse";
-          auto substantive_obj_misc_tuple
+          TxtAndAnchorTagPlusHasFootnotesUrlsImages 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];
@@ -4006,7 +4028,7 @@ string[string]  flow_txt_block_poem(CMM)(
           heading_ptr-1,
           an_object["is"]
         );
-        auto substantive_obj_misc_tuple
+        TxtAndAnchorTagPlusHasFootnotesUrlsImages 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];
@@ -4052,7 +4074,7 @@ string[string]  flow_txt_block_poem(CMM)(
         }
         processing.remove("verse");
         an_object["is"]                                = "verse";
-        auto substantive_obj_misc_tuple
+        TxtAndAnchorTagPlusHasFootnotesUrlsImages 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];
@@ -4115,7 +4137,7 @@ string[string]  flow_txt_block_poem(CMM)(
             heading_ptr-1,
             an_object["is"]
           );
-        auto substantive_obj_misc_tuple
+        TxtAndAnchorTagPlusHasFootnotesUrlsImages 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];
@@ -4261,7 +4283,7 @@ void flow_table_closed_make_special_notation_table_(N,CMM)(
       "table"
     );
   an_object["is"] = "table";
-  auto substantive_obj_misc_tuple
+  TxtAndAnchorTagPlusHasFootnotesUrlsImages 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;
@@ -4339,7 +4361,7 @@ string[string] flow_block_flag_line_empty_(B,N,CMM,Ts)(
         heading_ptr-1,
         an_object["is"]
       );
-    auto substantive_obj_misc_tuple
+    TxtAndAnchorTagPlusHasFootnotesUrlsImages 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];
@@ -4396,7 +4418,7 @@ string[string] flow_block_flag_line_empty_(B,N,CMM,Ts)(
         heading_ptr-1,
         an_object["is"]
       );
-    auto substantive_obj_misc_tuple
+    TxtAndAnchorTagPlusHasFootnotesUrlsImages 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];
@@ -4453,7 +4475,7 @@ string[string] flow_block_flag_line_empty_(B,N,CMM,Ts)(
         heading_ptr-1,
         an_object["is"]
       );
-    auto substantive_obj_misc_tuple
+    TxtAndAnchorTagPlusHasFootnotesUrlsImages 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];
@@ -4552,7 +4574,7 @@ string[string] flow_block_flag_line_empty_(B,N,CMM,Ts)(
         heading_ptr-1,
         an_object["is"]
       );
-    auto substantive_obj_misc_tuple
+    TxtAndAnchorTagPlusHasFootnotesUrlsImages 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];
@@ -4610,7 +4632,7 @@ string[string] flow_block_flag_line_empty_(B,N,CMM,Ts)(
         heading_ptr-1,
         an_object["is"]
       );
-    auto substantive_obj_misc_tuple
+    TxtAndAnchorTagPlusHasFootnotesUrlsImages 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;
@@ -5422,7 +5444,7 @@ static struct ObjInlineMarkupMunge {
 
 #+name: meta_emitters_obj_inline_markup_munge
 #+BEGIN_SRC d
-  Tuple!(string, bool, bool, bool) footnotes_endnotes_markup_and_number_or_stars()(string obj_txt_in, bool reset_note_numbers) @safe {
+  TxtPlusHasFootnotes footnotes_endnotes_markup_and_number_or_stars()(string obj_txt_in, bool reset_note_numbers) @safe {
     /+ endnotes (regular) +/
     bool flg_notes_reg  = false;
     bool flg_notes_star = false;
@@ -5478,7 +5500,7 @@ static struct ObjInlineMarkupMunge {
     } else {
       obj_txt_out = obj_txt_in;
     }
-    Tuple!(string, bool, bool, bool) t = tuple(
+    TxtPlusHasFootnotes t = tuple(
       obj_txt_out,
       flg_notes_reg,
       flg_notes_star,
@@ -5492,7 +5514,7 @@ static struct ObjInlineMarkupMunge {
 
 #+name: meta_emitters_obj_inline_markup_munge
 #+BEGIN_SRC d
-  private Tuple!(string, bool, bool, bool, bool, bool) object_notes_and_links_()(
+  private TxtPlusHasFootnotesUrlsImages object_notes_and_links_()(
     string obj_txt_in,
     bool reset_note_numbers=false
   ) @safe {
@@ -5526,8 +5548,8 @@ static struct ObjInlineMarkupMunge {
       obj_txt_in = obj_txt_in
         .replaceAll(rgx.para_inline_link_anchor, "┃$1┃");
     }
-    Tuple!(string, bool, bool, bool) ftn = footnotes_endnotes_markup_and_number_or_stars(obj_txt_in, reset_note_numbers);
-    obj_txt_out = ftn[0];
+    TxtPlusHasFootnotes ftn = footnotes_endnotes_markup_and_number_or_stars(obj_txt_in, reset_note_numbers);
+    obj_txt_out = ftn.obj_txt;
     debug(footnotes) {
       writeln(obj_txt_out, tail);
     }
@@ -5539,18 +5561,18 @@ static struct ObjInlineMarkupMunge {
         writeln(m.hit);
       }
     }
-    Tuple!(string, bool, bool, bool, bool, bool) t = tuple(
+    TxtPlusHasFootnotesUrlsImages t = tuple(
       obj_txt_out,
-      ftn[1],
-      ftn[2],
-      ftn[3],
+      ftn.has_notes_reg,
+      ftn.has_notes_star,
+      ftn.has_notes_plus,
       urls,
       images_without_dimensions,
     );
     return t;
   }
   auto init() {
-    Tuple!(string, bool, bool, bool, bool, bool) t = object_notes_and_links_("");
+    TxtPlusHasFootnotesUrlsImages t = object_notes_and_links_("");
     return t;
   }
   invariant() {
@@ -5571,7 +5593,7 @@ static struct ObjInlineMarkupMunge {
      .replaceFirst(rgx.heading, "")
