From 90873fabd7451e1dd8c4b39303906e19bdc481f7 Mon Sep 17 00:00:00 2001 From: Ralph Amissah Date: Wed, 10 Apr 2024 22:24:34 -0400 Subject: 0.16.0 sisudoc (src/sisudoc sisudoc spine) - src/sisudoc (replaces src/doc_reform) - sisudoc spine (used more) --- src/sisudoc/COPYRIGHT | 166 + src/sisudoc/conf/compile_time_info.d | 88 + src/sisudoc/io_in/paths_source.d | 888 +++++ src/sisudoc/io_in/read_config_files.d | 279 ++ src/sisudoc/io_in/read_source_files.d | 396 ++ src/sisudoc/io_out/cgi_sqlite_search_form.d | 1959 ++++++++++ src/sisudoc/io_out/create_zip_file.d | 68 + src/sisudoc/io_out/defaults.d | 186 + src/sisudoc/io_out/epub3.d | 810 ++++ src/sisudoc/io_out/html.d | 626 +++ src/sisudoc/io_out/html_snippet.d | 103 + src/sisudoc/io_out/hub.d | 238 ++ src/sisudoc/io_out/latex.d | 1771 +++++++++ src/sisudoc/io_out/metadata.d | 609 +++ src/sisudoc/io_out/odt.d | 2162 ++++++++++ src/sisudoc/io_out/package.d | 69 + src/sisudoc/io_out/paths_output.d | 672 ++++ src/sisudoc/io_out/rgx.d | 157 + src/sisudoc/io_out/rgx_latex.d | 68 + src/sisudoc/io_out/rgx_xhtml.d | 63 + src/sisudoc/io_out/source_pod.d | 424 ++ src/sisudoc/io_out/sqlite.d | 1761 +++++++++ src/sisudoc/io_out/xmls.d | 1424 +++++++ src/sisudoc/io_out/xmls_css.d | 4451 +++++++++++++++++++++ src/sisudoc/meta/conf_make_meta_json.d | 695 ++++ src/sisudoc/meta/conf_make_meta_structs.d | 316 ++ src/sisudoc/meta/conf_make_meta_yaml.d | 1277 ++++++ src/sisudoc/meta/defaults.d | 297 ++ src/sisudoc/meta/doc_debugs.d | 252 ++ src/sisudoc/meta/metadoc.d | 296 ++ src/sisudoc/meta/metadoc_curate.d | 92 + src/sisudoc/meta/metadoc_curate_authors.d | 530 +++ src/sisudoc/meta/metadoc_curate_topics.d | 693 ++++ src/sisudoc/meta/metadoc_from_src.d | 1509 +++++++ src/sisudoc/meta/metadoc_from_src_functions.d | 5216 +++++++++++++++++++++++++ src/sisudoc/meta/metadoc_object_setter.d | 426 ++ src/sisudoc/meta/metadoc_show_config.d | 232 ++ src/sisudoc/meta/metadoc_show_make.d | 123 + src/sisudoc/meta/metadoc_show_metadata.d | 171 + src/sisudoc/meta/metadoc_show_summary.d | 162 + src/sisudoc/meta/package.d | 64 + src/sisudoc/meta/rgx.d | 270 ++ src/sisudoc/meta/rgx_files.d | 72 + src/sisudoc/meta/rgx_yaml_tags.d | 62 + src/sisudoc/share/defaults.d | 72 + src/sisudoc/spine.d | 1272 ++++++ 46 files changed, 33537 insertions(+) create mode 100644 src/sisudoc/COPYRIGHT create mode 100644 src/sisudoc/conf/compile_time_info.d create mode 100644 src/sisudoc/io_in/paths_source.d create mode 100644 src/sisudoc/io_in/read_config_files.d create mode 100644 src/sisudoc/io_in/read_source_files.d create mode 100644 src/sisudoc/io_out/cgi_sqlite_search_form.d create mode 100644 src/sisudoc/io_out/create_zip_file.d create mode 100644 src/sisudoc/io_out/defaults.d create mode 100644 src/sisudoc/io_out/epub3.d create mode 100644 src/sisudoc/io_out/html.d create mode 100644 src/sisudoc/io_out/html_snippet.d create mode 100644 src/sisudoc/io_out/hub.d create mode 100644 src/sisudoc/io_out/latex.d create mode 100644 src/sisudoc/io_out/metadata.d create mode 100644 src/sisudoc/io_out/odt.d create mode 100644 src/sisudoc/io_out/package.d create mode 100644 src/sisudoc/io_out/paths_output.d create mode 100644 src/sisudoc/io_out/rgx.d create mode 100644 src/sisudoc/io_out/rgx_latex.d create mode 100644 src/sisudoc/io_out/rgx_xhtml.d create mode 100644 src/sisudoc/io_out/source_pod.d create mode 100644 src/sisudoc/io_out/sqlite.d create mode 100644 src/sisudoc/io_out/xmls.d create mode 100644 src/sisudoc/io_out/xmls_css.d create mode 100644 src/sisudoc/meta/conf_make_meta_json.d create mode 100644 src/sisudoc/meta/conf_make_meta_structs.d create mode 100644 src/sisudoc/meta/conf_make_meta_yaml.d create mode 100644 src/sisudoc/meta/defaults.d create mode 100644 src/sisudoc/meta/doc_debugs.d create mode 100644 src/sisudoc/meta/metadoc.d create mode 100644 src/sisudoc/meta/metadoc_curate.d create mode 100644 src/sisudoc/meta/metadoc_curate_authors.d create mode 100644 src/sisudoc/meta/metadoc_curate_topics.d create mode 100644 src/sisudoc/meta/metadoc_from_src.d create mode 100644 src/sisudoc/meta/metadoc_from_src_functions.d create mode 100644 src/sisudoc/meta/metadoc_object_setter.d create mode 100644 src/sisudoc/meta/metadoc_show_config.d create mode 100644 src/sisudoc/meta/metadoc_show_make.d create mode 100644 src/sisudoc/meta/metadoc_show_metadata.d create mode 100644 src/sisudoc/meta/metadoc_show_summary.d create mode 100644 src/sisudoc/meta/package.d create mode 100644 src/sisudoc/meta/rgx.d create mode 100644 src/sisudoc/meta/rgx_files.d create mode 100644 src/sisudoc/meta/rgx_yaml_tags.d create mode 100644 src/sisudoc/share/defaults.d create mode 100755 src/sisudoc/spine.d (limited to 'src/sisudoc') diff --git a/src/sisudoc/COPYRIGHT b/src/sisudoc/COPYRIGHT new file mode 100644 index 0000000..37ec057 --- /dev/null +++ b/src/sisudoc/COPYRIGHT @@ -0,0 +1,166 @@ +- Name: spine - SiSU Spine, Doc Reform + - Description: documents, structuring, processing, publishing, search + - static content generator + + - Author: Ralph Amissah + [ralph.amissah@gmail.com] + + - Copyright: (C) 2015 - 2024 Ralph Amissah + + - code under src/* src/sisudoc/* + - License: AGPL 3 or later: + + Spine, Doc Reform (SiSU), a framework for document structuring, publishing and + search + + Copyright (C) Ralph Amissah + + This program is free software: you can redistribute it and/or modify it + under the terms of the GNU AFERO General Public License as published by + the Free Software Foundation, either version 3 of the License, or (at your + option) any later version. + + This program is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY + or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + for more details. + + You should have received a copy of the GNU General Public License along + with this program. If not, see [https://www.gnu.org/licenses/]. + + If you have Internet connection, the latest version of the AGPL should be + available at these locations: + [https://www.fsf.org/licensing/licenses/agpl.html] + [https://www.gnu.org/licenses/agpl.html] + + - Spine, Doc Reform (related to SiSU) uses standard: + - docReform markup syntax (based on SiSU markup) + - standard SiSU markup syntax with modified headers and minor + modifications + - docReform object numbering (based on SiSU object citation numbering) + - standard SiSU document object numbering + + - Homepages: + [https://www.sisudoc.org] + +- Spine, Doc Reform (SiSU) markup samples + Individual document content Copyright (Author) [as stated in document header] + Individual document content License (Author) [as stated in document header] + +- Dependencies [check dub.json or dub.sdl] + + - Name: d2sqlite3 + - Description: + This is a small wrapper around SQLite for the D programming language. + + - Author: + [Nicolas Sicard] + [https://github.com/dlang-community/d2sqlite3/graphs/contributors] + + - Copyright: (C) 2011-2018, Nicolas Sicard + + - code: + - License: BSL-1.0 + Boost Software License 1.0 + [https://www.boost.org/LICENSE_1_0.txt] + + - Homepages: + [https://github.com/dlang-community/d2sqlite3] + [https://code.dlang.org/packages/d2sqlite3] + + - src/ext_depends/d2sqlite3 + - sundry/spine_search_cgi/src/ext_depends_cgi/d2sqlite3 + + - Name: dyaml + - Description: + D:YAML is an open source YAML parser and emitter library for the D programming language. + + - Author: + [Ferdinand Majerech] + + - Copyright: (C) 2011-2018, Ferdinand Majerech + + - code: + - License: BSL-1.0 + Boost Software License 1.0 + [https://www.boost.org/LICENSE_1_0.txt] + + - Homepages: + [https://github.com/dlang-community/D-YAML] + [https://code.dlang.org/packages/dyaml] + + - src/ext_depends/D-YAML + + - Name: imageformats + - Description: + + - Author: + [Tero Hänninen] + + - Copyright: (C) Tero Hänninen + + - code: + - License: BSL-1.0 + Boost Software License 1.0 + [https://www.boost.org/LICENSE_1_0.txt] + + - Homepages: + [https://github.com/lgvz/imageformats] + [https://code.dlang.org/packages/imageformats] + + - src/ext_depends/imageformats + + - Name: tinyendian (dyaml dependency) + - Description: + TinyEndian is a minimal endianness library for the D programming language. + + - Author: + [Ferdinand Majerech] + + - Copyright: (C) 2014 Ferdinand Majerech + + - code: + - License: BSL-1.0 + Boost Software License 1.0 + [https://www.boost.org/LICENSE_1_0.txt] + + - Homepages: + [https://github.com/dlang-community/tinyendian] + [https://code.dlang.org/packages/tinyendian] + + - src/ext_depends/tinyendian + +- Name: cgi.d + - Description: + + - Author: + [Adam D. Ruppe] + + - Copyright: (C) 2008 - 2023 Adam D. Ruppe + + - code: cgi.d + aria2c https://raw.githubusercontent.com/adamdruppe/arsd/master/cgi.d + + - License: BSL-1.0 + Boost Software License 1.0 + [https://www.boost.org/LICENSE_1_0.txt] + (Check the bottom of the file for details) + + - Homepages: + [https://github.com/adamdruppe/arsd] + + - sundry/spine_search_cgi/src/ext_depends_cgi/arsd + +- Name: dub2nix + - Description: + + - Author: + [Lionello Lunesu] + + - Copyright: (C) 2019 Lionello Lunesu + + - code: mkDub.nix (modified as needed) + - License: MIT License + + - Homepages: + [https://github.com/lionello/dub2nix] diff --git a/src/sisudoc/conf/compile_time_info.d b/src/sisudoc/conf/compile_time_info.d new file mode 100644 index 0000000..e1ce86b --- /dev/null +++ b/src/sisudoc/conf/compile_time_info.d @@ -0,0 +1,88 @@ +/+ +- Name: SisuDoc Spine, Doc Reform [a part of] + - Description: documents, structuring, processing, publishing, search + - static content generator + + - Author: Ralph Amissah + [ralph.amissah@gmail.com] + + - Copyright: (C) 2015 - 2024 Ralph Amissah, All Rights Reserved. + + - License: AGPL 3 or later: + + Spine (SiSU), a framework for document structuring, publishing and + search + + Copyright (C) Ralph Amissah + + This program is free software: you can redistribute it and/or modify it + under the terms of the GNU AFERO General Public License as published by the + Free Software Foundation, either version 3 of the License, or (at your + option) any later version. + + This program is distributed in the hope that it will be useful, but WITHOUT + ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + more details. + + You should have received a copy of the GNU General Public License along with + this program. If not, see [https://www.gnu.org/licenses/]. + + If you have Internet connection, the latest version of the AGPL should be + available at these locations: + [https://www.fsf.org/licensing/licenses/agpl.html] + [https://www.gnu.org/licenses/agpl.html] + + - Spine (by Doc Reform, related to SiSU) uses standard: + - docReform markup syntax + - standard SiSU markup syntax with modified headers and minor modifications + - docReform object numbering + - standard SiSU object citation numbering & system + + - Homepages: + [https://www.sisudoc.org] + [https://www.doc-reform.org] + + - Git + [https://git.sisudoc.org/] + ++/ +/++ + compile_time_info ++/ +module sisudoc.conf.compile_time_info; +@safe: +template CompileTimeInfo() { + version(Windows) { + pragma(msg, "[ Windows compilation ]"); + enum os = "Windows"; + } else version(OSX) { + pragma(msg, "[ Mac OS X POSIX System compilation ]"); + enum os = "OSX"; + } else version(linux) { + pragma(msg, "[ Linux POSIX System compilation ]"); + enum os = "Linux"; + } else version(FreeBSD) { + pragma(msg, "[ FreeBSD POSIX System compilation ]"); + enum os = "FreeBSD"; + } else version(OpenBSD) { + pragma(msg, "[ OpenBSD POSIX System compilation ]"); + enum os = "OpenBSD"; + } else version(NetBSD) { + pragma(msg, "[ NetBSD POSIX System compilation ]"); + enum os = "NetBSD"; + } else version(DragonFlyBSD) { + pragma(msg, "[ DragonFlyBSD POSIX System compilation ]"); + enum os = "DragonFlyBSD"; + } else version(POSIX) { + pragma(msg, "[ POSIX System compilation ]"); + enum os = "POSIX"; + } else { + static assert(0, "OS not listed"); + } + version(D_LP64) { + enum bits = "64 bit"; + } else { + enum bits = "32 bit"; + } +} diff --git a/src/sisudoc/io_in/paths_source.d b/src/sisudoc/io_in/paths_source.d new file mode 100644 index 0000000..071abff --- /dev/null +++ b/src/sisudoc/io_in/paths_source.d @@ -0,0 +1,888 @@ +/+ +- Name: SisuDoc Spine, Doc Reform [a part of] + - Description: documents, structuring, processing, publishing, search + - static content generator + + - Author: Ralph Amissah + [ralph.amissah@gmail.com] + + - Copyright: (C) 2015 - 2024 Ralph Amissah, All Rights Reserved. + + - License: AGPL 3 or later: + + Spine (SiSU), a framework for document structuring, publishing and + search + + Copyright (C) Ralph Amissah + + This program is free software: you can redistribute it and/or modify it + under the terms of the GNU AFERO General Public License as published by the + Free Software Foundation, either version 3 of the License, or (at your + option) any later version. + + This program is distributed in the hope that it will be useful, but WITHOUT + ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + more details. + + You should have received a copy of the GNU General Public License along with + this program. If not, see [https://www.gnu.org/licenses/]. + + If you have Internet connection, the latest version of the AGPL should be + available at these locations: + [https://www.fsf.org/licensing/licenses/agpl.html] + [https://www.gnu.org/licenses/agpl.html] + + - Spine (by Doc Reform, related to SiSU) uses standard: + - docReform markup syntax + - standard SiSU markup syntax with modified headers and minor modifications + - docReform object numbering + - standard SiSU object citation numbering & system + + - Homepages: + [https://www.sisudoc.org] + [https://www.doc-reform.org] + + - Git + [https://git.sisudoc.org/] + ++/ +/++ + read configuration files
+ - read config files
+ meta_config_files.d ++/ +module sisudoc.io_in.paths_source; +@safe: +import + std.array, + std.file, + std.path, + std.regex, + std.stdio, + std.conv : to; +import + sisudoc.meta.defaults, + sisudoc.meta.rgx_files; +template PodManifest() { + mixin spineRgxFiles; + static auto rgx_files = RgxFiles(); + auto PodManifest(O)( + O _opt_action, + string _pth="" + ) { + struct ManifestFile_ { + string pod_manifest_filename() { + return "pod.manifest"; + } + string pod_manifest_path() { + string _manifest_path; + if ((isValidPath(_pth) && exists(_pth) != 0 && _pth.isDir) + && (exists(_pth.chainPath(pod_manifest_filename).array) != 0 + && (_pth.chainPath(pod_manifest_filename).array).isFile)) { + _manifest_path = _pth; + } else if (_pth.match(rgx_files.src_pth_contents) + && exists(_pth) != 0 && _pth.isFile) { + _manifest_path = _pth.dirName; + } else if (_pth.match(rgx_files.src_pth_pod_sst_or_ssm) + && exists(_pth) != 0 && (_pth.isFile)) { + if (auto m = _pth.match(rgx_files.src_pth_pod_sst_or_ssm)) { + _manifest_path = m.captures["podpath"]; + } + } else { + if (_opt_action.vox_gt1 || _opt_action.debug_do) { + writeln("WARNING, src is not a pod, issue with manifest_path: ", _pth); // remove? unless can distinguish pod + } + _manifest_path = ""; + } + return _manifest_path; + } + string pods_collection_root_path() { + return (pod_manifest_path.length > 0) ? ((chainPath(pod_manifest_path, "..")).asNormalizedPath).array.to!string : ""; + } + string pod_manifest_file_with_path() { + string _k; + if (exists(pod_manifest_path.chainPath(pod_manifest_filename).array)!=0) { + _k = pod_manifest_path.chainPath(pod_manifest_filename).array; + } else if (exists(pod_manifest_path)!=0) { + _k = pod_manifest_path; + } + if (exists(_k)==0) { + writeln("ERROR >> Processing Skipped! Manifest not found: ", _k); + _k = null; + } + return _k; + } + } + return ManifestFile_(); + } +} +template PathMatters() { + mixin InternalMarkup; + mixin spineRgxFiles; + static auto rgx_files = RgxFiles(); + static auto mkup = InlineMarkup(); + auto PathMatters(O,E)( + O _opt_action, + E _env, + string _pth, + string _fns = "", + char[][] _manifest_fn_list = [[]], + ) { + auto _manifested = PodManifest!()(_opt_action, _pth); + struct ManifestMatters_ { + auto env() { + auto _env = _env; + struct Env_ { + auto pwd() { + return _env["pwd"]; + } + auto home() { + return _env["home"]; + } + } + return Env_(); + } + auto opt() { + struct Opt_ { + auto action() { + return _opt_action; + } + } + return Opt_(); + } + bool src_is_pod() { + return (_manifested.pod_manifest_path.length > 0) ? true : false; + } + auto pod() { + struct Pod_ { + bool src_is_pod() { + return (_manifested.pod_manifest_path.length > 0) ? true : false; + } + string collection_root() { + return _manifested.pods_collection_root_path; + } + string manifest_filename() { + return _manifested.pod_manifest_filename; + } + string manifest_path() { + return _manifested.pod_manifest_path; + } + string pod_name_with_path() { + return _manifested.pod_manifest_path.baseName; + } + string manifest_file_with_path() { + return _manifested.pod_manifest_file_with_path; + } + string[] config_dr_document_make_dirs() { + string[] _config_dirs; + return _config_dirs; + } + string[] config_local_site_dirs() { + string[] _config_dirs; + return _config_dirs; + } + string[] image_dirs() { + string[] _image_dirs; + return _image_dirs; + } + auto manifest_list_of_filenames() { + return _manifest_fn_list; + } + string[] manifest_list_of_languages() { + string[] _lngs; + foreach (filename_; manifest_list_of_filenames) { + string _k = "en"; + if (auto m = (filename_).match(rgx_files.language_code_and_filename)) { + _k = m.captures[1].to!string; + } + _lngs ~= _k; // all the languages from the manifest list of filenames with paths + } + return _lngs; + } + } + return Pod_(); + } + auto src() { + string _fns = _fns; // required here by dmd & not by ldc (for D:2078) + auto _opt_action = _opt_action; + auto _env = _env; + struct SRC_ { + bool is_pod() { + return (_manifested.pod_manifest_path.length > 0) ? true : false; + } + string path_and_fn() { + return _fns; + } + string pod_name_with_path() { + return (is_pod) ? _manifested.pod_manifest_path : ""; + } + string pods_collection_root_path() { + return (is_pod) ? _manifested.pods_collection_root_path : ""; + } + string pod_name() { + return pod_name_with_path.baseName; + } + string filename() { + return path_and_fn.baseName; + } + string filename_base() { + return filename.stripExtension; + } + string filename_extension() { + return filename.match(rgx_files.src_pth_sst_or_ssm).captures["extension"]; + } + string lng() { + string _k; + if (auto m = path_and_fn.match(rgx_files.language_code_and_filename)) { + _k = m.captures[1]; + } else {_k = "en"; } + return _k; + } + string doc_uid() { + string _uid; + if (is_pod && !(pod_name_with_path.empty)) { + if (pod_name_with_path.baseName == filename_base) { + _uid = filename_base ~ "." ~ filename_extension ~ mkup.uid_sep ~ lng; + } else { + _uid = pod_name_with_path.baseName ~ mkup.uid_sep ~ filename_base ~ "." ~ filename_extension ~ mkup.uid_sep ~ lng; + } + } else { + _uid = mkup.uid_sep ~ filename_base ~ "." ~ filename_extension ~ mkup.uid_sep ~ lng; + } + return _uid; + } + string doc_uid_out() { + string _uid; + if (is_pod && !(pod_name_with_path.empty)) { + if (pod_name_with_path.baseName == filename_base) { + _uid = filename_base ~ "." ~ lng; + } else { + _uid = pod_name_with_path.baseName ~ mkup.uid_sep ~ filename_base ~ "." ~ lng; + } + } else { + _uid = "_" ~ filename_base ~ "." ~ lng; + } + return _uid; + } + string docname_composite_unique_per_src_doc() { + string _fn; + if (pod_name_with_path.baseName == filename_base) { + _fn = filename_base ~ mkup.uid_sep ~ filename_extension ~ mkup.uid_sep ~ lng; + } else if (!(pod_name_with_path.empty)) { + _fn = pod_name_with_path.baseName ~ mkup.uid_sep ~ filename_base ~ mkup.uid_sep ~ filename_extension ~ mkup.uid_sep ~ lng; + } else { + _fn = "_" ~ mkup.uid_sep ~ filename_base ~ mkup.uid_sep ~ filename_extension ~ mkup.uid_sep ~ lng; + } + return _fn; + } + string docname_composite_unique_per_src_pod() { + /+ + z pod name if any + src filename (without lng code) + filename ~ mkup.uid_sep ~ lng + * unique per src pod + used by + - pod (multilingual collection) + - sqlite discrete index (multilingual collection) + +/ + string _fn; + if (pod_name_with_path.baseName == filename_base) { + _fn = filename_base ~ mkup.uid_sep ~ filename_extension; + } else if (!(pod_name_with_path.empty)) { + _fn = pod_name_with_path.baseName ~ mkup.uid_sep ~ filename_base ~ mkup.uid_sep ~ filename_extension; + } else { + _fn = "_" ~ mkup.uid_sep ~ filename_base ~ mkup.uid_sep ~ filename_extension; + } + return _fn; + } + string language() { + return lng(); + } + string file_with_absolute_path() { + return _env["pwd"].chainPath(path_and_fn).array; + } + string absolute_path_to_src() { + return (_env["pwd"].chainPath(path_and_fn)).dirName.array; + } + string path_to_doc_root_path_to_lang_and_filename() { + return _env["pwd"].chainPath(path_and_fn).array; + } + string base_dir() { + string _dir; + if ( + auto m = (absolute_path_to_src) + .match(regex(r"[/](?P(?:[a-zA-Z0-9._-]+))/pod/" ~ filename.stripExtension)) + ) { + _dir = ((path_and_fn.chainPath("../../")).asNormalizedPath).array; + assert(_dir == m.captures["dir"]); + } else { + _dir = ((path_and_fn.chainPath("../../../")).asNormalizedPath).array; + assert(_dir == absolute_path_to_src + .match(rgx_files.src_base_parent_dir_name).captures["dir"]); + } + if (_opt_action.debug_do) { + writeln("--> (base_dir) ", _dir); + } + return _dir; + } + string base_parent_dir_path() { + string _dir; + if ( + auto m = (absolute_path_to_src) + .match(regex(r"[/](?P(?:[a-zA-Z0-9._-]+))/pod/" ~ filename.stripExtension)) + ) { + _dir = ((path_and_fn.chainPath("../../")).asNormalizedPath).array; + } else { + _dir = ((path_and_fn.chainPath("../../../")).asNormalizedPath).array; + } + return _dir; + } + string base_dir_path() { + string _dir; + if ( + auto m = (absolute_path_to_src) + .match(rgx_files.src_formalised_file_path_parts) + ) { + _dir = ((m.captures["pth"]).asNormalizedPath).array; + } else if ( + auto m = (absolute_path_to_src) + .match(regex(r"[/](?P(?:[a-zA-Z0-9._-]+))/pod/" ~ filename.stripExtension)) + ) { + _dir = ((path_and_fn.chainPath("../")).asNormalizedPath).array; + } else { + _dir = ((path_and_fn.chainPath("../../")).asNormalizedPath).array; + } + if (_opt_action.debug_do) { + writeln("--> (base_dir_path) ", _dir); + } + return _dir; + } + string media_dir_path() { + string _dir = ((base_dir_path.chainPath("media")).asNormalizedPath).array; + return _dir; + } + string image_dir_path() { + string _paths; + string[] _possible_img_pths = [ "./image", "../image", "../../image" ]; + string _img_pth_found = ""; + if (is_pod) { + _img_pth_found = ((file_with_absolute_path.dirName ~ "/../../image").asNormalizedPath).array; + } else { + string _img_pth(string _possible_img_pth) { + return ((file_with_absolute_path.dirName ~ "/" ~ _possible_img_pth).asNormalizedPath).array; + } + foreach(_possible_img_pth; _possible_img_pths) { + if (exists(_img_pth(_possible_img_pth))) { + _img_pth_found = _img_pth(_possible_img_pth); + break; + } else { + _paths ~= " " ~ _img_pth(_possible_img_pth); + } + } + } + if (_img_pth_found.empty) { + writeln("WARNING not image path found, searched: ", _paths); + } + return _img_pth_found; + } + auto conf_dir_path() { + return ((base_dir_path.chainPath("conf")).asNormalizedPath).array; + } + auto base_parent_dir() { + string _dir; + if ( + auto m = (absolute_path_to_src) + .match(regex(r"[/](?P(?:[a-zA-Z0-9._-]+))/pod/" ~ filename.stripExtension)) + ) { + _dir = m.captures["dir"]; + } else { + _dir = (absolute_path_to_src).match(rgx_files.src_base_parent_dir_name).captures["dir"]; + } + if (_opt_action.debug_do) { + writeln("--> (base_parent_dir) ", _dir); + } + return _dir; + } + string[] config_dirs() { + string[] _config_dirs; + if (is_pod) { + } else {} + return _config_dirs; + } + string[] image_dirs() { + string[] _image_dirs; + if (is_pod) { + } else {} + return _image_dirs; + } + } + return SRC_(); + } + auto output() { + /+ + - command line if output path set + - config file if found and set set + - search for and if exists read config + - default paths to config related to: + - source markup path; + - current dir; + - home dir + - get output path if set + - (program) default within current directory? + +/ + auto _env = _env; + struct Out_ { + auto path() { + auto _output_path = _env["pwd"]; + if ((_opt_action.output_dir_set.length > 0) + && isValidPath(_opt_action.output_dir_set) + ) { + _output_path = ((_opt_action.output_dir_set).asNormalizedPath).array; + if (!exists(_output_path)) { + try { + _output_path.mkdirRecurse; + // } catch (ErrnoException ex) { + } catch (Exception ex) { + // Handle error + } + } + assert(_output_path.isDir, + "not a directory: " ~ _output_path); + // TODO always test that is a directory and it is writable + } + return _output_path; + } + } + return Out_(); + } + } + return ManifestMatters_(); + } +} +template configFilePaths() { + auto configFilePaths(M,E)( + M _manifested, + E _env, + string _cli_config_path_set = "" + ) { + struct ConfFilePaths { + string config_filename_document() { + return "dr_document_make"; + } + string config_filename_site() { + return "config_local_site"; + } + auto possible_config_path_locations() { + struct _ConfFilePaths { + string[] dr_document_make() { + /+ FIX clean up conf paths ↓ +/ + /+ config local site (file system only, not in pod) +/ + /+ return paths +/ + string[] _possible_config_path_locations; + if (_cli_config_path_set.empty) { + if (_manifested.src.is_pod) { + /+ config document in pod +/ + string _dr_doc_conf_pod; + string _dr_doc_conf_pod_text; + _dr_doc_conf_pod = asNormalizedPath(chainPath( + to!string(_env["pwd"]), + _manifested.pod.manifest_path ~ "/conf" + )).array; + _dr_doc_conf_pod_text = asNormalizedPath(chainPath( + to!string(_env["pwd"]), + _manifested.pod.manifest_path ~ "/media/text/" ~ _manifested.src.lng ~ "/conf" + )).array; + /+ return paths +/ + _possible_config_path_locations = [ + _dr_doc_conf_pod_text, + _dr_doc_conf_pod, + ]; + } else { + /+ config document (& or local site) on filesystem +/ + string _dr_doc_conf_pwd = ((chainPath(to!string(_env["pwd"]), "dr_doc/conf")).asNormalizedPath).array; // think about + string _dr_doc_conf_pwd_a = ((chainPath(to!string(_env["pwd"]), "conf")).asNormalizedPath).array; + string _dr_doc_conf_pwd_b = ((chainPath(to!string(_env["pwd"]), "../conf")).asNormalizedPath).array; + string _dr_doc_conf_pwd_c = ((chainPath(to!string(_env["pwd"]), "../../conf")).asNormalizedPath).array; + string _dr_doc_conf_pwd_d = ((chainPath(to!string(_env["pwd"]), "../../../conf")).asNormalizedPath).array; + /+ return paths +/ + _possible_config_path_locations = [ + _dr_doc_conf_pwd, + _dr_doc_conf_pwd_a, + _dr_doc_conf_pwd_b, + _dr_doc_conf_pwd_c, + _dr_doc_conf_pwd_d, + ]; + } + } else if (_cli_config_path_set.isDir) { + _possible_config_path_locations = [_cli_config_path_set ]; + // } else if (_cli_config_path_set.isFile) { // use file, taken care of elsewhere + } + /+ FIX clean up conf paths ↑ + (compare pwd to doc path location, and build config path) + +/ + return _possible_config_path_locations; + } + string[] config_local_site() { + /+ FIX clean up conf paths ↓ +/ + /+ config local site (file system only, not in pod) +/ + string[] _possible_config_path_locations; + if (_cli_config_path_set.empty) { + string _dot_pwd = ((chainPath(to!string(_env["pwd"]), ".dr")).asNormalizedPath).array; + string _underscore_pwd = ((chainPath(to!string(_env["pwd"]), "_dr")).asNormalizedPath).array; + string _dot_home = ((chainPath(to!string(_env["home"]), ".dr")).asNormalizedPath).array; + /+ return paths +/ + if (_manifested.src.is_pod) { + string _collection_root_a = ((chainPath(to!string(_manifested.pod.collection_root.to!string), ".dr")).asNormalizedPath).array; + string _collection_root_b = ((chainPath(to!string(_manifested.pod.collection_root.to!string), "_dr")).asNormalizedPath).array; + _possible_config_path_locations = [ + _dot_pwd, + _underscore_pwd, + _collection_root_a, + _collection_root_b, + _dot_home, + "/etc/dr", + ]; + } else { + /+ config document (& or local site) on filesystem +/ + string _dr_doc_conf_pwd = ((chainPath(to!string(_env["pwd"]), "dr_doc/conf")).asNormalizedPath).array; + string _dr_doc_conf_pwd_a = ((chainPath(to!string(_env["pwd"]), "conf")).asNormalizedPath).array; + string _dr_doc_conf_pwd_b = ((chainPath(to!string(_env["pwd"]), "../conf")).asNormalizedPath).array; + string _dr_doc_conf_pwd_c = ((chainPath(to!string(_env["pwd"]), "../../conf")).asNormalizedPath).array; + string _dr_doc_conf_pwd_d = ((chainPath(to!string(_env["pwd"]), "../../../conf")).asNormalizedPath).array; + _possible_config_path_locations = [ + _dr_doc_conf_pwd, + _dr_doc_conf_pwd_a, + _dr_doc_conf_pwd_b, + _dr_doc_conf_pwd_c, + _dr_doc_conf_pwd_d, + _dot_pwd, + _underscore_pwd, + _dot_home, + "/etc/dr" + ]; + } + } else { + _possible_config_path_locations = [ + _cli_config_path_set + ]; + } + /+ FIX clean up conf paths ↑ + (compare pwd to doc path location, and build config path) + +/ + return _possible_config_path_locations; + } + } + return _ConfFilePaths(); + } + } + return ConfFilePaths(); + } +} +template spinePathsSRC() { + mixin spineRgxFiles; + static auto rgx_files = RgxFiles(); + auto spinePathsSRC(D,Fn)( + D _pwd, + Fn _fn_src_and_path, + ) { + struct drSrcPaths { + auto pwd() { + return _pwd; + } + string language() { + // use command line info as well? + string _k; + if (auto m = _fn_src_and_path.match(rgx_files.language_code_and_filename)) { + _k = m.captures[1]; + } else { /+ unknown until doc_meta read, (could provide & use command line info?) +/ + _k = "xx"; // original default was "en" but is not known + } + return _k; + } + string doc_root() { + return "dr_doc"; + } + auto media_root() { + return ((doc_root.chainPath("media")).asNormalizedPath).array; + } + auto conf_root() { + return ((doc_root.chainPath("conf")).asNormalizedPath).array; + } + auto text_root() { + return ((media_root.chainPath("text")).asNormalizedPath).array; + } + auto image_root() { + return ((media_root.chainPath("image")).asNormalizedPath).array; + } + auto doc_src_fn_with_path_for_text_root_and_lng() { + return ((text_root.chainPath(language)).asNormalizedPath).array; + } + auto doc_src_fn() { + return ((_fn_src_and_path.baseName).asNormalizedPath).array; + } + auto doc_src_with_path() { + return ((pwd.chainPath(_fn_src_and_path)).asNormalizedPath).array; + } + } + return drSrcPaths(); + } +} + + +template spinePathsPods() { + string _suffix = ".zip"; + auto spinePathsPods(M)(M doc_matters) { + string _base_dir_pod = (doc_matters.output_path.length > 0) + ? doc_matters.output_path ~ "/pod" + : "/pod"; + string _base_dir_doc = "dr_doc"; + struct _PodPaths { + string base_filename_(string fn_src) { + return fn_src.baseName.stripExtension; + } + string internal_base() { + return "pod"; + } + string pod_dir_() { + return _base_dir_pod; + } + string dr_doc_dir_() { + return _base_dir_doc; + } + string pod_filename_(string fn_src) { + return _base_dir_pod.chainPath(base_filename_(fn_src) ~ _suffix).array; + } + string base_filesystem_(string fn_src) { + string pth = _base_dir_pod.chainPath(base_filename_(fn_src)).array; + assert(pth == _base_dir_pod ~ "/" ~ base_filename_(fn_src), + pth ~ " == " ~ _base_dir_pod ~ "/" ~ base_filename_(fn_src) ~ "?"); + return pth; + } + string output_pod_manifest_file(string fn_src) { + return base_filesystem_(fn_src).chainPath("pod.manifest").array; + } + string base_pod_(string fn_src) { + return _base_dir_pod.chainPath(base_filename_(fn_src)).array; // change this + } + auto base_filename(string fn_src) { + auto pth_1_ = base_filename_(fn_src); + auto pth_2_ = base_filename_(fn_src); + struct _pods { + auto zpod() { + return pth_1_; + } + auto filesystem_open_zpod() { + return pth_2_; + } + } + return _pods(); + } + auto pod_filename(string fn_src) { + auto pth_1_ = pod_filename_(fn_src); + auto pth_2_ = pod_filename_(fn_src); + struct _pods { + auto zpod() { + return pth_1_; + } + auto filesystem_open_zpod() { + return pth_2_; + } + } + return _pods(); + } + auto base(string fn_src) { + auto pth_1_ = ""; + auto pth_2_ = base_filesystem_(fn_src); + struct _pods { + auto zpod() { + return pth_1_; + } + auto filesystem_open_zpod() { + return pth_2_; + } + } + return _pods(); + } + auto pod_root(string fn_src) { + auto pth_1_ = "pod"; + auto pth_2_ = ((base(fn_src).filesystem_open_zpod.chainPath("")).asNormalizedPath).array; // "dr_doc" + struct _pods { + auto zpod() { + return pth_1_; + } + auto filesystem_open_zpod() { + return pth_2_; + } + } + return _pods(); + } + auto conf_root(string fn_src) { + auto pod_root_ = pod_root(fn_src); + auto pth_1_ = "conf"; + auto pth_2_ = ((pod_root(fn_src).filesystem_open_zpod.chainPath("conf")).asNormalizedPath).array; + struct _pods { + auto zpod() { + return pth_1_; + } + auto filesystem_open_zpod() { + // assert(pod_root_.filesystem_open_zpod.chainPath(zpod).array == pth_2_); + return pth_2_; + } + } + return _pods(); + } + auto css(string fn_src) { + auto pod_root_ = pod_root(fn_src); + auto pth_1_ = ((conf_root(fn_src).zpod.chainPath("css")).asNormalizedPath).array; + auto pth_2_ = ((conf_root(fn_src).filesystem_open_zpod.chainPath("css")).asNormalizedPath).array; + struct _pods { + auto zpod() { + return pth_1_; + } + auto filesystem_open_zpod() { + // assert(pod_root_.filesystem_open_zpod.chainPath(zpod).array == pth_2_); + return pth_2_; + } + } + return _pods(); + } + auto pod_manifest(string fn_src) { + auto pod_root_ = pod_root(fn_src); + auto pth_1_ = ((pod_root(fn_src).zpod.chainPath("pod.manifest")).asNormalizedPath).array; + auto pth_2_ = ((pod_root(fn_src).filesystem_open_zpod.chainPath("pod.manifest")).asNormalizedPath).array; + struct _pods { + auto zpod() { + return pth_1_; + } + auto filesystem_open_zpod() { + // assert(pod_root_.filesystem_open_zpod.chainPath(zpod).array == pth_2_); + return pth_2_; + } + } + return _pods(); + } + auto media_root(string fn_src) { + auto pod_root_ = pod_root(fn_src); + auto pth_1_ = ((pod_root(fn_src).zpod.chainPath("media")).asNormalizedPath).array; + auto pth_2_ = ((pod_root(fn_src).filesystem_open_zpod.chainPath("media")).asNormalizedPath).array; + struct _pods { + auto zpod() { + return pth_1_; + } + auto filesystem_open_zpod() { + // assert(pod_root_.filesystem_open_zpod.chainPath(zpod).array == pth_2_); + return pth_2_; + } + } + return _pods(); + } + auto text_root(string fn_src) { + auto pod_root_ = pod_root(fn_src); + auto pth_1_ = ((media_root(fn_src).zpod.chainPath("text")).asNormalizedPath).array; + auto pth_2_ = ((media_root(fn_src).filesystem_open_zpod.chainPath("text")).asNormalizedPath).array; + struct _pods { + auto zpod() { + return pth_1_; + } + auto filesystem_open_zpod() { + // assert(pod_root_.filesystem_open_zpod.chainPath(zpod).array == pth_2_); + return pth_2_; + } + } + return _pods(); + } + auto doc(string fn_src) { + auto pod_root_ = pod_root(fn_src); + auto pth_1_ = text_root(fn_src).zpod; + auto pth_2_ = text_root(fn_src).filesystem_open_zpod; + struct _pods { + auto zpod() { + return pth_1_; + } + auto filesystem_open_zpod() { + // assert(pod_root_.filesystem_open_zpod.chainPath(zpod).array == pth_2_); + return pth_2_; + } + } + return _pods(); + } + auto doc_lng(string fn_src, string lng) { + auto pod_root_ = pod_root(fn_src); + auto pth_1_ = ((text_root(fn_src).zpod.chainPath(lng)).asNormalizedPath).array; + auto pth_2_ = ((text_root(fn_src).filesystem_open_zpod.chainPath(lng)).asNormalizedPath).array; + struct _pods { + auto zpod() { + return pth_1_; + } + auto filesystem_open_zpod() { + // assert(pod_root_.filesystem_open_zpod.chainPath(zpod).array == pth_2_); + return pth_2_; + } + } + return _pods(); + } + auto image_root(string fn_src) { + auto pod_root_ = pod_root(fn_src); + auto pth_1_ = ((media_root(fn_src).zpod.chainPath("image")).asNormalizedPath).array; + auto pth_2_ = ((media_root(fn_src).filesystem_open_zpod.chainPath("image")).asNormalizedPath).array; + struct _pods { + auto zpod() { + return pth_1_; + } + auto filesystem_open_zpod() { + // assert(pod_root_.filesystem_open_zpod.chainPath(zpod).array == pth_2_); + return pth_2_; + } + } + return _pods(); + } + auto fn_pod_filelist(string fn_src) { + auto pod_root_ = pod_root(fn_src); + auto _manifested = PodManifest!()(doc_matters.opt.action, fn_src).pod_manifest_filename; + auto pth_1_ = _manifested; + auto pth_2_ = ((pod_root(fn_src).filesystem_open_zpod.chainPath(_manifested)).asNormalizedPath).array; + struct _pods { + auto zpod() { + return pth_1_; + } + auto filesystem_open_zpod() { + // assert(pod_root_.filesystem_open_zpod.chainPath(zpod).array == pth_2_); + return pth_2_; + } + } + return _pods(); + } + auto fn_doc(string fn_src, string lng) { + auto pod_root_ = pod_root(fn_src); + auto pth_1_ = ((doc_lng(fn_src, lng).zpod.chainPath(fn_src.baseName)).asNormalizedPath).array; + auto pth_2_ = ((doc_lng(fn_src, lng).filesystem_open_zpod.chainPath(fn_src.baseName)).asNormalizedPath).array; + struct _pods { + auto zpod() { + return pth_1_; + } + auto filesystem_open_zpod() { + // assert(pod_root_.filesystem_open_zpod.chainPath(zpod).array == pth_2_); + return pth_2_; + } + } + return _pods(); + } + auto fn_doc_insert(string fn_src, string fn_insert, string lng) { + auto pod_root_ = pod_root(fn_src); + auto pth_1_ = ((doc_lng(fn_src, lng).zpod.chainPath(fn_insert.baseName)).asNormalizedPath).array; + auto pth_2_ = ((doc_lng(fn_src, lng).filesystem_open_zpod.chainPath(fn_insert.baseName)).asNormalizedPath).array; + struct _pods { + auto zpod() { + return pth_1_; + } + auto filesystem_open_zpod() { + // assert(pod_root_.filesystem_open_zpod.chainPath(zpod).array == pth_2_); + return pth_2_; + } + } + return _pods(); + } + } + return _PodPaths(); + } +} diff --git a/src/sisudoc/io_in/read_config_files.d b/src/sisudoc/io_in/read_config_files.d new file mode 100644 index 0000000..c71364c --- /dev/null +++ b/src/sisudoc/io_in/read_config_files.d @@ -0,0 +1,279 @@ +/+ +- Name: SisuDoc Spine, Doc Reform [a part of] + - Description: documents, structuring, processing, publishing, search + - static content generator + + - Author: Ralph Amissah + [ralph.amissah@gmail.com] + + - Copyright: (C) 2015 - 2024 Ralph Amissah, All Rights Reserved. + + - License: AGPL 3 or later: + + Spine (SiSU), a framework for document structuring, publishing and + search + + Copyright (C) Ralph Amissah + + This program is free software: you can redistribute it and/or modify it + under the terms of the GNU AFERO General Public License as published by the + Free Software Foundation, either version 3 of the License, or (at your + option) any later version. + + This program is distributed in the hope that it will be useful, but WITHOUT + ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + more details. + + You should have received a copy of the GNU General Public License along with + this program. If not, see [https://www.gnu.org/licenses/]. + + If you have Internet connection, the latest version of the AGPL should be + available at these locations: + [https://www.fsf.org/licensing/licenses/agpl.html] + [https://www.gnu.org/licenses/agpl.html] + + - Spine (by Doc Reform, related to SiSU) uses standard: + - docReform markup syntax + - standard SiSU markup syntax with modified headers and minor modifications + - docReform object numbering + - standard SiSU object citation numbering & system + + - Homepages: + [https://www.sisudoc.org] + [https://www.doc-reform.org] + + - Git + [https://git.sisudoc.org/] + ++/ +/++ + read configuration files
+ - read config files
+ meta_config_files.d ++/ +module sisudoc.io_in.read_config_files; +@safe: +import + std.file, + std.path; +import + sisudoc.meta, + sisudoc.io_in.paths_source, + sisudoc.meta.rgx_files, + sisudoc.meta.rgx; +template readConfigSite() { + @system final auto readConfigSite(Cf,O,Cfg)(Cf _conf_file_details, O _opt_action, Cfg _cfg) { + mixin spineRgxIn; + static auto rgx = RgxI(); + string conf_filename = "NONE"; + string config_file_str; + string default_config_file_str = format(q"┃ +flag: + act0: "--html" + act1: "--html --epub" +output: + path: "%s" +default: + language: "en" + papersize: "a4" + text_wrap: "80" + digest: "sha256" +webserv: + http: "%s" + host: "%s" + data_http: "%s" + data_host: "%s" + data_root_url: "%s" + data_root_path: "%s" + data_root_part: "" + images_root_part: "image" + cgi_search_form_title: "%s" + cgi_http: "%s" + cgi_host: "%s" + cgi_bin_url: "%s" + cgi_bin_subpath: "%s" + cgi_bin_path: "%s" + cgi_search_script: "%s" + cgi_port: "" + cgi_user: "" + cgi_action: "%s" + db_sqlite_path: "%s" + db_sqlite_filename: "%s" + db_pg_table: "" + db_pg_user: "" +┃", + _cfg.processing_path_doc_root, // doc root + _cfg.http_request_type, // http + _cfg.http_host, // host / domain + _cfg.http_request_type, // data "http" or "https" + _cfg.http_host, // data domain "localhost" + _cfg.www_url_doc_root, // data root url "http://locahost" "https://sisudoc.org" + _cfg.processing_path_doc_root, // data root path + _cfg.cgi_search_form_title, // cgi title // e.g. "≅ SiSU Spine search" + _cfg.http_request_type, // cgi http + _cfg.http_host, // cgi host + _cfg.cgi_url_root, // cgi bin url + _cfg.cgi_bin_subpath, // cgi bin path + _cfg.cgi_bin_root, // cgi bin path + _cfg.cgi_filename, // cgi filename + _cfg.cgi_url_action, // cgi action + _cfg.db_sqlite_path, // sqlite db path + _cfg.db_sqlite_filename, // sqlite db filename +); + foreach(conf_fn; [_conf_file_details.config_filename_site]) { + foreach(pth; _conf_file_details.possible_config_path_locations.config_local_site) { + char[] conf_file; + conf_filename = conf_fn; + if (exists(pth)) { + auto f_attrib = pth.getLinkAttributes; + if ( + _conf_file_details.possible_config_path_locations.config_local_site.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) { + if (_opt_action.vox_gt1 || _opt_action.debug_do) { + writeln("config file used: \"", conf_file, "\" (cli flag settings override config file's individual settings)"); + } + config_file_str = conf_file.readText; + break; + } + } + } catch (ErrnoException ex) { + } catch (FileException ex) { + } + } + } + if (config_file_str.length > 0) { break; } + } + if (config_file_str.length > 0) { + import dyaml; + Node yaml_root; + try { + yaml_root = Loader.fromString(config_file_str).load(); + } catch (Throwable) { + import std.stdio; + writeln("ERROR failed to read config file content, not parsed as yaml, program default used"); + conf_filename = "VIRTUAL"; + config_file_str = default_config_file_str; + } + } + if (config_file_str.length == 0) { /+ use dummy default config file +/ + // writeln("WARNING config file NOT found, default provided"); + conf_filename = "VIRTUAL"; + config_file_str = default_config_file_str; + } + 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(); + } +} +static template readConfigDoc() { + import + std.file, + std.path; + import + sisudoc.meta, + sisudoc.io_in.paths_source, + sisudoc.meta.rgx_files, + sisudoc.meta.rgx; + @system final auto readConfigDoc(M,E)(M _manifested, E _env) { + mixin spineRgxIn; + static auto rgx = RgxI(); + mixin spineRgxFiles; + static auto rgx_files = RgxFiles(); + 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) { + char[] 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(); + } +} +static template configReadSiteYAML() { + import + std.file, + std.path; + import + sisudoc.meta, + sisudoc.io_in.paths_source, + sisudoc.meta.rgx_files, + sisudoc.meta.rgx; + 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() { + import + std.file, + std.path; + import + sisudoc.meta, + sisudoc.io_in.paths_source; + 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; + } +} diff --git a/src/sisudoc/io_in/read_source_files.d b/src/sisudoc/io_in/read_source_files.d new file mode 100644 index 0000000..4ba0b4f --- /dev/null +++ b/src/sisudoc/io_in/read_source_files.d @@ -0,0 +1,396 @@ +/+ +- Name: SisuDoc Spine, Doc Reform [a part of] + - Description: documents, structuring, processing, publishing, search + - static content generator + + - Author: Ralph Amissah + [ralph.amissah@gmail.com] + + - Copyright: (C) 2015 - 2024 Ralph Amissah, All Rights Reserved. + + - License: AGPL 3 or later: + + Spine (SiSU), a framework for document structuring, publishing and + search + + Copyright (C) Ralph Amissah + + This program is free software: you can redistribute it and/or modify it + under the terms of the GNU AFERO General Public License as published by the + Free Software Foundation, either version 3 of the License, or (at your + option) any later version. + + This program is distributed in the hope that it will be useful, but WITHOUT + ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + more details. + + You should have received a copy of the GNU General Public License along with + this program. If not, see [https://www.gnu.org/licenses/]. + + If you have Internet connection, the latest version of the AGPL should be + available at these locations: + [https://www.fsf.org/licensing/licenses/agpl.html] + [https://www.gnu.org/licenses/agpl.html] + + - Spine (by Doc Reform, related to SiSU) uses standard: + - docReform markup syntax + - standard SiSU markup syntax with modified headers and minor modifications + - docReform object numbering + - standard SiSU object citation numbering & system + + - Homepages: + [https://www.sisudoc.org] + [https://www.doc-reform.org] + + - Git + [https://git.sisudoc.org/] + ++/ +/++ + module source_read_source_files;
+ - open markup files
+ - if master file scan for addional files to import/insert ++/ +module sisudoc.io_in.read_source_files; +@safe: +template spineRawMarkupContent() { + import + std.file, + std.path; + import + sisudoc.meta, + sisudoc.io_in.paths_source, + sisudoc.meta.rgx_files, + sisudoc.meta.rgx; + mixin spineRgxIn; + static auto rgx = RgxI(); + mixin spineRgxFiles; + static auto rgx_files = RgxFiles(); + string[] _images=[]; + string[] _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(); + 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) { + 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(); + string 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; + HeaderContentInsertsImages t + = raw.markupSourceHeaderContentRawLineTupleArray(source_txt_str); + char[] header_raw = t.header; + char[][] sourcefile_body_content = t.src_txt; + if (fn_src.match(rgx_files.src_fn_master)) { // filename with path needed if master file (.ssm) not otherwise + auto ins = Inserts(); + ContentsInsertsImages tu + = ins.scan_master_src_for_insert_files_and_import_content(_opt_action, sourcefile_body_content, fn_src); + 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(); + ContentsInsertsImages tu + = ins.scan_master_src_for_insert_files_and_import_content(_opt_action, sourcefile_body_content, fn_src); + images_list = tu.images.dup; + } + string header_type = ""; + t = tuple( + header_raw, + sourcefile_body_content, + insert_file_list, + images_list + ); + return t; + } + } + struct MarkupRawUnit { + import std.file; + 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; + } + @trusted final private char[][] header0Content1(in string src_text) { // cast(char[]) + /+ 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; + } + @trusted final private char[][] markupSourceLineArray(in char[] src_text) { // cast(char[]) + char[][] source_line_arr + = (cast(char[]) src_text).split(rgx.newline_eol_strip_preceding); + return source_line_arr; + } + string markupSourceReadIn(in string fn_src) { + static auto rgx_files = RgxFiles(); + enforce( + fn_src.match(rgx_files.src_pth_sst_or_ssm), + "not a dr markup filename: «" ~ + fn_src ~ "»" + ); + string source_txt_str = readInMarkupSource(fn_src); + return source_txt_str; + } + HeaderContentInsertsImages 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]; + char[][] source_line_arr = markupSourceLineArray(source_txt); + HeaderContentInsertsImages t = tuple( + header, + source_line_arr, + file_insert_list, + images_list + ); + return t; + } + 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 ~ "»" + ); + string source_txt_str = readInMarkupSource(fn_src_insert); + char[][] source_line_arr = markupSourceLineArray(source_txt_str); + return source_line_arr; + } + } + struct Inserts { + alias ContentsAndImages = Tuple!( + char[][], "insert_contents", + string[], "images" + ); + ContentsAndImages scan_subdoc_source(O)( + O _opt_action, + char[][] markup_sourcefile_insert_content, + string fn_src + ) { + char[][] contents_insert; + int code_block_status = 0; + enum codeBlock { off, curly, tic, } + auto fn_pth_full = fn_src.match(rgx_files.src_pth_sst_or_ssm); + auto markup_src_file_path = fn_pth_full.captures[1]; + foreach (line; markup_sourcefile_insert_content) { + if (code_block_status == codeBlock.curly) { + if (line.matchFirst(rgx.block_curly_code_close)) { + code_block_status = codeBlock.off; + } + contents_insert ~= line; + } else if (line.matchFirst(rgx.block_curly_code_open)) { + code_block_status = codeBlock.curly; + contents_insert ~= line; + } else if (code_block_status == codeBlock.tic) { + if (line.matchFirst(rgx.block_tic_close)) { + code_block_status = codeBlock.off; + } + contents_insert ~= line; + } else if (line.matchFirst(rgx.block_tic_code_open)) { + code_block_status = codeBlock.tic; + contents_insert ~= line; + } else if (auto m = line.match(rgx_files.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; + auto raw = MarkupRawUnit(); + auto markup_sourcesubfile_insert_content + = raw.getInsertMarkupSourceContentRawLineArray(fn_src_insert, rgx_files.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 { + contents_insert ~= line; // images to extract for image list? + if (_opt_action.source || _opt_action.pod) { + string[] _image_linelist = _extract_images(line); + if (_image_linelist.length > 0) { + _images ~= _image_linelist; + } + } + } + } // end src subdoc (inserts) loop + ContentsAndImages t = tuple( + contents_insert, + _images + ); + return t; + } + ContentsInsertsImages scan_master_src_for_insert_files_and_import_content(O)( + O _opt_action, + char[][] sourcefile_body_content, + string fn_src + ) { + import std.algorithm; + char[][] contents; + int code_block_status = 0; + enum codeBlock { off, curly, tic, } + auto fn_pth_full = fn_src.match(rgx_files.src_pth_sst_or_ssm); + auto markup_src_file_path = fn_pth_full.captures[1]; + char[][] contents_insert; + string[] _images =[]; + string[] insert_file_list =[]; + foreach (line; sourcefile_body_content) { + if (code_block_status == codeBlock.curly) { + if (line.matchFirst(rgx.block_curly_code_close)) { + code_block_status = codeBlock.off; + } + contents ~= line; + } else if (line.matchFirst(rgx.block_curly_code_open)) { + code_block_status = codeBlock.curly; + contents ~= line; + } else if (code_block_status == codeBlock.tic) { + if (line.matchFirst(rgx.block_tic_close)) { + code_block_status = codeBlock.off; + } + contents ~= line; + } else if (line.matchFirst(rgx.block_tic_code_open)) { + code_block_status = codeBlock.tic; + contents ~= line; + } else if (auto m = line.match(rgx_files.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_files.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(); + ContentsAndImages contents_insert_tu = ins.scan_subdoc_source( + _opt_action, + markup_sourcefile_insert_content, + fn_src_insert.to!string + ); + contents ~= contents_insert_tu.insert_contents; + if (_opt_action.source || _opt_action.pod) { + string[] _image_linelist = _extract_images(contents_insert_tu.images); + 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) { + string[] _image_linelist = _extract_images(line); + if (_image_linelist.length > 0) { + _images ~= _image_linelist; + } + } + } + } // end src doc loop + string[] images = []; + foreach(i; uniq(_images.sort())) { + images ~= i; + } + debug(insert_file) { + writeln(__LINE__); + writeln(contents.length); + } + ContentsInsertsImages t = tuple( + contents, + insert_file_list, + images + ); + return t; + } + } +} diff --git a/src/sisudoc/io_out/cgi_sqlite_search_form.d b/src/sisudoc/io_out/cgi_sqlite_search_form.d new file mode 100644 index 0000000..e835b07 --- /dev/null +++ b/src/sisudoc/io_out/cgi_sqlite_search_form.d @@ -0,0 +1,1959 @@ +/+ +- Name: Spine, Doc Reform [a part of] + - Description: documents, structuring, processing, publishing, search + - static content generator + + - Author: Ralph Amissah + [ralph.amissah@gmail.com] + + - Copyright: (C) 2015 - 2022 Ralph Amissah, All Rights + Reserved. + + - License: AGPL 3 or later: + + Spine (SiSU), a framework for document structuring, publishing and + search + + Copyright (C) Ralph Amissah + + This program is free software: you can redistribute it and/or modify it + under the terms of the GNU AFERO General Public License as published by the + Free Software Foundation, either version 3 of the License, or (at your + option) any later version. + + This program is distributed in the hope that it will be useful, but WITHOUT + ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + more details. + + You should have received a copy of the GNU General Public License along with + this program. If not, see [https://www.gnu.org/licenses/]. + + If you have Internet connection, the latest version of the AGPL should be + available at these locations: + [https://www.fsf.org/licensing/licenses/agpl.html] + [https://www.gnu.org/licenses/agpl.html] + + - Spine (by Doc Reform, related to SiSU) uses standard: + - docReform markup syntax + - standard SiSU markup syntax with modified headers and minor modifications + - docReform object numbering + - standard SiSU object citation numbering & system + + - Homepages: + [https://www.doc_reform.org] + [https://www.sisudoc.org] + + - Git + [https://git.sisudoc.org/projects/?p=software/spine.git;a=summary] + ++/ +module doc_reform.io_out.cgi_sqlite_search_form; +template CGIsearchSQLite() { + void CGIsearchSQLite(E,O,M)(E env, O opt_action, M make_and_meta_struct) { + import + std.file, + std.format; + import doc_reform.io_out; + string _sqlite_db_fn = (opt_action.sqliteDB_filename.empty) + ? make_and_meta_struct.conf.w_srv_db_sqlite_filename + : opt_action.sqliteDB_filename; + string _cgi_search_script = (opt_action.cgi_sqlite_search_filename.empty) + ? make_and_meta_struct.conf.w_srv_cgi_search_script + : opt_action.cgi_sqlite_search_filename; + string _cgi_search_script_raw_fn_d = (opt_action.cgi_sqlite_search_filename_d.empty) + ? make_and_meta_struct.conf.w_srv_cgi_search_script_raw_fn_d + : opt_action.cgi_sqlite_search_filename_d; + string get_doc_collection_subroot(string output_path) { + string web_doc_root_path = environment.get("DOCUMENT_ROOT", "/var/www/html"); + auto m = output_path.matchFirst(regex("^(" ~ web_doc_root_path ~ ")")); + return m.post; + } + string the_cgi_search_form = format(q"≓ +/+ dub.sdl + name "spine search" + description "spine cgi search" ++/ +import std.format; +import std.range; +import std.regex; +import arsd.cgi; +import d2sqlite3; +import std.process : environment; +void cgi_function_intro(Cgi cgi) { + string header; + string table; + string form; + struct Config { + string http_request_type; + string http_host; + // string server_name; + string web_doc_root_path; + string doc_collection_subroot; + string cgi_root; + string cgi_script; + string data_path_html; + string db_path; + string query_string; + string http_url; + string request_method; + } + auto conf = Config(); + conf.http_request_type = environment.get("REQUEST_SCHEME", "http"); + conf.http_host = environment.get("HTTP_HOST", "localhost"); + // conf.server_name = environment.get("SERVER_NAME", "localhost"); + conf.web_doc_root_path = environment.get("DOCUMENT_ROOT", "/var/www/html"); + conf.doc_collection_subroot = "%s"; // (output_path - web_doc_root_path) + conf.cgi_root = environment.get("CONTEXT_DOCUMENT_ROOT", "/usr/lib/cgi-bin/"); + // conf.cgi_script = environment.get("SCRIPT_NAME", "/cgi-bin/spine-search"); + conf.query_string = environment.get("QUERY_STRING", ""); + conf.http_url = environment.get("HTTP_REFERER", conf.http_request_type ~ "://" ~ conf.http_host ~ conf.cgi_script ~ "?" ~ conf.query_string); + conf.db_path = "%s"; // (output_path + /sqlite) + conf.request_method = environment.get("REQUEST_METHOD", "POST"); + struct CGI_val { + string db_selected = ""; + string sql_match_limit = ""; // radio: ( 1000 | 2500 ) + string sql_match_offset = ""; + string search_text = ""; + string results_type = ""; // index + bool checked_echo = false; + bool checked_stats = false; + bool checked_url = false; + bool checked_searched = false; + bool checked_tip = false; + bool checked_sql = false; + } + auto cv = CGI_val(); + cv.db_selected = "%s"; + auto text_fields() { + string canned_query_str = environment.get("QUERY_STRING", ""); + if ("query_string" in cgi.post) { + canned_query_str = environment.get("QUERY_STRING", ""); + } + string[string] canned_query; + if (conf.request_method == "POST") { + } else if (conf.request_method == "GET") { + foreach (pair_str; canned_query_str.split("&")) { + // cgi.write(pair_str ~ "
"); + string[] pair = pair_str.split("="); + canned_query[pair[0]] = pair[1]; + } + // foreach (field, content; canned_query) { + // cgi.write(field ~ ": " ~ content ~ "
"); + // } + } + static struct Rgx { + // static canned_query = ctRegex!(`\A(?P.+)\Z`, "m"); + static search_text_area = ctRegex!(`\A(?P.+)\Z`, "m"); + // static fulltext = ctRegex!(`\A(?P.+)\Z`, "m"); + static line = ctRegex!(`^(?P.+?)(?: ~|$)`, "m"); + static text = ctRegex!(`(?:^|\s~\s*)text:\s+(?P.+?)(?: ~|$)`, "m"); + static author = ctRegex!(`(?:^|\s~\s*)author:\s+(?P.+)$`, "m"); + static title = ctRegex!(`(?:^|\s~\s*)title:\s+(?P.+)$`, "m"); + static uid = ctRegex!(`(?:^|\s~\s*)uid:\s+(?P.+)$`, "m"); + static fn = ctRegex!(`(?:^|\s~\s*)fn:\s+(?P.+)$`, "m"); + static keywords = ctRegex!(`(?:^|\s~\s*)keywords:\s+(?P.+)$`, "m"); + static topic_register = ctRegex!(`(?:^|\s~\s*)topic_register:\s+(?P.+)$`, "m"); + static subject = ctRegex!(`(?:^|\s~\s*)subject:\s+(?P.+)$`, "m"); + static description = ctRegex!(`(?:^|\s~\s*)description:\s+(?P.+)$`, "m"); + static publisher = ctRegex!(`(?:^|\s~\s*)publisher:\s+(?P.+)$`, "m"); + static editor = ctRegex!(`(?:^|\s~\s*)editor:\s+(?P.+)$`, "m"); + static contributor = ctRegex!(`(?:^|\s~\s*)contributor:\s+(?P.+)$`, "m"); + static date = ctRegex!(`(?:^|\s~\s*)date:\s+(?P.+)$`, "m"); + static results_type = ctRegex!(`(?:^|\s~\s*)type:\s+(?P.+)$`, "m"); + static format = ctRegex!(`(?:^|\s~\s*)format:\s+(?P.+)$`, "m"); + static source = ctRegex!(`(?:^|\s~\s*)source:\s+(?P.+)$`, "m"); + static language = ctRegex!(`(?:^|\s~\s*)language:\s+(?P.+)$`, "m"); + static relation = ctRegex!(`(?:^|\s~\s*)relation:\s+(?P.+)$`, "m"); + static coverage = ctRegex!(`(?:^|\s~\s*)coverage:\s+(?P.+)$`, "m"); + static rights = ctRegex!(`(?:^|\s~\s*)rights:\s+(?P.+)$`, "m"); + static comment = ctRegex!(`(?:^|\s~\s*)comment:\s+(?P.+)$`, "m"); + // static abstract_ = ctRegex!(`(?:^|\s~\s*)abstract:\s+(?P.+)$`, "m"); + static src_filename_base = ctRegex!(`^src_filename_base:\s+(?P.+)$`, "m"); + } + struct searchFields { + string canned_query = ""; // GET canned_query == cq + string search_text_area = ""; // POST search_text_area == tsa + string text = ""; // text == txt + string author = ""; // author == au + string title = ""; // title == ti + string uid = ""; // uid == uid + string fn = ""; // fn == fn + string keywords = ""; // keywords == kw + string topic_register = ""; // topic_register == tr + string subject = ""; // subject == su + string description = ""; // description == de + string publisher = ""; // publisher == pb + string editor = ""; // editor == ed + string contributor = ""; // contributor == ct + string date = ""; // date == dt + string format = ""; // format == fmt + string source = ""; // source == src sfn + string language = ""; // language == lng + string relation = ""; // relation == rl + string coverage = ""; // coverage == cv + string rights = ""; // rights == rgt + string comment = ""; // comment == cmt + // string abstract = ""; + string src_filename_base = ""; // src_filename_base == bfn + string results_type = ""; // results_type == rt radio + string sql_match_limit = ""; // sql_match_limit == sml radio + string sql_match_offset = ""; // sql_match_offset == smo + string stats = ""; // stats == sts checked + string echo = ""; // echo == ec checked + string url = ""; // url == url checked + string searched = ""; // searched == se checked + string sql = ""; // sql == sql checked + } + auto rgx = Rgx(); + auto got = searchFields(); + if (environment.get("REQUEST_METHOD", "POST") == "POST") { + if ("sf" in cgi.post) { + got.search_text_area = cgi.post["sf"]; + if (auto m = got.search_text_area.matchFirst(rgx.text)) { + got.text = m["matched"]; + got.canned_query ~= "sf=" ~ m["matched"]; + } else if (auto m = got.search_text_area.matchFirst(rgx.line)) { + if ( + !(m["matched"].matchFirst(rgx.author)) + && !(m["matched"].matchFirst(rgx.title)) + ) { + got.text = m["matched"]; + got.canned_query ~= "sf=" ~ m["matched"]; + } + } + if (auto m = got.search_text_area.matchFirst(rgx.author)) { + got.author = m["matched"]; + got.canned_query ~= "&au=" ~ m["matched"]; + } + if (auto m = got.search_text_area.matchFirst(rgx.title)) { + got.title = m["matched"]; + got.canned_query ~= "&ti=" ~ m["matched"]; + } + if (auto m = got.search_text_area.matchFirst(rgx.uid)) { + got.uid = m["matched"]; + got.canned_query ~= "&uid=" ~ m["matched"]; + } + if (auto m = got.search_text_area.matchFirst(rgx.fn)) { + got.fn = m["matched"]; + got.canned_query ~= "&fn=" ~ m["matched"]; + } else if ("fn" in cgi.post) { + got.search_text_area ~= "\nfn: " ~ cgi.post["fn"] ~ "\n"; + } + if (auto m = got.search_text_area.matchFirst(rgx.keywords)) { + got.keywords = m["matched"]; + got.canned_query ~= "&kw=" ~ m["matched"]; + } + if (auto m = got.search_text_area.matchFirst(rgx.topic_register)) { + got.topic_register = m["matched"]; + got.canned_query ~= "&tr=" ~ m["matched"]; + } + if (auto m = got.search_text_area.matchFirst(rgx.subject)) { + got.subject = m["matched"]; + got.canned_query ~= "&su=" ~ m["matched"]; + } + if (auto m = got.search_text_area.matchFirst(rgx.description)) { + got.description = m["matched"]; + got.canned_query ~= "&de=" ~ m["matched"]; + } + if (auto m = got.search_text_area.matchFirst(rgx.publisher)) { + got.publisher = m["matched"]; + got.canned_query ~= "&pb=" ~ m["matched"]; + } + if (auto m = got.search_text_area.matchFirst(rgx.editor)) { + got.editor = m["matched"]; + got.canned_query ~= "&ed=" ~ m["matched"]; + } + if (auto m = got.search_text_area.matchFirst(rgx.contributor)) { + got.contributor = m["matched"]; + got.canned_query ~= "&ct=" ~ m["matched"]; + } + if (auto m = got.search_text_area.matchFirst(rgx.date)) { + got.date = m["matched"]; + got.canned_query ~= "&dt=" ~ m["matched"]; + } + // if (auto m = got.search_text_area.matchFirst(rgx.results_type)) { + // got.results_type = m["matched"]; + // got.canned_query ~= "&rt=" ~ m["matched"]; + // } + if (auto m = got.search_text_area.matchFirst(rgx.format)) { + got.format = m["matched"]; + got.canned_query ~= "&fmt=" ~ m["matched"]; + } + if (auto m = got.search_text_area.matchFirst(rgx.source)) { + got.source = m["matched"]; + got.canned_query ~= "&src=" ~ m["matched"]; + } + if (auto m = got.search_text_area.matchFirst(rgx.language)) { + got.language = m["matched"]; + got.canned_query ~= "&lng=" ~ m["matched"]; + } + if (auto m = got.search_text_area.matchFirst(rgx.relation)) { + got.relation = m["matched"]; + got.canned_query ~= "&rl=" ~ m["matched"]; + } + if (auto m = got.search_text_area.matchFirst(rgx.coverage)) { + got.coverage = m["matched"]; + got.canned_query ~= "&cv=" ~ m["matched"]; + } + if (auto m = got.search_text_area.matchFirst(rgx.rights)) { + got.rights = m["matched"]; + got.canned_query ~= "&rgt=" ~ m["matched"]; + } + if (auto m = got.search_text_area.matchFirst(rgx.comment)) { + got.comment = m["matched"]; + got.canned_query ~= "&cmt=" ~ m["matched"]; + } + // if (auto m = search_text_area.matchFirst(rgx.abstract)) { + // got.abstract = m["matched"]; + // } + if (auto m = got.search_text_area.matchFirst(rgx.src_filename_base)) { + got.src_filename_base = m["matched"]; + got.canned_query ~= "&bfn=" ~ m["matched"]; + } + } + if ("fn" in cgi.post) { + got.fn = cgi.post["fn"]; + got.canned_query ~= "&fn=" ~ cgi.post["fn"]; + } + if ("rt" in cgi.post) { + got.results_type = cgi.post["rt"]; + got.canned_query ~= "&rt=" ~ cgi.post["rt"]; + } + if ("sts" in cgi.post) { + got.stats = cgi.post["sts"]; + got.canned_query ~= "&sts=" ~ cgi.post["sts"]; + } + if ("ec" in cgi.post) { + got.echo = cgi.post["ec"]; + got.canned_query ~= "&ec=" ~ cgi.post["ec"]; + } + if ("url" in cgi.post) { + got.url = cgi.post["url"]; + got.canned_query ~= "&url=" ~ cgi.post["url"]; + } + if ("se" in cgi.post) { + got.searched = cgi.post["se"]; + got.canned_query ~= "&se=" ~ cgi.post["se"]; + } + if ("sql" in cgi.post) { + got.sql = cgi.post["sql"]; + got.canned_query ~= "&sql=" ~ cgi.post["sql"]; + } + if ("sml" in cgi.post) { + got.sql_match_limit = cgi.post["sml"]; + got.canned_query ~= "&sml=" ~ cgi.post["sml"]; + } + if ("smo" in cgi.post) { + got.sql_match_offset = "0"; // cgi.post["smo"]; + got.canned_query ~= "&smo=0"; // ~ cgi.post["smo"]; + } + got.canned_query = got.canned_query.strip.split(" ").join("%%20"); + conf.query_string = got.canned_query; + // cgi.write("f.canned_query: " ~ got.canned_query ~ "
"); + } else if (environment.get("REQUEST_METHOD", "POST") == "GET") { + got.canned_query = environment.get("QUERY_STRING", ""); + // cgi.write("f.canned_query: " ~ got.canned_query ~ "
"); + got.search_text_area = ""; + if ("sf" in canned_query && !(canned_query["sf"]).empty) { + got.text = canned_query["sf"].split("%%20").join(" "); + got.search_text_area ~= "text: " ~ got.text ~ "\n"; + } + if ("au" in canned_query && !(canned_query["au"]).empty) { + got.author = canned_query["au"].split("%%20").join(" "); + got.search_text_area ~= "author: " ~ got.author ~ "\n"; + } + if ("ti" in canned_query && !(canned_query["ti"]).empty) { + got.title = canned_query["ti"].split("%%20").join(" "); + got.search_text_area ~= "title: " ~ got.title ~ "\n"; + } + if ("uid" in canned_query && !(canned_query["uid"]).empty) { + got.uid = canned_query["uid"].split("%%20").join(" "); + got.search_text_area ~= "uid: " ~ got.uid ~ "\n"; + } + if ("fn" in canned_query && !(canned_query["fn"]).empty) { + got.fn = canned_query["fn"].split("%%20").join(" "); + got.search_text_area ~= "fn: " ~ got.fn ~ "\n"; + } + if ("kw" in canned_query && !(canned_query["kw"]).empty) { + got.keywords = canned_query["kw"].split("%%20").join(" "); + got.search_text_area ~= "keywords: " ~ got.keywords ~ "\n"; + } + if ("tr" in canned_query && !(canned_query["tr"]).empty) { + got.topic_register = canned_query["tr"].split("%%20").join(" "); + got.search_text_area ~= "topic_register: " ~ got.topic_register ~ "\n"; + } + if ("su" in canned_query && !(canned_query["su"]).empty) { + got.subject = canned_query["su"].split("%%20").join(" "); + got.search_text_area ~= "subject: " ~ got.subject ~ "\n"; + } + if ("de" in canned_query && !(canned_query["de"]).empty) { + got.description = canned_query["de"].split("%%20").join(" "); + got.search_text_area ~= "description: " ~ got.description ~ "\n"; + } + if ("pb" in canned_query && !(canned_query["pb"]).empty) { + got.publisher = canned_query["pb"].split("%%20").join(" "); + got.search_text_area ~= "publisher: " ~ got.publisher ~ "\n"; + } + if ("ed" in canned_query && !(canned_query["ed"]).empty) { + got.editor = canned_query["ed"].split("%%20").join(" "); + got.search_text_area ~= "editor: " ~ got.editor ~ "\n"; + } + if ("ct" in canned_query && !(canned_query["ct"]).empty) { + got.contributor = canned_query["ct"].split("%%20").join(" "); + got.search_text_area ~= "contributor: " ~ got.contributor ~ "\n"; + } + if ("dt" in canned_query && !(canned_query["dt"]).empty) { + got.date = canned_query["dt"].split("%%20").join(" "); + got.search_text_area ~= "date: " ~ got.date ~ "\n"; + } + if ("rt" in canned_query && !(canned_query["rt"]).empty) { + got.results_type = canned_query["rt"].split("%%20").join(" "); + // got.search_text_area ~= "results_type: " ~ got.results_type ~ "\n"; + } + if ("fmt" in canned_query && !(canned_query["fmt"]).empty) { + got.format = canned_query["fmt"].split("%%20").join(" "); + got.search_text_area ~= "format: " ~ got.format ~ "\n"; + } + if ("src" in canned_query && !(canned_query["src"]).empty) { + got.source = canned_query["src"].split("%%20").join(" "); + got.search_text_area ~= "source: " ~ got.source ~ "\n"; + } + if ("lng" in canned_query && !(canned_query["lng"]).empty) { + got.language = canned_query["lng"].split("%%20").join(" "); + got.search_text_area ~= "language: " ~ got.language ~ "\n"; + } + if ("rl" in canned_query && !(canned_query["rl"]).empty) { + got.relation = canned_query["rl"].split("%%20").join(" "); + got.search_text_area ~= "relation: " ~ got.relation ~ "\n"; + } + if ("cv" in canned_query && !(canned_query["cv"]).empty) { + got.coverage = canned_query["cv"].split("%%20").join(" "); + got.search_text_area ~= "coverage: " ~ got.coverage ~ "\n"; + } + if ("rgt" in canned_query && !(canned_query["rgt"]).empty) { + got.rights = canned_query["rgt"].split("%%20").join(" "); + got.search_text_area ~= "rights: " ~ got.rights ~ "\n"; + } + if ("cmt" in canned_query && !(canned_query["cmt"]).empty) { + got.comment = canned_query["cmt"].split("%%20").join(" "); + got.search_text_area ~= "comment: " ~ got.comment ~ "\n"; + } + // if ("abstract" in canned_query && !(canned_query["abstract"]).empty) { + // got.abstract = canned_query["abstract"]; + // } + if ("bfn" in canned_query && !(canned_query["bfn"]).empty) { // search_field + got.src_filename_base = canned_query["bfn"].split("%%20").join(" "); + got.search_text_area ~= "src_filename_base: " ~ got.src_filename_base ~ "\n"; + } + if ("sml" in canned_query && !(canned_query["sml"]).empty) { + got.sql_match_limit = canned_query["sml"].split("%%20").join(" "); + // got.search_text_area ~= "sql_match_limit: " ~ got.sql_match_limit ~ "\n"; + } + // cgi.write("f.search_text_area: " ~ got.search_text_area ~ "
"); + } + return got; + } + auto tf = text_fields; // + struct SQL_select { + string the_body = ""; + string the_range = ""; + } + auto sql_select = SQL_select(); + string canned_url () { + string _url = ""; + if (environment.get("REQUEST_METHOD", "POST") == "POST") { + _url = conf.http_request_type ~ "://" ~ conf.http_host ~ conf.cgi_script ~ "?" ~ tf.canned_query; + } else if (environment.get("REQUEST_METHOD", "POST") == "GET") { + _url = conf.http_request_type ~ "://" ~ conf.http_host ~ conf.cgi_script ~ "?" ~ environment.get("QUERY_STRING", ""); + } + return _url; + } + auto regex_canned_search () { + static struct RgxCS { + static track_offset = ctRegex!(`(?P[&]smo=)(?P[0-9]+)`); + static results_type = ctRegex!(`[&]rt=(?Pidx|txt)`); + static results_type_index = ctRegex!(`[&]rt=idx`); + static results_type_text = ctRegex!(`[&]rt=txt`); + static fn = ctRegex!(`[&]fn=(?P[^&]+)`); + } + return RgxCS(); + } + string show_matched_objects (string fn) { + auto rgx = regex_canned_search; + string _matched_objects_text = ""; + string _url = canned_url; + string _url_new = ""; + string _matches_show_text = "&rt=txt"; + string _matches_show_index = "&rt=idx"; + string _fn = "&fn=" ~ fn; + _url_new = _url; + if (_url_new.match(rgx.results_type_index)) { + _url_new = _url_new.replace(rgx.results_type_index, _matches_show_text); + } else if (_url.match(rgx.results_type_text)) { + _url_new = _url_new.replace(rgx.results_type_text, _matches_show_index); + } else { + if (!(_url.match(rgx.results_type))) { + _url_new = _url ~ _matches_show_text; + } + } + if (!(_url_new.match(rgx.fn))) { + _url_new = _url_new ~ _fn; + } + _matched_objects_text = + "" + ~ "" + ~ "※" + ~ ""; + return _matched_objects_text; + } + string base ; // = ""; + string tip ; // = ""; + string search_note ; // = ""; + uint sql_match_offset_count = 0; + string previous_next () { + auto rgx = regex_canned_search; + string _previous_next = ""; + int _current_offset_value = 0; + string _set_offset_next = ""; + string _set_offset_previous = ""; + string _url = canned_url; + string _url_previous = ""; + string _url_next = ""; + string arrow_previous = ""; + string arrow_next = ""; + if (auto m = _url.matchFirst(rgx.track_offset)) { + _current_offset_value = m.captures["offset_val"].to!int; + _set_offset_next = m.captures["offset_key"] ~ ((m.captures["offset_val"]).to!int + cv.sql_match_limit.to!int).to!string; + _url_next = _url.replace(rgx.track_offset, _set_offset_next); + if (_current_offset_value < cv.sql_match_limit.to!int) { + _url_previous = ""; + } else { + _url_previous = ""; + _set_offset_previous = m.captures["offset_key"] ~ ((m.captures["offset_val"]).to!int - cv.sql_match_limit.to!int).to!string; + _url_previous = _url.replace(rgx.track_offset, _set_offset_previous); + } + } else {// _current_offset_value = 0; + _url_next = _url ~= "&smo=" ~ cv.sql_match_limit.to!string; + } + if (_url_previous.empty) { + arrow_previous = ""; + } else { + arrow_previous = + "" + ~ "" + ~ "<< prev" + ~ " || "; + } + arrow_next = + "" + ~ "" + ~ "next >>" + ~ ""; + _previous_next = "
" ~ arrow_previous ~ arrow_next; + return _previous_next; + } + { + header = format(q"┃ + + + + + + %s + + + + + + + +┃", + conf.http_host, + ); + } + { + table = format(q"┃ + + + +
+ + +
+ %s +
+		 +
+┃"); + } + { + string post_value(string field_name, string type="box", string set="on") { + string val = ""; + switch (type) { + case "field": + val = ((field_name in cgi.post && !(cgi.post[field_name]).empty) + ? cgi.post[field_name] + : (field_name in cgi.get) + ? cgi.get[field_name] + : ""); + val = tf.search_text_area; + break; + case "box": // generic for checkbox or radio; checkbox set == "on" radio set == "name set" + val = ((field_name in cgi.post && !(cgi.post[field_name]).empty) + ? (cgi.post[field_name] == set ? "checked" : "off") + : (field_name in cgi.get) + ? (cgi.get[field_name] == set ? "checked" : "off") + : "off"); + break; + case "radio": // used generic bo + val = ((field_name in cgi.post && !(cgi.post[field_name]).empty) + ? (cgi.post[field_name] == set ? "checked" : "off") + : (field_name in cgi.get) + ? (cgi.get[field_name] == set ? "checked" : "off") + : "checked"); + break; + case "checkbox": // used generic bo + val = ((field_name in cgi.post && !(cgi.post[field_name]).empty) + ? (cgi.post[field_name] == set ? "checked" : "off") + : (field_name in cgi.get) + ? (cgi.get[field_name] == set ? "checked" : "off") + : "checked"); + break; + default: + } + return val; + } + string the_can(string fv) { + string show_the_can = post_value("url"); + string _the_can = ""; + if (show_the_can == "checked") { + tf = text_fields; + string method_get_url = conf.http_request_type ~ "://" ~ conf.http_host ~ conf.cgi_script ~ "?" ~ environment.get("QUERY_STRING", ""); + string method_post_url_construct = conf.http_request_type ~ "://" ~ conf.http_host ~ conf.cgi_script ~ "?" ~ tf.canned_query; + // assert(method_get_url == environment.get("HTTP_REFERER", conf.http_request_type ~ "://" ~ conf.http_host ~ conf.cgi_script ~ "?" ~ conf.query_string)); + if (conf.request_method == "POST") { + _the_can = + "" + ~ "POST: " + ~ "" + ~ method_post_url_construct + ~ "" + ~ "
"; + } else if (conf.request_method == "GET") { + _the_can = + "" + ~ "GET:  " + ~ "" + ~ method_get_url + ~ ""; + } + conf.http_url = conf.http_request_type ~ "://" ~ conf.http_host ~ conf.cgi_script ~ tf.canned_query; + } + return _the_can; + } + string provide_tip() { + string searched_tip = post_value("se"); + string tip = ""; + if (searched_tip == "checked") { + string search_field = post_value("sf", "field"); + tf = text_fields; + tip = format(q"┃ + +database: %%s; selected view: index +search string: %%s %%s %%s %%s %%s %%s
+%%s %%s %%s %%s %%s %%s + +┃", + cv.db_selected, + (tf.text.empty ? "" : "\"text: " ~ tf.text ~ "; "), + (tf.title.empty ? "" : "\"title: " ~ tf.title ~ "; "), + (tf.author.empty ? "" : "\"author: " ~ tf.author ~ "; "), + (tf.date.empty ? "" : "\"date " ~ tf.date ~ "; "), + (tf.uid.empty ? "" : "\"uid: " ~ tf.uid ~ "; "), + (tf.fn.empty ? "" : "\"fn: " ~ tf.fn ~ "; "), + (tf.text.empty ? "" : "text: " ~ tf.text ~ "
"), + (tf.title.empty ? "" : "title: " ~ tf.title ~ "
"), + (tf.author.empty ? "" : "author: " ~ tf.author ~ "
"), + (tf.date.empty ? "" : "date: " ~ tf.date ~ "
"), + (tf.uid.empty ? "" : "\"uid: " ~ tf.uid ~ "; "), + (tf.fn.empty ? "" : "\"fn: " ~ tf.fn ~ "; "), + ); + } + return tip; + } + form = format(q"┃ +
+ + +
+ + + %%s + %%s + %%s +
+ + + + + index + text / grep; + match limit: + 1,000 + 2,500 +
+ echo query + search url + searched + sql statement + +
+ + + +
+┃", + "%s", + (post_value("ec") == "checked") ? post_value("sf", "field") : "", + provide_tip, + search_note, + the_can(post_value("sf", "field")), + cv.db_selected, + post_value("rt", "box", "idx"), + post_value("rt", "box", "txt"), + post_value("sml", "box", "1000"), + post_value("sml", "box", "2500"), + post_value("ec"), + post_value("url"), + post_value("se"), + post_value("sql"), + ); + { + string set_value(string field_name, string default_val) { + string val; + if (field_name in cgi.post) { + val = cgi.post[field_name]; + } else if (field_name in cgi.get) { + val = cgi.get[field_name]; + } else { val = default_val; } + return val; + } + bool set_bool(string field_name) { + bool val; + if (field_name in cgi.post + && cgi.post[field_name] == "on") { + val = true; + } else if (field_name in cgi.get + && cgi.get[field_name] == "on") { + val = true; + } else { val = false; } + return val; + } + cv.db_selected = set_value("selected_db", "%s"); // selected_db_name == db (spine.search.db or whatever) + cv.sql_match_limit = set_value("sml", "1000"); + cv.sql_match_offset = set_value("smo", "0"); + cv.search_text = set_value("sf", ""); + cv.results_type = set_value("rt", "idx"); + cv.checked_echo = set_bool("ec"); + cv.checked_stats = set_bool("sts"); + cv.checked_url = set_bool("url"); + cv.checked_searched = set_bool("se"); + cv.checked_tip = set_bool("tip"); + cv.checked_sql = set_bool("sql"); + tf = text_fields; + } + } + { + cgi.write(header); + cgi.write(table); + cgi.write(form); + // cgi.write(previous_next); + { // debug environment + // foreach (k, d; environment.toAA) { + // cgi.write(k ~ ": " ~ d ~ "
"); + // } + } + { // debug cgi info + // cgi.write("db_selected: " ~ cv.db_selected ~ "
\n"); + // cgi.write("search_text: " ~ cv.search_text ~ "
\n"); + // cgi.write("sql_match_limit: " ~ cv.sql_match_limit ~ ";\n"); + // cgi.write("sql_match_offset: " ~ cv.sql_match_offset ~ ";\n"); + // cgi.write("results_type: " ~ cv.results_type ~ "
\n"); + // cgi.write("cv.checked_echo: " ~ (cv.checked_echo ? "checked" : "off") ~ "; \n"); + // cgi.write("cv.checked_stats: " ~ (cv.checked_stats ? "checked" : "off") ~ "; \n"); + // cgi.write("cv.checked_url: " ~ (cv.checked_url ? "checked" : "off") ~ "; \n"); + // cgi.write("cv.checked_searched: " ~ (cv.checked_searched ? "checked" : "off") ~ ";
\n"); + // cgi.write("cv.checked_tip: " ~ (cv.checked_tip ? "checked" : "off") ~ "; \n"); + // cgi.write("cv.checked_sql: " ~ (cv.checked_sql ? "checked" : "off") ~ "
\n"); + } + } + auto db = Database(conf.db_path ~ cv.db_selected); + { + uint sql_match_offset_counter(T)(T cv) { + sql_match_offset_count += cv.sql_match_limit.to!uint; + return sql_match_offset_count; + } + void sql_search_query() { + string highlight_text_matched(string _txt, string search_field) { + string _mark_open = "┤"; + string _mark_close = "├"; + string _span_match = ""; + string _span_close = ""; + string _sf_str = search_field.strip.split("%%20").join(" ").strip; + string[] _sf_arr = _sf_str.split(regex(r"\s+AND\s+|\s+OR\s+")); + auto rgx_url = regex(r"]+?>"); + foreach (_sf; _sf_arr) { + auto rgx_matched_text = regex(_sf, "i"); + auto rgx_marked_pair = regex(r"┤(?P" ~ _sf ~ ")├", "i"); + if (auto m = _txt.matchFirst(rgx_url)) { + _txt = replaceAll!(m => + _mark_open + ~ m.captures[0] + ~ _mark_close + )(_txt, rgx_matched_text); + _txt = replaceAll!(m => + replaceAll!(u => + u["keep"] + )(m.hit, rgx_marked_pair) + )(_txt, rgx_url); + _txt = replaceAll!(m => + _span_match + ~ m["keep"] + ~ _span_close + )(_txt, rgx_marked_pair); + } else { + _txt = replaceAll!(m => + _span_match + ~ m.captures[0] + ~ _span_close + )(_txt, rgx_matched_text); + } + } + return _txt; + } + string select_field_like(string db_field, string search_field) { + string where_ = ""; + if (!(search_field.empty)) { + string _sf = search_field.strip.split("%%20").join(" "); + if (_sf.match(r" OR ")) { + _sf = _sf.split(" OR ").join("%%' OR " ~ db_field ~ " LIKE '%%"); + } + if (_sf.match(r" AND ")) { + _sf = _sf.split(" AND ").join("%%' AND " ~ db_field ~ " LIKE '%%"); + } + _sf = "( " ~ db_field ~ " LIKE\n '%%" ~ _sf ~ "%%' )"; + where_ ~= format(q"┃ + %%s +┃", + _sf + ); + } + return where_; + } + string[] _fields; + _fields ~= select_field_like("doc_objects.clean", tf.text); + _fields ~= select_field_like("metadata_and_text.title", tf.title); + _fields ~= select_field_like("metadata_and_text.creator_author", tf.author); + _fields ~= select_field_like("metadata_and_text.uid", tf.uid); + _fields ~= select_field_like("metadata_and_text.src_filename_base", tf.fn); + _fields ~= select_field_like("metadata_and_text.src_filename_base", tf.src_filename_base); + _fields ~= select_field_like("metadata_and_text.language_document_char", tf.language); + _fields ~= select_field_like("metadata_and_text.date_published", tf.date); + _fields ~= select_field_like("metadata_and_text.classify_keywords", tf.keywords); + _fields ~= select_field_like("metadata_and_text.classify_topic_register", tf.topic_register); + string[] fields; + foreach (f; _fields) { + if (!(f.empty)) { fields ~= f; } + } + string fields_str = ""; + fields_str ~= fields.join(" AND "); + sql_select.the_body ~= format(q"┃ +SELECT + metadata_and_text.uid, + metadata_and_text.title, + metadata_and_text.creator_author_last_first, + metadata_and_text.creator_author, + metadata_and_text.src_filename_base, + metadata_and_text.language_document_char, + metadata_and_text.date_published, + metadata_and_text.classify_keywords, + metadata_and_text.classify_topic_register, + doc_objects.body, + doc_objects.seg_name, + doc_objects.ocn, + metadata_and_text.uid +FROM + doc_objects, + metadata_and_text +WHERE ( + %%s + ) +AND + doc_objects.uid_metadata_and_text = metadata_and_text.uid +ORDER BY + metadata_and_text.creator_author_last_first, + metadata_and_text.date_published DESC, + metadata_and_text.title, + metadata_and_text.language_document_char, + metadata_and_text.src_filename_base, + doc_objects.ocn +LIMIT %%s OFFSET %%s +;┃", + fields_str, + cv.sql_match_limit, + cv.sql_match_offset, + ); + (cv.checked_sql) + ? cgi.write(previous_next + ~ "
" + ~ sql_select.the_body.strip.split("\n ").join(" ").split("\n").join("
") + ~ "\n" + ) + : ""; + cgi.write(previous_next); + auto select_query_results = db.execute(sql_select.the_body).cached; + string _old_uid = ""; + if (!select_query_results.empty) { + string _date_published = "0000"; + string _close_para = ""; + string _matched_ocn_open = ""; + foreach (idx, row; select_query_results) { + if (row["uid"].as!string != _old_uid) { + _close_para = (idx == 1) ? "" : "