      .replaceFirst(rgx.object_number_off_all, "")
      .strip;
-    Tuple!(string, bool, bool, bool, bool, bool) t = object_notes_and_links_(obj_txt["munge"], reset_note_numbers);
+    TxtPlusHasFootnotesUrlsImages t = object_notes_and_links_(obj_txt["munge"], reset_note_numbers);
     debug(munge) {
       writeln(__LINE__);
       writeln(obj_txt_in);
@@ -5598,7 +5620,7 @@ static struct ObjInlineMarkupMunge {
     obj_txt["munge"]=(obj_txt_in)
       .replaceFirst(rgx.para_attribs, "")
       .replaceFirst(rgx.object_number_off_all, "");
-    Tuple!(string, bool, bool, bool, bool, bool) t = object_notes_and_links_(obj_txt["munge"]);
+    TxtPlusHasFootnotesUrlsImages t = object_notes_and_links_(obj_txt["munge"]);
     debug(munge) {
       writeln(__LINE__);
       writeln(obj_txt_in);
@@ -5634,7 +5656,7 @@ static struct ObjInlineMarkupMunge {
 #+BEGIN_SRC d
   auto munge_group(string obj_txt_in) @safe {
     obj_txt["munge"]=obj_txt_in;
-    Tuple!(string, bool, bool, bool, bool, bool) t = object_notes_and_links_(obj_txt["munge"]);
+    TxtPlusHasFootnotesUrlsImages t = object_notes_and_links_(obj_txt["munge"]);
     return t;
   }
   invariant() {
@@ -5654,7 +5676,7 @@ static struct ObjInlineMarkupMunge {
 #+BEGIN_SRC d
   auto munge_block()(string obj_txt_in) @safe {
     obj_txt["munge"]=obj_txt_in;
-    Tuple!(string, bool, bool, bool, bool, bool) t = object_notes_and_links_(obj_txt["munge"]);
+    TxtPlusHasFootnotesUrlsImages t = object_notes_and_links_(obj_txt["munge"]);
     return t;
   }
   invariant() {
@@ -5674,7 +5696,7 @@ static struct ObjInlineMarkupMunge {
 #+BEGIN_SRC d
   auto munge_verse()(string obj_txt_in) @safe {
     obj_txt["munge"]=obj_txt_in;
-    Tuple!(string, bool, bool, bool, bool, bool) t = object_notes_and_links_(obj_txt["munge"]);
+    TxtPlusHasFootnotesUrlsImages t = object_notes_and_links_(obj_txt["munge"]);
     return t;
   }
   invariant() {
@@ -5749,7 +5771,7 @@ static struct ObjInlineMarkup {
 
 #+name: meta_emitters_obj_inline_markup_and_anchor_tags_and_misc
 #+BEGIN_SRC d
-  auto obj_inline_markup_and_anchor_tags_and_misc(CMM)(
+  TxtAndAnchorTagPlusHasFootnotesUrlsImages obj_inline_markup_and_anchor_tags_and_misc(CMM)(
     string[string]   obj_,
     string           obj_key_,
     CMM              conf_make_meta,
@@ -5829,7 +5851,7 @@ static struct ObjInlineMarkup {
       obj_notes_and_links["image_no_dimensions"] = x[5];
       break;
     }
-    Tuple!(string, string, bool, bool, bool, bool) t = tuple(
+    TxtAndAnchorTagPlusHasFootnotesUrlsImages t = tuple(
       obj_txt["munge"],
       anchor_tag,
       obj_notes_and_links["notes_reg"],
diff --git a/org/out_harvest_metadata.org b/org/out_harvest_metadata.org
index 7a27ebf..4b7fe7e 100644
--- a/org/out_harvest_metadata.org
+++ b/org/out_harvest_metadata.org
@@ -58,7 +58,7 @@ import
 
 #+name: metadoc_harvest_initialize
 #+BEGIN_SRC d
-auto markup = InlineMarkup();
+static auto mkup = InlineMarkup();
 #+END_SRC
 
 ** harvest summary
@@ -73,12 +73,12 @@ char_repeat_number = (char_repeat_number > min_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),
+  mkup.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),
+  mkup.repeat_character_by_number_provided("-", char_repeat_number),
 );
 #+END_SRC
 
@@ -127,7 +127,7 @@ module doc_reform.meta.metadoc_harvests_topics;
   mixin InternalMarkup;
   mixin spineRgxInit;
 template spineMetaDocHarvestsTopics() {
-  auto mkup = InlineMarkup();
+  static auto mkup = InlineMarkup();
   void spineMetaDocHarvestsTopics(H,M,O)(
     H  hvst,
     M  _make_and_meta_struct,
@@ -459,7 +459,7 @@ module doc_reform.meta.metadoc_harvests_authors;
   mixin InternalMarkup;
   mixin spineRgxInit;
 template spineMetaDocHarvestsAuthors() {
-  auto mkup = InlineMarkup();
+  static auto mkup = InlineMarkup();
   void spineMetaDocHarvestsAuthors(H,M,O)(
     H  harvests,
     M  _make_and_meta_struct,
diff --git a/org/out_latex.org b/org/out_latex.org
index 8ae369b..8a84ceb 100644
--- a/org/out_latex.org
+++ b/org/out_latex.org
@@ -25,7 +25,7 @@ template outputLaTeX() {
   <<output_latex_imports>>
   mixin InternalMarkup; // watch
   mixin spineOutputRgxInit;
-  auto rgx = Rgx();
+  static auto rgx = Rgx();
   mixin spineLanguageCodes;
   auto lang = Lang();
   <<output_latex_shared>>
@@ -75,8 +75,8 @@ void writeOutputLaTeX(T,M)(
     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;
+      string fn_src_in = doc_matters.src.image_dir_path ~ "/" ~ image;
+      string fn_src_out_file = pth_latex.latex_path_stuff ~ "/" ~ image;
       if (exists(fn_src_in)) {
         fn_src_in.copy(fn_src_out_file);
       }
diff --git a/org/out_metadata.org b/org/out_metadata.org
index f3c069c..e8da2c4 100644
--- a/org/out_metadata.org
+++ b/org/out_metadata.org
@@ -19,8 +19,8 @@
 
 ** _module template_ metadoc document metadata
 
-#+BEGIN_SRC d :tangle "../src/spine/io_out/metadata.d"
-module spine.io_out.metadata;
+#+BEGIN_SRC d :tangle "../src/doc_reform/io_out/metadata.d"
+module doc_reform.io_out.metadata;
 template outputMetadata() {
   void outputMetadata(T)( T  doc_matters) @safe {
     <<output_imports>>
@@ -41,7 +41,7 @@ template outputMetadata() {
 #+BEGIN_SRC d
 import std.file;
 import std.format;
-import spine.io_out;
+import doc_reform.io_out;
 mixin InternalMarkup;
 string[] metadata_;
 #+END_SRC
diff --git a/org/out_odt.org b/org/out_odt.org
index 66fe2b4..e843a48 100644
--- a/org/out_odt.org
+++ b/org/out_odt.org
@@ -58,7 +58,7 @@ template outputODT() {
   <<output_imports>>
   mixin InternalMarkup;
   mixin spineOutputRgxInit;
-  auto rgx = Rgx();
+  static auto rgx = Rgx();
   // mixin outputXmlODT;
   <<output_odt_variable_content_xml>>
   <<output_odt_variable_manifest_xml>>
diff --git a/org/out_sqlite.org b/org/out_sqlite.org
index 9f247b1..5e56ad1 100644
--- a/org/out_sqlite.org
+++ b/org/out_sqlite.org
@@ -132,7 +132,7 @@ template SQLiteDbRun() {
 
 #+BEGIN_SRC d :tangle "../src/doc_reform/io_out/sqlite.d"
 template SQLinsertDelimiter() {
-  auto SQLinsertDelimiter(string _txt) {
+  string SQLinsertDelimiter(string _txt) {
     _txt = _txt
       .replaceAll(rgx.quotation_mark_sql_insert_delimiter, "$0$0");
     return _txt;
@@ -673,7 +673,7 @@ string inline_notes_scroll(M,O)(
 
 #+name: sanitize_and_munge_inline_html
 #+BEGIN_SRC d
-Tuple!(string, string) inline_notes_seg(M,O)(
+Tuple!(string, string[]) inline_notes_seg(M,O)(
                M     doc_matters,
   const        O     obj,
   string             _txt,
@@ -706,7 +706,7 @@ Tuple!(string, string) inline_notes_seg(M,O)(
       writeln(__LINE__, " endnote: ", obj.metainfo.is_a, ": ", obj.text);
     }
   }
-  Tuple!(string, string) t = tuple(
+  Tuple!(string, string[]) t = tuple(
     _txt,
     _endnotes,
   );
diff --git a/org/out_xmls.org b/org/out_xmls.org
index df095ec..9738c23 100644
--- a/org/out_xmls.org
+++ b/org/out_xmls.org
@@ -589,9 +589,9 @@ string inline_notes_scroll(O,M)(
 #+name: xhtml_format_objects
 #+BEGIN_SRC d
 Tuple!(string, string[]) inline_notes_seg(O,M)(
-  string          _txt,
-  const        O  obj,
-               M  doc_matters,
+            string  _txt,
+  const     O       obj,
+            M       doc_matters,
 ) @safe {
   string[] _endnotes;
   if (obj.has.inline_notes_star) {
@@ -698,7 +698,7 @@ auto inline_markup_seg(O,M)(
     _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);
+  Tuple!(string, string[]) t = inline_notes_seg(_txt, obj, doc_matters);
   return t;
 }
 #+END_SRC
@@ -1529,7 +1529,7 @@ void scroll(D,M)(
 ) @safe {
   mixin spineOutputRgxInit;
   auto xhtml_format = outputXHTMLs();
-  auto rgx = Rgx();
+  static auto rgx = Rgx();
   string[] doc_html;
   string[] doc;
   string suffix = ".html";
@@ -1764,7 +1764,7 @@ void seg(D,M)(
         M    doc_matters,
 ) @safe {
   mixin spineOutputRgxInit;
-  auto rgx = Rgx();
+  static auto rgx = Rgx();
   auto xhtml_format = outputXHTMLs();
   string[][string] doc_html;
   string[][string] doc_html_endnotes;
@@ -2069,7 +2069,7 @@ void seg_write_output(D,E,M)(
     static assert(is(typeof(doc_html)      == string[][string]));
   }
   mixin spineOutputRgxInit;
-  auto rgx = Rgx();
+  static auto rgx = Rgx();
   auto pth_html = spinePathsHTML!()(doc_matters.output_path, doc_matters.src.language);
   auto xhtml_format = outputXHTMLs();
   auto m = doc_matters.src.filename.matchFirst(rgx.src_fn);
@@ -2334,7 +2334,7 @@ string epub3_oebps_content(D,M,P)(D doc_abstraction, M doc_matters, P parts) @sa
 string epub3_oebps_toc_nav_xhtml(D,I)(D doc_abstraction, I doc_matters) @safe {
   enum DomTags { none, open, close, close_and_open, open_still, }
   auto markup = InlineMarkup();
-  auto rgx = Rgx();
+  static auto rgx = Rgx();
   string toc =format("<html xmlns=\"http://www.w3.org/1999/xhtml\"
     xmlns:epub=\"http://www.idpf.org/2007/ops\">
 <head>
@@ -2423,7 +2423,7 @@ string epub2_oebps_toc_ncx(D,I)(D doc_abstraction, I doc_matters) @safe {
   int counter = 0;
   string _uuid = "18275d951861c77f78acd05672c9906924c59f18a2e0ba06dad95959693e9bd8"; // TODO shared elsewhere
   auto markup = InlineMarkup();
-  auto rgx = Rgx();
+  static 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">
@@ -2521,7 +2521,7 @@ void outputEPub3(D,I)(
 ) { // @trusted
   mixin spineOutputRgxInit;
   auto xhtml_format = outputXHTMLs();
-  auto rgx = Rgx();
+  static auto rgx = Rgx();
   string[] doc;
   string segment_filename;
   string[] top_level_headings = ["","","",""];
diff --git a/src/doc_reform/io_in/read_source_files.d b/src/doc_reform/io_in/read_source_files.d
index bf8702b..ba3e145 100644
--- a/src/doc_reform/io_in/read_source_files.d
+++ b/src/doc_reform/io_in/read_source_files.d
@@ -15,7 +15,7 @@ static template spineRawMarkupContent() {
   mixin spineRgxInit;
   static auto rgx = Rgx();
   string[] _images=[];
-  auto _extract_images(S)(S content_block) @safe {
+  string[] _extract_images(S)(S content_block) @safe {
     string[] images_;
     string _content_block = content_block.to!string;
     if (auto m = _content_block.matchAll(rgx.image)) {
@@ -24,6 +24,17 @@ static template spineRawMarkupContent() {
     return images_;
   }