"; + _matched_ocn_open = (idx == 1) ? "" : "

"; + _old_uid = row["uid"].as!string; + _date_published = (row["date_published"].as!string.match(regex(r"^([0-9]{4})"))) + ? row["date_published"].as!string : "0000"; // used in regex that breaks if no match + auto m = _date_published.match(regex(r"^([0-9]{4})")); + string _date = (m.hit == "0000") ? "(year?) " : "(" ~ m.hit ~ ") "; + cgi.write( + _close_para + ~ "

" + ~ "

\"" + ~ row["title"].as!string ~ "\"" + ~ " " + ~ _date + ~ "[" ~ row["language_document_char"].as!string ~ "] " + ~ row["creator_author_last_first"].as!string + ~ " " + ~ show_matched_objects(row["src_filename_base"].as!string) + ~ "

" + ~ "
" + ); + } + if (cv.results_type == "txt") { + if (row["ocn"].as!string != "0") { + cgi.write( + "
" + ~ "
" + ~ "

" + ~ row["ocn"].as!string + ~ ":

" + ~ "
" + ~ "
" + ~ highlight_text_matched(row["body"].as!string, tf.text) + ~ "
" + ~ "
" + ); + } else { + cgi.write( + "
" + ~ "
" + ~ "

" + ~ row["ocn"].as!string + ~ ":

" + ~ "
" + ~ "
" + ~ highlight_text_matched(row["body"].as!string, tf.text) + ~ "
" + ~ "
" + ); + } + } else { + if (row["ocn"].as!string != "0") { + cgi.write( + _matched_ocn_open + ~ "" + ~ row["ocn"].as!string + ~ ", " + ); + } else { + cgi.write( + _matched_ocn_open + ~ "" + ~ row["ocn"].as!string + ~ ", " + ); + } + _matched_ocn_open = ""; + } + } + cgi.write( previous_next); + + } else { // offset_not_beyond_limit = false; + cgi.write("select_query_results empty

\n"); + } + cgi.write("

+ + +
+ git +

+"); + } + sql_search_query; + } + { + db.close; + } + { + string tail = format(q"┃ + +┃"); + cgi.write(tail); + } +} +mixin GenericMain!cgi_function_intro; +≓", + get_doc_collection_subroot(make_and_meta_struct.conf.output_path), + make_and_meta_struct.conf.output_path ~ "/sqlite/", + _sqlite_db_fn, + (opt_action.cgi_search_title.empty) + ? make_and_meta_struct.conf.w_srv_cgi_search_form_title + : opt_action.cgi_search_title, + (opt_action.css_theme_default) ? "FFFFFF" : "000000", + (opt_action.css_theme_default) ? "000000" : "CCCCCC", + (opt_action.css_theme_default) ? "FFFFFF" : "000000", + (opt_action.css_theme_default) ? "FFFFFF" : "000000", + (opt_action.css_theme_default) ? "003399" : "FFFFFF", + (opt_action.css_theme_default) ? "003399" : "999999", + "000000", + (opt_action.css_theme_default) ? "F9F9AA" : "555555", + (opt_action.css_theme_default) ? "777777" : "BBBBBB", + (opt_action.css_theme_default) ? "32CD32" : "9ACD32", + (opt_action.css_theme_default) ? "777777" : "BBBBBB", + (opt_action.css_theme_default) ? "FFFFFF" : "000000", + (opt_action.css_theme_default) ? "003399" : "888888", + (opt_action.css_theme_default) ? "000000" : "FFFFFF", + (opt_action.css_theme_default) ? "FFFFFF" : "777777", + (opt_action.css_theme_default) ? "000000" : "FFFF48", + (opt_action.css_theme_default) ? "FFFF48" : "777748", + (opt_action.cgi_search_title.empty) + ? make_and_meta_struct.conf.w_srv_cgi_search_form_title + : opt_action.cgi_search_title, + (opt_action.css_theme_default) ? "222222" : "AAAAAA", + _cgi_search_script, + _sqlite_db_fn, +).strip; + string _cgi_path = (opt_action.output_dir_set.length > 0) + ? opt_action.output_dir_set + : (make_and_meta_struct.conf.w_srv_data_root_path.length > 0) + ? make_and_meta_struct.conf.w_srv_data_root_path + : ""; + auto pth_sqlite_cgi = spinePathsSQLiteCGI!()(_cgi_search_script_raw_fn_d, _cgi_search_script, _cgi_path); + { // cgi-bin search form src d + try { + if (!exists(pth_sqlite_cgi.src)) { + pth_sqlite_cgi.src.mkdirRecurse; + } + if (!exists(pth_sqlite_cgi.cgi_bin)) { + pth_sqlite_cgi.cgi_bin.mkdirRecurse; + } + auto f = File(pth_sqlite_cgi.search_form_path_out, "w"); + f.write(the_cgi_search_form); + // foreach (o; metadata_) { + // f.writeln(o); + // } + } catch (ErrnoException ex) { + // Handle error + } + // if (!(opt_action.quiet)) { + // writeln(" ", pth_sqlite_cgi.search_form); + // } + } + string the_dub_sdl = format(q"≓ +name "spine_cgi_sqlite_search" +description "spine cgi sqlite search" +authors "Ralph Amissah" +copyright "Copyright © 2022, Ralph Amissah" +license "GPL-3.0+" +dependency "d2sqlite3" version="%s" +dependency "arsd-official:cgi" version="%s" + subConfiguration "arsd-official:cgi" "cgi" +targetType "executable" +targetPath "./cgi-bin" +mainSourceFile "%s" +configuration "default" { + targetType "executable" + targetName "%s" + postGenerateCommands "notify-send -t 0 'D executable ready' 'spine cgi sqlite search d'" +} +≓", + "~>0.18.3", // d2sqlite3 dependency version + "~>7.2.0", // arsd-official:cgi dependency version + "src/" ~ _cgi_search_script_raw_fn_d, + _cgi_search_script +).strip; + { // dub.sdl + try { + auto f = File(pth_sqlite_cgi.dub_sdl_path_out, "w"); + f.write(the_dub_sdl); + // foreach (o; metadata_) { + // f.writeln(o); + // } + } catch (ErrnoException ex) { + // Handle error + } + } + // { // get cgi.d + // // import std.net.curl, std.stdio; + // // char[] cgi_d; + // // if (opt_action.allow_downloads) { + // // try { + // // cgi_d = get!HTTP("https://raw.githubusercontent.com/adamdruppe/arsd/master/cgi.d"); + // // } catch (ErrnoException ex) { + // // // Handle error + // // // CurlCode perform(ThrowOnError throwOnError = Yes.throwOnError); + // // CurlCode perform(ThrowOnError throwOnError = No.throwOnError); + // // } + // // if (cgi_d && cgi_d.length > 0) { + // // try { + // // auto f = File(pth_sqlite_cgi.cgi_d_path_out, "w"); + // // f.write(cgi_d); + // // } catch (ErrnoException ex) { + // // // Handle error + // // } + // // } + // // } + // } + } +} diff --git a/src/sisudoc/io_out/create_zip_file.d b/src/sisudoc/io_out/create_zip_file.d new file mode 100644 index 0000000..36863eb --- /dev/null +++ b/src/sisudoc/io_out/create_zip_file.d @@ -0,0 +1,68 @@ +/+ +- Name: SisuDoc Spine, Doc Reform [a part of] + - Description: documents, structuring, processing, publishing, search + - static content generator + + - Author: Ralph Amissah + [ralph.amissah@gmail.com] + + - Copyright: (C) 2015 - 2024 Ralph Amissah, All Rights Reserved. + + - License: AGPL 3 or later: + + Spine (SiSU), a framework for document structuring, publishing and + search + + Copyright (C) Ralph Amissah + + This program is free software: you can redistribute it and/or modify it + under the terms of the GNU AFERO General Public License as published by the + Free Software Foundation, either version 3 of the License, or (at your + option) any later version. + + This program is distributed in the hope that it will be useful, but WITHOUT + ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + more details. + + You should have received a copy of the GNU General Public License along with + this program. If not, see [https://www.gnu.org/licenses/]. + + If you have Internet connection, the latest version of the AGPL should be + available at these locations: + [https://www.fsf.org/licensing/licenses/agpl.html] + [https://www.gnu.org/licenses/agpl.html] + + - Spine (by Doc Reform, related to SiSU) uses standard: + - docReform markup syntax + - standard SiSU markup syntax with modified headers and minor modifications + - docReform object numbering + - standard SiSU object citation numbering & system + + - Homepages: + [https://www.sisudoc.org] + [https://www.doc-reform.org] + + - Git + [https://git.sisudoc.org/] + ++/ +module sisudoc.io_out.create_zip_file; +@safe: +template createZipFile() { + import + std.file, + std.outbuffer, + std.string, + 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 + } + } +} diff --git a/src/sisudoc/io_out/defaults.d b/src/sisudoc/io_out/defaults.d new file mode 100644 index 0000000..be7c122 --- /dev/null +++ b/src/sisudoc/io_out/defaults.d @@ -0,0 +1,186 @@ +/+ +- Name: SisuDoc Spine, Doc Reform [a part of] + - Description: documents, structuring, processing, publishing, search + - static content generator + + - Author: Ralph Amissah + [ralph.amissah@gmail.com] + + - Copyright: (C) 2015 - 2024 Ralph Amissah, All Rights Reserved. + + - License: AGPL 3 or later: + + Spine (SiSU), a framework for document structuring, publishing and + search + + Copyright (C) Ralph Amissah + + This program is free software: you can redistribute it and/or modify it + under the terms of the GNU AFERO General Public License as published by the + Free Software Foundation, either version 3 of the License, or (at your + option) any later version. + + This program is distributed in the hope that it will be useful, but WITHOUT + ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + more details. + + You should have received a copy of the GNU General Public License along with + this program. If not, see [https://www.gnu.org/licenses/]. + + If you have Internet connection, the latest version of the AGPL should be + available at these locations: + [https://www.fsf.org/licensing/licenses/agpl.html] + [https://www.gnu.org/licenses/agpl.html] + + - Spine (by Doc Reform, related to SiSU) uses standard: + - docReform markup syntax + - standard SiSU markup syntax with modified headers and minor modifications + - docReform object numbering + - standard SiSU object citation numbering & system + + - Homepages: + [https://www.sisudoc.org] + [https://www.doc-reform.org] + + - Git + [https://git.sisudoc.org/] + ++/ +/++ + default settings ++/ +module sisudoc.io_out.defaults; +@safe: + +template InternalMarkup() { + import std.array; + static struct InlineMarkup { + string en_a_o = "【"; string en_a_c = "】"; + string en_b_o = "〖"; string en_b_c = "〗"; + string quote_o = "“"; string quote_c = "”"; + string ff_i = "⑆"; string ff_o = "┨"; string ff_c = "┣"; // fontface + string lnk_o = "┥"; string lnk_c = "┝"; + string url_o = "┤"; string url_c = "├"; + string emph = "*"; + string bold = "!"; + string italic = "/"; + string underscore = "_"; + string superscript = "^"; + string subscript = ","; + string mono = "■"; + string cite = "‖"; + string mark_internal_site_lnk = "¤"; + string nbsp = "░"; + string br_line = "┘"; + string br_line_inline = "┙"; + string br_line_spaced = "┚"; + string br_obj = "break_obj"; + string br_page_line = "┼"; + string br_page = "┿"; + string br_page_new = "╂"; + string tc_s = "┊"; + string tc_o = "┏"; + string tc_c = "┚"; + string tc_p = "┆"; + string img = "☼"; + string sep = "␣"; // "~";"␣"; // "~"; + string uid_sep = ":"; + 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); + return _indent_spaces; + } + static string repeat_character_by_number_provided(C,N)(C _character ="-", N number=10) { + _character = replicate(_character, number); + return _character; + } + } +} +template spineLanguageCodes() { + /+ language codes +/ + struct Lang { + static string[string][string] codes() { + auto _lang_codes = [ + "am": [ "c": "am", "n": "Amharic", "t": "Amharic", "xlp": "amharic" ], + "bg": [ "c": "bg", "n": "Bulgarian", "t": "Български (Bəlgarski)", "xlp": "bulgarian" ], + "bn": [ "c": "bn", "n": "Bengali", "t": "Bengali", "xlp": "bengali" ], + "br": [ "c": "br", "n": "Breton", "t": "Breton", "xlp": "breton" ], + "ca": [ "c": "ca", "n": "Catalan", "t": "catalan", "xlp": "catalan" ], + "cs": [ "c": "cs", "n": "Czech", "t": "česky", "xlp": "czech" ], + "cy": [ "c": "cy", "n": "Welsh", "t": "Welsh", "xlp": "welsh" ], + "da": [ "c": "da", "n": "Danish", "t": "dansk", "xlp": "danish" ], + "de": [ "c": "de", "n": "German", "t": "Deutsch", "xlp": "german" ], + "el": [ "c": "el", "n": "Greek", "t": "Ελληνικά (Ellinika)", "xlp": "greek" ], + "en": [ "c": "en", "n": "English", "t": "English", "xlp": "english" ], + "eo": [ "c": "eo", "n": "Esperanto", "t": "Esperanto", "xlp": "esperanto" ], + "es": [ "c": "es", "n": "Spanish", "t": "español", "xlp": "spanish" ], + "et": [ "c": "et", "n": "Estonian", "t": "Estonian", "xlp": "estonian" ], + "eu": [ "c": "eu", "n": "Basque", "t": "basque", "xlp": "basque" ], + "fi": [ "c": "fi", "n": "Finnish", "t": "suomi", "xlp": "finnish" ], + "fr": [ "c": "fr", "n": "French", "t": "français", "xlp": "french" ], + "ga": [ "c": "ga", "n": "Irish", "t": "Irish", "xlp": "irish" ], + "gl": [ "c": "gl", "n": "Galician", "t": "Galician", "xlp": "galician" ], + "he": [ "c": "he", "n": "Hebrew", "t": "Hebrew", "xlp": "hebrew" ], + "hi": [ "c": "hi", "n": "Hindi", "t": "Hindi", "xlp": "hindi" ], + "hr": [ "c": "hr", "n": "Croatian", "t": "Croatian", "xlp": "croatian" ], + "hy": [ "c": "hy", "n": "Armenian", "t": "Armenian", "xlp": "armenian" ], + "ia": [ "c": "ia", "n": "Interlingua", "t": "Interlingua", "xlp": "interlingua" ], + "is": [ "c": "is", "n": "Icelandic", "t": "Icelandic", "xlp": "icelandic" ], + "it": [ "c": "it", "n": "Italian", "t": "Italiano", "xlp": "italian" ], + "ja": [ "c": "ja", "n": "Japanese", "t": "日本語 (Nihongo)", "xlp": "japanese" ], + "ko": [ "c": "ko", "n": "Korean", "t": "Korean", "xlp": "korean" ], + "la": [ "c": "la", "n": "Latin", "t": "Latin", "xlp": "latin" ], + "lo": [ "c": "lo", "n": "Lao", "t": "Lao", "xlp": "lao" ], + "lt": [ "c": "lt", "n": "Lithuanian", "t": "Lithuanian", "xlp": "lithuanian" ], + "lv": [ "c": "lv", "n": "Latvian", "t": "Latvian", "xlp": "latvian" ], + "ml": [ "c": "ml", "n": "Malayalam", "t": "Malayalam", "xlp": "malayalam" ], + "mr": [ "c": "mr", "n": "Marathi", "t": "Marathi", "xlp": "marathi" ], + "nl": [ "c": "nl", "n": "Dutch", "t": "Nederlands", "xlp": "dutch" ], + "no": [ "c": "no", "n": "Norwegian", "t": "norsk", "xlp": "norsk" ], + "nn": [ "c": "nn", "n": "Norwegian Nynorsk", "t": "nynorsk", "xlp": "nynorsk" ], + "oc": [ "c": "oc", "n": "Occitan", "t": "Occitan", "xlp": "occitan" ], + "pl": [ "c": "pl", "n": "Polish", "t": "polski", "xlp": "polish" ], + "pt": [ "c": "pt", "n": "Portuguese", "t": "Português", "xlp": "portuges" ], + "pt_BR": [ "c": "pt_BR", "n": "Portuguese Brazil", "t": "Brazilian Português", "xlp": "brazilian" ], + "ro": [ "c": "ro", "n": "Romanian", "t": "română", "xlp": "romanian" ], + "ru": [ "c": "ru", "n": "Russian", "t": "Русский (Russkij)", "xlp": "russian" ], + "sa": [ "c": "sa", "n": "Sanskrit", "t": "Sanskrit", "xlp": "sanskrit" ], + "se": [ "c": "se", "n": "Sami", "t": "Samin", "xlp": "samin" ], + "sk": [ "c": "sk", "n": "Slovak", "t": "slovensky", "xlp": "slovak" ], + "sl": [ "c": "sl", "n": "Slovenian", "t": "Slovenian", "xlp": "slovenian" ], + "sq": [ "c": "sq", "n": "Albanian", "t": "Albanian", "xlp": "albanian" ], + "sr": [ "c": "sr", "n": "Serbian", "t": "Serbian", "xlp": "serbian" ], + "sv": [ "c": "sv", "n": "Swedish", "t": "svenska", "xlp": "swedish" ], + "ta": [ "c": "ta", "n": "Tamil", "t": "Tamil", "xlp": "tamil" ], + "te": [ "c": "te", "n": "Telugu", "t": "Telugu", "xlp": "telugu" ], + "th": [ "c": "th", "n": "Thai", "t": "Thai", "xlp": "thai" ], + "tk": [ "c": "tk", "n": "Turkmen", "t": "Turkmen", "xlp": "turkmen" ], + "tr": [ "c": "tr", "n": "Turkish", "t": "Türkçe", "xlp": "turkish" ], + "uk": [ "c": "uk", "n": "Ukranian", "t": "українська (ukrajins\"ka)", "xlp": "ukrainian" ], + "ur": [ "c": "ur", "n": "Urdu", "t": "Urdu", "xlp": "urdu" ], + "us": [ "c": "en", "n": "English (American)","t": "English", "xlp": "english" ], + "vi": [ "c": "vi", "n": "Vietnamese", "t": "Vietnamese", "xlp": "vietnamese" ], + "zh": [ "c": "zh", "n": "Chinese", "t": "中文", "xlp": "chinese" ], + "en": [ "c": "en", "n": "English", "t": "English", "xlp": "english" ], + "xx": [ "c": "xx", "n": "Default", "t": "English", "xlp": "english" ], + ]; + return _lang_codes; + } + static string[] code_arr_ptr() { + string[] _lang_codes = ["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", "us", "vi", "zh", "en", "xx",]; + return _lang_codes; + } + static string[] code_arr() { + string[] _lang_codes = ["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"]; + return _lang_codes; + } + static auto codes_() { + return "(" ~ join(code_arr,"|") ~ ")"; + } + static auto codes_regex() { + return regex(codes_); + } + } +} diff --git a/src/sisudoc/io_out/epub3.d b/src/sisudoc/io_out/epub3.d new file mode 100644 index 0000000..b4ff21b --- /dev/null +++ b/src/sisudoc/io_out/epub3.d @@ -0,0 +1,810 @@ +/+ +- Name: SisuDoc Spine, Doc Reform [a part of] + - Description: documents, structuring, processing, publishing, search + - static content generator + + - Author: Ralph Amissah + [ralph.amissah@gmail.com] + + - Copyright: (C) 2015 - 2024 Ralph Amissah, All Rights Reserved. + + - License: AGPL 3 or later: + + Spine (SiSU), a framework for document structuring, publishing and + search + + Copyright (C) Ralph Amissah + + This program is free software: you can redistribute it and/or modify it + under the terms of the GNU AFERO General Public License as published by the + Free Software Foundation, either version 3 of the License, or (at your + option) any later version. + + This program is distributed in the hope that it will be useful, but WITHOUT + ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + more details. + + You should have received a copy of the GNU General Public License along with + this program. If not, see [https://www.gnu.org/licenses/]. + + If you have Internet connection, the latest version of the AGPL should be + available at these locations: + [https://www.fsf.org/licensing/licenses/agpl.html] + [https://www.gnu.org/licenses/agpl.html] + + - Spine (by Doc Reform, related to SiSU) uses standard: + - docReform markup syntax + - standard SiSU markup syntax with modified headers and minor modifications + - docReform object numbering + - standard SiSU object citation numbering & system + + - Homepages: + [https://www.sisudoc.org] + [https://www.doc-reform.org] + + - Git + [https://git.sisudoc.org/] + ++/ +module sisudoc.io_out.epub3; +@safe: +template outputEPub3() { + import + std.file, + std.outbuffer, + std.uri, + std.zip, + std.conv : to; + import + sisudoc.io_out, + sisudoc.io_out.rgx, + sisudoc.io_out.rgx_xhtml, + sisudoc.io_out.create_zip_file, + sisudoc.io_out.xmls, + sisudoc.io_out.xmls_css; + mixin InternalMarkup; + mixin outputXHTMLs; + static auto rgx = RgxO(); + static auto rgx_xhtml = RgxXHTML(); + string special_characters_text(string _txt) { + _txt = _txt + .replaceAll(rgx_xhtml.ampersand, "&") // "&" + .replaceAll(rgx_xhtml.quotation, """) // """ + .replaceAll(rgx_xhtml.less_than, "<") // "<" + .replaceAll(rgx_xhtml.greater_than, ">") // ">" + .replaceAll(rgx.br_line, "
") + .replaceAll(rgx.br_line_inline, "
") + .replaceAll(rgx.br_line_spaced, "
\n
") + .replaceAll(rgx.nbsp_char, " "); + return _txt; + } + string epub3_mimetypes() { + string o; + o = format(q"┃application/epub+zip┃") ~ "\n"; + return o; + } + string epub3_container_xml() { + string o; + o = format(q"┃┃") ~ "\n"; + o ~= format(q"┃ + + + ┃") ~ "\n\n"; + return o; + } + string epub3_oebps_content(D,M,P)(D doc_abstraction, M doc_matters, P parts) { + auto xhtml_format = outputXHTMLs(); + auto pth_epub3 = spinePathsEPUB!()(doc_matters.output_path, doc_matters.src.language); + string _uuid = "18275d951861c77f78acd05672c9906924c59f18a2e0ba06dad95959693e9bd8"; // TODO sort uuid in doc_matters! + string content = format(q"┃ + + + %s + main + %s + subtitle + %s + %s + %s + Copyright: %s + %s + urn:uuid:%s + + + + + ┃", + _uuid, + 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_date(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, + (pth_epub3.fn_oebps_css).chompPrefix("OEBPS/"), + ); + content ~= parts["manifest_documents"]; + // TODO sort jpg & png + foreach (image; doc_matters.srcs.image_list) { + content ~= format(q"┃ + ┃", + image.baseName.stripExtension, + (pth_epub3.doc_oebps_image).chompPrefix("OEBPS/"), + image, + image.extension.chompPrefix("."), + ); + } + content ~= " " ~ "" ~ "\n "; + content ~= " " ~ "" ~ "\n "; + content ~= parts["spine"]; + content ~= " " ~ "" ~ "\n "; + content ~= " " ~ "" ~ "\n "; + content ~= parts["guide"]; + content ~= " " ~ "" ~ "\n "; + content ~= "" ~ ""; + debug(epubmanifest) { + foreach (section; doc_matters.has.keys_seq.seg) { // TODO + foreach (obj; doc_abstraction[section]) { + 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; + } + 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(); + static auto rgx = RgxO(); + static auto rgx_xhtml = RgxXHTML(); + string toc; + bool _new_title_set = false; + string toc_head = format(q"┃ + + %s + + +
+
+

Contents

+
+ +
+ + \n"; + } + } + } + } + } + } + toc ~= _toc_nav_tail; + return toc; + } + @system void outputEPub3(D,I)( + const D doc_abstraction, + I doc_matters, + ) { + mixin spineRgxOut; + mixin spineRgxXHTML; + auto xhtml_format = outputXHTMLs(); + static auto rgx = RgxO(); + static auto rgx_xhtml = RgxXHTML(); + 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_nav_xhtml; + /+ variable output +/ + string oebps_content_opf; + string[][string] doc_epub3; + string[][string] doc_epub3_endnotes; + string[] doc_parts; + } + auto epubWrite = writeOut(); + foreach (section; doc_matters.has.keys_seq.seg) { + foreach (obj; doc_abstraction[section]) { + string _txt = xhtml_format.special_characters_breaks_indents_bullets(obj); + if (obj.metainfo.is_a == "heading") { + assert(section == "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); + Tuple!(string, string[]) 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); + Tuple!(string, string[]) 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: + Tuple!(string, string[]) 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_epub) { + 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_epub) { + writeln(__FILE__, ":", __LINE__, ": ", obj.metainfo.is_a, ": ", obj.metainfo.heading_lev_markup); + } + } + break; + } + } else { + assert(section == "head" || "toc" || "body" || "endnotes" || "glossary" || "bibliography" || "bookindex" || "blurb" || "tail"); + Tuple!(string, string[]) t; + switch (obj.metainfo.is_of_part) { + case "frontmatter": assert(section == "head" || "toc"); + switch (obj.metainfo.is_of_type) { + case "para": + switch (obj.metainfo.is_a) { + case "toc": + 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_epub) { + writeln(__FILE__, ":", __LINE__, ": ", obj.metainfo.is_a); + } + } + break; + } + break; + default: + { /+ debug +/ + if (doc_matters.opt.action.debug_do_epub) { + writeln(__FILE__, ":", __LINE__, ": ", obj.metainfo.is_of_type); + } + } + break; + } + break; + case "body": assert(section == "body"); + switch (obj.metainfo.is_of_type) { + case "para": + switch (obj.metainfo.is_a) { + case "para": + 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_epub) { + writeln(__FILE__, ":", __LINE__, ": ", obj.metainfo.is_a); + } + } + break; + } + break; + case "block": + switch (obj.metainfo.is_a) { + case "quote": + 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": + 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": + 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": + 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_epub) { + writeln(__FILE__, ":", __LINE__, ": ", obj.metainfo.is_a); + } + } + break; + } + break; + default: + { /+ debug +/ + if (doc_matters.opt.action.debug_do_epub) { + writeln(__FILE__, ":", __LINE__, ": ", obj.metainfo.is_of_type); + } + } + break; + } + break; + case "backmatter": + assert(section == "endnotes" || "glossary" || "bibliography" || "bookindex" || "blurb" || "tail"); + switch (obj.metainfo.is_of_type) { + case "para": + switch (obj.metainfo.is_a) { + case "endnote": assert(section == "endnotes"); + t = xhtml_format.para_seg(_txt, obj, doc_matters, suffix, "epub"); + epubWrite.doc_epub3[segment_filename] ~= t[0]; + break; + case "glossary": assert(section == "glossary"); + 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(section == "bibliography"); + 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(section == "bookindex"); + 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(section == "blurb"); + 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 "tail": assert(section == "tail"); + 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_epub) { + writeln(__FILE__, ":", __LINE__, ": ", obj.metainfo.is_a); + } + } + break; + } + break; + default: + { /+ debug +/ + if (doc_matters.opt.action.debug_do_epub) { + writeln(__FILE__, ":", __LINE__, ": ", obj.metainfo.is_of_type); + } + } + break; + } + break; + case "comment": + break; + default: + { /+ debug +/ + if (doc_matters.opt.action.debug_do_epub) { + writeln(__FILE__, ":", __LINE__, ": ", obj.metainfo.is_of_part); + } + } + break; + } + } + if (obj.metainfo.is_a == "heading") { + // assert(obj.text.length > 0); // check assertion + if (obj.metainfo.heading_lev_markup <= 4) { + oepbs_content_parts["manifest_documents"] ~= + format(q"┃ + ┃", + obj.tags.segment_anchor_tag_epub, + obj.tags.segment_anchor_tag_epub, + ); + oepbs_content_parts["spine"] ~= + format(q"┃ + ┃", + obj.tags.segment_anchor_tag_epub, + ); + oepbs_content_parts["guide"] ~= + format(q"┃ + ┃", + 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"┃ + ┃", + 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"┃ + ┃", + obj.tags.segment_anchor_tag_epub, + obj.metainfo.object_number, + ); + oepbs_content_parts["guide"] ~= + format(q"┃ + ┃", + obj.tags.segment_anchor_tag_epub, + obj.metainfo.object_number, + obj.tags.segment_anchor_tag_epub, + obj.metainfo.object_number, + ); + } + } + } + } + /+ epub specific documents +/ + epubWrite.mimetypes = epub3_mimetypes; + epubWrite.meta_inf_container_xml = epub3_container_xml; + 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); + } + @system 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_content_opf) == string)); + } + static auto rgx = RgxO(); + static auto rgx_xhtml = RgxXHTML(); + auto pth_epub3 = spinePathsEPUB!()(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_epub) + ? 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; + } + if (!exists(pth_epub3.base ~ "/index.html")) { + import sisudoc.io_out.html_snippet; + mixin htmlSnippet; + auto f = File(pth_epub3.base ~"/index.html", "w"); + f.writeln(format_html_blank_page_guide_home( + "../../css/html_scroll.css", + (doc_matters.opt.action.webserver_url_doc_root.length > 0) + ? doc_matters.opt.action.webserver_url_doc_root + : doc_matters.conf_make_meta.conf.w_srv_data_root_url, + "../../index.html", + )); + } + { /+ debug +/ + if (doc_matters.opt.action.debug_do_epub) { + 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_epub) { + 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(doc_matters)); + } + } + 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(doc_matters).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_epub) { + 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_epub) { + 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_epub) { + 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/content.opf (doc manifest) +/ + { /+ debug +/ + if (doc_matters.opt.action.debug_do_epub) { + 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_epub) { + if (doc_matters.opt.action.vox_gt2) { + 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 = spineCss(doc_matters); + { /+ debug +/ + if (doc_matters.opt.action.debug_do_epub) { + 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.vox_gt0) { + writeln(" ", fn_epub); + } + 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 + } + } + } + } +} diff --git a/src/sisudoc/io_out/html.d b/src/sisudoc/io_out/html.d new file mode 100644 index 0000000..d9aaa58 --- /dev/null +++ b/src/sisudoc/io_out/html.d @@ -0,0 +1,626 @@ +/+ +- Name: SisuDoc Spine, Doc Reform [a part of] + - Description: documents, structuring, processing, publishing, search + - static content generator + + - Author: Ralph Amissah + [ralph.amissah@gmail.com] + + - Copyright: (C) 2015 - 2024 Ralph Amissah, All Rights Reserved. + + - License: AGPL 3 or later: + + Spine (SiSU), a framework for document structuring, publishing and + search + + Copyright (C) Ralph Amissah + + This program is free software: you can redistribute it and/or modify it + under the terms of the GNU AFERO General Public License as published by the + Free Software Foundation, either version 3 of the License, or (at your + option) any later version. + + This program is distributed in the hope that it will be useful, but WITHOUT + ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + more details. + + You should have received a copy of the GNU General Public License along with + this program. If not, see [https://www.gnu.org/licenses/]. + + If you have Internet connection, the latest version of the AGPL should be + available at these locations: + [https://www.fsf.org/licensing/licenses/agpl.html] + [https://www.gnu.org/licenses/agpl.html] + + - Spine (by Doc Reform, related to SiSU) uses standard: + - docReform markup syntax + - standard SiSU markup syntax with modified headers and minor modifications + - docReform object numbering + - standard SiSU object citation numbering & system + + - Homepages: + [https://www.sisudoc.org] + [https://www.doc-reform.org] + + - Git + [https://git.sisudoc.org/] + ++/ +module sisudoc.io_out.html; +@safe: +template outputHTML() { + import + std.file, + std.outbuffer, + std.uri, + std.conv : to; + import + sisudoc.io_out, + sisudoc.io_out.rgx, + sisudoc.meta.rgx_files, + sisudoc.io_out.rgx_xhtml, + sisudoc.io_out.create_zip_file, + sisudoc.io_out.xmls, + sisudoc.io_out.xmls_css; + mixin outputXHTMLs; + void scroll(D,M)( + const D doc_abstraction, + M doc_matters, + ) { + mixin spineRgxOut; + mixin spineRgxXHTML; + auto xhtml_format = outputXHTMLs(); + static auto rgx = RgxO(); + static auto rgx_xhtml = RgxXHTML(); + string[] doc_html; + string[] doc; + string suffix = ".html"; + string previous_section = ""; + string delimit = ""; + foreach (section; doc_matters.has.keys_seq.scroll) { + foreach (obj; doc_abstraction[section]) { + delimit = xhtml_format.div_delimit(section, previous_section); + string _txt = xhtml_format.special_characters_breaks_indents_bullets(obj); + switch (obj.metainfo.is_of_part) { + case "frontmatter": assert(section == "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_html) { + writeln(__FILE__, ":", __LINE__, ": ", obj.metainfo.is_a); + } + } + break; + } + break; + default: + { /+ debug +/ + if (doc_matters.opt.action.debug_do_html) { + writeln(__FILE__, ":", __LINE__, ": ", obj.metainfo.is_of_type); + } + } + break; + } + break; + case "body": assert(section == "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_html) { + 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_html) { + writeln(__FILE__, ":", __LINE__, ": ", obj.metainfo.is_a); + } + } + break; + } + break; + default: + { /+ debug +/ + if (doc_matters.opt.action.debug_do_html) { + writeln(__FILE__, ":", __LINE__, ": ", obj.metainfo.is_of_type); + } + } + break; + } + break; + case "backmatter": + assert(section == "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(section == "endnotes"); + doc_html ~= xhtml_format.para_scroll(_txt, obj, doc_matters, suffix); + break; + case "glossary": assert(section == "glossary"); + doc_html ~= xhtml_format.para_scroll(_txt, obj, doc_matters, suffix); + break; + case "bibliography": assert(section == "bibliography"); + doc_html ~= xhtml_format.para_scroll(_txt, obj, doc_matters, suffix); + break; + case "bookindex": assert(section == "bookindex"); + doc_html ~= xhtml_format.para_scroll(_txt, obj, doc_matters, suffix); + break; + case "blurb": assert(section == "blurb"); + doc_html ~= xhtml_format.para_scroll(_txt, obj, doc_matters, suffix); + break; + case "tail": assert(section == "tail"); + doc_html ~= xhtml_format.para_scroll(_txt, obj, doc_matters, suffix); + break; + default: + { /+ debug +/ + if (doc_matters.opt.action.debug_do_html) { + writeln(__FILE__, ":", __LINE__, ": ", obj.metainfo.is_a); + } + } + break; + } + break; + default: + { /+ debug +/ + if (doc_matters.opt.action.debug_do_html) { + writeln(__FILE__, ":", __LINE__, ": ", obj.metainfo.is_of_type); + } + } + break; + } + break; + case "comment": + break; + default: + { /+ debug +/ + if (doc_matters.opt.action.debug_do_html) { + writeln(__FILE__, ":", __LINE__, ": ", obj.metainfo.is_of_part); + writeln(__FILE__, ":", __LINE__, ": ", obj.metainfo.is_a); + writeln(__FILE__, ":", __LINE__, ": ", obj.text); + } + } + break; + } + } + } + doc = xhtml_format.html_head(doc_matters, "scroll") + ~ doc_html + ~ xhtml_format.dom_close + ~ xhtml_format.tail(doc_matters); + scroll_write_output(doc, doc_matters); + } + @trusted void scroll_write_output(D,M)( + D doc, + M doc_matters, + ) { + debug(asserts) { + static assert(is(typeof(doc) == string[])); + } + auto pth_html = spinePathsHTML!()(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); + } + } + if (!exists(pth_html.base ~ "/index.html")) { + import sisudoc.io_out.html_snippet; + mixin htmlSnippet; + auto f = File(pth_html.base ~"/index.html", "w"); + f.writeln(format_html_blank_page_guide_home( + "../../css/html_scroll.css", + (doc_matters.opt.action.webserver_url_doc_root.length > 0) + ? doc_matters.opt.action.webserver_url_doc_root + : doc_matters.conf_make_meta.conf.w_srv_data_root_url, + "../../index.html", + )); + } + } catch (ErrnoException ex) { + // Handle error + } + if (doc_matters.opt.action.vox_gt0) { + writeln(" ", pth_html.fn_scroll(doc_matters.src.filename)); + } + } + void seg(D,M)( + const D doc_abstraction, + M doc_matters, + ) { + mixin spineRgxOut; + mixin spineRgxXHTML; + static auto rgx = RgxO(); + static auto rgx_xhtml = RgxXHTML(); + 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_section = ""; + string delimit = ""; + foreach (section; doc_matters.has.keys_seq.seg) { + foreach (obj; doc_abstraction[section]) { + delimit = xhtml_format.div_delimit(section, previous_section); + string _txt = xhtml_format.special_characters_breaks_indents_bullets(obj); + if (obj.metainfo.is_a == "heading") { + assert(section == "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: + Tuple!(string, string[]) 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; + } + Tuple!(string, string[]) 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: + Tuple!(string, string[]) 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_html) { + 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_html) { + writeln(__FILE__, ":", __LINE__, ": ", obj.metainfo.is_a, ": ", obj.metainfo.heading_lev_markup); + } + } + break; + } + } else { + assert(section == "head" || "toc" || "body" || "endnotes" || "glossary" || "bibliography" || "bookindex" || "blurb" || "tail"); + Tuple!(string, string[]) t; + switch (obj.metainfo.is_of_part) { + case "frontmatter": assert(section == "head" || "toc"); + switch (obj.metainfo.is_of_type) { + case "para": + switch (obj.metainfo.is_a) { + case "toc": + 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_html) { + writeln(__FILE__, ":", __LINE__, ": ", obj.metainfo.is_a); + } + } + break; + } + break; + default: + { /+ debug +/ + if (doc_matters.opt.action.debug_do_html) { + writeln(__FILE__, ":", __LINE__, ": ", obj.metainfo.is_a); + } + } + break; + } + break; + case "body": assert(section == "body"); + switch (obj.metainfo.is_of_type) { + case "para": + switch (obj.metainfo.is_a) { + case "para": + 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_html) { + writeln(__FILE__, ":", __LINE__, ": ", obj.metainfo.is_a); + } + } + break; + } + break; + case "block": + switch (obj.metainfo.is_a) { + case "quote": + t = xhtml_format.quote_seg(_txt, obj, doc_matters, suffix, "seg"); + goto default; + case "group": + t = xhtml_format.group_seg(_txt, obj, doc_matters, suffix, "seg"); + goto default; + case "block": + t = xhtml_format.block_seg(_txt, obj, doc_matters, suffix, "seg"); + goto default; + case "poem": + break; + case "verse": + t = xhtml_format.verse_seg(_txt, obj, doc_matters, suffix, "seg"); + goto default; + 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: + if ((obj.metainfo.is_a == "quote" + || obj.metainfo.is_a == "group" + || obj.metainfo.is_a == "block" + || obj.metainfo.is_a == "verse" + )) { + doc_html[segment_filename] ~= t[0].to!string; + doc_html_endnotes[segment_filename] ~= t[1]; + } else { /+ debug +/ + if (doc_matters.opt.action.debug_do_html) { + writeln(__FILE__, ":", __LINE__, ": ", obj.metainfo.is_a); + } + } + break; + } + break; + default: + { /+ debug +/ + if (doc_matters.opt.action.debug_do_html) { + writeln(__FILE__, ":", __LINE__, ": ", obj.metainfo.is_of_type); + } + } + break; + } + break; + case "backmatter": + assert(section == "endnotes" || "glossary" || "bibliography" || "bookindex" || "blurb" || "tail"); + switch (obj.metainfo.is_of_type) { + case "para": + switch (obj.metainfo.is_a) { + case "endnote": assert(section == "endnotes"); + t = xhtml_format.para_seg(_txt, obj, doc_matters, suffix, "seg"); + doc_html[segment_filename] ~= t[0]; + break; + case "glossary": assert(section == "glossary"); + 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(section == "bibliography"); + 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(section == "bookindex"); + 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(section == "blurb"); + 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 "tail": assert(section == "tail"); + 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_html) { + writeln(__FILE__, ":", __LINE__, ": ", obj.metainfo.is_a); + } + } + break; + } + break; + default: + { /+ debug +/ + if (doc_matters.opt.action.debug_do_html) { + writeln(__FILE__, ":", __LINE__, ": ", obj.metainfo.is_of_type); + } + } + break; + } + break; + case "comment": + break; + default: + { /+ debug +/ + if (doc_matters.opt.action.debug_do_html) { + writeln(__FILE__, ":", __LINE__, ": ", obj.metainfo.is_of_part); + } + } + break; + } + } + } + } + seg_write_output(doc_html, doc_html_endnotes, doc_matters); + } + @trusted void seg_write_output(D,E,M)( // @system? + D doc_html, + E doc_html_endnotes, + M doc_matters, + ) { + debug(asserts) { + static assert(is(typeof(doc_html) == string[][string])); + } + mixin spineRgxFiles; + static auto rgx_files = RgxFiles(); + auto pth_html = spinePathsHTML!()(doc_matters.output_path, doc_matters.src.language); + auto xhtml_format = outputXHTMLs(); + auto m = doc_matters.src.filename.matchFirst(rgx_files.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(doc_matters)); + } + if (!exists(pth_html.fn_seg(doc_matters.src.filename, "index"))) { + symlink("./toc.html", (pth_html.fn_seg(doc_matters.src.filename, "index"))); + } + } catch (ErrnoException ex) { + // handle error + } + if (doc_matters.opt.action.vox_gt0) { + writeln(" ", pth_html.fn_seg(doc_matters.src.filename, "toc")); + } + } + void css(M)(M doc_matters) { + auto css = spineCss(doc_matters); + auto pth_html = spinePathsHTML!()(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); + } + if (!exists(pth_html.css ~ "/index.html")) { + import sisudoc.io_out.html_snippet; + mixin htmlSnippet; + auto f = File(pth_html.css ~"/index.html", "w"); + f.writeln(format_html_blank_page_guide_home( + "./css/html_scroll.css", + (doc_matters.opt.action.webserver_url_doc_root.length > 0) + ? doc_matters.opt.action.webserver_url_doc_root + : doc_matters.conf_make_meta.conf.w_srv_data_root_url, + "../index.html", + )); + } + } catch (ErrnoException ex) { + // Handle error + } + } + @trusted void images_cp(M)( // @system + M doc_matters, + ) { + { /+ (copy html images) +/ + auto pth_html = spinePathsHTML!()(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.vox_gt0) { + writeln("WARNING image not found: ", fn_src_in); + } + } + } + if (!exists(pth_html.image ~ "/index.html")) { + import sisudoc.io_out.html_snippet; + mixin htmlSnippet; + auto f = File(pth_html.image ~"/index.html", "w"); + f.writeln(format_html_blank_page_guide_home( + "../css/html_scroll.css", + (doc_matters.opt.action.webserver_url_doc_root.length > 0) + ? doc_matters.opt.action.webserver_url_doc_root + : doc_matters.conf_make_meta.conf.w_srv_data_root_url , + "../index.html", + )); + } + } + } +} diff --git a/src/sisudoc/io_out/html_snippet.d b/src/sisudoc/io_out/html_snippet.d new file mode 100644 index 0000000..480246a --- /dev/null +++ b/src/sisudoc/io_out/html_snippet.d @@ -0,0 +1,103 @@ +/+ +- Name: SisuDoc Spine, Doc Reform [a part of] + - Description: documents, structuring, processing, publishing, search + - static content generator + + - Author: Ralph Amissah + [ralph.amissah@gmail.com] + + - Copyright: (C) 2015 - 2024 Ralph Amissah, All Rights Reserved. + + - License: AGPL 3 or later: + + Spine (SiSU), a framework for document structuring, publishing and + search + + Copyright (C) Ralph Amissah + + This program is free software: you can redistribute it and/or modify it + under the terms of the GNU AFERO General Public License as published by the + Free Software Foundation, either version 3 of the License, or (at your + option) any later version. + + This program is distributed in the hope that it will be useful, but WITHOUT + ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + more details. + + You should have received a copy of the GNU General Public License along with + this program. If not, see [https://www.gnu.org/licenses/]. + + If you have Internet connection, the latest version of the AGPL should be + available at these locations: + [https://www.fsf.org/licensing/licenses/agpl.html] + [https://www.gnu.org/licenses/agpl.html] + + - Spine (by Doc Reform, related to SiSU) uses standard: + - docReform markup syntax + - standard SiSU markup syntax with modified headers and minor modifications + - docReform object numbering + - standard SiSU object citation numbering & system + + - Homepages: + [https://www.sisudoc.org] + [https://www.doc-reform.org] + + - Git + [https://git.sisudoc.org/] + ++/ +module sisudoc.io_out.html_snippet; +@safe: +template htmlSnippet() { + import + std.file, + std.outbuffer, + std.format, + std.uri, + std.conv : to; + import + sisudoc.io_out.rgx, + sisudoc.meta.rgx_files, + sisudoc.io_out.rgx_xhtml; + auto format_html_blank_page_guide_home()( + string css_style, + string home_url, + string collection_home_path + ) { + auto html_blank_default = format(q"┃ + + + + + + +

+ ⟰   +  ≅  +

+ +┃", + css_style, + home_url, + collection_home_path + ); + return html_blank_default; + } + string special_characters_text(string _txt) { + mixin spineRgxOut; + mixin spineRgxXHTML; + static auto rgx = RgxO(); + static auto rgx_xhtml = RgxXHTML(); + _txt = _txt + .replaceAll(rgx_xhtml.ampersand, "&") // "&" + .replaceAll(rgx_xhtml.quotation, """) // """ + .replaceAll(rgx_xhtml.less_than, "<") // "<" + .replaceAll(rgx_xhtml.greater_than, ">") // ">" + .replaceAll(rgx.br_line, "
") + .replaceAll(rgx.br_line_inline, "
") + .replaceAll(rgx.br_line_spaced, "
\n
") + .replaceAll(rgx.nbsp_char, " "); + return _txt; + } +} diff --git a/src/sisudoc/io_out/hub.d b/src/sisudoc/io_out/hub.d new file mode 100644 index 0000000..b68eb0d --- /dev/null +++ b/src/sisudoc/io_out/hub.d @@ -0,0 +1,238 @@ +/+ +- Name: SisuDoc Spine, Doc Reform [a part of] + - Description: documents, structuring, processing, publishing, search + - static content generator + + - Author: Ralph Amissah + [ralph.amissah@gmail.com] + + - Copyright: (C) 2015 - 2024 Ralph Amissah, All Rights Reserved. + + - License: AGPL 3 or later: + + Spine (SiSU), a framework for document structuring, publishing and + search + + Copyright (C) Ralph Amissah + + This program is free software: you can redistribute it and/or modify it + under the terms of the GNU AFERO General Public License as published by the + Free Software Foundation, either version 3 of the License, or (at your + option) any later version. + + This program is distributed in the hope that it will be useful, but WITHOUT + ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + more details. + + You should have received a copy of the GNU General Public License along with + this program. If not, see [https://www.gnu.org/licenses/]. + + If you have Internet connection, the latest version of the AGPL should be + available at these locations: + [https://www.fsf.org/licensing/licenses/agpl.html] + [https://www.gnu.org/licenses/agpl.html] + + - Spine (by Doc Reform, related to SiSU) uses standard: + - docReform markup syntax + - standard SiSU markup syntax with modified headers and minor modifications + - docReform object numbering + - standard SiSU object citation numbering & system + + - Homepages: + [https://www.sisudoc.org] + [https://www.doc-reform.org] + + - Git + [https://git.sisudoc.org/] + ++/ +/++ + output hub
+ check & generate output types requested ++/ +module sisudoc.io_out.hub; +@safe: +template outputHub() { + import sisudoc.io_out, + sisudoc.io_out.metadata, + sisudoc.io_out.xmls, + sisudoc.io_out.create_zip_file, + sisudoc.io_out.paths_output; + @system void outputHub(D,I)( + const D doc_abstraction, + I doc_matters + ) { + mixin Msg; + auto msg = Msg!()(doc_matters); + enum outTask { source_or_pod, sqlite, sqlite_multi, latex, odt, epub, html_scroll, html_seg, html_stuff } + void Scheduled(D,I)(int sched, D doc_abstraction, I doc_matters) { + auto msg = Msg!()(doc_matters); + if (sched == outTask.source_or_pod) { + msg.v("spine (doc reform) source processing... "); + if (doc_matters.opt.action.pod) { + msg.v("spine (doc reform) source pod processing... "); + } + import sisudoc.io_out.source_pod; + spinePod!()(doc_matters); + if (doc_matters.opt.action.source) { + msg.vv("spine (doc reform) source done"); + } + if (doc_matters.opt.action.pod) { + msg.vv("spine (doc reform) source pod done"); + } + } + if (sched == outTask.epub) { + msg.v("epub3 processing... "); + import sisudoc.io_out.epub3; + doc_abstraction.outputEPub3!()(doc_matters); + msg.vv("epub3 done"); + } + if (sched == outTask.html_stuff) { + outputMetadata!()(doc_matters); + msg.vv("html metadata done"); + } + if (sched == outTask.html_scroll) { + msg.v("html scroll processing... "); + import sisudoc.io_out.html; + outputHTML!().scroll(doc_abstraction, doc_matters); + msg.vv("html scroll done"); + } + if (sched == outTask.html_seg) { + msg.v("html seg processing... "); + import sisudoc.io_out.html; + outputHTML!().seg(doc_abstraction, doc_matters); + msg.vv("html seg done"); + } + if (sched == outTask.html_stuff) { + import sisudoc.io_out.html; + outputHTML!().css(doc_matters); + outputHTML!().images_cp(doc_matters); + msg.vv("html css & images done"); + } + if (sched == outTask.latex) { + msg.v("latex processing... (available for downstream processing & pdf output"); + import sisudoc.io_out.latex; + import std.file; + if ((isValidPath(doc_matters.output_path ~ "/latex/sty")) + && (!(exists(doc_matters.output_path ~ "/latex/sty"))) + ) { + outputLaTeXstyInit!()( + doc_matters.output_path, + doc_matters.opt.action.generated_by, + doc_matters.generator_program.name_version_and_compiler, + doc_matters.generator_program.time_output_generated, + ); + } + outputLaTeX!()(doc_abstraction, doc_matters); + msg.vv("latex done"); + } + if (sched == outTask.odt) { + msg.v("odf:odt processing... "); + import sisudoc.io_out.odt; + outputODT!()(doc_abstraction, doc_matters); + msg.vv("odf:odt done"); + } + if (sched == outTask.sqlite) { + msg.v("sqlite processing... "); + import sisudoc.io_out.sqlite; + doc_abstraction.SQLiteHubDiscreteBuildTablesAndPopulate!()(doc_matters); + msg.vv("sqlite done"); + } + } + if (doc_matters.opt.action.vox_gt0) { + writeln(" ", doc_matters.src.filename_base); + } + if (!(doc_matters.opt.action.parallelise_subprocesses)) { + foreach(schedule; doc_matters.opt.action.output_task_scheduler) { + Scheduled!()(schedule, doc_abstraction, doc_matters); + } + } else { + import std.parallelism; + foreach(schedule; parallel(doc_matters.opt.action.output_task_scheduler)) { + Scheduled!()(schedule, doc_abstraction, doc_matters); + } + } + if (doc_matters.opt.action.sqlite_update) { + msg.v("sqlite update processing..."); + import sisudoc.io_out.sqlite; + doc_abstraction.SQLiteHubBuildTablesAndPopulate!()(doc_matters); + msg.vv("sqlite update done"); + } else if (doc_matters.opt.action.sqlite_delete) { + msg.v("sqlite delete processing..."); + import sisudoc.io_out.sqlite; + doc_abstraction.SQLiteHubBuildTablesAndPopulate!()(doc_matters); + msg.vv("sqlite delete done"); + } + } +} +template outputHubInitialize() { + import std.file; + import sisudoc.io_out, + sisudoc.io_out.metadata, + sisudoc.io_out.paths_output; + string _bespoke_homepage = "./spine-bespoke-output/html/homepage.index.html"; + @system void outputHubInitialize(O,I)( + O opt_action, + I program_info + ) { + if ((opt_action.html || opt_action.html_seg || opt_action.html_scroll) + && opt_action.output_dir_set.length > 0 + && !(opt_action.output_dir_set ~ "/index.html").exists + ) { + writeln(_bespoke_homepage); + if ((_bespoke_homepage).exists) { + writeln("copy bespoke html homepage\n", _bespoke_homepage, " -> ", opt_action.output_dir_set, "/index.html"); + _bespoke_homepage.copy(opt_action.output_dir_set ~ "/index.html"); + } else { + writeln("place bespoke homepage in ", _bespoke_homepage); + } + } + if ( + opt_action.latex_document_header_sty + || ( + opt_action.latex + && opt_action.output_dir_set.length > 0 + && !(isValidPath(opt_action.output_dir_set ~ "/latex/sty"))) + ) { // .sty need to be produced only once (if unchanged per output-dir of which there usually will be only one) + import sisudoc.io_out.latex; + outputLaTeXstyInit!()( + opt_action.output_dir_set, + opt_action.generated_by, + program_info.name_version_and_compiler, + program_info.time_output_generated, + ); + writeln(opt_action.latex); + } + } +} +template outputHubOp() { + import sisudoc.io_out, + sisudoc.io_out.metadata, + sisudoc.io_out.xmls, + sisudoc.io_out.create_zip_file, + sisudoc.io_out.paths_output; + @system void outputHubOp(E,O,C)(E env, O opt_action, C config) { + if ((opt_action.sqlite_db_drop)) { + if ((opt_action.vox_gt1)) { + writeln("sqlite drop db..."); + } + import sisudoc.io_out.sqlite; + SQLiteDbDrop!()(opt_action, config); + if ((opt_action.vox_gt2)) { + writeln("sqlite drop db done"); + } + } + if ((opt_action.sqlite_db_create)) { + if ((opt_action.vox_gt1)) { + auto pth_sqlite_db = spinePathsSQLite!()(opt_action.cgi_sqlite_search_filename, opt_action.output_dir_set); + writeln("sqlite create table..."); + } + import sisudoc.io_out.sqlite; + SQLiteTablesCreate!()(env, opt_action, config); + if ((opt_action.vox_gt2)) { + writeln("sqlite create table done"); + } + } + } +} diff --git a/src/sisudoc/io_out/latex.d b/src/sisudoc/io_out/latex.d new file mode 100644 index 0000000..a6867cb --- /dev/null +++ b/src/sisudoc/io_out/latex.d @@ -0,0 +1,1771 @@ +/+ +- Name: SisuDoc Spine, Doc Reform [a part of] + - Description: documents, structuring, processing, publishing, search + - static content generator + + - Author: Ralph Amissah + [ralph.amissah@gmail.com] + + - Copyright: (C) 2015 - 2024 Ralph Amissah, All Rights Reserved. + + - License: AGPL 3 or later: + + Spine (SiSU), a framework for document structuring, publishing and + search + + Copyright (C) Ralph Amissah + + This program is free software: you can redistribute it and/or modify it + under the terms of the GNU AFERO General Public License as published by the + Free Software Foundation, either version 3 of the License, or (at your + option) any later version. + + This program is distributed in the hope that it will be useful, but WITHOUT + ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + more details. + + You should have received a copy of the GNU General Public License along with + this program. If not, see [https://www.gnu.org/licenses/]. + + If you have Internet connection, the latest version of the AGPL should be + available at these locations: + [https://www.fsf.org/licensing/licenses/agpl.html] + [https://www.gnu.org/licenses/agpl.html] + + - Spine (by Doc Reform, related to SiSU) uses standard: + - docReform markup syntax + - standard SiSU markup syntax with modified headers and minor modifications + - docReform object numbering + - standard SiSU object citation numbering & system + + - Homepages: + [https://www.sisudoc.org] + [https://www.doc-reform.org] + + - Git + [https://git.sisudoc.org/] + ++/ +module sisudoc.io_out.latex; +@safe: +template paperLaTeX() { + import + std.format, + std.conv : to; + auto paperLaTeX() { + string mm(uint mmi) { + string _mm = format(q"┃%smm┃", mmi.to!string); + return _mm; + } + struct PaperType { + auto a4() { + struct A4 { + auto portrait() { + struct V { + string stylesheet = "spineA4portrait"; + string papersize = "a4paper"; + string orient = "portrait"; + string fontsize = "11pt"; + const uint w = 170; + const uint h = 257; + const uint l = 30; + const uint r = 20; + const uint t = 30; + const uint b = 30; + string width = mm(w); + string height = mm(h); + string margin_left = mm(l); + string margin_right = mm(r); + string margin_top = mm(t); + string margin_bottom = mm(b); + uint img_px = 450; + bool is_portrait = true; + } + return V(); + } + auto landscape() { + struct H { + string stylesheet = "spineA4landscape"; + string papersize = "a4paper"; + string orient = "landscape"; + string fontsize = "11pt"; + const uint w = 238; + const uint h = 160; + const uint l = 30; + const uint r = 20; + const uint t = 30; + const uint b = 30; + string width = mm(w); + string height = mm(h); + string margin_left = mm(l); + string margin_right = mm(r); + string margin_top = mm(t); + string margin_bottom = mm(b); + uint img_px = 300; + bool is_portrait = false; + } + return H(); + } + } + return A4(); + } + auto a5() { + struct A5 { + auto portrait() { + struct V { + string stylesheet = "spineA5portrait"; + string papersize = "a5paper"; + string orient = "portrait"; + string fontsize = "11pt"; + const uint w = 112; + const uint h = 162; + const uint l = 30; + const uint r = 20; + const uint t = 30; + const uint b = 30; + string width = mm(w); + string height = mm(h); + string margin_left = mm(l); + string margin_right = mm(r); + string margin_top = mm(t); + string margin_bottom = mm(b); + uint img_px = 280; + bool is_portrait = true; + } + return V(); + } + auto landscape() { + struct H { + string stylesheet = "spineA5landscape"; + string papersize = "a5paper"; + string orient = "landscape"; + string fontsize = "11pt"; + const uint w = 152; + const uint h = 100; + const uint l = 30; + const uint r = 20; + const uint t = 30; + const uint b = 30; + string width = mm(w); + string height = mm(h); + string margin_left = mm(l); + string margin_right = mm(r); + string margin_top = mm(t); + string margin_bottom = mm(b); + uint img_px = 190; + bool is_portrait = false; + } + return H(); + } + } + return A5(); + } + auto b4() { + struct B4 { + auto portrait() { + struct V { + string stylesheet = "spineB4portrait"; + string papersize = "b4paper"; + string orient = "portrait"; + string fontsize = "11pt"; + const uint w = 140; + const uint h = 204; + const uint l = 30; + const uint r = 20; + const uint t = 30; + const uint b = 30; + string width = mm(w); + string height = mm(h); + string margin_left = mm(l); + string margin_right = mm(r); + string margin_top = mm(t); + string margin_bottom = mm(b); + uint img_px = 356; + bool is_portrait = true; + } + return V(); + } + auto landscape() { + struct H { + string stylesheet = "spineB4landsape"; + string papersize = "b4paper"; + string orient = "landscape"; + string fontsize = "11pt"; + const uint w = 200; + const uint h = 130; + const uint l = 30; + const uint r = 20; + const uint t = 30; + const uint b = 30; + string width = mm(w); + string height = mm(h); + string margin_left = mm(l); + string margin_right = mm(r); + string margin_top = mm(t); + string margin_bottom = mm(b); + uint img_px = 260; + bool is_portrait = false; + } + return H(); + } + } + return B4(); + } + auto letter() { + struct Letter { + auto portrait() { + struct V { + string stylesheet = "spineLetterPortrait"; + string papersize = "letterpaper"; + string orient = "portrait"; + string fontsize = "11pt"; + const uint w = 166; + const uint h = 212; + const uint l = 30; + const uint r = 20; + const uint t = 30; + const uint b = 30; + string width = mm(w); + string height = mm(h); + string margin_left = mm(l); + string margin_right = mm(r); + string margin_top = mm(t); + string margin_bottom = mm(b); + uint img_px = 468; + bool is_portrait = true; + } + return V(); + } + auto landscape() { + struct H { + string stylesheet = "spineLetterLandscape"; + string papersize = "letterpaper"; + string orient = "landscape"; + string fontsize = "11pt"; + const uint w = 226; + const uint h = 166; + const uint l = 30; + const uint r = 20; + const uint t = 30; + const uint b = 30; + string width = mm(w); + string height = mm(h); + string margin_left = mm(l); + string margin_right = mm(r); + string margin_top = mm(t); + string margin_bottom = mm(b); + uint img_px = 290; + bool is_portrait = false; + } + return H(); + } + } + return Letter(); + } + auto legal() { + struct Legal { + auto portrait() { + struct V { + string stylesheet = "spineLegalPortrait"; + string papersize = "legalpaper"; + string orient = "portrait"; + string fontsize = "11pt"; + const uint w = 168; + const uint h = 286; + const uint l = 30; + const uint r = 20; + const uint t = 30; + const uint b = 30; + string width = mm(w); + string height = mm(h); + string margin_left = mm(l); + string margin_right = mm(r); + string margin_top = mm(t); + string margin_bottom = mm(b); + uint img_px = 474; + bool is_portrait = true; + } + return V(); + } + auto landscape() { + struct H { + string stylesheet = "spineLegalLandscape"; + string papersize = "legalpaper"; + string orient = "landscape"; + string fontsize = "11pt"; + const uint w = 296; + const uint h = 166; + const uint l = 30; + const uint r = 20; + const uint t = 30; + const uint b = 30; + string width = mm(w); + string height = mm(h); + string margin_left = mm(l); + string margin_right = mm(r); + string margin_top = mm(t); + string margin_bottom = mm(b); + uint img_px = 420; + bool is_portrait = false; + } + return H(); + } + } + return Legal(); + } + } + return PaperType(); + } +} +template outputLaTeX() { + import + std.digest.sha, + std.file, + std.outbuffer, + std.uri, + std.conv : to; + import + sisudoc.io_out, + sisudoc.io_out.rgx, + sisudoc.io_out.rgx_latex; + mixin spineRgxOut; + static auto rgx = RgxO(); + mixin spineRgxLSC; + static auto rgx_sc = RgxLSC(); + mixin spineLanguageCodes; + auto lang = Lang(); + auto paper = paperLaTeX; + string sp_char_ops()( + string _txt, + ) { + string _unescape_sp_char_esc()(string _txt) { + _txt = _txt + .replaceAll(rgx_sc.latex_special_char_escaped, + format(q"┃%s┃", "$1")) + .replaceAll(rgx_sc.latex_special_char_escaped_braced, + format(q"┃%s┃", "$1")); + return _txt; + } + string _unescape_fontface_esc()(string _txt) { + _txt = _txt.replaceAll(rgx_sc.latex_identify_inline_fontface, + format(q"┃%s%s┃", "$1", "$2")); + return _txt; + } + _txt = replaceAll!(m => "\\" ~ m[1])(_txt, rgx_sc.latex_special_char_for_escape); + _txt = replaceAll!(m => "{\\" ~ m[1] ~ "}")(_txt, rgx_sc.latex_special_char_for_escape_and_braces); + _txt = replaceAll!(m => "''")(_txt, rgx.quotes_open_and_close); + _txt = replaceAll!(m => "$\\cdot$")(_txt, rgx.middle_dot); + _txt = replaceAll!(m => _unescape_sp_char_esc(m[0]))(_txt, rgx_sc.latex_identify_inline_link); + _txt = replaceAll!(m => _unescape_fontface_esc(m[0]))(_txt, rgx_sc.latex_identify_inline_fontface); + return _txt; + } + string sp_char_esc(O)( + string _txt, + const O obj, + ) { + if (obj.metainfo.is_a != "code") { + _txt = _txt.sp_char_ops; + } + return _txt; + } + string sp_char_esc_txt()( + string _txt, + ) { + _txt = _txt.sp_char_ops; + return _txt; + } + string marked_linebreaks_newlines()( + string _txt, + ) { + _txt = _txt.split(rgx.br_linebreaks_newlines).join("\\br\n").strip; + // _txt = replaceAll!(m => "\\br " ~ m[1])(_txt, rgx.br_linebreaks_newlines); + return _txt; + } + 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"┃$$^{%s}$$┃", "$1")) + .replaceAll(rgx.inline_subscript, format(q"┃$$_{%s}$$┃", "$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; + } + string leading_hardspaces()( + string _txt, + ) { + string hardspaces(string _spaces) { + _spaces = _spaces + .replaceAll(rgx.space, "{\\s}"); + return _spaces; + } + _txt = replaceAll!(m => hardspaces(m[0]))(_txt, rgx.spaces_line_start); + return _txt; + } + string nbsp_char()(string _txt) { + if (_txt.match(rgx.nbsp_char)) { + foreach (m; _txt.matchAll(rgx.nbsp_chars)) { + int spaces_ = 0; + foreach (n; m[0].matchAll(rgx.nbsp_char)) { + spaces_ ++; + } + _txt = _txt.replaceFirst(rgx.nbsp_chars, "\\spaces{" ~ spaces_.to!string ~ "}"); + } + } + return _txt; + } + string spaces_to_nbsp()(string _txt) { + if (_txt.match(rgx.spaces_keep)) { + foreach (m; _txt.matchAll(rgx.spaces_keep)) { + int spaces_ = 0; + foreach (n; m[0].matchAll(rgx.space)) { + spaces_ ++; + } + _txt = _txt.replaceFirst(rgx.spaces_keep, "\\spaces{" ~ spaces_.to!string ~ "}"); + } + } + return _txt; + } + string nbsp_char_to_space()(string _txt) { + if (_txt.match(rgx.nbsp_char)) { + _txt = _txt.replaceAll(rgx.nbsp_char, " "); + } + return _txt; + } + 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 = spinePathsLaTeX(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]), " \\br\n") + )(_linked_content, rgx.inline_image_info); + } + return _linked_content; + } + string _check_link(string _link) { + _link = _link + .replaceFirst(rgx_sc.latex_clean_internal_link, "") + .replaceAll(rgx_sc.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))) // url link (regular link with url) + ? format(q"┃\linkurl{%s}{%s}┃", _check_link(m[1]), (_check_link(m[1])).sp_char_esc_txt) + : ((m[2].match(rgx.uri)) && (m[1].match(rgx.inline_image_info))) // linked image + ? format(q"┃%s\href{%s}%s{%s}┃", "\\br ", _check_link(m[2]), "\n", _if_images(m[1])) // markup for images + : (m[2].match(rgx.uri)) // not linked image + ? format(q"┃%s\linktext{%s}{%s}┃", "\\br ", _check_link(m[2]), m[1]) // regular link with text + : format(q"┃\hyperlink{%s}{%s}┃", _check_link(m[2]), _if_images(m[1])) // internal links, like book index + )(_txt, rgx.inline_link); + } + } + return _txt; + } + 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.split(rgx.br_linebreaks).join("\\br ").replaceAll(rgx.inline_notes_al_regular_number_note, + format(_tex_note, + "$1", "$1", "$1", + "$2".strip + ).strip + ); + } + return _txt; + } + string remove_footnotes()( + string _txt, + ) { + if (_txt.match(rgx.inline_notes_al_gen)) { + _txt = replaceAll!(m => "")(_txt, rgx.inline_notes_al_gen); + } + return _txt; + } + string para(O)( + string _txt, + O obj, + ) { + if (obj.metainfo.is_of_type == "para") { + string _tex_para; + _tex_para = q"┃\ocn{%s}%s┃"; + _txt = format(_tex_para, + obj.metainfo.object_number, + _txt.footnotes + ).strip; + } + return _txt; + } + 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_sc.latex_clean_bookindex_linebreak, "\n") ~ "\n\\brln\n" + ); + } + return _txt; + } + string heading(O,M)( + string _txt, + O obj, + M doc_matters, + string paper_size_orientation, + string _part = "" + ) { + struct latexMarks { + string pg_break = "\\clearpage\n"; + } + latexMarks manual_breaks( + latexMarks _ltx, + string test_for_break_level, + ) { + if ((!(doc_matters.conf_make_meta.make.breaks.empty) + && (matchFirst(doc_matters.conf_make_meta.make.breaks, test_for_break_level))) + ) { // manually override defaults + if ((matchFirst(doc_matters.conf_make_meta.make.breaks, rgx.make_breakpage)) + && (matchFirst(doc_matters.conf_make_meta.make.breaks, rgx.make_breakcolumn)) + ) { + if (auto m = matchFirst(doc_matters.conf_make_meta.make.breaks, rgx.make_breakpage)) { + if (matchFirst(m.captures["breakpage"], test_for_break_level)) { + _ltx.pg_break = "\\clearpage\n"; + } else if (auto n = matchFirst(doc_matters.conf_make_meta.make.breaks, rgx.make_breakcolumn)) { + if (matchFirst(n.captures["breakcolumn"], test_for_break_level)) { + if ((paper_size_orientation == "a4.landscape") + || (paper_size_orientation == "b4.landscape") + || (paper_size_orientation == "a5.landscape") + || (paper_size_orientation == "letter.landscape") + || (paper_size_orientation == "legal.landscape") + ) { + _ltx.pg_break = "\\\\ \\columnbreak\n"; // "\\\\ \\newpage\n"; + } else { // portrait + _ltx.pg_break = "\\clearpage\n"; + } + } + } + } + } else if (auto m = matchFirst(doc_matters.conf_make_meta.make.breaks, rgx.make_breakpage)) { + if (matchFirst(m.captures["breakpage"], test_for_break_level)) { + _ltx.pg_break = "\\clearpage\n"; + } + } else if (auto m = matchFirst(doc_matters.conf_make_meta.make.breaks, rgx.make_breakcolumn)) { + if (matchFirst(m.captures["breakcolumn"], test_for_break_level)) { + if ((paper_size_orientation == "a4.landscape") + || (paper_size_orientation == "b4.landscape") + || (paper_size_orientation == "a5.landscape") + || (paper_size_orientation == "letter.landscape") + || (paper_size_orientation == "legal.landscape") + ) { + _ltx.pg_break = "\\\\ \\columnbreak\n"; // "\\\\ \\newpage\n"; + } else { // portrait + _ltx.pg_break = "\\clearpage\n"; + } + } + } + } else if (!(doc_matters.conf_make_meta.make.breaks.empty)) { + _ltx.pg_break = ""; + } + return _ltx; + } + if (obj.metainfo.is_a == "heading") { + string _tex_para; + latexMarks _ltx = latexMarks(); + 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\\br\n\\begin{multicols}{2}"; + if (doc_matters.conf_make_meta.make.doc_type == "article") { // defaults for article + _ltx.pg_break = ""; + } else if (doc_matters.conf_make_meta.make.doc_type == "book") { // defaults for book + _ltx.pg_break = "\\clearpage\n"; + } else { + _ltx.pg_break = "\\clearpage\n"; + } + _ltx = manual_breaks(_ltx, "1"); + _pg_break = _ltx.pg_break; + _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 = " \\br\n"; + _title_add = ""; + goto default; + case 6: // 3 == subsubsection + _pg_break = ""; + // _pg_break = "newpage"; // doubt this is necessary + _sect = "subsubsection"; + _post = " \\br\n"; + _title_add = ""; + goto default; + case 7: // 4 == paragraph + _pg_break = ""; + // _pg_break = "newpage"; // doubt this is necessary + _sect = "paragraph"; + _post = " \\br\n"; + _title_add = ""; + goto default; + case 8: // 5 == subparagraph + _pg_break = ""; + // _pg_break = "newpage"; // doubt this is necessary + _sect = "subparagraph"; + _post = " \\br\n"; + _title_add = ""; + goto default; + default: + if (obj.metainfo.heading_lev_markup == 0) { + _tex_para = q"┃ +\begin{document} +\thispagestyle{empty} +\title{%s%s} +\author{ \textnormal{%s}} +\date{\begin{tiny}%s\end{tiny}} +\maketitle +\addcontentsline{toc}{part}{%s} +\newpage +\pagestyle{fancy} +\pagenumbering{alph} +\setcounter{page}{1} +\markboth{%s}{%s} +\br\linebreak Copyright {\begin{small}{\copyright\end{small}} %s \br\linebreak +%s +\clearpage┃"; + _txt = format(_tex_para, + (doc_matters.conf_make_meta.meta.title_main).sp_char_esc_txt, + doc_matters.conf_make_meta.meta.title_subtitle.empty ? "" + : " \\\\ - \\\\ " ~ (doc_matters.conf_make_meta.meta.title_subtitle).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_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.marked_linebreaks_newlines, + (doc_matters.conf_make_meta.meta.rights_license).sp_char_esc_txt.marked_linebreaks_newlines, + ); + } else if (obj.metainfo.heading_lev_markup < 4) { + if (!(_txt.footnotes.strip == "Endnotes")) { + _tex_para = q"┃%s\part*{\ocn{%s}%s} +\addcontentsline{toc}{part}{%s} +\markboth{%s}┃"; + _txt = format(_tex_para, + _pg_break, + 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{arabic} +\setcounter{page}{1} +\markboth{ }{ } +\part*{\ocn{1}%s \newline %s} + +\clearpage +\pagenumbering{roman} +\setcounter{page}{1} +\renewcommand{\contentsname}{} +\tableofcontents + +\clearpage +\pagenumbering{arabic} +\setcounter{page}{2} +\clearpage +\markboth{%s}{%s} +%% \null +\clearpage +\setcounter{page}{2}┃"; + _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_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*{\ocn{%s}%s} +\addcontentsline{toc}{%s}{%s%s}%s%s┃"; + _txt = format(_tex_para, + _pg_break, + _sect.strip, + 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*{\ocn{%s}%s} +\addcontentsline{toc}{%s}{%s%s}%s┃"; + _txt = format(_tex_para, + _pg_break, + _sect.strip, + obj.metainfo.object_number, + _txt.footnotes.strip, + _sect, + _txt.remove_footnotes.strip, + _post, + _title_add, + ); + } + } + break; + } + } + return _txt.strip; + } + string group(O,M)( + string _txt, + O obj, + M doc_matters, + ) { + if (obj.metainfo.is_a == "group") { + string _tex_para; + _tex_para = q"┃\ocn{%s}\objGroupOpen +%s +\objGroupClose +┃"; + _txt = format(_tex_para, + obj.metainfo.object_number, + _txt.footnotes.split(rgx.br_line_spaced).join("\\brl{1}").strip // provides more control (more noise, not as tidy) + // _txt.footnotes.split(rgx.br_line_spaced).join("") // this works using a line-space, looks tidy, keep ref. + ).strip; + } + return _txt; + } + string block(O,M)( + string _txt, + O obj, + M doc_matters, + ) { + if (obj.metainfo.is_a == "block") { + string _tex_para; + _tex_para = q"┃\ocn{%s}\objBlockOpen +%s +\objBlockClose +┃"; + _txt = format(_tex_para, + obj.metainfo.object_number, + _txt.nbsp_char.footnotes.split(rgx.br_linebreaks_newlines).join("\\br\n").strip + ).strip; + } + return _txt; + } + string verse(O,M)( + string _txt, + O obj, + M doc_matters, + ) { + if (obj.metainfo.is_a == "verse") { + string _tex_para; + _tex_para = q"┃\ocn{%s}\objPoemVerseOpen +%s +\objPoemVerseClose +┃"; + _txt = format(_tex_para, + obj.metainfo.object_number, + _txt.spaces_to_nbsp.footnotes.split(rgx.br_linebreaks_newlines).join("\\br\n").strip + ).strip; + } + return _txt; + } + string codeblock(O,M)( + string _txt, + O obj, + M doc_matters, + ) { + if (obj.metainfo.is_a == "code") { + string _tex_para; + _tex_para = q"┃\ocn{%s}\begin{objCodeBlock}\begin{lstlisting} +%s +\end{lstlisting}\end{objCodeBlock} +┃"; + _txt = format(_tex_para, + obj.metainfo.object_number, + _txt.nbsp_char_to_space + ).strip; + } + return _txt; + } + 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 ~= "\\\\"; + } + Tuple!(string, string) t = tuple( + _table, + _tablenote, + ); + return t; + } + string table(O,M)( + string _txt, + O obj, + M doc_matters, + string paper_size_orientation, + ) { + if (obj.metainfo.is_a == "table") { + auto _t = _txt.tablarize(obj); + string _table = _t[0]; + string _t_n = _t[1]; + uint pw = 0; + switch (paper_size_orientation) { + case "a4.portrait": pw = (paper.a4.portrait.w - 20); break; + case "a4.landscape": pw = (paper.a4.landscape.w - 20); break; + case "b4.portrait": pw = (paper.b4.portrait.w - 20); break; + case "b4.landscape": pw = (paper.b4.landscape.w - 20); break; + case "a5.portrait": pw = (paper.a5.portrait.w - 20); break; + case "a5.landscape": pw = (paper.a5.landscape.w - 20); break; + case "letter.portrait": pw = (paper.letter.portrait.w - 20); break; + case "letter.landscape": pw = (paper.letter.landscape.w - 20); break; + case "legal.portrait": pw = (paper.legal.portrait.w - 20); break; + case "legal.landscape": pw = (paper.legal.landscape.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"┃\ocn{%s}\objTableOpen{%s} +%s +\objTableClose +┃"; + _txt = format(_tex_para, + obj.metainfo.object_number, + _colw, + _table, + ).strip; + } + return _txt; + } + 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}%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.split(rgx.br_linebreaks_newlines).join("\\br\n") + ).strip; + } + return _txt; + } + string latex_head(M)( + M doc_matters, + string paper_size_orientation, + ) { + struct paperTypeLatex { + string a4_portrait; + string a4_landscape; + string b4_portrait; + string b4_landscape; + string a5_portrait; + string a5_landscape; + string us_letter_portrait; + string us_letter_landscape; + string us_legal_portrait; + string us_legal_landscape; + } + auto paper_type_latex = paperTypeLatex(); + string _footer(M)(M doc_matters) { + string _ft = "\\lfoot[\\textrm{\\thepage}]"; + string _ft_1 = format(q"┃{\tiny \href{%s}{%s}}┃", "https://sisudoc.org", "SiSU",); + string _ft_2 = format(q"┃ + \cfoot{\href{%s}{%s}}┃", "https://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; + } + struct paperMargins { + string portrait; + string landscape; + } + auto margins = paperMargins(); + struct columnsMulti { + string portrait; + string landscape; + } + auto multicol = columnsMulti(); + multicol.landscape = ""; + struct colorLinks { + string mono; + string color; + } + auto links = colorLinks(); + links.mono = format(q"┃ + colorlinks=true, + urlcolor=black, + filecolor=black, + linkcolor=black, + citecolor=black, +┃", + ); + links.color = format(q"┃ + colorlinks=true, + urlcolor=myblue, %% \href{...}{...} external url + filecolor=mygreen, %% \href{...} local file + linkcolor=myred, %% \href{...} and \pageref{...} + citecolor=black, +┃", + ); + string set_paper(P)(P paper_set,) { + string paper_type_description; + if (paper_set.is_portrait) { + paper_type_description = format(q"┃ +\documentclass[%s,%s,titlepage,makeidx]{scrartcl} +\usepackage{%s} +\usepackage[%s,%s]{babel} +\usepackage[autostyle, english = american]{csquotes} +%% \MakeOuterQuote{"} %% not required, using '' as quote delimiter +\selectlanguage{%s} +\hypersetup{ + pdftitle={%s}, + pdfauthor={%s}, + pdfsubject={%s}, +} +\usepackage{fancyhdr} +\lhead[ ]{ } +\chead[ \fancyplain{} \bfseries \footnotesize \leftmark ]{ \fancyplain{} \bfseries \footnotesize \rightmark } +\rhead[ ]{ } +%s +\rfoot[\tiny \href{}{}]{\textrm{\thepage}} + ┃", + paper_set.fontsize, + paper_set.papersize, + "./sty/" ~ paper_set.stylesheet, + lang.codes[doc_matters.src.language]["xlp"], + "english", + lang.codes[doc_matters.src.language]["xlp"], + 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, + _footer(doc_matters), + ); + } else { + paper_type_description = format(q"┃ +\documentclass[%s,%s,landscape,titlepage,twocolumn,makeidx]{scrartcl} +\usepackage{%s} +\usepackage[english]{babel} +%% \usepackage{polyglossia} +\setmainlanguage{%s} +\setotherlanguage{%s} +\selectlanguage{%s} +\hypersetup{ + pdftitle={%s}, + pdfauthor={%s}, + pdfsubject={%s}, +} +\usepackage{fancyhdr} +\lhead[ ]{ } +\chead[ \fancyplain{} \bfseries \footnotesize \leftmark ]{ \fancyplain{} \bfseries \footnotesize \rightmark } +\rhead[ ]{ } +%s +\rfoot[\tiny \href{}{}]{\textrm{\thepage}} + ┃", + paper_set.fontsize, + paper_set.papersize, + "./sty/" ~ paper_set.stylesheet, + lang.codes[doc_matters.src.language]["xlp"], + "english", + lang.codes[doc_matters.src.language]["xlp"], + 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, + _footer(doc_matters), + ); + } + return paper_type_description; + } + string paper_size_orientation_latex; + switch (paper_size_orientation) { + case "a4.portrait": paper_size_orientation_latex = set_paper(paper.a4.portrait); break; + case "a4.landscape": paper_size_orientation_latex = set_paper(paper.a4.landscape); break; + case "b4.portrait": paper_size_orientation_latex = set_paper(paper.b4.portrait); break; + case "b4.landscape": paper_size_orientation_latex = set_paper(paper.b4.landscape); break; + case "a5.portrait": paper_size_orientation_latex = set_paper(paper.a5.portrait); break; + case "a5.landscape": paper_size_orientation_latex = set_paper(paper.a5.landscape); break; + case "letter.portrait": paper_size_orientation_latex = set_paper(paper.letter.portrait); break; + case "letter.landscape": paper_size_orientation_latex = set_paper(paper.letter.landscape); break; + case "legal.portrait": paper_size_orientation_latex = set_paper(paper.legal.portrait); break; + case "legal.landscape": paper_size_orientation_latex = set_paper(paper.legal.landscape); break; + default: paper_size_orientation_latex = paper_type_latex.a4_portrait; + } + string links_mono_or_color_set = links.mono.strip; + if ( + (doc_matters.opt.action.latex_color_links) + || (paper_size_orientation == + "a4.landscape" || + "a5.landscape" || + "b4.landscape" || + "letter.landscape" || + "legal.landscape") + ){ + links_mono_or_color_set = links.mono.strip; + } + string _latex_head = format(q"┃%%%% spine LaTeX output%s%s +%%%% %s %s +%s +%s + ┃", + doc_matters.opt.action.generated_by ? " " ~ doc_matters.generator_program.name_version_and_compiler : "", + doc_matters.opt.action.generated_by ? " (generated " ~ doc_matters.generator_program.time_output_generated ~ ")" : "", + doc_matters.generator_program.project_name.strip, + doc_matters.generator_program.url_home.strip, + paper_size_orientation_latex.strip, + margins.portrait.strip, + ); + return _latex_head.strip; + } + string latex_body(D,M)( + const D doc_abstraction, + M doc_matters, + string paper_size_orientation, + ) { + string _latex_body = ""; + bool _multicolumns = false; + string _txt; + foreach (part; doc_matters.has.keys_seq.latex) { + foreach (obj; doc_abstraction[part]) { + switch (obj.metainfo.is_of_part) { + 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, paper_size_orientation); + goto default; + case "toc": + break; + default: + _latex_body ~= _txt ~ "\n\n"; + _txt = ""; + break; + } + break; + default: break; + } + break; + 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, paper_size_orientation); + 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, paper_size_orientation); + goto default; // TODO + default: + _latex_body ~= _txt ~ "\n\n"; + _txt = ""; + break; + } + break; + default: break; + } + break; + 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, paper_size_orientation, part); + goto default; + case "endnote": assert(part == "endnotes"); + /* uncomment code to reinstate endnotes in endnote section */ + // _txt = _txt.para(obj) + // .bullets_and_indentation(obj) + // .links_and_images(obj, doc_matters); + // goto default; + break; + 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; + case "comment": + break; + default: + { /+ debug +/ + if (doc_matters.opt.action.debug_do_latex + && doc_matters.opt.action.vox_gt1) { + 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"; + } + return _latex_body; + } + string latex_tail(M)( + M doc_matters, + string paper_size_orientation, + ) { + string _latex_tail = format(q"┃ + +\end{document} + ┃", + // doc_matters.conf_make_meta.meta.title_full, + // doc_matters.conf_make_meta.meta.creator_author, + ); + return _latex_tail; + } + void writeOutputLaTeX(T,M)( + const T latex_content, + M doc_matters, + string paper_size_orientation, + ) { + auto pth_latex = spinePathsLaTeX(doc_matters); + try { + { /+ debug +/ + if (doc_matters.opt.action.debug_do_latex + && doc_matters.opt.action.vox_gt1) { + 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.vox_gt0) { + writeln(" ", pth_latex.latex_file_with_path(paper_size_orientation)); + } + { + auto f = File(pth_latex.latex_file_with_path(paper_size_orientation), "w"); + f.writeln(latex_content.head); + f.writeln(latex_content.content); + f.writeln(latex_content.tail); + foreach (image; doc_matters.srcs.image_list) { + 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); + } + } + } + if (!exists(pth_latex.latex_path_stuff ~ "/index.html")) { + import sisudoc.io_out.html_snippet; + mixin htmlSnippet; + auto f = File(pth_latex.latex_path_stuff ~"/index.html", "w"); + f.writeln(format_html_blank_page_guide_home( + "../../css/html_scroll.css", + (doc_matters.opt.action.webserver_url_doc_root.length > 0) + ? doc_matters.opt.action.webserver_url_doc_root + : doc_matters.conf_make_meta.conf.w_srv_data_root_url + , + "../../index.html", + )); + } + // should be in latex init and done just once, doc_matters not passed there though + if (!exists(pth_latex.base ~ "/index.html")) { + import sisudoc.io_out.html_snippet; + mixin htmlSnippet; + auto f = File(pth_latex.base ~"/index.html", "w"); + f.writeln(format_html_blank_page_guide_home( + "../css/html_scroll.css", + (doc_matters.opt.action.webserver_url_doc_root.length > 0) + ? doc_matters.opt.action.webserver_url_doc_root + : doc_matters.conf_make_meta.conf.w_srv_data_root_url, + "../index.html", + )); + } + if (!exists(pth_latex.base_sty ~ "/index.html")) { + import sisudoc.io_out.html_snippet; + mixin htmlSnippet; + auto f = File(pth_latex.base_sty ~"/index.html", "w"); + f.writeln(format_html_blank_page_guide_home( + "../../css/html_scroll.css", + (doc_matters.opt.action.webserver_url_doc_root.length > 0) + ? doc_matters.opt.action.webserver_url_doc_root + : doc_matters.conf_make_meta.conf.w_srv_data_root_url, + "../../index.html", + )); + } + } catch (ErrnoException ex) { + // handle error + } + } + void outputLaTeX(D,M)( + const D doc_abstraction, + M doc_matters, + ) { + struct LaTeX { + string head; + string content; + string tail; + } + auto latex = LaTeX(); + foreach (paper_size_orientation; doc_matters.conf_make_meta.conf.set_papersize) { + latex.head = latex_head(doc_matters, paper_size_orientation); + latex.content = latex_body(doc_abstraction, doc_matters, paper_size_orientation); + latex.tail = latex_tail(doc_matters, paper_size_orientation); + latex.writeOutputLaTeX(doc_matters, paper_size_orientation); + } + } +} +template outputLaTeXstyInit() { + import sisudoc.io_out; + auto paper = paperLaTeX; + void writeOutputLaTeXstyStatic( + string latex_sty, + string output_dir, + string filename, + ) { + if ((output_dir.length > 0) + && isValidPath(output_dir) + ) { + auto pth_latex = spinePathsLaTeXsty(output_dir); + try { + import std.file; + if (!exists(pth_latex.base_sty)) { + (pth_latex.base_sty).mkdirRecurse; + } + { + auto f = File(pth_latex.latex_document_header_sty(filename), "w"); + f.writeln(latex_sty); + } + } catch (ErrnoException ex) { + // handle error + } + } + } + void outputLaTeXstyInit()( + string output_dir, + bool generated_by, + string name_version_and_compiler, + string time_output_generated, + ) { + string latex_sty = outputLaTeXstyStatic!()(generated_by, name_version_and_compiler, time_output_generated); + latex_sty.writeOutputLaTeXstyStatic(output_dir, "spineShared.sty"); + auto sty_a4p = paper.a4.portrait; + auto latex_papersize_and_orientation = outputLaTeXstyPaperSizeAndOrientation!()(sty_a4p, generated_by, name_version_and_compiler, time_output_generated); + latex_papersize_and_orientation.writeOutputLaTeXstyStatic(output_dir, sty_a4p.stylesheet ~ ".sty"); + auto sty_a4l = paper.a4.landscape; + latex_papersize_and_orientation = outputLaTeXstyPaperSizeAndOrientation!()(sty_a4l, generated_by, name_version_and_compiler, time_output_generated); + latex_papersize_and_orientation.writeOutputLaTeXstyStatic(output_dir, sty_a4l.stylesheet ~ ".sty"); + auto sty_b4p = paper.b4.portrait; + latex_papersize_and_orientation = outputLaTeXstyPaperSizeAndOrientation!()(sty_b4p, generated_by, name_version_and_compiler, time_output_generated); + latex_papersize_and_orientation.writeOutputLaTeXstyStatic(output_dir, sty_b4p.stylesheet ~ ".sty"); + auto sty_b4l = paper.b4.landscape; + latex_papersize_and_orientation = outputLaTeXstyPaperSizeAndOrientation!()(sty_b4l, generated_by, name_version_and_compiler, time_output_generated); + latex_papersize_and_orientation.writeOutputLaTeXstyStatic(output_dir, sty_b4l.stylesheet ~ ".sty"); + auto sty_a5p = paper.a5.portrait; + latex_papersize_and_orientation = outputLaTeXstyPaperSizeAndOrientation!()(sty_a5p, generated_by, name_version_and_compiler, time_output_generated); + latex_papersize_and_orientation.writeOutputLaTeXstyStatic(output_dir, sty_a5p.stylesheet ~ ".sty"); + auto sty_a5l = paper.a5.landscape; + latex_papersize_and_orientation = outputLaTeXstyPaperSizeAndOrientation!()(sty_a5l, generated_by, name_version_and_compiler, time_output_generated); + latex_papersize_and_orientation.writeOutputLaTeXstyStatic(output_dir, sty_a5l.stylesheet ~ ".sty"); + auto sty_letter_p = paper.letter.portrait; + latex_papersize_and_orientation = outputLaTeXstyPaperSizeAndOrientation!()(sty_letter_p, generated_by, name_version_and_compiler, time_output_generated); + latex_papersize_and_orientation.writeOutputLaTeXstyStatic(output_dir, sty_letter_p.stylesheet ~ ".sty"); + auto sty_letter_l = paper.letter.landscape; + latex_papersize_and_orientation = outputLaTeXstyPaperSizeAndOrientation!()(sty_letter_l, generated_by, name_version_and_compiler, time_output_generated); + latex_papersize_and_orientation.writeOutputLaTeXstyStatic(output_dir, sty_letter_l.stylesheet ~ ".sty"); + auto sty_legal_p = paper.legal.portrait; + latex_papersize_and_orientation = outputLaTeXstyPaperSizeAndOrientation!()(sty_legal_p, generated_by, name_version_and_compiler, time_output_generated); + latex_papersize_and_orientation.writeOutputLaTeXstyStatic(output_dir, sty_legal_p.stylesheet ~ ".sty"); + auto sty_legal_l = paper.legal.landscape; + latex_papersize_and_orientation = outputLaTeXstyPaperSizeAndOrientation!()(sty_legal_l, generated_by, name_version_and_compiler, time_output_generated); + latex_papersize_and_orientation.writeOutputLaTeXstyStatic(output_dir, sty_legal_l.stylesheet ~ ".sty"); + } +} +template outputLaTeXstyStatic() { + import + std.format, + std.conv : to; + string outputLaTeXstyStatic( + bool generated_by, + string name_version_and_compiler, + string time_output_generated, + ) { + string latex_sty = format(q"┃%%%% spine LaTeX output%s%s +%% - called by the .sty containing the paper dimensions (size and orientation) to be used +%% - spineShared.sty used by all spine documents (called indirectly) +\ProvidesPackage{./sty/spineShared} +\usepackage{multicol} +\setlength{\marginparsep}{4mm} +\setlength{\marginparwidth}{8mm} +\usepackage[scaled]{dejavu} +\renewcommand*\familydefault{\sfdefault} +\usepackage{inconsolata} +\usepackage[T1]{fontenc} +\usepackage{newunicodechar} +%% \usepackage[utf8]{inputenc} +\usepackage{alltt} +\usepackage[ + unicode=true, + pdfusetitle, + pdfsubject={}, + pdfkeywords={}, %% keywords list {} {} {}, + pdftoolbar=true, + pdfmenubar=true, + pdfwindowui=true, + pdffitwindow=false, %% window fit to page when opened + pdfstartview={FitH}, %% fits the width of the page to the window + pdfnewwindow=true, %% links in new window + pdfborder={0 0 1}, + plainpages=false, %% was true + bookmarks=true, + bookmarksopen=false, + bookmarksnumbered=false, + backref=false, + breaklinks=false, + colorlinks=true, + urlcolor=black, + filecolor=black, + linkcolor=black, + citecolor=black, %% links_mono_or_color_set +]{hyperref} +\PassOptionsToPackage{hyphens}{url}\usepackage{hyperref} +\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} +\usepackage{textcomp} +\usepackage[parfill]{parskip} +\usepackage[normalem]{ulem} +\usepackage{soul} +\usepackage{longtable} +\usepackage{graphicx} +\usepackage[tc]{titlepic} +\usepackage{amssymb} +\usepackage{amsmath} +\usepackage[cm]{sfmath} +\usepackage{underscore} +\usepackage{listings} +\setcounter{secnumdepth}{2} +\setcounter{tocdepth}{4} +\usepackage{bookmark} +\usepackage{microtype} +\makeatletter +\usepackage[multiple,ragged]{footmisc} +\setlength\footnotemargin{12pt} +\usepackage[para]{manyfoot} +\DeclareNewFootnote{A} +\makeatother +\chardef\txtbullet="2022 +\chardef\tilde="7E +\def\asterisk{{\rm \char42} } +\definecolor{Light}{gray}{.92} +\definecolor{listinggray}{gray}{0.9} +\definecolor{lbcolor}{rgb}{0.9,0.9,0.9} +\lstset{ + backgroundcolor=\color{lbcolor}, + tabsize=4, + rulecolor=, + language=, + basicstyle={\ttfamily\scriptsize}, + upquote=true, + 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}, +} +\DeclareTOCStyleEntry[numwidth+=8pt]{part}{part} +\DeclareTOCStyleEntry[numwidth+=4pt]{section}{section} +\DeclareTOCStyleEntry[numwidth+=3pt]{section}{paragraph} +\DeclareTOCStyleEntry[numwidth+=3pt]{section}{subparagraph} +\DeclareTOCStyleEntry[numwidth+=3pt]{section}{subsection} +\DeclareTOCStyleEntries[indent+=4pt]{section}{section,subsection,subsubsection} +\DeclareTOCStyleEntries[numwidth+=3pt]{section}{paragraph,subparagraph} +\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[] + $\txtbullet$\hspace{\enspace} +} {\end{list}} +\newcommand{\monosp}[1]{\normaltext\ttfamily\texbackslash#1} +\newcommand{\br}{\hfill\break} +\newcommand{\brl}[1]{%% + \ifx&%% + \hfill\break + \else + \vspace{#1ex} + \fi +} +\newcommand{\brln}{\hspace*{\fill}\linebreak} +\newcommand{\objBlockOpen}{%% + \setlength{\parskip}{0.5ex plus0.2ex minus0.1ex}\raggedright + \begin{footnotesize} +} +\newcommand{\objBlockClose}{%% + \end{footnotesize} + \setlength{\parskip}{1ex plus0.5ex minus0.2ex} +} +\newcommand{\objGroupOpen}{%% + \setlength{\parskip}{0.5ex plus0.2ex minus0.1ex} + \begin{footnotesize} +} +\newcommand{\objGroupClose}{%% + \end{footnotesize} +} +\newcommand{\objPoemVerseOpen}{%% + \setlength{\parskip}{0.1ex plus0.1ex minus0.1ex} + \begin{footnotesize} + +} +\newcommand{\objPoemVerseClose}{%% + + \end{footnotesize} + \setlength{\parskip}{1ex plus0.5ex minus0.2ex} + \linebreak +} +\newcommand{\parasep}{%% + \smallskip \begin{center}*\hspace{2em}*\hspace{2em}*\end{center} \br +} +\newcommand{\spaces}[1]{{\hspace*{#1ex}}} +\newcommand{\s}{\hspace*{1ex}} +\newcommand{\hardspace}{\hspace*{1ex}} +\newcommand{\-}{\hspace*{1ex}} +\newcommand{\caret}{{\^{~}}} +\newcommand{\pipe}{{\textbar}} +\newcommand{\curlyOpen}{{} +\newcommand{\curlyClose}{}} +\newcommand{\lt}{{UseTextSymbol{OML}{<}}} +\newcommand{\gt}{{UseTextSymbol{OML}{>}}} +\newcommand{\slash}{{/}} +\newcommand{\underscore}{\_} +\newcommand{\exclaim}{\Verbatim{!}} +\newcommand{\linktext}[2]{%% + {\href{#1} + {\;\ulcorner\,\textup{{#2}}\,\lrcorner}} +} +\newcommand{\linkurl}[2]{%% + \;{\href{#1} + {\;\scriptsize\ttfamily\ulcorner\,\textup{{#2}}\,\lrcorner}} +} +\newcommand{\link}[2]{%% + {\begin{scriptsize}\color{black}\urlstyle{tt}\href{#1} + {\;\ulcorner\,{#2}\,\lrcorner}\end{scriptsize}} +} +\newcommand{\objCodeBlock}[1]{\normaltext\raggedright\small\ttfamily\texbackslash#1} +\newcommand{\objCodeOpen}{%% + \normaltext\raggedright\small\ttfamily\texbackslash + \begin{lstlisting} +} +\newcommand{\objCodeClose}{%% + \end{lstlisting} +} +\newcommand{\ocn}[1]{%% + \setlength{\parindent}{0em} + \ifx&%% #1 is empty + \hspace{-0.5ex}{\marginpar{\begin{tiny}\end{tiny}}} + \else%% #1 is nonempty + \hspace{-0.5ex}{\marginpar{\begin{tiny}\hspace{0em}\hypertarget{#1}{#1}\end{tiny}}} + \fi +} +\newcommand{\ocnhold}[1]{%% + \begin{tiny}\hspace{0mm}\end{tiny}{\marginpar{\begin{tiny}\hspace{0mm}\hypertarget{#1}{#1}\end{tiny}}} +} +\newcommand{\objCodeBlockHold}[1]{\normaltext\raggedright\small\ttfamily\texbackslash#1} +\newcommand{\objTableOpen}[1]{%% + \setlength{\LTleft}{0pt} + \setlength{\LTright}{\fill} + \begin{tiny} + \begin{longtable}{#1} +} +\newcommand{\objTableClose}{%% + \end{longtable} + \end{tiny} +} +%% \tolerance=300 +%% \clubpenalty=300 +%% \widowpenalty=300 +%% \usepackage{atbegshi} %% http://ctan.org/pkg/atbegshi %% (BUG tmp FIX deal with problem, remove first page which is blank) +%% \AtBeginDocument{\AtBeginShipoutNext{\AtBeginShipoutDiscard}} %% (BUG tmp FIX deal with problem, remove first page which is blank) +┃", + generated_by ? " " ~ name_version_and_compiler : "", + generated_by ? " (generated " ~ time_output_generated ~ ")" : "", +); + return latex_sty; + } +} +template outputLaTeXstyPaperSizeAndOrientation() { + import + std.format, + std.conv : to; + auto outputLaTeXstyPaperSizeAndOrientation(P)( + P doc_sty_info, + bool generated_by, + string name_version_and_compiler, + string time_output_generated, + ) { + string latex_sty = format(q"┃%%%% spine LaTeX output%s%s +%% - called by .tex document to set paper dimensions (size and orientation) +%% - calls spineShared.sty used/shared by all spine documents +\ProvidesPackage{./sty/%s} +\usepackage{geometry} +\geometry{ + %s, + %s, + left=%s, + right=%s, + top=%s, + bottom=%s, +} +\usepackage{./sty/spineShared}┃", + generated_by ? " " ~ name_version_and_compiler : "", + generated_by ? " (generated " ~ time_output_generated ~ ")" : "", + doc_sty_info.stylesheet, + doc_sty_info.papersize, + doc_sty_info.orient, + doc_sty_info.margin_left, + doc_sty_info.margin_right, + doc_sty_info.margin_top, + doc_sty_info.margin_bottom, +); + return latex_sty; + } +} diff --git a/src/sisudoc/io_out/metadata.d b/src/sisudoc/io_out/metadata.d new file mode 100644 index 0000000..0210212 --- /dev/null +++ b/src/sisudoc/io_out/metadata.d @@ -0,0 +1,609 @@ +/+ +- Name: SisuDoc Spine, Doc Reform [a part of] + - Description: documents, structuring, processing, publishing, search + - static content generator + + - Author: Ralph Amissah + [ralph.amissah@gmail.com] + + - Copyright: (C) 2015 - 2024 Ralph Amissah, All Rights Reserved. + + - License: AGPL 3 or later: + + Spine (SiSU), a framework for document structuring, publishing and + search + + Copyright (C) Ralph Amissah + + This program is free software: you can redistribute it and/or modify it + under the terms of the GNU AFERO General Public License as published by the + Free Software Foundation, either version 3 of the License, or (at your + option) any later version. + + This program is distributed in the hope that it will be useful, but WITHOUT + ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + more details. + + You should have received a copy of the GNU General Public License along with + this program. If not, see [https://www.gnu.org/licenses/]. + + If you have Internet connection, the latest version of the AGPL should be + available at these locations: + [https://www.fsf.org/licensing/licenses/agpl.html] + [https://www.gnu.org/licenses/agpl.html] + + - Spine (by Doc Reform, related to SiSU) uses standard: + - docReform markup syntax + - standard SiSU markup syntax with modified headers and minor modifications + - docReform object numbering + - standard SiSU object citation numbering & system + + - Homepages: + [https://www.sisudoc.org] + [https://www.doc-reform.org] + + - Git + [https://git.sisudoc.org/] + ++/ +module sisudoc.io_out.metadata; +@safe: +template outputMetadata() { + void outputMetadata(T)( T doc_matters) { + string inline_search_form(M)( + M doc_matters, + ) { + string o; + string _form; + if (doc_matters.opt.action.html_link_search) { + o = format(q"┃ +
+ +
+   %s  + %s + + + + + +
+ +
+
+ + + +
┃", + doc_matters.conf_make_meta.conf.w_srv_cgi_action, + (doc_matters.conf_make_meta.conf.w_srv_db_sqlite_filename.empty) + ? "" + : "\n 🔎 ", + (doc_matters.conf_make_meta.conf.w_srv_db_sqlite_filename.empty) + ? "" + : "\n ", + doc_matters.src.filename_base, + doc_matters.conf_make_meta.conf.w_srv_cgi_action, + (doc_matters.conf_make_meta.conf.w_srv_db_sqlite_filename.empty) + ? "" + : "\n ", + doc_matters.src.filename_base, + ); + } else { + o = ""; + } + return o; + } + import + std.file, + std.format; + import sisudoc.io_out; + mixin InternalMarkup; + string[] metadata_; +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.lnkicon:link { + text-decoration : none; + } + a.lnkicon:visited { + text-decoration : none; + } + a.lnkicon:hover { + font-size : 160%%; + } + a:hover img { + background-color : #FFFFFF; + } + input { + color : #FFFFFF; + background-color : #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.lnkicon:link { + text-decoration : none; + } + a.lnkicon:visited { + text-decoration : none; + } + a.lnkicon:hover { + font-size : 160%%; + } + a:hover img { + background-color : #FFFFFF; + } + input { + color : #000000; + background-color : #FFFFFF; + } +┃"); +string theme_dark_1 = format(q"┃ + h1 { + color : #FFFFFF; + background : #000000; + } + p.letter { + color : #FFFFFF; + background : #333333; + } +┃"); +string theme_light_1 = format(q"┃ + h1 { + color : #FFFFFF; + background : #1A3A7A; + } + p.letter { + color : #FFFFFF; + background : #1A3A7A; + } +┃"); + metadata_ ~= format(q"┃ + + + +⌘ Curated metadata - Topics + + + + + + + + + +┃", + doc_matters.opt.action.css_theme_default ? theme_light_0 : theme_dark_0, + doc_matters.opt.action.css_theme_default ? theme_light_1 : theme_dark_1, +) ~ "\n"; + void metadata_write_output(M)(M doc_matters, string[] metadata_) { + auto pth_html = spinePathsHTML!()(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("metadata." ~ doc_matters.src.filename), "w"); + foreach (o; metadata_) { + f.writeln(o); + } + } + if (!exists(pth_html.base ~ "/index.html")) { + import sisudoc.io_out.html_snippet; + mixin htmlSnippet; + auto f = File(pth_html.base ~"/index.html", "w"); + f.writeln(format_html_blank_page_guide_home( + "../../css/html_scroll.css", + (doc_matters.opt.action.webserver_url_doc_root.length > 0) + ? doc_matters.opt.action.webserver_url_doc_root + : doc_matters.conf_make_meta.conf.w_srv_data_root_url, + "../../index.html", + )); + } + } catch (ErrnoException ex) { + // Handle error + } + if (doc_matters.opt.action.vox_gt0) { + writeln(" ", pth_html.fn_scroll("metadata." ~ doc_matters.src.filename)); + } + } + static auto mkup = InlineMarkup(); + import sisudoc.io_out.html_snippet; + mixin htmlSnippet; + if (doc_matters.opt.action.debug_do) { + writeln(doc_matters.src.filename_base); + writeln("Title: ", doc_matters.conf_make_meta.meta.title_full); + writeln(" Author: ", doc_matters.conf_make_meta.meta.creator_author); + writeln(" Published: ", doc_matters.conf_make_meta.meta.date_published); + writeln(" Copyright: ", doc_matters.conf_make_meta.meta.rights_copyright); + writeln(" License: ", special_characters_text(doc_matters.conf_make_meta.meta.rights_license)); + if (doc_matters.conf_make_meta.meta.classify_topic_register_arr.length > 0) { + foreach (topic; doc_matters.conf_make_meta.meta.classify_topic_register_arr.sort!("toUpper(a) < toUpper(b)", SwapStrategy.unstable)) { + string[] subject_tree = topic.split(mkup.sep); + if (subject_tree.length > 0) { writeln(" ", subject_tree[0]); } + if (subject_tree.length > 1) { writeln(" ", subject_tree[1]); } + if (subject_tree.length > 2) { writeln(" ", subject_tree[2]); } + if (subject_tree.length > 3) { writeln(" ", subject_tree[3]); } + if (subject_tree.length > 4) { writeln(" ", subject_tree[4]); } + } + } + } + auto pth_html = spinePathsHTML!()(doc_matters.output_path, doc_matters.src.language); + auto pth_epub = spinePathsEPUB!()(doc_matters.output_path, doc_matters.src.language); + auto pth_pdf = spinePathsPDF!()(doc_matters); + auto pth_pod = spinePathsPods!()(doc_matters); + metadata_ ~= format(q"┃ + + + + ┃"); + metadata_ ~= "
"; + if (doc_matters.opt.action.html_link_curate) { + metadata_ ~= format(q"┃

[ ⟰ HOME  |  ≅ Collection ]  [ +  🖋 Authors  | +  ⌘ Topics ]

+ ┃", + (doc_matters.opt.action.webserver_url_doc_root.length > 0) + ? doc_matters.opt.action.webserver_url_doc_root + : doc_matters.conf_make_meta.conf.w_srv_data_root_url + , // HOME index.html equivalent _cfg.www_url_doc_root, + ); + } else { + metadata_ ~= format(q"┃

[ ≅ HOME   ≅ Collection ] + ┃"); + } + metadata_ ~= "

" ~ inline_search_form(doc_matters) ~ "
"; + if (!(doc_matters.conf_make_meta.meta.title_full.empty)) { + metadata_ ~= "

Title: " ~ doc_matters.conf_make_meta.meta.title_full ~ "

"; + } else if (doc_matters.opt.action.debug_do || doc_matters.opt.action.vox_gt2) { + writeln("ERROR no Title information provided in document header ", doc_matters.src.filename_base); + } + if (!(doc_matters.conf_make_meta.meta.creator_author.empty)) { + if (doc_matters.opt.action.html_link_curate) { + metadata_ ~= "

Author: " + ~ doc_matters.conf_make_meta.meta.creator_author ~ "

"; + } else { + metadata_ ~= "

Author: " + ~ doc_matters.conf_make_meta.meta.creator_author ~ "

"; + } + } else if (doc_matters.opt.action.debug_do || doc_matters.opt.action.vox_gt2) { + writeln("ERROR no Author information provided in document header ", doc_matters.src.filename_base); + } + metadata_ ~= "

Published: " ~ doc_matters.conf_make_meta.meta.date_published ~ "

"; + if (!(doc_matters.conf_make_meta.meta.rights_copyright.empty)) { + metadata_ ~= "

Copyright: " ~ special_characters_text(doc_matters.conf_make_meta.meta.rights_copyright) ~ "

"; + } else if (doc_matters.opt.action.debug_do || doc_matters.opt.action.vox_gt2) { + writeln("WARNING no Copyright information provided in document header ", doc_matters.src.filename_base); + } + if (!(doc_matters.conf_make_meta.meta.rights_license.empty)) { + metadata_ ~= "

License: " ~ special_characters_text(doc_matters.conf_make_meta.meta.rights_license) ~ "

"; + } else if (doc_matters.opt.action.debug_do || doc_matters.opt.action.vox_gt2) { + writeln("WARNING no License information provided in document header ", doc_matters.src.filename_base); + } + if (!(doc_matters.conf_make_meta.meta.notes_summary.empty)) { + metadata_ ~= "

Summary:

" ~ special_characters_text(doc_matters.conf_make_meta.meta.notes_summary) ~ "

"; + } else if (doc_matters.opt.action.debug_do) { + writeln("WARNING no summary of text provided in document header ", doc_matters.src.filename_base); + } + metadata_ ~= "

source: " ~ doc_matters.src.filename_base ~ "

"; + if (doc_matters.opt.action.html_link_markup_source) { + metadata_ ~= "

●  markup source:  the pod [" + ~ " 🫛 zipped | " + ~ "" + ~ " 🫛 tree ] "; + } + metadata_ ~= "

●  outputs:  [ html: " + ~ " ▤ scroll  " + ~ "|" + ~ " ※ seg ]   " + ~ "[" + ~ " ◆ epub ]   "; + if ((doc_matters.opt.action.html_link_pdf) || (doc_matters.opt.action.html_link_pdf_a4)) { + metadata_ ~= "[ pdf: " + ~ " □ a4  " + ~ "|" + ~ " □ U.S. letter ] "; + } else if (doc_matters.opt.action.html_link_pdf_a4) { + metadata_ ~= "[" + ~ " □ pdf (a4) ] "; + } else if (doc_matters.opt.action.html_link_pdf_letter) { + metadata_ ~= "[" + ~ " □ pdf (U.S. letter) ] "; + } + metadata_ ~= "

"; + if (doc_matters.conf_make_meta.meta.classify_topic_register_arr.length > 0) { + metadata_ ~= "

Topics:

"; + string[] _top = ["", "", "", "", ""]; + foreach (topic; doc_matters.conf_make_meta.meta.classify_topic_register_arr.sort!("toUpper(a) < toUpper(b)", SwapStrategy.unstable)) { + string[] subject_tree = topic.split(mkup.sep); + if (subject_tree.length > 0) { + if (subject_tree[0] != _top[0]) { + _top[0] = subject_tree[0]; + if (doc_matters.opt.action.html_link_curate) { + metadata_ ~= + "

" + ~ subject_tree[0] + ~ "

"; + } else { + metadata_ ~= + "

" ~ subject_tree[0] ~ "

"; + } + } + if (subject_tree.length > 1) { + if (subject_tree[1] != _top[1]) { + _top[1] = subject_tree[1]; + _top[2] = ""; _top[3] = ""; _top[4] = ""; + if (doc_matters.opt.action.html_link_curate) { + metadata_ ~= + "

" + ~ subject_tree[1] + ~ "

"; + } else { + metadata_ ~= + "

" ~ subject_tree[1] ~ "

"; + } + } + if (subject_tree.length > 2) { + if (subject_tree[2] != _top[2]) { + _top[2] = subject_tree[2]; + _top[3] = ""; _top[4] = ""; + if (doc_matters.opt.action.html_link_curate) { + metadata_ ~= + "

" + ~ subject_tree[2] + ~ "

"; + } else { + metadata_ ~= + "

" ~ subject_tree[2] ~ "

"; + } + } + if (subject_tree.length > 3) { + if (subject_tree[3] != _top[3]) { + _top[3] = subject_tree[3]; + _top[4] = ""; + if (doc_matters.opt.action.html_link_curate) { + metadata_ ~= + "

" + ~ subject_tree[3] + ~ "

"; + } else { + metadata_ ~= + "

" ~ subject_tree[3] ~ "

"; + } + } + if (subject_tree.length > 4) { + if (subject_tree[4] != _top[4]) { + _top[4] = subject_tree[4]; + if (doc_matters.opt.action.html_link_curate) { + metadata_ ~= + "

" + ~ subject_tree[4] + ~ "

"; + } else { + metadata_ ~= + "

" ~ subject_tree[4] ~ "