   auto rawsrc = RawMarkupContent();
+  alias ContentsInsertsImages = Tuple!(
+    char[][], "contents",
+    string[], "insert_files",
+    string[], "images"
+  );
+  alias HeaderContentInsertsImages = Tuple!(
+    char[],   "header",
+    char[][], "src_txt",
+    string[], "insert_files",
+    string[], "images"
+  );
   auto spineRawMarkupContent(O,Fn)(O _opt_action, Fn fn_src) @safe {
     auto _0_header_1_body_content_2_insert_filelist_tuple
       = rawsrc.sourceContentSplitIntoHeaderAndBody(_opt_action, rawsrc.sourceContent(fn_src), fn_src);
@@ -32,7 +43,7 @@ static template spineRawMarkupContent() {
   struct RawMarkupContent {
     final sourceContent(in string fn_src) {
       auto raw = MarkupRawUnit();
-      auto source_txt_str
+      string source_txt_str
         = raw.markupSourceReadIn(fn_src);
       return source_txt_str;
     }
@@ -44,22 +55,22 @@ static template spineRawMarkupContent() {
       auto raw = MarkupRawUnit();
       string[] insert_file_list;
       string[] images_list;
-      Tuple!(char[], char[][], string[], string[]) t
+      HeaderContentInsertsImages t
         = raw.markupSourceHeaderContentRawLineTupleArray(source_txt_str);
-      auto header_raw = t[0];
-      auto sourcefile_body_content = t[1];
+      char[] header_raw = t.header;
+      char[][] sourcefile_body_content = t.src_txt;
       if (fn_src.match(rgx.src_fn_master)) { // filename with path needed if master file (.ssm) not otherwise
         auto ins = Inserts();
-        Tuple!(char[][], string[], string[]) tu
+        ContentsInsertsImages tu
           = ins.scan_master_src_for_insert_files_and_import_content(_opt_action, sourcefile_body_content, fn_src);
-        sourcefile_body_content = tu[0];
-        insert_file_list = tu[1].dup;
-        images_list = tu[2].dup;
+        sourcefile_body_content = tu.contents;
+        insert_file_list = tu.insert_files.dup;
+        images_list = tu.images.dup;
       } else if (_opt_action.source || _opt_action.pod) {
         auto ins = Inserts();
-        Tuple!(char[][], string[], string[]) tu
+        ContentsInsertsImages tu
           = ins.scan_master_src_for_insert_files_and_import_content(_opt_action, sourcefile_body_content, fn_src);
-        images_list = tu[2].dup;
+        images_list = tu.images.dup;
       }
       string header_type = "";
       t = tuple(
@@ -68,7 +79,6 @@ static template spineRawMarkupContent() {
         insert_file_list,
         images_list
       );
-      static assert(t.length==4);
       return t;
     }
   }
@@ -115,24 +125,24 @@ static template spineRawMarkupContent() {
         = (cast(char[]) src_text).split(rgx.newline_eol_strip_preceding);
       return source_line_arr;
     }
-    auto markupSourceReadIn(in string fn_src) {
+    string 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);
+      string source_txt_str = readInMarkupSource(fn_src);
       return source_txt_str;
     }
-    Tuple!(char[], char[][], string[], string[]) markupSourceHeaderContentRawLineTupleArray(in string source_txt_str) @safe {
+    HeaderContentInsertsImages markupSourceHeaderContentRawLineTupleArray(in string source_txt_str) @safe {
       string[] file_insert_list = [];
       string[] images_list = [];
       char[][] hc = header0Content1(source_txt_str);
       char[] header = hc[0];
       char[] source_txt = hc[1];
       char[][] source_line_arr = markupSourceLineArray(source_txt);
-      Tuple!(char[], char[][], string[], string[]) t = tuple(
+      HeaderContentInsertsImages t = tuple(
         header,
         source_line_arr,
         file_insert_list,
@@ -155,7 +165,11 @@ static template spineRawMarkupContent() {
     }
   }
   struct Inserts {
-    auto scan_subdoc_source(O)(
+    alias ContentsAndImages = Tuple!(
+      char[][], "insert_contents",
+      string[], "images"
+    );
+    ContentsAndImages scan_subdoc_source(O)(
       O        _opt_action,
       char[][] markup_sourcefile_insert_content,
       string   fn_src
@@ -227,20 +241,20 @@ static template spineRawMarkupContent() {
           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);
+            string[] _image_linelist = _extract_images(line);
             if (_image_linelist.length > 0) {
               _images ~= _image_linelist;
             }
           }
         }
       } // end src subdoc (inserts) loop
-      Tuple!(char[][], string[]) t = tuple(
+      ContentsAndImages t = tuple(
         contents_insert,
         _images
       );
       return t;
     }
-    Tuple!(char[][], string[], string[]) scan_master_src_for_insert_files_and_import_content(O)(
+    ContentsInsertsImages scan_master_src_for_insert_files_and_import_content(O)(
       O        _opt_action,
       char[][] sourcefile_body_content,
       string   fn_src
@@ -290,14 +304,14 @@ static template spineRawMarkupContent() {
             );
           }
           auto ins = Inserts();
-          auto contents_insert_tu = ins.scan_subdoc_source(
+          ContentsAndImages 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?
+          contents ~= contents_insert_tu.insert_contents;
           if (_opt_action.source || _opt_action.pod) {
-            auto _image_linelist = _extract_images(contents_insert_tu[0]);
+            string[] _image_linelist = _extract_images(contents_insert_tu.images);
             if (_image_linelist.length > 0) {
               _images ~= _image_linelist;
             }
@@ -315,7 +329,7 @@ static template spineRawMarkupContent() {
         } else {
           contents ~= line;
           if (_opt_action.source || _opt_action.pod) {
-            auto _image_linelist = _extract_images(line);
+            string[] _image_linelist = _extract_images(line);
             if (_image_linelist.length > 0) {
               _images ~= _image_linelist;
             }
@@ -330,7 +344,7 @@ static template spineRawMarkupContent() {
         writeln(__LINE__);
         writeln(contents.length);
       }
-      Tuple!(char[][], string[], string[]) t = tuple(
+      ContentsInsertsImages t = tuple(
         contents,
         insert_file_list,
         images
diff --git a/src/doc_reform/io_out/defaults.d b/src/doc_reform/io_out/defaults.d
index 887c1be..4dd8021 100644
--- a/src/doc_reform/io_out/defaults.d
+++ b/src/doc_reform/io_out/defaults.d
@@ -35,7 +35,7 @@ template InternalMarkup() {
     string tc_p                   = "┆";
     string img                    = "☼";
     string sep                    = "␣";
-    string on_o  = "「";       auto on_c  = "」";
+    string on_o  = "「";       string on_c  = "」";
     string mk_bullet               = "● ";
     static string indent_by_spaces_provided(int indent, string _indent_spaces ="░░") {
       _indent_spaces = replicate(_indent_spaces, indent);
diff --git a/src/doc_reform/io_out/epub3.d b/src/doc_reform/io_out/epub3.d
index 35a31cd..4de98a1 100644
--- a/src/doc_reform/io_out/epub3.d
+++ b/src/doc_reform/io_out/epub3.d
@@ -131,7 +131,7 @@ template outputEPub3() {
   string epub3_oebps_toc_nav_xhtml(D,I)(D doc_abstraction, I doc_matters) @safe {
     enum DomTags { none, open, close, close_and_open, open_still, }
     auto markup = InlineMarkup();
-    auto rgx = Rgx();
+    static auto rgx = Rgx();
     string toc =format("<html xmlns=\"http://www.w3.org/1999/xhtml\"
       xmlns:epub=\"http://www.idpf.org/2007/ops\">
   <head>
@@ -211,7 +211,7 @@ template outputEPub3() {
     int counter = 0;
     string _uuid = "18275d951861c77f78acd05672c9906924c59f18a2e0ba06dad95959693e9bd8"; // TODO shared elsewhere
     auto markup = InlineMarkup();
-    auto rgx = Rgx();
+    static 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">
@@ -303,7 +303,7 @@ template outputEPub3() {
   ) { // @trusted
     mixin spineOutputRgxInit;
     auto xhtml_format = outputXHTMLs();
-    auto rgx = Rgx();
+    static auto rgx = Rgx();
     string[] doc;
     string segment_filename;
     string[] top_level_headings = ["","","",""];
diff --git a/src/doc_reform/io_out/html.d b/src/doc_reform/io_out/html.d
index 458533c..8598ca5 100644
--- a/src/doc_reform/io_out/html.d
+++ b/src/doc_reform/io_out/html.d
@@ -19,7 +19,7 @@ template outputHTML() {
   ) @safe {
     mixin spineOutputRgxInit;
     auto xhtml_format = outputXHTMLs();
-    auto rgx = Rgx();
+    static auto rgx = Rgx();
     string[] doc_html;
     string[] doc;
     string suffix = ".html";
@@ -211,7 +211,7 @@ template outputHTML() {
           M    doc_matters,
   ) @safe {
     mixin spineOutputRgxInit;
-    auto rgx = Rgx();
+    static auto rgx = Rgx();
     auto xhtml_format = outputXHTMLs();
     string[][string] doc_html;
     string[][string] doc_html_endnotes;
@@ -468,7 +468,7 @@ template outputHTML() {
       static assert(is(typeof(doc_html)      == string[][string]));
     }
     mixin spineOutputRgxInit;
-    auto rgx = Rgx();
+    static auto rgx = Rgx();
     auto pth_html = spinePathsHTML!()(doc_matters.output_path, doc_matters.src.language);
     auto xhtml_format = outputXHTMLs();
     auto m = doc_matters.src.filename.matchFirst(rgx.src_fn);
diff --git a/src/doc_reform/io_out/latex.d b/src/doc_reform/io_out/latex.d
index 52707db..cfa347c 100644
--- a/src/doc_reform/io_out/latex.d
+++ b/src/doc_reform/io_out/latex.d
@@ -9,7 +9,7 @@ template outputLaTeX() {
     std.conv : to;
   mixin InternalMarkup; // watch
   mixin spineOutputRgxInit;
-  auto rgx = Rgx();
+  static auto rgx = Rgx();
   mixin spineLanguageCodes;
   auto lang = Lang();
       auto paper() {
@@ -1180,8 +1180,8 @@ string table(O,M)(
       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;
+        string fn_src_in = doc_matters.src.image_dir_path ~ "/" ~ image;
+        string fn_src_out_file = pth_latex.latex_path_stuff ~ "/" ~ image;
         if (exists(fn_src_in)) {
           fn_src_in.copy(fn_src_out_file);
         }
diff --git a/src/doc_reform/io_out/metadata.d b/src/doc_reform/io_out/metadata.d
index b935734..8201926 100644
--- a/src/doc_reform/io_out/metadata.d
+++ b/src/doc_reform/io_out/metadata.d
@@ -1,9 +1,9 @@
-module spine.io_out.metadata;