"; + } + } + } + } + } + } + } + } + } else if (doc_matters.opt.action.debug_do) { + writeln("WARNING no topic_register classification of text provided in document header ", doc_matters.src.filename_base); + } + metadata_write_output(doc_matters, metadata_); + } +} diff --git a/src/sisudoc/io_out/odt.d b/src/sisudoc/io_out/odt.d new file mode 100644 index 0000000..d6ac27d --- /dev/null +++ b/src/sisudoc/io_out/odt.d @@ -0,0 +1,2162 @@ +/+ +- Name: SisuDoc Spine, Doc Reform [a part of] + - Description: documents, structuring, processing, publishing, search + - static content generator + + - Author: Ralph Amissah + [ralph.amissah@gmail.com] + + - Copyright: (C) 2015 - 2024 Ralph Amissah, All Rights Reserved. + + - License: AGPL 3 or later: + + Spine (SiSU), a framework for document structuring, publishing and + search + + Copyright (C) Ralph Amissah + + This program is free software: you can redistribute it and/or modify it + under the terms of the GNU AFERO General Public License as published by the + Free Software Foundation, either version 3 of the License, or (at your + option) any later version. + + This program is distributed in the hope that it will be useful, but WITHOUT + ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + more details. + + You should have received a copy of the GNU General Public License along with + this program. If not, see [https://www.gnu.org/licenses/]. + + If you have Internet connection, the latest version of the AGPL should be + available at these locations: + [https://www.fsf.org/licensing/licenses/agpl.html] + [https://www.gnu.org/licenses/agpl.html] + + - Spine (by Doc Reform, related to SiSU) uses standard: + - docReform markup syntax + - standard SiSU markup syntax with modified headers and minor modifications + - docReform object numbering + - standard SiSU object citation numbering & system + + - Homepages: + [https://www.sisudoc.org] + [https://www.doc-reform.org] + + - Git + [https://git.sisudoc.org/] + ++/ +module sisudoc.io_out.odt; +@safe: +template formatODT() { + import + sisudoc.io_out, + sisudoc.io_out.rgx, + sisudoc.io_out.rgx_xhtml; + import + std.digest.sha, + std.file, + std.outbuffer, + std.uri, + std.zip, + std.conv : to; + import + sisudoc.io_out.create_zip_file, + sisudoc.io_out.xmls, + sisudoc.io_out.xmls_css; + mixin spineRgxOut; + mixin spineRgxXHTML; + struct formatODT { + static auto rgx = RgxO(); + static auto rgx_xhtml = RgxXHTML(); + 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"┃ + + + + ┃", + _special_characters(tag_, obj), + _special_characters(tag_, obj), + ); + } + } + } + return _tags; + } + 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 ~= ""; + } + } + } + return tags; + } + string obj_num(O)(const O obj) { // TODO + string _on; + _on = (obj.metainfo.object_number.empty) + ? "" + : (format(q"┃ + 「%s」┃", + obj.metainfo.object_number, + )); + return _on; + } + string _footnotes()(string _txt) { + static auto rgx = RgxO(); + static auto rgx_xhtml = RgxXHTML(); + _txt = _txt.replaceAll( + rgx.inline_notes_al_regular_number_note, + format(q"┃ + + %s + + + + %s + + + ┃", + "$1", "$1", "$2", + ) + ); + return _txt; + } + string _bullet(O)(const O obj) { + string _b = ""; + if (obj.attrib.bullet) { + _b = format(q"┃● ┃",); + } + return _b; + } + 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 + %s%s%s + ┃", + (obj.attrib.indent_base < 4) + ? "\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"┃ + %s + + + + + %s%s%s + ┃", + _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"┃ + %s + + + + + %s%s%s + ┃", + obj.attrib.indent_base, + _bullet(obj), + obj.metainfo.object_number, + obj.metainfo.object_number, + _tags(obj), + _txt, + obj_num(obj), + ); + } else { + _txt = format(q"┃ + %s + + + + + %s%s%s + ┃", + 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"┃ + %s + %s%s%s + ┃", + _bullet(obj), + _tags(obj), + _txt, + obj_num(obj), + ); + } else if (obj.attrib.indent_base == obj.attrib.indent_hang) { + _txt = format(q"┃ + %s + %s%s%s + ┃", + obj.attrib.indent_base, + _bullet(obj), + _tags(obj), + _txt, + obj_num(obj), + ); + } else { + _txt = format(q"┃ + %s + %s%s%s + ┃", + _bullet(obj), + obj.attrib.indent_base, + obj.attrib.indent_hang, + _tags(obj), + _txt, + obj_num(obj), + ); + } + } + return _txt; + } + 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"┃ + %s + + + + + %s + ┃", + _bullet(obj), + obj.metainfo.object_number, + obj.metainfo.object_number, + // _tags(obj), + _line, + ); + } else { + _block ~= format(q"┃ + %s┃", + _line); + } + } + _block ~= format(q"┃ + + 「%s」 + + ┃", + obj_num(obj)); + return _block; + } + string _special_characters(O)(string _txt, const O obj) { + _txt = _txt + .replaceAll(rgx_xhtml.ampersand, "&") + .replaceAll(rgx_xhtml.quotation, """) + .replaceAll(rgx_xhtml.less_than, "<") + .replaceAll(rgx_xhtml.greater_than, ">") + .replaceAll(rgx.nbsp_char, " "); + return _txt; + } + 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, " "); + } + return _txt; + } + string _font_face(string _txt){ + _txt = _txt + .replaceAll(rgx.inline_strike, "$1") + .replaceAll(rgx.inline_insert, "$1") + .replaceAll(rgx.inline_cite, "$1") + .replaceAll(rgx.inline_emphasis, format(q"┃%s┃", "$1")) + .replaceAll(rgx.inline_bold, format(q"┃%s┃", "$1")) + .replaceAll(rgx.inline_italics, format(q"┃%s┃", "$1")) + .replaceAll(rgx.inline_underscore, format(q"┃%s┃", "$1")) + .replaceAll(rgx.inline_superscript, format(q"┃%s┃","$1")) + .replaceAll(rgx.inline_subscript, format(q"┃%s┃", "$1")) + .replaceAll(rgx.inline_mono, format(q"┃%s┃", "$1")); + return _txt; + } + auto _obj_num(O)(O obj) { // NOT USED YET + struct objNum { + string reference() { + return format(q"┃ + + + ┃", + obj.object_number, + obj.object_number, + ); + } + string display() { + return format(q"┃ + %s%s%s + ┃", + on_o, + obj.object_number, + on_c, + ); + } + } + return objNum(); + } + string _break_page()() { + return format(q"┃ + + ┃", + ); + } + 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, "
"); + } + return _txt; + } + 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"┃%s┃", + _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"┃%s┃", + _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; + } + string _images(O)(string _txt, const O obj) { + if (_txt.match(rgx.inline_image)) { + _txt = _txt + .replaceAll(rgx.inline_image, + ("$1 $6")) + .replaceAll( + rgx.inline_link_empty, + ("$1")); + } + return _txt; + } + 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; + } + 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 + %s%s%s + ┃", + _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 + + + + + %s%s%s + ┃", + _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; + } + 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" || "endnote" || "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; + } + 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; + } + 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_linebreaks_newlines); + _o_txt_odt = _block_type_delimiters(_block_lines, obj); + return _o_txt_odt; + } + 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_linebreaks_newlines); + _o_txt_odt = _block_type_delimiters(_block_lines, obj); + return _o_txt_odt; + } + 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_linebreaks_newlines); + _o_txt_odt = _block_type_delimiters(_block_lines, obj); + return _o_txt_odt; + } + 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 + - "^[ ]"   + - count number only at beginning of line and replace each + +/ + string[] _block_lines = (_o_txt_odt).split(rgx.br_linebreaks_newlines); + string _block = ""; + foreach (i, _line; _block_lines) { + if (i == 1) { + _block ~= format(q"┃ + + + + + + %s + ┃", + obj.metainfo.object_number, + obj.metainfo.object_number, + _line, + ); + } else { + _block ~= format(q"┃ + %s┃", + _line); + } + } + _block ~= format(q"┃ + + 「%s」 + + ┃", + obj_num(obj)); + _o_txt_odt = _block; + return _o_txt_odt; + } + Tuple!(string, string) 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 ~= ""; + 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"┃ + + %s + + ┃", + (row_idx == 0 && obj.table.heading) ? "Table_Heading" : "P_table_cell", + cell, + ); + } + } + _table ~= ""; + } + Tuple!(string, string) t = tuple( + _table, + _tablenote, + ); + return t; + } + 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); + Tuple!(string, string) t = tablarize(obj, _o_txt_odt); + string _note = t[1]; + _o_txt_odt = format(q"┃ + + + + + + + %s + + + 「%s」 + ┃", + _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; + } + } +} +template outputODT() { + import + sisudoc.io_out, + sisudoc.io_out.rgx, + sisudoc.io_out.rgx_xhtml; + import + std.digest.sha, + std.file, + std.outbuffer, + std.uri, + std.zip, + std.conv : to; + import + sisudoc.io_out.create_zip_file, + sisudoc.io_out.xmls, + sisudoc.io_out.xmls_css; + mixin InternalMarkup; + mixin spineRgxOut; + mixin spineRgxXHTML; + static auto rgx = RgxO(); + static auto rgx_xhtml = RgxXHTML(); + // mixin outputXmlODT; + string odt_head(I)(I doc_matters) { + string _has_tables = format(q"┃ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + ┃",); + string _odt_head = format(q"┃ + + + + + + + + + + + + + + %s + + + + + + + + + + + + + + ┃", + (doc_matters.has.tables > 0) ? _has_tables : "", + ); + return _odt_head; + } + 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 = ""; + foreach (part; doc_matters.has.keys_seq.scroll) { + foreach (obj; doc_abstraction[part]) { + switch (obj.metainfo.is_of_part) { + 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; + 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; + 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.vox_gt1) { + writeln(__FILE__, ":", __LINE__, ": ", obj.metainfo.is_of_part); + writeln(__FILE__, ":", __LINE__, ": ", obj.metainfo.is_a); + writeln(__FILE__, ":", __LINE__, ": ", obj.text); + } + } + break; + } + } + } + return doc_odt; + } + + string odt_tail() { + string _odt_tail = format(q"┃spine: <www.sisudoc.org> and <www.sisudoc.org> + ┃",); + return _odt_tail; + } + 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"┃┃",); + string br_pg = format(q"┃┃",); + _content_xml ~= odt_head(doc_matters); + _content_xml ~= odt_body(doc_abstraction, doc_matters); + _content_xml ~= odt_tail; + return _content_xml; + } + string manifest_xml(M)( + auto ref M doc_matters, + ) { + string _bullet = format(q"┃┃"); + string[] _images = [ _bullet ]; + foreach (image; doc_matters.srcs.image_list) { + _images ~= format(q"┃ ┃", image); + } + string _manifest_xml = format(q"┃ + + + + + %s + + + + + + ┃", + _images.join("\n"), + ); + return _manifest_xml; + } + void images_cp(M)( + auto ref M doc_matters, + ) { + { /+ (copy odt images) +/ + import sisudoc.io_out.paths_output; + auto pth_odt = spinePathsODT!()(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; + } + string meta_xml(M)( + auto ref M doc_matters, + ) { + /+ (meta_xml includes output time-stamp) +/ + string _meta_xml = format(q"┃ + + + %s + %s + %s + en-US + + + ┃", + doc_matters.generator_program.name_and_version, + doc_matters.generated_time, + doc_matters.generated_time, + ); + return _meta_xml; + } + void dirtree(I)( + I doc_matters, + ) { + import sisudoc.io_out.paths_output; + auto pth_odt = spinePathsODT!()(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; + } + if (!exists(pth_odt.base_pth ~ "/index.html")) { + import sisudoc.io_out.html_snippet; + mixin htmlSnippet; + auto f = File(pth_odt.base_pth ~"/index.html", "w"); + f.writeln(format_html_blank_page_guide_home( + "../../css/html_scroll.css", + "https://sisudoc.org", + "../../index.html", + )); + } + // return 0; + } + string mimetype() { + string mimetype_ = format(q"┃application/vnd.oasis.opendocument.text┃"); + return mimetype_; + } + string manifest_rdf() { + string _manifest_rdf = format(q"┃ + + + + + + + + + + + + + + + + + + ┃"); + return _manifest_rdf; + } + string settings_xml() { + string _settings_xml = format(q"┃ + + + + 0 + 0 + 0 + 0 + true + false + + + view2 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 2 + true + 100 + false + + + + + true + false + false + true + true + false + true + false + false + + false + false + false + true + true + 0 + false + false + false + false + true + false + false + false + false + true + true + false + false + true + false + true + false + high-resolution + 1 + 0 + true + + + false + true + + false + true + false + true + false + true + false + + true + true + false + true + true + true + false + false + + false + 0 + false + false + true + true + + + + ┃"); + return _settings_xml; + } + string styles_xml() { + string _styles_xml = format(q"┃ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + ┃"); + return _styles_xml; + } + @trusted void writeOutputODT(W,I)( + const W odt_content, + I doc_matters, + ) { + auto pth_odt = spinePathsODT!()(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)); // trusted? + zip_arc_member_file.expandedData = zip_data.toBytes(); + zip.addMember(zip_arc_member_file); + createZipFile!()(fn_odt, zip.build()); + } + } + } + } + if (doc_matters.opt.action.vox_gt0) { + writeln(" ", pth_odt.odt_file); + } + } + if (!exists(pth_odt.base_pth ~ "/index.html")) { + import sisudoc.io_out.html_snippet; + mixin htmlSnippet; + auto f = File(pth_odt.base_pth ~"/index.html", "w"); + f.writeln(format_html_blank_page_guide_home( + "../../css/html_scroll.css", + (doc_matters.opt.action.webserver_url_doc_root.length > 0) + ? doc_matters.opt.action.webserver_url_doc_root + : doc_matters.conf_make_meta.conf.w_srv_data_root_url, + "../../index.html", + )); + } + } 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"); + } + } + 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 = spinePathsODT!()(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 + } +} diff --git a/src/sisudoc/io_out/package.d b/src/sisudoc/io_out/package.d new file mode 100644 index 0000000..5c73cb9 --- /dev/null +++ b/src/sisudoc/io_out/package.d @@ -0,0 +1,69 @@ +/+ +- Name: SisuDoc Spine, Doc Reform [a part of] + - Description: documents, structuring, processing, publishing, search + - static content generator + + - Author: Ralph Amissah + [ralph.amissah@gmail.com] + + - Copyright: (C) 2015 - 2024 Ralph Amissah, All Rights Reserved. + + - License: AGPL 3 or later: + + Spine (SiSU), a framework for document structuring, publishing and + search + + Copyright (C) Ralph Amissah + + This program is free software: you can redistribute it and/or modify it + under the terms of the GNU AFERO General Public License as published by the + Free Software Foundation, either version 3 of the License, or (at your + option) any later version. + + This program is distributed in the hope that it will be useful, but WITHOUT + ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + more details. + + You should have received a copy of the GNU General Public License along with + this program. If not, see [https://www.gnu.org/licenses/]. + + If you have Internet connection, the latest version of the AGPL should be + available at these locations: + [https://www.fsf.org/licensing/licenses/agpl.html] + [https://www.gnu.org/licenses/agpl.html] + + - Spine (by Doc Reform, related to SiSU) uses standard: + - docReform markup syntax + - standard SiSU markup syntax with modified headers and minor modifications + - docReform object numbering + - standard SiSU object citation numbering & system + + - Homepages: + [https://www.sisudoc.org] + [https://www.doc-reform.org] + + - Git + [https://git.sisudoc.org/] + ++/ +module sisudoc.io_out; +public import + std.algorithm, + std.array, + std.container, + std.exception, + std.path, + std.process, + std.range, + std.regex, + std.stdio, + std.string, + std.typecons, + // std.uni, + std.utf; +public import + sisudoc.share.defaults, + sisudoc.io_in.paths_source, + sisudoc.io_out.defaults, + sisudoc.io_out.paths_output; diff --git a/src/sisudoc/io_out/paths_output.d b/src/sisudoc/io_out/paths_output.d new file mode 100644 index 0000000..f134f41 --- /dev/null +++ b/src/sisudoc/io_out/paths_output.d @@ -0,0 +1,672 @@ +/+ +- Name: SisuDoc Spine, Doc Reform [a part of] + - Description: documents, structuring, processing, publishing, search + - static content generator + + - Author: Ralph Amissah + [ralph.amissah@gmail.com] + + - Copyright: (C) 2015 - 2024 Ralph Amissah, All Rights Reserved. + + - License: AGPL 3 or later: + + Spine (SiSU), a framework for document structuring, publishing and + search + + Copyright (C) Ralph Amissah + + This program is free software: you can redistribute it and/or modify it + under the terms of the GNU AFERO General Public License as published by the + Free Software Foundation, either version 3 of the License, or (at your + option) any later version. + + This program is distributed in the hope that it will be useful, but WITHOUT + ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + more details. + + You should have received a copy of the GNU General Public License along with + this program. If not, see [https://www.gnu.org/licenses/]. + + If you have Internet connection, the latest version of the AGPL should be + available at these locations: + [https://www.fsf.org/licensing/licenses/agpl.html] + [https://www.gnu.org/licenses/agpl.html] + + - Spine (by Doc Reform, related to SiSU) uses standard: + - docReform markup syntax + - standard SiSU markup syntax with modified headers and minor modifications + - docReform object numbering + - standard SiSU object citation numbering & system + + - Homepages: + [https://www.sisudoc.org] + [https://www.doc-reform.org] + + - Git + [https://git.sisudoc.org/] + ++/ +/++ + default settings ++/ +module sisudoc.io_out.paths_output; +@safe: +import + std.array, + std.path, + std.regex, + std.stdio; +import + sisudoc.meta.rgx_files; +template spineOutPaths() { + auto spineOutPaths()( + string output_pth_root, + string lng = "", + ) { + struct _PathsStruct { + string output_root() { + return (output_pth_root.length > 0) + ? output_pth_root : ""; + } + string output_base() { + return ((output_root.chainPath(lng)).asNormalizedPath).array; + } + string internal_base() { + return lng.asNormalizedPath.array; + } + } + return _PathsStruct(); + } +} +template spineOutPathSQLite() { + auto spineOutPathSQLite(Po)( + Po output_pth_root, + ) { + struct _PathsStruct { + string output_root() { + return (output_pth_root.length > 0) + ? output_pth_root : ""; + } + string output_base() { + return ((output_root).asNormalizedPath).array; + } + } + return _PathsStruct(); + } +} +template spineOutPathSQLiteCGI() { + auto spineOutPathSQLiteCGI(Po)( + Po output_pth_root, + ) { + struct _PathsStruct { + string output_root() { + return (output_pth_root.length > 0) + ? output_pth_root : ""; + } + string output_base() { + return ((output_root).asNormalizedPath).array; + } + } + return _PathsStruct(); + } +} +template spineOutPathsFnPd() { + /+ TODO stuff to work out here +/ + auto spineOutPathsFnPd(Fn,Pn)( + Fn fn_src_pth, + Pn pod_name_with_path + ) { + struct _PathsStruct { + string base_filename() { + return fn_src_pth.baseName.stripExtension; + } + string base_pod_and_filename() { // TODO + /+ + - if pod, + - pod_name + - file_name + - if pod_name == file_name + - file_name + - else if pod_name != file_name + - pod_name.file_name + +/ + string _fn_src = fn_src_pth.baseName.stripExtension; + string _output_base_name; + if (!(pod_name_with_path.empty)) { + if (pod_name_with_path == _fn_src) { + _output_base_name = _fn_src; + } else { + _output_base_name = pod_name_with_path ~ "." ~ _fn_src; + } + } else { + _output_base_name = _fn_src; + } + return _output_base_name; + } + } + return _PathsStruct(); + } +} + +template spineDocRootTreeHTML() { + auto spineDocRootTreeHTML()(string lng) { + auto lng_pth = spineOutPaths!()("", lng); + string base_dir = "html"; + string suffix = ".html"; + struct _PathsStruct { + string base_filename(string fn_src) { + return fn_src.baseName.stripExtension; + } + string base_filename_scroll(string fn_src) { + return base_filename(fn_src); + } + string base_filename_seg(string fn_src) { + return base_filename(fn_src); + } + string doc_root() { + return ((lng_pth.output_root).asNormalizedPath).array; + } + string base() { + return (((lng).chainPath(base_dir)).asNormalizedPath).array; + } + string image() { + return (("image").asNormalizedPath).array; + } + string css() { + return (("css").asNormalizedPath).array; + } + string fn_seg_css() { + return ((css.chainPath("html_seg.css")).asNormalizedPath).array; + } + string fn_scroll_css() { + return ((css.chainPath("html_scroll.css")).asNormalizedPath).array; + } + string seg(string fn_src) { + return ((base.chainPath(base_filename_seg(fn_src))).asNormalizedPath).array; + } + string fn_metadata(string fn_src) { + return ((base.chainPath("metadata." ~ base_filename_scroll(fn_src) ~ suffix)).asNormalizedPath).array; + } + string fn_scroll(string fn_src) { + return ((base.chainPath(base_filename_scroll(fn_src) ~ suffix)).asNormalizedPath).array; + } + string fn_seg(string fn_src, string seg_filename) { + return ((seg(fn_src).chainPath(seg_filename ~ suffix)).asNormalizedPath).array; + } + string tail_seg(string fn_src) { + return lng ~ "/html/" ~ base_filename_seg(fn_src); + } + string tail_fn_scroll(string fn_src) { + return lng ~ "/html/" ~ base_filename_scroll(fn_src) ~ suffix; + } + string tail_fn_seg(string fn_src, string seg_filename) { + return lng ~ "/html/" ~ seg(fn_src) ~ "/" ~ seg_filename ~ suffix; + } + } + return _PathsStruct(); + } +} +template spinePathsHTML() { + auto spinePathsHTML()( + string output_path_root, + string lng, + ) { + auto doc_tree = spineDocRootTreeHTML!()(lng); + string base_dir = "html"; + string suffix = ".html"; + struct _PathsStruct { + string doc_root() { + return ((output_path_root.chainPath(doc_tree.doc_root)).asNormalizedPath).array; + } + string curate(string fn_curate) { + return doc_root ~ "/" ~ fn_curate; + } + string internal_base() { + return ((doc_tree.base).asNormalizedPath).array; + } + string base() { + return ((output_path_root.chainPath(doc_tree.base)).asNormalizedPath).array; + } + string image() { + return ((output_path_root.chainPath(doc_tree.image)).asNormalizedPath).array; + } + string css() { + return ((output_path_root.chainPath(doc_tree.css)).asNormalizedPath).array; + } + string fn_seg_css() { + return ((output_path_root.chainPath(doc_tree.fn_seg_css)).asNormalizedPath).array; + } + string fn_scroll_css() { + return ((output_path_root.chainPath(doc_tree.fn_scroll_css)).asNormalizedPath).array; + } + string seg(string fn_src) { + return ((output_path_root.chainPath(doc_tree.seg(fn_src))).asNormalizedPath).array; + } + string fn_metadata(string fn_src) { + return ((output_path_root.chainPath(doc_tree.fn_metadata(fn_src))).asNormalizedPath).array; + } + string fn_scroll(string fn_src) { + return ((output_path_root.chainPath(doc_tree.fn_scroll(fn_src))).asNormalizedPath).array; + } + string fn_seg(string fn_src, string seg_filename) { + return ((output_path_root.chainPath(doc_tree.fn_seg(fn_src, seg_filename))).asNormalizedPath).array; + } + string tail_seg(string fn_src) { + return doc_tree.tail_seg(fn_src); + } + string tail_fn_scroll(string fn_src) { + return doc_tree.tail_fn_scroll(fn_src); + } + string tail_fn_seg(string fn_src, string seg_filename) { + return doc_tree.tail_fn_seg(fn_src, seg_filename); + } + } + return _PathsStruct(); + } +} +template spineUrlsHTML() { + import std.format; + auto spineUrlsHTML()( + string url_doc_root, + string lng, + ) { + auto doc_tree = spineDocRootTreeHTML!()(lng); + string base_dir = "html"; + string suffix = ".html"; + struct _PathsStruct { + string doc_root() { + return url_doc_root ~ ((doc_tree.doc_root).asNormalizedPath).array; + } + string curate(string fn_curate) { + return format(q"┃%s/%s┃", + doc_root, + fn_curate, + ); + } + string base() { + return format(q"┃%s/%s┃", + url_doc_root, + ((doc_tree.base).asNormalizedPath).array, + ); + } + string image() { + return format(q"┃%s/%s┃", + url_doc_root, + ((doc_tree.image).asNormalizedPath).array, + ); + } + string css() { + return format(q"┃%s/%s┃", + url_doc_root, + ((doc_tree.css).asNormalizedPath).array, + ); + } + string fn_seg_css() { + return format(q"┃%s/%s┃", + url_doc_root, + ((doc_tree.fn_seg_css).asNormalizedPath).array, + ); + } + string fn_scroll_css() { + return format(q"┃%s/%s┃", + url_doc_root, + ((doc_tree.fn_scroll_css).asNormalizedPath).array, + ); + } + string seg(string fn_src) { + return format(q"┃%s/%s┃", + url_doc_root, + ((doc_tree.seg(fn_src)).asNormalizedPath).array, + ); + } + string fn_metadata(string fn_src) { + return format(q"┃%s/%s┃", + url_doc_root, + ((doc_tree.fn_metadata(fn_src)).asNormalizedPath).array, + ); + } + string fn_scroll(string fn_src) { + return format(q"┃%s/%s┃", + url_doc_root, + ((doc_tree.fn_scroll(fn_src)).asNormalizedPath).array, + ); + } + string fn_seg(string fn_src, string seg_filename) { + return format(q"┃%s/%s┃", + url_doc_root, + ((doc_tree.fn_seg(fn_src, seg_filename)).asNormalizedPath).array, + ); + } + string fn_scroll_obj_num(string fn_src, string obj_num) { + return format(q"┃%s/%s#%s┃", + url_doc_root, + ((doc_tree.fn_scroll(fn_src)).asNormalizedPath).array, + obj_num, + ); + } + string fn_seg_obj_num(string fn_src, string seg_filename, string obj_num) { + return format(q"┃%s/%s#%s┃", + url_doc_root, + ((doc_tree.fn_seg(fn_src, seg_filename)).asNormalizedPath).array, + obj_num, + ); + } + string tail_seg(string fn_src) { + return doc_tree.tail_seg(fn_src); + } + string tail_fn_scroll(string fn_src) { + return doc_tree.tail_fn_scroll(fn_src); + } + string tail_fn_seg(string fn_src, string seg_filename) { + return doc_tree.tail_fn_seg(fn_src, seg_filename); + } + } + return _PathsStruct(); + } +} +template spinePathsEPUB() { + auto spinePathsEPUB()( + string output_pth_root, + string lng, + ) { + auto out_pth = spineOutPaths!()(output_pth_root, lng); + string base_dir = "epub"; + struct _PathsStruct { + string internal_base() { + return (((out_pth.internal_base).chainPath(base_dir)).asNormalizedPath).array; + } + string base() { + return (((out_pth.output_base).chainPath(base_dir)).asNormalizedPath).array; + } + string base_filename(string fn_src) { + return fn_src.baseName.stripExtension; + } + string base_filename_epub(string fn_src) { + return base_filename(fn_src) ~ "." ~ lng; + } + string doc_meta_inf() { + return (("META-INF").asNormalizedPath).array; + } + string doc_oebps() { + return (("OEBPS").asNormalizedPath).array; + } + string doc_oebps_css() { + return ((doc_oebps.chainPath("Styles")).asNormalizedPath).array; + } + string doc_oebps_image() { + return ((doc_oebps.chainPath("image")).asNormalizedPath).array; + } + string epub_file(string fn_src) { + return ((base.chainPath(base_filename_epub(fn_src) ~ ".epub")).asNormalizedPath).array; + } + string dirtop() { + return "".chainPath("").array; + } + string fn_mimetypes() { + return ((dirtop.chainPath("mimetype")).asNormalizedPath).array; + } + string fn_dmi_container_xml() { + return ((doc_meta_inf.chainPath("container.xml")).asNormalizedPath).array; + } + string fn_oebps_toc_nav_xhtml() { + return ((doc_oebps.chainPath("toc_nav.xhtml")).asNormalizedPath).array; + } + string fn_oebps_toc_ncx() { + return ((doc_oebps.chainPath("toc.ncx")).asNormalizedPath).array; + } + string fn_oebps_content_opf() { + return ((doc_oebps.chainPath("content.opf")).asNormalizedPath).array; + } + string fn_oebps_content_xhtml(string seg_filename) { + return ((doc_oebps.chainPath(seg_filename ~ ".xhtml")).asNormalizedPath).array; + } + string fn_oebps_css() { + return ((doc_oebps_css.chainPath("epub.css")).asNormalizedPath).array; + } + /+ debug +/ + string dbg_docdir(string fn_src) { + return base.chainPath(base_filename(fn_src)).array; + } + string dbg_docdir_oebps(string fn_src) { + return dbg_docdir(fn_src).chainPath("OEBPS").array; + } + string dbg_doc_meta_inf(string fn_src) { + return dbg_docdir(fn_src).chainPath("META-INF").array; + } + string dbg_doc_oebps(string fn_src) { + return dbg_docdir(fn_src).chainPath("OEBPS").array; + } + string dbg_doc_oebps_css(string fn_src) { + return dbg_doc_oebps(fn_src).chainPath("Styles").array; + } + string dbg_doc_oebps_image(string fn_src) { + return dbg_doc_oebps(fn_src).chainPath("image").array; + } + string dbg_fn_mimetypes(string fn_src) { + return dbg_docdir(fn_src).chainPath("mimetype").array; + } + string dbg_fn_dmi_container_xml(string fn_src) { + return dbg_doc_meta_inf(fn_src).chainPath("container.xml").array; + } + string dbg_fn_oebps_toc_nav_xhtml(string fn_src) { + return dbg_docdir_oebps(fn_src).chainPath("toc_nav.xhtml").array; + } + string dbg_fn_oebps_toc_ncx(string fn_src) { + return dbg_docdir_oebps(fn_src).chainPath("toc.ncx").array; + } + string dbg_fn_oebps_content_opf(string fn_src) { + return dbg_docdir_oebps(fn_src).chainPath("content.opf").array; + } + string dbg_fn_oebps_content_xhtml(string fn_src, string seg_filename) { + return dbg_docdir_oebps(fn_src).chainPath(seg_filename ~ ".xhtml").array; + } + string dbg_fn_oebps_css(string fn_src) { + return dbg_doc_oebps_css(fn_src).chainPath("epub.css").array; + } + } + return _PathsStruct(); + } +} +template spinePathsODT() { + import std.conv; + auto spinePathsODT(M)( + M doc_matters, + ) { + auto out_pth = spineOutPaths!()( doc_matters.output_path, doc_matters.src.language); + string base_dir = "odf"; + struct _PathsStruct { + string base_pth() { // dir will contain odt document file (also debug file tree) + return (((out_pth.output_base).chainPath(base_dir)).asNormalizedPath).array; + } + string odt_file() { + return ((base_pth.chainPath(doc_matters.src.doc_uid_out ~ ".odt")).asNormalizedPath).array; + } + string dirtop(string type) { + return (type == "zip") + ? "" // ".chainPath("").array + : ((base_pth.chainPath(doc_matters.src.doc_uid_out)).asNormalizedPath).array.to!string; + } + string mimetype(string type="fs") { + assert(type == "zip" || "fs"); + return ((dirtop(type).chainPath("mimetype")).asNormalizedPath).array; + } + string manifest_rdf(string type="fs") { + assert(type == "zip" || "fs"); + return ((dirtop(type).chainPath("manifest.rdf")).asNormalizedPath).array; + } + string settings_xml(string type="fs") { + assert(type == "zip" || "fs"); + return ((dirtop(type).chainPath("settings.xml")).asNormalizedPath).array; + } + string styles_xml(string type="fs") { + assert(type == "zip" || "fs"); + return ((dirtop(type).chainPath("styles.xml")).asNormalizedPath).array; + } + string image_dir(string type="fs") { + assert(type == "zip" || "fs"); + return ((dirtop(type).chainPath("Pictures")).asNormalizedPath).array; + } + string image(string image_fn_src, string type="fs") { + assert(type == "zip" || "fs"); + return ((image_dir(type).chainPath(image_fn_src)).asNormalizedPath).array; + } + string content_xml(string type="fs") { + assert(type == "zip" || "fs"); + return ((dirtop(type).chainPath("content.xml")).asNormalizedPath).array; + } + string meta_inf_dir(string type="fs") { + assert(type == "zip" || "fs"); + return ((dirtop(type).chainPath("META-INF")).asNormalizedPath).array; + } + string manifest_xml(string type="fs") { + assert(type == "zip" || "fs"); + return ((meta_inf_dir(type).chainPath("manifest.xml")).asNormalizedPath).array; + } + string meta_xml(string type="fs") { + assert(type == "zip" || "fs"); + return ((dirtop(type).chainPath("meta.xml")).asNormalizedPath).array; + } + } + return _PathsStruct(); + } +} +template spinePathsPDF() { + auto spinePathsPDF(M)( + M doc_matters, + ) { + struct _PathsStruct { + string base_filename(string fn_src) { + return fn_src.baseName.stripExtension; + } + auto out_pth() { + string output_dir = doc_matters.output_path ~ "/pdf"; + return spineOutPaths!()(output_dir); + } + string base() { + return (((out_pth.output_root).chainPath("pdf")).asNormalizedPath).array; + } + string pdf_path_stuff() { + return ((base.chainPath(base_filename(doc_matters.src.filename))).asNormalizedPath).array; + } + } + return _PathsStruct(); + } +} +template spinePathsLaTeX() { + auto spinePathsLaTeX(M)( + M doc_matters, + ) { + struct _PathsStruct { + string base_filename(string fn_src) { + return fn_src.baseName.stripExtension; + } + auto out_pth() { + return spineOutPaths!()(doc_matters.output_path, doc_matters.src.language); + } + string base() { + return (((out_pth.output_root).chainPath("latex")).asNormalizedPath).array; + } + string base_sty() { + return (((out_pth.output_root).chainPath("latex").chainPath("sty")).asNormalizedPath).array; + } + string latex_path_stuff() { + return ((base.chainPath(base_filename(doc_matters.src.filename))).asNormalizedPath).array; + } + string latex_file_with_path(string paper_size_orientation) { + return ((base.chainPath(base_filename(doc_matters.src.filename) + ~ "." ~ doc_matters.src.language + ~ "." ~ paper_size_orientation + ~ ".tex") + ).asNormalizedPath).array; + } + string latex_sty_with_path(string paper_size_orientation) { // spineA4portrait.sty + return ((base_sty.chainPath("spine" + ~ paper_size_orientation + ~ ".sty") + ).asNormalizedPath).array; + } + string latex_sty_with_path_static() { // spineShared.sty + return ((base_sty.chainPath("spineShared.sty")).asNormalizedPath).array; + } + string images() { + string image_dir = "image"; + return (((base).chainPath(image_dir)).asNormalizedPath).array; + } + } + return _PathsStruct(); + } +} +template spinePathsLaTeXsty() { + auto spinePathsLaTeXsty(string output_dir) { + struct _PathsStruct { + auto out_pth() { + return spineOutPaths!()(output_dir); + } + string base() { + return (((out_pth.output_root).chainPath("latex")).asNormalizedPath).array; + } + string base_sty() { + return (((out_pth.output_root).chainPath("latex").chainPath("sty")).asNormalizedPath).array; + } + string latex_sty_with_path(string paper_size_orientation) { // spineA4portrait.sty + return ((base_sty.chainPath("spine" + ~ paper_size_orientation + ~ ".sty") + ).asNormalizedPath).array; + } + string latex_sty_with_path_static() { // spineShared.sty + return ((base_sty.chainPath("spineShared.sty")).asNormalizedPath).array; + } + string latex_document_header_sty(string filename) { // spineShared.sty + return ((base_sty.chainPath(filename)).asNormalizedPath).array; + } + } + return _PathsStruct(); + } +} +template spinePathsSQLiteDiscrete() { + auto spinePathsSQLiteDiscrete()( + string output_pth_root, + string lng, + ) { + struct _PathsStruct { + string base_filename(string fn_src) { + return fn_src.baseName.stripExtension; + } + string base() { + auto out_pth = spineOutPaths!()(output_pth_root, lng); + string base_dir = "sqlite"; + return (((out_pth.output_base).chainPath(base_dir)).asNormalizedPath).array; + } + string seg(string fn_src) { + return ((base.chainPath(base_filename(fn_src))).asNormalizedPath).array; + } + string sqlite_file(string fn_src) { + return ((base.chainPath(base_filename(fn_src) ~ ".sql.db")).asNormalizedPath).array; + } + } + return _PathsStruct(); + } +} +template spinePathsSQLite() { + auto spinePathsSQLite()( + string db_name, + string output_pth_root, + ) { + struct _PathsStruct { + string base_filename(string fn_src) { + return fn_src.baseName.stripExtension; + } + string base() { + auto out_pth = spineOutPathSQLite!()(output_pth_root); // decide whether to have separate files for each language + string base_dir = ""; + return (((out_pth.output_root).chainPath(base_dir)).asNormalizedPath).array; + } + string sqlite_file() { + return (base.chainPath(db_name).asNormalizedPath).array; + } + } + return _PathsStruct(); + } +} diff --git a/src/sisudoc/io_out/rgx.d b/src/sisudoc/io_out/rgx.d new file mode 100644 index 0000000..474a120 --- /dev/null +++ b/src/sisudoc/io_out/rgx.d @@ -0,0 +1,157 @@ +/+ +- Name: SisuDoc Spine, Doc Reform [a part of] + - Description: documents, structuring, processing, publishing, search + - static content generator + + - Author: Ralph Amissah + [ralph.amissah@gmail.com] + + - Copyright: (C) 2015 - 2024 Ralph Amissah, All Rights Reserved. + + - License: AGPL 3 or later: + + Spine (SiSU), a framework for document structuring, publishing and + search + + Copyright (C) Ralph Amissah + + This program is free software: you can redistribute it and/or modify it + under the terms of the GNU AFERO General Public License as published by the + Free Software Foundation, either version 3 of the License, or (at your + option) any later version. + + This program is distributed in the hope that it will be useful, but WITHOUT + ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + more details. + + You should have received a copy of the GNU General Public License along with + this program. If not, see [https://www.gnu.org/licenses/]. + + If you have Internet connection, the latest version of the AGPL should be + available at these locations: + [https://www.fsf.org/licensing/licenses/agpl.html] + [https://www.gnu.org/licenses/agpl.html] + + - Spine (by Doc Reform, related to SiSU) uses standard: + - docReform markup syntax + - standard SiSU markup syntax with modified headers and minor modifications + - docReform object numbering + - standard SiSU object citation numbering & system + + - Homepages: + [https://www.sisudoc.org] + [https://www.doc-reform.org] + + - Git + [https://git.sisudoc.org/] + ++/ +/++ + regex: regular expressions used in sisu document parser ++/ +module sisudoc.io_out.rgx; +@safe: +static template spineRgxOut() { + static struct RgxO { + static make_breakpage = ctRegex!(`new=(?P.+?)(?:;|$)`); + static make_breakcolumn = ctRegex!(`break=(?P.+?)(?:;|$)`,); + static newline = ctRegex!("\n", "mg"); + static space = ctRegex!(`[ ]`, "mg"); + static spaces_keep = ctRegex!(`(?P^[ ]+|[ ]{2,})`, "mg"); // code, verse, block + static spaces_line_start = ctRegex!(`^(?P[ ]+)`, "mg"); + static nbsp_char = ctRegex!(`░`, "mg"); + static nbsp_chars = ctRegex!(`[░]+`, "mg"); + static middle_dot = ctRegex!(`·`, "mg"); + static src_pth_sst_or_ssm = ctRegex!(`^(?P[/]?(?:[a-zA-Z0-9._-]+/)*)(?P[a-zA-Z0-9._-]+[.](?Pss[tm]))$`); + static src_pth_pod_sst_or_ssm = ctRegex!(`^(?P[/]?(?:[a-zA-Z0-9._-]+/)*)media/text/[a-z]{2}/(?P[a-zA-Z0-9][a-zA-Z0-9._-]*?[.]ss[tm])$`); + static src_pth_contents = ctRegex!(`^(?P[/]?(?:[a-zA-Z0-9._-]+/)*)(?P[a-zA-Z0-9][a-zA-Z0-9._-]*)/pod[.]manifest$`); + static src_pth_zip = ctRegex!(`^(?P[/]?(?:[a-zA-Z0-9._-]+/)*)(?P[a-zA-Z0-9._-]+[.]zip)$`); + static src_pth_types = ctRegex!(`^(?P[/]?[a-zA-Z0-9._-]+/)*(?P(?P[a-zA-Z0-9._-]+[.]ss[tm])|(?P[a-zA-Z0-9._-]+/pod[.]manifest)|(?P[a-zA-Z0-9._-]+[.]zip))$`); + static src_fn = ctRegex!(`^([/]?(?:[a-zA-Z0-9._-]+/)*)(?P(?P[a-zA-Z0-9._-]+)[.](?Pss[tm]))$`); + static src_fn_master = ctRegex!(`^(?P/?(?:[a-zA-Z0-9._-]+/)*)(?P[a-zA-Z0-9._-]+[.]ssm)$`); + static src_fn_find_inserts = ctRegex!(`^(?P/?(?:[a-zA-Z0-9._-]+/)*)(?P[a-zA-Z0-9._-]+[.]ss[im])$`); + static insert_src_fn_ssi_or_sst = ctRegex!(`^<<\s*(?P[a-zA-Z0-9._-]+/)*(?P[a-zA-Z0-9._-]+[.]ss[ti])$`); + static src_base_parent_dir_name = ctRegex!(`[/](?P(?:[a-zA-Z0-9._-]+))(?:/media/text/[a-z]{2})$`); // formalizes dir structure + static src_formalised_file_path_parts = ctRegex!(`(?P(?:[/a-zA-Z0-9._-]+?)(?P[a-zA-Z0-9._-]+))(?:/media/text/[a-z]{2})$`); // formalizes dir structure + /+ line breaks +/ + static br_empty_line = ctRegex!(`\n[ ]*\n`, "mg"); + static br_linebreaks_newlines = ctRegex!(`[\n┘┙]`, "mg"); + static br_linebreaks = ctRegex!(`[┘┙]`, "mg"); + static br_line = ctRegex!(`┘`, "mg"); + static br_line_inline = ctRegex!(`┙`, "mg"); + static br_line_spaced = ctRegex!(`┚`, "mg"); + /+ quotation marks +/ + static quotes_open_and_close = ctRegex!(`[“”]`, "mg"); + /+ inline markup footnotes endnotes +/ + static inline_notes_al = ctRegex!(`【(?:[*+]\s+|\s*)(.+?)】`, "mg"); + static inline_notes_al_special = ctRegex!(`【(?:[*+]\s+)(.+?)】`, "mg"); // TODO remove match when special footnotes are implemented + static inline_notes_al_gen = ctRegex!(`【.+?】`, "m"); + static inline_notes_al_gen_text = ctRegex!(`【(?P.+?)】`, "m"); + static inline_notes_al_all_note = ctRegex!(`【(?P\d+|(?:[*]|[+])+)\s+(?P.+?)\s*】`, "mg"); + static inline_notes_al_regular_number_note = ctRegex!(`【(?P\d+)\s+(?P.+?)\s*】`, "mg"); + static inline_notes_al_special_char_note = ctRegex!(`【(?P(?:[*]|[+])+)\s+(?P.+?)】`, "mg"); + static inline_al_delimiter_open_regular = ctRegex!(`【\s`, "m"); + static inline_al_delimiter_open_symbol_star = ctRegex!(`【[*]\s`, "m"); + static inline_al_delimiter_open_symbol_plus = ctRegex!(`【[+]\s`, "m"); + static inline_text_and_note_al_ = ctRegex!(`(.+?(?:【[*+]*\s+.+?】|.+))`, "mg"); + /+ inline markup links +/ + static inline_image = ctRegex!(`(?P
┥)☼(?P(?P[a-zA-Z0-9._-]+?\.(?:jpg|gif|png)),w(?P\d+)h(?P\d+))\s*(?P.*?┝┤.*?├)`, "mg");
+    static inline_image_without_dimensions          = ctRegex!(`(?P
┥)☼(?P(?P[a-zA-Z0-9._-]+?\.(?:jpg|gif|png)),w(?P0)h(?P0))\s*(?P.*?┝┤.*?├)`, "mg");
+    static inline_image_info                        = ctRegex!(`☼?(?P[a-zA-Z0-9._-]+?\.(?:jpg|gif|png)),w(?P\d+)h(?P\d+)`, "mg");
+    static inline_link_anchor                       = ctRegex!(`┃(?P\S+?)┃`, "mg"); // TODO *~text_link_anchor
+    static inline_link                              = ctRegex!(`┥(?P.+?)┝┤(?P#?(\S+?))├`, "mg");
+    static inline_link_empty                        = ctRegex!(`┥(?P.+?)┝┤├`, "mg");
+    static inline_link_number                       = ctRegex!(`┥(?P.+?)┝┤(?P[0-9]+)├`, "mg"); // not used
+    static inline_link_number_only                  = ctRegex!(`(?P┥.+?┝)┤(?P[0-9]+)├`, "mg");
+    static inline_link_stow_uri                     = ctRegex!(`┥(?P.+?)┝┤(?P[^ 0-9#┥┝┤├][^ 0-9┥┝┤├]+)├`, "mg"); // will not stow (stowed links) or object number internal links
+    static inline_link_hash                         = ctRegex!(`┥(?P.+?)┝┤(?P#(?P\S+?))├`, "mg");
+    static inline_link_seg_and_hash                 = ctRegex!(`┥(?P.+?)┝┤(?P(?P[^/#├]*)#(?P.+?))├`, "mg");
+    static inline_link_clean                        = ctRegex!(`┤(?:.+?)├|[┥┝]`, "mg");
+    static inline_link_toc_to_backmatter            = ctRegex!(`┤#(?Pendnotes|bibliography|bookindex|glossary|blurb)├`, "mg");
+    static url                                      = ctRegex!(`https?://`, "mg");
+    static uri                                      = ctRegex!(`(?:https?|git)://`, "mg");
+    static uri_identify_components                  = ctRegex!(`(?P(?:https?|git)://)(?P\S+?/)(?P[^/]+)$`, "mg");
+    static inline_link_subtoc                       = ctRegex!(`^(?P[5-7])~ ┥(?P.+?)┝┤(?P.+?)├`, "mg");
+    static inline_link_fn_suffix                    = ctRegex!(`¤(.+?)(\.fnSuffix)`, "mg");
+    static inline_seg_link                          = ctRegex!(`(¤)(?:.+?)\.fnSuffix`, "mg");
+    static mark_internal_site_lnk                   = ctRegex!(`¤`, "mg");
+    static quotation_mark_sql_insert_delimiter      = ctRegex!("[']", "mg");
+    /+ inline markup font face mod +/
+    static inline_emphasis                          = ctRegex!(`⑆[*]┨(?P.+?)┣[*]`, "mg");
+    static inline_bold                              = ctRegex!(`⑆[!]┨(?P.+?)┣[!]`, "mg");
+    static inline_underscore                        = ctRegex!(`⑆[_]┨(?P.+?)┣[_]`, "mg");
+    static inline_italics                           = ctRegex!(`⑆[/]┨(?P.+?)┣[/]`, "mg");
+    static inline_superscript                       = ctRegex!(`⑆\^┨(?P.+?)┣\^`, "mg");
+    static inline_subscript                         = ctRegex!(`⑆[,]┨(?P.+?)┣[,]`, "mg");
+    static inline_strike                            = ctRegex!(`⑆[-]┨(?P.+?)┣[-]`, "mg");
+    static inline_insert                            = ctRegex!(`⑆[+]┨(?P.+?)┣[+]`, "mg");
+    static inline_mono                              = ctRegex!(`⑆[■]┨(?P.+?)┣[■]`, "mg");
+    static inline_cite                              = ctRegex!(`⑆[‖]┨(?P.+?)┣[‖]`, "mg");
+    /+ table delimiters +/
+    static table_delimiter_col                      = ctRegex!("[ ]*[┊][ ]*", "mg");
+    static table_delimiter_row                      = ctRegex!("[ ]*\n", "mg");
+    /+ paragraph operators +/
+    static grouped_para_indent_1                    = ctRegex!(`^_1[ ]`, "m");
+    static grouped_para_indent_2                    = ctRegex!(`^_2[ ]`, "m");
+    static grouped_para_indent_3                    = ctRegex!(`^_3[ ]`, "m");
+    static grouped_para_indent_4                    = ctRegex!(`^_4[ ]`, "m");
+    static grouped_para_indent_5                    = ctRegex!(`^_5[ ]`, "m");
+    static grouped_para_indent_6                    = ctRegex!(`^_6[ ]`, "m");
+    static grouped_para_indent_7                    = ctRegex!(`^_7[ ]`, "m");
+    static grouped_para_indent_8                    = ctRegex!(`^_8[ ]`, "m");
+    static grouped_para_indent_9                    = ctRegex!(`^_9[ ]`, "m");
+    static grouped_para_bullet                      = ctRegex!(`^_[*] `, "m");
+    static grouped_para_bullet_indent_1             = ctRegex!(`^_1[*] `, "m");
+    static grouped_para_bullet_indent_2             = ctRegex!(`^_2[*] `, "m");
+    static grouped_para_bullet_indent_3             = ctRegex!(`^_3[*] `, "m");
+    static grouped_para_bullet_indent_4             = ctRegex!(`^_4[*] `, "m");
+    static grouped_para_bullet_indent_5             = ctRegex!(`^_5[*] `, "m");
+    static grouped_para_bullet_indent_6             = ctRegex!(`^_6[*] `, "m");
+    static grouped_para_bullet_indent_7             = ctRegex!(`^_7[*] `, "m");
+    static grouped_para_bullet_indent_8             = ctRegex!(`^_8[*] `, "m");
+    static grouped_para_bullet_indent_9             = ctRegex!(`^_9[*] `, "m");
+    static grouped_para_bullet_indent               = ctRegex!(`^_(?P[1-9])[*] `, "m");
+    static grouped_para_indent_hang                 = ctRegex!(`^_(?P[0-9])_(?P[0-9])[ ]`, "m");
+  }
+}
diff --git a/src/sisudoc/io_out/rgx_latex.d b/src/sisudoc/io_out/rgx_latex.d
new file mode 100644
index 0000000..826455c
--- /dev/null
+++ b/src/sisudoc/io_out/rgx_latex.d
@@ -0,0 +1,68 @@
+/+
+- Name: SisuDoc Spine, Doc Reform [a part of]
+  - Description: documents, structuring, processing, publishing, search
+    - static content generator
+
+  - Author: Ralph Amissah
+    [ralph.amissah@gmail.com]
+
+  - Copyright: (C) 2015 - 2024 Ralph Amissah, All Rights Reserved.
+
+  - License: AGPL 3 or later:
+
+    Spine (SiSU), a framework for document structuring, publishing and
+    search
+
+    Copyright (C) Ralph Amissah
+
+    This program is free software: you can redistribute it and/or modify it
+    under the terms of the GNU AFERO General Public License as published by the
+    Free Software Foundation, either version 3 of the License, or (at your
+    option) any later version.
+
+    This program is distributed in the hope that it will be useful, but WITHOUT
+    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+    FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+    more details.
+
+    You should have received a copy of the GNU General Public License along with
+    this program. If not, see [https://www.gnu.org/licenses/].
+
+    If you have Internet connection, the latest version of the AGPL should be
+    available at these locations:
+    [https://www.fsf.org/licensing/licenses/agpl.html]
+    [https://www.gnu.org/licenses/agpl.html]
+
+  - Spine (by Doc Reform, related to SiSU) uses standard:
+    - docReform markup syntax
+      - standard SiSU markup syntax with modified headers and minor modifications
+    - docReform object numbering
+      - standard SiSU object citation numbering & system
+
+  - Homepages:
+    [https://www.sisudoc.org]
+    [https://www.doc-reform.org]
+
+  - Git
+    [https://git.sisudoc.org/]
+
++/
+/++
+  regex: regular expressions used in sisu document parser
++/
+module sisudoc.io_out.rgx_latex;
+@safe:
+static template spineRgxLSC() {
+  static struct RgxLSC {
+    static latex_special_char                       = ctRegex!(`([%${}_#&\\])`);
+    static latex_special_char_for_escape            = ctRegex!(`([%${}_#\\])`);
+    static latex_special_char_for_escape_and_braces = ctRegex!(`([&])`);
+    static latex_special_char_for_escape_url        = ctRegex!(`([%])`);
+    static latex_special_char_escaped               = ctRegex!(`\\([%${}_#\\])`);
+    static latex_special_char_escaped_braced        = ctRegex!(`[{]\\([&])[}]`);
+    static latex_identify_inline_link               = ctRegex!(`┥.+?┝┤\S+?├`, "mg");
+    static latex_identify_inline_fontface           = ctRegex!(`\\([_#$]┨.+?┣)\\([_#$])`, "mg");
+    static latex_clean_internal_link                = ctRegex!(`^(?:#|¤\S+?#)`, "m");
+    static latex_clean_bookindex_linebreak          = ctRegex!(`\s*\\\\\\\\\s*`, "m");
+  }
+}
diff --git a/src/sisudoc/io_out/rgx_xhtml.d b/src/sisudoc/io_out/rgx_xhtml.d
new file mode 100644
index 0000000..1c33b0e
--- /dev/null
+++ b/src/sisudoc/io_out/rgx_xhtml.d
@@ -0,0 +1,63 @@
+/+
+- Name: SisuDoc Spine, Doc Reform [a part of]
+  - Description: documents, structuring, processing, publishing, search
+    - static content generator
+
+  - Author: Ralph Amissah
+    [ralph.amissah@gmail.com]
+
+  - Copyright: (C) 2015 - 2024 Ralph Amissah, All Rights Reserved.
+
+  - License: AGPL 3 or later:
+
+    Spine (SiSU), a framework for document structuring, publishing and
+    search
+
+    Copyright (C) Ralph Amissah
+
+    This program is free software: you can redistribute it and/or modify it
+    under the terms of the GNU AFERO General Public License as published by the
+    Free Software Foundation, either version 3 of the License, or (at your
+    option) any later version.
+
+    This program is distributed in the hope that it will be useful, but WITHOUT
+    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+    FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+    more details.
+
+    You should have received a copy of the GNU General Public License along with
+    this program. If not, see [https://www.gnu.org/licenses/].
+
+    If you have Internet connection, the latest version of the AGPL should be
+    available at these locations:
+    [https://www.fsf.org/licensing/licenses/agpl.html]
+    [https://www.gnu.org/licenses/agpl.html]
+
+  - Spine (by Doc Reform, related to SiSU) uses standard:
+    - docReform markup syntax
+      - standard SiSU markup syntax with modified headers and minor modifications
+    - docReform object numbering
+      - standard SiSU object citation numbering & system
+
+  - Homepages:
+    [https://www.sisudoc.org]
+    [https://www.doc-reform.org]
+
+  - Git
+    [https://git.sisudoc.org/]
+
++/
+/++
+  regex: regular expressions used in sisu document parser
++/
+module sisudoc.io_out.rgx_xhtml;
+@safe:
+static template spineRgxXHTML() {
+  static struct RgxXHTML {
+    static ampersand                                = ctRegex!(`[&]`, "m");      // &
+    static quotation                                = ctRegex!(`["]`, "m");      // "
+    static less_than                                = ctRegex!(`[<]`, "m");      // <
+    static greater_than                             = ctRegex!(`[>]`, "m");      // >
+    static line_break                               = ctRegex!(` [\\]{2}`, "m"); // 

+  }
+}
diff --git a/src/sisudoc/io_out/source_pod.d b/src/sisudoc/io_out/source_pod.d
new file mode 100644
index 0000000..97e31af
--- /dev/null
+++ b/src/sisudoc/io_out/source_pod.d
@@ -0,0 +1,424 @@
+/+
+- Name: SisuDoc Spine, Doc Reform [a part of]
+  - Description: documents, structuring, processing, publishing, search
+    - static content generator
+
+  - Author: Ralph Amissah
+    [ralph.amissah@gmail.com]
+
+  - Copyright: (C) 2015 - 2024 Ralph Amissah, All Rights Reserved.
+
+  - License: AGPL 3 or later:
+
+    Spine (SiSU), a framework for document structuring, publishing and
+    search
+
+    Copyright (C) Ralph Amissah
+
+    This program is free software: you can redistribute it and/or modify it
+    under the terms of the GNU AFERO General Public License as published by the
+    Free Software Foundation, either version 3 of the License, or (at your
+    option) any later version.
+
+    This program is distributed in the hope that it will be useful, but WITHOUT
+    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+    FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+    more details.
+
+    You should have received a copy of the GNU General Public License along with
+    this program. If not, see [https://www.gnu.org/licenses/].
+
+    If you have Internet connection, the latest version of the AGPL should be
+    available at these locations:
+    [https://www.fsf.org/licensing/licenses/agpl.html]
+    [https://www.gnu.org/licenses/agpl.html]
+
+  - Spine (by Doc Reform, related to SiSU) uses standard:
+    - docReform markup syntax
+      - standard SiSU markup syntax with modified headers and minor modifications
+    - docReform object numbering
+      - standard SiSU object citation numbering & system
+
+  - Homepages:
+    [https://www.sisudoc.org]
+    [https://www.doc-reform.org]
+
+  - Git
+    [https://git.sisudoc.org/]
+
++/
+module sisudoc.io_out.source_pod;
+@system: // is not @safe: use: @system: or @trusted:
+template spinePod() {
+  import
+    sisudoc.meta.rgx_files,
+    sisudoc.io_out;
+  import
+    std.digest.sha,
+    std.file,
+    std.outbuffer,
+    std.zip,
+    std.conv : to;
+  import
+    sisudoc.io_out.create_zip_file,
+    sisudoc.io_out.xmls;
+  void spinePod(T)(T doc_matters) {
+    debug(asserts) {
+      // static assert(is(typeof(doc_matters) == tuple));
+    }
+    mixin spineRgxFiles;
+    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 = spinePathsPods!()(doc_matters);
+    mixin spineLanguageCodes;
+    auto lang = Lang();
+    static auto rgx_files = RgxFiles();
+    assert (doc_matters.src.filename.match(rgx_files.src_fn));
+    @system 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;
+    }
+    try {
+      /+ 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_or_pod) {
+        if (doc_matters.opt.action.vox_gt0) {
+          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;
+        }
+      }
+      if (!exists(pths_pod.pod_dir_() ~ "/index.html")) {
+        import sisudoc.io_out.html_snippet;
+        mixin htmlSnippet;
+        auto f = File(pths_pod.pod_dir_() ~"/index.html", "w");
+        f.writeln(format_html_blank_page_guide_home(
+          "../../css/html_scroll.css",
+          (doc_matters.opt.action.webserver_url_doc_root.length > 0)
+            ? doc_matters.opt.action.webserver_url_doc_root
+            : doc_matters.conf_make_meta.conf.w_srv_data_root_url,
+          "../../index.html",
+        ));
+      }
+      if (doc_matters.opt.action.debug_do_pod
+      && doc_matters.opt.action.vox_gt1) {
+        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_or_pod) {
+              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_pod
+            && doc_matters.opt.action.vox_gt1) {
+              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_or_pod) {
+            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_pod
+          && doc_matters.opt.action.vox_gt1) {
+            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_pod
+            && doc_matters.opt.action.vox_gt1) {
+              try {
+                _pmy = Loader.fromString(_pm).load();
+              } catch (ErrnoException ex) {
+              } catch (Throwable) {
+                writeln("ERROR failed to read config file content, not parsed as yaml");
+              }
+              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_or_pod) {
+              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_or_pod) {
+            fn_src_in.copy(fn_src_out_filesystem);
+          }
+          if (doc_matters.opt.action.pod) {
+            auto _rgx = regex(r"(?P\S+?)(?P[a-z_-]+)/(?Pmedia/text/)(?P\S+?)/(?P\S+?\.ss[mt])");
+            if (auto _x = fn_src_in.match(_rgx)){
+              if (doc_matters.src.lng == doc_matters.pod.manifest_list_of_languages[$-1]) {
+                string _path_to_pod = _x.captures["path_to_pod"];
+                string _podname = _x.captures["podname"];
+                string _root_to_lang = _x.captures["from_root"];
+                string _language = _x.captures["language"];
+                string _filename = _x.captures["filename"];
+                foreach (_lang; doc_matters.pod.manifest_list_of_languages) {
+                  string _pth_mkup_src_in = _path_to_pod ~ _podname ~ "/" ~ _root_to_lang ~ _lang ~ "/" ~ _filename;
+                  string _pth_mkup_src_out = "pod/" ~ _root_to_lang ~ _lang ~ "/" ~ _filename;
+                  zip = pod_archive("file_path_text", _pth_mkup_src_in, _pth_mkup_src_out, zip);
+                }
+              }
+            } else {
+              zip = pod_archive("file_path_text", fn_src_in, fn_src_out_pod_zip_base, zip);
+            }
+          }
+        } else {
+          if (doc_matters.opt.action.debug_do_pod
+          && doc_matters.opt.action.vox_gt1) {
+            writeln("WARNING (io) src in NOT found (markup source): ", fn_src_in);
+          }
+        }
+      } { /+ bundle insert files (.ssi) +/
+        if (doc_matters.srcs.file_insert_list.length > 0) {
+          auto _rgx = regex(r"(?P\S+?)(?P[a-z_-]+)/(?Pmedia/text/)(?P\S+?)/(?P\S+?\.ss[i])");
+          foreach (insert_file; doc_matters.srcs.file_insert_list) {
+            debug(pod) {
+              writeln(
+                insert_file, " -> ",
+                pths_pod.fn_doc_insert(
+                  doc_matters.src.filename,
+                  insert_file,
+                  doc_matters.src.language,
+                ).zpod
+              );
+            }
+            if (auto _x = insert_file.match(_rgx)){
+              if (doc_matters.src.lng == doc_matters.pod.manifest_list_of_languages[$-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_or_pod) {
+                      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_pod
+                    && doc_matters.opt.action.vox_gt1) {
+                      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_or_pod) {
+                  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_pod
+                && doc_matters.opt.action.vox_gt1) {
+                  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);
+          }
+        }
+      }
+      if (exists(fn_pod)) {
+        try {
+          if (doc_matters.opt.action.vox_gt0
+          && doc_matters.opt.action.pod) {
+            auto data = (cast(byte[]) (fn_pod).read);
+            if (doc_matters.opt.action.vox_gt1) {
+              writeln(" ", doc_matters.src.filename, " > ");
+            }
+            if (doc_matters.opt.action.pod) {
+              writefln("%s\n. %-(%02x%)::%s . %s.zip", fn_pod, data.sha256Of, data.length, doc_matters.src.filename_base);
+            }
+          }
+          if (doc_matters.opt.action.debug_do_pod) {
+            try {
+              auto zipped = new ZipArchive((fn_pod).read);
+              foreach (filename, member; zipped.directory) {
+                auto data = zipped.expand(member);
+                writeln(". ", ((data).sha256Of).toHexString, "::", data.length, " . ", filename);
+              }
+            } catch (ZipException ex) {
+              // Handle errors
+            }
+          }
+        } catch (ErrnoException ex) {
+          // Handle errors
+        }
+      }
+      // source pod zip
+    } catch (ErrnoException ex) {
+      // Handle error
+    }
+  }
+}
diff --git a/src/sisudoc/io_out/sqlite.d b/src/sisudoc/io_out/sqlite.d
new file mode 100644
index 0000000..bee9cad
--- /dev/null
+++ b/src/sisudoc/io_out/sqlite.d
@@ -0,0 +1,1761 @@
+/+
+- Name: SisuDoc Spine, Doc Reform [a part of]
+  - Description: documents, structuring, processing, publishing, search
+    - static content generator
+
+  - Author: Ralph Amissah
+    [ralph.amissah@gmail.com]
+
+  - Copyright: (C) 2015 - 2024 Ralph Amissah, All Rights Reserved.
+
+  - License: AGPL 3 or later:
+
+    Spine (SiSU), a framework for document structuring, publishing and
+    search
+
+    Copyright (C) Ralph Amissah
+
+    This program is free software: you can redistribute it and/or modify it
+    under the terms of the GNU AFERO General Public License as published by the
+    Free Software Foundation, either version 3 of the License, or (at your
+    option) any later version.
+
+    This program is distributed in the hope that it will be useful, but WITHOUT
+    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+    FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+    more details.
+
+    You should have received a copy of the GNU General Public License along with
+    this program. If not, see [https://www.gnu.org/licenses/].
+
+    If you have Internet connection, the latest version of the AGPL should be
+    available at these locations:
+    [https://www.fsf.org/licensing/licenses/agpl.html]
+    [https://www.gnu.org/licenses/agpl.html]
+
+  - Spine (by Doc Reform, related to SiSU) uses standard:
+    - docReform markup syntax
+      - standard SiSU markup syntax with modified headers and minor modifications
+    - docReform object numbering
+      - standard SiSU object citation numbering & system
+
+  - Homepages:
+    [https://www.sisudoc.org]
+    [https://www.doc-reform.org]
+
+  - Git
+    [https://git.sisudoc.org/]
+
++/
+module sisudoc.io_out.sqlite;
+import
+  sisudoc.io_out,
+  sisudoc.io_out.rgx,
+  sisudoc.io_out.rgx_xhtml;
+import
+  std.file,
+  std.uri;
+import std.conv : to;
+import std.typecons : Nullable;
+import d2sqlite3;
+mixin spineRgxOut;
+mixin spineRgxXHTML;
+mixin InternalMarkup;
+static auto rgx = RgxO();
+static auto rgx_xhtml = RgxXHTML();
+static auto mkup = InlineMarkup();
+long _metadata_tid_lastrowid;
+template SQLiteHubBuildTablesAndPopulate() {
+  void SQLiteHubBuildTablesAndPopulate(D,M)(
+    const D  doc_abstraction,
+          M  doc_matters,
+  ) {
+    auto pth_sqlite = spinePathsSQLite!()(doc_matters.sqlite.filename, doc_matters.sqlite.path);
+    if ((isValidPath(pth_sqlite.base) && exists(pth_sqlite.base) != 0 && pth_sqlite.base.isDir)) {
+    } else {
+      try {
+        pth_sqlite.base.mkdirRecurse;
+      } catch (FileException ex) { }
+    }
+    template SQLiteDbStatementComposite() {
+      void SQLiteDbStatementComposite(Db,D,M)(
+              Db   db,
+        const D    doc_abstraction,
+              M    doc_matters,
+      ) {
+        string _db_statement;
+        if ((doc_matters.opt.action.sqlite_db_create)) {
+          auto pth_sqlite = spinePathsSQLite!()(doc_matters.sqlite.filename, doc_matters.sqlite.path);
+          if ((isValidPath(pth_sqlite.base) && exists(pth_sqlite.base) != 0 && pth_sqlite.base.isDir)) {
+          } else {
+            try {
+              pth_sqlite.base.mkdirRecurse;
+            } catch (FileException ex) { }
+          }
+          _db_statement ~= SQLiteTablesReCreate!()();
+          SQLiteDbRun!()(db, _db_statement, doc_matters.opt.action, "TABLE RE-CREATE");
+          _db_statement = [];
+        }
+        if (doc_matters.opt.action.sqlite_delete) {
+          _db_statement ~= SQLiteDeleteDocument!()(doc_matters);
+          SQLiteDbRun!()(db, _db_statement, doc_matters.opt.action, "DELETE Document");
+          _db_statement = [];
+        }
+        if (doc_matters.opt.action.sqlite_update) {
+          _db_statement ~= SQLiteDeleteDocument!()(doc_matters);
+          SQLiteDbRun!()(db, _db_statement, doc_matters.opt.action, "DELETE Document");
+          _db_statement = [];
+          _db_statement ~= SQLiteInsertMetadata!()(doc_matters);
+          SQLiteDbRun!()(db, _db_statement, doc_matters.opt.action, "INSERT MetaData");
+          _db_statement = [];
+          /+ 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_statement = [];
+         _db_statement ~= SQLiteInsertMetadataTopics!()(doc_matters);
+          SQLiteDbRun!()(db, _db_statement, doc_matters.opt.action, "INSERT MetaDataTopics");
+          _db_statement = [];
+        }
+        db.close;
+        if (doc_matters.opt.action.vox_gt0) {
+          writeln(" ", pth_sqlite.sqlite_file);
+        }
+      }
+    }
+    try {
+      auto db = Database(pth_sqlite.sqlite_file);
+      SQLiteDbStatementComposite!()(db, doc_abstraction, doc_matters);
+    }
+    catch (FileException e) {
+      writeln("Failed (FileException): ", e.msg, " ", pth_sqlite.sqlite_file);
+      writeln(e.file, " line: ", e.line);
+      import core.runtime;
+      core.runtime.Runtime.terminate();
+    }
+    catch (ErrnoException e) {
+      writeln("Failed (ErrnoException): ", e.msg, " ", pth_sqlite.sqlite_file);
+      writeln(e.file, " line: ", e.line);
+      import core.runtime;
+      core.runtime.Runtime.terminate();
+    }
+    catch (Exception e) {
+      writeln("Failed (Exception): ", e.msg, " ", pth_sqlite.sqlite_file);
+      writeln(e.file, " line: ", e.line);
+      import core.runtime;
+      core.runtime.Runtime.terminate();
+    }
+    catch (Throwable) {
+      writeln("Failed (Trowable): ", pth_sqlite.sqlite_file);
+      import core.runtime;
+      core.runtime.Runtime.terminate();
+    }
+  }
+}
+template SQLiteHubDiscreteBuildTablesAndPopulate() {
+  void SQLiteHubDiscreteBuildTablesAndPopulate(D,M)(
+    const D    doc_abstraction,
+          M    doc_matters,
+  ) {
+    auto url_html = spineUrlsHTML!()(doc_matters.conf_make_meta.conf.w_srv_data_root_url_html, doc_matters.src.language);
+    auto pth_sqlite = spinePathsSQLiteDiscrete!()(doc_matters.output_path, doc_matters.src.language); // doc_matters.db_path
+    if ((isValidPath(pth_sqlite.base) && exists(pth_sqlite.base) != 0 && pth_sqlite.base.isDir)) {
+    } else {
+      try {
+        pth_sqlite.base.mkdirRecurse;
+      } catch (FileException ex) { }
+    }
+    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,
+      ) {
+        try {
+          {
+            string _db_statement;
+            _db_statement ~= SQLiteTablesReCreate!()();
+            _db_statement ~= SQLiteInsertMetadata!()(doc_matters);
+            _db_statement ~= SQLiteInsertMetadataTopics!()(doc_matters);
+            _db_statement ~= doc_abstraction.SQLiteInsertDocObjectsLoop!()(doc_matters);
+            SQLiteDbRun!()(db, _db_statement, doc_matters.opt.action, "table CREATE Tables, INSERT DocObjects");
+          }
+          db.close;
+        }
+        catch (FileException e) {
+          writeln("Failed (FileException): ", e.msg);
+          writeln(e.file, " line: ", e.line);
+          import core.runtime;
+          core.runtime.Runtime.terminate();
+        }
+        catch (ErrnoException e) {
+          writeln("Failed (ErrnoException): ", e.msg);
+          writeln(e.file, " line: ", e.line);
+          import core.runtime;
+          core.runtime.Runtime.terminate();
+        }
+        catch (Exception e) {
+          writeln("Failed (Exception): ", e.msg);
+          writeln(e.file, " line: ", e.line);
+          import core.runtime;
+          core.runtime.Runtime.terminate();
+        }
+        catch (Throwable) {
+          import core.runtime;
+          core.runtime.Runtime.terminate();
+        }
+        if (doc_matters.opt.action.vox_gt0) {
+          writeln(" ", pth_sqlite.sqlite_file(doc_matters.src.filename));
+        }
+      }
+    }
+    SQLiteDiscreteDbStatementComposite!()(db, doc_abstraction, doc_matters);
+  }
+}
+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 TRANSACTION;\n" ~
+        db_statement ~
+        "\nCOMMIT TRANSACTION;\n"
+      );
+    } catch (ErrnoException ex) {
+      writeln("ERROR SQLite : ", ex);
+    } catch (Exception ex) {
+      writeln("ERROR SQLite : ", ex);
+    }
+    { /+ debug +/
+      if (opt_action.debug_do_sqlite) {
+        writeln(note);
+        if (opt_action.vox_gt2) {
+          writeln(db_statement);
+        }
+      }
+    }
+  }
+}
+template SQLinsertDelimiter() {
+  string 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 spineRgxOut;
+    mixin spineRgxXHTML;
+    struct sqlite_format_and_load_objects {
+      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_sqlite) {
+            writeln(_txt, "\n");
+          }
+        }
+        debug(sql_text_clean) {
+          writeln(_txt);
+        }
+        return _txt;
+      }
+      string munge_html(M,O)(
+              M    doc_matters,
+        const O    obj,
+      ) {
+        string _html_special_characters(string _txt){
+          _txt = _txt
+            .replaceAll(rgx_xhtml.ampersand,    "&")
+            .replaceAll(rgx_xhtml.quotation,    """)
+            .replaceAll(rgx_xhtml.less_than,    "<")
+            .replaceAll(rgx_xhtml.greater_than, ">")
+            .replaceAll(rgx.nbsp_char,          " ")
+            .replaceAll(rgx.br_line_inline,     "
")
+            .replaceAll(rgx.br_line,            "
")
+            .replaceAll(rgx.br_line_spaced,     "

")
+            .replaceAll(rgx_xhtml.line_break,   "
");
+          return _txt;
+        }
+        string _html_font_face(string _txt){
+          _txt = _txt
+            .replaceAll(rgx.inline_emphasis,    "$1")
+            .replaceAll(rgx.inline_bold,        "$1")
+            .replaceAll(rgx.inline_underscore,  "$1")
+            .replaceAll(rgx.inline_italics,     "$1")
+            .replaceAll(rgx.inline_superscript, "$1")
+            .replaceAll(rgx.inline_subscript,   "$1")
+            .replaceAll(rgx.inline_strike,      "$1")
+            .replaceAll(rgx.inline_insert,      "$1")
+            .replaceAll(rgx.inline_mono,        "$1")
+            .replaceAll(rgx.inline_cite,        "$1");
+          return _txt;
+        }
+        string _notes;
+        string _urls;
+        string _txt = _html_font_face(_html_special_characters(obj.text));
+        { /+ debug +/
+          if (doc_matters.opt.action.debug_do_sqlite) {
+            writeln(_txt, "\n");
+          }
+        }
+        return _txt;
+      }
+      string html_special_characters(string _txt){
+        _txt = _txt
+          .replaceAll(rgx_xhtml.ampersand,    "&")
+          .replaceAll(rgx_xhtml.quotation,    """)
+          .replaceAll(rgx_xhtml.less_than,    "<")
+          .replaceAll(rgx_xhtml.greater_than, ">")
+          .replaceAll(rgx.nbsp_char,          " ")
+          .replaceAll(rgx.br_line_inline,     "
")
+          .replaceAll(rgx.br_line,            "
")
+          .replaceAll(rgx.br_line_spaced,     "

")
+          .replaceAll(rgx_xhtml.line_break,   "
");
+        return _txt;
+      }
+      string html_special_characters_code(string _txt){
+        _txt = _txt
+          .replaceAll(rgx_xhtml.ampersand,    "&")
+          .replaceAll(rgx_xhtml.quotation,    """)
+          .replaceAll(rgx_xhtml.less_than,    "<")
+          .replaceAll(rgx_xhtml.greater_than, ">")
+          .replaceAll(rgx.nbsp_char,          " ");
+        return _txt;
+      }
+      string html_font_face(string _txt){
+        _txt = _txt
+          .replaceAll(rgx.inline_emphasis,    "$1")
+          .replaceAll(rgx.inline_bold,        "$1")
+          .replaceAll(rgx.inline_underscore,  "$1")
+          .replaceAll(rgx.inline_italics,     "$1")
+          .replaceAll(rgx.inline_superscript, "$1")
+          .replaceAll(rgx.inline_subscript,   "$1")
+          .replaceAll(rgx.inline_strike,      "$1")
+          .replaceAll(rgx.inline_insert,      "$1")
+          .replaceAll(rgx.inline_mono,        "$1")
+          .replaceAll(rgx.inline_cite,        "$1");
+        return _txt;
+      }
+      string inline_grouped_text_bullets_indents(M,O)(
+                     M  doc_matters,
+        const        O  obj,
+        string          _txt,
+        string          _suffix   = ".html",
+        string          _xml_type = "seg",
+      ) {
+        static auto rgx = RgxO();
+        static auto rgx_xhtml = RgxXHTML();
+        if (obj.metainfo.is_a == "group") {
+          _txt = (_txt)
+            .replaceAll(rgx.grouped_para_indent_1,
+              "  ")
+            .replaceAll(rgx.grouped_para_indent_2,
+              "    ")
+            .replaceAll(rgx.grouped_para_indent_3,
+              "      ")
+            .replaceAll(rgx.grouped_para_indent_4,
+              "        ")
+            .replaceAll(rgx.grouped_para_indent_5,
+              "          ")
+            .replaceAll(rgx.grouped_para_indent_6,
+              "            ")
+            .replaceAll(rgx.grouped_para_indent_7,
+              "              ")
+            .replaceAll(rgx.grouped_para_indent_8,
+              "                ")
+            .replaceAll(rgx.grouped_para_indent_9,
+              "                  ")
+            .replaceAll(rgx.grouped_para_indent_hang,      "  ")
+            .replaceAll(rgx.grouped_para_bullet,           "●  ")
+            .replaceAll(rgx.grouped_para_bullet_indent_1,
+              "  ●  ")
+            .replaceAll(rgx.grouped_para_bullet_indent_2,
+              "    ●  ")
+            .replaceAll(rgx.grouped_para_bullet_indent_3,
+              "      ●  ")
+            .replaceAll(rgx.grouped_para_bullet_indent_4,
+              "        ●  ")
+            .replaceAll(rgx.grouped_para_bullet_indent_5,
+              "          ●  ")
+            .replaceAll(rgx.grouped_para_bullet_indent_6,
+              "            ●  ")
+            .replaceAll(rgx.grouped_para_bullet_indent_7,
+              "              ●  ")
+            .replaceAll(rgx.grouped_para_bullet_indent_8,
+              "                ●  ")
+            .replaceAll(rgx.grouped_para_bullet_indent_9,
+              "                  ●  ");
+        }
+        return _txt;
+      }
+      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 $6"));
+        }
+        return _txt;
+      }
+      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["linked_text"] ~ "┤" ~ to!string((obj.stow.link[m["num"].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 = spinePathsHTML!()(doc_matters.output_path, doc_matters.src.language);
+          if (_xml_type == "seg") {
+            foreach (m; _txt.matchAll(rgx.inline_link_seg_and_hash)) {
+              if (m.captures["hash"] in doc_matters.has.tag_associations) {
+                if (m.captures["hash"] == doc_matters.has.tag_associations[(m.captures["hash"])]["seg_lv4"]) {
+                  _txt = _txt.replaceFirst(
+                    rgx.inline_link_seg_and_hash,
+                    "┥$1┝┤"
+                      ~ doc_matters.conf_make_meta.conf.w_srv_data_root_url_html
+                      ~ "/"
+                      ~ pth_html.tail_fn_seg(doc_matters.src.filename, "$2.html")
+                    ~ "├"
+                  );
+                } else {
+                  _txt = _txt.replaceFirst(
+                    rgx.inline_link_seg_and_hash,
+                    "┥$1┝┤"
+                      ~ doc_matters.conf_make_meta.conf.w_srv_data_root_url_html
+                      ~ "/"
+                      ~ doc_matters.src.filename_base
+                      ~ "/"
+                      ~ doc_matters.has.tag_associations[(m.captures["hash"])]["seg_lv4"]
+                      ~ ".html"
+                      ~ "#" ~ m.captures["hash"]
+                    ~ "├"
+                  );
+                }
+              } else {
+                if (doc_matters.opt.action.vox_gt0) {
+                  writeln(
+                    "WARNING on internal document links, anchor to link <<"
+                     ~ m.captures["hash"]
+                     ~ ">> not found in document, "
+                     ~ "anchor: " ~ m.captures["hash"]
+                     ~ " document: " ~ doc_matters.src.filename
+                  );
+                }
+              }
+            }
+          } else {
+            if (auto m = _txt.match(rgx.inline_link_seg_and_hash)) {
+              _txt = _txt.replaceFirst(
+                rgx.inline_link_seg_and_hash,
+                "┥$1┝┤"
+                  ~ doc_matters.conf_make_meta.conf.w_srv_data_root_url_html
+                  ~ "/"
+                  ~ pth_html.tail_fn_scroll(doc_matters.src.filename)
+                  ~ "#" ~ m.captures["hash"]
+                ~ "├"
+              );
+            }
+          }
+          _txt = _txt
+            .replaceAll(
+              rgx.inline_link_fn_suffix,
+              ("$1.html"))
+            .replaceAll(
+              rgx.inline_link,
+              ("$1"))
+            .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
+            );
+          }
+          // if (obj.metainfo.is_a == "bookindex") { // DEBUG LINE
+          //   if (_txt.match(regex(r""
+            ~ "" ~ m.captures["num"] ~ "."
+            ~ m.captures["note"]
+            ~ "
";
+          }
+          _txt = replaceAll!(m =>
+            (" " ~ "" ~ m["num"] ~ ""))
+              (_txt, rgx.inline_notes_al_regular_number_note)
+            ~ _endnotes.join("\n");
+        }
+        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;
+      }
+      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,
+      ) {
+        if (obj.metainfo.is_a == "group") {
+          _txt = inline_grouped_text_bullets_indents(doc_matters, obj, _txt, xml_type);
+        }
+        _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;
+      }
+      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"┃

+            %s
+          
┃",
+            obj.metainfo.is_a,
+            _txt,
+          );
+        return o;
+      }
+      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" || "endnote" || "glossary" || "bibliography" || "bookindex" || "blurb");
+        string _txt = munge_html(doc_matters, obj);
+        _txt = (obj.attrib.bullet) ? ("●  " ~ _txt) : _txt;
+        _txt = inline_markup(doc_matters, obj, _txt);
+        string o = format(q"┃

+          %s
+        
┃",
+            obj.metainfo.is_a,
+            obj.attrib.indent_hang,
+            obj.attrib.indent_base,
+            _txt
+          );
+        return o;
+      }
+      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"┃

+          %s
+        
┃",
+            obj.metainfo.is_a,
+            _txt
+          );
+        return o;
+      }
+      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);
+        _txt = inline_markup(doc_matters, obj, _txt);
+        string o = format(q"┃

+          %s
+        
┃",
+            obj.metainfo.is_a,
+            _txt
+          );
+        return o;
+      }
+      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);
+        _txt = inline_markup(doc_matters, obj, _txt);
+        string o = format(q"┃
+        
%s
┃",
+            obj.metainfo.is_a,
+            _txt.stripRight
+          );
+        return o;
+      }
+      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"┃
%s
┃",
+            obj.metainfo.is_a,
+            _txt
+          );
+        return o;
+      }
+      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"┃
%s
┃",
+            obj.metainfo.is_a,
+            _txt
+          );
+        return o;
+      }
+      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");
+        Tuple!(string, string) _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 ~= "";
+              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 ~= "";
+                }
+              }
+              _table ~= "";
+            }
+          Tuple!(string, string) t = tuple(
+            _table,
+            _tablenote,
+          );
+          return t;
+        }
+        string _txt = munge_html(doc_matters, obj);
+        Tuple!(string, string) t = _tablarize(obj, _txt);
+        _txt = t[0];
+        string _note = t[1];
+        string o = format(q"┃

+          
+            %s
+          

+          %s
+        
┃",
+          obj.metainfo.is_a,
+          _txt,
+          _note
+        );
+        return o;
+      }
+      string sqlite_load_string(M,O)(
+              M   doc_matters,
+        const O   obj,
+      ) {
+        string o;
+        return o;
+      }
+      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;
+      }
+      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_sqlite) {
+            debug(sql_txt) {
+              writeln(obj_txt["text"]);
+            }
+            debug(sql_html) {
+              writeln(obj_txt["html"]);
+            }
+          } else {
+            // load sql
+          }
+        }
+        return obj_txt;
+      }
+      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_sqlite) {
+            debug(sql_txt) {
+              writeln(obj_txt["text"]);
+            }
+            debug(sql_html) {
+              writeln(obj_txt["html"]);
+            }
+          } else {
+            // load sql
+          }
+        }
+        return obj_txt;
+      }
+      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_sqlite) {
+            debug(sql_txt) {
+              writeln(obj_txt["text"]);
+            }
+            debug(sql_html) {
+              writeln(obj_txt["html"]);
+            }
+          } else {
+            // load sql
+          }
+        }
+        return obj_txt;
+      }
+      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_sqlite) {
+            debug(sql_txt) {
+              writeln(obj_txt["text"]);
+            }
+            debug(sql_html) {
+              writeln(obj_txt["html"]);
+            }
+          } else {
+            // load sql
+          }
+        }
+        return obj_txt;
+      }
+      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_sqlite) {
+            debug(sql_txt) {
+              writeln(obj_txt["text"]);
+            }
+            debug(sql_html) {
+              writeln(obj_txt["html"]);
+            }
+          } else {
+            // load sql
+          }
+        }
+        return obj_txt;
+      }
+      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_sqlite) {
+            debug(sql_txt) {
+              writeln(obj_txt["text"]);
+            }
+            debug(sql_html) {
+              writeln(obj_txt["html"]);
+            }
+          } else {
+            // load sql
+          }
+        }
+        return obj_txt;
+      }
+      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_sqlite) {
+            debug(sql_txt) {
+              writeln(obj_txt["text"]);
+            }
+            debug(sql_html) {
+              writeln(obj_txt["html"]);
+            }
+          } else {
+            // load sql
+          }
+        }
+        return obj_txt;
+      }
+      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_sqlite) {
+            debug(sql_txt) {
+              writeln(obj_txt["text"]);
+            }
+            debug(sql_html) {
+              writeln(obj_txt["html"]);
+            }
+          } else {
+            // load sql
+          }
+        }
+        return obj_txt;
+      }
+    }
+    return sqlite_format_and_load_objects();
+  }
+}
+template SQLiteTablesReCreate() {
+  string SQLiteTablesReCreate()() {
+    string _sql_instruct;
+    _sql_instruct = format(q"┃
+      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_author;
+      DROP INDEX IF EXISTS src_filename_base;
+      DROP INDEX IF EXISTS idx_language_document_char;
+      DROP INDEX IF EXISTS idx_classify_topic_register;
+      DROP INDEX IF EXISTS idx_topic_list;
+      DROP TABLE IF EXISTS metadata_and_text;
+      DROP TABLE IF EXISTS topic_register;
+      DROP TABLE IF EXISTS doc_objects;
+      DROP TABLE IF EXISTS urls;
+      CREATE TABLE IF NOT EXISTS 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_last_first        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_base                VARCHAR(256)  NOT NULL,
+        src_filename_suffix              VARCHAR(6)    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
+      );
+      CREATE TABLE IF NOT EXISTS 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                   VARCHAR(250)  NOT 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
+      );
+      CREATE TABLE IF NOT EXISTS 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_descendant                  VARCHAR(16)       NULL, -- headings only
+        digest_clean                     CHAR(256),
+        digest_all                       CHAR(256),
+        seg_name                         CHAR(256),
+        types                            CHAR(1)           NULL
+      );
+      CREATE INDEX IF NOT EXISTS idx_ocn          ON doc_objects(ocn);
+      CREATE INDEX IF NOT EXISTS idx_digest_clean ON doc_objects(digest_clean);
+      CREATE INDEX IF NOT EXISTS idx_digest_all   ON doc_objects(digest_all);
+      CREATE INDEX IF NOT EXISTS idx_clean        ON doc_objects(clean);
+      CREATE INDEX IF NOT EXISTS idx_title        ON metadata_and_text(title);
+      CREATE INDEX IF NOT EXISTS idx_author       ON metadata_and_text(creator_author_last_first);
+      CREATE INDEX IF NOT EXISTS idx_uid          ON metadata_and_text(uid);
+      CREATE INDEX IF NOT EXISTS idx_filename     ON metadata_and_text(src_filename_base);
+      CREATE INDEX IF NOT EXISTS idx_language     ON metadata_and_text(language_document_char);
+      CREATE INDEX IF NOT EXISTS idx_topics       ON metadata_and_text(classify_topic_register);
+      CREATE INDEX IF NOT EXISTS idx_topic_list   ON topic_register(topic_register);
+    ┃",);
+    return _sql_instruct;
+  }
+}
+template SQLiteDeleteDocument() {
+  string SQLiteDeleteDocument(M)(
+    M doc_matters,
+  ) {
+    string _uid = doc_matters.src.doc_uid;
+    string _delete_uid = format(q"┃
+    DELETE FROM metadata_and_text
+    WHERE uid = '%s';
+    DELETE FROM doc_objects
+    WHERE uid_metadata_and_text = '%s';
+    ┃",
+      _uid,
+      _uid,
+    );
+    return _delete_uid;
+  }
+}
+template SQLiteInsertMetadata() {
+  string SQLiteInsertMetadata(M)(
+    M doc_matters,
+  ) {
+    string _uid = SQLinsertDelimiter!()(doc_matters.src.doc_uid);
+    string _insert_metadata = format(q"┃
+      INSERT INTO metadata_and_text (
+        uid,
+        src_filename_base,
+        src_filename_suffix,
+        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_last_first,
+        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
+      )
+      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', '%s', '%s'
+      );
+    ┃",
+      _uid,
+      SQLinsertDelimiter!()(doc_matters.src.filename_base),
+      SQLinsertDelimiter!()(doc_matters.src.filename_extension),
+      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_surname_fn),
+      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.w_srv_data_root_url_html)
+    );
+    return _insert_metadata;
+  }
+}
+template SQLiteInsertMetadataTopics() {
+  string SQLiteInsertMetadataTopics(M)(
+    M doc_matters,
+  ) {
+    string _uid = SQLinsertDelimiter!()(doc_matters.src.doc_uid);
+    string[] _insert_topics;
+    foreach (topic_line; doc_matters.conf_make_meta.meta.classify_topic_register_expanded_arr) {
+      // writeln(topic_line);
+      _insert_topics ~= format(q"┃
+        INSERT INTO topic_register (
+          uid_metadata_and_text,
+          topic_register
+        )
+        VALUES (
+          '%s',
+          '%s'
+        );
+      ┃",
+        _uid,
+        SQLinsertDelimiter!()(topic_line)
+      );
+    }
+    return _insert_topics.join.to!(char[]).toUTF8;
+  }
+}
+template SQLiteInsertDocObjectsLoop() {
+  string SQLiteInsertDocObjectsLoop(D,M)(
+    const D    doc_abstraction,
+          M    doc_matters,
+  ) {
+    string _uid = SQLinsertDelimiter!()(doc_matters.src.doc_uid);
+    auto url_html = spineUrlsHTML!()(doc_matters.conf_make_meta.conf.w_srv_data_root_url_html, doc_matters.src.language);
+    string insertDocObjectsRow(O)(O obj) {
+      string _insert_doc_objects_row = format(q"┃
+        INSERT INTO doc_objects (
+          uid_metadata_and_text,
+          ocn,
+          obj_id,
+          clean,
+          body,
+          lev,
+          is_of_type,
+          is_a,
+          seg_name
+        )
+        VALUES (
+          '%s', %s, '%s', '%s', '%s', %s, '%s', '%s', '%s'
+        );
+      ┃",
+        _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,
+        obj.tags.html_segment_anchor_tag_is
+      );
+      return _insert_doc_objects_row;
+    }
+    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_sqlite) {
+                  writeln(__FILE__, ":", __LINE__, ": ", obj.metainfo.is_a);
+                }
+              }
+              break;
+            }
+            break;
+          default:
+            { /+ debug +/
+              if (doc_matters.opt.action.debug_do_sqlite) {
+                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_sqlite) {
+                  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_sqlite) {
+                  writeln(__FILE__, ":", __LINE__, ": ", obj.metainfo.is_a);
+                }
+              }
+              break;
+            }
+            break;
+          default:
+            { /+ debug +/
+              if (doc_matters.opt.action.debug_do_sqlite) {
+                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_sqlite) {
+                  writeln(__FILE__, ":", __LINE__, ": ", obj.metainfo.is_a);
+                }
+              }
+              break;
+            }
+            break;
+          default:
+            { /+ debug +/
+              if (doc_matters.opt.action.debug_do_sqlite) {
+                writeln(__FILE__, ":", __LINE__, ": ", obj.metainfo.is_of_type);
+              }
+            }
+            break;
+          }
+          break;
+        case "comment":
+          break;
+        default:
+          { /+ debug +/
+            if (doc_matters.opt.action.debug_do_sqlite) {
+              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.show_sqlite) {
+            if (obj.metainfo.heading_lev_markup == 0) {
+              writeln(doc_matters.src.filename);
+            }
+            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;
+  }
+}
+template SQLiteTablesCreate() {
+  void SQLiteTablesCreate(E,O,C)(E env, O opt_action, C config) {
+    import d2sqlite3;
+    template SQLiteTablesReCreate() {
+      string SQLiteTablesReCreate()() {
+        string _sql_instruct;
+        _sql_instruct = format(q"┃
+          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_author;
+          DROP INDEX IF EXISTS src_filename_base;
+          DROP INDEX IF EXISTS idx_language_document_char;
+          DROP INDEX IF EXISTS idx_classify_topic_register;
+          DROP INDEX IF EXISTS idx_topic_list;
+          DROP TABLE IF EXISTS metadata_and_text;
+          DROP TABLE IF EXISTS topic_register;
+          DROP TABLE IF EXISTS doc_objects;
+          DROP TABLE IF EXISTS urls;
+          CREATE TABLE IF NOT EXISTS 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_last_first        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_base                VARCHAR(256)  NOT NULL,
+            src_filename_suffix              VARCHAR(6)    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
+          );
+          CREATE TABLE IF NOT EXISTS 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                   VARCHAR(250)  NOT 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
+          );
+          CREATE TABLE IF NOT EXISTS 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_descendant                  VARCHAR(16)       NULL, -- headings only
+            digest_clean                     CHAR(256),
+            digest_all                       CHAR(256),
+            seg_name                         CHAR(256),
+            types                            CHAR(1)           NULL
+          );
+          CREATE INDEX IF NOT EXISTS idx_ocn          ON doc_objects(ocn);
+          CREATE INDEX IF NOT EXISTS idx_digest_clean ON doc_objects(digest_clean);
+          CREATE INDEX IF NOT EXISTS idx_digest_all   ON doc_objects(digest_all);
+          CREATE INDEX IF NOT EXISTS idx_clean        ON doc_objects(clean);
+          CREATE INDEX IF NOT EXISTS idx_title        ON metadata_and_text(title);
+          CREATE INDEX IF NOT EXISTS idx_author       ON metadata_and_text(creator_author_last_first);
+          CREATE INDEX IF NOT EXISTS idx_uid          ON metadata_and_text(uid);
+          CREATE INDEX IF NOT EXISTS idx_filename     ON metadata_and_text(src_filename_base);
+          CREATE INDEX IF NOT EXISTS idx_language     ON metadata_and_text(language_document_char);
+          CREATE INDEX IF NOT EXISTS idx_topics       ON metadata_and_text(classify_topic_register);
+          CREATE INDEX IF NOT EXISTS idx_topic_list   ON topic_register(topic_register);
+        ┃",);
+        return _sql_instruct;
+      }
+    }
+    try {
+      if (opt_action.sqlite_db_create) {
+        string _db_statement;
+        string db_filename = (opt_action.sqliteDB_filename.length > 0)
+        ? opt_action.sqliteDB_filename
+        : (config.conf.w_srv_db_sqlite_filename.length > 0)
+          ? config.conf.w_srv_db_sqlite_filename
+          : "";
+        string db_path = (opt_action.sqliteDB_path.length > 0)
+        ? opt_action.sqliteDB_path
+        : (config.conf.w_srv_db_sqlite_path.length > 0)
+          ? config.conf.w_srv_db_sqlite_path
+          : "";
+        if (db_filename.length > 0 && db_path.length > 0) {
+          if (opt_action.vox_gt2) {
+            writeln("db name: ", db_filename);
+            writeln("db path: ", db_path);
+            writeln("db name & path: ", db_path, "/", db_filename);
+          }
+          if (opt_action.vox_gt1) {
+            writeln("attempting to create db: ", db_path, "/", db_filename);
+          }
+          auto pth_sqlite = spinePathsSQLite!()(db_filename, db_path);
+          if ((isValidPath(pth_sqlite.base) && exists(pth_sqlite.base) != 0 && pth_sqlite.base.isDir)) {
+          } else {
+            try {
+              pth_sqlite.base.mkdirRecurse;
+            } catch (FileException ex) { }
+          }
+          auto db = Database(pth_sqlite.sqlite_file);
+          {
+            _db_statement ~= SQLiteTablesReCreate!()();
+          }
+          SQLiteDbRun!()(db, _db_statement, opt_action, "TABLE RE-CREATE");
+        } else {
+          writeln("must provide db name & output root path either on the command line or in configuration file");
+          writeln("db name: ", db_filename);
+          writeln("db path: ", db_path);
+        }
+      }
+    }
+    catch (FileException e) {
+      writeln("Failed (FileException): ", e.msg);
+      writeln(e.file, " line: ", e.line);
+      import core.runtime;
+      core.runtime.Runtime.terminate();
+    }
+    catch (ErrnoException e) {
+      writeln("Failed (ErrnoException):  ", e.msg);
+      writeln(e.file, " line: ", e.line);
+      import core.runtime;
+      core.runtime.Runtime.terminate();
+    }
+    catch (Exception e) {
+      writeln("Failed (Exception): ", e.msg);
+      writeln(e.file, " line: ", e.line);
+      import core.runtime;
+      core.runtime.Runtime.terminate();
+    }
+    catch (Throwable) {
+      import core.runtime;
+      core.runtime.Runtime.terminate();
+    }
+  }
+}
+template SQLiteDbDrop() {
+  void SQLiteDbDrop(O,C)(O opt_action, C config) {
+    writeln("db drop");
+    if ((opt_action.sqlite_db_drop)) {
+      string db_filename = (opt_action.sqliteDB_filename.length > 0)
+      ? opt_action.sqliteDB_filename
+      : (config.conf.w_srv_db_sqlite_filename.length > 0)
+        ? config.conf.w_srv_db_sqlite_filename
+        : "";
+      string db_path = (opt_action.sqliteDB_path.length > 0) //
+      ? opt_action.sqliteDB_path
+      : (config.conf.w_srv_db_sqlite_path.length > 0)
+        ? config.conf.w_srv_db_sqlite_path
+        : "";
+      if (db_filename.length > 0 && db_path.length > 0) {
+        auto pth_sqlite = spinePathsSQLite!()(db_filename, db_path);
+        writeln("remove(", pth_sqlite.sqlite_file, ")");
+        try {
+          remove(pth_sqlite.sqlite_file);
+        } catch (FileException ex) {
+          // handle error
+        }
+      } else {
+        writeln("must provide db name & output root path either on the command line or in configuration file");
+        writeln("db name: ", db_filename);
+        writeln("db path: ", db_path);
+      }
+    }
+  }
+}
diff --git a/src/sisudoc/io_out/xmls.d b/src/sisudoc/io_out/xmls.d
new file mode 100644
index 0000000..c268bb7
--- /dev/null
+++ b/src/sisudoc/io_out/xmls.d
@@ -0,0 +1,1424 @@
+/+
+- Name: SisuDoc Spine, Doc Reform [a part of]
+  - Description: documents, structuring, processing, publishing, search
+    - static content generator
+
+  - Author: Ralph Amissah
+    [ralph.amissah@gmail.com]
+
+  - Copyright: (C) 2015 - 2024 Ralph Amissah, All Rights Reserved.
+
+  - License: AGPL 3 or later:
+
+    Spine (SiSU), a framework for document structuring, publishing and
+    search
+
+    Copyright (C) Ralph Amissah
+
+    This program is free software: you can redistribute it and/or modify it
+    under the terms of the GNU AFERO General Public License as published by the
+    Free Software Foundation, either version 3 of the License, or (at your
+    option) any later version.
+
+    This program is distributed in the hope that it will be useful, but WITHOUT
+    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+    FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+    more details.
+
+    You should have received a copy of the GNU General Public License along with
+    this program. If not, see [https://www.gnu.org/licenses/].
+
+    If you have Internet connection, the latest version of the AGPL should be
+    available at these locations:
+    [https://www.fsf.org/licensing/licenses/agpl.html]
+    [https://www.gnu.org/licenses/agpl.html]
+
+  - Spine (by Doc Reform, related to SiSU) uses standard:
+    - docReform markup syntax
+      - standard SiSU markup syntax with modified headers and minor modifications
+    - docReform object numbering
+      - standard SiSU object citation numbering & system
+
+  - Homepages:
+    [https://www.sisudoc.org]
+    [https://www.doc-reform.org]
+
+  - Git
+    [https://git.sisudoc.org/]
+
++/
+module sisudoc.io_out.xmls;
+@safe:
+template outputXHTMLs() {
+  import
+    std.file,
+    std.outbuffer,
+    std.uri,
+    std.conv : to;
+  import
+    sisudoc.io_out,
+    sisudoc.io_out.rgx,
+    sisudoc.meta.rgx_files,
+    sisudoc.io_out.rgx_xhtml,
+    sisudoc.io_out.create_zip_file,
+    sisudoc.io_out.xmls,
+    sisudoc.io_out.xmls_css;
+  mixin spineRgxOut;
+  mixin spineRgxXHTML;
+  struct outputXHTMLs {
+    static auto rgx = RgxO();
+    static auto rgx_xhtml = RgxXHTML();
+    string div_delimit(
+                 string  section,
+      return ref string  previous_section
+    ) {
+      string delimit = "";
+      string delimit_ = "";
+      if (section != previous_section) {
+        switch (section) {
+        case "head":
+          delimit_ ~= "\n
\n" ;
+          break;
+        case "toc":
+          delimit_ ~= "\n
\n" ;
+          break;
+        case "bookindex":
+          delimit_ ~= "\n
\n" ;
+          break;
+        default:
+          delimit_ ~= "\n
\n" ;
+          break;
+        }
+        if (previous_section.length > 0) {
+          delimit ~= "\n
";
+        }
+        previous_section = section;
+        delimit ~=  delimit_;
+      }
+      // you also need to close the last div, introduce a footer?
+      return delimit;
+    }
+    string special_characters_text(string _txt) {
+      _txt = _txt
+        .replaceAll(rgx_xhtml.ampersand,    "&")  // "&"
+        .replaceAll(rgx_xhtml.quotation,    """) // """
+        .replaceAll(rgx_xhtml.less_than,    "<")   // "<"
+        .replaceAll(rgx_xhtml.greater_than, ">")   // ">"
+        .replaceAll(rgx.br_line,            "
")
+        .replaceAll(rgx.br_line_inline,     "
")
+        .replaceAll(rgx.br_line_spaced,     "
\n
")
+        .replaceAll(rgx.nbsp_char,          " ");
+      return _txt;
+    }
+    string special_characters_date(string _txt) {
+      _txt = _txt
+        .replaceAll(regex(r"(?:-00)+"),     "")
+        .replaceAll(rgx.br_line,            "
")
+        .replaceAll(rgx.br_line_inline,     "
")
+        .replaceAll(rgx.br_line_spaced,     "
\n
")
+        .replaceAll(rgx.nbsp_char,          " ");
+      return _txt;
+    }
+    string special_characters_breaks_indents_bullets(O)(
+      const  O         obj,
+    ) {
+      string _txt = special_characters_text(obj.text);
+      if (obj.metainfo.is_a == "group") {
+        _txt = (_txt)
+          .replaceAll(rgx.grouped_para_indent_1,
+            "  ")
+          .replaceAll(rgx.grouped_para_indent_2,
+            "    ")
+          .replaceAll(rgx.grouped_para_indent_3,
+            "      ")
+          .replaceAll(rgx.grouped_para_indent_4,
+            "        ")
+          .replaceAll(rgx.grouped_para_indent_5,
+            "          ")
+          .replaceAll(rgx.grouped_para_indent_6,
+            "            ")
+          .replaceAll(rgx.grouped_para_indent_7,
+            "              ")
+          .replaceAll(rgx.grouped_para_indent_8,
+            "                ")
+          .replaceAll(rgx.grouped_para_indent_9,
+            "                  ")
+          .replaceAll(rgx.grouped_para_indent_hang,      "  ")
+          .replaceAll(rgx.grouped_para_bullet,           "●  ")
+          .replaceAll(rgx.grouped_para_bullet_indent_1,
+            "  ●  ")
+          .replaceAll(rgx.grouped_para_bullet_indent_2,
+            "    ●  ")
+          .replaceAll(rgx.grouped_para_bullet_indent_3,
+            "      ●  ")
+          .replaceAll(rgx.grouped_para_bullet_indent_4,
+            "        ●  ")
+          .replaceAll(rgx.grouped_para_bullet_indent_5,
+            "          ●  ")
+          .replaceAll(rgx.grouped_para_bullet_indent_6,
+            "            ●  ")
+          .replaceAll(rgx.grouped_para_bullet_indent_7,
+            "              ●  ")
+          .replaceAll(rgx.grouped_para_bullet_indent_8,
+            "                ●  ")
+          .replaceAll(rgx.grouped_para_bullet_indent_9,
+            "                  ●  ");
+      }
+      if (!(obj.metainfo.is_a == "code")) {
+        _txt = (_txt)
+          .replaceAll(rgx_xhtml.line_break,   "
");
+      }
+      return _txt;
+    }
+    string font_face(string _txt) {
+      _txt = _txt
+        .replaceAll(rgx.inline_emphasis,    ("$1"))
+        .replaceAll(rgx.inline_bold,        ("$1"))
+        .replaceAll(rgx.inline_underscore,  ("$1"))
+        .replaceAll(rgx.inline_italics,     ("$1"))
+        .replaceAll(rgx.inline_superscript, ("$1"))
+        .replaceAll(rgx.inline_subscript,   ("$1"))
+        .replaceAll(rgx.inline_strike,      ("$1"))
+        .replaceAll(rgx.inline_insert,      ("$1"))
+        .replaceAll(rgx.inline_mono,        ("$1"))
+        .replaceAll(rgx.inline_cite,        ("$1"));
+      return _txt;
+    }
+    string _xhtml_anchor_tags(O)(O obj) {
+      string tags="";
+      if (obj.tags.anchor_tags.length > 0) {
+        foreach (tag; obj.tags.anchor_tags) {
+          if (!(tag.empty)) {
+            tags ~= "";
+          }
+        }
+      }
+      return tags;
+    }
+    string header_metadata(M)(
+      M  doc_matters,
+    ) {
+      string _publisher="Publisher"; // TODO
+      string o;
+      o = format(q"┃
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    ┃",
+        special_characters_text(doc_matters.conf_make_meta.meta.title_full),
+        special_characters_text(doc_matters.conf_make_meta.meta.creator_author),
+        _publisher,
+        special_characters_date(doc_matters.conf_make_meta.meta.date_published),
+        special_characters_text(doc_matters.conf_make_meta.meta.date_created),
+        special_characters_text(doc_matters.conf_make_meta.meta.date_issued),
+        special_characters_text(doc_matters.conf_make_meta.meta.date_available),
+        special_characters_text(doc_matters.conf_make_meta.meta.date_valid),
+        special_characters_text(doc_matters.conf_make_meta.meta.date_modified),
+        doc_matters.src.language,
+        special_characters_text(doc_matters.conf_make_meta.meta.rights_copyright),
+        doc_matters.opt.action.generated_by ? special_characters_text(doc_matters.generator_program.name_and_version) : "",
+        special_characters_text(doc_matters.generator_program.url_home),
+      );
+      return o;
+    }
+    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,
+            ("
$1
"))
+          .replaceAll(
+            rgx.br_line, "")
+          .replaceAll(
+            rgx.br_line_inline, "");
+      } else {
+         _locations = "
spine
\n
sources / git
\n
www.sisudoc.org
";
+      }
+      string o;
+      o = format(q"┃

+          %s
+        
┃",
+        _locations,
+      );
+      return o;
+    }
+    string inline_search_form(M)(
+      M  doc_matters,
+    ) {
+      string o;
+      string _form;
+      if (doc_matters.opt.action.html_link_search) {
+        o = format(q"┃
+        

+          
+          

+            %s
+          %s
+          
+          
+          
+          
+          
+          

+          
+        

+        

+          
+          

+            
+          %s
+          
+          
+          
+          
+          
+          
+          

+          
+        
┃",
+        doc_matters.conf_make_meta.conf.w_srv_cgi_action,
+        (doc_matters.conf_make_meta.conf.w_srv_db_sqlite_filename.empty)
+          ? ""
+          : "\n    🔎 ",
+        (doc_matters.conf_make_meta.conf.w_srv_db_sqlite_filename.empty)
+          ? ""
+          : "\n    ",
+        doc_matters.src.filename_base,
+        doc_matters.conf_make_meta.conf.w_srv_cgi_action,
+        (doc_matters.conf_make_meta.conf.w_srv_db_sqlite_filename.empty)
+          ? ""
+          : "\n    ",
+        doc_matters.src.filename_base,
+        );
+      } else {
+        o = "";
+      }
+      return o;
+    }
+    string html_head(M)(
+      M  doc_matters,
+      string type,
+    ) {
+      string o;
+      string metadata_links = ((doc_matters.opt.action.html_link_curate)
+        ? format(q"┃
⟰  [ %s  ◆ %s%s ℹ ]   ≅ | 🖋 | ⌘ |
┃",
+            (doc_matters.opt.action.webserver_url_doc_root.length > 0)
+              ? doc_matters.opt.action.webserver_url_doc_root
+              : doc_matters.conf_make_meta.conf.w_srv_data_root_url
+              , // HOME index.html equivalent _cfg.www_url_doc_root,
+            (type == "seg")
+              ? "../" ~ doc_matters.src.filename_base ~ ".html"
+              : "./" ~ doc_matters.src.filename_base ~ "/toc.html",
+            (type == "seg") ? "▤" : "※",
+            (type == "seg") ? "../../" : "../",
+            doc_matters.src.filename_base,
+            doc_matters.src.lng,
+            (doc_matters.opt.action.html_link_pdf || doc_matters.opt.action.html_link_pdf_a4)
+            ? (" □ ")
+            : "",
+            (doc_matters.opt.action.html_link_pdf || doc_matters.opt.action.html_link_pdf_letter)
+            ? (" □ ")
+            : "",
+            (type == "seg") ? "../" : "",
+            doc_matters.src.filename_base,
+            (type == "seg") ? "../" : "",
+            (type == "seg") ? "../" : "",
+            (type == "seg") ? "../" : "",
+          )
+        : "");
+      o = format(q"┃
+    
+    
+      
+      
+        %s%s
+      
+      
+      %s
+      
+      
+      
+      
+    
+    
+    
+    

+      

+        %s
+        

+          %s
+        
%s
+      

+    
┃",
+        special_characters_text(doc_matters.conf_make_meta.meta.title_full),
+        (doc_matters.conf_make_meta.meta.creator_author.empty) ? ""
+          : ", " ~ special_characters_text(doc_matters.conf_make_meta.meta.creator_author),
+        header_metadata(doc_matters),
+        ((type == "seg") ? "../" : ""),
+        ((type == "seg")
+          ? "../../../css/html_seg.css"
+          : "../../css/html_scroll.css"),
+        doc_matters.src.language,
+        site_info_button(doc_matters),
+        metadata_links,
+        inline_search_form(doc_matters),
+      );
+      return o;
+    }
+    string epub3_seg_head(M)(
+      M  doc_matters,
+    ) {
+      string html_base = format(q"┃
+    ┃",
+    );
+      string html_simple = format(q"┃
+    ┃",
+        doc_matters.src.language,
+        doc_matters.src.language,
+      );
+      string html_strict = format(q"┃
+    ┃",
+        doc_matters.src.language,
+        doc_matters.src.language,
+      );
+      string o;
+      o = format(q"┃%s
+    
+      
+        %s%s
+      
+      
+      
+      
+      
+      
+      
+      
+      
+      
+      
+      
+      
+      
+      
+      
+      
+    
+    
+    ┃",
+        html_simple,
+        special_characters_text(doc_matters.conf_make_meta.meta.title_full),
+        (doc_matters.conf_make_meta.meta.creator_author.empty) ? ""
+          : ", " ~ special_characters_text(doc_matters.conf_make_meta.meta.creator_author),
+        special_characters_text(doc_matters.conf_make_meta.meta.title_full),
+        (doc_matters.conf_make_meta.meta.creator_author.empty) ? ""
+          : ", " ~ special_characters_text(doc_matters.conf_make_meta.meta.creator_author),
+        special_characters_date(doc_matters.conf_make_meta.meta.date_published),
+        special_characters_text(doc_matters.conf_make_meta.meta.date_created),
+        special_characters_text(doc_matters.conf_make_meta.meta.date_issued),
+        special_characters_text(doc_matters.conf_make_meta.meta.date_available),
+        special_characters_text(doc_matters.conf_make_meta.meta.date_valid),
+        special_characters_text(doc_matters.conf_make_meta.meta.date_modified),
+        doc_matters.src.language,
+        special_characters_text(doc_matters.conf_make_meta.meta.rights_copyright),
+        special_characters_text(doc_matters.generator_program.name_and_version),
+        special_characters_text(doc_matters.generator_program.url_home),
+        doc_matters.src.language,
+      );
+      return o;
+    }
+string dom_close() {
+  string o;
+  o = format(q"┃
┃");
+  return o;
+}
+string tail(M)(M doc_matters) {
+  string o;
+  o = format(q"┃

+  

+    
+  

+  %s
+  

+    

+      %s
+    

+  

+  

+  

+    

+      ≅ SiSU Spine ፨ (object numbering & object search)
+    

+    

+      (web 1993, object numbering 1997, object search 2002 ...) 2024
+    

+  

+  
+  
+
+
+┃",
+    special_characters_text(doc_matters.conf_make_meta.meta.rights_copyright),
+    ((doc_matters.conf_make_meta.meta.rights_license).empty) ? "" : "
",
+    ((doc_matters.conf_make_meta.meta.rights_license).empty) ? ""
+      : "License: " ~ special_characters_text(doc_matters.conf_make_meta.meta.rights_license)
+  );
+  return o;
+}
+    string inline_images(O,M)(
+      string          _txt,
+      const        O  obj,
+                   M  doc_matters,
+      string          _suffix    = ".html",
+      string          _xml_type = "seg",
+    ) {
+      string _img_pth;
+      switch (_xml_type) {
+      case "epub":   _img_pth = "image/";                           break;
+      case "scroll": _img_pth = format(q"┃%s/image/┃", "../..");    break;
+      case "seg":    _img_pth = format(q"┃%s/image/┃", "../../.."); break;
+      default:                                                      break;
+      }
+      if (_txt.match(rgx.inline_image)) {
+        _txt = _txt
+          .replaceAll(rgx.inline_image,
+            ("$1 $6"))
+          .replaceAll(
+            rgx.inline_link_empty,
+            ("$1"));
+      }
+      return _txt;
+    }
+    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_lv1to4" : "seg_lv4";
+          foreach (m; _txt.match(rgx.inline_link_hash)) {
+            if (m.captures["hash"] in doc_matters.has.tag_associations) {
+              if (
+                m.captures["hash"]
+                == doc_matters.has.tag_associations[(m.captures["hash"])][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["hash"])][seg_lvs]
+                  ~ _suffix ~ "#" ~ "$3"
+                  ~ "├"
+                );
+              }
+            } else {
+              if (doc_matters.opt.action.vox_gt0) {
+                writeln(
+                  "WARNING on internal document links, anchor to link <<"
+                   ~ m.captures["hash"]
+                   ~ ">> not found in document, "
+                   ~ "anchor: " ~ m.captures["hash"]
+                   ~ " document: " ~ doc_matters.src.filename
+                );
+              }
+            }
+          }
+        }
+        _txt = _txt
+          .replaceAll(
+            rgx.inline_link_fn_suffix,
+            ("$1" ~ _suffix))
+          .replaceAll(
+            rgx.inline_link,
+            ("$1"))
+          .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;
+    }
+    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,
+          (" $1 ")
+        );
+      }
+      if (obj.has.inline_notes_star) {
+        _txt = font_face(_txt);
+        _txt = _txt.replaceAll(
+          rgx.inline_notes_al_special_char_note,
+          (" $1 ")
+        );
+      }
+      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;
+    }
+    Tuple!(string, string[]) 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 %s\n%s",
+            "
",
+            "",
+            " ",
+            m.captures[1],
+            ".",
+            m.captures[2],
+            "
"
+          );
+        }
+        _txt = _txt.replaceAll(
+          rgx.inline_notes_al_special_char_note,
+          (" $1 ")
+        );
+      }
+      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 %s\n%s",
+            "
",
+            "",
+            " ",
+            m.captures[1],
+            ".",
+            m.captures[2],
+            "
"
+          );
+        }
+        _txt = _txt.replaceAll(
+          rgx.inline_notes_al_regular_number_note,
+          (" $1 ")
+        );
+      } else if (_txt.match(rgx.inline_notes_al_regular_number_note)) {
+        debug(markup) {
+          writeln(__LINE__, " endnote: ", obj.metainfo.is_a, ": ", obj.text);
+        }
+      }
+      Tuple!(string, string[]) t = tuple(
+        _txt,
+        _endnotes,
+      );
+      return t;
+    }
+    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;
+    }
+    Tuple!(string, string[]) 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
+      }
+      Tuple!(string, string[]) t = inline_notes_seg(_txt, obj, doc_matters);
+      return t;
+    }
+    string lev4_heading_subtoc(O,M)(
+      const        O  obj,
+                   M  doc_matters,
+    ) {
+      char[] lev4_subtoc;
+      lev4_subtoc ~= "  
\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"┃    

+          ۰ %s
+        

+    ┃",
+              indent,
+              indent,
+              link,
+              text,
+          ));
+        }
+      }
+      lev4_subtoc ~= "  
\n";
+      return lev4_subtoc.to!string;
+    }
+    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"┃
+              

+                
+                  
+                
+              

+            ┃",
+        );
+      }
+      if (obj.tags.segname_prev == "") {
+        prev = "";
+      } else {
+        prev = format(q"┃
+              
+            ┃",
+          obj.tags.segname_prev,
+        );
+      }
+      if (obj.tags.segname_next == "") {
+        next = "";
+      } else {
+        next = format(q"┃
+              
+            ┃",
+          obj.tags.segname_next,
+        );
+      }
+      string _toc_pre_next = format(q"┃    

+      %s
+      %s
+      %s
+    
┃",
+        toc,
+        prev,
+        next,
+      );
+      string _pre_next = format(q"┃    

+      %s
+      %s
+    
┃",
+        prev,
+        next,
+      );
+      struct bar {
+        string toc_pre_next() {
+          return _toc_pre_next;
+        }
+        string pre_next() {
+          return _pre_next;
+        }
+      }
+      return bar();
+    }
+    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 = "
";
+      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)
+        ? ""
+        : "";
+      if (_txt.empty) {
+        o = format(q"┃%s
+      ┃",
+        _horizontal_rule,
+        );
+      } else {
+        o = "";
+        if (obj.metainfo.is_of_section == "toc") {
+          o ~= format(q"┃
+      

+        
+        
+      
┃",
+            special_characters_text(doc_matters.conf_make_meta.meta.rights_copyright),
+            special_characters_text(doc_matters.conf_make_meta.meta.rights_license)
+          );
+        }
+      }
+        if (!(obj.metainfo.identifier.empty)) {
+          o ~= format(q"┃%s
+      

+        
+        %s%s
+          %s
+        
+      
┃",
+            _horizontal_rule,
+            obj.metainfo.identifier,
+            (doc_matters.opt.action.ocn_off)
+              ? "" : ((obj.metainfo.object_number.empty)
+                ? "" : obj.metainfo.identifier),
+            ((_xml_type == "epub" && obj.metainfo.heading_lev_markup == 0) ? 1
+            : obj.metainfo.heading_lev_markup),
+            obj.metainfo.is_a,
+            obj.metainfo.identifier,
+            obj.metainfo.identifier,
+            tags,
+            heading_lev_anchor_tag,
+            _txt,
+            ((_xml_type == "epub" && obj.metainfo.heading_lev_markup == 0) ? 1
+            : obj.metainfo.heading_lev_markup),
+          );
+        } else {
+          o ~= format(q"┃%s
+      

+        %s%s
+          %s
+        
+      
┃",
+            _horizontal_rule,
+            ((_xml_type == "epub" && obj.metainfo.heading_lev_markup == 0) ? 1
+            : obj.metainfo.heading_lev_markup),
+            obj.metainfo.is_a,
+            tags,
+            heading_lev_anchor_tag,
+            _txt,
+            ((_xml_type == "epub" && obj.metainfo.heading_lev_markup == 0) ? 1
+            : obj.metainfo.heading_lev_markup),
+          );
+        }
+      return o;
+    }
+    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;
+    }
+    Tuple!(string, string[]) heading_seg(O,M)(
+      string          _txt,
+      const        O  obj,
+                   M  doc_matters,
+      string          _suffix = ".html",
+      string          _xml_type = "html",
+    ) {
+      Tuple!(string, string[]) 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);
+      Tuple!(string, string[]) u = tuple(
+        o,
+        _endnotes,
+      );
+      return u;
+    }
+    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" || "endnote" || "glossary" || "bibliography" || "bookindex" || "blurb");
+      string tags = _xhtml_anchor_tags(obj);
+      _txt = font_face(_txt);
+      string o;
+      _txt = (obj.attrib.bullet) ? ("●  " ~ _txt) : _txt;
+      _txt = _txt.replaceFirst(rgx.inline_link_anchor,
+         "");
+      if (!(obj.metainfo.identifier.empty)) {
+        o = format(q"┃  

+      
+      
%s
+        %s
+      

+    
┃",
+          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"┃  

+      
%s
+        %s
+      

+    
┃",
+          obj.metainfo.is_a,
+          obj.attrib.indent_hang,
+          obj.attrib.indent_base,
+          tags,
+          _txt
+        );
+      }
+      return o;
+    }
+    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;
+    }
+    Tuple!(string, string[]) para_seg(O,M)(
+      string          _txt,
+      const        O  obj,
+                   M  doc_matters,
+      string          _suffix = ".html",
+      string          _xml_type = "html",
+    ) {
+      Tuple!(string, string[]) 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);
+      Tuple!(string, string[]) u = tuple(
+        o,
+        _endnotes,
+      );
+      return u;
+    }
+    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"┃  

+      
+      

+        %s
+      

+    
┃",
+          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"┃  

+      

+        %s
+      

+    
┃",
+          obj.metainfo.is_a,
+          _txt
+        );
+      }
+      return o;
+    }
+    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;
+    }
+    Tuple!(string, string[]) quote_seg(O,M)(
+      string          _txt,
+      const        O  obj,
+                   M  doc_matters,
+      string          _suffix = ".html",
+      string          _xml_type = "html",
+    ) {
+      Tuple!(string, string[]) 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);
+      Tuple!(string, string[]) u = tuple(
+        o,
+        _endnotes,
+      );
+      return u;
+    }
+    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"┃  

+      
+      

+        %s
+      

+    
┃",
+          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"┃  

+      

+        %s
+      

+    
┃",
+          obj.metainfo.is_a,
+          _txt
+        );
+      }
+      return o;
+    }
+    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;
+    }
+    Tuple!(string, string[]) group_seg(O,M)(
+      string          _txt,
+      const        O  obj,
+                   M  doc_matters,
+      string          _suffix = ".html",
+      string          _xml_type = "html",
+    ) {
+      Tuple!(string, string[]) 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);
+      Tuple!(string, string[]) u = tuple(
+        o,
+        _endnotes,
+      );
+      return u;
+    }
+    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"┃  

+      
+      
%s

+    
┃",
+          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"┃  

+      
%s

+    
┃",
+          obj.metainfo.is_a,
+          _txt.stripRight
+        );
+      }
+      return o;
+    }
+    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;
+    }
+    Tuple!(string, string[]) block_seg(O,M)(
+      string          _txt,
+      const        O  obj,
+                   M  doc_matters,
+      string          _suffix = ".html",
+      string          _xml_type = "html",
+    ) {
+      Tuple!(string, string[]) 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);
+      Tuple!(string, string[]) u = tuple(
+        o,
+        _endnotes,
+      );
+      return u;
+    }
+    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"┃  

+          
+          
%s

+        
┃",
+          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"┃  

+          
%s

+        
┃",
+          obj.metainfo.is_a,
+          _txt
+        );
+      }
+      return o;
+    }
+    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;
+    }
+    Tuple!(string, string[]) verse_seg(O,M)(
+      string          _txt,
+      const        O  obj,
+                   M  doc_matters,
+      string          _suffix = ".html",
+      string          _xml_type = "html",
+    ) {
+      Tuple!(string, string[]) 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);
+      Tuple!(string, string[]) u = tuple(
+        o,
+        _endnotes,
+      );
+      return u;
+    }
+    Tuple!(string, string) 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)) {
+            _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 ~= "";
+          }
+        }
+        _table ~= "";
+      }
+      Tuple!(string, string) t = tuple(
+        _table,
+        _tablenote,
+      );
+      return t;
+    }
+    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"┃  

+      
+      
%s
+        
+          %s
+        

+        %s
+      

+    
┃",
+        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;
+    }
+    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_linebreaks_newlines);
+          _codelines = "  
\n";
+          foreach (k, _line; _block_lines) {
+            if (k == 1) {
+              _codelines ~= format(q"┃    %s
+    ┃",
+                _line,
+              );
+            } else {
+              _codelines ~= format(q"┃    %s
+    ┃",
+                _line,
+              );
+            }
+          }
+          _codelines ~= "  
";
+        } else {
+          _codelines = "  
\n";
+          _codelines ~= _txt;
+          _codelines ~= "  
";
+        }
+        return _codelines;
+      }
+      if (!(obj.metainfo.identifier.empty)) {
+        o = format(q"┃  

+      
+      
%s

+    
┃",
+          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"┃  

+      
%s

+    
┃",
+          obj.metainfo.is_a,
+          codelines(_txt)
+        );
+      }
+      return o;
+    }
+  }
+}
diff --git a/src/sisudoc/io_out/xmls_css.d b/src/sisudoc/io_out/xmls_css.d
new file mode 100644
index 0000000..e9f38e6
--- /dev/null
+++ b/src/sisudoc/io_out/xmls_css.d
@@ -0,0 +1,4451 @@
+/+
+- Name: SisuDoc Spine, Doc Reform [a part of]
+  - Description: documents, structuring, processing, publishing, search
+    - static content generator
+
+  - Author: Ralph Amissah
+    [ralph.amissah@gmail.com]
+
+  - Copyright: (C) 2015 - 2024 Ralph Amissah, All Rights Reserved.
+
+  - License: AGPL 3 or later:
+
+    Spine (SiSU), a framework for document structuring, publishing and
+    search
+
+    Copyright (C) Ralph Amissah
+
+    This program is free software: you can redistribute it and/or modify it
+    under the terms of the GNU AFERO General Public License as published by the
+    Free Software Foundation, either version 3 of the License, or (at your
+    option) any later version.
+
+    This program is distributed in the hope that it will be useful, but WITHOUT
+    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+    FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+    more details.
+
+    You should have received a copy of the GNU General Public License along with
+    this program. If not, see [https://www.gnu.org/licenses/].
+
+    If you have Internet connection, the latest version of the AGPL should be
+    available at these locations:
+    [https://www.fsf.org/licensing/licenses/agpl.html]
+    [https://www.gnu.org/licenses/agpl.html]
+
+  - Spine (by Doc Reform, related to SiSU) uses standard:
+    - docReform markup syntax
+      - standard SiSU markup syntax with modified headers and minor modifications
+    - docReform object numbering
+      - standard SiSU object citation numbering & system
+
+  - Homepages:
+    [https://www.sisudoc.org]
+    [https://www.doc-reform.org]
+
+  - Git
+    [https://git.sisudoc.org/]
+
++/
+/++
+  default css settings
++/
+module sisudoc.io_out.xmls_css;
+@safe:
+template spineCss() {
+  import std.format;
+  auto spineCss(M)(M doc_matters) {
+  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;
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+}
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+}
+┃");
+string _color_ocn_light  = (doc_matters.opt.action.ocn_hidden) ? "#FFFFFF" : "#777777";
+string _color_ocn_dark   = (doc_matters.opt.action.ocn_hidden) ? "#000000" : "#BBBBBB";
+    string _css_light_html_seg = format(q"┃
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+  font-size                : 62.5%%;
+}
+*{
+  padding                  : 0px;
+  margin                   : 0px;
+}
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+  font-size                : 1.6rem;
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+  color                    : #000000;
+  background               : #FFFFFF;
+  background-color         : #FFFFFF;
+}
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+  color                    : #003399;
+  text-decoration          : none;
+}
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+  text-decoration          : none;
+}
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+  background-color         : #F9F9AA;
+}
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+  color                    : %s;
+  text-decoration          : none;
+}
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+  text-decoration          : none;
+}
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+  font-size                : 1.8rem;
+}
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+  text-decoration          : none;
+}
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+  text-decoration          : none;
+}
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+  font-size                : 160%%;
+}
+a:hover img {
+  background-color         : #FFFFFF;
+}
+a:active {
+  color                    : #003399;
+  text-decoration          : underline;
+}
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+  color                    : #000000;
+  background-color         : #FFFFFF;
+}
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+}
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+  margin-left              : 5%%;
+  margin-right             : 1%%;
+}
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+}
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+  float                    : right;
+  top                      : 0;
+  background-color         : #FFFFFF;
+}
+div.endnote {
+  width                    : 95%%;
+  background-color         : #FFFFFF;
+}
+div.toc {
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+  float                    : left;
+  margin                   : 0;
+  padding                  : 0;
+  padding-top              : 0.5em;
+  border                   : 0;
+  width                    : 13em;
+  background-color         : #EEEEEE;
+  margin-right             : 1em;
+}
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+  margin                   : 0;
+  padding                  : 0;
+  border-left              : 13em solid #EEEEEE;
+  padding-left             : 1em;
+  background-color         : #EEEEEE;
+}
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+  padding                  : 0;
+  border-left              : 13em solid #FFFFFF;
+  padding-left             : 1em;
+  padding-right            : 1em;
+}
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+  margin                   : 0;
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+}
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+  padding-right            : 1em;
+}
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+  clear                    : both;
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+  height                   : 0;
+  overflow                 : hidden;
+}
+div.footer {
+  clear                    : left;
+  padding                  : 0.5em;
+  font-size                : 1.4rem;
+  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                : 1.5rem;
+  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;
+}
+.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                : 1.6rem;
+  font-weight              : normal;
+  line-height              : 133%%;
+  text-align               : justify;
+  text-indent              : 0mm;
+  margin-top               : 0.8em;
+  margin-bottom            : 0.8em;
+}
+img {
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+  height                   : auto;
+}
+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;
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+  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;
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+}
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+  counter-reset            : linenum;
+}
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+  counter-increment        : linenum;
+}
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+  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 {
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+}
+pre.codeline code {
+  display                  : table-cell;
+}
+p.code {
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+}
+p.spaced { white-space     : pre; }
+p.block {
+  white-space              : pre;
+}
+p.group { }
+p.alt { }
+p.verse {
+  white-space              : pre;
+  margin-bottom            : 6px;
+}
+p.caption {
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+  font-size                : 1.4rem;
+  display                  : inline;
+}
+p.endnote {
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+  text-align               : left;
+  margin-right             : 15mm;
+  padding-left             : 1em;
+  text-indent              : -1em;
+}
+p.center {
+  text-align               : center;
+}
+p.bold {
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+}
+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;
+}
+.small, .small_center {
+  font-size                : 1.4rem;
+  margin-top               : 0px;
+  margin-bottom            : 0px;
+  margin-right             : 6px;
+}
+p.small {
+  text-align               : left;
+}
+p.small_center {
+  margin-left              : 0px;
+  margin-right             : 0px;
+  text-align               : center;
+}
+.tiny, .tiny_left, .tiny_right, .tiny_center {
+  font-size                : 1.2rem;
+  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 {
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+  margin-right             : 0px;
+  text-align               : center;
+}
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+  margin-top               : 0px;
+  margin-bottom            : 0px;
+  margin-right             : 6px;
+}
+p.icons {
+  text-align               : left;
+}
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+  font-weight              : bold;
+  display                  : inline;
+  margin-top               : 4px;
+  margin-bottom            : 1px;
+}
+p.concordance_count {
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+  color                    : #777777;
+  display                  : inline;
+  margin-left              : 0em;
+}
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+  text-align               : left;
+  margin-left              : 3em;
+  margin-top               : 1px;
+  margin-bottom            : 3px;
+}
+p.book_index_lev1 {
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+  margin-top               : 4px;
+  margin-bottom            : 1px;
+}
+p.book_index_lev2 {
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+  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;
+}
+%s
+note { white-space         : pre; }
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+  float                    : right;
+  top                      : 0;
+  font-size                : 1.4rem;
+  margin-top               : 0px;
+  margin-bottom            : 6px;
+  margin-right             : 6px;
+  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                : 1.4rem;
+}
+p.right,th.right,td.right {
+  text-align               : right;
+}
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+  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 { }
+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             : 1.85rem; }
+h1 { font-size             : 1.8rem; }
+h2 { font-size             : 1.75rem; }
+h3 { font-size             : 1.7rem; }
+h4 { font-size             : 1.65rem; }
+h5 { font-size             : 1.6rem; }
+h6 { font-size             : 1.55rem; }
+h7 { font-size             : 1.5rem; }
+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                : 1.85rem;
+  line-height              : 150%%;
+}
+h1.toc {
+  margin-left              : 1em;
+  font-size                : 1.8rem;
+  line-height              : 150%%;
+}
+h2.toc {
+  margin-left              : 2em;
+  font-size                : 1.75rem;
+  line-height              : 140%%;
+}
+h3.toc {
+  margin-left              : 3em;
+  font-size                : 1.7rem;
+  line-height              : 120%%;
+}
+h4.toc {
+  margin-left              : 4em;
+  font-size                : 1.65rem;
+  line-height              : 120%%;
+}
+h5.toc {
+  margin-left              : 5em;
+  font-size                : 1.6rem;
+  line-height              : 110%%;
+}
+h6.toc {
+  margin-left              : 6em;
+  font-size                : 1.55rem;
+  line-height              : 110%%;
+}
+h7.toc {
+  margin-left              : 7em;
+  font-size                : 1.5rem;
+  line-height              : 100%%;
+}
+.subtoc {
+  margin-right             : 34%%;
+  font-weight              : normal;
+}
+h5.subtoc {
+  margin-left              : 2em;
+  font-size                : 1.45rem;
+  margin-top               : 2px;
+  margin-bottom            : 2px;
+}
+h6.subtoc {
+  margin-left              : 3em;
+  font-size                : 1.4rem;
+  margin-top               : 0px;
+  margin-bottom            : 0px;
+}
+h7.subtoc {
+  margin-left              : 4em;
+  font-size                : 1.35rem;
+  margin-top               : 0px;
+  margin-bottom            : 0px;
+}
+input, select, textarea {
+  font-size                : 2.2rem;
+}
+input[type="text"] {
+  font-size                : 1.8rem;
+  line-height              : 120%%;
+}
+button[type="submit"] {
+  font-size                : 1.8rem;
+  line-height              : 120%%;
+}
+p.form {
+  font-size                : 2.2rem;
+  line-height              : 150%%;
+}
+.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                    : 3em;
+  height                   : 3em;
+  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                : 1.8rem;
+}
+.prev-next-button {
+  position                 : absolute;
+  top                      : 8px;
+  width                    : 3em;
+  height                   : 3em;
+  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                    : 8em;
+ }
+.previous {
+  right                    : 4em;
+ }
+.next {
+  right                    : 0em;
+ }
+.arrow {
+  fill                     : #333333;
+}
+.minitoc {
+  line-height              : 120%%;
+  font-size                : 1.6rem;
+  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;
+}
+/* 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;
+}
+/* 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;
+}
+┃",
+    _color_ocn_light,
+    _css_indent,
+    _color_ocn_light,
+);
+    string _css_dark_html_seg = format(q"┃
+html {
+}
+*{
+  padding                  : 0px;
+  margin                   : 0px;
+}
+body {
+  height                   : 100vh;
+  background-color         : #000000;
+  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.lnkocn:link {
+  color                    : %s;
+  text-decoration          : none;
+}
+a.lnkocn:visited {
+  color                    : #9ACD32;
+  text-decoration          : none;
+}
+a.lnkocn:hover {
+  color                    : #BBBBBB;
+  font-size                : 1.8rem;
+}
+a.lnkicon:link {
+  text-decoration          : none;
+}
+a.lnkicon:visited {
+  text-decoration          : none;
+}
+a.lnkicon:hover {
+  color                    : #BBBBBB;
+  font-size                : 120%%;
+}
+a:hover img {
+  background-color         : #000000;
+}
+a:active {
+  color                    : #888888;
+  text-decoration          : underline;
+}
+input {
+  color                    : #FFFFFF;
+  background-color         : #777777;
+}
+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                : 1.4rem;
+  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                : 1.5rem;
+  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;
+}
+.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                : 1.6rem;
+  font-weight              : normal;
+  line-height              : 133%%;
+  text-align               : justify;
+  text-indent              : 0mm;
+  margin-top               : 0.8em;
+  margin-bottom            : 0.8em;
+}
+img {
+  max-width                : 100%%;
+  height                   : auto;
+}
+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                : 1.5rem;
+  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;
+}
+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                : 1.4rem;
+  display                  : inline;
+}
+p.endnote {
+  font-size                : 1.5rem;
+  line-height              : 120%%;
+  text-align               : left;
+  margin-right             : 15mm;
+  padding-left             : 1em;
+  text-indent              : -1em;
+}
+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;
+}
+.small, .small_center {
+  font-size                : 1.4rem;
+  margin-top               : 0px;
+  margin-bottom            : 0px;
+  margin-right             : 6px;
+}
+p.small {
+  text-align               : left;
+}
+p.small_center {
+  margin-left              : 0px;
+  margin-right             : 0px;
+  text-align               : center;
+}
+.tiny, .tiny_left, .tiny_right, .tiny_center {
+  font-size                : 1.35rem;
+  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                : 1.4rem;
+  color                    : #555555;
+  display                  : inline;
+  margin-left              : 0em;
+}
+p.concordance_object {
+  font-size                : 1.4rem;
+  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;
+}
+%s
+note { white-space         : pre; }
+label.ocn {
+  width                    : 2%%;
+  float                    : right;
+  top                      : 0;
+  font-size                : 1.4rem;
+  margin-top               : 0px;
+  margin-bottom            : 6px;
+  margin-right             : 6px;
+  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                : 1.4rem;
+}
+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 { }
+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             : 1.9rem; }
+h1 { font-size             : 1.8rem; }
+h2 { font-size             : 1.75rem; }
+h3 { font-size             : 1.7rem; }
+h4 { font-size             : 1.65rem; }
+h5 { font-size             : 1.6rem; }
+h6 { font-size             : 1.55rem; }
+h7 { font-size             : 1.5rem; }
+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                : 1.8rem;
+  line-height              : 150%%;
+}
+h1.toc {
+  margin-left              : 1em;
+  font-size                : 1.75rem;
+  line-height              : 150%%;
+}
+h2.toc {
+  margin-left              : 2em;
+  font-size                : 1.7rem;
+  line-height              : 140%%;
+}
+h3.toc {
+  margin-left              : 3em;
+  font-size                : 1.65rem;
+  line-height              : 120%%;
+}
+h4.toc {
+  margin-left              : 4em;
+  font-size                : 1.6rem;
+  line-height              : 120%%;
+}
+h5.toc {
+  margin-left              : 5em;
+  font-size                : 1.5rem;
+  line-height              : 110%%;
+}
+h6.toc {
+  margin-left              : 6em;
+  font-size                : 1.5rem;
+  line-height              : 110%%;
+}
+h7.toc {
+  margin-left              : 7em;
+  font-size                : 1.45rem;
+  line-height              : 100%%;
+}
+.subtoc {
+  margin-right             : 34%%;
+  font-weight              : normal;
+}
+h5.subtoc {
+  margin-left              : 2em;
+  font-size                : 1.4rem;
+  margin-top               : 2px;
+  margin-bottom            : 2px;
+}
+h6.subtoc {
+  margin-left              : 3em;
+  font-size                : 1.35;
+  margin-top               : 0px;
+  margin-bottom            : 0px;
+}
+h7.subtoc {
+  margin-left              : 4em;
+  font-size                : 1.3rem;
+  margin-top               : 0px;
+  margin-bottom            : 0px;
+}
+input, select, textarea {
+  font-size                : 2.2rem;
+}
+input[type="text"] {
+  font-size                : 1.8rem;
+  line-height              : 120%%;
+}
+button[type="submit"] {
+  font-size                : 1.8rem;
+  line-height              : 120%%;
+}
+p.form {
+  font-size                : 2.2rem;
+  line-height              : 150%%;
+}
+.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                    : 3em;
+  height                   : 3em;
+  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                : 1.8rem;
+}
+.prev-next-button {
+  position                 : absolute;
+  top                      : 8px;
+  width                    : 3em;
+  height                   : 3em;
+  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                    : 8em;
+ }
+.previous {
+  right                    : 4em;
+ }
+.next {
+  right                    : 0em;
+ }
+.arrow {
+   fill                    : #DDDDDD;
+}
+.minitoc {
+  line-height              : 120%%;
+  font-size                : 1.6rem;
+  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;
+}
+/* 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;
+}
+/* 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;
+}
+┃",
+    _color_ocn_dark,
+    _css_indent,
+    _color_ocn_dark,
+);
+    string _css_light_html_scroll = format(q"┃
+html {
+  font-size                : 62.5%%;
+}
+*{
+  padding                  : 0px;
+  margin                   : 0px;
+}
+body {
+  height                   : 100vh;
+  font-size                : 1.6rem;
+  background-color         : #FFFFFF;
+  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.lnkocn:link {
+  color                    : %s;
+  text-decoration          : none;
+}
+a.lnkocn:visited {
+  color                    : #32CD32;
+  text-decoration          : none;
+}
+a.lnkocn:hover {
+  color                    : #777777;
+  font-size                : 1.8rem;
+}
+a.lnkicon:link {
+  text-decoration          : none;
+}
+a.lnkicon:visited {
+  text-decoration          : none;
+}
+a.lnkicon:hover {
+  font-size                : 160%%;
+}
+a:hover img {
+  background-color         : #FFFFFF;
+}
+a:active {
+  color                    : #003399;
+  text-decoration          : underline;
+}
+input {
+  color                    : #000000;
+  background-color         : #FFFFFF;
+}
+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                : 1.4rem;
+  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                : 1.5rem;
+  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;
+}
+.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                : 1.6rem;
+  font-weight              : normal;
+  line-height              : 133%%;
+  text-align               : justify;
+  text-indent              : 0mm;
+  margin-top               : 0.8em;
+  margin-bottom            : 0.8em;
+}
+img {
+  max-width                : 100%%;
+  height                   : auto;
+}
+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                : 1.5rem;
+  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;
+}
+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                : 1.4rem;
+  display                  : inline;
+}
+p.endnote {
+  font-size                : 1.55rem;
+  line-height              : 120%%;
+  text-align               : left;
+  margin-right             : 15mm;
+  padding-left             : 1em;
+  text-indent              : -1em;
+}
+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;
+}
+.small, .small_center {
+  font-size                : 1.4rem;
+  margin-top               : 0px;
+  margin-bottom            : 0px;
+  margin-right             : 6px;
+}
+p.small {
+  text-align               : left;
+}
+p.small_center {
+  margin-left              : 0px;
+  margin-right             : 0px;
+  text-align               : center;
+}
+.tiny, .tiny_left, .tiny_right, .tiny_center {
+  font-size                : 1.2rem;
+  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.icons, .icons_center {
+  font-size                : 100%%;
+  margin-top               : 0px;
+  margin-bottom            : 0px;
+  margin-right             : 6px;
+}
+p.icons {
+  text-align               : left;
+}
+p.concordance_word {
+  line-height              : 150%%;
+  font-weight              : bold;
+  display                  : inline;
+  margin-top               : 4px;
+  margin-bottom            : 1px;
+}
+p.concordance_count {
+  font-size                : 1.4rem;
+  color                    : #777777;
+  display                  : inline;
+  margin-left              : 0em;
+}
+p.concordance_object {
+  font-size                : 1.4rem;
+  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;
+}
+%s
+note { white-space         : pre; }
+label.ocn {
+  width                    : 2%%;
+  float                    : right;
+  top                      : 0;
+  font-size                : 1.4rem;
+  margin-top               : 0px;
+  margin-bottom            : 6px;
+  margin-right             : 6px;
+  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                : 1.4rem;
+}
+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 { }
+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             : 1.85rem; }
+h1 { font-size             : 1.8rem; }
+h2 { font-size             : 1.75rem; }
+h3 { font-size             : 1.7rem; }
+h4 { font-size             : 1.65rem; }
+h5 { font-size             : 1.6rem; }
+h6 { font-size             : 1.55rem; }
+h7 { font-size             : 1.5rem; }
+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                : 1.85rem;
+  line-height              : 150%%;
+}
+h1.toc {
+  margin-left              : 1em;
+  font-size                : 1.8rem;
+  line-height              : 150%%;
+}
+h2.toc {
+  margin-left              : 2em;
+  font-size                : 1.75rem;
+  line-height              : 140%%;
+}
+h3.toc {
+  margin-left              : 3em;
+  font-size                : 1.7rem;
+  line-height              : 120%%;
+}
+h4.toc {
+  margin-left              : 4em;
+  font-size                : 1.65rem;
+  line-height              : 120%%;
+}
+h5.toc {
+  margin-left              : 5em;
+  font-size                : 1.6rem;
+  line-height              : 110%%;
+}
+h6.toc {
+  margin-left              : 6em;
+  font-size                : 1.55rem;
+  line-height              : 110%%;
+}
+h7.toc {
+  margin-left              : 7em;
+  font-size                : 1.5rem;
+  line-height              : 100%%;
+}
+.subtoc {
+  margin-right             : 34%%;
+  font-weight              : normal;
+}
+h5.subtoc {
+  margin-left              : 2em;
+  font-size                : 1.45rem;
+  margin-top               : 2px;
+  margin-bottom            : 2px;
+}
+h6.subtoc {
+  margin-left              : 3em;
+  font-size                : 1.4rem;
+  margin-top               : 0px;
+  margin-bottom            : 0px;
+}
+h7.subtoc {
+  margin-left              : 4em;
+  font-size                : 1.35rem;
+  margin-top               : 0px;
+  margin-bottom            : 0px;
+}
+input, select, textarea {
+  font-size                : 2.2rem;
+}
+input[type="text"] {
+  font-size                : 1.8rem;
+  line-height              : 120%%;
+}
+button[type="submit"] {
+  font-size                : 1.8rem;
+  line-height              : 120%%;
+}
+p.form {
+  font-size                : 2.2rem;
+  line-height              : 150%%;
+}
+/* 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;
+}
+/* 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;
+}
+┃",
+    _color_ocn_light,
+    _css_indent,
+    _color_ocn_light,
+);
+    string _css_dark_html_scroll = format(q"┃
+html {
+}
+*{
+  padding                  : 0px;
+  margin                   : 0px;
+}
+body {
+  height                   : 100vh;
+  background-color         : #000000;
+  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.lnkocn:link {
+  color                    : %s;
+  text-decoration          : none;
+}
+a.lnkocn:visited {
+  color                    : #9ACD32;
+  text-decoration          : none;
+}
+a.lnkocn:hover {
+  color                    : #BBBBBB;
+  font-size                : 1.8rem;
+}
+a.lnkicon:link {
+  text-decoration          : none;
+}
+a.lnkicon:visited {
+  text-decoration          : none;
+}
+a.lnkicon:hover {
+  color                    : #BBBBBB;
+  font-size                : 120%%;
+}
+a:hover img {
+  background-color         : #000000;
+}
+a:active {
+  color                    : #888888;
+  text-decoration          : underline;
+}
+input {
+  color                    : #FFFFFF;
+  background-color         : #777777;
+}
+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                : 1.4rem;
+  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                : 1.5rem;
+  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;
+}
+.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                : 1.6rem;
+  font-weight              : normal;
+  line-height              : 133%%;
+  text-align               : justify;
+  text-indent              : 0mm;
+  margin-top               : 0.8em;
+  margin-bottom            : 0.8em;
+}
+img {
+  max-width                : 100%%;
+  height                   : auto;
+}
+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                : 1.5rem;
+  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;
+}
+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                : 1.4rem;
+  display                  : inline;
+}
+p.endnote {
+  font-size                : 1.5rem;
+  line-height              : 120%%;
+  text-align               : left;
+  margin-right             : 15mm;
+  padding-left             : 1em;
+  text-indent              : -1em;
+}
+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;
+}
+.small, .small_center {
+  font-size                : 1.4rem;
+  margin-top               : 0px;
+  margin-bottom            : 0px;
+  margin-right             : 6px;
+}
+p.small {
+  text-align               : left;
+}
+p.small_center {
+  margin-left              : 0px;
+  margin-right             : 0px;
+  text-align               : center;
+}
+.tiny, .tiny_left, .tiny_right, .tiny_center {
+  font-size                : 1.35rem;
+  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                : 1.4rem;
+  color                    : #555555;
+  display                  : inline;
+  margin-left              : 0em;
+}
+p.concordance_object {
+  font-size                : 1.4rem;
+  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;
+}
+%s
+note { white-space         : pre; }
+label.ocn {
+  width                    : 2%%;
+  float                    : right;
+  top                      : 0;
+  font-size                : 1.4rem;
+  margin-top               : 0px;
+  margin-bottom            : 6px;
+  margin-right             : 6px;
+  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                : 1.4rem;
+}
+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 { }
+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             : 1.9rem; }
+h1 { font-size             : 1.8rem; }
+h2 { font-size             : 1.75rem; }
+h3 { font-size             : 1.7rem; }
+h4 { font-size             : 1.65rem; }
+h5 { font-size             : 1.6rem; }
+h6 { font-size             : 1.55rem; }
+h7 { font-size             : 1.5rem; }
+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                : 1.8rem;
+  line-height              : 150%%;
+}
+h1.toc {
+  margin-left              : 1em;
+  font-size                : 1.75rem;
+  line-height              : 150%%;
+}
+h2.toc {
+  margin-left              : 2em;
+  font-size                : 1.7rem;
+  line-height              : 140%%;
+}
+h3.toc {
+  margin-left              : 3em;
+  font-size                : 1.65rem;
+  line-height              : 120%%;
+}
+h4.toc {
+  margin-left              : 4em;
+  font-size                : 1.6rem;
+  line-height              : 120%%;
+}
+h5.toc {
+  margin-left              : 5em;
+  font-size                : 1.5rem;
+  line-height              : 110%%;
+}
+h6.toc {
+  margin-left              : 6em;
+  font-size                : 1.5rem;
+  line-height              : 110%%;
+}
+h7.toc {
+  margin-left              : 7em;
+  font-size                : 1.45rem;
+  line-height              : 100%%;
+}
+.subtoc {
+  margin-right             : 34%%;
+  font-weight              : normal;
+}
+h5.subtoc {
+  margin-left              : 2em;
+  font-size                : 1.4rem;
+  margin-top               : 2px;
+  margin-bottom            : 2px;
+}
+h6.subtoc {
+  margin-left              : 3em;
+  font-size                : 1.35;
+  margin-top               : 0px;
+  margin-bottom            : 0px;
+}
+h7.subtoc {
+  margin-left              : 4em;
+  font-size                : 1.3rem;
+  margin-top               : 0px;
+  margin-bottom            : 0px;
+}
+input, select, textarea {
+  font-size                : 2.2rem;
+}
+input[type="text"] {
+  font-size                : 1.8rem;
+  line-height              : 120%%;
+}
+button[type="submit"] {
+  font-size                : 1.8rem;
+  line-height              : 120%%;
+}
+p.form {
+  font-size                : 2.2rem;
+  line-height              : 150%%;
+}
+/* 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;
+}
+/* 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;
+}
+┃",
+    _color_ocn_dark,
+    _css_indent,
+    _color_ocn_dark,
+);
+    string _css_light_epub = format(q"┃
+html {
+  font-size                : 62.5%%;
+}
+*{
+  padding                  : 0px;
+  margin                   : 0px;
+}
+body {
+  height                   : 100vh;
+  font-size                : 1.6rem;
+  background-color         : #FFFFFF;
+  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.lnkocn:link {
+  color                    : %s;
+  text-decoration          : none;
+}
+a.lnkocn:visited {
+  color                    : #32CD32;
+  text-decoration          : none;
+}
+a.lnkocn:hover {
+  color                    : #777777;
+  font-size                : 1.8rem;
+}
+a.lnkicon:link {
+  text-decoration          : none;
+}
+a.lnkicon:visited {
+  text-decoration          : none;
+}
+a.lnkicon:hover {
+  font-size                : 160%%;
+}
+a:hover img {
+  background-color         : #FFFFFF;
+}
+a:active {
+  color                    : #003399;
+  text-decoration          : underline;
+}
+input {
+  color                    : #000000;
+  background-color         : #FFFFFF;
+}
+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                : 1.4rem;
+  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                : 1.5rem;
+  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;
+}
+.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                : 1.6rem;
+  font-weight              : normal;
+  line-height              : 133%%;
+  text-align               : justify;
+  text-indent              : 0mm;
+  margin-top               : 0.8em;
+  margin-bottom            : 0.8em;
+}
+img {
+  max-width                : 100%%;
+  height                   : auto;
+}
+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                : 1.5rem;
+  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;
+}
+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                : 1.4rem;
+  display                  : inline;
+}
+p.endnote {
+  font-size                : 1.55rem;
+  line-height              : 120%%;
+  text-align               : left;
+  margin-right             : 15mm;
+  padding-left             : 1em;
+  text-indent              : -1em;
+}
+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;
+}
+.small, .small_center {
+  font-size                : 1.4rem;
+  margin-top               : 0px;
+  margin-bottom            : 0px;
+  margin-right             : 6px;
+}
+p.small {
+  text-align               : left;
+}
+p.small_center {
+  margin-left              : 0px;
+  margin-right             : 0px;
+  text-align               : center;
+}
+.tiny, .tiny_left, .tiny_right, .tiny_center {
+  font-size                : 1.2rem;
+  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.icons, .icons_center {
+  font-size                : 100%%;
+  margin-top               : 0px;
+  margin-bottom            : 0px;
+  margin-right             : 6px;
+}
+p.icons {
+  text-align               : left;
+}
+p.concordance_word {
+  line-height              : 150%%;
+  font-weight              : bold;
+  display                  : inline;
+  margin-top               : 4px;
+  margin-bottom            : 1px;
+}
+p.concordance_count {
+  font-size                : 1.4rem;
+  color                    : #777777;
+  display                  : inline;
+  margin-left              : 0em;
+}
+p.concordance_object {
+  font-size                : 1.4rem;
+  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;
+}
+%s
+note { white-space         : pre; }
+label.ocn {
+  width                    : 2%%;
+  float                    : right;
+  top                      : 0;
+  font-size                : 1.4rem;
+  margin-top               : 0px;
+  margin-bottom            : 6px;
+  margin-right             : 6px;
+  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                : 1.4rem;
+}
+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 { }
+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             : 1.85rem; }
+h1 { font-size             : 1.8rem; }
+h2 { font-size             : 1.75rem; }
+h3 { font-size             : 1.7rem; }
+h4 { font-size             : 1.65rem; }
+h5 { font-size             : 1.6rem; }
+h6 { font-size             : 1.55rem; }
+h7 { font-size             : 1.5rem; }
+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                : 1.85rem;
+  line-height              : 150%%;
+}
+h1.toc {
+  margin-left              : 1em;
+  font-size                : 1.8rem;
+  line-height              : 150%%;
+}
+h2.toc {
+  margin-left              : 2em;
+  font-size                : 1.75rem;
+  line-height              : 140%%;
+}
+h3.toc {
+  margin-left              : 3em;
+  font-size                : 1.7rem;
+  line-height              : 120%%;
+}
+h4.toc {
+  margin-left              : 4em;
+  font-size                : 1.65rem;
+  line-height              : 120%%;
+}
+h5.toc {
+  margin-left              : 5em;
+  font-size                : 1.6rem;
+  line-height              : 110%%;
+}
+h6.toc {
+  margin-left              : 6em;
+  font-size                : 1.55rem;
+  line-height              : 110%%;
+}
+h7.toc {
+  margin-left              : 7em;
+  font-size                : 1.5rem;
+  line-height              : 100%%;
+}
+.subtoc {
+  margin-right             : 34%%;
+  font-weight              : normal;
+}
+h5.subtoc {
+  margin-left              : 2em;
+  font-size                : 1.45rem;
+  margin-top               : 2px;
+  margin-bottom            : 2px;
+}
+h6.subtoc {
+  margin-left              : 3em;
+  font-size                : 1.4rem;
+  margin-top               : 0px;
+  margin-bottom            : 0px;
+}
+h7.subtoc {
+  margin-left              : 4em;
+  font-size                : 1.35rem;
+  margin-top               : 0px;
+  margin-bottom            : 0px;
+}
+input, select, textarea {
+  font-size                : 2.2rem;
+}
+input[type="text"] {
+  font-size                : 1.8rem;
+  line-height              : 120%%;
+}
+button[type="submit"] {
+  font-size                : 1.8rem;
+  line-height              : 120%%;
+}
+p.form {
+  font-size                : 2.2rem;
+  line-height              : 150%%;
+}
+
+┃",
+    _color_ocn_light,
+    _css_indent,
+    _color_ocn_light,
+);
+    string _css_dark_epub = format(q"┃
+html {
+}
+*{
+  padding                  : 0px;
+  margin                   : 0px;
+}
+body {
+  height                   : 100vh;
+  background-color         : #000000;
+  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.lnkocn:link {
+  color                    : %s;
+  text-decoration          : none;
+}
+a.lnkocn:visited {
+  color                    : #9ACD32;
+  text-decoration          : none;
+}
+a.lnkocn:hover {
+  color                    : #BBBBBB;
+  font-size                : 1.8rem;
+}
+a.lnkicon:link {
+  text-decoration          : none;
+}
+a.lnkicon:visited {
+  text-decoration          : none;
+}
+a.lnkicon:hover {
+  color                    : #BBBBBB;
+  font-size                : 120%%;
+}
+a:hover img {
+  background-color         : #000000;
+}
+a:active {
+  color                    : #888888;
+  text-decoration          : underline;
+}
+input {
+  color                    : #FFFFFF;
+  background-color         : #777777;
+}
+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                : 1.4rem;
+  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                : 1.5rem;
+  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;
+}
+.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                : 1.6rem;
+  font-weight              : normal;
+  line-height              : 133%%;
+  text-align               : justify;
+  text-indent              : 0mm;
+  margin-top               : 0.8em;
+  margin-bottom            : 0.8em;
+}
+img {
+  max-width                : 100%%;
+  height                   : auto;
+}
+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                : 1.5rem;
+  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;
+}
+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                : 1.4rem;
+  display                  : inline;
+}
+p.endnote {
+  font-size                : 1.5rem;
+  line-height              : 120%%;
+  text-align               : left;
+  margin-right             : 15mm;
+  padding-left             : 1em;
+  text-indent              : -1em;
+}
+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;
+}
+.small, .small_center {
+  font-size                : 1.4rem;
+  margin-top               : 0px;
+  margin-bottom            : 0px;
+  margin-right             : 6px;
+}
+p.small {
+  text-align               : left;
+}
+p.small_center {
+  margin-left              : 0px;
+  margin-right             : 0px;
+  text-align               : center;
+}
+.tiny, .tiny_left, .tiny_right, .tiny_center {
+  font-size                : 1.35rem;
+  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                : 1.4rem;
+  color                    : #555555;
+  display                  : inline;
+  margin-left              : 0em;
+}
+p.concordance_object {
+  font-size                : 1.4rem;
+  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;
+}
+%s
+note { white-space         : pre; }
+label.ocn {
+  width                    : 2%%;
+  float                    : right;
+  top                      : 0;
+  font-size                : 1.4rem;
+  margin-top               : 0px;
+  margin-bottom            : 6px;
+  margin-right             : 6px;
+  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                : 1.4rem;
+}
+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 { }
+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             : 1.9rem; }
+h1 { font-size             : 1.8rem; }
+h2 { font-size             : 1.75rem; }
+h3 { font-size             : 1.7rem; }
+h4 { font-size             : 1.65rem; }
+h5 { font-size             : 1.6rem; }
+h6 { font-size             : 1.55rem; }
+h7 { font-size             : 1.5rem; }
+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                : 1.8rem;
+  line-height              : 150%%;
+}
+h1.toc {
+  margin-left              : 1em;
+  font-size                : 1.75rem;
+  line-height              : 150%%;
+}
+h2.toc {
+  margin-left              : 2em;
+  font-size                : 1.7rem;
+  line-height              : 140%%;
+}
+h3.toc {
+  margin-left              : 3em;
+  font-size                : 1.65rem;
+  line-height              : 120%%;
+}
+h4.toc {
+  margin-left              : 4em;
+  font-size                : 1.6rem;
+  line-height              : 120%%;
+}
+h5.toc {
+  margin-left              : 5em;
+  font-size                : 1.5rem;
+  line-height              : 110%%;
+}
+h6.toc {
+  margin-left              : 6em;
+  font-size                : 1.5rem;
+  line-height              : 110%%;
+}
+h7.toc {
+  margin-left              : 7em;
+  font-size                : 1.45rem;
+  line-height              : 100%%;
+}
+.subtoc {
+  margin-right             : 34%%;
+  font-weight              : normal;
+}
+h5.subtoc {
+  margin-left              : 2em;
+  font-size                : 1.4rem;
+  margin-top               : 2px;
+  margin-bottom            : 2px;
+}
+h6.subtoc {
+  margin-left              : 3em;
+  font-size                : 1.35;
+  margin-top               : 0px;
+  margin-bottom            : 0px;
+}
+h7.subtoc {
+  margin-left              : 4em;
+  font-size                : 1.3rem;
+  margin-top               : 0px;
+  margin-bottom            : 0px;
+}
+input, select, textarea {
+  font-size                : 2.2rem;
+}
+input[type="text"] {
+  font-size                : 1.8rem;
+  line-height              : 120%%;
+}
+button[type="submit"] {
+  font-size                : 1.8rem;
+  line-height              : 120%%;
+}
+p.form {
+  font-size                : 2.2rem;
+  line-height              : 150%%;
+}
+
+┃",
+    _color_ocn_dark,
+    _css_indent,
+    _color_ocn_dark,
+);
+    auto css_() {
+      struct _CSS {
+        string html_seg    = "/* spine css html seg stylesheet */\n";
+        string html_scroll = "/* spine css html scroll stylesheet */\n";
+        string epub        = "/* spine 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;
+  }
+}
diff --git a/src/sisudoc/meta/conf_make_meta_json.d b/src/sisudoc/meta/conf_make_meta_json.d
new file mode 100644
index 0000000..5330799
--- /dev/null
+++ b/src/sisudoc/meta/conf_make_meta_json.d
@@ -0,0 +1,695 @@
+/+
+- Name: SisuDoc Spine, Doc Reform [a part of]
+  - Description: documents, structuring, processing, publishing, search
+    - static content generator
+
+  - Author: Ralph Amissah
+    [ralph.amissah@gmail.com]
+
+  - Copyright: (C) 2015 - 2024 Ralph Amissah, All Rights Reserved.
+
+  - License: AGPL 3 or later:
+
+    Spine (SiSU), a framework for document structuring, publishing and
+    search
+
+    Copyright (C) Ralph Amissah
+
+    This program is free software: you can redistribute it and/or modify it
+    under the terms of the GNU AFERO General Public License as published by the
+    Free Software Foundation, either version 3 of the License, or (at your
+    option) any later version.
+
+    This program is distributed in the hope that it will be useful, but WITHOUT
+    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+    FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+    more details.
+
+    You should have received a copy of the GNU General Public License along with
+    this program. If not, see [https://www.gnu.org/licenses/].
+
+    If you have Internet connection, the latest version of the AGPL should be
+    available at these locations:
+    [https://www.fsf.org/licensing/licenses/agpl.html]
+    [https://www.gnu.org/licenses/agpl.html]
+
+  - Spine (by Doc Reform, related to SiSU) uses standard:
+    - docReform markup syntax
+      - standard SiSU markup syntax with modified headers and minor modifications
+    - docReform object numbering
+      - standard SiSU object citation numbering & system
+
+  - Homepages:
+    [https://www.sisudoc.org]
+    [https://www.doc-reform.org]
+
+  - Git
+    [https://git.sisudoc.org/]
+
++/
+/++
+  json headers