+module doc_reform.io_out.metadata;
 template outputMetadata() {
   void outputMetadata(T)( T  doc_matters) @safe {
     import std.file;
     import std.format;
-    import spine.io_out;
+    import doc_reform.io_out;
     mixin InternalMarkup;
     string[] metadata_;
 string theme_dark_0 = format(q"┃
diff --git a/src/doc_reform/io_out/odt.d b/src/doc_reform/io_out/odt.d
index 09bcf65..23eb947 100644
--- a/src/doc_reform/io_out/odt.d
+++ b/src/doc_reform/io_out/odt.d
@@ -604,7 +604,7 @@ template outputODT() {
     doc_reform.io_out.xmls_css;
   mixin InternalMarkup;
   mixin spineOutputRgxInit;
-  auto rgx = Rgx();
+  static auto rgx = Rgx();
   // mixin outputXmlODT;
   string odt_head(I)(I doc_matters) @safe {
     string _has_tables = format(q"┃
diff --git a/src/doc_reform/io_out/sqlite.d b/src/doc_reform/io_out/sqlite.d
index f9a17d4..e83a75f 100644
--- a/src/doc_reform/io_out/sqlite.d
+++ b/src/doc_reform/io_out/sqlite.d
@@ -128,7 +128,7 @@ template SQLiteDbRun() {
   }
 }
 template SQLinsertDelimiter() {
-  auto SQLinsertDelimiter(string _txt) {
+  string SQLinsertDelimiter(string _txt) {
     _txt = _txt
       .replaceAll(rgx.quotation_mark_sql_insert_delimiter, "$0$0");
     return _txt;
@@ -406,7 +406,7 @@ template SQLiteFormatAndLoadObject() {
         }
         return _txt;
       }
-      Tuple!(string, string) inline_notes_seg(M,O)(
+      Tuple!(string, string[]) inline_notes_seg(M,O)(
                      M     doc_matters,
         const        O     obj,
         string             _txt,
@@ -439,7 +439,7 @@ template SQLiteFormatAndLoadObject() {
             writeln(__LINE__, " endnote: ", obj.metainfo.is_a, ": ", obj.text);
           }
         }
-        Tuple!(string, string) t = tuple(
+        Tuple!(string, string[]) t = tuple(
           _txt,
           _endnotes,
         );
diff --git a/src/doc_reform/io_out/xmls.d b/src/doc_reform/io_out/xmls.d
index b14a7bf..1d58e27 100644
--- a/src/doc_reform/io_out/xmls.d
+++ b/src/doc_reform/io_out/xmls.d
@@ -458,9 +458,9 @@ template outputXHTMLs() {
       return _txt;
     }
     Tuple!(string, string[]) inline_notes_seg(O,M)(
-      string          _txt,
-      const        O  obj,
-                   M  doc_matters,
+                string  _txt,
+      const     O       obj,
+                M       doc_matters,
     ) @safe {
       string[] _endnotes;
       if (obj.has.inline_notes_star) {
@@ -554,7 +554,7 @@ template outputXHTMLs() {
         _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);
+      Tuple!(string, string[]) t = inline_notes_seg(_txt, obj, doc_matters);
       return t;
     }
     string lev4_heading_subtoc(O,M)(
diff --git a/src/doc_reform/meta/conf_make_meta_structs.d b/src/doc_reform/meta/conf_make_meta_structs.d
index c1d6f2c..121605a 100644
--- a/src/doc_reform/meta/conf_make_meta_structs.d
+++ b/src/doc_reform/meta/conf_make_meta_structs.d
@@ -15,7 +15,7 @@ import
 mixin spineRgxInit;
 static auto rgx = Rgx();
 mixin InternalMarkup;
-auto mkup = InlineMarkup();
+static auto mkup = InlineMarkup();
 string url_markup(string line) @safe {
   string line_ = line
     .replaceAll(
diff --git a/src/doc_reform/meta/defaults.d b/src/doc_reform/meta/defaults.d
index b3f6bba..0b6388b 100644
--- a/src/doc_reform/meta/defaults.d
+++ b/src/doc_reform/meta/defaults.d
@@ -188,7 +188,7 @@ template InternalMarkup() {
     string tc_p                   = "┆";
     string img                    = "☼";
     string sep                    = "␣";
-    string on_o  = "「";       auto on_c  = "」";
+    string on_o  = "「";       string on_c  = "」";
     string mk_bullet               = "● ";
     static string indent_by_spaces_provided(int indent, string _indent_spaces ="░░") {
       _indent_spaces = replicate(_indent_spaces, indent);
diff --git a/src/doc_reform/meta/metadoc_from_src.d b/src/doc_reform/meta/metadoc_from_src.d
index d37e029..6dbbb22 100644
--- a/src/doc_reform/meta/metadoc_from_src.d
+++ b/src/doc_reform/meta/metadoc_from_src.d
@@ -89,6 +89,28 @@ template docAbstraction() {
   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,];
+  alias TxtPlusHasFootnotes = Tuple!(
+    string, "obj_txt",
+    bool,   "has_notes_reg",
+    bool,   "has_notes_star",
+    bool,   "has_notes_plus",
+  );
+  alias TxtPlusHasFootnotesUrlsImages = Tuple!(
+    string, "obj_txt",
+    bool,   "has_notes_reg",
+    bool,   "has_notes_star",
+    bool,   "has_notes_plus",
+    bool,   "has_urls",
+    bool,   "has_images_without_dimensions",
+  );
+  alias TxtAndAnchorTagPlusHasFootnotesUrlsImages = Tuple!(
+     string, "obj_txt",
+     string, "anchor_tag",
+     bool,   "has_notes_reg",
+     bool,   "has_notes_star",
+     bool,   "has_links",
+     bool,   "has_images_without_dimensions",
+  );
   enum DomTags { none, open, close, close_and_open, open_still, }
   pure ObjGenericComposite obj_heading_ancestors()(
     ObjGenericComposite  obj,
@@ -957,7 +979,7 @@ template docAbstraction() {
               : ocn_emit(obj_type_status["ocn_status"]);