+  extract json header return json
++/
+module sisudoc.meta.conf_make_meta_json;
+@safe:
+static template contentJSONtoSpineStruct() {
+  import
+    std.algorithm,
+    std.array,
+    std.exception,
+    std.regex,
+    std.stdio,
+    std.string,
+    std.typecons,
+    std.utf,
+    std.conv : to;
+  import
+    sisudoc.meta.conf_make_meta_structs,
+    sisudoc.meta.conf_make_meta_json,
+    sisudoc.meta.defaults,
+    sisudoc.meta.rgx;
+  ConfComposite _struct_composite;
+  auto contentJSONtoSpineStruct(C,J,M)(C _struct_composite, J _json, M _manifested, string _identifier) {
+    mixin spineRgxIn;
+    static auto rgx = RgxI();
+    debug (json) {
+      writeln(">> --------------------------- >>");
+      foreach (tag0; _json.object.byKeyValue) {
+        if (tag0.value.stringof == "string") {
+          writeln(tag0.key, ": ", tag0.value);
+        } else { // writeln(tag0.key, ":");
+          foreach (tag1; tag0.value.object.byKeyValue) {
+            writeln(tag0.key, ":", tag1.key, ": ", tag1.value);
+          }
+        }
+      }
+      writeln("<< --------------------------- <<");
+    }
+    confCompositeMakeBuild _mk;
+    /+ make ------------------------------------------------------------------- +/
+    if ("make" in _json.object) {
+      if ("doc_type" in _json.object["make"]
+        && (_json.object["make"]["doc_type"].type().to!string == "string")
+      ) {
+        _struct_composite.make_str.doc_type = _json.object["make"]["doc_type"].str;
+      }
+      if ("breaks" in _json.object["make"]
+        && (_json.object["make"]["breaks"].type().to!string == "string")
+      ) {
+        _struct_composite.make_str.breaks = _json.object["make"]["breaks"].str;
+      }
+      if ("bold" in _json.object["make"]
+        && (_json.object["make"]["bold"].type().to!string == "string")
+      ) {
+        _struct_composite.make_str.bold = _json.object["make"]["bold"].str;
+      }
+      if ("cover_image" in _json.object["make"]
+        && (_json.object["make"]["cover_image"].type().to!string == "string")
+      ) {
+        _struct_composite.make_str.cover_image = _json.object["make"]["cover_image"].str;
+      }
+      if ("css" in _json.object["make"]
+        && (_json.object["make"]["css"].type().to!string == "string")
+      ) {
+        _struct_composite.make_str.css = _json.object["make"]["css"].str;
+      }
+      if ("emphasis" in _json.object["make"]
+        && (_json.object["make"]["emphasis"].type().to!string == "string")
+      ) {
+        _struct_composite.make_str.emphasis = _json.object["make"]["emphasis"].str;
+      }
+      if ("footer" in _json.object["make"]) {
+        if (_json.object["make"]["footer"].type().to!string == "string") {
+          char[][] __match_footer_array
+            = (cast(char[]) _json.object["make"]["footer"].str)
+              .split(rgx.make_heading_delimiter);
+          _struct_composite.make_str.footer = __match_footer_array.to!(string[]);
+        } else if (_json.object["make"]["footer"].type().to!string == "array") {
+          string[] _match_footer_array;
+          foreach (_match_heading; _json.object["make"]["footer"].arrayNoRef) {
+            _match_footer_array ~= _match_heading.str;
+          }
+          _struct_composite.make_str.footer = _match_footer_array;
+        }
+      }
+      if ("headings" in _json.object["make"]) {
+        if (_json.object["make"]["headings"].type().to!string == "string") {
+         char[][] __match_headings_array
+            = (cast(char[]) _json.object["make"]["headings"].str)
+              .split(rgx.make_heading_delimiter);
+          _struct_composite.make_str.headings = __match_headings_array.to!(string[]);
+        } else if (_json.object["make"]["headings"].type().to!string == "array") {
+          string[] _match_headings_array;
+          foreach (_match_heading; _json.object["make"]["headings"].arrayNoRef) {
+            _match_headings_array ~= _match_heading.str;
+          }
+          _struct_composite.make_str.headings = _match_headings_array;
+        }
+      }
+      if ("home_button_image" in _json.object["make"]) {
+        if (_json.object["make"]["home_button_image"].type().to!string == "string") {
+         char[][] __match_home_button_image_array
+            = (cast(char[]) _json.object["make"]["home_button_image"].str)
+              .split(rgx.make_heading_delimiter);
+          _struct_composite.make_str.home_button_image = __match_home_button_image_array.to!(string[]);
+        } else if (_json.object["make"]["home_button_image"].type().to!string == "array") {
+          string[] _match_home_button_image_array;
+          foreach (_match_heading; _json.object["make"]["home_button_image"].arrayNoRef) {
+            _match_home_button_image_array ~= _match_heading.str;
+          }
+          _struct_composite.make_str.home_button_image = _match_home_button_image_array;
+        }
+      }
+      if ("home_button_text" in _json.object["make"]) {
+        if (_json.object["make"]["home_button_text"].type().to!string == "string") {
+          _struct_composite.make_str.home_button_text = _json.object["make"]["home_button_text"].str;
+        } else if (_json.object["make"]["home_button_text"].type().to!string == "array") {
+          string[] _match_home_button_text_array;
+          foreach (_match_heading; _json.object["make"]["home_button_text"].arrayNoRef) {
+            _match_home_button_text_array ~= _match_heading.str;
+          }
+          string _match_home_button_text_str = (_match_home_button_text_array).join("; ");
+          _struct_composite.make_str.home_button_text = _match_home_button_text_str;
+        }
+      }
+      if ("italics" in _json.object["make"]
+        && (_json.object["make"]["italics"].type().to!string == "string")
+      ) {
+        _struct_composite.make_str.italics = _json.object["make"]["italics"].str;
+      }
+      if ("auto_num_top_at_level" in _json.object["make"] // str == A - D, 1 - 4
+        && (_json.object["make"]["auto_num_top_at_level"].type().to!string == "string")
+      ) {
+        _struct_composite.make_str.auto_num_top_at_level = _json.object["make"]["auto_num_top_at_level"].str;
+        switch (_json.object["make"]["auto_num_top_at_level"].str) {
+        case "A":
+          break;
+        case "B": _struct_composite.make_str.auto_num_top_lv = 1;
+          break;
+        case "C": _struct_composite.make_str.auto_num_top_lv = 2;
+          break;
+        case "D": _struct_composite.make_str.auto_num_top_lv = 3;
+          break;
+        case "1": _struct_composite.make_str.auto_num_top_lv = 4;
+          break;
+        case "2": _struct_composite.make_str.auto_num_top_lv = 5;
+          break;
+        case "3": _struct_composite.make_str.auto_num_top_lv = 6;
+          break;
+        case "4": _struct_composite.make_str.auto_num_top_lv = 7;
+          break;
+        default:
+          break;
+        }
+      }
+      if ("auto_num_depth" in _json.object["make"]) {
+        if (_json.object["make"]["auto_num_depth"].type().to!string == "int") { // TODO watch this match
+          _struct_composite.make_str.auto_num_depth = _json.object["make"]["auto_num_depth"].integer.to!int;
+        } else if (_json.object["make"]["auto_num_depth"].type().to!string == "string") {
+          _struct_composite.make_str.auto_num_depth = _json.object["make"]["auto_num_depth"].str.to!int;
+        }
+      }
+      if ("substitute" in _json.object["make"]) {
+        string[][] _sub;
+        if (_json.object["make"]["substitute"].type().to!string == "array") {
+          if (_json.object["make"]["substitute"][0].type().to!string == "array") {
+            foreach (substitute_pair; _json.object["make"]["substitute"].arrayNoRef) {
+              if ((substitute_pair.type().to!string) == "array") {
+                if (!empty(substitute_pair[0].str) && !empty(substitute_pair[1].str)) {
+                  _sub ~= [ substitute_pair[0].str,  substitute_pair[1].str];
+                }
+              }
+            }
+          } else if (_json.object["make"]["substitute"][0].type().to!string == "string") {
+             if (!empty(_json.object["make"]["substitute"][0].str) && !empty(_json.object["make"]["substitute"][1].str)) {
+               _sub = [[_json.object["make"]["substitute"][0].str, _json.object["make"]["substitute"][1].str]];
+             }
+          }
+        }
+        // writeln(_sub);
+        _struct_composite.make_str.substitute  = _sub;
+      }
+      if ("texpdf_font" in _json.object["make"]
+        && (_json.object["make"]["texpdf_font"].type().to!string == "string")
+      ) {
+        _struct_composite.make_str.texpdf_font  = _json.object["make"]["texpdf_font"].str;
+      }
+      _struct_composite.make.bold                     = _mk.bold(_struct_composite.make_str.bold);
+      _struct_composite.make.breaks                   = _mk.breaks(_struct_composite.make_str.breaks);
+      _struct_composite.make.cover_image              = _mk.cover_image(_struct_composite.make_str.cover_image);
+      _struct_composite.make.css                      = _mk.css(_struct_composite.make_str.css);
+      _struct_composite.make.emphasis                 = _mk.emphasis(_struct_composite.make_str.emphasis);
+      _struct_composite.make.footer                   = _mk.footer(_struct_composite.make_str.footer);
+      _struct_composite.make.headings                 = _mk.headings(_struct_composite.make_str.headings);
+      _struct_composite.make.home_button_image        = _mk.home_button_image(_struct_composite.make_str.home_button_image);
+      _struct_composite.make.home_button_text         = _mk.home_button_text(_struct_composite.make_str.home_button_text);
+      _struct_composite.make.italics                  = _mk.italics(_struct_composite.make_str.italics);
+      _struct_composite.make.auto_num_top_at_level    = _mk.auto_num_top_at_level(_struct_composite.make_str.auto_num_top_at_level);
+      _struct_composite.make.auto_num_top_lv          = _mk.auto_num_top_lv(_struct_composite.make_str.auto_num_top_lv);
+      _struct_composite.make.auto_num_depth           = _mk.auto_num_depth(_struct_composite.make_str.auto_num_depth);
+      _struct_composite.make.substitute               = _mk.substitute(_struct_composite.make_str.substitute);
+      _struct_composite.make.texpdf_font              = _mk.texpdf_font(_struct_composite.make_str.texpdf_font);
+    }
+    /+ conf ------------------------------------------------------------------- +/
+    if ("webserv" in _json.object) {
+      if ("data_root_url" in _json.object["webserv"]
+        && (_json.object["webserv"]["data_root_url"].type().to!string == "string")
+      ) {
+        _struct_composite.conf.w_srv_data_root_url = _json.object["webserv"]["data_root_url"].str;
+        if (auto m = _struct_composite.conf.w_srv_data_root_url.match(rgx.webserv_data_root_url)) {
+          _struct_composite.conf.w_srv_url_host = m.captures[2].to!string;
+          _struct_composite.conf.w_srv_url_doc_path = m.captures[3].to!string;
+        }
+      }
+      if ("images" in _json.object["webserv"]
+        && (_json.object["webserv"]["images"].type().to!string == "string")
+      ) {
+        _struct_composite.conf.w_srv_images = _json.object["webserv"]["images"].str;
+      }
+      if ("cgi" in _json.object["webserv"]
+        && (_json.object["webserv"]["cgi"].type().to!string == "string")
+      ) {
+        _struct_composite.conf.w_srv_cgi = _json.object["webserv"]["cgi"].str;
+      }
+      if ("cgi_host" in _json.object["webserv"]
+        && (_json.object["webserv"]["cgi_host"].type().to!string == "string")
+      ) {
+        _struct_composite.conf.w_srv_cgi_host = _json.object["webserv"]["cgi_host"].str;
+      }
+      if ("cgi_host_path" in _json.object["webserv"]
+        && (_json.object["webserv"]["cgi_host_path"].type().to!string == "string")
+      ) {
+        _struct_composite.conf.w_srv_cgi_host_path = _json.object["webserv"]["cgi_host_path"].str;
+      }
+      if ("cgi_port" in _json.object["webserv"]
+        && (_json.object["webserv"]["cgi_port"].type().to!string == "string")
+      ) {
+        _struct_composite.conf.w_srv_cgi_port = _json.object["webserv"]["cgi_port"].str;
+      }
+      if ("cgi_user" in _json.object["webserv"]
+        && (_json.object["webserv"]["cgi_user"].type().to!string == "string")
+      ) {
+        _struct_composite.conf.w_srv_cgi_user = _json.object["webserv"]["cgi_user"].str;
+      }
+      if ("cgi_file_links" in _json.object["webserv"]
+        && (_json.object["webserv"]["cgi_file_links"].type().to!string == "string")
+      ) {
+        _struct_composite.conf.w_srv_cgi_file_links = _json.object["webserv"]["cgi_file_links"].str;
+      }
+    }
+    if ("processing" in _json.object) {
+      if ("path" in _json.object["processing"]
+        && (_json.object["processing"]["path"].type().to!string == "string")
+      ) {
+        _struct_composite.conf.processing_path = _json.object["processing"]["path"].str;
+      }
+      if ("dir" in _json.object["processing"]
+        && (_json.object["processing"]["dir"].type().to!string == "string")
+      ) {
+        _struct_composite.conf.processing_dir = _json.object["processing"]["dir"].str;
+      }
+      if ("concord_max" in _json.object["processing"]
+        && (_json.object["processing"]["concord_max"].type().to!string == "string")
+      ) {
+        _struct_composite.conf.processing_concord_max = _json.object["processing"]["concord_max"].str;
+      }
+    }
+    if ("flag" in _json.object) {
+      if ("act0" in _json.object["flag"]
+        && (_json.object["flag"]["act0"].type().to!string == "string")
+      ) {
+        _struct_composite.conf.flag_act0 = _json.object["flag"]["act0"].str;
+      }
+      if ("act1" in _json.object["flag"]
+        && (_json.object["flag"]["act1"].type().to!string == "string")
+      ) {
+        _struct_composite.conf.flag_act1 = _json.object["flag"]["act1"].str;
+      }
+      if ("act2" in _json.object["flag"]
+        && (_json.object["flag"]["act2"].type().to!string == "string")
+      ) {
+        _struct_composite.conf.flag_act2 = _json.object["flag"]["act2"].str;
+      }
+      if ("act3" in _json.object["flag"]
+        && (_json.object["flag"]["act3"].type().to!string == "string")
+      ) {
+        _struct_composite.conf.flag_act3 = _json.object["flag"]["act3"].str;
+      }
+      if ("act4" in _json.object["flag"]
+        && (_json.object["flag"]["act4"].type().to!string == "string")
+      ) {
+        _struct_composite.conf.flag_act4 = _json.object["flag"]["act4"].str;
+      }
+      if ("act5" in _json.object["flag"]
+        && (_json.object["flag"]["act5"].type().to!string == "string")
+      ) {
+        _struct_composite.conf.flag_act5 = _json.object["flag"]["act5"].str;
+      }
+      if ("act6" in _json.object["flag"]
+        && (_json.object["flag"]["act6"].type().to!string == "string")
+      ) {
+        _struct_composite.conf.flag_act6 = _json.object["flag"]["act6"].str;
+      }
+      if ("act7" in _json.object["flag"]
+        && (_json.object["flag"]["act7"].type().to!string == "string")
+      ) {
+        _struct_composite.conf.flag_act7 = _json.object["flag"]["act7"].str;
+      }
+      if ("act8" in _json.object["flag"]
+        && (_json.object["flag"]["act8"].type().to!string == "string")
+      ) {
+        _struct_composite.conf.flag_act8 = _json.object["flag"]["act8"].str;
+      }
+      if ("act9" in _json.object["flag"]
+        && (_json.object["flag"]["act9"].type().to!string == "string")
+      ) {
+        _struct_composite.conf.flag_act9 = _json.object["flag"]["act9"].str;
+      }
+    }
+    if ("default" in _json.object) {
+      if ("papersize" in _json.object["default"]
+        && (_json.object["default"]["papersize"].type().to!string == "string")
+      ) {
+        _struct_composite.conf.set_papersize = _json.object["default"]["papersize"].str;
+      }
+      if ("text_wrap" in _json.object["default"]
+        && (_json.object["default"]["text_wrap"].type().to!string == "string")
+      ) {
+        _struct_composite.conf.set_text_wrap = _json.object["default"]["text_wrap"].str;
+      }
+      if ("emphasis" in _json.object["default"]
+        && (_json.object["default"]["emphasis"].type().to!string == "string")
+      ) {
+        _struct_composite.conf.set_emphasis = _json.object["default"]["emphasis"].str;
+      }
+      if ("language" in _json.object["default"]
+        && (_json.object["default"]["language"].type().to!string == "string")
+      ) {
+        _struct_composite.conf.set_language = _json.object["default"]["language"].str;
+      }
+      if ("digest" in _json.object["default"]
+        && (_json.object["default"]["digest"].type().to!string == "string")
+      ) {
+        _struct_composite.conf.set_digest = _json.object["default"]["digest"].str;
+      }
+    }
+    if ("search" in _json.object) {
+      if ("flag" in _json.object["search"]
+        && (_json.object["search"]["flag"].type().to!string == "string")
+      ) {
+        _struct_composite.conf.search_flag = _json.object["search"]["flag"].str;
+      }
+      if ("action" in _json.object["search"]
+        && (_json.object["search"]["action"].type().to!string == "string")
+      ) {
+        _struct_composite.conf.search_action = _json.object["search"]["action"].str;
+      }
+      if ("db" in _json.object["search"]
+        && (_json.object["search"]["db"].type().to!string == "string")
+      ) {
+        _struct_composite.conf.search_db = _json.object["search"]["db"].str;
+      }
+      if ("title" in _json.object["search"]
+        && (_json.object["search"]["title"].type().to!string == "string")
+      ) {
+        _struct_composite.conf.search_title = _json.object["search"]["title"].str;
+      }
+    }
+    /+ meta ------------------------------------------------------------------- +/
+    if (_struct_composite.meta.creator_author.empty) {
+      if ("creator" in _json.object) {
+        if ("author" in _json.object["creator"]
+          && (_json.object["creator"]["author"].type().to!string == "string")
+        ) {
+          _struct_composite.meta.creator_author = _json.object["creator"]["author"].str;
+        }
+        if ("email" in _json.object["creator"]
+          && (_json.object["creator"]["email"].type().to!string == "string")
+        ) {
+          _struct_composite.meta.creator_author_email = _json.object["creator"]["email"].str;
+        }
+        if ("illustrator" in _json.object["creator"]
+          && (_json.object["creator"]["illustrator"].type().to!string == "string")
+        ) {
+          _struct_composite.meta.creator_illustrator = _json.object["creator"]["illustrator"].str;
+        }
+        if ("translator" in _json.object["creator"]
+          && (_json.object["creator"]["translator"].type().to!string == "string")
+        ) {
+          _struct_composite.meta.creator_translator = _json.object["creator"]["translator"].str;
+        }
+      }
+      string[] author_arr;
+      string[][string] authors_hash_arr = [ "first" : [], "last" : [], "full" : [], "last_first" : [], "as_input" : [] ];
+      string[] authors_raw_arr
+        = _struct_composite.meta.creator_author.split(rgx.arr_delimiter);
+      auto _lastname = appender!(char[])();
+      foreach (author_raw; authors_raw_arr) {
+        if (auto m = author_raw.match(rgx.raw_author_munge)) {
+          author_arr                   ~= author_raw.replace(rgx.raw_author_munge, "$2 $1");
+          authors_hash_arr["first"]    ~= author_raw.replace(rgx.raw_author_munge, "$2");
+          authors_hash_arr["last"]     ~= author_raw.replace(rgx.raw_author_munge, "$1");
+          authors_hash_arr["full"]     ~= author_raw.replace(rgx.raw_author_munge, "$2 $1");
+          (m.captures[1]).map!toUpper.copy(_lastname);
+          authors_hash_arr["last_first"] ~= _lastname.data.to!string ~ ", " ~ m.captures[2];
+          _lastname = appender!(char[])();
+        } {
+          author_arr                     ~= author_raw;
+          authors_hash_arr["last"]       ~= author_raw;
+          authors_hash_arr["full"]       ~= author_raw;
+          authors_hash_arr["last_first"] ~= author_raw;
+        }
+        authors_hash_arr["as_input"] ~= author_raw;
+      }
+      _struct_composite.meta.creator_author_arr = author_arr;
+      _struct_composite.meta.creator_author     = author_arr.join(", ").chomp.chomp;
+      _struct_composite.meta.creator_author_surname = (authors_hash_arr["last"].length > 0) ? authors_hash_arr["last"][0] : "";
+      string _author_name_last_first = authors_hash_arr["last_first"].join("; ").chomp.chomp;
+      _struct_composite.meta.creator_author_surname_fn = (_author_name_last_first.length > 0)
+      ? _author_name_last_first
+      : authors_hash_arr["as_input"].join("; ").chomp.chomp;
+    }
+    if (_struct_composite.meta.title_main.empty) {
+      if ("title" in _json.object) {
+        if ((_json.object["title"].type().to!string) == "string") {
+          _struct_composite.meta.title_main = _json.object["title"].str;
+        } else {
+          if ("edition" in _json.object["title"]
+            && (_json.object["title"]["edition"].type().to!string == "string")
+          ) {
+            _struct_composite.meta.title_edition = _json.object["title"]["edition"].str;
+          }
+          if ("full" in _json.object["title"]
+            && (_json.object["title"]["full"].type().to!string == "string")
+          ) {}
+          if ("language" in _json.object["title"]
+            && (_json.object["title"]["language"].type().to!string == "string")
+          ) {
+            _struct_composite.meta.title_language = _json.object["title"]["language"].str;
+          }
+          if ("main" in _json.object["title"]
+            && (_json.object["title"]["main"].type().to!string == "string")
+          ) {
+            _struct_composite.meta.title_main = _json.object["title"]["main"].str;
+          } else if ("title" in _json.object["title"]
+            && (_json.object["title"]["title"].type().to!string == "string")
+          ) {
+            _struct_composite.meta.title_main = _json.object["title"]["title"].str;
+          }
+          if ("note" in _json.object["title"]
+            && (_json.object["title"]["note"].type().to!string == "string")
+          ) {
+            _struct_composite.meta.title_note = _json.object["title"]["note"].str;
+          }
+          if ("sub" in _json.object["title"]
+            && (_json.object["title"]["sub"].type().to!string == "string")
+          ) {
+            _struct_composite.meta.title_sub = _json.object["title"]["sub"].str;
+          }
+          if ("subtitle" in _json.object["title"]
+            && (_json.object["title"]["subtitle"].type().to!string == "string")
+          ) {
+            _struct_composite.meta.title_subtitle = _json.object["title"]["subtitle"].str;
+          }
+        }
+      }
+      if ((!(_struct_composite.meta.title_subtitle.empty))
+      && (_struct_composite.meta.title_sub.empty)) {
+        _struct_composite.meta.title_sub = _struct_composite.meta.title_subtitle;
+      }
+      _struct_composite.meta.title_full = (_struct_composite.meta.title_sub.empty)
+      ? _struct_composite.meta.title_main
+      : format(
+          "%s - %s",
+          _struct_composite.meta.title_main,
+          _struct_composite.meta.title_sub,
+        );
+    }
+    if ("classify" in _json.object) {
+      if ("dewey" in _json.object["classify"]
+        && (_json.object["classify"]["dewey"].type().to!string == "string")
+      ) {
+        _struct_composite.meta.classify_dewey = _json.object["classify"]["dewey"].str;
+      }
+      if ("keywords" in _json.object["classify"]
+        && (_json.object["classify"]["keywords"].type().to!string == "string")
+      ) {
+        _struct_composite.meta.classify_keywords = _json.object["classify"]["keywords"].str;
+      }
+      if ("loc" in _json.object["classify"]
+        && (_json.object["classify"]["loc"].type().to!string == "string")
+      ) {
+        _struct_composite.meta.classify_loc = _json.object["classify"]["loc"].str;
+      }
+      if ("subject" in _json.object["classify"]
+        && (_json.object["classify"]["subject"].type().to!string == "string")
+      ) {
+        _struct_composite.meta.classify_subject = _json.object["classify"]["subject"].str;
+      }
+      if ("topic_register" in _json.object["classify"]
+        && (_json.object["classify"]["topic_register"].type().to!string == "string")
+      ) {
+        _struct_composite.meta.classify_topic_register = _json.object["classify"]["topic_register"].str.strip;
+        string[] main_topics_ = _struct_composite.meta.classify_topic_register.strip.split(rgx.topic_register_main_terms_split);
+        string[] topics;
+        string   topics_tmp;
+        string[] multiple_sub_terms;
+        foreach (mt; main_topics_) {
+          topics_tmp = mt.replaceAll(rgx.topic_register_main_term_plus_rest_split,    mkup.sep);
+          if (auto m = topics_tmp.match(rgx.topic_register_multiple_sub_terms_split)) {
+            multiple_sub_terms = m.captures[1].split(rgx.topic_register_sub_terms_split);
+            foreach (subterm; multiple_sub_terms) {
+              topics ~= m.captures.pre ~ mkup.sep ~ subterm;
+            }
+          } else {
+            topics ~= topics_tmp;
+          }
+        }
+        _struct_composite.meta.classify_topic_register_arr = topics;
+      }
+    }
+    if ("date" in _json.object) {
+      if ("added_to_site" in _json.object["date"]
+        && (_json.object["date"]["added_to_site"].type().to!string == "string")
+      ) {
+        _struct_composite.meta.date_added_to_site = _json.object["date"]["added_to_site"].str;
+      }
+      if ("available" in _json.object["date"]
+        && (_json.object["date"]["available"].type().to!string == "string")
+      ) {
+        _struct_composite.meta.date_available = _json.object["date"]["available"].str;
+      }
+      if ("created" in _json.object["date"]
+        && (_json.object["date"]["created"].type().to!string == "string")
+      ) {
+        _struct_composite.meta.date_created = _json.object["date"]["created"].str;
+      }
+      if ("issued" in _json.object["date"]
+        && (_json.object["date"]["issued"].type().to!string == "string")
+      ) {
+        _struct_composite.meta.date_issued = _json.object["date"]["issued"].str;
+      }
+      if ("modified" in _json.object["date"]
+        && (_json.object["date"]["modified"].type().to!string == "string")
+      ) {
+        _struct_composite.meta.date_modified = _json.object["date"]["modified"].str;
+      }
+      if ("published" in _json.object["date"]
+        && (_json.object["date"]["published"].type().to!string == "string")
+      ) {
+        _struct_composite.meta.date_published = _json.object["date"]["published"].str;
+      }
+      if ("valid" in _json.object["date"]
+        && (_json.object["date"]["valid"].type().to!string == "string")
+      ) {
+        _struct_composite.meta.date_valid = _json.object["date"]["valid"].str;
+      }
+      _struct_composite.meta.language_document_char = _manifested.src.language;
+    }
+    if ("links" in _json.object) {}
+    if ("notes" in _json.object) {
+      if ("abstract" in _json.object["notes"]
+        && (_json.object["notes"]["abstract"].type().to!string == "string")
+      ) {
+        _struct_composite.meta.notes_abstract = _json.object["notes"]["abstract"].str;
+      }
+      if ("description" in _json.object["notes"]
+        && (_json.object["notes"]["description"].type().to!string == "string")
+      ) {
+        _struct_composite.meta.notes_description = _json.object["notes"]["description"].str;
+      }
+    }
+    if ("original" in _json.object) {
+      if ("language" in _json.object["original"]
+        && (_json.object["original"]["language"].type().to!string == "string")
+      ) {
+        _struct_composite.meta.original_language = _json.object["original"]["language"].str;
+      }
+      if ("language_char" in _json.object["original"]
+        && (_json.object["original"]["language_char"].type().to!string == "string")
+      ) {
+        _struct_composite.meta.original_language_char = _json.object["original"]["language_char"].str;
+      }
+      if ("source" in _json.object["original"]
+        && (_json.object["original"]["source"].type().to!string == "string")
+      ) {
+        _struct_composite.meta.original_source = _json.object["original"]["source"].str;
+      }
+      if ("title" in _json.object["original"]
+        && (_json.object["original"]["title"].type().to!string == "string")
+      ) {
+        _struct_composite.meta.original_title = _json.object["original"]["title"].str;
+      }
+    }
+    if ("publisher" in _json.object) {}
+    if ("rights" in _json.object) {
+      if ("copyright" in _json.object["rights"]
+        && (_json.object["rights"]["copyright"].type().to!string == "string")
+      ) {
+        _struct_composite.meta.rights_copyright = _json.object["rights"]["copyright"].str;
+      }
+      if ("copyright_text" in _json.object["rights"]
+        && (_json.object["rights"]["copyright_text"].type().to!string == "string")
+      ) {
+        _struct_composite.meta.rights_copyright_text = _json.object["rights"]["copyright_text"].str;
+      }
+      if ("copyright_audio" in _json.object["rights"]
+        && (_json.object["rights"]["copyright_audio"].type().to!string == "string")
+      ) {
+        _struct_composite.meta.rights_copyright_audio = _json.object["rights"]["copyright_audio"].str;
+      }
+      if ("copyright_cover" in _json.object["rights"]
+        && (_json.object["rights"]["copyright_cover"].type().to!string == "string")
+      ) {
+        _struct_composite.meta.rights_copyright_cover = _json.object["rights"]["copyright_cover"].str;
+      }
+      if ("copyright_illustrations" in _json.object["rights"]
+        && (_json.object["rights"]["copyright_illustrations"].type().to!string == "string")
+      ) {
+        _struct_composite.meta.rights_copyright_illustrations = _json.object["rights"]["copyright_illustrations"].str;
+      }
+      if ("copyright_photographs" in _json.object["rights"]
+        && (_json.object["rights"]["copyright_photographs"].type().to!string == "string")
+      ) {
+        _struct_composite.meta.rights_copyright_photographs = _json.object["rights"]["copyright_photographs"].str;
+      }
+      if ("copyright_translation" in _json.object["rights"]
+        && (_json.object["rights"]["copyright_translation"].type().to!string == "string")
+      ) {
+        _struct_composite.meta.rights_copyright_translation = _json.object["rights"]["copyright_translation"].str;
+      }
+      if ("copyright_video" in _json.object["rights"]
+        && (_json.object["rights"]["copyright_video"].type().to!string == "string")
+      ) {
+        _struct_composite.meta.rights_copyright_video = _json.object["rights"]["copyright_video"].str;
+      }
+      if ("license" in _json.object["rights"]
+        && (_json.object["rights"]["license"].type().to!string == "string")
+      ) {
+        _struct_composite.meta.rights_license = _json.object["rights"]["license"].str;
+      }
+    }
+    return _struct_composite;
+  }
+}
diff --git a/src/sisudoc/meta/conf_make_meta_structs.d b/src/sisudoc/meta/conf_make_meta_structs.d
new file mode 100644
index 0000000..5322220
--- /dev/null
+++ b/src/sisudoc/meta/conf_make_meta_structs.d
@@ -0,0 +1,316 @@
+/+
+- Name: SisuDoc Spine, Doc Reform [a part of]
+  - Description: documents, structuring, processing, publishing, search
+    - static content generator
+
+  - Author: Ralph Amissah
+    [ralph.amissah@gmail.com]
+
+  - Copyright: (C) 2015 - 2024 Ralph Amissah, All Rights Reserved.
+
+  - License: AGPL 3 or later:
+
+    Spine (SiSU), a framework for document structuring, publishing and
+    search
+
+    Copyright (C) Ralph Amissah
+
+    This program is free software: you can redistribute it and/or modify it
+    under the terms of the GNU AFERO General Public License as published by the
+    Free Software Foundation, either version 3 of the License, or (at your
+    option) any later version.
+
+    This program is distributed in the hope that it will be useful, but WITHOUT
+    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+    FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+    more details.
+
+    You should have received a copy of the GNU General Public License along with
+    this program. If not, see [https://www.gnu.org/licenses/].
+
+    If you have Internet connection, the latest version of the AGPL should be
+    available at these locations:
+    [https://www.fsf.org/licensing/licenses/agpl.html]
+    [https://www.gnu.org/licenses/agpl.html]
+
+  - Spine (by Doc Reform, related to SiSU) uses standard:
+    - docReform markup syntax
+      - standard SiSU markup syntax with modified headers and minor modifications
+    - docReform object numbering
+      - standard SiSU object citation numbering & system
+
+  - Homepages:
+    [https://www.sisudoc.org]
+    [https://www.doc-reform.org]
+
+  - Git
+    [https://git.sisudoc.org/]
+
++/
+module sisudoc.meta.conf_make_meta_structs;
+@safe:
+import
+  std.exception,
+  std.json,
+  std.path,
+  std.regex,
+  std.stdio,
+  std.string,
+  std.typecons,
+  std.utf,
+  std.conv : to;
+import
+  sisudoc.meta.defaults,
+  sisudoc.meta.rgx_yaml,
+  sisudoc.meta.rgx;
+mixin spineRgxIn;
+static auto rgx = RgxI();
+mixin spineRgxYamlTags;
+static auto rgx_y = RgxYaml();
+mixin InternalMarkup;
+static auto mkup = InlineMarkup();
+string url_markup(string line) {
+  string line_ = line
+    .replaceAll(
+      rgx.smid_inline_link_markup_regular,
+      ("$1"
+        ~ mkup.lnk_o ~ "$2" ~ mkup.lnk_c
+        ~ mkup.url_o ~ "$3" ~ mkup.url_c
+      ) // ("$1{ $2 }$3$4")
+    )
+    .replaceAll(
+        rgx.smid_inline_link_naked_url,
+        ("$1"
+          ~ mkup.lnk_o ~ "$2" ~ mkup.lnk_c
+          ~ mkup.url_o ~ "$2" ~ mkup.url_c
+        ) // ("$1{ $2 }$2$3")
+    )
+    .replaceAll(
+       rgx.arr_delimiter,
+       mkup.br_line
+    );
+  return line_;
+}
+struct ConfCompositeMakeStr {
+  string     doc_type = "book"; // book, article
+  string     breaks;
+  string     bold;
+  string     cover_image;
+  string     css;
+  string     emphasis;
+  string[]   footer;
+  string[]   headings;
+  string[]   home_button_image;
+  string     home_button_text = "┥Spine, Doc Reform┝┤https://www.doc-reform.org├"
+    ~ " ┥www.doc-reform.org┝┤https://www.doc-reform.org├"
+    ~ " ┥sources / git┝┤https://git.doc-reform.org/software/spine├";
+  string     italics;
+  string     auto_num_top_at_level;
+  int        auto_num_top_lv           = 9;
+  int        auto_num_depth            = 2;
+  string[][] substitute;
+  string     texpdf_font;
+}
+@trusted struct confCompositeMakeBuild {
+  string[] bold(string _mk) {
+    string[] _out;
+    if (_mk) {
+      _out = [ (cast(string) (`(` ~ _mk.dup ~ `)`)), "*{$1}*", "$1"];
+    }
+    return _out;
+  }
+  string doc_type(string _mk) {
+    return _mk;
+  }
+  string breaks(string _mk) {
+    return _mk;
+  }
+  string cover_image(string _mk) {
+    return _mk;
+  }
+  string css(string _mk) {
+    return _mk;
+  }
+  string[] emphasis(string _mk) {
+    string[] _out;
+    if (_mk) {
+      _out = [ (cast(string) (`(` ~ _mk.dup ~ `)`)), "!{$1}!", "$1" ];
+    }
+    return _out;
+  }
+  string[] footer(string[] _mk) {
+    string line_;
+    string[] _mk2;
+    foreach (line; _mk) {
+      _mk2 ~= url_markup(line);
+    }
+    return _mk2;
+  }
+  string[] headings(string[] _mk) {
+    return _mk;
+  }
+  string[] home_button_image(string[] _mk) {
+    return _mk;
+  }
+  string home_button_text(string _mk) {
+    return url_markup(_mk);
+  }
+  string[] italics(string _mk) {
+    string[] _out;
+    if (_mk) {
+      _out = [ (cast(string) (`(` ~ _mk.dup ~ `)`)), "/{$1}/", "$1" ];
+    }
+    return _out;
+  }
+  string auto_num_top_at_level(string _mk) {
+    return _mk;
+  }
+  int auto_num_top_lv(int _mk) {
+    return _mk;
+  }
+  int auto_num_depth(int _mk) {
+    return _mk;
+  }
+  string[][] substitute(string[][] _mk) {
+    return _mk;
+  }
+  string texpdf_font(string _mk) {
+    return _mk;
+  }
+}
+struct ConfCompositeMakeInit {
+  string     doc_type;
+  string     breaks;
+  string     cover_image;
+  string     css;
+  string[]   bold;
+  string[]   emphasis;
+  string[]   footer;
+  string[]   headings;
+  string[]   home_button_image;
+  string     home_button_text = "┥Spine, Doc Reform┝┤https://www.doc-reform.org├"
+    ~ " ┥www.doc-reform.org┝┤https://www.doc-reform.org├"
+    ~ " ┥sources / git┝┤https://git.doc-reform.org/software/spine├";
+  string[] italics;
+  string     auto_num_top_at_level;
+  int        auto_num_top_lv               = 9;
+  int        auto_num_depth                = 2;
+  string[][] substitute;
+  string     texpdf_font;
+}
+struct ConfCompositeSiteLocal {
+  string   w_srv_http;
+  string   w_srv_host;
+  string   w_srv_data_http;            // if not set same as webserv_http
+  string   w_srv_data_host;            // if not set same as webserv_host
+  string   w_srv_data_root_part;
+  string   w_srv_data_root_url;
+  string   w_srv_data_root_url_html;
+  string   w_srv_data_root_path;
+  string   w_srv_images_root_part;
+  // string   w_srv_url_doc_path;
+  string   w_srv_cgi_search_form_title;
+  string   w_srv_cgi_http;             // if not set same as webserv_http
+  string   w_srv_cgi_host;             // if not set same as webserv_host
+  string   w_srv_cgi_bin_subpath;
+  string   w_srv_cgi_bin_path;
+  string   w_srv_cgi_search_script;
+  string   w_srv_cgi_search_script_raw_fn_d;
+  string   w_srv_cgi_port;
+  string   w_srv_cgi_user;
+  string   w_srv_cgi_action;
+  string   w_srv_cgi_bin_url;
+  string   w_srv_db_sqlite_filename;
+  string   w_srv_db_sqlite_path;
+  // string   w_srv_db_pg;
+  string   w_srv_db_pg_table;
+  string   w_srv_db_pg_user;
+  // string   webserv_cgi_file_links;
+  string   output_path;
+  string   processing_path;
+  string   processing_dir;
+  string   processing_concord_max;
+  string   flag_act0;
+  string   flag_act1;
+  string   flag_act2;
+  string   flag_act3;
+  string   flag_act4;
+  string   flag_act5;
+  string   flag_act6;
+  string   flag_act7;
+  string   flag_act8;
+  string   flag_act9;
+  string[] set_papersize;
+  string   set_text_wrap;
+  string   set_emphasis;
+  string   set_language;
+  string   set_digest;
+  string   permission_share_source;
+  string   search_flag;
+  string   search_action;
+  string   search_db;
+  string   search_title;
+}
+struct MetaComposite {
+  string   classify_dewey;
+  string   classify_keywords;
+  string   classify_loc;
+  string   classify_subject;
+  string   classify_topic_register;
+  string[] classify_topic_register_arr;
+  string[] classify_topic_register_expanded_arr; // experimental use in sqlite topics table
+  string[] creator_author_arr;
+  string   creator_author;
+  string   creator_author_surname_fn;
+  string   creator_author_surname;
+  string   creator_author_email;
+  string   creator_illustrator;
+  string   creator_translator;
+  string   date_added_to_site;
+  string   date_available;
+  string   date_created;
+  string   date_issued;
+  string   date_modified;
+  string   date_published;
+  string   date_valid;
+  string   identifier_isbn;
+  string   identifier_oclc;
+  string   identifier_pg;
+  string   language_document;
+  string   language_document_char;
+  string   links;
+  string   notes_abstract;
+  string   notes_description;
+  string   notes_summary;
+  string   original_language;
+  string   original_language_char;
+  string   original_publisher;
+  string   original_source;
+  string   original_title;
+  string   publisher;
+  string   rights_copyright;
+  string   rights_copyright_audio;
+  string   rights_copyright_cover;
+  string   rights_copyright_illustrations;
+  string   rights_copyright_photographs;
+  string   rights_copyright_text;
+  string   rights_copyright_translation;
+  string   rights_copyright_video;
+  string   rights_license;
+  string   title_edition;
+  string   title_full;
+  string   title_language;
+  string   title_main;
+  string   title_note;
+  string   title_short;
+  string   title_sub;
+  string   title_subtitle;
+}
+struct ConfComposite {
+  MetaComposite               meta;
+  ConfCompositeMakeInit       make;
+  ConfCompositeMakeStr        make_str;
+  ConfCompositeSiteLocal      conf;
+}
+JSONValue config_jsonstr = `{
+}`;
diff --git a/src/sisudoc/meta/conf_make_meta_yaml.d b/src/sisudoc/meta/conf_make_meta_yaml.d
new file mode 100644
index 0000000..ac97a21
--- /dev/null
+++ b/src/sisudoc/meta/conf_make_meta_yaml.d
@@ -0,0 +1,1277 @@
+/+
+- Name: SisuDoc Spine, Doc Reform [a part of]
+  - Description: documents, structuring, processing, publishing, search
+    - static content generator
+
+  - Author: Ralph Amissah
+    [ralph.amissah@gmail.com]
+
+  - Copyright: (C) 2015 - 2024 Ralph Amissah, All Rights Reserved.
+
+  - License: AGPL 3 or later:
+
+    Spine (SiSU), a framework for document structuring, publishing and
+    search
+
+    Copyright (C) Ralph Amissah
+
+    This program is free software: you can redistribute it and/or modify it
+    under the terms of the GNU AFERO General Public License as published by the
+    Free Software Foundation, either version 3 of the License, or (at your
+    option) any later version.
+
+    This program is distributed in the hope that it will be useful, but WITHOUT
+    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+    FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+    more details.
+
+    You should have received a copy of the GNU General Public License along with
+    this program. If not, see [https://www.gnu.org/licenses/].
+
+    If you have Internet connection, the latest version of the AGPL should be
+    available at these locations:
+    [https://www.fsf.org/licensing/licenses/agpl.html]
+    [https://www.gnu.org/licenses/agpl.html]
+
+  - Spine (by Doc Reform, related to SiSU) uses standard:
+    - docReform markup syntax
+      - standard SiSU markup syntax with modified headers and minor modifications
+    - docReform object numbering
+      - standard SiSU object citation numbering & system
+
+  - Homepages:
+    [https://www.sisudoc.org]
+    [https://www.doc-reform.org]
+
+  - Git
+    [https://git.sisudoc.org/]
+
++/
+/++
+  yaml headers

+  extract yaml header return struct
++/
+module sisudoc.meta.conf_make_meta_yaml;
+@safe:
+template contentYAMLtoSpineStruct() {
+  import
+    std.algorithm,
+    std.array,
+    std.exception,
+    std.path,
+    std.regex,
+    std.stdio,
+    std.string,
+    std.typecons,
+    std.utf,
+    std.conv : to;
+  import
+    sisudoc.meta.conf_make_meta_structs,
+    sisudoc.meta.defaults,
+    sisudoc.meta.rgx_yaml,
+    sisudoc.meta.rgx;
+  ConfComposite _struct_composite;
+  @system auto contentYAMLtoSpineStruct(C,Y,M,O,Cfg)(
+    C      _struct_composite,
+    Y      _yaml,
+    M      _manifested,
+    O      _opt_action,
+    Cfg    _cfg,
+    string _identifier
+  ) {
+    mixin spineRgxIn;
+    static auto rgx = RgxI();
+    mixin spineRgxYamlTags;
+    static auto rgx_y = RgxYaml();
+    string check_input_markup()(
+      string _txt,
+    ) {
+      _txt = _txt
+       .replaceAll(regex(r"\\"), mkup.br_line_inline)
+       .strip;
+      return _txt;
+    }
+    confCompositeMakeBuild _mk;
+    if (_identifier != "header") { // called only once per run anyway
+      /+ conf ------------------------------------------------------------------- +/
+      /+
+       _cfg. build defaults (else program runtime defaults)
+       local_site_configuration defaults
+       command line overrides
+      +/
+      {
+        if (_opt_action.webserver_http.length > 0) {
+          _struct_composite.conf.w_srv_http
+            = _opt_action.webserver_http;
+        } else {
+          _struct_composite.conf.w_srv_http
+            = (_cfg.http_request_type.empty)
+              ? "http"
+              : _cfg.http_request_type;
+          if (("webserv" in _yaml && _yaml["webserv"].type.sequence)
+            && (_yaml["webserv"].type.mapping
+              && _yaml["webserv"].tag.match(rgx_y.yaml_tag_is_map))
+          ) {
+            if ("http" in _yaml["webserv"]
+              && _yaml["webserv"]["http"].type.string
+              && _yaml["webserv"]["http"].tag.match(rgx_y.yaml_tag_is_str)
+            ) {
+              _struct_composite.conf.w_srv_http
+                = _yaml["webserv"]["http"].get!string;
+            }
+          }
+        }
+        if (_opt_action.cgi_search_title.length > 0) {
+          _struct_composite.conf.w_srv_cgi_search_form_title
+            = _opt_action.cgi_search_title;
+        } else {
+          _struct_composite.conf.w_srv_cgi_search_form_title
+            = (_cfg.cgi_search_form_title.empty)
+              ? "≅ SiSU spine search form"
+              : _cfg.cgi_search_form_title;
+          if (("webserv" in _yaml && _yaml["webserv"].type.sequence)
+            && (_yaml["webserv"].type.mapping
+              && _yaml["webserv"].tag.match(rgx_y.yaml_tag_is_map))
+          ) {
+            if ("cgi_search_form_title" in _yaml["webserv"]
+              && _yaml["webserv"]["cgi_search_form_title"].type.string
+              && _yaml["webserv"]["cgi_search_form_title"].tag.match(rgx_y.yaml_tag_is_str)
+            ) {
+              _struct_composite.conf.w_srv_cgi_search_form_title
+                = _yaml["webserv"]["cgi_search_form_title"].get!string;
+            }
+          }
+        }
+        if (_opt_action.cgi_sqlite_search_filename.length > 0) {
+          _struct_composite.conf.w_srv_cgi_search_script
+            = _opt_action.cgi_sqlite_search_filename;
+        } else {
+          _struct_composite.conf.w_srv_cgi_search_script
+            = (_cfg.cgi_filename.empty)
+              ? "spine_search"
+              : _cfg.cgi_filename;
+          if (("webserv" in _yaml && _yaml["webserv"].type.sequence)
+            && (_yaml["webserv"].type.mapping
+              && _yaml["webserv"].tag.match(rgx_y.yaml_tag_is_map))
+          ) {
+            if ("cgi_search_script" in _yaml["webserv"]
+              && _yaml["webserv"]["cgi_search_script"].type.string
+              && _yaml["webserv"]["cgi_search_script"].tag.match(rgx_y.yaml_tag_is_str)
+            ) {
+              _struct_composite.conf.w_srv_cgi_search_script
+                = _yaml["webserv"]["cgi_search_script"].get!string;
+            }
+          }
+        }
+        if (_opt_action.sqliteDB_filename.length > 0) {
+          _struct_composite.conf.w_srv_db_sqlite_filename
+            = _opt_action.sqliteDB_filename;
+        } else {
+          _struct_composite.conf.w_srv_db_sqlite_filename
+            = (_cfg.db_sqlite_filename.empty)
+              ?  "spine.search.db"
+              : _cfg.db_sqlite_filename;
+          if (("webserv" in _yaml && _yaml["webserv"].type.sequence)
+            && (_yaml["webserv"].type.mapping
+              && _yaml["webserv"].tag.match(rgx_y.yaml_tag_is_map))
+          ) {
+            if ("db_sqlite_filename" in _yaml["webserv"]
+              && _yaml["webserv"]["db_sqlite_filename"].type.string
+              && _yaml["webserv"]["db_sqlite_filename"].tag.match(rgx_y.yaml_tag_is_str)
+            ) {
+              _struct_composite.conf.w_srv_db_sqlite_filename
+                = _yaml["webserv"]["db_sqlite_filename"].get!string;
+            }
+          }
+        }
+        if (_opt_action.sqliteDB_path.length > 0) {
+          _struct_composite.conf.w_srv_db_sqlite_path
+            = _opt_action.sqliteDB_path;
+        } else {
+          _struct_composite.conf.w_srv_db_sqlite_path
+            = (_cfg.db_sqlite_path.empty)
+              ?  "/var/www/sqlite"
+              : _cfg.db_sqlite_path;
+          if (("webserv" in _yaml && _yaml["webserv"].type.sequence)
+            && (_yaml["webserv"].type.mapping
+              && _yaml["webserv"].tag.match(rgx_y.yaml_tag_is_map))
+          ) {
+            if ("db_sqlite_path" in _yaml["webserv"]
+              && _yaml["webserv"]["db_sqlite_path"].type.string
+              && _yaml["webserv"]["db_sqlite_path"].tag.match(rgx_y.yaml_tag_is_str)
+            ) {
+              _struct_composite.conf.w_srv_db_sqlite_path
+                = _yaml["webserv"]["db_sqlite_path"].get!string;
+            }
+          }
+        }
+        if (_opt_action.cgi_url_action.length > 0) {
+          _struct_composite.conf.w_srv_cgi_action
+            = _opt_action.cgi_url_action;
+        } else {
+          _struct_composite.conf.w_srv_cgi_action
+            = (_cfg.www_url_doc_root.empty)
+              ?  "http://locahost" // "https://sisudoc.org"
+              : _cfg.www_url_doc_root;
+          if (("webserv" in _yaml && _yaml["webserv"].type.sequence)
+            && (_yaml["webserv"].type.mapping
+              && _yaml["webserv"].tag.match(rgx_y.yaml_tag_is_map))
+          ) {
+            if ("cgi_action" in _yaml["webserv"]
+              && _yaml["webserv"]["cgi_action"].type.string
+              && _yaml["webserv"]["cgi_action"].tag.match(rgx_y.yaml_tag_is_str)
+            ) {
+              _struct_composite.conf.w_srv_cgi_action
+                = _yaml["webserv"]["cgi_action"].get!string;
+            } else if (_opt_action.cgi_sqlite_search_filename.length > 0) {
+              _struct_composite.conf.w_srv_cgi_action
+                = _struct_composite.conf.w_srv_cgi_bin_url ~ "/" ~ _opt_action.cgi_sqlite_search_filename;
+            }
+          }
+        }
+        if (!(_struct_composite.conf.output_path)) {
+          _struct_composite.conf.output_path = ((_manifested.output.path).asNormalizedPath).array;
+        } {
+          if (_opt_action.output_dir_set.length > 0) {
+            _struct_composite.conf.output_path
+              = (_opt_action.output_dir_set.asNormalizedPath).array;
+          } else {
+            _struct_composite.conf.output_path
+              = (_cfg.processing_path_doc_root.empty)
+                ?  "/srv/www/spine"
+                : _cfg.processing_path_doc_root;
+            if (("webserv" in _yaml && _yaml["webserv"].type.sequence)
+              && (_yaml["webserv"].type.mapping
+                && _yaml["webserv"].tag.match(rgx_y.yaml_tag_is_map))
+            ) {
+              if (_yaml["output"].type.mapping
+                && _yaml["output"].tag.match(rgx_y.yaml_tag_is_map)
+              ) {
+                if ("path" in _yaml["output"]
+                  && _yaml["output"]["path"].type.string
+                  && _yaml["output"]["path"].tag.match(rgx_y.yaml_tag_is_str)
+                ) {
+                  if (_manifested.output.path == _manifested.env.pwd
+                    && _yaml["output"]["path"].get!string.length > 0
+                  ) {
+                    _struct_composite.conf.output_path = (((_yaml["output"]["path"].get!string).expandTilde).asNormalizedPath).array;
+                  }
+                }
+              }
+            }
+          }
+          if (_opt_action.webserver_host_doc_root.length > 0) { // same as output_path immediately above, resolve FIX REMOVE
+            _struct_composite.conf.w_srv_data_root_path
+              = _opt_action.webserver_host_doc_root;
+          } else {
+            _struct_composite.conf.w_srv_data_root_path
+              = (_cfg.processing_path_doc_root.empty)
+                ? "/var/www/spine"
+                : _cfg.processing_path_doc_root;
+            if (("webserv" in _yaml && _yaml["webserv"].type.sequence)
+              && (_yaml["webserv"].type.mapping
+                && _yaml["webserv"].tag.match(rgx_y.yaml_tag_is_map))
+            ) {
+              if ("data_root_path" in _yaml["webserv"]
+                && _yaml["webserv"]["data_root_path"].type.string
+                && _yaml["webserv"]["data_root_path"].tag.match(rgx_y.yaml_tag_is_str)
+              ) {
+                _struct_composite.conf.w_srv_data_root_path
+                  = _yaml["webserv"]["data_root_path"].get!string;
+              }
+            }
+          }
+        }
+        if (_opt_action.cgi_bin_root.length > 0) {
+          _struct_composite.conf.w_srv_cgi_bin_path
+            = _opt_action.cgi_bin_root;
+        } else {
+          _struct_composite.conf.w_srv_cgi_bin_path
+            = (_cfg.cgi_bin_root.empty)
+              ? "/var/www/cgi/cgi-bin"
+              : _cfg.cgi_bin_root;
+          if (("webserv" in _yaml && _yaml["webserv"].type.sequence)
+            && (_yaml["webserv"].type.mapping
+              && _yaml["webserv"].tag.match(rgx_y.yaml_tag_is_map))
+          ) {
+            if ("cgi_bin_path" in _yaml["webserv"]
+              && _yaml["webserv"]["cgi_bin_path"].type.string
+              && _yaml["webserv"]["cgi_bin_path"].tag.match(rgx_y.yaml_tag_is_str)
+            ) {
+              _struct_composite.conf.w_srv_cgi_bin_path
+                = _yaml["webserv"]["cgi_bin_path"].get!string;
+            }
+          }
+        }
+        { _struct_composite.conf.w_srv_data_root_part
+            = "";
+          if (("webserv" in _yaml && _yaml["webserv"].type.sequence)
+            && (_yaml["webserv"].type.mapping
+              && _yaml["webserv"].tag.match(rgx_y.yaml_tag_is_map))
+          ) {
+            if ("data_root_part" in _yaml["webserv"]
+              && _yaml["webserv"]["data_root_part"].type.string
+              && _yaml["webserv"]["data_root_part"].tag.match(rgx_y.yaml_tag_is_str)
+            ) {
+              _struct_composite.conf.w_srv_data_root_part = _yaml["webserv"]["data_root_part"].get!string;
+            }
+          }
+        }
+        { _struct_composite.conf.w_srv_images_root_part
+            = "image";
+          if (("webserv" in _yaml && _yaml["webserv"].type.sequence)
+            && (_yaml["webserv"].type.mapping
+              && _yaml["webserv"].tag.match(rgx_y.yaml_tag_is_map))
+          ) {
+            if ("images_root_part" in _yaml["webserv"]
+              && _yaml["webserv"]["images_root_part"].type.string
+              && _yaml["webserv"]["images_root_part"].tag.match(rgx_y.yaml_tag_is_str)
+            ) {
+              _struct_composite.conf.w_srv_images_root_part = _yaml["webserv"]["images_root_part"].get!string;
+            }
+          }
+        }
+      }
+      if (("webserv" in _yaml
+        && _yaml["webserv"].type.sequence)
+        && (_yaml["webserv"].type.mapping
+          && _yaml["webserv"].tag.match(rgx_y.yaml_tag_is_map))
+      ) { // cannot be used as is with opt_action FIX look at remaining, decide what to do later
+          if ("data_http" in _yaml["webserv"]
+            && _yaml["webserv"]["data_http"].type.string
+            && _yaml["webserv"]["data_http"].tag.match(rgx_y.yaml_tag_is_str)
+          ) {
+            _struct_composite.conf.w_srv_data_http = _yaml["webserv"]["data_http"].get!string;
+          }
+          // if (_opt_action.*.length > 0) {
+          if ("cgi_http" in _yaml["webserv"]
+            && _yaml["webserv"]["cgi_http"].type.string
+            && _yaml["webserv"]["cgi_http"].tag.match(rgx_y.yaml_tag_is_str)
+          ) {
+            _struct_composite.conf.w_srv_cgi_http = _yaml["webserv"]["cgi_http"].get!string;
+          }
+          // if (_opt_action.*.length > 0) {
+          if ("host" in _yaml["webserv"]
+            && _yaml["webserv"]["host"].type.string
+            && _yaml["webserv"]["host"].tag.match(rgx_y.yaml_tag_is_str)
+          ) {
+            _struct_composite.conf.w_srv_host = _yaml["webserv"]["host"].get!string;
+          }
+          if ("data_root_url" in _yaml["webserv"]
+            && _yaml["webserv"]["data_root_url"].type.string
+            && _yaml["webserv"]["data_root_url"].tag.match(rgx_y.yaml_tag_is_str)
+          ) {
+            _struct_composite.conf.w_srv_data_root_url      = _yaml["webserv"]["data_root_url"].get!string;
+            _struct_composite.conf.w_srv_data_root_url_html =
+              _yaml["webserv"]["data_root_url"].get!string
+              ~ _struct_composite.conf.w_srv_data_root_part ~ "/"
+              ~ _manifested.src.language ~ "/"
+              ~ "html";
+          } else {
+            _struct_composite.conf.w_srv_data_root_url =  _struct_composite.conf.w_srv_data_root_part;
+            _struct_composite.conf.w_srv_data_root_url_html =
+              _struct_composite.conf.w_srv_data_root_part ~ "/"
+              ~ _manifested.src.language ~ "/"
+              ~ "html";
+          }
+          if ("cgi_host" in _yaml["webserv"]
+            && _yaml["webserv"]["cgi_host"].type.string
+            && _yaml["webserv"]["cgi_host"].tag.match(rgx_y.yaml_tag_is_str)
+          ) {
+            _struct_composite.conf.w_srv_cgi_host = _yaml["webserv"]["cgi_host"].get!string;
+          } else { // composite construct
+            _struct_composite.conf.w_srv_cgi_host = _struct_composite.conf.w_srv_host;
+          }
+          if ("cgi_bin_subpath" in _yaml["webserv"]
+            && _yaml["webserv"]["cgi_bin_subpath"].type.string
+            && _yaml["webserv"]["cgi_bin_subpath"].tag.match(rgx_y.yaml_tag_is_str)
+          ) {
+            _struct_composite.conf.w_srv_cgi_bin_subpath = _yaml["webserv"]["cgi_bin_subpath"].get!string;
+          }
+          if ("cgi_port" in _yaml["webserv"]
+            && _yaml["webserv"]["cgi_port"].type.string
+            && _yaml["webserv"]["cgi_port"].tag.match(rgx_y.yaml_tag_is_str)
+          ) {
+            _struct_composite.conf.w_srv_cgi_port = _yaml["webserv"]["cgi_port"].get!string;
+          }
+          if ("cgi_user" in _yaml["webserv"]
+            && _yaml["webserv"]["cgi_user"].type.string
+            && _yaml["webserv"]["cgi_user"].tag.match(rgx_y.yaml_tag_is_str)
+          ) {
+            _struct_composite.conf.w_srv_cgi_user = _yaml["webserv"]["cgi_user"].get!string;
+          }
+          if ("cgi_bin_url" in _yaml["webserv"]
+            && _yaml["webserv"]["cgi_bin_url"].type.string
+            && _yaml["webserv"]["cgi_bin_url"].tag.match(rgx_y.yaml_tag_is_str)
+          ) {
+            _struct_composite.conf.w_srv_cgi_bin_url = _yaml["webserv"]["cgi_bin_url"].get!string;
+          } else {
+            _struct_composite.conf.w_srv_cgi_bin_url =
+              (_struct_composite.conf.w_srv_cgi_http.empty)
+                ? _struct_composite.conf.w_srv_http
+                :_struct_composite.conf.w_srv_cgi_http
+              ~ "://"
+              ~ (_struct_composite.conf.w_srv_cgi_host.empty)
+                ? _struct_composite.conf.w_srv_cgi_host
+                : _struct_composite.conf.w_srv_host
+              ~ _struct_composite.conf.w_srv_cgi_bin_subpath;
+          }
+          // if ("cgi_file_links" in _yaml["webserv"]
+          //   && _yaml["webserv"]["cgi_file_links"].type.string
+          //   && _yaml["webserv"]["cgi_file_links"].tag.match(rgx_y.yaml_tag_is_str)
+          // ) {
+          //   _struct_composite.conf.w_srv_cgi_file_links = _yaml["webserv"]["cgi_file_links"].get!string;
+          // }
+      }
+      // make (in: conf, make, meta)?
+      if ("processing" in _yaml
+        && _yaml["processing"].type.sequence
+      ) {
+        if (_yaml["processing"].type.mapping
+          && _yaml["processing"].tag.match(rgx_y.yaml_tag_is_map)
+        ) {
+          if ("concord_max" in _yaml["processing"]
+            && _yaml["processing"]["concord_max"].type.string
+            && _yaml["processing"]["concord_max"].tag.match(rgx_y.yaml_tag_is_str)
+          ) {
+            _struct_composite.conf.processing_concord_max = _yaml["processing"]["concord_max"].get!string;
+          }
+        }
+      }
+      if ("flag" in _yaml
+        && _yaml["flag"].type.sequence
+      ) {
+        if (_yaml["flag"].type.mapping
+          && _yaml["flag"].tag.match(rgx_y.yaml_tag_is_map)
+        ) {
+          if ("act0" in _yaml["flag"]
+            && _yaml["flag"]["act0"].type.string
+            && _yaml["flag"]["act0"].tag.match(rgx_y.yaml_tag_is_str)
+          ) {
+            _struct_composite.conf.flag_act0 = _yaml["flag"]["act0"].get!string;
+          }
+          if ("act1" in _yaml["flag"]
+            && _yaml["flag"]["act1"].type.string
+            && _yaml["flag"]["act1"].tag.match(rgx_y.yaml_tag_is_str)
+          ) {
+            _struct_composite.conf.flag_act1 = _yaml["flag"]["act1"].get!string;
+          }
+          if ("act2" in _yaml["flag"]
+            && _yaml["flag"]["act2"].type.string
+            && _yaml["flag"]["act2"].tag.match(rgx_y.yaml_tag_is_str)
+          ) {
+            _struct_composite.conf.flag_act2 = _yaml["flag"]["act2"].get!string;
+          }
+          if ("act3" in _yaml["flag"]
+            && _yaml["flag"]["act3"].type.string
+            && _yaml["flag"]["act3"].tag.match(rgx_y.yaml_tag_is_str)
+          ) {
+            _struct_composite.conf.flag_act3 = _yaml["flag"]["act3"].get!string;
+          }
+          if ("act4" in _yaml["flag"]
+            && _yaml["flag"]["act4"].type.string
+            && _yaml["flag"]["act4"].tag.match(rgx_y.yaml_tag_is_str)
+          ) {
+            _struct_composite.conf.flag_act4 = _yaml["flag"]["act4"].get!string;
+          }
+          if ("act5" in _yaml["flag"]
+            && _yaml["flag"]["act5"].type.string
+            && _yaml["flag"]["act5"].tag.match(rgx_y.yaml_tag_is_str)
+          ) {
+            _struct_composite.conf.flag_act5 = _yaml["flag"]["act5"].get!string;
+          }
+          if ("act6" in _yaml["flag"]
+            && _yaml["flag"]["act6"].type.string
+            && _yaml["flag"]["act6"].tag.match(rgx_y.yaml_tag_is_str)
+          ) {
+            _struct_composite.conf.flag_act6 = _yaml["flag"]["act6"].get!string;
+          }
+          if ("act7" in _yaml["flag"]
+            && _yaml["flag"]["act7"].type.string
+            && _yaml["flag"]["act7"].tag.match(rgx_y.yaml_tag_is_str)
+          ) {
+            _struct_composite.conf.flag_act7 = _yaml["flag"]["act7"].get!string;
+          }
+          if ("act8" in _yaml["flag"]
+            && _yaml["flag"]["act8"].type.string
+            && _yaml["flag"]["act8"].tag.match(rgx_y.yaml_tag_is_str)
+          ) {
+            _struct_composite.conf.flag_act8 = _yaml["flag"]["act8"].get!string;
+          }
+          if ("act9" in _yaml["flag"]
+            && _yaml["flag"]["act9"].type.string
+            && _yaml["flag"]["act9"].tag.match(rgx_y.yaml_tag_is_str)
+          ) {
+            _struct_composite.conf.flag_act9 = _yaml["flag"]["act9"].get!string;
+          }
+        }
+      }
+      string[] selected_papersize(string _sizes_str) {
+        string[] _sizes = _sizes_str.split(regex(r"\s*,\s*"));
+        string[] _selected_sizes;
+        foreach (_size; _sizes) {
+          switch (_size) {
+            case "a4":
+              _selected_sizes ~= "a4.portrait";
+              _selected_sizes ~= "a4.landscape";
+              break;
+            case "a4.portrait":
+              _selected_sizes ~= _size;
+              break;
+            case "a4.landscape":
+              _selected_sizes ~= _size;
+              break;
+            case "b4":
+              _selected_sizes ~= "b4.portrait";
+              _selected_sizes ~= "b4.landscape";
+              break;
+            case "b4.portrait":
+              _selected_sizes ~= _size;
+              break;
+            case "b4.landscape":
+              _selected_sizes ~= _size;
+              break;
+            case "a5":
+              _selected_sizes ~= "a5.portrait";
+              _selected_sizes ~= "a5.landscape";
+              break;
+            case "a5.portrait":
+              _selected_sizes ~= _size;
+              break;
+            case "a5.landscape":
+              _selected_sizes ~= _size;
+              break;
+            case "letter":
+              _selected_sizes ~= "letter.portrait";
+              _selected_sizes ~= "letter.landscape";
+              break;
+            case "letter.portrait":
+              _selected_sizes ~= _size;
+              break;
+            case "letter.landscape":
+              _selected_sizes ~= _size;
+              break;
+            case "legal":
+              _selected_sizes ~= "legal.portrait";
+              _selected_sizes ~= "legal.landscape";
+              break;
+            case "legal.portrait":
+              _selected_sizes ~= _size;
+              break;
+            case "legal.landscape":
+              _selected_sizes ~= _size;
+              break;
+            default: break;
+          }
+        }
+        return _selected_sizes;
+      }
+      string _set_papersize;
+      if (_opt_action.latex_papersize.length > 0) {
+        _set_papersize
+          = _opt_action.latex_papersize;
+      } else {
+        _set_papersize
+          = (_cfg.default_papersize.empty)
+            ? "a4,letter.portrait"
+            : _cfg.default_papersize;
+        if ("papersize" in _yaml["default"]
+          && _yaml["default"]["papersize"].type.string
+          && _yaml["default"]["papersize"].tag.match(rgx_y.yaml_tag_is_str)
+        ) {
+          _set_papersize
+            = _yaml["default"]["papersize"].get!string;
+        }
+      }
+      _struct_composite.conf.set_papersize = selected_papersize(_set_papersize);
+      if (
+        "default" in _yaml
+        && _yaml["default"].type.sequence
+        && _yaml["default"].type.mapping
+        && _yaml["default"].tag.match(rgx_y.yaml_tag_is_map)
+      ) {
+        if ("text_wrap" in _yaml["default"]
+          && _yaml["default"]["text_wrap"].type.string
+          && _yaml["default"]["text_wrap"].tag.match(rgx_y.yaml_tag_is_str)
+        ) {
+          _struct_composite.conf.set_text_wrap = _yaml["default"]["text_wrap"].get!string;
+        }
+        if ("emphasis" in _yaml["default"]
+          && _yaml["default"]["emphasis"].type.string
+          && _yaml["default"]["emphasis"].tag.match(rgx_y.yaml_tag_is_str)
+        ) {
+          _struct_composite.conf.set_emphasis = _yaml["default"]["emphasis"].get!string;
+        }
+        if ("language" in _yaml["default"]
+          && _yaml["default"]["language"].type.string
+          && _yaml["default"]["language"].tag.match(rgx_y.yaml_tag_is_str)
+        ) {
+          _struct_composite.conf.set_language = _yaml["default"]["language"].get!string;
+        }
+        if ("digest" in _yaml["default"]
+          && _yaml["default"]["digest"].type.string
+          && _yaml["default"]["digest"].tag.match(rgx_y.yaml_tag_is_str)
+        ) {
+          _struct_composite.conf.set_digest = _yaml["default"]["digest"].get!string;
+        }
+      }
+      if ("search" in _yaml
+        && _yaml["search"].type.sequence
+      ) {
+        if (_yaml["search"].type.mapping
+          && _yaml["search"].tag.match(rgx_y.yaml_tag_is_map)
+        ) {
+          if ("flag" in _yaml["search"]
+            && _yaml["search"]["flag"].type.string
+            && _yaml["search"]["flag"].tag.match(rgx_y.yaml_tag_is_str)
+          ) {
+            _struct_composite.conf.search_flag = _yaml["search"]["flag"].get!string;
+          }
+          if ("action" in _yaml["search"]
+            && _yaml["search"]["action"].type.string
+            && _yaml["search"]["action"].tag.match(rgx_y.yaml_tag_is_str)
+          ) {
+            _struct_composite.conf.search_action = _yaml["search"]["action"].get!string;
+          }
+          if ("db" in _yaml["search"]
+            && _yaml["search"]["db"].type.string
+            && _yaml["search"]["db"].tag.match(rgx_y.yaml_tag_is_str)
+          ) {
+            _struct_composite.conf.search_db = _yaml["search"]["db"].get!string;
+          }
+          if ("title" in _yaml["search"]
+            && _yaml["search"]["title"].type.string
+            && _yaml["search"]["title"].tag.match(rgx_y.yaml_tag_is_str)
+          ) {
+            _struct_composite.conf.search_title = _yaml["search"]["title"].get!string;
+          }
+        }
+      }
+    } else {
+      /+ make ------------------------------------------------------------------- +/
+      if ("make" in _yaml
+        && _yaml["make"].type.sequence
+      ) {
+        if (_yaml["make"].type.mapping
+          && _yaml["make"].tag.match(rgx_y.yaml_tag_is_map)
+        ) {
+          if ("doc_type" in _yaml["make"]
+            && _yaml["make"]["doc_type"].type.string
+            && _yaml["make"]["doc_type"].tag.match(rgx_y.yaml_tag_is_str)
+          ) {
+            _struct_composite.make_str.doc_type = _yaml["make"]["doc_type"].get!string;
+          }
+          if ("breaks" in _yaml["make"]
+            && _yaml["make"]["breaks"].type.string
+            && _yaml["make"]["breaks"].tag.match(rgx_y.yaml_tag_is_str)
+          ) {
+            _struct_composite.make_str.breaks = _yaml["make"]["breaks"].get!string;
+          }
+          if ("bold" in _yaml["make"]
+            && _yaml["make"]["bold"].type.string
+            && _yaml["make"]["bold"].tag.match(rgx_y.yaml_tag_is_str)
+          ) {
+            _struct_composite.make_str.bold = _yaml["make"]["bold"].get!string;
+          }
+          if ("cover_image" in _yaml["make"]
+            && _yaml["make"]["cover_image"].type.string
+            && _yaml["make"]["cover_image"].tag.match(rgx_y.yaml_tag_is_str)
+          ) {
+            _struct_composite.make_str.cover_image = _yaml["make"]["cover_image"].get!string;
+          }
+          if ("css" in _yaml["make"]
+            && _yaml["make"]["css"].type.string
+            && _yaml["make"]["css"].tag.match(rgx_y.yaml_tag_is_str)
+          ) {
+            _struct_composite.make_str.css = _yaml["make"]["css"].get!string;
+          }
+          if ("emphasis" in _yaml["make"]
+            && _yaml["make"]["emphasis"].type.string
+            && _yaml["make"]["emphasis"].tag.match(rgx_y.yaml_tag_is_str)
+          ) {
+            _struct_composite.make_str.emphasis = _yaml["make"]["emphasis"].get!string;
+          }
+          if ("footer" in _yaml["make"]
+            && _yaml["make"]["footer"].type.string
+            && _yaml["make"]["footer"].tag.match(rgx_y.yaml_tag_is_str)
+          ) {
+            char[][] __match_footer_array
+              = (cast(char[]) _yaml["make"]["footer"].get!string)
+                .split(rgx.make_heading_delimiter);
+            _struct_composite.make_str.footer = __match_footer_array.to!(string[]);
+          }
+          if ("headings" in _yaml["make"]
+            && _yaml["make"]["headings"].type.string
+            && _yaml["make"]["headings"].tag.match(rgx_y.yaml_tag_is_str)
+          ) {
+            char[][] __match_headings_array
+              = (cast(char[]) _yaml["make"]["headings"].get!string)
+                .split(rgx.make_heading_delimiter);
+            _struct_composite.make_str.headings = __match_headings_array.to!(string[]);
+          } else if ("headings" in _yaml["make"]
+            && _yaml["make"]["headings"].type.string
+            && _yaml["make"]["headings"].tag.match(rgx_y.yaml_tag_is_seq)
+          ) {
+            foreach(string identify_heading_level; _yaml["make"]["headings"]) {
+              _struct_composite.make_str.headings ~= identify_heading_level;
+            }
+          }
+          if ("home_button_image" in _yaml["make"]
+            && _yaml["make"]["home_button_image"].type.string
+            && _yaml["make"]["home_button_image"].tag.match(rgx_y.yaml_tag_is_str)
+          ) {
+            char[][] __match_home_button_image_array
+              = (cast(char[]) _yaml["make"]["home_button_image"].get!string)
+                .split(rgx.make_heading_delimiter);
+            _struct_composite.make_str.home_button_image = __match_home_button_image_array.to!(string[]);
+          }
+          if ("home_button_text" in _yaml["make"]
+            && _yaml["make"]["home_button_text"].type.string
+            && _yaml["make"]["home_button_text"].tag.match(rgx_y.yaml_tag_is_str)
+          ) {
+            _struct_composite.make_str.home_button_text = _yaml["make"]["home_button_text"].get!string;
+          } else if ("home_button_text" in _yaml["make"]
+            && _yaml["make"]["home_button_text"].type.string
+            && _yaml["make"]["home_button_text"].tag.match(rgx_y.yaml_tag_is_seq)
+          ) {
+            _struct_composite.make_str.home_button_text = "";
+            foreach(string hbt; _yaml["make"]["home_button_text"]) {
+              _struct_composite.make_str.home_button_text ~= hbt ~ "; ";
+            }
+          }
+          if ("italics" in _yaml["make"]
+            && _yaml["make"]["italics"].type.string
+            && _yaml["make"]["italics"].tag.match(rgx_y.yaml_tag_is_str)
+          ) {
+            _struct_composite.make_str.italics = _yaml["make"]["italics"].get!string;
+          }
+          if ("auto_num_top_at_level" in _yaml["make"]
+            && _yaml["make"]["auto_num_top_at_level"].type.string
+            && _yaml["make"]["auto_num_top_at_level"].tag.match(rgx_y.yaml_tag_is_str)
+          ) {
+            _struct_composite.make_str.auto_num_top_at_level = _yaml["make"]["auto_num_top_at_level"].get!string;
+            switch (_yaml["make"]["auto_num_top_at_level"].get!string) {
+            case "A":
+              break;
+            case "B": _struct_composite.make_str.auto_num_top_lv = 1;
+              break;
+            case "C": _struct_composite.make_str.auto_num_top_lv = 2;
+              break;
+            case "D": _struct_composite.make_str.auto_num_top_lv = 3;
+              break;
+            case "1": _struct_composite.make_str.auto_num_top_lv = 4;
+              break;
+            case "2": _struct_composite.make_str.auto_num_top_lv = 5;
+              break;
+            case "3": _struct_composite.make_str.auto_num_top_lv = 6;
+              break;
+            case "4": _struct_composite.make_str.auto_num_top_lv = 7;
+              break;
+            default:
+              break;
+            }
+          }
+          if ("auto_num_depth" in _yaml["make"]
+            && _yaml["make"]["auto_num_depth"].type.string
+            && _yaml["make"]["auto_num_depth"].tag.match(rgx_y.yaml_tag_is_int)
+          ) { // not sure implemented for documents
+            _struct_composite.make_str.auto_num_depth = _yaml["make"]["auto_num_depth"].get!int;
+          } else if ("auto_num_depth" in _yaml["make"]
+            && _yaml["make"]["auto_num_depth"].type.string
+            && _yaml["make"]["auto_num_depth"].tag.match(rgx_y.yaml_tag_is_str)
+          ) { // not sure implemented for documents
+            _struct_composite.make_str.auto_num_depth = _yaml["make"]["auto_num_depth"].get!int;
+          }
+          if ("texpdf_font" in _yaml["make"]
+            && _yaml["make"]["texpdf_font"].type.string
+          ) {
+            _struct_composite.make_str.texpdf_font = _yaml["make"]["texpdf_font"].get!string;
+          }
+        }
+        _struct_composite.make.doc_type                 = _mk.doc_type(_struct_composite.make_str.doc_type);
+        _struct_composite.make.breaks                   = _mk.breaks(_struct_composite.make_str.breaks);
+        _struct_composite.make.bold                     = _mk.bold(_struct_composite.make_str.bold);
+        _struct_composite.make.cover_image              = _mk.cover_image(_struct_composite.make_str.cover_image);
+        _struct_composite.make.css                      = _mk.css(_struct_composite.make_str.css);
+        _struct_composite.make.emphasis                 = _mk.emphasis(_struct_composite.make_str.emphasis);
+        _struct_composite.make.footer                   = _mk.footer(_struct_composite.make_str.footer);
+        _struct_composite.make.headings                 = _mk.headings(_struct_composite.make_str.headings);
+        _struct_composite.make.home_button_image        = _mk.home_button_image(_struct_composite.make_str.home_button_image);
+        _struct_composite.make.home_button_text         = _mk.home_button_text(_struct_composite.make_str.home_button_text);
+        _struct_composite.make.italics                  = _mk.italics(_struct_composite.make_str.italics);
+        _struct_composite.make.auto_num_top_at_level    = _mk.auto_num_top_at_level(_struct_composite.make_str.auto_num_top_at_level);
+        _struct_composite.make.auto_num_top_lv          = _mk.auto_num_top_lv(_struct_composite.make_str.auto_num_top_lv);
+        _struct_composite.make.auto_num_depth           = _mk.auto_num_depth(_struct_composite.make_str.auto_num_depth);
+        _struct_composite.make.substitute               = _mk.substitute(_struct_composite.make_str.substitute);
+        _struct_composite.make.texpdf_font              = _mk.texpdf_font(_struct_composite.make_str.texpdf_font);
+      }
+      /+ meta ------------------------------------------------------------------- +/
+      if (_struct_composite.meta.creator_author.empty) {
+        if ("creator" in _yaml
+          && _yaml["creator"].type.sequence
+        ) {
+          if (_yaml["creator"].type.mapping
+            && _yaml["creator"].tag.match(rgx_y.yaml_tag_is_map)
+          ) {
+            if ("author" in _yaml["creator"]
+              && _yaml["creator"]["author"].type.string
+              && _yaml["creator"]["author"].tag.match(rgx_y.yaml_tag_is_str)
+            ) {
+              _struct_composite.meta.creator_author = _yaml["creator"]["author"].get!string;
+            }
+            if ("email" in _yaml["creator"]
+              && _yaml["creator"]["email"].type.string
+              && _yaml["creator"]["email"].tag.match(rgx_y.yaml_tag_is_str)
+            ) {
+              _struct_composite.meta.creator_author_email = _yaml["creator"]["email"].get!string;
+            }
+            if ("illustrator" in _yaml["creator"]
+              && _yaml["creator"]["illustrator"].type.string
+              && _yaml["creator"]["illustrator"].tag.match(rgx_y.yaml_tag_is_str)
+            ) {
+              _struct_composite.meta.creator_illustrator = _yaml["creator"]["illustrator"].get!string;
+            }
+            if ("translator" in _yaml["creator"]
+              && _yaml["creator"]["translator"].type.string
+              && _yaml["creator"]["translator"].tag.match(rgx_y.yaml_tag_is_str)
+            ) {
+              _struct_composite.meta.creator_translator = _yaml["creator"]["translator"].get!string;
+            }
+          } else if (_yaml["creator"].type.string
+            && _yaml["creator"].tag.match(rgx_y.yaml_tag_is_str)
+          ) {
+            _struct_composite.meta.creator_author = _yaml["creator"].get!string;
+          }
+        }
+        string[] author_arr;
+        string[][string] authors_hash_arr = [ "first" : [], "last" : [], "full" : [], "last_first" : [], "as_input" : [] ];
+        string[] authors_raw_arr
+          = _struct_composite.meta.creator_author.split(rgx.arr_delimiter);
+        auto _lastname = appender!(char[])();
+        foreach (author_raw; authors_raw_arr) {
+          if (auto m = author_raw.match(rgx.raw_author_munge)) {
+            author_arr                   ~= author_raw.replace(rgx.raw_author_munge, "$2 $1");
+            authors_hash_arr["first"]    ~= author_raw.replace(rgx.raw_author_munge, "$2");
+            authors_hash_arr["last"]     ~= author_raw.replace(rgx.raw_author_munge, "$1");
+            authors_hash_arr["full"]     ~= author_raw.replace(rgx.raw_author_munge, "$2 $1");
+            (m.captures[1]).map!toUpper.copy(_lastname);
+            authors_hash_arr["last_first"] ~= _lastname.data.to!string ~ ", " ~ m.captures[2];
+            _lastname = appender!(char[])();
+          } else {
+            author_arr                     ~= author_raw;
+            authors_hash_arr["last"]       ~= author_raw;
+            authors_hash_arr["full"]       ~= author_raw;
+            authors_hash_arr["last_first"] ~= author_raw;
+          }
+          authors_hash_arr["as_input"] ~= author_raw;
+        }
+        _struct_composite.meta.creator_author_arr = author_arr;
+        _struct_composite.meta.creator_author     = author_arr.join(", ").chomp.chomp;
+        _struct_composite.meta.creator_author_surname = (authors_hash_arr["last"].length > 0) ? authors_hash_arr["last"][0] : "";
+        string _author_name_last_first = authors_hash_arr["last_first"].join("; ").chomp.chomp;
+        _struct_composite.meta.creator_author_surname_fn = (_author_name_last_first.length > 0)
+        ? _author_name_last_first
+        : authors_hash_arr["as_input"].join("; ").chomp.chomp;
+      }
+      if (_struct_composite.meta.title_main.empty) {
+        if ("title" in _yaml
+          && _yaml["title"].type.sequence
+        ) {
+          if (_yaml["title"].type.mapping
+            && _yaml["title"].tag.match(rgx_y.yaml_tag_is_map)
+          ) {
+            if ("main" in _yaml["title"]
+              && _yaml["title"]["main"].type.string
+              && _yaml["title"]["main"].tag.match(rgx_y.yaml_tag_is_str)
+            ) {
+              _struct_composite.meta.title_main = _yaml["title"]["main"].get!string;
+            } else if ("title" in _yaml["title"]
+              && _yaml["title"]["title"].type.string
+              && _yaml["title"]["title"].tag.match(rgx_y.yaml_tag_is_str)
+            ) {
+              _struct_composite.meta.title_main = _yaml["title"]["title"].get!string;
+            }
+            if ("edition" in _yaml["title"]
+              && _yaml["title"]["edition"].type.string
+              && _yaml["title"]["edition"].tag.match(rgx_y.yaml_tag_is_str)
+            ) {
+              _struct_composite.meta.title_edition = _yaml["title"]["edition"].get!string;
+            }
+            if ("full" in _yaml["title"]
+              && _yaml["title"]["full"].type.string
+              && _yaml["title"]["full"].tag.match(rgx_y.yaml_tag_is_str)
+            ) {
+              _struct_composite.meta.title_full = _yaml["title"]["full"].get!string;
+            }
+            if ("language" in _yaml["title"]
+              && _yaml["title"]["language"].type.string
+              && _yaml["title"]["language"].tag.match(rgx_y.yaml_tag_is_str)
+            ) {
+              _struct_composite.meta.title_language = _yaml["title"]["language"].get!string;
+            }
+            if ("note" in _yaml["title"]
+              && _yaml["title"]["note"].type.string
+              && _yaml["title"]["note"].tag.match(rgx_y.yaml_tag_is_str)
+            ) {
+              _struct_composite.meta.title_note = _yaml["title"]["note"].get!string;
+            }
+            if ("subtitle" in _yaml["title"]
+              && _yaml["title"]["subtitle"].type.string
+              && _yaml["title"]["subtitle"].tag.match(rgx_y.yaml_tag_is_str)
+            ) {
+              _struct_composite.meta.title_subtitle = _yaml["title"]["subtitle"].get!string;
+            } else if ("sub" in _yaml["title"]
+              && _yaml["title"]["sub"].type.string
+              && _yaml["title"]["sub"].tag.match(rgx_y.yaml_tag_is_str)
+            ) {
+              _struct_composite.meta.title_subtitle = _yaml["title"]["sub"].get!string;
+            }
+          } else if (
+            _yaml["title"].type.string
+            && _yaml["title"].tag.match(rgx_y.yaml_tag_is_str)
+          ) {
+            _struct_composite.meta.title_main = _yaml["title"].get!string;
+          }
+        }
+        _struct_composite.meta.title_sub = _struct_composite.meta.title_subtitle;
+        if ((!(_struct_composite.meta.title_subtitle.empty))
+        && (_struct_composite.meta.title_sub.empty)) {
+          _struct_composite.meta.title_sub = _struct_composite.meta.title_subtitle;
+        }
+        _struct_composite.meta.title_full = (_struct_composite.meta.title_subtitle.empty)
+        ? _struct_composite.meta.title_main
+        : format(
+            "%s - %s",
+            _struct_composite.meta.title_main,
+            _struct_composite.meta.title_subtitle,
+          );
+      }
+      if ("classify" in _yaml
+        && _yaml["classify"].type.sequence
+      ) {
+        if (_yaml["classify"].type.mapping
+          && _yaml["classify"].tag.match(rgx_y.yaml_tag_is_map)
+        ) {
+          if ("dewey" in _yaml["classify"]
+            && _yaml["classify"]["dewey"].type.string
+            && _yaml["classify"]["dewey"].tag.match(rgx_y.yaml_tag_is_str)
+          ) {
+            _struct_composite.meta.classify_dewey = _yaml["classify"]["dewey"].get!string;
+          }
+          if ("loc" in _yaml["classify"]
+            && _yaml["classify"]["loc"].type.string
+            && _yaml["classify"]["loc"].tag.match(rgx_y.yaml_tag_is_str)
+          ) {
+            _struct_composite.meta.classify_loc = _yaml["classify"]["loc"].get!string;
+          }
+          if ("keywords" in _yaml["classify"]
+            && _yaml["classify"]["keywords"].type.string
+            && _yaml["classify"]["keywords"].tag.match(rgx_y.yaml_tag_is_str)
+          ) {
+            _struct_composite.meta.classify_keywords = _yaml["classify"]["keywords"].get!string;
+          }
+          if ("topic_register" in _yaml["classify"]
+            && _yaml["classify"]["topic_register"].type.string
+            && _yaml["classify"]["topic_register"].tag.match(rgx_y.yaml_tag_is_str)
+          ) {
+            _struct_composite.meta.classify_topic_register = _yaml["classify"]["topic_register"].get!string;
+            if (_struct_composite.meta.classify_topic_register.length > 0) {
+              auto wrds = ctRegex!(`([\wa-zA-Z(). -]+)`); // ctRegex!(`([(]?\w+[a-zA-Z(). -]*)+`);
+              auto mkp_delim = ctRegex!(`:([^:]+?)(;|$)`);
+              string _topic_register = _struct_composite.meta.classify_topic_register;
+              _topic_register = _topic_register
+                .replaceAll(wrds, "\"$1\"")
+                .replaceAll(mkp_delim, ":$1$2");
+            }
+            string[] main_topics_ = _struct_composite.meta.classify_topic_register.strip.split(rgx.topic_register_main_terms_split);
+            string[] topics;
+            string   topics_tmp;
+            string[] multiple_sub_terms;
+            foreach (mt; main_topics_) {
+              topics_tmp = mt.replaceAll(rgx.topic_register_main_term_plus_rest_split,    mkup.sep);
+              if (auto m = topics_tmp.match(rgx.topic_register_multiple_sub_terms_split)) {
+                multiple_sub_terms = m.captures[1].split(rgx.topic_register_sub_terms_split);
+                foreach (subterm; multiple_sub_terms) {
+                  topics ~= m.captures.pre ~ mkup.sep ~ subterm;
+                }
+              } else {
+                topics ~= topics_tmp;
+              }
+            }
+            _struct_composite.meta.classify_topic_register_arr = topics;
+            string[] topics_expanded;
+            if (_struct_composite.meta.classify_topic_register_arr.length > 0) {
+              foreach (i, topic; _struct_composite.meta.classify_topic_register_arr) {
+                string[] subject_tree = topic.split(mkup.sep);
+                if (topic.length > 0) {
+                  topics_expanded ~= subject_tree.join(", ");
+                }
+              }
+            }
+            _struct_composite.meta.classify_topic_register_expanded_arr = topics_expanded;
+            // writeln("\n------\n", _struct_composite.meta.title_full);
+            // writeln(_struct_composite.meta.classify_topic_register);
+            // writeln(_struct_composite.meta.classify_topic_register_expanded_arr.sort.join("\n"));
+            // writeln(_struct_composite.meta.classify_topic_register_arr);
+          }
+        }
+      }
+      if ("date" in _yaml
+        && _yaml["date"].type.sequence
+      ) {
+        if (_yaml["date"].type.mapping
+          && _yaml["date"].tag.match(rgx_y.yaml_tag_is_map)
+        ) {
+          if ("added_to_site" in _yaml["date"]
+            && _yaml["date"]["added_to_site"].type.string
+            && _yaml["date"]["added_to_site"].tag.match(rgx_y.yaml_tag_is_str)
+          ) {
+            _struct_composite.meta.date_added_to_site = _yaml["date"]["added_to_site"].get!string;
+          }
+          if ("available" in _yaml["date"]
+            && _yaml["date"]["available"].type.string
+            && _yaml["date"]["available"].tag.match(rgx_y.yaml_tag_is_str)
+          ) {
+            _struct_composite.meta.date_available = _yaml["date"]["available"].get!string;
+          }
+          if ("created" in _yaml["date"]
+            && _yaml["date"]["created"].type.string
+            && _yaml["date"]["created"].tag.match(rgx_y.yaml_tag_is_str)
+          ) {
+            _struct_composite.meta.date_created = _yaml["date"]["created"].get!string;
+          }
+          if ("issued" in _yaml["date"]
+            && _yaml["date"]["issued"].type.string
+            && _yaml["date"]["issued"].tag.match(rgx_y.yaml_tag_is_str)
+          ) {
+            _struct_composite.meta.date_issued = _yaml["date"]["issued"].get!string;
+          }
+          if ("modified" in _yaml["date"]
+            && _yaml["date"]["modified"].type.string
+            && _yaml["date"]["modified"].tag.match(rgx_y.yaml_tag_is_str)
+          ) {
+            _struct_composite.meta.date_modified = _yaml["date"]["modified"].get!string;
+          }
+          if ("published" in _yaml["date"]
+            && _yaml["date"]["published"].type.string
+            && _yaml["date"]["published"].tag.match(rgx_y.yaml_tag_is_str)
+          ) {
+            _struct_composite.meta.date_published = _yaml["date"]["published"].get!string;
+          }
+          if ("valid" in _yaml["date"]
+            && _yaml["date"]["valid"].type.string
+            && _yaml["date"]["valid"].tag.match(rgx_y.yaml_tag_is_str)
+          ) {
+            _struct_composite.meta.date_valid = _yaml["date"]["valid"].get!string;
+          }
+        }
+      }
+      _struct_composite.meta.language_document_char = _manifested.src.language; // move
+      if ("links" in _yaml) {
+        // if ("" in _yaml["links"]) {
+        //   _struct_composite.meta.links_ = _yaml["links"][""].str;
+        // }
+      }
+      if ("notes" in _yaml
+        && _yaml["notes"].type.sequence
+      ) {
+        if (_yaml["notes"].type.mapping
+          && _yaml["notes"].tag.match(rgx_y.yaml_tag_is_map)
+        ) {
+          if ("abstract" in _yaml["notes"]
+            && _yaml["notes"]["abstract"].type.string
+            && _yaml["notes"]["abstract"].tag.match(rgx_y.yaml_tag_is_str)
+          ) {
+            _struct_composite.meta.notes_abstract = _yaml["notes"]["abstract"].get!string;
+          }
+          if ("description" in _yaml["notes"]
+            && _yaml["notes"]["description"].type.string
+            && _yaml["notes"]["description"].tag.match(rgx_y.yaml_tag_is_str)
+          ) {
+            _struct_composite.meta.notes_description = _yaml["notes"]["description"].get!string;
+          }
+          if ("summary" in _yaml["notes"]
+            && _yaml["notes"]["summary"].type.string
+            && _yaml["notes"]["summary"].tag.match(rgx_y.yaml_tag_is_str)
+          ) {
+            _struct_composite.meta.notes_summary = _yaml["notes"]["summary"].get!string;
+          }
+        }
+      }
+      if ("original" in _yaml
+        && _yaml["original"].type.sequence
+      ) {
+        if (_yaml["original"].type.mapping
+          && _yaml["original"].tag.match(rgx_y.yaml_tag_is_map)
+        ) {
+          if ("language" in _yaml["original"]
+            && _yaml["original"]["language"].type.string
+            && _yaml["original"]["language"].tag.match(rgx_y.yaml_tag_is_str)
+          ) {
+            _struct_composite.meta.original_language = _yaml["original"]["language"].get!string;
+          }
+          if ("language_char" in _yaml["original"]
+            && _yaml["original"]["language_char"].type.string
+            && _yaml["original"]["language_char"].tag.match(rgx_y.yaml_tag_is_str)
+          ) {
+            _struct_composite.meta.original_language_char = _yaml["original"]["language_char"].get!string;
+          }
+          if ("source" in _yaml["original"]
+            && _yaml["original"]["source"].type.string
+            && _yaml["original"]["source"].tag.match(rgx_y.yaml_tag_is_str)
+          ) {
+            _struct_composite.meta.original_source = _yaml["original"]["source"].get!string;
+          }
+          if ("title" in _yaml["original"]
+            && _yaml["original"]["title"].type.string
+            && _yaml["original"]["title"].tag.match(rgx_y.yaml_tag_is_str)
+          ) {
+            _struct_composite.meta.original_title = _yaml["original"]["title"].get!string;
+          }
+        }
+      }
+      if ("publisher" in _yaml) {
+        // if ("" in _yaml["publisher"]) {
+        //   _struct_composite.meta.publisher = _yaml["publisher"][""].str;
+        // }
+      }
+      if ("rights" in _yaml
+        && _yaml["rights"].type.sequence
+      ) {
+        if (_yaml["rights"].type.mapping
+          && _yaml["rights"].tag.match(rgx_y.yaml_tag_is_map)
+        ) {
+          if ("copyright" in _yaml["rights"]
+            && _yaml["rights"]["copyright"].type.string
+            && _yaml["rights"]["copyright"].tag.match(rgx_y.yaml_tag_is_str)
+          ) {
+            _struct_composite.meta.rights_copyright = check_input_markup(_yaml["rights"]["copyright"].get!string);
+          }
+          if ("copyright_text" in _yaml["rights"]
+            && _yaml["rights"]["copyright_text"].type.string
+            && _yaml["rights"]["copyright_text"].tag.match(rgx_y.yaml_tag_is_str)
+          ) {
+            _struct_composite.meta.rights_copyright_text = _yaml["rights"]["copyright_text"].get!string;
+          }
+          if ("copyright_audio" in _yaml["rights"]
+            && _yaml["rights"]["copyright_audio"].type.string
+            && _yaml["rights"]["copyright_audio"].tag.match(rgx_y.yaml_tag_is_str)
+          ) {
+            _struct_composite.meta.rights_copyright_audio = _yaml["rights"]["copyright_audio"].get!string;
+          }
+          if ("copyright_cover" in _yaml["rights"]
+            && _yaml["rights"]["copyright_cover"].type.string
+            && _yaml["rights"]["copyright_cover"].tag.match(rgx_y.yaml_tag_is_str)
+          ) {
+            _struct_composite.meta.rights_copyright_cover = _yaml["rights"]["copyright_cover"].get!string;
+          }
+          if ("copyright_illustrations" in _yaml["rights"]
+            && _yaml["rights"]["copyright_illustrations"].type.string
+            && _yaml["rights"]["copyright_illustrations"].tag.match(rgx_y.yaml_tag_is_str)
+          ) {
+            _struct_composite.meta.rights_copyright_illustrations = _yaml["rights"]["copyright_illustrations"].get!string;
+          }
+          if ("copyright_photographs" in _yaml["rights"]
+            && _yaml["rights"]["copyright_photographs"].type.string
+            && _yaml["rights"]["copyright_photographs"].tag.match(rgx_y.yaml_tag_is_str)
+          ) {
+            _struct_composite.meta.rights_copyright_photographs = _yaml["rights"]["copyright_photographs"].get!string;
+          }
+          if ("copyright_translation" in _yaml["rights"]
+            && _yaml["rights"]["copyright_translation"].type.string
+            && _yaml["rights"]["copyright_translation"].tag.match(rgx_y.yaml_tag_is_str)
+          ) {
+            _struct_composite.meta.rights_copyright_translation = _yaml["rights"]["copyright_translation"].get!string;
+          }
+          if ("copyright_video" in _yaml["rights"]
+            && _yaml["rights"]["copyright_video"].type.string
+            && _yaml["rights"]["copyright_video"].tag.match(rgx_y.yaml_tag_is_str)
+          ) {
+            _struct_composite.meta.rights_copyright_video = _yaml["rights"]["copyright_video"].get!string;
+          }
+          if ("license" in _yaml["rights"]
+            && _yaml["rights"]["license"].type.string
+            && _yaml["rights"]["license"].tag.match(rgx_y.yaml_tag_is_str)
+          ) {
+            _struct_composite.meta.rights_license = check_input_markup(_yaml["rights"]["license"].get!string);
+          }
+        }
+      }
+    }
+    return _struct_composite;
+  }
+}
+template configParseYAMLreturnSpineStruct() {
+  import dyaml;
+  import
+    sisudoc.meta.conf_make_meta_structs,
+    sisudoc.meta.conf_make_meta_json;
+  mixin contentYAMLtoSpineStruct;
+  @system auto configParseYAMLreturnSpineStruct(T,CCm,M,O,Cfg)(
+    T       _document_struct,
+    CCm     _make_and_meta_struct,
+    M       _manifested,
+    O       _opt_action,
+    Cfg     _cfg
+  ){
+    Node _yaml;
+    if (_document_struct.content.length > 0) {
+      try {
+        _yaml = Loader.fromString(_document_struct.content).load();
+      } catch (Throwable) {
+        import std.stdio;
+        writeln("ERROR failed to parse content as yaml: ", _document_struct.filename);
+        // writeln(_document_struct.content);
+      }
+      try {
+      _make_and_meta_struct
+        = contentYAMLtoSpineStruct!()(_make_and_meta_struct, _yaml, _manifested, _opt_action, _cfg, _document_struct.filename);
+      } catch (Throwable) {
+        import std.stdio;
+        writeln("ERROR failed to convert yaml to struct: ", _document_struct.filename);
+      }
+    }
+    return _make_and_meta_struct;
+  }
+}
+template docHeaderMakeAndMetaTupYamlExtractAndConvertToStruct() {
+  import
+    std.exception,
+    std.regex,
+    std.stdio,
+    std.traits,
+    std.typecons,
+    std.utf,
+    std.conv : to;
+  import
+    dyaml;
+  import
+    sisudoc.meta.conf_make_meta_structs,
+    sisudoc.meta.conf_make_meta_json,
+    sisudoc.meta.rgx_yaml,
+    sisudoc.meta.rgx;
+  mixin spineRgxIn;
+  mixin contentJSONtoSpineStruct;
+  static auto rgx = RgxI();
+  mixin spineRgxYamlTags;
+  static auto rgx_y = RgxYaml();
+  @system auto docHeaderMakeAndMetaTupYamlExtractAndConvertToStruct(CCm,Src,M,O,Cfg)(
+    Src     header_src,
+    CCm     _make_and_meta_struct,
+    M       _manifested,
+    O       _opt_action,
+    Cfg     _cfg,
+  ) {
+    Node _yaml;
+    try {
+      _yaml = Loader.fromString(header_src).load();
+      if (("title" in _yaml) && ("creator" in _yaml)) {} else { // need test for _yaml content (does not work)
+        writeln("ERROR failed to read document header, yaml header does not contain essential information related to title and author");
+      }
+      return contentYAMLtoSpineStruct!()(_make_and_meta_struct, _yaml, _manifested, _opt_action, _cfg, "header");
+    } catch (Throwable) {
+      writeln("ERROR failed to read document header, header not parsed as yaml: ", _manifested.src.filename);
+      return _make_and_meta_struct;
+    }
+  }
+}
diff --git a/src/sisudoc/meta/defaults.d b/src/sisudoc/meta/defaults.d
new file mode 100644
index 0000000..fe0cd1a
--- /dev/null
+++ b/src/sisudoc/meta/defaults.d
@@ -0,0 +1,297 @@
+/+
+- Name: SisuDoc Spine, Doc Reform [a part of]
+  - Description: documents, structuring, processing, publishing, search
+    - static content generator
+
+  - Author: Ralph Amissah
+    [ralph.amissah@gmail.com]
+
+  - Copyright: (C) 2015 - 2024 Ralph Amissah, All Rights Reserved.
+
+  - License: AGPL 3 or later:
+
+    Spine (SiSU), a framework for document structuring, publishing and
+    search
+
+    Copyright (C) Ralph Amissah
+
+    This program is free software: you can redistribute it and/or modify it
+    under the terms of the GNU AFERO General Public License as published by the
+    Free Software Foundation, either version 3 of the License, or (at your
+    option) any later version.
+
+    This program is distributed in the hope that it will be useful, but WITHOUT
+    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+    FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+    more details.
+
+    You should have received a copy of the GNU General Public License along with
+    this program. If not, see [https://www.gnu.org/licenses/].
+
+    If you have Internet connection, the latest version of the AGPL should be
+    available at these locations:
+    [https://www.fsf.org/licensing/licenses/agpl.html]
+    [https://www.gnu.org/licenses/agpl.html]
+
+  - Spine (by Doc Reform, related to SiSU) uses standard:
+    - docReform markup syntax
+      - standard SiSU markup syntax with modified headers and minor modifications
+    - docReform object numbering
+      - standard SiSU object citation numbering & system
+
+  - Homepages:
+    [https://www.sisudoc.org]
+    [https://www.doc-reform.org]
+
+  - Git
+    [https://git.sisudoc.org/]
+
++/
+/++
+  default settings
++/
+module sisudoc.meta.defaults;
+@safe:
+template spineNode() {
+  static string[string] node_metadata_heading_str() {
+    string[string] _node = [
+        "is"                            : "",
+        "ocn"                           : "",
+        "marked_up_lev"                 : "",
+        "segment_anchor_tag_html"       : "",
+        "segment_anchor_tag_epub"       : "",
+        "attrib"                        : "",
+    ];
+    return _node;
+  }
+  static int[string] node_metadata_heading_int() {
+    int[string] _node = [
+        "ocn"                           : 0, // decide whether to use or keep?
+        "ptr_doc_object"                : 0,
+        "ptr_html_segnames"             : 0,
+        "ptr_heading"                   : 0,
+        "heading_lev_markup"            : 9,
+        "heading_lev_collapsed"         : 9,
+        "parent_ocn"                    : 0,
+        "parent_lev_markup"             : 9,
+    ];
+    return _node;
+  }
+  static string[string] node_metadata_para_str() {
+    string[string] _node = [
+        "is"                            : "",
+        "ocn"                           : "",
+        "attrib"                        : "",
+    ];
+    return _node;
+  }
+  static int[string] node_metadata_para_int() {
+    int[string] _node = [
+        "ocn"                           : 0,
+        "indent_base"                   : 0,
+        "indent_hang"                   : 0,
+        "bullet"                        : 0, // bool (0|1)
+    ];
+    return _node;
+  }
+}
+template spineCurateMetadata() {
+  auto spineCurateMetadata() {
+    struct _Curate {
+      struct Curate {
+        string   title                = "";
+        string[] author_arr           = [];
+        string   author               = "";
+        string   author_surname       = "";
+        string   author_surname_fn    = "";
+        string   language             = "";
+        string   language_original    = "";
+        string   uid                  = "";
+        string   date_published       = "";
+        string[] topic_register_arr   = [];
+        string   path_html_metadata   = "";
+        string   path_html_scroll     = "";
+        string   path_html_segtoc     = "";
+        string   path_epub            = "";
+        string   path_abs_html_segtoc = "";
+        string   path_abs_html_scroll = "";
+        string   path_abs_epub        = "";
+        string   url_html_seg         = "";
+        string   url_html_scroll      = "";
+        string   url_epub             = "";
+      }
+      Curate curate;
+      Curate[] curates;
+      Curate[][string][string][string][string] subject_trees;
+    }
+    return _Curate();
+  }
+}
+template spineBiblio() {
+  // required: deemed_author (author || editor); year; fulltitle;
+  struct BibJsnStr {
+    static auto biblio_entry_tags_jsonstr() {
+      string x =  `{
+        "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
+      return x;
+    }
+  }
+}
+template InternalMarkup() {
+  import std.array;
+  static struct InlineMarkup {
+    string en_a_o = "【";      string en_a_c = "】";
+    string en_b_o = "〖";      string en_b_c = "〗";
+    string quote_o = "“";      string quote_c = "”";
+    string ff_i = "⑆";         string ff_o = "┨";         string ff_c = "┣"; // fontface
+    string lnk_o = "┥";        string lnk_c = "┝";
+    string url_o = "┤";        string url_c = "├";
+    string emph = "*";
+    string bold = "!";
+    string italic = "/";
+    string underscore = "_";
+    string superscript = "^";
+    string subscript = ",";
+    string mono = "■";
+    string cite = "‖";
+    string mark_internal_site_lnk = "¤";
+    string nbsp                   = "░";
+    string br_line                = "┘";
+    string br_line_inline         = "┙";
+    string br_line_spaced         = "┚";
+    string br_obj                 = "break_obj";
+    string br_page_line           = "┼";
+    string br_page                = "┿";
+    string br_page_new            = "╂";
+    string tc_s                   = "┊";
+    string tc_o                   = "┏";
+    string tc_c                   = "┚";
+    string tc_p                   = "┆";
+    string img                    = "☼";
+    string sep                    = "␣"; // "~";"␣"; // "~";
+    string uid_sep                = ":";
+    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);
+      return _indent_spaces;
+    }
+    static string repeat_character_by_number_provided(C,N)(C _character ="-", N number=10) {
+      _character = replicate(_character, number);
+      return _character;
+    }
+  }
+}
+template spineLanguageCodes() {
+  /+ language codes +/
+  struct Lang {
+    static string[string][string] codes() {
+      auto _lang_codes = [
+        "am":    [ "c": "am",    "n": "Amharic",           "t": "Amharic",                   "xlp": "amharic"      ],
+        "bg":    [ "c": "bg",    "n": "Bulgarian",         "t": "Български (Bəlgarski)",     "xlp": "bulgarian"    ],
+        "bn":    [ "c": "bn",    "n": "Bengali",           "t": "Bengali",                   "xlp": "bengali"      ],
+        "br":    [ "c": "br",    "n": "Breton",            "t": "Breton",                    "xlp": "breton"       ],
+        "ca":    [ "c": "ca",    "n": "Catalan",           "t": "catalan",                   "xlp": "catalan"      ],
+        "cs":    [ "c": "cs",    "n": "Czech",             "t": "česky",                     "xlp": "czech"        ],
+        "cy":    [ "c": "cy",    "n": "Welsh",             "t": "Welsh",                     "xlp": "welsh"        ],
+        "da":    [ "c": "da",    "n": "Danish",            "t": "dansk",                     "xlp": "danish"       ],
+        "de":    [ "c": "de",    "n": "German",            "t": "Deutsch",                   "xlp": "german"       ],
+        "el":    [ "c": "el",    "n": "Greek",             "t": "Ελληνικά (Ellinika)",       "xlp": "greek"        ],
+        "en":    [ "c": "en",    "n": "English",           "t": "English",                   "xlp": "english"      ],
+        "eo":    [ "c": "eo",    "n": "Esperanto",         "t": "Esperanto",                 "xlp": "esperanto"    ],
+        "es":    [ "c": "es",    "n": "Spanish",           "t": "español",                   "xlp": "spanish"      ],
+        "et":    [ "c": "et",    "n": "Estonian",          "t": "Estonian",                  "xlp": "estonian"     ],
+        "eu":    [ "c": "eu",    "n": "Basque",            "t": "basque",                    "xlp": "basque"       ],
+        "fi":    [ "c": "fi",    "n": "Finnish",           "t": "suomi",                     "xlp": "finnish"      ],
+        "fr":    [ "c": "fr",    "n": "French",            "t": "français",                  "xlp": "french"       ],
+        "ga":    [ "c": "ga",    "n": "Irish",             "t": "Irish",                     "xlp": "irish"        ],
+        "gl":    [ "c": "gl",    "n": "Galician",          "t": "Galician",                  "xlp": "galician"     ],
+        "he":    [ "c": "he",    "n": "Hebrew",            "t": "Hebrew",                    "xlp": "hebrew"       ],
+        "hi":    [ "c": "hi",    "n": "Hindi",             "t": "Hindi",                     "xlp": "hindi"        ],
+        "hr":    [ "c": "hr",    "n": "Croatian",          "t": "Croatian",                  "xlp": "croatian"     ],
+        "hy":    [ "c": "hy",    "n": "Armenian",          "t": "Armenian",                  "xlp": "armenian"     ],
+        "ia":    [ "c": "ia",    "n": "Interlingua",       "t": "Interlingua",               "xlp": "interlingua"  ],
+        "is":    [ "c": "is",    "n": "Icelandic",         "t": "Icelandic",                 "xlp": "icelandic"    ],
+        "it":    [ "c": "it",    "n": "Italian",           "t": "Italiano",                  "xlp": "italian"      ],
+        "ja":    [ "c": "ja",    "n": "Japanese",          "t": "日本語 (Nihongo)",         "xlp": "japanese"      ],
+        "ko":    [ "c": "ko",    "n": "Korean",            "t": "Korean",                    "xlp": "korean"       ],
+        "la":    [ "c": "la",    "n": "Latin",             "t": "Latin",                     "xlp": "latin"        ],
+        "lo":    [ "c": "lo",    "n": "Lao",               "t": "Lao",                       "xlp": "lao"          ],
+        "lt":    [ "c": "lt",    "n": "Lithuanian",        "t": "Lithuanian",                "xlp": "lithuanian"   ],
+        "lv":    [ "c": "lv",    "n": "Latvian",           "t": "Latvian",                   "xlp": "latvian"      ],
+        "ml":    [ "c": "ml",    "n": "Malayalam",         "t": "Malayalam",                 "xlp": "malayalam"    ],
+        "mr":    [ "c": "mr",    "n": "Marathi",           "t": "Marathi",                   "xlp": "marathi"      ],
+        "nl":    [ "c": "nl",    "n": "Dutch",             "t": "Nederlands",                "xlp": "dutch"        ],
+        "no":    [ "c": "no",    "n": "Norwegian",         "t": "norsk",                     "xlp": "norsk"        ],
+        "nn":    [ "c": "nn",    "n": "Norwegian Nynorsk", "t": "nynorsk",                   "xlp": "nynorsk"      ],
+        "oc":    [ "c": "oc",    "n": "Occitan",           "t": "Occitan",                   "xlp": "occitan"      ],
+        "pl":    [ "c": "pl",    "n": "Polish",            "t": "polski",                    "xlp": "polish"       ],
+        "pt":    [ "c": "pt",    "n": "Portuguese",        "t": "Português",                 "xlp": "portuges"     ],
+        "pt_BR": [ "c": "pt_BR", "n": "Portuguese Brazil", "t": "Brazilian Português",       "xlp": "brazilian"    ],
+        "ro":    [ "c": "ro",    "n": "Romanian",          "t": "română",                    "xlp": "romanian"     ],
+        "ru":    [ "c": "ru",    "n": "Russian",           "t": "Русский (Russkij)",         "xlp": "russian"      ],
+        "sa":    [ "c": "sa",    "n": "Sanskrit",          "t": "Sanskrit",                  "xlp": "sanskrit"     ],
+        "se":    [ "c": "se",    "n": "Sami",              "t": "Samin",                     "xlp": "samin"        ],
+        "sk":    [ "c": "sk",    "n": "Slovak",            "t": "slovensky",                 "xlp": "slovak"       ],
+        "sl":    [ "c": "sl",    "n": "Slovenian",         "t": "Slovenian",                 "xlp": "slovenian"    ],
+        "sq":    [ "c": "sq",    "n": "Albanian",          "t": "Albanian",                  "xlp": "albanian"     ],
+        "sr":    [ "c": "sr",    "n": "Serbian",           "t": "Serbian",                   "xlp": "serbian"      ],
+        "sv":    [ "c": "sv",    "n": "Swedish",           "t": "svenska",                   "xlp": "swedish"      ],
+        "ta":    [ "c": "ta",    "n": "Tamil",             "t": "Tamil",                     "xlp": "tamil"        ],
+        "te":    [ "c": "te",    "n": "Telugu",            "t": "Telugu",                    "xlp": "telugu"       ],
+        "th":    [ "c": "th",    "n": "Thai",              "t": "Thai",                      "xlp": "thai"         ],
+        "tk":    [ "c": "tk",    "n": "Turkmen",           "t": "Turkmen",                   "xlp": "turkmen"      ],
+        "tr":    [ "c": "tr",    "n": "Turkish",           "t": "Türkçe",                    "xlp": "turkish"      ],
+        "uk":    [ "c": "uk",    "n": "Ukranian",          "t": "українська (ukrajins\"ka)", "xlp": "ukrainian"    ],
+        "ur":    [ "c": "ur",    "n": "Urdu",              "t": "Urdu",                      "xlp": "urdu"         ],
+        "us":    [ "c": "en",    "n": "English (American)","t": "English",                   "xlp": "english"      ],
+        "vi":    [ "c": "vi",    "n": "Vietnamese",        "t": "Vietnamese",                "xlp": "vietnamese"   ],
+        "zh":    [ "c": "zh",    "n": "Chinese",           "t": "中文",                     "xlp": "chinese"       ],
+        "en":    [ "c": "en",    "n": "English",           "t": "English",                   "xlp": "english"      ],
+        "xx":    [ "c": "xx",    "n": "Default",           "t": "English",                   "xlp": "english"      ],
+      ];
+      return _lang_codes;
+    }
+    static string[] code_arr_ptr() {
+      string[] _lang_codes = ["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", "us", "vi", "zh", "en", "xx",];
+      return _lang_codes;
+    }
+    static string[] code_arr() {
+      string[] _lang_codes = ["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"];
+      return _lang_codes;
+    }
+    static auto codes_() {
+      return "(" ~ join(code_arr,"|") ~ ")";
+    }
+    static auto codes_regex() {
+      return regex(codes_);
+    }
+  }
+}
diff --git a/src/sisudoc/meta/doc_debugs.d b/src/sisudoc/meta/doc_debugs.d
new file mode 100644
index 0000000..ae50256
--- /dev/null
+++ b/src/sisudoc/meta/doc_debugs.d
@@ -0,0 +1,252 @@
+/+
+- Name: SisuDoc Spine, Doc Reform [a part of]
+  - Description: documents, structuring, processing, publishing, search
+    - static content generator
+
+  - Author: Ralph Amissah
+    [ralph.amissah@gmail.com]
+
+  - Copyright: (C) 2015 - 2024 Ralph Amissah, All Rights Reserved.
+
+  - License: AGPL 3 or later:
+
+    Spine (SiSU), a framework for document structuring, publishing and
+    search
+
+    Copyright (C) Ralph Amissah
+
+    This program is free software: you can redistribute it and/or modify it
+    under the terms of the GNU AFERO General Public License as published by the
+    Free Software Foundation, either version 3 of the License, or (at your
+    option) any later version.
+
+    This program is distributed in the hope that it will be useful, but WITHOUT
+    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+    FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+    more details.
+
+    You should have received a copy of the GNU General Public License along with
+    this program. If not, see [https://www.gnu.org/licenses/].
+
+    If you have Internet connection, the latest version of the AGPL should be
+    available at these locations:
+    [https://www.fsf.org/licensing/licenses/agpl.html]
+    [https://www.gnu.org/licenses/agpl.html]
+
+  - Spine (by Doc Reform, related to SiSU) uses standard:
+    - docReform markup syntax
+      - standard SiSU markup syntax with modified headers and minor modifications
+    - docReform object numbering
+      - standard SiSU object citation numbering & system
+
+  - Homepages:
+    [https://www.sisudoc.org]
+    [https://www.doc-reform.org]
+
+  - Git
+    [https://git.sisudoc.org/]
+
++/
+/++
+  output debugs
++/
+module sisudoc.meta.doc_debugs;
+template spineDebugs() {
+  import
+    sisudoc.meta.defaults,
+    sisudoc.meta.rgx_files;
+  import
+    std.algorithm,
+    std.array,
+    std.container,
+    std.exception,
+    std.json,
+    std.stdio,
+    std.file,
+    std.path,
+    std.range,
+    std.regex,
+    std.string,
+    std.typecons,
+    std.utf,
+    std.conv : to;
+  auto spineDebugs(S,T)(
+    const S  contents,
+          T  doc_matters,
+  ) {
+    mixin spineRgxFiles;
+    mixin InternalMarkup;
+    static auto rgx_files = RgxFiles();
+    auto markup = InlineMarkup();
+    string key;
+    debug(parent) {
+      writefln(
+        "%s:%s",
+        __FILE__,
+        __LINE__,
+      );
+      foreach (key; doc_matters.has.keys_seq.seg) {
+        foreach (obj; contents[key]) {
+          if (obj.metainfo.is_of_part != "empty") {
+            if (obj.metainfo.is_a == "heading") {
+              writefln(
+                "%s node: %s heading: %s %s",
+                obj.object_number,
+                obj.node,
+                obj.heading_lev_markup,
+                obj.text,
+              );
+            }
+          }
+        }
+      }
+    }
+    debug(checkdoc) {
+      if ((doc_matters.opt.action.debug_do)) {
+        debug(checkdoc) {
+          if (auto mfn=match(doc_matters.src.filename, rgx_files.src_fn)) {
+            if (doc_matters.opt.action.assertions) {
+              switch (mfn.captures[2]) {
+              // live manual:
+              case "live-manual.ssm":
+                assert(check["last_object_number"] ==
+                  "1019","last object_number should be: 1019 (check test, document is frequently updated)"); // ok
+                break;
+              // sisu_markup:
+              case "sisu_markup.sst":
+                assert(check["last_object_number"] ==
+                  "297","last object_number expected to be: 297 rather than " ~ check["last_object_number"]); // ok
+                // assert(check["last_object_number"] == "297","last object_number expected to be: 297 rather than " ~ check["last_object_number"]);
+                // notes for first divergance study sisu headings 247 250
+                // sisu has issue with code that contains heading 1~ which results in no object_number! ??
+                // sisu currently has incorrect last body object_number of 294!
+                // bug in sisu? attend
+                break;
+              // sisu-markup-samples:
+              case "accelerando.charles_stross.sst":
+                assert(check["last_object_number"] ==
+                  "2861","last object_number expected to be: 2861 rather than " ~ check["last_object_number"]); // ok
+                break;
+              case "alices_adventures_in_wonderland.lewis_carroll.sst":
+                assert(check["last_object_number"] ==
+                  "805","last object_number expected to be: 805 rather than " ~ check["last_object_number"]); // 808
+                break;
+              case "autonomy_markup0.sst":
+                assert(check["last_object_number"] ==
+                  "77","last object_number expected to be: 77 rather than " ~ check["last_object_number"]); // ok endnotes
+                // assert(check["last_object_number"] == "78","last object_number expected to be: 78 rather than " ~ check["last_object_number"]);
+                break;
+              case "content.cory_doctorow.sst":
+                assert(check["last_object_number"] ==
+                  "953","last object_number expected to be: 953 rather than " ~ check["last_object_number"]); // 1007 way off, check object_number off switches
+                // assert(check["last_object_number"] == "953","last object_number expected to be: 953 rather than " ~ check["last_object_number"]);
+                break;
+              case "democratizing_innovation.eric_von_hippel.sst":
+                // fixed ERROR! range violation, broken check! endnotes, bookindex, biblio
+                // error in bookindex ... (ch1; ch6; ch8 )
+                assert(check["last_object_number"] ==
+                  "905","last object_number expected to be: 905 rather than " ~ check["last_object_number"]); // 911
+                break;
+              case "down_and_out_in_the_magic_kingdom.cory_doctorow.sst":
+                assert(check["last_object_number"] ==
+                  "1417","last object_number expected to be: 1417 rather than " ~ check["last_object_number"]); // 1455 check object_number off switches
+                break;
+              case "for_the_win.cory_doctorow.sst":
+                assert(check["last_object_number"] ==
+                  "3510","last object_number expected to be: 3510 rather than " ~ check["last_object_number"]); // 3569 check object_number off switches
+                break;
+              case "free_as_in_freedom_2.richard_stallman_and_the_free_software_revolution.sam_williams.richard_stallman.sst":
+                assert(check["last_object_number"] ==
+                  "1082","last object_number expected to be: 1082 rather than " ~ check["last_object_number"]); // check 1079 too few
+                break;
+              case "free_culture.lawrence_lessig.sst":
+                assert(check["last_object_number"] ==
+                  "1330","last object_number expected to be: 1330 rather than " ~ check["last_object_number"]); // 1312
+                // fixed ERROR! range violation, broken check!
+                // error in bookindex ... sections piracy (ch1) & property (ch10 market concentration) fixed
+                break;
+              case "free_for_all.peter_wayner.sst": // endnotes, bookindex, biblio
+                assert(check["last_object_number"] ==
+                  "1559","last object_number expected to be: 1559 rather than " ~ check["last_object_number"]); // 1560, check object_number off switches, has endnotes so 2 too many
+                // assert(check["last_object_number"] == "1559","last object_number expected to be: 1559 rather than " ~ check["last_object_number"]);
+                break;
+              case "gpl2.fsf.sst":
+                assert(check["last_object_number"] ==
+                  "65","last object_number expected to be: 65 rather than " ~ check["last_object_number"]); // ok endnotes? check
+                // assert(check["last_object_number"] == "66","last object_number expected to be: 66 rather than " ~ check["last_object_number"]);
+                break;
+              case "gpl3.fsf.sst":
+                assert(check["last_object_number"] ==
+                  "123","last object_number expected to be: 123 rather than " ~ check["last_object_number"]); // ok
+                break;
+              case "gullivers_travels.jonathan_swift.sst":
+                assert(check["last_object_number"] ==
+                  "668","last object_number expected to be: 668 rather than " ~ check["last_object_number"]); // 674
+                break;
+              case "little_brother.cory_doctorow.sst":
+                assert(check["last_object_number"] ==
+                  "3130","last object_number expected to be: 3130 rather than " ~ check["last_object_number"]); // 3204, check object_number off switches
+                break;
+              case "the_cathedral_and_the_bazaar.eric_s_raymond.sst":
+                assert(check["last_object_number"] ==
+                  "258","last object_number expected to be: 258 rather than " ~ check["last_object_number"]); // ok
+                break;
+              case "the_public_domain.james_boyle.sst":
+                assert(check["last_object_number"] ==
+                  "970","last object_number expected to be: 970 rather than " ~ check["last_object_number"]); // 978
+                break;
+              case "the_wealth_of_networks.yochai_benkler.sst": // endnotes, bookindex
+                assert(check["last_object_number"] ==
+                  "829","last object_number expected to be: 829 rather than " ~ check["last_object_number"]); // ok
+                // assert(check["last_object_number"] == "832","last object_number expected to be: 832 rather than " ~ check["last_object_number"]);
+                // has endnotes and bookindex, issue with sisu.rb
+                break;
+              case "through_the_looking_glass.lewis_carroll.sst":
+                assert(check["last_object_number"] ==
+                  "949","last object_number expected to be: 949 rather than " ~ check["last_object_number"]); // 955
+                break;
+              case "two_bits.christopher_kelty.sst": // endnotes, bookindex, biblio
+                assert(check["last_object_number"] ==
+                  "1190","last object_number expected to be: 1190 rather than " ~ check["last_object_number"]); // 1191
+                // assert(check["last_object_number"] == "1193","last object_number expected to be: 1193 rather than " ~ check["last_object_number"]); // 1191 ok?
+                // has endnotes and bookindex, issue with sisu.rb
+                break;
+                // fixed ERROR! range violation!
+                // error in bookindex ... (ch3 the movement)
+              case "un_contracts_international_sale_of_goods_convention_1980.sst":
+                assert(check["last_object_number"] ==
+                  "377","last object_number expected to be: 377 rather than " ~ check["last_object_number"]); // ok
+                break;
+              case "viral_spiral.david_bollier.sst": // endnotes, bookindex
+                assert(check["last_object_number"] ==
+                  "1078","last object_number expected to be: 1078 rather than " ~ check["last_object_number"]); // 1100
+                // fixed ERROR! range violation!
+                // error in bookindex ... (ch7 ... building the cc machine, an extra semi colon)
+                break;
+              default:
+                writeln(doc_matters.src.filename);
+                break;
+              }
+            }
+          }
+        }
+        debug(checkdoc) {
+          void out_segnames(S,T)(
+            const S  contents,
+                  T  doc_matters,
+          ) {
+            foreach (key; doc_matters.has.keys_seq.seg) {
+              if (contents[key].length > 1) {
+                foreach (obj; contents[key]) {
+                  if (obj.heading_lev_markup == 4) {
+                    writeln(obj.ptr_html_segnames, ". (", doc_matters.has.segnames_lv4[obj.ptr_html_segnames], ") -> ",  obj.text);
+                  }
+                }
+              }
+            }
+          }
+        }
+      }
+    }
+  }
+}
diff --git a/src/sisudoc/meta/metadoc.d b/src/sisudoc/meta/metadoc.d
new file mode 100644
index 0000000..a1899da
--- /dev/null
+++ b/src/sisudoc/meta/metadoc.d
@@ -0,0 +1,296 @@
+/+
+- Name: SisuDoc Spine, Doc Reform [a part of]
+  - Description: documents, structuring, processing, publishing, search
+    - static content generator
+
+  - Author: Ralph Amissah
+    [ralph.amissah@gmail.com]
+
+  - Copyright: (C) 2015 - 2024 Ralph Amissah, All Rights Reserved.
+
+  - License: AGPL 3 or later:
+
+    Spine (SiSU), a framework for document structuring, publishing and
+    search
+
+    Copyright (C) Ralph Amissah
+
+    This program is free software: you can redistribute it and/or modify it
+    under the terms of the GNU AFERO General Public License as published by the
+    Free Software Foundation, either version 3 of the License, or (at your
+    option) any later version.
+
+    This program is distributed in the hope that it will be useful, but WITHOUT
+    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+    FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+    more details.
+
+    You should have received a copy of the GNU General Public License along with
+    this program. If not, see [https://www.gnu.org/licenses/].
+
+    If you have Internet connection, the latest version of the AGPL should be
+    available at these locations:
+    [https://www.fsf.org/licensing/licenses/agpl.html]
+    [https://www.gnu.org/licenses/agpl.html]
+
+  - Spine (by Doc Reform, related to SiSU) uses standard:
+    - docReform markup syntax
+      - standard SiSU markup syntax with modified headers and minor modifications
+    - docReform object numbering
+      - standard SiSU object citation numbering & system
+
+  - Homepages:
+    [https://www.sisudoc.org]
+    [https://www.doc-reform.org]
+
+  - Git
+    [https://git.sisudoc.org/]
+
++/
+module sisudoc.meta.metadoc;
+@safe:
+template spineAbstraction() {
+  import
+    std.datetime;
+  import
+    sisudoc.meta,
+    sisudoc.meta.metadoc_from_src,
+    sisudoc.meta.conf_make_meta_structs,
+    sisudoc.meta.conf_make_meta_json,
+    sisudoc.meta.defaults,
+    sisudoc.io_in.paths_source,
+    sisudoc.io_in.read_config_files,
+    sisudoc.io_in.read_source_files,
+    sisudoc.io_out.hub;
+  mixin spineBiblio;
+  mixin outputHub;
+  enum headBody { header, body_content, insert_file_list, image_list }
+  enum makeMeta { make, meta }
+  enum docAbst  { doc_abstract_obj, doc_has }
+  @system auto spineAbstraction(E,P,O,Cfg,M,S)(
+    E _env,
+    P program_info,
+    O _opt_action,
+    Cfg _cfg,
+    M _manifest,
+    S _make_and_meta_struct
+  ){
+    { /+ document config/make file +/
+      auto _config_document_struct = readConfigDoc!()(_manifest, _env);
+      import sisudoc.meta.conf_make_meta_yaml;
+      _make_and_meta_struct = _config_document_struct.configParseYAMLreturnSpineStruct!()(_make_and_meta_struct, _manifest, _opt_action, _cfg);
+    }
+    /+ ↓ read file (filename with path) +/
+    /+ ↓ file tuple of header and content +/
+    if ((_opt_action.debug_do)
+      || (_opt_action.debug_do_stages)
+    ) {
+      writeln("step1 commence → (get document header & body & insert file list & if needed image list) [", _manifest.src.filename, "]");
+    }
+    auto _header_body_insertfilelist_imagelist
+      = spineRawMarkupContent!()(_opt_action, _manifest.src.path_and_fn);
+    static assert(_header_body_insertfilelist_imagelist.length==4);
+    if ((_opt_action.debug_do)
+      || (_opt_action.debug_do_stages)
+    ) {
+      writeln("- step1 complete for [", _manifest.src.filename, "]");
+    }
+    debug(header_and_body) {
+      writeln(header);
+      writeln(_header_body_insertfilelist_imagelist.length);
+      writeln(_header_body_insertfilelist_imagelist.length[headBody.body_content][0]);
+    }
+    /+ ↓ split header into make and meta +/
+    if ((_opt_action.debug_do)
+      || (_opt_action.debug_do_stages)
+    ) {
+      writeln("step2 commence → (read document header (yaml) return struct) [", _manifest.src.filename, "]");
+    }
+    import sisudoc.meta.conf_make_meta_yaml;
+    _make_and_meta_struct =
+      docHeaderMakeAndMetaTupYamlExtractAndConvertToStruct!()(
+        _header_body_insertfilelist_imagelist[headBody.header],
+        _make_and_meta_struct,
+        _manifest,
+        _opt_action,
+        _cfg,
+      );
+    if ((_opt_action.debug_do)
+      || (_opt_action.debug_do_stages)
+    ) {
+      writeln("- step2 complete for [", _manifest.src.filename, "]");
+    }
+    /+ ↓ document abstraction: process document, return abstraction as tuple +/
+    if ((_opt_action.debug_do)
+      || (_opt_action.debug_do_stages)
+    ) {
+      writeln("step3 commence → (document abstraction (da); da keys; segnames; doc_matters) [", _manifest.src.filename, "]");
+    }
+    auto da = docAbstraction!()(
+      _header_body_insertfilelist_imagelist[headBody.body_content],
+      _make_and_meta_struct,
+      _opt_action,
+      _manifest,
+      true,
+    );
+    auto doc_abstraction = da.document_the;
+    auto _doc_has_struct = da.doc_has;
+    if ((_opt_action.debug_do)
+      || (_opt_action.debug_do_stages)
+    ) {
+      writeln("- step3 complete for [", _manifest.src.filename, "]");
+    }
+    if ((_opt_action.debug_do)
+      || (_opt_action.debug_do_stages)
+    ) {
+      writeln("step4 commence → (doc_matters) [", _manifest.src.filename, "]");
+    }
+    struct DocumentMatters {
+      auto generator_program() {
+        struct Prog_ {
+          string project_name() {
+            return "spine";
+          }
+          string name() {
+            return program_info.name;
+          }
+          string ver() {
+            return program_info.ver;
+          }
+          @trusted string name_and_version() {
+            return program_info.name_and_version;
+          }
+          @trusted string name_version_and_compiler() {
+            return program_info.name_version_and_compiler;
+          }
+          string url_home() {
+            return "https://sisudoc.org";
+          }
+          string url_git() {
+            return "https://git.sisudoc.org/projects/";
+          }
+          auto compiler() {
+            return program_info.compiler;
+          }
+          auto time_output_generated() {
+            return program_info.time_output_generated;
+          }
+        }
+        return Prog_();
+      }
+      auto generated_time() {
+        auto _st = Clock.currTime(UTC());
+        auto _time = _st.year.to!string
+          ~ "-" ~ _st.month.to!int.to!string // prefer as month number
+          ~ "-" ~ _st.day.to!string
+          ~ " [" ~ _st.isoWeek.to!string ~ "/" ~ _st.dayOfWeek.to!int.to!string ~ "]"
+          ~ " " ~ _st.hour.to!string
+          ~ ":" ~ _st.minute.to!string
+          ~ ":" ~ _st.second.to!string;
+        return _time;
+      }
+      auto conf_make_meta() {
+        return _make_and_meta_struct;
+      }
+      auto has() {
+        return _doc_has_struct;
+      }
+      auto env() {
+        struct Env_ {
+          auto pwd() {
+            return _manifest.env.pwd;
+          }
+          auto home() {
+            return _manifest.env.home;
+          }
+        }
+        return Env_();
+      }
+      auto opt() {
+        struct Opt_ {
+          auto action() {
+            /+ getopt options, commandline instructions, raw
+             - processing instructions --epub --html etc.
+             - command line config instructions --output
+            +/
+            return _opt_action;
+          }
+        }
+        return Opt_();
+      }
+      auto src() {
+        return _manifest.src;
+      }
+      auto src_path_info() {
+        return spinePathsSRC!()(_manifest.env.pwd, _manifest.src.file_with_absolute_path); // would like (to have and use) relative path
+      }
+      auto pod() {
+        return _manifest.pod;
+      }
+      auto sqlite() {
+        struct SQLite_ {
+          string filename() {
+            string _fn = "";
+            string _pth = "";
+            if (_opt_action.sqliteDB_filename.length > 0) {
+              _fn = _opt_action.sqliteDB_filename;
+            } else if (_make_and_meta_struct.conf.w_srv_db_sqlite_filename.length > 0) {
+              _fn = _make_and_meta_struct.conf.w_srv_db_sqlite_filename;
+            }
+            return _fn;
+          }
+          string path() {
+            string _pth = "";
+            if (_opt_action.sqliteDB_path.length > 0) {
+              _pth = _opt_action.sqliteDB_path;
+            } else if (_make_and_meta_struct.conf.w_srv_db_sqlite_path.length > 0) {
+              _pth = _make_and_meta_struct.conf.w_srv_db_sqlite_path;
+            }
+            return _pth;
+          }
+          string cgi_filename() {
+            string _fn = "";
+            if (_opt_action.cgi_sqlite_search_filename.length > 0) {
+              _fn = _opt_action.cgi_sqlite_search_filename;
+            } else if (_make_and_meta_struct.conf.w_srv_cgi_search_script.length > 0) {
+              _fn = _make_and_meta_struct.conf.w_srv_cgi_search_script;
+            }
+            return _fn;
+          }
+          string cgi_filename_d() {
+            string _fn = "";
+            if (_opt_action.cgi_sqlite_search_filename_d.length > 0) {
+              _fn = _opt_action.cgi_sqlite_search_filename_d;
+            } else if (_make_and_meta_struct.conf.w_srv_cgi_search_script_raw_fn_d.length > 0) {
+              _fn = _make_and_meta_struct.conf.w_srv_cgi_search_script_raw_fn_d;
+            }
+            return _fn;
+          }
+        }
+        return SQLite_();
+      }
+      auto output_path() {
+        return _make_and_meta_struct.conf.output_path;
+      }
+      auto srcs() {
+        struct SRC_ {
+          auto file_insert_list() {
+            return _header_body_insertfilelist_imagelist[headBody.insert_file_list];
+          }
+          auto image_list() {
+            return _doc_has_struct.imagelist;
+          }
+        }
+        return SRC_();
+      }
+    }
+    auto doc_matters = DocumentMatters();
+    if ((_opt_action.debug_do)
+      || (_opt_action.debug_do_stages)
+    ) {
+      writeln("- step4 complete for [", _manifest.src.filename, "]");
+    }
+    auto t = tuple(doc_abstraction, doc_matters);
+    return t;
+  }
+}
diff --git a/src/sisudoc/meta/metadoc_curate.d b/src/sisudoc/meta/metadoc_curate.d
new file mode 100644
index 0000000..3b5654b
--- /dev/null
+++ b/src/sisudoc/meta/metadoc_curate.d
@@ -0,0 +1,92 @@
+/+
+- Name: SisuDoc Spine, Doc Reform [a part of]
+  - Description: documents, structuring, processing, publishing, search
+    - static content generator
+
+  - Author: Ralph Amissah
+    [ralph.amissah@gmail.com]
+
+  - Copyright: (C) 2015 - 2024 Ralph Amissah, All Rights Reserved.
+
+  - License: AGPL 3 or later:
+
+    Spine (SiSU), a framework for document structuring, publishing and
+    search
+
+    Copyright (C) Ralph Amissah
+
+    This program is free software: you can redistribute it and/or modify it
+    under the terms of the GNU AFERO General Public License as published by the
+    Free Software Foundation, either version 3 of the License, or (at your
+    option) any later version.
+
+    This program is distributed in the hope that it will be useful, but WITHOUT
+    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+    FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+    more details.
+
+    You should have received a copy of the GNU General Public License along with
+    this program. If not, see [https://www.gnu.org/licenses/].
+
+    If you have Internet connection, the latest version of the AGPL should be
+    available at these locations:
+    [https://www.fsf.org/licensing/licenses/agpl.html]
+    [https://www.gnu.org/licenses/agpl.html]
+
+  - Spine (by Doc Reform, related to SiSU) uses standard:
+    - docReform markup syntax
+      - standard SiSU markup syntax with modified headers and minor modifications
+    - docReform object numbering
+      - standard SiSU object citation numbering & system
+
+  - Homepages:
+    [https://www.sisudoc.org]
+    [https://www.doc-reform.org]
+
+  - Git
+    [https://git.sisudoc.org/]
+
++/
+module sisudoc.meta.metadoc_curate;
+@safe:
+template spineMetaDocCurate() {
+  auto spineMetaDocCurate(T,H)(
+    T  doc_matters,
+    H  hvst,
+  ) {
+    import
+      sisudoc.meta.defaults,
+      sisudoc.meta.rgx;
+    import
+      std.array,
+      std.exception,
+      std.regex,
+      std.stdio,
+      std.string,
+      std.typecons,
+      std.uni,
+      std.utf,
+      std.conv : to;
+    mixin InternalMarkup;
+    static auto mkup = InlineMarkup();
+    import sisudoc.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);
+    hvst.curate.title                 = doc_matters.conf_make_meta.meta.title_full;
+    hvst.curate.author                = doc_matters.conf_make_meta.meta.creator_author;
+    hvst.curate.author_surname        = doc_matters.conf_make_meta.meta.creator_author_surname;
+    hvst.curate.author_surname_fn     = doc_matters.conf_make_meta.meta.creator_author_surname_fn;
+    hvst.curate.author_arr            = doc_matters.conf_make_meta.meta.creator_author_arr;
+    hvst.curate.language_original     = doc_matters.conf_make_meta.meta.original_language;
+    hvst.curate.language              = doc_matters.src.language;
+    hvst.curate.uid                   = doc_matters.src.doc_uid;
+    hvst.curate.date_published        = doc_matters.conf_make_meta.meta.date_published;
+    hvst.curate.topic_register_arr    = doc_matters.conf_make_meta.meta.classify_topic_register_arr;
+    hvst.curate.path_html_metadata    = pth_html_rel.fn_metadata(doc_matters.src.filename);
+    hvst.curate.path_html_scroll      = pth_html_rel.fn_scroll(doc_matters.src.filename);
+    hvst.curate.path_html_segtoc      = pth_html_rel.fn_seg(doc_matters.src.filename, "toc");
+    hvst.curate.path_abs_html_scroll  = pth_html_abs.fn_scroll(doc_matters.src.filename);
+    hvst.curate.path_abs_html_segtoc  = pth_html_abs.fn_seg(doc_matters.src.filename, "toc");
+    return hvst.curate;
+  }
+}
diff --git a/src/sisudoc/meta/metadoc_curate_authors.d b/src/sisudoc/meta/metadoc_curate_authors.d
new file mode 100644
index 0000000..cb2b1db
--- /dev/null
+++ b/src/sisudoc/meta/metadoc_curate_authors.d
@@ -0,0 +1,530 @@
+/+
+- Name: SisuDoc Spine, Doc Reform [a part of]
+  - Description: documents, structuring, processing, publishing, search
+    - static content generator
+
+  - Author: Ralph Amissah
+    [ralph.amissah@gmail.com]
+
+  - Copyright: (C) 2015 - 2024 Ralph Amissah, All Rights Reserved.
+
+  - License: AGPL 3 or later:
+
+    Spine (SiSU), a framework for document structuring, publishing and
+    search
+
+    Copyright (C) Ralph Amissah
+
+    This program is free software: you can redistribute it and/or modify it
+    under the terms of the GNU AFERO General Public License as published by the
+    Free Software Foundation, either version 3 of the License, or (at your
+    option) any later version.
+
+    This program is distributed in the hope that it will be useful, but WITHOUT
+    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+    FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+    more details.
+
+    You should have received a copy of the GNU General Public License along with
+    this program. If not, see [https://www.gnu.org/licenses/].
+
+    If you have Internet connection, the latest version of the AGPL should be
+    available at these locations:
+    [https://www.fsf.org/licensing/licenses/agpl.html]
+    [https://www.gnu.org/licenses/agpl.html]
+
+  - Spine (by Doc Reform, related to SiSU) uses standard:
+    - docReform markup syntax
+      - standard SiSU markup syntax with modified headers and minor modifications
+    - docReform object numbering
+      - standard SiSU object citation numbering & system
+
+  - Homepages:
+    [https://www.sisudoc.org]
+    [https://www.doc-reform.org]
+
+  - Git
+    [https://git.sisudoc.org/]
+
++/
+module sisudoc.meta.metadoc_curate_authors;
+@safe:
+  import
+    std.algorithm,
+    std.array,
+    std.exception,
+    std.regex,
+    std.stdio,
+    std.string,
+    std.conv : to;
+  import
+    sisudoc.meta.defaults,
+    sisudoc.meta.rgx;
+  mixin spineCurateMetadata;
+  mixin InternalMarkup;
+template spineMetaDocCuratesAuthors() {
+  static auto mkup = InlineMarkup();
+  void spineMetaDocCuratesAuthors(H,M,O)(
+    H  curates,
+    M  _make_and_meta_struct,
+    O  _opt_action,
+  ) {
+      string inline_search_form(M)(
+        M  _make_and_meta_truct,
+      ) {
+        string o;
+        string _form;
+        if (_opt_action.html_link_search) {
+          o = format(q"┃
+      

+      
+      
+      
+      
┃",
+          _make_and_meta_struct.conf.w_srv_cgi_action,
+          (_make_and_meta_struct.conf.w_srv_db_sqlite_filename.empty)
+            ? ""
+            : "\n    ",
+          );
+        } else {
+          o = "";
+        }
+        return o;
+      }
+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;
+  }
+  a.lnkicon:link {
+    text-decoration          : none;
+  }
+  a.lnkicon:visited {
+    text-decoration          : none;
+  }
+  a.lnkicon:hover {
+    font-size                : 160%%;
+  }
+  a:hover img {
+    background-color         : #FFFFFF;
+  }
+  input, select, textarea {
+    font-size                : 150%%;
+  }
+  input {
+    color                    : #FFFFFF;
+    background-color         : #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;
+  }
+  a.lnkicon:link {
+    text-decoration          : none;
+  }
+  a.lnkicon:visited {
+    text-decoration          : none;
+  }
+  a.lnkicon:hover {
+    font-size                : 160%%;
+  }
+  a:hover img {
+    background-color         : #FFFFFF;
+  }
+  input, select, textarea {
+    font-size                : 150%%;
+  }
+  input {
+    color                    : #000000;
+    background-color         : #FFFFFF;
+  }
+┃");
+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               : #1A3A7A;
+  }
+  p.letter {
+    color                    : #FFFFFF;
+    background               : #1A3A7A;
+  }
+  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 {
+  }
+┃");
+      string[] authors = [];
+      authors ~= format(q"┃
+
+
+
+
+⌘ Curated metadata - 🖋 Authors
+
+
+
+
+
+
+
+
+
+
+
+
+
+
⌘ Curated metadata - 🖋 Authors (output organised by language & filetype)

+

+

+
[ ⟰ HOME  |  ≅ Collection ]
+ [ ⌘ Curated metadata - ⌘ Topics ] 

+

+%s
+

+

+

+
A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S, T, U, V, W, X, Y, Z, 
+┃",
+  _opt_action.css_theme_default ? theme_light_0 : theme_dark_0,
+  _opt_action.css_theme_default ? theme_light_1 : theme_dark_1,
+  inline_search_form(_make_and_meta_struct),
+) ~ "\n";
+      string[string] _au;
+      string[] _auth_date_title;
+      string[] _author_date_title;
+      string _prev_auth = "";
+      char _prev_k = "_".to!char;
+      foreach(doc_curate;
+        curates
+        .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_curate.author_surname_fn != _prev_auth) {
+          _au[doc_curate.author_surname_fn]
+          = format(q"┃
%s
 
%s "%s" [ %s ]
┃",
+            doc_curate.author_surname.translate([' ' : "_"]),
+            doc_curate.author_surname_fn,
+            (doc_curate.date_published.length > 0)
+              ? doc_curate.date_published : "",
+            doc_curate.path_html_segtoc,
+            doc_curate.title,
+            doc_curate.path_html_metadata,
+            doc_curate.language,
+          );
+          _prev_auth = doc_curate.author_surname_fn;
+        } else {
+          _au[doc_curate.author_surname_fn]
+          ~= format(q"┃
%s "%s" [ %s ]
┃",
+            (doc_curate.date_published.length > 0)
+              ? doc_curate.date_published : "",
+            doc_curate.path_html_segtoc,
+            doc_curate.title,
+            doc_curate.path_html_metadata,
+            doc_curate.language,
+          );
+        }
+        _author_date_title ~= format(q"┃%s %s "%s" [ %s ]%s┃",
+          doc_curate.author_surname_fn,
+          (doc_curate.date_published.length > 0)
+            ? "(" ~ doc_curate.date_published ~ ")" : "",
+          doc_curate.title,
+          doc_curate.path_html_metadata,
+          doc_curate.language,
+          (_opt_action.show_curate_authors) ? "\n  " ~ doc_curate.path_abs_html_scroll : "",
+        );
+      }
+      foreach (k; _au.keys.sort) {
+        if (k.toUpper.to!(char[])[0] != _prev_k) {
+          authors ~= format(q"┃
%s
┃",
+            k.toUpper.to!(char[])[0],
+            k.toUpper.to!(char[])[0],
+          );
+          _prev_k = k.toUpper.to!(char[])[0];
+        }
+        authors ~= _au[k];
+      }
+      authors
+      ~= format(q"┃
+

+
+
+
+
+
+
+
+
+┃") ~ "\n";
+    import sisudoc.io_out.paths_output;
+    auto out_pth = spinePathsHTML!()(_make_and_meta_struct.conf.output_path, "");
+    try {
+      auto f = File(out_pth.curate("authors.html"), "w");
+      foreach (o; authors) {
+        f.writeln(o);
+      }
+    } catch (ErrnoException ex) {
+      // Handle error
+    }
+    if (_opt_action.show_curate_authors) {
+      foreach(_adt; _author_date_title.sort) {
+        writeln(_adt);
+      }
+    }
+  }
+}
diff --git a/src/sisudoc/meta/metadoc_curate_topics.d b/src/sisudoc/meta/metadoc_curate_topics.d
new file mode 100644
index 0000000..a30be73
--- /dev/null
+++ b/src/sisudoc/meta/metadoc_curate_topics.d
@@ -0,0 +1,693 @@
+/+
+- Name: SisuDoc Spine, Doc Reform [a part of]
+  - Description: documents, structuring, processing, publishing, search
+    - static content generator
+
+  - Author: Ralph Amissah
+    [ralph.amissah@gmail.com]
+
+  - Copyright: (C) 2015 - 2024 Ralph Amissah, All Rights Reserved.
+
+  - License: AGPL 3 or later:
+
+    Spine (SiSU), a framework for document structuring, publishing and
+    search
+
+    Copyright (C) Ralph Amissah
+
+    This program is free software: you can redistribute it and/or modify it
+    under the terms of the GNU AFERO General Public License as published by the
+    Free Software Foundation, either version 3 of the License, or (at your
+    option) any later version.
+
+    This program is distributed in the hope that it will be useful, but WITHOUT
+    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+    FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+    more details.
+
+    You should have received a copy of the GNU General Public License along with
+    this program. If not, see [https://www.gnu.org/licenses/].
+
+    If you have Internet connection, the latest version of the AGPL should be
+    available at these locations:
+    [https://www.fsf.org/licensing/licenses/agpl.html]
+    [https://www.gnu.org/licenses/agpl.html]
+
+  - Spine (by Doc Reform, related to SiSU) uses standard:
+    - docReform markup syntax
+      - standard SiSU markup syntax with modified headers and minor modifications
+    - docReform object numbering
+      - standard SiSU object citation numbering & system
+
+  - Homepages:
+    [https://www.sisudoc.org]
+    [https://www.doc-reform.org]
+
+  - Git
+    [https://git.sisudoc.org/]
+
++/
+module sisudoc.meta.metadoc_curate_topics;
+@safe:
+  import
+    std.algorithm,
+    std.array,
+    std.exception,
+    std.regex,
+    std.stdio,
+    std.string,
+    std.conv : to;
+  import
+    sisudoc.meta.defaults,
+    sisudoc.meta.rgx;
+  mixin spineCurateMetadata;
+  mixin InternalMarkup;
+template spineMetaDocCuratesTopics() {
+  static auto mkup = InlineMarkup();
+  void spineMetaDocCuratesTopics(H,M,O)(
+    H  hvst,
+    M  _make_and_meta_struct,
+    O  _opt_action,
+  ) {
+      string inline_search_form(M)(
+        M  _make_and_meta_truct,
+      ) {
+        string o;
+        string _form;
+        if (_opt_action.html_link_search) {
+          o = format(q"┃
+      

+      
+      
+      
+      
┃",
+          _make_and_meta_struct.conf.w_srv_cgi_action,
+          (_make_and_meta_struct.conf.w_srv_db_sqlite_filename.empty)
+            ? ""
+            : "\n    ",
+          );
+        } else {
+          o = "";
+        }
+        return o;
+      }
+      auto min_repeat_number = 42;
+      string[] _document_topic_register;
+      string[] _topic_register;
+      string[] _sub_topic_register;
+      string[] topics = [];
+      string _auth = "";
+      foreach(k, doc_curate; hvst.curates) {
+        _topic_register = [];
+        foreach(topic; doc_curate.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_curate;
+            break;
+          case 2:
+            hvst.subject_trees[subject_tree[0]][subject_tree[1]]["_a"]["_a"] ~= doc_curate;
+            break;
+          case 3:
+            hvst.subject_trees[subject_tree[0]][subject_tree[1]][subject_tree[2]]["_a"] ~= doc_curate;
+            break;
+          case 4:
+            hvst.subject_trees[subject_tree[0]][subject_tree[1]][subject_tree[2]][subject_tree[3]] ~= doc_curate;
+            break;
+          default:
+            break;
+          }
+          _topic_register ~= _sub_topic_register.join("\n");
+        }
+        auto char_repeat_number = (doc_curate.title.length
+          + doc_curate.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_curate.title,
+          doc_curate.author,
+          (doc_curate.date_published.length > 0) ? " (" ~ doc_curate.date_published ~ ")" : "",
+          _topic_register.sort!("toUpper(a) < toUpper(b)", SwapStrategy.unstable).release.join("\n"),
+        );
+      }
+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;
+  }
+  a.lnkicon:link {
+    text-decoration          : none;
+  }
+  a.lnkicon:visited {
+    text-decoration          : none;
+  }
+  a.lnkicon:hover {
+    font-size                : 160%%;
+  }
+  a:hover img {
+    background-color         : #FFFFFF;
+  }
+  input, select, textarea {
+    font-size                : 150%%;
+  }
+  input {
+    color                    : #FFFFFF;
+    background-color         : #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;
+  }
+  a.lnkicon:link {
+    text-decoration          : none;
+  }
+  a.lnkicon:visited {
+    text-decoration          : none;
+  }
+  a.lnkicon:hover {
+    font-size                : 160%%;
+  }
+  a:hover img {
+    background-color         : #FFFFFF;
+  }
+  input, select, textarea {
+    font-size                : 150%%;
+  }
+  input {
+    color                    : #000000;
+    background-color         : #FFFFFF;
+  }
+┃");
+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               : #1A3A7A;
+  }
+  p.letter {
+    color                    : #FFFFFF;
+    background               : #1A3A7A;
+  }
+  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 {
+  }
+┃");
+      topics ~= format(q"┃
+
+
+
+⌘ Curated metadata - ⌘ Topics
+
+
+
+
+
+
+
+
+
+
+
+
+
+
⌘ Curated metadata - ⌘ Topics (output organised by language & filetype)

+

+

+
[ ⟰ HOME  |  ≅ Collection ]
+ [ ⌘ Curated metadata - 🖋 Authors ]
+

+

+ %s
+

+
A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S, T, U, V, W, X, Y, Z, 
+

+

+┃",
+  _opt_action.css_theme_default ? theme_light_0 : theme_dark_0,
+  _opt_action.css_theme_default ? theme_light_1 : theme_dark_1,
+  inline_search_form(_make_and_meta_struct),
+) ~ "\n";
+      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"┃
%s
┃",
+            k0.toUpper.to!(char[])[0],
+            k0.toUpper.to!(char[])[0],
+          );
+          _prev_k = k0.toUpper.to!(char[])[0];
+        }
+        if (k0 != "_a") {
+          topics ~= format(q"┃
%s
┃",
+            k0.translate([' ' : "_"]), k0,) ~ "\n";
+          if (_opt_action.show_curate_topics) {
+            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"┃ %s┃",
+                  t_a_.author_surname.translate([' ' : "_"]),
+                  t_a_.author,
+                );
+              } else {
+                foreach (a; t_a_.author_arr) {
+                  _auth ~= format(q"┃ %s,┃",
+                    t_a_.author_surname.translate([' ' : "_"]),
+                    a,
+                  );
+                }
+              }
+              topics ~= format(q"┃
"%s" - %s [ %s ]┃",
+                t_a_.path_html_segtoc,
+                t_a_.title,
+                _auth,
+                t_a_.path_html_metadata,
+                t_a_.language,
+              ) ~ "\n";
+              if (_opt_action.show_curate_topics) {
+                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"┃
%s
┃",
+                k0.translate([' ' : "_"]),
+                k1.translate([' ' : "_"]), k1,) ~ "\n";
+              if (_opt_action.show_curate_topics) {
+                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"┃ %s┃",
+                      t_a_.author_surname.translate([' ' : "_"]),
+                      t_a_.author,
+                    );
+                  } else {
+                    foreach (a; t_a_.author_arr) {
+                      _auth ~= format(q"┃ %s,┃",
+                        t_a_.author_surname.translate([' ' : "_"]),
+                        a,
+                      );
+                    }
+                  }
+                  topics ~= format(q"┃
%s - %s [ %s ]┃",
+                    t_a_.path_html_segtoc,
+                    t_a_.title,
+                    _auth,
+                    t_a_.path_html_metadata,
+                    t_a_.language,
+                  ) ~ "\n";
+                  if (_opt_action.show_curate_topics) {
+                    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"┃
%s
┃",
+                  k0.translate([' ' : "_"]), k1.translate([' ' : "_"]),
+                  k2.translate([' ' : "_"]), k2,) ~ "\n";
+                if (_opt_action.show_curate_topics) {
+                  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"┃ %s┃",
+                        t_a_.author_surname.translate([' ' : "_"]),
+                        t_a_.author,
+                      );
+                    } else {
+                      foreach (a; t_a_.author_arr) {
+                        _auth ~= format(q"┃ %s,┃",
+                          t_a_.author_surname.translate([' ' : "_"]),
+                          a,
+                        );
+                      }
+                    }
+                    topics ~= format(q"┃
%s - %s [ %s ]┃",
+                      t_a_.path_html_segtoc,
+                      t_a_.title,
+                      _auth,
+                      t_a_.path_html_metadata,
+                      t_a_.language,
+                    ) ~ "\n";
+                    if (_opt_action.show_curate_topics) {
+                      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"┃
%s
┃",
+                    k0.translate([' ' : "_"]), k1.translate([' ' : "_"]), k2.translate([' ' : "_"]),
+                    k3.translate([' ' : "_"]), k3,) ~ "\n";
+                  if (_opt_action.show_curate_topics) {
+                    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"┃%s┃",
+                          t_a_.author_surname.translate([' ' : "_"]),
+                          t_a_.author,
+                        );
+                      } else {
+                        foreach (a; t_a_.author_arr) {
+                          _auth ~= format(q"┃ %s,┃",
+                            t_a_.author_surname.translate([' ' : "_"]),
+                            a,
+                          );
+                        }
+                      }
+                      topics ~= format(q"┃ 
%s - %s [ %s ]┃",
+                        t_a_.path_html_segtoc,
+                        t_a_.title,
+                        _auth,
+                        t_a_.path_html_metadata,
+                        t_a_.language,
+                      ) ~ "\n";
+                      if (_opt_action.show_curate_topics) {
+                        writeln("      - ", t_a_.title, " - ", t_a_.author);
+                      }
+                    }
+                  }
+                }
+              }
+            }
+          }
+        }
+      }
+      topics
+      ~= format(q"┃
+