               an_object["is"] = "heading";
               an_object_key="body_nugget";
-              auto substantive_object_and_anchor_tags_tuple
+              TxtAndAnchorTagPlusHasFootnotesUrlsImages 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];
@@ -1096,7 +1118,7 @@ template docAbstraction() {
                   heading_ptr-1,
                   an_object["is"],
                 );
-              auto substantive_obj_misc_tuple
+              TxtAndAnchorTagPlusHasFootnotesUrlsImages 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];
@@ -2855,7 +2877,7 @@ template docAbstraction() {
               );
             }
             an_object["is"]                           = "verse";
-            auto substantive_obj_misc_tuple
+            TxtAndAnchorTagPlusHasFootnotesUrlsImages 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];
@@ -2918,7 +2940,7 @@ template docAbstraction() {
             heading_ptr-1,
             an_object["is"]
           );
-          auto substantive_obj_misc_tuple
+          TxtAndAnchorTagPlusHasFootnotesUrlsImages 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];
@@ -2964,7 +2986,7 @@ template docAbstraction() {
           }
           processing.remove("verse");
           an_object["is"]                                = "verse";
-          auto substantive_obj_misc_tuple
+          TxtAndAnchorTagPlusHasFootnotesUrlsImages 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];
@@ -3027,7 +3049,7 @@ template docAbstraction() {
               heading_ptr-1,
               an_object["is"]
             );
-          auto substantive_obj_misc_tuple
+          TxtAndAnchorTagPlusHasFootnotesUrlsImages 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];
@@ -3329,7 +3351,7 @@ template docAbstraction() {
         "table"
       );
     an_object["is"] = "table";
-    auto substantive_obj_misc_tuple
+    TxtAndAnchorTagPlusHasFootnotesUrlsImages 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;
@@ -3393,7 +3415,7 @@ template docAbstraction() {
           heading_ptr-1,
           an_object["is"]
         );
-      auto substantive_obj_misc_tuple
+      TxtAndAnchorTagPlusHasFootnotesUrlsImages 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];
@@ -3444,7 +3466,7 @@ template docAbstraction() {
           heading_ptr-1,
           an_object["is"]
         );
-      auto substantive_obj_misc_tuple
+      TxtAndAnchorTagPlusHasFootnotesUrlsImages 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];
@@ -3495,7 +3517,7 @@ template docAbstraction() {
           heading_ptr-1,
           an_object["is"]
         );
-      auto substantive_obj_misc_tuple
+      TxtAndAnchorTagPlusHasFootnotesUrlsImages 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];
@@ -3582,7 +3604,7 @@ template docAbstraction() {
           heading_ptr-1,
           an_object["is"]
         );
-      auto substantive_obj_misc_tuple
+      TxtAndAnchorTagPlusHasFootnotesUrlsImages 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];
@@ -3634,7 +3656,7 @@ template docAbstraction() {
           heading_ptr-1,
           an_object["is"]
         );
-      auto substantive_obj_misc_tuple
+      TxtAndAnchorTagPlusHasFootnotesUrlsImages 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;
@@ -4347,7 +4369,7 @@ template docAbstraction() {
       }
       return obj_txt_in;
     }
-    Tuple!(string, bool, bool, bool) footnotes_endnotes_markup_and_number_or_stars()(string obj_txt_in, bool reset_note_numbers) @safe {
+    TxtPlusHasFootnotes footnotes_endnotes_markup_and_number_or_stars()(string obj_txt_in, bool reset_note_numbers) @safe {
       /+ endnotes (regular) +/
       bool flg_notes_reg  = false;
       bool flg_notes_star = false;
@@ -4403,7 +4425,7 @@ template docAbstraction() {
       } else {
         obj_txt_out = obj_txt_in;
       }
-      Tuple!(string, bool, bool, bool) t = tuple(
+      TxtPlusHasFootnotes t = tuple(
         obj_txt_out,
         flg_notes_reg,
         flg_notes_star,
@@ -4411,7 +4433,7 @@ template docAbstraction() {
       );
       return t;
     }
-    private Tuple!(string, bool, bool, bool, bool, bool) object_notes_and_links_()(
+    private TxtPlusHasFootnotesUrlsImages object_notes_and_links_()(
       string obj_txt_in,
       bool reset_note_numbers=false
     ) @safe {
@@ -4445,8 +4467,8 @@ template docAbstraction() {
         obj_txt_in = obj_txt_in
           .replaceAll(rgx.para_inline_link_anchor, "┃$1┃");
       }
-      Tuple!(string, bool, bool, bool) ftn = footnotes_endnotes_markup_and_number_or_stars(obj_txt_in, reset_note_numbers);
-      obj_txt_out = ftn[0];
+      TxtPlusHasFootnotes ftn = footnotes_endnotes_markup_and_number_or_stars(obj_txt_in, reset_note_numbers);
+      obj_txt_out = ftn.obj_txt;
       debug(footnotes) {
         writeln(obj_txt_out, tail);
       }
@@ -4458,18 +4480,18 @@ template docAbstraction() {
           writeln(m.hit);
         }
       }
-      Tuple!(string, bool, bool, bool, bool, bool) t = tuple(
+      TxtPlusHasFootnotesUrlsImages t = tuple(
         obj_txt_out,
-        ftn[1],
-        ftn[2],
-        ftn[3],
+        ftn.has_notes_reg,
+        ftn.has_notes_star,
+        ftn.has_notes_plus,
         urls,
         images_without_dimensions,
       );
       return t;
     }
     auto init() {
-      Tuple!(string, bool, bool, bool, bool, bool) t = object_notes_and_links_("");
+      TxtPlusHasFootnotesUrlsImages t = object_notes_and_links_("");
       return t;
     }
     invariant() {
@@ -4482,7 +4504,7 @@ template docAbstraction() {
        .replaceFirst(rgx.heading, "")
        .replaceFirst(rgx.object_number_off_all, "")
        .strip;
-      Tuple!(string, bool, bool, bool, bool, bool) t = object_notes_and_links_(obj_txt["munge"], reset_note_numbers);
+      TxtPlusHasFootnotesUrlsImages t = object_notes_and_links_(obj_txt["munge"], reset_note_numbers);
       debug(munge) {
         writeln(__LINE__);
         writeln(obj_txt_in);
@@ -4497,7 +4519,7 @@ template docAbstraction() {
       obj_txt["munge"]=(obj_txt_in)
         .replaceFirst(rgx.para_attribs, "")
         .replaceFirst(rgx.object_number_off_all, "");
-      Tuple!(string, bool, bool, bool, bool, bool) t = object_notes_and_links_(obj_txt["munge"]);
+      TxtPlusHasFootnotesUrlsImages t = object_notes_and_links_(obj_txt["munge"]);
       debug(munge) {
         writeln(__LINE__);
         writeln(obj_txt_in);
@@ -4514,21 +4536,21 @@ template docAbstraction() {
     }
     auto munge_group(string obj_txt_in) @safe {
       obj_txt["munge"]=obj_txt_in;
-      Tuple!(string, bool, bool, bool, bool, bool) t = object_notes_and_links_(obj_txt["munge"]);
+      TxtPlusHasFootnotesUrlsImages t = object_notes_and_links_(obj_txt["munge"]);
       return t;
     }
     invariant() {
     }
     auto munge_block()(string obj_txt_in) @safe {
       obj_txt["munge"]=obj_txt_in;
-      Tuple!(string, bool, bool, bool, bool, bool) t = object_notes_and_links_(obj_txt["munge"]);
+      TxtPlusHasFootnotesUrlsImages t = object_notes_and_links_(obj_txt["munge"]);
       return t;
     }
     invariant() {
     }
     auto munge_verse()(string obj_txt_in) @safe {
       obj_txt["munge"]=obj_txt_in;
-      Tuple!(string, bool, bool, bool, bool, bool) t = object_notes_and_links_(obj_txt["munge"]);
+      TxtPlusHasFootnotesUrlsImages t = object_notes_and_links_(obj_txt["munge"]);
       return t;
     }
     invariant() {
@@ -4558,7 +4580,7 @@ template docAbstraction() {
     static auto munge = ObjInlineMarkupMunge();
     string[string] obj_txt;
     static string anchor_tag = "";
-    auto obj_inline_markup_and_anchor_tags_and_misc(CMM)(
+    TxtAndAnchorTagPlusHasFootnotesUrlsImages obj_inline_markup_and_anchor_tags_and_misc(CMM)(
       string[string]   obj_,
       string           obj_key_,
       CMM              conf_make_meta,
@@ -4638,7 +4660,7 @@ template docAbstraction() {
         obj_notes_and_links["image_no_dimensions"] = x[5];
         break;
       }
-      Tuple!(string, string, bool, bool, bool, bool) t = tuple(
+      TxtAndAnchorTagPlusHasFootnotesUrlsImages t = tuple(
         obj_txt["munge"],
         anchor_tag,
         obj_notes_and_links["notes_reg"],
diff --git a/src/doc_reform/meta/metadoc_harvest.d b/src/doc_reform/meta/metadoc_harvest.d
index 4bb62ae..eb050e4 100644
--- a/src/doc_reform/meta/metadoc_harvest.d
+++ b/src/doc_reform/meta/metadoc_harvest.d
@@ -18,7 +18,7 @@ template spineMetaDocHarvest() {
       std.utf,
       std.conv : to;
     mixin InternalMarkup;
-    auto markup = InlineMarkup();
+    static auto mkup = InlineMarkup();
     import doc_reform.io_out.paths_output;
     auto pth_html_abs                  = spinePathsHTML!()(doc_matters.output_path, doc_matters.src.language);
     auto pth_html_rel                  = spineDocRootTreeHTML!()(doc_matters.src.language);
diff --git a/src/doc_reform/meta/metadoc_harvests_authors.d b/src/doc_reform/meta/metadoc_harvests_authors.d
index 19ed583..3a7aebc 100644
--- a/src/doc_reform/meta/metadoc_harvests_authors.d
+++ b/src/doc_reform/meta/metadoc_harvests_authors.d
@@ -14,7 +14,7 @@ module doc_reform.meta.metadoc_harvests_authors;
   mixin InternalMarkup;
   mixin spineRgxInit;
 template spineMetaDocHarvestsAuthors() {
-  auto mkup = InlineMarkup();
+  static auto mkup = InlineMarkup();
   void spineMetaDocHarvestsAuthors(H,M,O)(
     H  harvests,
     M  _make_and_meta_struct,
diff --git a/src/doc_reform/meta/metadoc_harvests_topics.d b/src/doc_reform/meta/metadoc_harvests_topics.d
index 5e11b7e..8c41f3b 100644
--- a/src/doc_reform/meta/metadoc_harvests_topics.d
+++ b/src/doc_reform/meta/metadoc_harvests_topics.d
@@ -14,7 +14,7 @@ module doc_reform.meta.metadoc_harvests_topics;
   mixin InternalMarkup;
   mixin spineRgxInit;
 template spineMetaDocHarvestsTopics() {
-  auto mkup = InlineMarkup();
+  static auto mkup = InlineMarkup();
   void spineMetaDocHarvestsTopics(H,M,O)(
     H  hvst,
     M  _make_and_meta_struct,