+
+
+
+
+
+
+
+
+┃") ~ "\n";
+    import sisudoc.io_out.paths_output;
+    auto out_pth = spinePathsHTML!()(_make_and_meta_struct.conf.output_path, "");
+    try {
+      auto f = File(out_pth.curate("topics.html"), "w");
+      foreach (o; topics) {
+        f.writeln(o);
+      }
+    } catch (ErrnoException ex) {
+      // Handle error
+    }
+  }
+}
diff --git a/src/sisudoc/meta/metadoc_from_src.d b/src/sisudoc/meta/metadoc_from_src.d
new file mode 100644
index 0000000..32954f1
--- /dev/null
+++ b/src/sisudoc/meta/metadoc_from_src.d
@@ -0,0 +1,1509 @@
+/+
+- Name: SisuDoc Spine, Doc Reform [a part of]
+  - Description: documents, structuring, processing, publishing, search
+    - static content generator
+
+  - Author: Ralph Amissah
+    [ralph.amissah@gmail.com]
+
+  - Copyright: (C) 2015 - 2024 Ralph Amissah, All Rights Reserved.
+
+  - License: AGPL 3 or later:
+
+    Spine (SiSU), a framework for document structuring, publishing and
+    search
+
+    Copyright (C) Ralph Amissah
+
+    This program is free software: you can redistribute it and/or modify it
+    under the terms of the GNU AFERO General Public License as published by the
+    Free Software Foundation, either version 3 of the License, or (at your
+    option) any later version.
+
+    This program is distributed in the hope that it will be useful, but WITHOUT
+    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+    FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+    more details.
+
+    You should have received a copy of the GNU General Public License along with
+    this program. If not, see [https://www.gnu.org/licenses/].
+
+    If you have Internet connection, the latest version of the AGPL should be
+    available at these locations:
+    [https://www.fsf.org/licensing/licenses/agpl.html]
+    [https://www.gnu.org/licenses/agpl.html]
+
+  - Spine (by Doc Reform, related to SiSU) uses standard:
+    - docReform markup syntax
+      - standard SiSU markup syntax with modified headers and minor modifications
+    - docReform object numbering
+      - standard SiSU object citation numbering & system
+
+  - Homepages:
+    [https://www.sisudoc.org]
+    [https://www.doc-reform.org]
+
+  - Git
+    [https://git.sisudoc.org/]
+
++/
+// document abstraction:
+// abstraction of sisu markup for downstream processing
+// metadoc_from_src.d
+module sisudoc.meta.metadoc_from_src;
+@safe:
+template docAbstraction() {
+  // ↓ abstraction imports
+  import
+    std.algorithm,
+    std.container,
+    std.file,
+    std.json,
+    std.path;
+  import
+    sisudoc.meta,
+    sisudoc.meta.defaults,
+    sisudoc.meta.rgx,
+    sisudoc.meta.metadoc_object_setter,
+    sisudoc.meta.rgx;
+  public import sisudoc.meta.metadoc_from_src_functions;
+  mixin docAbstractionFunctions;
+  @system auto docAbstraction(CMM,Opt,Mf) (
+    char[][]           markup_sourcefile_content,
+    CMM                conf_make_meta,
+    Opt                opt_action,
+    Mf                 manifested,
+    bool               _new_doc
+  ) {
+    static auto rgx = RgxI();
+    // ↓ abstraction init
+    scope(success) {
+    }
+    scope(failure) {
+    }
+    scope(exit) {
+      destroy(the_document_toc_section);
+      destroy(the_document_head_section);
+      destroy(the_document_body_section);
+      destroy(the_document_bibliography_section);
+      destroy(the_document_glossary_section);
+      destroy(the_document_blurb_section);
+      destroy(the_document_xml_dom_tail_section);
+      destroy(an_object);
+      destroy(processing);
+      destroy(biblio_arr_json);
+      previous_length = 0;
+      reset_note_numbers = true;
+      lev_anchor_tag = "";
+      anchor_tag = "";
+    }
+    mixin spineNode;
+    auto node_para_int_    = node_metadata_para_int;
+    auto node_para_str_    = node_metadata_para_str;
+    ObjGenericComposite comp_obj_;
+    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,
+    ];
+    uint[string] pith = [
+      "ocn"                            : 1,
+      "section"                        : 0,
+      "txt_is"                         : 0,
+      "block_is"                       : 0,
+      "block_state"                    : 0,
+      "block_delim"                    : 0,
+      "make_headings"                  : 0,
+      "dummy_heading_status"           : 0,
+      "dummy_heading_multiple_objects" : 0,
+      "no_ocn_multiple_objects"        : 0,
+      "verse_new"                      : 0,
+    ];
+    string[string] object_number_poem = [
+      "start" : "",
+      "end"   : ""
+    ];
+    string[] lv_ancestors_txt = [ "", "", "", "", "", "", "", "", ];
+    int[string] lv = [
+      "lv" : eN.bi.off,
+      "h0" : eN.bi.off,
+      "h1" : eN.bi.off,
+      "h2" : eN.bi.off,
+      "h3" : eN.bi.off,
+      "h4" : eN.bi.off,
+      "h5" : eN.bi.off,
+      "h6" : eN.bi.off,
+      "h7" : eN.bi.off,
+      "lev_int_collapsed" : 0,
+    ];
+    int[string] collapsed_lev = [
+      "h0" : eN.bi.off,
+      "h1" : eN.bi.off,
+      "h2" : eN.bi.off,
+      "h3" : eN.bi.off,
+      "h4" : eN.bi.off,
+      "h5" : eN.bi.off,
+      "h6" : eN.bi.off,
+      "h7" : eN.bi.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_                                                      = set_object_heading("lev4", "frontmatter", "toc", "Table of Contents");
+    comp_obj_.metainfo.identifier                                  = "";
+    comp_obj_.metainfo.dummy_heading                               = false;
+    comp_obj_.metainfo.object_number_off                           = true;
+    comp_obj_.metainfo.object_number_type                          = 0;
+    comp_obj_.tags.segment_anchor_tag_epub                         = "toc";
+    comp_obj_.tags.anchor_tag_html                                 = comp_obj_.tags.segment_anchor_tag_epub;
+    comp_obj_.tags.in_segment_html                                 = comp_obj_.tags.anchor_tag_html;
+    comp_obj_.ptr.html_segnames                                    = html_segnames_ptr;
+    comp_obj_.tags.anchor_tags                                     = ["toc"];
+    tag_assoc[comp_obj_.tags.anchor_tag_html]["seg_lv4"]            = comp_obj_.tags.in_segment_html;
+    tag_assoc[comp_obj_.tags.segment_anchor_tag_epub]["seg_lv1to4"] = comp_obj_.tags.segment_anchor_tag_epub;
+    auto toc_head                                                  = comp_obj_;
+    html_segnames_ptr_cntr++;
+    the_document_toc_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;
+    // abstraction init ↑
+    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]);
+      }
+    }
+    auto loopMarkupSrcByLine(
+      char[][]         markup_sourcefile_content,
+      string[string]   an_object,
+      uint[string]     pith,
+    ) {
+      _loopMarkupSrcByLineStruct ret;
+      srcDocLoopLineByLine_:
+      foreach (line; markup_sourcefile_content) {
+        // ↓ markup document/text line by line
+        // "line" variable can be empty but should never be null
+        // scope
+        scope(exit) { }
+        scope(failure) {
+          stderr.writefln(
+            "\n%s\n%s\n\n%s:%s\nFAILED while processing the file: ❮❮ %s ❯❯ on line with text:\n%s\n",
+            __MODULE__, __FUNCTION__,
+            __FILE__, __LINE__,
+            manifested.src.filename, line,
+          );
+        }
+        debug(source) { writeln(line); }
+        debug(srclines) { if (!line.empty) { writefln("* %s", line); } }
+        if (!line.empty) { pith = line._check_ocn_status_(pith); }
+        if ( pith["block_is"] == eN.blk_is.code
+          && pith["block_state"] == eN.blk_state.on
+        ) {
+          // block object: code
+          {
+            ST_txt_by_line_block_generic _get = line.txt_by_line_block_code(an_object, pith);
+            {
+              an_object = _get.this_object;
+              pith      = _get.pith;
+            }
+          }
+          continue;
+        } 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
+          line = line.inline_markup_faces; // by text line (rather than by text object), linebreaks in para problematic
+          if (line.matchFirst(rgx.heading_biblio)
+          || (pith["section"] == eN.sect.bibliography
+            && ((!(line.matchFirst(rgx.heading_glossary)))
+            && (!(line.matchFirst(rgx.heading_blurb)))
+            && (!(line.matchFirst(rgx.heading)))
+            && (!(line.matchFirst(rgx.comment)))))
+          ) {
+            pith["section"] = eN.sect.bibliography;
+            if (opt_action.backmatter && opt_action.section_biblio) {
+              {
+                ST_txt_by_line_block_biblio _get = line.txt_by_line_block_biblio(pith, bib_entry, biblio_entry_str_json, biblio_arr_json);
+                {
+                  pith                  = _get.pith;
+                  bib_entry             = _get.bib_entry;
+                  biblio_entry_str_json = _get.biblio_entry_str_json;
+                  biblio_arr_json       = _get.biblio_arr_json;
+                }
+              }
+              debug(bibliobuild) {
+                writeln("-  ", biblio_entry_str_json);
+                writeln("-> ", biblio_arr_json.length);
+              }
+            }
+            continue;
+          } else if (line.matchFirst(rgx.heading_glossary)
+          || (pith["section"] == eN.sect.glossary
+            && ((!(line.matchFirst(rgx.heading_biblio)))
+            && (!(line.matchFirst(rgx.heading_blurb)))
+            && (!(line.matchFirst(rgx.heading)))
+            && (!(line.matchFirst(rgx.comment)))))
+          ) {
+            // within section (block object): glossary
+            debug(glossary) { writeln(__LINE__); writeln(line); }
+            pith["section"] = eN.sect.glossary;
+            if (opt_action.backmatter && opt_action.section_glossary) {
+              ST_the_section add_to_glossary_sect = line.build_the_glossary_section(pith, tag_assoc); // double check, should not be necessary to pass pith
+              the_document_glossary_section ~= add_to_glossary_sect.comp_section_obj[0];
+              if (add_to_glossary_sect.comp_section_obj.length > 1) { // heading
+                the_document_glossary_section ~= add_to_glossary_sect.comp_section_obj[1];
+              }
+              pith      = add_to_glossary_sect.pith;
+              tag_assoc = add_to_glossary_sect.tag_assoc;
+            }
+            continue;
+          } else if (line.matchFirst(rgx.heading_blurb)
+          || (pith["section"] == eN.sect.blurb
+            && ((!(line.matchFirst(rgx.heading_glossary)))
+            && (!(line.matchFirst(rgx.heading_biblio)))
+            && (!(line.matchFirst(rgx.heading)))
+            && (!(line.matchFirst(rgx.comment)))))
+          ) {
+            pith["section"] = eN.sect.blurb;
+            debug(blurb) { writeln(__LINE__); writeln(line); }
+            if ((opt_action.backmatter && opt_action.section_blurb) && !(line.empty)) {
+              ST_the_section add_to_blurb_sect = line.build_the_blurb_section(pith, tag_assoc, opt_action); // double check, should not be necessary to pass pith
+              the_document_blurb_section ~= add_to_blurb_sect.comp_section_obj[0];
+              if (add_to_blurb_sect.comp_section_obj.length > 1) { // heading
+                the_document_blurb_section ~= add_to_blurb_sect.comp_section_obj[1];
+              }
+              pith      = add_to_blurb_sect.pith;
+              tag_assoc = add_to_blurb_sect.tag_assoc;
+            }
+            continue;
+          } else if (pith["block_state"] == eN.blk_state.on) {
+            if (pith["block_is"]    == eN.blk_is.quote) {
+              line = line
+                ._doc_header_and_make_substitutions_(conf_make_meta)
+                ._doc_header_and_make_substitutions_fontface_(conf_make_meta);
+              {
+                auto _get = line.txt_by_line_block_quote(an_object, pith);
+                {
+                  an_object = _get.this_object;
+                  pith      = _get.pith;
+                }
+              }
+              continue;
+            } else if (pith["block_is"]    == eN.blk_is.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_line_spaced ~ "$1");
+              {
+                auto _get = line.txt_by_line_block_group(an_object, pith);
+                {
+                  an_object = _get.this_object;
+                  pith      = _get.pith;
+                }
+              }
+              continue;
+            } else if (pith["block_is"]    == eN.blk_is.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 ]));
+              }
+              {
+                auto _get = line.txt_by_line_block_block(an_object, pith);
+                {
+                  an_object = _get.this_object;
+                  pith      = _get.pith;
+                }
+              }
+              continue;
+            } else if (pith["block_is"]    == eN.blk_is.poem) {
+              {
+                auto _get = line.txt_by_line_block_poem(an_object, pith, cntr, object_number_poem, conf_make_meta, tag_in_seg);
+                {
+                  an_object = _get.this_object;
+                  pith      = _get.pith;
+                  cntr      = _get.cntr;
+                }
+              }
+              continue;
+            } else if (pith["block_is"]    == eN.blk_is.table) {
+              {
+                auto _get = line.txt_by_line_block_table(an_object, pith, conf_make_meta);
+                {
+                  an_object      = _get.this_object;
+                  pith           = _get.pith;
+                  conf_make_meta = _get.conf_make_meta;
+                }
+              }
+              continue;
+            }
+          } else {
+            // not within a block group
+            assert(
+              (pith["block_state"] == eN.blk_state.off)
+              || (pith["block_state"] == eN.blk_state.closing),
+              "block status: none or closed"
+            );
+            if (line.matchFirst(rgx.block_open)) {
+              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;
+              }
+              {
+                auto _get = line.txt_by_line_block_start(pith, dochas, object_number_poem);
+                {
+                  pith               = _get.pith;
+                  dochas             = _get.dochas;
+                  object_number_poem = _get.object_number_poem;
+                }
+              }
+              continue;
+            } else if (!line.empty) {
+              // line not empty - non blocks (headings, paragraphs) & closed blocks
+              assert(!line.empty, "line tested, line not empty surely:\n  \"" ~ line ~ "\"");
+              assert(
+                (pith["block_state"] == eN.blk_state.off)
+                || (pith["block_state"] == eN.blk_state.closing),
+                "code block status: none or closed"
+              );
+              if (pith["block_state"] == eN.blk_state.closing) {
+                debug(check) { writeln(__LINE__); writeln(line); }
+                assert(
+                  line.matchFirst(rgx.book_index_item)
+                  || line.matchFirst(rgx.book_index_item_open)
+                  || pith["section"] == eN.sect.book_index,
+                  "\nblocks closed, unless followed by book index, non-matching line:\n  \""
+                  ~ line ~ "\""
+                );
+              }
+              if (line.matchFirst(rgx.book_index_item)
+              || line.matchFirst(rgx.book_index_item_open)
+              || pith["section"] == eN.sect.book_index)  {
+                { // book_index
+                  auto _get = line.flow_book_index_(an_object, book_idx_tmp, pith, opt_action);
+                  {
+                    an_object = _get.this_object;
+                    pith      = _get.pith;
+                    book_idx_tmp      = _get.book_idx_tmp;
+                  }
+                }
+              } else {
+                // not book_index
+                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;
+                  {
+                    auto _get = txt_by_line_common_reset_(line_occur, an_object, pith);
+                    {
+                      line_occur = _get.line_occur;
+                      an_object  = _get.this_object;
+                      pith       = _get.pith;
+                    }
+                  }
+                  processing.remove("verse");
+                  ++cntr;
+                } else if ((line_occur["para"] == eN.bi.off
+                  && line_occur["heading"] == eN.bi.off)
+                  && pith["txt_is"] == eN.txt_is.off
+                ) { // heading or para but neither flag nor line exists
+                  if ((conf_make_meta.make.headings.length > 2)
+                  && (pith["make_headings"] == eN.bi.off)) {
+                    // heading found
+                    {
+                      auto _get = line.flow_heading_found_(heading_match_str, conf_make_meta.make.headings, heading_match_rgx, pith);
+                      {
+                        heading_match_str = _get.heading_match_str;
+                        heading_match_rgx = _get.heading_match_rgx;
+                        pith              = _get.pith;
+                      }
+                    }
+                  }
+                  if (pith["make_headings"] == eN.bi.on
+                    && (line_occur["para"] == eN.bi.off
+                    && line_occur["heading"] == eN.bi.off)
+                    && pith["txt_is"] == eN.txt_is.off
+                  ) {
+                    // heading make set
+                    {
+                      auto _get = line.flow_heading_make_set_(line_occur, heading_match_rgx, pith);
+                      {
+                        line      = _get.line;
+                        an_object = _get.this_object;
+                        pith      = _get.pith;
+                      }
+                    }
+                  }
+                  // 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.headings)) {
+                    // heading match
+                    line = line._doc_header_and_make_substitutions_(conf_make_meta);
+                    {
+                      auto _get = line.flow_heading_matched_(
+                        an_object,
+                        line_occur,
+                        an_object_key,
+                        lv,
+                        collapsed_lev,
+                        pith,
+                        conf_make_meta,
+                      );
+                      {
+                        an_object = _get.this_object;
+                        pith      = _get.pith;
+                      }
+                    }
+                  } else if (line_occur["para"] == eN.bi.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);
+                    {
+                      auto _get = line.flow_para_match_(an_object, an_object_key, indent, bullet, pith, line_occur);
+                      {
+                        an_object     = _get.this_object;
+                        an_object_key = _get.this_object_key;
+                        pith          = _get.pith;
+                        indent        = _get.indent;
+                        bullet        = _get.bullet;
+                        line_occur    = _get.line_occur;
+                      }
+                    }
+                  }
+                } else if (line_occur["heading"] > eN.bi.off) {
+                  // heading
+                  debug(heading) { writeln(line); }
+                  an_object[an_object_key] ~= line ~= "\n";
+                  ++line_occur["heading"];
+                } else if (line_occur["para"] > eN.bi.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"];
+                }
+              }
+            } else if (pith["block_state"] == eN.blk_state.closing) {
+              // line empty, with blocks flag
+              {
+                auto _get = line.flow_block_flag_line_empty_(
+                  an_object,
+                  bookindex_extract_hash,
+                  the_document_body_section,
+                  bookindex_unordered_hashes,
+                  obj_cite_digits,
+                  comp_obj_,
+                  cntr,
+                  pith,
+                  object_number_poem,
+                  conf_make_meta,
+                  tag_in_seg,
+                );
+                {
+                  an_object                  = _get.this_object;
+                  the_document_body_section  = _get.the_document_body_section;
+                  bookindex_unordered_hashes = _get.bookindex_unordered_hashes;
+                  obj_cite_digits            = _get.obj_cite_digits;
+                  comp_obj_                  = _get.comp_obj_;
+                  cntr                       = _get.cntr;
+                  pith                       = _get.pith;
+                }
+              }
+            } else {
+              // line.empty, post contents, empty variables:
+              assert(
+                line.empty,
+                "\nline should be empty:\n  \""
+                ~ line ~ "\""
+              );
+              assert(
+                (pith["block_state"] == eN.blk_state.off),
+                "code block status: none"
+              );
+              if (_new_doc) {
+                tag_assoc   = tag_assoc.init;
+                lv0to3_tags = lv0to3_tags.init;
+                tag_in_seg  = tag_in_seg.init;
+              }
+              if (pith["txt_is"] == eN.txt_is.heading
+                && line_occur["heading"] > eN.bi.off
+              ) {
+                // heading object (current line empty)
+                obj_cite_digits = (an_object["lev_markup_number"].to!int == 0)
+                ? ocn_emit(eN.ocn.reset)
+                : ocn_emit(pith["ocn"]);
+                an_object["is"] = "heading";
+                an_object_key = "body_nugget";
+                ST_txtAndAnchorTagPlusHasFootnotesUrlsImages substantive_object_and_anchor_tags_struct
+                  = 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_struct.obj_txt;
+                anchor_tag = substantive_object_and_anchor_tags_struct.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)
+                  || (lv0to3_tags.length > 0))
+                ) {
+                  tag_in_seg["seg_lv4"]    = anchor_tag;
+                  tag_in_seg["seg_lv1to4"] = anchor_tag;
+                  lev_anchor_tag = anchor_tag;
+                  tag_assoc[anchor_tag]["seg_lv4"]    = tag_in_seg["seg_lv4"];
+                  tag_assoc[anchor_tag]["seg_lv1to4"] = tag_in_seg["seg_lv1to4"];
+                  if (lv0to3_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; lv0to3_tags) {
+                      tag_assoc[lv0_to_lv3_html_tag]["seg_lv4"] = anchor_tag;
+                    }
+                  }
+                  anchor_tag_ = anchor_tag;
+                  lv0to3_tags = lv0to3_tags.init;
+                } else if (an_object["lev_markup_number"].to!int > 4) {
+                  tag_in_seg["seg_lv4"]    = anchor_tag_;
+                  tag_in_seg["seg_lv1to4"] = anchor_tag_;
+                  lev_anchor_tag           = anchor_tag;
+                  tag_assoc[anchor_tag]["seg_lv4"] = tag_in_seg["seg_lv4"];
+                  tag_assoc[anchor_tag]["seg_lv1to4"] = tag_in_seg["seg_lv1to4"];
+                } 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:
+                    lv0to3_tags ~= obj_cite_digits.object_number.to!string;
+                    lv0to3_tags ~= segn;
+                    tag_in_seg["seg_lv4"]    = segn; // for html segname need following lv4 not yet known
+                    tag_in_seg["seg_lv1to4"] = 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);
+                _anchor_tag                   = obj_cite_digits.identifier;
+                // (incrementally build toc) table of contents here!
+                {
+                  auto _get = obj_im.flow_table_of_contents_gather_headings(
+                    an_object,
+                    conf_make_meta,
+                    tag_in_seg,
+                    _anchor_tag,
+                    lev4_subtoc,
+                    the_document_toc_section,
+                  );
+                  {
+                    the_document_toc_section = _get.the_document_toc_section;
+                    lev4_subtoc              = _get.lev4_subtoc;
+                  }
+                }
+                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_lv1to4"];
+                }
+                auto comp_obj_ = node_construct.node_emitter_heading(
+                    an_object,
+                    tag_in_seg,
+                    lev_anchor_tag,
+                    tag_assoc,
+                    obj_cite_digits,                              // OCNset
+                    cntr,                                         // int
+                    heading_ptr,                                  // int
+                    lv_ancestors_txt,                             // string[]
+                    html_segnames_ptr,                            // int
+                    substantive_object_and_anchor_tags_struct,
+                  );
+                ++heading_ptr;
+                debug(segments) {
+                  writeln(an_object["lev_markup_number"]);
+                  writeln(tag_in_seg["seg_lv4"]);
+                  writeln(tag_in_seg["seg_lv1to4"]);
+                }
+                the_document_body_section ~= comp_obj_;
+                debug(objectrelated1) { writeln(line); } // check
+                {
+                  auto _get = txt_by_line_common_reset_(line_occur, an_object, pith);
+                  {
+                    line_occur = _get.line_occur;
+                    an_object  = _get.this_object;
+                    pith       = _get.pith;
+                  }
+                }
+                an_object.remove("lev");
+                an_object.remove("lev_markup_number");
+                processing.remove("verse");
+                ++cntr;
+              } else if (pith["txt_is"] == eN.txt_is.para
+                && line_occur["para"] > eN.bi.off
+              ) { // paragraph object (current line empty) - repeated character paragraph separator
+                if ((an_object[an_object_key].to!string).matchFirst(rgx.repeated_character_line_separator)) {
+                  pith["ocn"] = eN.ocn.off;
+                }
+                obj_cite_digits = ocn_emit(pith["ocn"]);
+                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_ = 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"],
+                  );
+                ST_txtAndAnchorTagPlusHasFootnotesUrlsImages substantive_obj_misc_struct
+                  = 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_struct.obj_txt;
+                anchor_tag = substantive_obj_misc_struct.anchor_tag;
+                comp_obj_                                       = set_object_generic("body", "body", "para", "para", an_object["substantive"].to!string.strip, obj_cite_digits.object_number);
+                comp_obj_.tags.html_segment_anchor_tag_is       = tag_in_seg["seg_lv4"];
+                comp_obj_.tags.epub_segment_anchor_tag_is       = tag_in_seg["seg_lv1to4"];
+                comp_obj_.metainfo.identifier                   = obj_cite_digits.identifier;
+                comp_obj_.metainfo.object_number_off            = (obj_cite_digits.off == 0)   ? true : false; // TODO
+                comp_obj_.metainfo.o_n_book_index               = obj_cite_digits.bkidx;
+                comp_obj_.metainfo.object_number_type           = obj_cite_digits.type;
+                comp_obj_.attrib.indent_hang                    = indent["hang_position"];
+                comp_obj_.attrib.indent_base                    = indent["base_position"];
+                comp_obj_.attrib.bullet                         = bullet;
+                comp_obj_.tags.anchor_tags                      = [anchor_tag]; anchor_tag="";
+                comp_obj_.has.inline_notes_reg                  = substantive_obj_misc_struct.has_notes_reg;
+                comp_obj_.has.inline_notes_star                 = substantive_obj_misc_struct.has_notes_star;
+                comp_obj_.has.inline_links                      = substantive_obj_misc_struct.has_links;
+                comp_obj_.has.image_without_dimensions          = substantive_obj_misc_struct.has_images_without_dimensions;
+                the_document_body_section                       ~= comp_obj_;
+                tag_assoc                                           = an_object.inline_para_link_anchor(tag_in_seg, tag_assoc);
+                {
+                  auto _get = txt_by_line_common_reset_(line_occur, an_object, pith);
+                  {
+                    line_occur = _get.line_occur;
+                    an_object  = _get.this_object;
+                    pith       = _get.pith;
+                  }
+                }
+                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
+              }
+            } // close else for line empty
+          } // close else for not the above
+        } // close after non code, other blocks or regular text
+        // 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[$-1].metainfo.heading_lev_markup < 5)) {
+              pith["section"] = eN.sect.unset;
+            }
+            if (the_document_body_section[$-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
+                  )) {
+                    object_notes = 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;
+                object_notes = 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;
+          }
+        }
+      }
+      ret.toc          = the_document_toc_section;
+      ret.body         = the_document_body_section;
+      ret.glossary     = the_document_glossary_section;
+      ret.blurb        = the_document_blurb_section;
+      ret.object_notes = object_notes;
+      ret.segnames     = segnames;
+      return ret;
+    }
+    { // loopMarkupSrcByLine
+      auto _doc_by_line = loopMarkupSrcByLine(markup_sourcefile_content, an_object, pith);
+      the_document_toc_section      = _doc_by_line.toc;
+      the_document_body_section     = _doc_by_line.body;
+      the_document_glossary_section = _doc_by_line.glossary;
+      the_document_blurb_section    = _doc_by_line.blurb;
+      segnames                      = _doc_by_line.segnames;
+      object_notes                  = _doc_by_line.object_notes; // endnotes, compare, not sure is used
+      destroy(_doc_by_line);
+    }
+    { // EOF  backMatter
+      comp_obj_                                              = set_object_heading("lev1", "backmatter", "tail", "");
+      comp_obj_.metainfo.identifier                          = "";
+      comp_obj_.metainfo.dummy_heading                       = false;
+      comp_obj_.metainfo.object_number_off                   = false;
+      comp_obj_.metainfo.object_number_type                  = 0;
+      comp_obj_.tags.segment_anchor_tag_epub                 = "_part_eof";
+      comp_obj_.tags.anchor_tag_html                         = comp_obj_.tags.segment_anchor_tag_epub;
+      comp_obj_.tags.in_segment_html                         = "tail";
+      comp_obj_.tags.anchor_tags                             = ["section_eof"];
+      comp_obj_.metainfo.dom_structure_markedup_tags_status  = [ 0, 0, 0, 0, 0, 0, 0, 0];
+      comp_obj_.metainfo.dom_structure_collapsed_tags_status = [ 0, 0, 0, 0, 0, 0, 0, 0];
+      the_document_xml_dom_tail_section                              ~= comp_obj_;
+      tag_assoc[comp_obj_.tags.anchor_tag_html]["seg_lv4"]            = comp_obj_.tags.in_segment_html;
+      tag_assoc[comp_obj_.tags.segment_anchor_tag_epub]["seg_lv1to4"] = comp_obj_.tags.segment_anchor_tag_epub;
+    }
+    // endNotes
+    ST_endnotes en_st = note_section.backmatter_endnote_objects(obj_cite_digits, opt_action);
+    { // endnotes
+      the_document_endnotes_section = en_st.endnotes;
+      obj_cite_digits = en_st.ocn;
+      debug(endnotes) {
+        writefln("%s %s", __LINE__, the_document_endnotes_section.length);
+        foreach (o; the_document_endnotes_section) { writeln(o); }
+      }
+    }
+    { // glossary
+      if (an_object["glossary_nugget"].length == 0) {
+        comp_obj_                                   = set_object_heading("lev1", "empty", "empty", "(skip) there is no Glossary section");
+        comp_obj_.metainfo.identifier               = "";
+        comp_obj_.metainfo.dummy_heading            = true;
+        comp_obj_.metainfo.object_number_off        = true;
+        comp_obj_.metainfo.object_number_type       = 0;
+        the_document_glossary_section               ~= comp_obj_;
+      }
+      debug(glossary) { foreach (gloss; the_document_glossary_section) { writeln(gloss.text); } }
+    }
+    { // bibliography
+      string[] biblio_unsorted_incomplete = biblio_arr_json.dup;
+      ST_biblio_section biblio_section    = backmatter_make_the_bibliography_section(biblio_unsorted_incomplete, bib_arr_json);
+      the_document_bibliography_section   = biblio_section.bibliography_section;
+      tag_assoc                           = biblio_section.tag_assoc;
+    }
+    { // bookindex
+      BookIndexReportSection bi = BookIndexReportSection();
+      ST_bookindex bi_st
+        = bi.backmatter_bookindex_build_abstraction_section(bookindex_unordered_hashes, obj_cite_digits, opt_action);
+      destroy(bookindex_unordered_hashes);
+      the_document_bookindex_section = bi_st.bookindex;
+      obj_cite_digits = bi_st.ocn;
+      debug(bookindex) { foreach (bi_entry; the_document_bookindex_section) { writeln(bi_entry); } }
+    }
+    { // blurb
+      if (an_object["blurb_nugget"].length == 0) {
+        comp_obj_                                   = set_object_heading("lev1", "empty", "empty", "(skip) there is no Blurb section");
+        comp_obj_.metainfo.identifier               = "";
+        comp_obj_.metainfo.object_number_off        = true;
+        comp_obj_.metainfo.object_number_type       = 0;
+        comp_obj_.tags.segment_anchor_tag_epub      = "";
+        comp_obj_.tags.anchor_tag_html              = "";
+        comp_obj_.tags.in_segment_html              = "";
+        the_document_blurb_section                  ~= comp_obj_;
+      }
+      debug(blurb) { foreach (blurb; the_document_blurb_section) { writeln(blurb.text); } }
+    }
+    { // toc gather backmatter
+      the_document_toc_section ~= backmatter_gather_table_of_contents(the_document_endnotes_section, the_document_glossary_section, the_document_bibliography_section, the_document_bookindex_section, the_document_blurb_section); //
+    }
+    { // document head and body
+      the_document_head_section ~= the_document_body_section[0];
+      the_document_body_section = the_document_body_section[1..$];
+    }
+    { // document ancestors
+      ST_ancestors get_ancestors;
+      get_ancestors = the_document_body_section.after_doc_determine_ancestors(the_document_endnotes_section, the_document_glossary_section, the_document_bibliography_section, the_document_bookindex_section, the_document_blurb_section);
+      the_document_body_section         = get_ancestors.the_document_body_section;
+      the_document_endnotes_section     = get_ancestors.the_document_endnotes_section;
+      the_document_glossary_section     = get_ancestors.the_document_glossary_section;
+      the_document_bibliography_section = get_ancestors.the_document_bibliography_section;
+      the_document_bookindex_section    = get_ancestors.the_document_bookindex_section;
+      the_document_blurb_section        = get_ancestors.the_document_blurb_section;
+    }
+    { // document segnames
+      ST_segnames get_segnames;
+      get_segnames = the_document_body_section.after_doc_determine_segnames(the_document_endnotes_section, the_document_glossary_section, the_document_bibliography_section, the_document_bookindex_section, the_document_blurb_section, segnames, html_segnames_ptr_cntr, html_segnames_ptr); //
+      segnames                          = get_segnames.segnames;
+      html_segnames_ptr_cntr            = get_segnames.html_segnames_ptr_cntr;
+      html_segnames_ptr                 = get_segnames.html_segnames_ptr;
+    }
+    // document head
+    string[] segnames_0_to_4;
+    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);
+    }
+    if (the_document_toc_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_document_toc_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);
+      }
+    }
+    // images
+    string[] _images;
+    // 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_lv1to4"]
+          = 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;
+    // endnotes optional only one 1~ level
+    if (the_document_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_document_endnotes_section) {
+        if (obj.metainfo.is_a == "heading") {
+          debug(dom) { writeln(obj.text); }
+          if (obj.metainfo.heading_lev_markup == 1) {
+            obj_cite_digits                               = ocn_emit(eN.ocn.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);
+      }
+    }
+    // glossary optional only one 1~ level
+    if (the_document_glossary_section.length > 1) {
+      foreach (ref obj; the_document_glossary_section) {
+        if (obj.metainfo.is_a == "heading") {
+          debug(dom) { writeln(obj.text); }
+          if (obj.metainfo.heading_lev_markup == 1) {
+            obj_cite_digits                               = ocn_emit(eN.ocn.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.text.empty)) {
+          obj_cite_digits         = ocn_emit(eN.ocn.on);
+          obj.metainfo.ocn        = obj_cite_digits.object_number;
+          obj.metainfo.identifier = obj_cite_digits.identifier;
+        }
+        obj = _links(obj);
+      }
+    }
+    // bibliography optional only one 1~ level
+    if (the_document_bibliography_section.length > 1) {
+      foreach (ref obj; the_document_bibliography_section) {
+        if (obj.metainfo.is_a == "heading") {
+          debug(dom) { writeln(obj.text); }
+          if (obj.metainfo.heading_lev_markup == 1) {
+            obj_cite_digits                               = ocn_emit(eN.ocn.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(eN.ocn.on);
+          obj.metainfo.ocn                                = obj_cite_digits.object_number;
+          obj.metainfo.identifier                         = obj_cite_digits.identifier;
+        }
+        obj = _links(obj);
+      }
+    }
+    // book index, optional only one 1~ level
+    int ocn_       = obj_cite_digits.object_number;
+    int ocn_bkidx_ = 0;
+    int ocn_bidx_;
+    if (the_document_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_document_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;
+          }
+          if (obj.metainfo.heading_lev_markup == 1) {
+            obj_cite_digits                               = ocn_emit(eN.ocn.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(eN.ocn.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_ ~ "?");
+    }
+    // blurb optional only one 1~ level
+    if (the_document_blurb_section.length > 1) {
+      foreach (ref obj; the_document_blurb_section) {
+        if (obj.metainfo.is_a == "heading") {
+          debug(dom) { writeln(obj.text); }
+          if (obj.metainfo.heading_lev_markup == 1) {
+            obj_cite_digits                               = ocn_emit(eN.ocn.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(eN.ocn.off);
+          obj.metainfo.object_number_off                  = obj_cite_digits.off;
+          obj.metainfo.object_number_type                 = OCNtype.non;
+        }
+        obj = _links(obj);
+      }
+    }
+    // get descendants
+    if (the_document_body_section.length > 1) {
+      auto pairs = after_doc_get_descendants(
+        the_document_head_section ~
+        the_document_body_section ~
+        the_document_endnotes_section ~
+        the_document_glossary_section ~
+        the_document_bibliography_section ~
+        the_document_bookindex_section ~
+        the_document_blurb_section ~
+        the_document_xml_dom_tail_section
+      );
+      debug(descendants_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_descendant_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_descendant_ocn = pair[1];
+              }
+            }
+          }
+        }
+      }
+      if (the_document_endnotes_section.length > 1) {
+        foreach (ref obj; the_document_endnotes_section) {
+          if (obj.metainfo.is_a == "heading") {
+            foreach (pair; pairs) {
+              if (obj.metainfo.ocn == pair[0]) {
+                obj.metainfo.last_descendant_ocn = pair[1];
+              }
+            }
+          }
+        }
+      }
+      if (the_document_glossary_section.length > 1) {
+        foreach (ref obj; the_document_glossary_section) {
+          if (obj.metainfo.is_a == "heading") {
+            foreach (pair; pairs) {
+              if (obj.metainfo.ocn == pair[0]) {
+                obj.metainfo.last_descendant_ocn = pair[1];
+              }
+            }
+          }
+        }
+      }
+      if (the_document_bibliography_section.length > 1) {
+        foreach (ref obj; the_document_bibliography_section) {
+          if (obj.metainfo.is_a == "heading") {
+            foreach (pair; pairs) {
+              if (obj.metainfo.ocn == pair[0]) {
+                obj.metainfo.last_descendant_ocn = pair[1];
+              }
+            }
+          }
+        }
+      }
+      if (the_document_bookindex_section.length > 1) {
+        foreach (ref obj; the_document_bookindex_section) {
+          if (obj.metainfo.is_a == "heading") {
+            foreach (pair; pairs) {
+              if (obj.metainfo.ocn == pair[0]) {
+                obj.metainfo.last_descendant_ocn = pair[1];
+              }
+            }
+          }
+        }
+      }
+      if (the_document_blurb_section.length > 1) {
+        foreach (ref obj; the_document_blurb_section) {
+          if (obj.metainfo.is_a == "heading") {
+            foreach (pair; pairs) {
+              if (obj.metainfo.ocn == pair[0]) {
+                obj.metainfo.last_descendant_ocn = pair[1];
+              }
+            }
+          }
+        }
+      }
+      if (the_document_xml_dom_tail_section.length > 1) {
+        foreach (ref obj; the_document_xml_dom_tail_section) {
+          if (obj.metainfo.is_a == "heading") {
+            foreach (pair; pairs) {
+              if (obj.metainfo.ocn == pair[0]) {
+                obj.metainfo.last_descendant_ocn = pair[1];
+              }
+            }
+          }
+        }
+      }
+    }
+    // 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_                                               = set_object_heading("lev1", "empty", "empty", "");
+    comp_obj_.metainfo.identifier                           = "";
+    comp_obj_.metainfo.dummy_heading                        = true;
+    comp_obj_.metainfo.object_number_off                    = true;
+    comp_obj_.metainfo.object_number_type                   = 0;
+    comp_obj_.tags.segment_anchor_tag_epub                  = "";
+    comp_obj_.tags.anchor_tag_html                          = "";
+    comp_obj_.tags.in_segment_html                          = "";
+    comp_obj_.tags.html_segment_anchor_tag_is               = "";
+    comp_obj_.tags.epub_segment_anchor_tag_is               = "";
+    comp_obj_.metainfo.heading_lev_markup                   = 9;
+    comp_obj_.metainfo.heading_lev_collapsed                = 9;
+    comp_obj_.metainfo.parent_ocn                           = 0;
+    comp_obj_.metainfo.parent_lev_markup                    = 0;
+    comp_obj_.metainfo.dom_structure_markedup_tags_status   = dom_structure_markedup_tags_status.dup;
+    comp_obj_.metainfo.dom_structure_collapsed_tags_status  = dom_structure_collapsed_tags_status.dup;
+    comp_obj_ = comp_obj_.obj_dom_structure_set_markup_tags(dom_structure_markedup_tags_status, 0);
+    comp_obj_ = comp_obj_.obj_dom_set_collapsed_tags(dom_structure_collapsed_tags_status, 0);
+    comp_obj_ = comp_obj_.obj_heading_ancestors(lv_ancestors_txt);
+    // the_dom_tail_section                      ~= comp_obj_; // remove tail for now, decide on later
+    // the doc
+    ObjGenericComposite[][string] document_the = [
+      "head":             the_document_head_section,
+      "toc":              the_document_toc_section,
+      // substantive/body:
+      "body":             the_document_body_section,
+      // backmatter:
+      "endnotes":         the_document_endnotes_section,
+      "glossary":         the_document_glossary_section,
+      "bibliography":     the_document_bibliography_section,
+      "bookindex":        the_document_bookindex_section,
+      "blurb":            the_document_blurb_section,
+      // dom tail only
+      "tail":             the_document_xml_dom_tail_section,
+    ];
+    // document parts keys as needed
+    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";
+    }
+    // segnames
+    string[] segnames_4                 = segnames["html"].dup;
+    string[] segnames_lv1to4            = segnames["epub"].dup;
+    debug(segnames) {
+      writeln("segnames_lv4:    ", segnames_4);
+      writeln("segnames_lv1to4: ", segnames_lv1to4);
+    }
+    // restart
+    destroy(the_document_head_section);
+    destroy(the_document_toc_section);
+    destroy(the_document_body_section);
+    destroy(the_document_endnotes_section);
+    destroy(the_document_glossary_section);
+    destroy(the_document_bibliography_section);
+    destroy(the_document_bookindex_section);
+    destroy(the_document_blurb_section);
+    destroy(the_document_xml_dom_tail_section);
+    destroy(segnames);
+    destroy(bookindex_unordered_hashes);
+    destroy(an_object);
+    obj_cite_digits                             = ocn_emit(eN.ocn.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,];
+    dom_structure_markedup_tags_status_buffer   = [ 0, 0, 0, 0, 0, 0, 0, 0,];
+    dom_structure_collapsed_tags_status         = [ 0, 0, 0, 0, 0, 0, 0, 0,];
+    dom_structure_collapsed_tags_status_buffer  = [ 0, 0, 0, 0, 0, 0, 0, 0,];
+    lev_anchor_tag = "";
+    anchor_tag = "";
+    // identify parts
+    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;
+      }
+    }
+    auto doc_has() {
+      return DocHas_();
+    }
+    // the doc to be returned
+    struct ST_docAbstraction {
+      ObjGenericComposite[][string] document_the;
+      DocHas_                       doc_has;
+    }
+    ST_docAbstraction ret;
+    {
+      ret.document_the = document_the;
+      ret.doc_has      = doc_has;
+    }
+    return ret;
+  } // ← closed: abstract doc source
+}
diff --git a/src/sisudoc/meta/metadoc_from_src_functions.d b/src/sisudoc/meta/metadoc_from_src_functions.d
new file mode 100644
index 0000000..29e675c
--- /dev/null
+++ b/src/sisudoc/meta/metadoc_from_src_functions.d
@@ -0,0 +1,5216 @@
+/+
+- Name: SisuDoc Spine, Doc Reform [a part of]
+  - Description: documents, structuring, processing, publishing, search
+    - static content generator
+
+  - Author: Ralph Amissah
+    [ralph.amissah@gmail.com]
+
+  - Copyright: (C) 2015 - 2024 Ralph Amissah, All Rights Reserved.
+
+  - License: AGPL 3 or later:
+
+    Spine (SiSU), a framework for document structuring, publishing and
+    search
+
+    Copyright (C) Ralph Amissah
+
+    This program is free software: you can redistribute it and/or modify it
+    under the terms of the GNU AFERO General Public License as published by the
+    Free Software Foundation, either version 3 of the License, or (at your
+    option) any later version.
+
+    This program is distributed in the hope that it will be useful, but WITHOUT
+    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+    FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+    more details.
+
+    You should have received a copy of the GNU General Public License along with
+    this program. If not, see [https://www.gnu.org/licenses/].
+
+    If you have Internet connection, the latest version of the AGPL should be
+    available at these locations:
+    [https://www.fsf.org/licensing/licenses/agpl.html]
+    [https://www.gnu.org/licenses/agpl.html]
+
+  - Spine (by Doc Reform, related to SiSU) uses standard:
+    - docReform markup syntax
+      - standard SiSU markup syntax with modified headers and minor modifications
+    - docReform object numbering
+      - standard SiSU object citation numbering & system
+
+  - Homepages:
+    [https://www.sisudoc.org]
+    [https://www.doc-reform.org]
+
+  - Git
+    [https://git.sisudoc.org/]
+
++/
+// document abstraction:
+// abstraction of sisu markup for downstream processing
+// metadoc_from_src.d
+module sisudoc.meta.metadoc_from_src_functions;
+@safe:
+template docAbstractionFunctions() {
+  // ↓ abstraction imports
+  import
+    std.algorithm,
+    std.container,
+    std.file,
+    std.json,
+    std.path;
+  import
+    sisudoc.meta,
+    sisudoc.meta.defaults,
+    sisudoc.meta.rgx,
+    sisudoc.meta.metadoc_object_setter,
+    sisudoc.meta.rgx;
+  // ↓ abstraction mixins
+  mixin ObjectSetter;
+  mixin InternalMarkup;
+  mixin spineRgxIn;
+  static auto rgx = RgxI();
+  // initialize
+  string[string] an_object, processing, object_notes;
+  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[] lv0to3_tags;
+  // enum
+  // 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";
+  // ocn
+  OCNset obj_cite_digits;
+  int obj_cite_digit_, obj_cite_digit_off, obj_cite_digit_bkidx, obj_cite_digit_type;
+  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,];
+  static auto obj_im = ObjInlineMarkup();
+  static auto obj_att = ObjAttributes();
+  auto object_citation_number = OCNemitter();
+  auto node_construct = NodeStructureMetadata();
+  // ↓ abstraction function emitters
+  // ↓ - emitters
+  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 <= eN.ocn.reset);
+      ocn_object_number              = ocn_bkidx = 0;
+      object_identifier              = "";
+      ocn_is_off                     = false;
+      switch(ocn_status_flag) with (eN.ocn) {
+      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: // unused?
+        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() {
+    }
+  }
+  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;
+  }
+  static  OCNset ocn_emit(int ocn_status_flag) {
+    return object_citation_number.ocn_emitter(ocn_status_flag);
+  }
+  static uint[string] _check_ocn_status_()(
+    char[]       line,
+    uint[string] pith,
+  ) {
+    static auto rgx = RgxI();
+    if (!(line.empty)) {
+      if (pith["no_ocn_multiple_objects"] == eN.bi.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)) {
+            pith["no_ocn_multiple_objects"]             = eN.bi.on;
+            pith["ocn"]                                 = eN.ocn.off;
+            debug(ocnoff) { writeln(line); }
+          }
+          if (line.matchFirst(rgx.object_number_off_block_dummy_heading)) {
+            pith["no_ocn_multiple_objects"]             = eN.bi.on;
+            pith["dummy_heading_multiple_objects"]      = eN.bi.on;
+            pith["ocn"]                                 = eN.ocn.off;
+            debug(ocnoff) { writeln(line); }
+          }
+        } else if (pith["no_ocn_multiple_objects"] == eN.bi.off) {
+            pith["dummy_heading_status"]                = eN.bi.off;
+            if (pith["dummy_heading_multiple_objects"]) {
+              pith["dummy_heading_status"]              = eN.bi.on;
+            }
+            if (line.matchFirst(rgx.object_number_off)) {
+              pith["ocn"]                               = eN.ocn.off;
+            } else if (line.matchFirst(rgx.object_number_off_dummy_heading)) {
+              pith["ocn"]                               = eN.ocn.off;
+              pith["dummy_heading_status"]              = eN.bi.on;
+            } else {
+              pith["ocn"]                               = eN.ocn.on;
+              pith["dummy_heading_status"]              = eN.bi.off;
+            }
+          } else {
+            pith["ocn"] = pith["no_ocn_multiple_objects"];
+          }
+      } else if (pith["no_ocn_multiple_objects"] == eN.bi.on) {
+        if (line.matchFirst(rgx.object_number_off_block_close)) {
+          pith["no_ocn_multiple_objects"]               = eN.bi.off;
+          pith["ocn"]                                   = eN.ocn.on;
+          pith["dummy_heading_status"]                  = eN.bi.off;
+          debug(ocnoff) { writeln(line); }
+        }
+      }
+    }
+    return pith;
+  }
+  // ↑ - emitters ↑
+  // ↓ abstraction functions
+  // ↓ - reset text by line
+  @system ST_txt_by_line_common_reset txt_by_line_common_reset_()(
+    int[string]     line_occur,
+    string[string]  an_object,
+    uint[string]    pith,
+  ) {
+    line_occur["heading"]                               = eN.bi.off;
+    line_occur["para"]                                  = eN.bi.off;
+    pith["txt_is"]                                      = eN.txt_is.off;
+    an_object                                           = an_object.object_reset;
+    ST_txt_by_line_common_reset ret;
+    {
+      ret.line_occur  = line_occur;
+      ret.this_object = an_object;
+      ret.pith        = pith;
+    }
+    return ret;
+  }
+  // ↓ - reset object
+  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;
+  }
+  // ↑ - resets
+  // ↓ - markup text by line
+  char[] font_faces_line()(char[] textline) {
+    static auto rgx = RgxI();
+    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%s┃",
+            mkup.ff_i, 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%s┃",
+            mkup.ff_i, 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%s┃",
+            mkup.ff_i, 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%s┃",
+            mkup.ff_i, mkup.italic,  mkup.ff_o, "$1", mkup.ff_c, mkup.italic, "$2"));
+    }
+    return textline;
+  }
+  auto inline_markup_faces(L)(L line) {
+    static auto rgx = RgxI();
+    static auto mkup = InlineMarkup();
+    line = replaceAll!(m => mkup.quote_o ~ m[1] ~ mkup.quote_c)(line, rgx.within_quotes);
+    line = replaceAll!(m => mkup.ff_i ~ mkup.mono ~ mkup.ff_o ~ m["text"] ~ mkup.ff_c ~ mkup.mono)(line, rgx.inline_mark_mono);
+    line = replaceAll!(m => mkup.ff_i ~ 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 => mkup.ff_i ~ 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 = RgxI();
+    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;
+  }
+  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;
+  }
+  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;
+  }
+  // ↑ - markup by line
+  // ↓ - text by line (blocks etc.)
+  ST_txt_by_line_block_start txt_by_line_block_start()(
+    char[]         line,
+    uint[string]   pith,
+    uint[string]   dochas,
+    string[string] object_number_poem
+  ) {
+    static auto rgx = RgxI();
+    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) { writefln( "* [code curly] %s", line); }                              // code (curly) open
+      pith["block_is"]                = eN.blk_is.code;
+      pith["block_state"]             = eN.blk_state.on;
+      pith["block_delim"]             = eN.blk_delim.curly;
+    } 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) { writefln( "* [poem curly] %s", line); }                              // poem (curly) open
+      object_number_poem["start"]     = obj_cite_digits.object_number.to!string;
+      pith["block_is"]                = eN.blk_is.poem;
+      pith["block_state"]             = eN.blk_state.on;
+      pith["block_delim"]             = eN.blk_delim.curly;
+      pith["verse_new"]               = eN.bi.on;
+    } 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) { writefln( "* [group curly] %s", line); }                             // group (curly) open
+      pith["block_is"]                = eN.blk_is.group;
+      pith["block_state"]             = eN.blk_state.on;
+      pith["block_delim"]             = eN.blk_delim.curly;
+    } 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) { writefln( "* [block curly] %s", line); }
+      pith["block_is"]                = eN.blk_is.block;
+      pith["block_state"]             = eN.blk_state.on;
+      pith["block_delim"]             = eN.blk_delim.curly;
+    } 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) { writefln( "* [quote curly] %s", line); }
+      pith["block_is"]                = eN.blk_is.quote;
+      pith["block_state"]             = eN.blk_state.on;
+      pith["block_delim"]             = eN.blk_delim.curly;
+    } else if (auto m = line.matchFirst(rgx.block_curly_table_open)) {           // curly table open
+      debug(table) { writefln( "* [table curly] %s", line); }
+      dochas["table"] ++;
+      an_object["table_head"]         = m["attrib"].to!string;
+      an_object["block_type"]         = "curly";
+      pith["block_is"]                = eN.blk_is.table;
+      pith["block_state"]             = eN.blk_state.on;
+      pith["block_delim"]             = eN.blk_delim.curly;
+    } 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";
+      pith["block_is"]                = eN.blk_is.table;
+      pith["block_state"]             = eN.blk_state.on;
+      pith["block_delim"]             = eN.blk_delim.curly_special;
+    } 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) { writefln( "* [code tic] %s", line); }
+      pith["block_is"]                = eN.blk_is.code;
+      pith["block_state"]             = eN.blk_state.on;
+      pith["block_delim"]             = eN.blk_delim.tic;
+    } 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) { writefln( "* [poem tic] %s", line); }
+      object_number_poem["start"]     = obj_cite_digits.object_number.to!string;
+      pith["block_is"]                = eN.blk_is.poem;
+      pith["block_state"]             = eN.blk_state.on;
+      pith["block_delim"]             = eN.blk_delim.tic;
+      pith["verse_new"]               = eN.bi.on;
+    } 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) { writefln( "* [group tic] %s", line); }
+      pith["block_is"]                = eN.blk_is.group;
+      pith["block_state"]             = eN.blk_state.on;
+      pith["block_delim"]             = eN.blk_delim.tic;
+    } 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) { writefln( "* [block tic] %s", line); }
+      pith["block_is"]                = eN.blk_is.block;
+      pith["block_state"]             = eN.blk_state.on;
+      pith["block_delim"]             = eN.blk_delim.tic;
+    } 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) { writefln( "* [quote tic] %s", line);                        // quote (tic) open
+      }
+      pith["block_is"]                = eN.blk_is.quote;
+      pith["block_state"]             = eN.blk_state.on;
+      pith["block_delim"]             = eN.blk_delim.tic;
+    } else if (auto m = line.matchFirst(rgx.block_tic_table_open)) {             // tic table open
+      debug(table) { writefln( "* [table tic] %s", line); }
+      dochas["table"] ++;
+      an_object["table_head"]         = m["attrib"].to!string;
+      an_object["block_type"]         = "tic";
+      pith["block_is"]                = eN.blk_is.table;
+      pith["block_state"]             = eN.blk_state.on;
+      pith["block_delim"]             = eN.blk_delim.tic;
+    }
+    ST_txt_by_line_block_start ret;
+    {
+      ret.pith               = pith;
+      ret.dochas             = dochas;
+      ret.object_number_poem = object_number_poem;
+    }
+    return ret;
+  }
+  ST_txt_by_line_block_generic txt_by_line_block_group()(
+    char[]          line,
+    string[string]  an_object,
+    uint[string]    pith,
+  ) {
+    static auto rgx = RgxI();
+    if (pith["block_is"] == eN.blk_is.group) {
+      if (pith["block_delim"] == eN.blk_delim.curly) {
+        if (line.matchFirst(rgx.block_curly_group_close)) {
+          debug(group) { writeln(line); }
+          an_object[an_object_key]    = an_object[an_object_key].stripRight;
+          pith["block_is"]            = eN.blk_is.group;
+          pith["block_state"]         = eN.blk_state.closing;
+          pith["block_delim"]         = eN.blk_delim.off;
+        } else {
+          debug(group) { writeln(line); }
+          an_object[an_object_key] ~= line ~= "\n";
+        }
+      } else if (pith["block_delim"] == eN.blk_delim.tic) {
+        if (line.matchFirst(rgx.block_tic_close)) {
+          debug(group) { writeln(line); }
+          an_object[an_object_key]    = an_object[an_object_key].stripRight;
+          pith["block_is"]            = eN.blk_is.group;
+          pith["block_state"]         = eN.blk_state.closing;
+          pith["block_delim"]         = eN.blk_delim.off;
+        } else {
+          debug(group) { writeln(line); }
+          an_object[an_object_key] ~= line ~= "\n";
+        }
+      }
+    }
+    ST_txt_by_line_block_generic ret;
+    {
+      ret.pith        = pith;
+      ret.this_object = an_object;
+    }
+    return ret;
+  }
+  ST_txt_by_line_block_generic txt_by_line_block_block()(
+    char[]          line,
+    string[string]  an_object,
+    uint[string]    pith,
+  ) {
+    static auto rgx = RgxI();
+    if (pith["block_is"] == eN.blk_is.block) {
+      if (pith["block_delim"] == eN.blk_delim.curly) {
+        if (line.matchFirst(rgx.block_curly_block_close)) {
+          debug(block) { writeln(line); }
+          an_object[an_object_key]    = an_object[an_object_key].stripRight;
+          pith["block_is"]            = eN.blk_is.block;
+          pith["block_state"]         = eN.blk_state.closing;
+          pith["block_delim"]         = eN.blk_delim.off;
+        } else {
+          debug(block) { writeln(line); }
+          an_object[an_object_key] ~= line ~= "\n";
+        }
+      } else if (pith["block_delim"] == eN.blk_delim.tic) {
+        if (line.matchFirst(rgx.block_tic_close)) {
+          debug(block) { writeln(line); }
+          an_object[an_object_key]    = an_object[an_object_key].stripRight;
+          pith["block_is"]            = eN.blk_is.block;
+          pith["block_state"]         = eN.blk_state.closing;
+          pith["block_delim"]         = eN.blk_delim.off;
+        } else {
+          debug(block) { writeln(line); }
+          an_object[an_object_key] ~= line ~= "\n";
+        }
+      }
+    }
+    ST_txt_by_line_block_generic ret;
+    {
+      ret.pith        = pith;
+      ret.this_object = an_object;
+    }
+    return ret;
+  }
+  ST_txt_by_line_block_poem txt_by_line_block_poem(CMM)(
+    char[]          line,
+    string[string]  an_object,
+    uint[string]    pith,
+    int             cntr,
+    string[string]  object_number_poem,
+    CMM             conf_make_meta,
+    string[string]  tag_in_seg,
+  ) {
+    static auto rgx = RgxI();
+    if (pith["block_is"] == eN.blk_is.poem) {
+      if (pith["block_delim"] == eN.blk_delim.curly) {
+        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) { writeln( obj_cite_digits.object_number, an_object[an_object_key]); }
+              an_object["is"]                                   = "verse";
+              ST_txtAndAnchorTagPlusHasFootnotesUrlsImages substantive_obj_misc_struct
+                = 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_struct.obj_txt;
+              anchor_tag                                        = substantive_obj_misc_struct.anchor_tag;
+              comp_obj_                                         = set_object_generic("body", "body", "block", "verse", an_object["substantive"], obj_cite_digits.object_number);
+              comp_obj_.metainfo.identifier                     = obj_cite_digits.identifier;
+              comp_obj_.metainfo.object_number_off              = obj_cite_digits.off;
+              comp_obj_.metainfo.o_n_book_index                 = obj_cite_digits.bkidx;
+              comp_obj_.metainfo.object_number_type             = obj_cite_digits.type;
+              comp_obj_.tags.html_segment_anchor_tag_is         = tag_in_seg["seg_lv4"];
+              comp_obj_.tags.epub_segment_anchor_tag_is         = tag_in_seg["seg_lv1to4"];
+              comp_obj_.has.inline_notes_reg                    = substantive_obj_misc_struct.has_notes_reg;
+              comp_obj_.has.inline_notes_star                   = substantive_obj_misc_struct.has_notes_star;
+              comp_obj_.has.inline_links                        = substantive_obj_misc_struct.has_links;
+              the_document_body_section                         ~= comp_obj_;
+              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;
+          pith["block_is"]            = eN.blk_is.poem;
+          pith["block_state"]         = eN.blk_state.closing;
+          pith["block_delim"]         = eN.blk_delim.off;
+        } else {
+          processing["verse"] ~= line ~= "\n";
+          if (pith["verse_new"] == eN.bi.on) {
+            obj_cite_digits = ocn_emit(pith["ocn"]);
+            pith["verse_new"]         = eN.bi.off;
+          } else if (line.matchFirst(rgx.newline_eol_delimiter_only)) {
+            processing["verse"]       = processing["verse"].stripRight;
+            verse_line                = eN.bi.off;
+            pith["verse_new"]         = eN.bi.on;
+          }
+          if (pith["verse_new"] == eN.bi.on) {
+            verse_line = 1;
+            an_object[an_object_key]  = processing["verse"];
+            debug(poem) { 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"]
+            );
+            ST_txtAndAnchorTagPlusHasFootnotesUrlsImages substantive_obj_misc_struct
+              = 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_struct.obj_txt;
+            anchor_tag                                          = substantive_obj_misc_struct.anchor_tag;
+            comp_obj_                                           = set_object_generic("body", "body", "block", "verse", an_object["substantive"], obj_cite_digits.object_number);
+            comp_obj_.metainfo.identifier                       = obj_cite_digits.identifier;
+            comp_obj_.metainfo.object_number_off                = obj_cite_digits.off;
+            comp_obj_.metainfo.o_n_book_index                   = obj_cite_digits.bkidx;
+            comp_obj_.metainfo.object_number_type               = obj_cite_digits.type;
+            comp_obj_.tags.html_segment_anchor_tag_is           = tag_in_seg["seg_lv4"];
+            comp_obj_.tags.epub_segment_anchor_tag_is           = tag_in_seg["seg_lv1to4"];
+            comp_obj_.has.inline_notes_reg                      = substantive_obj_misc_struct.has_notes_reg;
+            comp_obj_.has.inline_notes_star                     = substantive_obj_misc_struct.has_notes_star;
+            comp_obj_.has.inline_links                          = substantive_obj_misc_struct.has_links;
+            the_document_body_section                           ~= comp_obj_;
+            tag_assoc                                           = an_object.inline_para_link_anchor(tag_in_seg, tag_assoc);
+            object_reset(an_object);
+            processing.remove("verse");
+            ++cntr;
+          }
+        }
+      } else if (pith["block_delim"] == eN.blk_delim.tic) {
+        if (auto m = line.matchFirst(rgx.block_tic_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) { writeln(__LINE__); writeln(obj_cite_digits.object_number, line); }
+            processing.remove("verse");
+            an_object["is"]                                     = "verse";
+            ST_txtAndAnchorTagPlusHasFootnotesUrlsImages substantive_obj_misc_struct
+              = 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_struct.obj_txt;
+            anchor_tag                                          = substantive_obj_misc_struct.anchor_tag;
+            comp_obj_                                           = set_object_generic("body", "body", "block", "verse", an_object["substantive"], obj_cite_digits.object_number);
+            comp_obj_.metainfo.identifier                       = obj_cite_digits.identifier;
+            comp_obj_.metainfo.object_number_off                = obj_cite_digits.off;
+            comp_obj_.metainfo.o_n_book_index                   = obj_cite_digits.bkidx;
+            comp_obj_.metainfo.object_number_type               = obj_cite_digits.type;
+            comp_obj_.tags.html_segment_anchor_tag_is           = tag_in_seg["seg_lv4"];
+            comp_obj_.tags.epub_segment_anchor_tag_is           = tag_in_seg["seg_lv1to4"];
+            comp_obj_.has.inline_notes_reg                      = substantive_obj_misc_struct.has_notes_reg;
+            comp_obj_.has.inline_notes_star                     = substantive_obj_misc_struct.has_notes_star;
+            comp_obj_.has.inline_links                          = substantive_obj_misc_struct.has_links;
+            the_document_body_section                           ~= comp_obj_;
+            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;
+          }
+          pith["block_is"]            = eN.blk_is.poem;
+          pith["block_state"]         = eN.blk_state.closing;
+          pith["block_delim"]         = eN.blk_delim.off;
+        } else {
+          processing["verse"]         ~= line ~= "\n";
+          if (pith["verse_new"] == eN.bi.on) {
+            obj_cite_digits           = ocn_emit(pith["ocn"]);
+            pith["verse_new"]         = eN.bi.off;
+          } else if (line.matchFirst(rgx.newline_eol_delimiter_only)) {
+            processing["verse"]       = processing["verse"].stripRight;
+            pith["verse_new"]         = eN.bi.on;
+            verse_line                = eN.bi.off;
+          }
+          if (pith["verse_new"] == eN.bi.on) {
+            verse_line = 1;
+            an_object[an_object_key]  = processing["verse"];
+            debug(poem) { 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"]
+              );
+            ST_txtAndAnchorTagPlusHasFootnotesUrlsImages substantive_obj_misc_struct
+              = 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_struct.obj_txt;
+            anchor_tag                                          = substantive_obj_misc_struct.anchor_tag;
+            comp_obj_                                           = set_object_generic("body", "body", "block", "verse", an_object["substantive"], obj_cite_digits.object_number);
+            comp_obj_.metainfo.identifier                       = obj_cite_digits.identifier;
+            comp_obj_.metainfo.object_number_off                = obj_cite_digits.off;
+            comp_obj_.metainfo.o_n_book_index                   = obj_cite_digits.bkidx;
+            comp_obj_.metainfo.object_number_type               = obj_cite_digits.type;
+            comp_obj_.tags.html_segment_anchor_tag_is           = tag_in_seg["seg_lv4"];
+            comp_obj_.tags.epub_segment_anchor_tag_is           = tag_in_seg["seg_lv1to4"];
+            comp_obj_.has.inline_notes_reg                      = substantive_obj_misc_struct.has_notes_reg;
+            comp_obj_.has.inline_notes_star                     = substantive_obj_misc_struct.has_notes_star;
+            comp_obj_.has.inline_links                          = substantive_obj_misc_struct.has_links;
+            the_document_body_section                           ~= comp_obj_;
+            tag_assoc                                           = an_object.inline_para_link_anchor(tag_in_seg, tag_assoc);
+            object_reset(an_object);
+            processing.remove("verse");
+            ++cntr;
+          }
+        }
+      }
+    }
+    ST_txt_by_line_block_poem ret;
+    {
+      ret.cntr        = cntr;
+      ret.pith        = pith;
+      ret.this_object = an_object;
+    }
+    return ret;
+  }
+  ST_txt_by_line_block_generic txt_by_line_block_code()(
+    char[]          line,
+    string[string]  an_object,
+    uint[string]    pith,
+  ) {
+    static auto rgx = RgxI();
+    if ( pith["block_is"] == eN.blk_is.code) {
+      if (pith["block_delim"] == eN.blk_delim.curly) {
+        if (line.matchFirst(rgx.block_curly_code_close)) {
+          debug(codecurly) { writeln(line); }
+          an_object[an_object_key] = an_object[an_object_key]
+            .replaceFirst(rgx.newline_eol_delimiter_only, "")
+            .stripRight;
+          pith["block_is"]            = eN.blk_is.code;
+          pith["block_state"]         = eN.blk_state.closing;
+          pith["block_delim"]         = eN.blk_delim.off;
+        } else {
+          debug(codecurly) { writeln(line); }
+          an_object[an_object_key] ~= line ~= "\n";
+        }
+      } else if (pith["block_delim"] == eN.blk_delim.tic) {
+        if (line.matchFirst(rgx.block_tic_close)) {
+          debug(codetic) { writeln(line); }
+          an_object[an_object_key] = an_object[an_object_key]
+            .replaceFirst(rgx.newline_eol_delimiter_only, "")
+            .stripRight;
+          pith["block_is"]            = eN.blk_is.code;
+          pith["block_state"]         = eN.blk_state.closing;
+          pith["block_delim"]         = eN.blk_delim.off;
+        } else {
+          debug(codetic) { writeln(line); }
+          an_object[an_object_key] ~= line ~= "\n";
+        }
+      }
+    }
+    ST_txt_by_line_block_generic ret;
+    {
+      ret.pith        = pith;
+      ret.this_object = an_object;
+    }
+    return ret;
+  }
+  @system auto txt_by_line_block_table(CMM)(
+    char[]          line,
+    string[string]  an_object,
+    uint[string]    pith,
+    CMM             conf_make_meta,
+  ) {
+    static auto rgx = RgxI();
+    if (pith["block_is"] == eN.blk_is.table) {
+      if (pith["block_delim"] == eN.blk_delim.curly) {
+        if (line.matchFirst(rgx.block_curly_table_close)) {
+          debug(table) { writeln(line); }
+          pith["block_is"]            = eN.blk_is.table;
+          pith["block_state"]         = eN.blk_state.closing;
+          pith["block_delim"]         = eN.blk_delim.off;
+        } else {
+          debug(table) { writeln(line); }
+          an_object[an_object_key] ~= line ~= "\n";
+        }
+      } else if (pith["block_delim"] == eN.blk_delim.curly_special) {
+        if (line.empty) {
+          pith["block_is"]            = eN.blk_is.table;
+          pith["block_state"]         = eN.blk_state.off;
+          pith["block_delim"]         = eN.blk_delim.off;
+          {
+            auto _get = line.flow_table_closed_make_special_notation_table_(
+              an_object,
+              the_document_body_section,
+              obj_cite_digits,
+              comp_obj_,
+              cntr,
+              pith,
+              conf_make_meta,
+            );
+            {
+              an_object                 = _get.this_object;
+              the_document_body_section = _get.the_document_body_section;
+              obj_cite_digits           = _get.obj_cite_digits;
+              comp_obj_                 = _get.comp_obj_;
+              cntr                      = _get.cntr;
+              pith                      = _get.pith;
+            }
+          }
+        } else {
+          debug(table) { writeln(line); }
+          an_object[an_object_key] ~= line ~= "\n";
+        }
+      } else if (pith["block_delim"] == eN.blk_delim.tic) {
+        if (line.matchFirst(rgx.block_tic_close)) {
+          debug(table) { writeln(line); }
+          pith["block_is"]            = eN.blk_is.table;
+          pith["block_state"]         = eN.blk_state.closing;
+          pith["block_delim"]         = eN.blk_delim.off;
+        } else {
+          debug(table) { writeln(line); }
+          an_object[an_object_key] ~= line ~= "\n";
+        }
+      }
+    }
+    struct ST_txt_by_line_block_table {
+      CMM             conf_make_meta;
+      uint[string]    pith;
+      string[string]  this_object;
+    }
+    ST_txt_by_line_block_table ret;
+    {
+      ret.conf_make_meta = conf_make_meta,
+      ret.pith           = pith;
+      ret.this_object    = an_object;
+    }
+    return ret;
+  }
+  ST_txt_by_line_block_generic txt_by_line_block_quote()(
+    char[]          line,
+    string[string]  an_object,
+    uint[string]    pith,
+  ) {
+    static auto rgx = RgxI();
+    if (pith["block_is"] == eN.blk_is.quote){
+      if (pith["block_delim"] == eN.blk_delim.curly) {
+        if (line.matchFirst(rgx.block_curly_quote_close)) {
+          debug(quote) { writeln(line); }
+          an_object[an_object_key]    = an_object[an_object_key].stripRight;
+          pith["block_is"]            = eN.blk_is.quote;
+          pith["block_state"]         = eN.blk_state.closing;
+          pith["block_delim"]         = eN.blk_delim.off;
+        } else {
+          debug(quote) { writeln(line); }
+          an_object[an_object_key] ~= line ~= "\n";
+        }
+      } else if (pith["block_delim"] == eN.blk_delim.tic) {
+        if (line.matchFirst(rgx.block_tic_close)) {
+          debug(quote) { writeln(line); }
+          an_object[an_object_key]    = an_object[an_object_key].stripRight;
+          pith["block_is"]            = eN.blk_is.quote;
+          pith["block_state"]         = eN.blk_state.closing;
+          pith["block_delim"]         = eN.blk_delim.off;
+        } else {
+          debug(quote) { writeln(line); }
+          an_object[an_object_key] ~= line ~= "\n";
+        }
+      }
+    }
+    ST_txt_by_line_block_generic ret;
+    {
+      ret.pith        = pith;
+      ret.this_object = an_object;
+    }
+    return ret;
+  }
+  @system ST_txt_by_line_block_biblio txt_by_line_block_biblio(
+    char[]                  line,
+    uint[string] pith,
+    int          bib_entry,
+    string       biblio_entry_str_json,
+    string[]     biblio_arr_json,
+  ) {
+    mixin spineBiblio;
+    auto jsn = BibJsnStr();
+    static auto rgx = RgxI();
+    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];
+    }
+    if (line.matchFirst(rgx.heading_biblio)) {
+      pith["section"] = eN.sect.bibliography;
+    }
+    if (line.empty) {
+      debug {
+        debug(biblioblock) { writeln("---"); }
+        debug(biblioblockinclude) { writeln(biblio_entry_str_json.length); }
+      }
+      if ((bib_entry == eN.bi.off)
+      && (biblio_entry_str_json.empty)) {
+        bib_entry = eN.bi.on;
+        biblio_entry_str_json = jsn.biblio_entry_tags_jsonstr;
+      } else if (!(biblio_entry_str_json.empty)) {
+        bib_entry = eN.bi.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 {
+        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 = eN.bi.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        = "";
+    }
+    ST_txt_by_line_block_biblio ret;
+    {
+      ret.pith                  = pith;
+      ret.bib_entry             = bib_entry;
+      ret.biblio_entry_str_json = biblio_entry_str_json;
+      ret.biblio_arr_json       = biblio_arr_json;
+    }
+    return ret;
+  }
+  // ↑ - text by line
+  // ↓ - para
+  string[string][string] inline_para_link_anchor()(
+    string[string]          an_object,
+    string[string]          tag_in_seg,
+    string[string][string]  tag_assoc
+  ) {
+    static auto rgx = RgxI();
+    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_lv1to4"] = tag_in_seg["seg_lv1to4"];
+      } else {
+        writeln("a tag named  already exists, check text line\n    ", an_object["substantive"]);
+      }
+    }
+    return tag_assoc;
+  }
+  ST_flow_para_match flow_para_match_()(
+    char[]         line,
+    string[string]  an_object,
+    string          an_object_key,
+    int[string]     indent,
+    bool            bullet,
+    uint[string]    pith,
+    int[string]     line_occur,
+  ) {
+    static auto rgx = RgxI();
+    if (line_occur["para"] == eN.bi.off) {
+      line = font_faces_line(line);
+      // para matches
+      pith["txt_is"]           = eN.txt_is.para;
+      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"];
+    }
+    ST_flow_para_match ret;
+    {
+      ret.pith            = pith;
+      ret.this_object     = an_object;
+      ret.this_object_key = an_object_key;
+      ret.indent          = indent;
+      ret.bullet          = bullet;
+      ret.line_occur      = line_occur;
+    }
+    return ret;
+  }
+  // ↑ - para
+  // ↓ - heading
+  ST_flow_heading_found flow_heading_found_()(
+    char[]                line,
+    string[string]        heading_match_str,
+    string[]              _make_unmarked_headings,
+    Regex!(char)[string]  heading_match_rgx,
+    uint[string]          pith,
+  ) {
+    static auto rgx = RgxI();
+    if ((_make_unmarked_headings.length > 2)
+    && (pith["make_headings"] == eN.bi.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;
+      }
+      pith["make_headings"] = eN.bi.on;
+    }
+    ST_flow_heading_found ret;
+    {
+      ret.heading_match_str = heading_match_str;
+      ret.heading_match_rgx = heading_match_rgx;
+      ret.pith              = pith;
+    }
+    return ret;
+  }
+  ST_flow_heading_make_set flow_heading_make_set_()(
+               char[]                line,
+               int[string]           line_occur,
+    return ref Regex!(char)[string]  heading_match_rgx,
+    return ref uint[string]          pith,
+  ) {
+    if (pith["make_headings"] == eN.bi.on
+      && (line_occur["para"] == eN.bi.off
+      && line_occur["heading"] == eN.bi.off)
+      && pith["txt_is"] == eN.txt_is.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); }
+      }
+    }
+    ST_flow_heading_make_set ret;
+    {
+      ret.line           = line;
+      ret.pith           = pith;
+      ret.this_object    = an_object;
+    }
+    return ret;
+  }
+  auto flow_heading_matched_(CMM)(
+    char[]          line,
+    string[string]  an_object,
+    int[string]     line_occur,
+    string          an_object_key,
+    int[string]     lv,
+    int[string]     collapsed_lev,
+    uint[string]    pith,
+    CMM             conf_make_meta,
+  ) {
+    static auto rgx = RgxI();
+    static auto mkup = InlineMarkup();
+    if (auto m = line.match(rgx.headings)) {                                      // heading match
+      ++line_occur["heading"];
+      pith["txt_is"]           = eN.txt_is.heading;
+      if (line.match(rgx.heading_seg_and_above)) {
+        pith["section"]        = eN.sect.unset;
+      }
+      an_object[an_object_key] ~= line ~= "\n";
+      an_object["lev"] ~= m.captures[1];
+      assertions_doc_structure(an_object, an_object_key, 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_author_date))
+        || (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].match(rgx.variable_doc_date))) {
+          an_object[an_object_key] = an_object[an_object_key]
+            .replaceFirst(rgx.variable_doc_title_author_date,
+              (conf_make_meta.meta.title_full
+              ~ mkup.br_line_inline
+              ~ conf_make_meta.meta.creator_author
+              ~ " (" ~ (conf_make_meta.meta.date_published.replaceFirst(regex(r"(?:-00)+"),"")) ~ ")"))
+            .replaceFirst(rgx.variable_doc_title,
+              (conf_make_meta.meta.title_full ~ mkup.br_line_inline))
+            .replaceFirst(rgx.variable_doc_author,
+              conf_make_meta.meta.creator_author)
+            .replaceFirst(rgx.variable_doc_date,
+              " (" ~ (conf_make_meta.meta.date_published.replaceFirst(regex(r"(?:-00)+"),"")) ~ ")");
+        } else if ((an_object[an_object_key].match(rgx.variable_doc_title_author))
+        || (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_author_date,
+              (conf_make_meta.meta.title_full
+              ~ mkup.br_line_inline
+              ~ conf_make_meta.meta.creator_author))
+            .replaceFirst(rgx.variable_doc_title,
+              (conf_make_meta.meta.title_full ~ mkup.br_line_inline))
+            .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"] = eN.bi.off;
+        lv["h2"] = eN.bi.off;
+        lv["h3"] = eN.bi.off;
+        lv["h4"] = eN.bi.off;
+        lv["h5"] = eN.bi.off;
+        lv["h6"] = eN.bi.off;
+        lv["h7"] = eN.bi.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"] = eN.bi.off;
+        lv["h3"] = eN.bi.off;
+        lv["h4"] = eN.bi.off;
+        lv["h5"] = eN.bi.off;
+        lv["h6"] = eN.bi.off;
+        lv["h7"] = eN.bi.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"] = eN.bi.off;
+        lv["h4"] = eN.bi.off;
+        lv["h5"] = eN.bi.off;
+        lv["h6"] = eN.bi.off;
+        lv["h7"] = eN.bi.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"] = eN.bi.off;
+        lv["h5"] = eN.bi.off;
+        lv["h6"] = eN.bi.off;
+        lv["h7"] = eN.bi.off;
+        goto default;
+      case "1":
+        if (lv["h3"] > eN.bi.off) {
+          collapsed_lev["h4"] = collapsed_lev["h3"] + 1;
+        } else if (lv["h2"] > eN.bi.off) {
+          collapsed_lev["h4"] = collapsed_lev["h2"] + 1;
+        } else if (lv["h1"] > eN.bi.off) {
+          collapsed_lev["h4"] = collapsed_lev["h1"] + 1;
+        } else if (lv["h0"] > eN.bi.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"] = eN.bi.off;
+        lv["h6"] = eN.bi.off;
+        lv["h7"] = eN.bi.off;
+        goto default;
+      case "2":
+        if (lv["h5"] > eN.bi.off) {
+          an_object["lev_collapsed_number"]
+            = collapsed_lev["h5"].to!string;
+        } else if (lv["h4"] > eN.bi.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"] = eN.bi.off;
+        lv["h7"] = eN.bi.off;
+        goto default;
+      case "3":
+        if (lv["h6"] > eN.bi.off) {
+          an_object["lev_collapsed_number"]
+            = collapsed_lev["h6"].to!string;
+        } else if (lv["h5"] > eN.bi.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"] = eN.bi.off;
+        goto default;
+      case "4":
+        if (lv["h7"] > eN.bi.off) {
+          an_object["lev_collapsed_number"]
+            = collapsed_lev["h7"].to!string;
+        } else if (lv["h6"] > eN.bi.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"] = (pith["dummy_heading_status"] == eN.bi.off) ? "f" : "t";
+      debug(heading) { writeln(line.strip); }
+    }
+    struct ST_flow_heading_matched {
+      string[string]  this_object;
+      int[string]     line_occur;
+      string          an_object_key;
+      int[string]     lv;
+      int[string]     collapsed_lev;
+      uint[string]    pith;
+      CMM             conf_make_meta;
+    }
+    ST_flow_heading_matched ret;
+    {
+      ret.this_object    = an_object;
+      ret.line_occur     = line_occur;
+      ret.an_object_key  = an_object_key;
+      ret.lv             = lv;
+      ret.collapsed_lev  = collapsed_lev;
+      ret.pith           = pith;
+      ret.conf_make_meta = conf_make_meta;
+    }
+    return ret;
+  }
+  // ↑ - heading
+  // ↓ - table
+  ObjGenericComposite flow_table_instructions(H)(
+    ObjGenericComposite  table_object,
+    H                    table_head,
+  ) {
+    static auto rgx = RgxI();
+    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;
+  }
+  ST_flow_table_array_munge flow_table_array_munge()(
+    ObjGenericComposite  table_object,
+    string[][]           table_array,
+  ) {
+    static auto rgx = RgxI();
+    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 && table_object.table.heading) {
+        } else if (col.match(rgx.numeric_col) && idx_r == 1) { // conditions reversed to avoid: gdc compiled program run segfault
+          if ((table_object.table.column_aligns.length > idx_c)
+          && (table_object.table.column_aligns[idx_c].matchFirst(rgx.table_col_align_match))) {
+            table_object.table.column_aligns[idx_c] = table_object.table.column_aligns[idx_c];
+          } else if (table_object.table.column_aligns.length > idx_c) {
+            table_object.table.column_aligns[idx_c] = "r";
+          } else {
+            table_object.table.column_aligns ~= "r";
+          }
+        } else if (idx_r == 1) {
+          if ((table_object.table.column_aligns.length > idx_c)
+          && (table_object.table.column_aligns[idx_c].matchFirst(rgx.table_col_align_match))) {
+            table_object.table.column_aligns[idx_c] = table_object.table.column_aligns[idx_c];
+          } else if (table_object.table.column_aligns.length > idx_c) {
+            table_object.table.column_aligns[idx_c] = "l";
+          } else {
+            table_object.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 (table_object.table.number_of_columns != col_num) {
+      if (table_object.table.number_of_columns == 0) {
+        table_object.table.number_of_columns = (col_num).to!int;
+      } else {
+        debug(table_dev) { writeln(table_object.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: ", table_object.table.column_aligns, "\n",
+        "no. of columns: ", table_object.table.number_of_columns, "\n",
+        "col widths: ", table_object.table.column_widths,
+          " sum: ", table_object.table.column_widths.sum, "\n",
+        _table_substantive);
+    }
+    table_object.text = _table_substantive;
+    ST_flow_table_array_munge ret;
+    {
+      ret.table_object      = table_object;
+      ret.table_array       = table_array;
+    }
+    return ret;
+  }
+  @system ST_flow_table_substantive_munge flow_table_substantive_munge()(
+    ObjGenericComposite  table_object,
+    string               table_substantive,
+  ) {
+    static auto rgx = RgxI();
+    static auto munge = ObjInlineMarkupMunge();
+    string[] _table_rows = (table_substantive).split(rgx.table_row_delimiter);
+    string[] _table_cols;
+    string[][] _table_array;
+    foreach(col; _table_rows) {
+      _table_cols = col.split(rgx.table_col_delimiter);
+      _table_array ~= _table_cols;
+    }
+    {
+      auto _get = table_object.flow_table_array_munge(_table_array);
+      {
+        table_object = _get.table_object;
+        _table_array = _get.table_array; // what do you do with this? how is this passed down?
+      }
+    }
+    ST_flow_table_substantive_munge ret;
+    {
+      ret.table_object      = table_object;
+      ret.table_substantive = table_substantive; // has anything been changed here?
+    }
+    return ret;
+  }
+  @system ST_flow_table_substantive_munge flow_table_substantive_munge_special()(
+    ObjGenericComposite  table_object,
+    string               table_substantive,
+  ) {
+    static auto rgx = RgxI();
+    static auto munge = ObjInlineMarkupMunge();
+    string[] _table_rows = (table_substantive).split(rgx.table_row_delimiter_special);
+    string[] _table_cols;
+    string[][] _table_array;
+    foreach(col; _table_rows) {
+      _table_cols = col.split(rgx.table_col_delimiter_special);
+      _table_array ~= _table_cols;
+    }
+    {
+      auto _get = table_object.flow_table_array_munge(_table_array);
+      {
+        table_object = _get.table_object;
+        _table_array = _get.table_array;
+      }
+    }
+    ST_flow_table_substantive_munge ret;
+    {
+      ret.table_object      = table_object;
+      ret.table_substantive = table_substantive;
+    }
+    return ret;
+  }
+  @system ST_flow_table_closed_make_special_notation_table flow_table_closed_make_special_notation_table_(CMM)(
+    char[]                line,
+    string[string]        an_object,
+    ObjGenericComposite[] the_document_body_section,
+    OCNset                obj_cite_digits,
+    ObjGenericComposite   comp_obj_,
+    int                   cntr,
+    uint[string]          pith,
+    CMM                   conf_make_meta
+  ) {
+    comp_obj_       = comp_obj_.init;
+    obj_cite_digits = ocn_emit(pith["ocn"]);
+    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";
+    ST_txtAndAnchorTagPlusHasFootnotesUrlsImages substantive_obj_misc_struct
+      = 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_struct.obj_txt;
+    comp_obj_.metainfo.ocn                                      = obj_cite_digits.object_number;
+    comp_obj_.metainfo.identifier                               = obj_cite_digits.identifier;
+    comp_obj_.metainfo.object_number_off                        = obj_cite_digits.off;
+    comp_obj_.tags.html_segment_anchor_tag_is                   = tag_in_seg["seg_lv4"];
+    comp_obj_.tags.epub_segment_anchor_tag_is                   = tag_in_seg["seg_lv1to4"];
+    comp_obj_.metainfo.o_n_book_index                           = obj_cite_digits.bkidx;
+    comp_obj_.metainfo.object_number_type                       = obj_cite_digits.type;
+    comp_obj_                                                   = comp_obj_.flow_table_instructions(an_object["table_head"]);
+    {
+      auto _get = comp_obj_.flow_table_substantive_munge_special(an_object["substantive"]);
+      {
+        comp_obj_           = _get.table_object;
+        an_object["substantive"] = _get.table_substantive;
+      }
+    }
+    the_document_body_section                                   ~= comp_obj_;
+    object_reset(an_object);
+    processing.remove("verse");
+    ++cntr;
+    ST_flow_table_closed_make_special_notation_table ret;
+    {
+      ret.this_object               = an_object;
+      ret.the_document_body_section = the_document_body_section;
+      ret.obj_cite_digits           = obj_cite_digits;
+      ret.comp_obj_                 = comp_obj_;
+      ret.cntr                      = cntr;
+      ret.pith                      = pith;
+    }
+    return ret;
+  }
+  // ↑ - table
+  
+  @system ST_flow_block_flag_line_empty flow_block_flag_line_empty_(B,CMM,Ts)(
+    char[]                   line,
+    string[string]           an_object,
+    B                        bookindex_extract_hash,
+    ObjGenericComposite[]    the_document_body_section,
+    string[][string][string] bookindex_unordered_hashes,
+    OCNset                   obj_cite_digits,
+    ObjGenericComposite      comp_obj_,
+    int                      cntr,
+    uint[string]             pith,
+    string[string]           object_number_poem,
+    CMM                      conf_make_meta,
+    Ts                       tag_in_seg,
+  ) {
+    assert(
+      line.empty,
+      "\nline should be empty:\n  \""
+      ~ line ~ "\""
+    );
+    assert(
+      (pith["block_state"] == eN.blk_state.closing),
+      "code block status: closed"
+    );
+    static auto rgx = RgxI();
+    if (pith["block_state"] == eN.blk_state.closing) {
+      if (pith["block_is"] == eN.blk_is.quote) {
+        obj_cite_digits = ocn_emit(pith["ocn"]);
+        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"]
+          );
+        ST_txtAndAnchorTagPlusHasFootnotesUrlsImages substantive_obj_misc_struct
+          = 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_struct.obj_txt;
+        anchor_tag                                              = substantive_obj_misc_struct.anchor_tag;
+        comp_obj_                                               = set_object_generic("body", "body", "block", "quote", an_object["substantive"], obj_cite_digits.object_number);
+        comp_obj_.metainfo.identifier                           = obj_cite_digits.identifier;
+        comp_obj_.metainfo.object_number_off                    = obj_cite_digits.off;
+        comp_obj_.metainfo.o_n_book_index                       = obj_cite_digits.bkidx;
+        comp_obj_.metainfo.object_number_type                   = obj_cite_digit_type;
+        comp_obj_.metainfo.lang                                 = an_object["lang"];
+        comp_obj_.metainfo.attrib                               = an_object["attrib"];
+        comp_obj_.tags.html_segment_anchor_tag_is               = tag_in_seg["seg_lv4"];
+        comp_obj_.tags.epub_segment_anchor_tag_is               = tag_in_seg["seg_lv1to4"];
+        comp_obj_.has.inline_notes_reg                          = substantive_obj_misc_struct.has_notes_reg;
+        comp_obj_.has.inline_notes_star                         = substantive_obj_misc_struct.has_notes_star;
+        comp_obj_.has.inline_links                              = substantive_obj_misc_struct.has_links;
+        the_document_body_section                               ~= comp_obj_;
+        tag_assoc                                               = an_object.inline_para_link_anchor(tag_in_seg, tag_assoc);
+        pith["block_is"]                                        = eN.blk_is.quote;
+        pith["block_state"]                                     = eN.blk_state.off;
+        pith["block_delim"]                                     = eN.blk_delim.off;
+        object_reset(an_object);
+        processing.remove("verse");
+        ++cntr;
+      } else if (pith["block_is"] == eN.blk_is.group) {
+        obj_cite_digits = ocn_emit(pith["ocn"]);
+        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"]
+          );
+        ST_txtAndAnchorTagPlusHasFootnotesUrlsImages substantive_obj_misc_struct
+          = 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_struct.obj_txt;
+        anchor_tag                                              = substantive_obj_misc_struct.anchor_tag;
+        comp_obj_                                               = set_object_generic("body", "body", "block", "group", an_object["substantive"], obj_cite_digits.object_number);
+        comp_obj_.metainfo.identifier                           = obj_cite_digits.identifier;
+        comp_obj_.metainfo.object_number_off                    = obj_cite_digits.off;
+        comp_obj_.metainfo.o_n_book_index                       = obj_cite_digits.bkidx;
+        comp_obj_.metainfo.object_number_type                   = obj_cite_digits.type;
+        comp_obj_.metainfo.lang                                 = an_object["lang"];
+        comp_obj_.metainfo.attrib                               = an_object["attrib"];
+        comp_obj_.tags.html_segment_anchor_tag_is               = tag_in_seg["seg_lv4"];
+        comp_obj_.tags.epub_segment_anchor_tag_is               = tag_in_seg["seg_lv1to4"];
+        comp_obj_.has.inline_notes_reg                          = substantive_obj_misc_struct.has_notes_reg;
+        comp_obj_.has.inline_notes_star                         = substantive_obj_misc_struct.has_notes_star;
+        comp_obj_.has.inline_links                              = substantive_obj_misc_struct.has_links;
+        the_document_body_section                               ~= comp_obj_;
+        tag_assoc                                               = an_object.inline_para_link_anchor(tag_in_seg, tag_assoc);
+        pith["block_is"]                                        = eN.blk_is.poem;
+        pith["block_state"]                                     = eN.blk_state.off;
+        pith["block_delim"]                                     = eN.blk_delim.off;
+        object_reset(an_object);
+        processing.remove("verse");
+        ++cntr;
+      } else if (pith["block_is"] == eN.blk_is.block) {
+        obj_cite_digits = ocn_emit(pith["ocn"]);
+        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"]
+          );
+        ST_txtAndAnchorTagPlusHasFootnotesUrlsImages substantive_obj_misc_struct
+          = 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_struct.obj_txt;
+        // anchor_tag                                           = substantive_obj_misc_struct.anchor_tag; // check
+        comp_obj_                                               = set_object_generic("body", "body", "block", "block", an_object["substantive"], obj_cite_digits.object_number);
+        comp_obj_.metainfo.identifier                           = obj_cite_digits.identifier;
+        comp_obj_.metainfo.object_number_off                    = obj_cite_digits.off;
+        comp_obj_.metainfo.o_n_book_index                       = obj_cite_digits.bkidx;
+        comp_obj_.metainfo.object_number_type                   = obj_cite_digit_type;
+        comp_obj_.metainfo.lang                                 = an_object["lang"];
+        comp_obj_.metainfo.attrib                               = an_object["attrib"];
+        comp_obj_.tags.html_segment_anchor_tag_is               = tag_in_seg["seg_lv4"];
+        comp_obj_.tags.epub_segment_anchor_tag_is               = tag_in_seg["seg_lv1to4"];
+        comp_obj_.has.inline_notes_reg                          = substantive_obj_misc_struct.has_notes_reg;
+        comp_obj_.has.inline_notes_star                         = substantive_obj_misc_struct.has_notes_star;
+        comp_obj_.has.inline_links                              = substantive_obj_misc_struct.has_links;
+        the_document_body_section                               ~= comp_obj_;
+        pith["block_is"]                                        = eN.blk_is.block;
+        pith["block_state"]                                     = eN.blk_state.off;
+        pith["block_delim"]                                     = eN.blk_delim.off;
+        object_reset(an_object);
+        processing.remove("verse");
+        ++cntr;
+      } else if (pith["block_is"] == eN.blk_is.poem) {
+        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                                       = set_object_generic("body", "body", "block", "poem", "", 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;
+        the_document_body_section                               ~= comp_obj_poem_ocn;
+        pith["block_is"]                                        = eN.blk_is.poem;
+        pith["block_state"]                                     = eN.blk_state.off;
+        pith["block_delim"]                                     = eN.blk_delim.off;
+        object_reset(an_object);
+        processing.remove("verse");
+      } else if (pith["block_is"] == eN.blk_is.code) {
+        obj_cite_digits = ocn_emit(pith["ocn"]);
+        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"]
+          );
+        ST_txtAndAnchorTagPlusHasFootnotesUrlsImages substantive_obj_misc_struct
+          = 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_struct.obj_txt;
+        anchor_tag                                              = substantive_obj_misc_struct.anchor_tag;
+        comp_obj_                                               = set_object_generic("body", "body", "block", "code", an_object["substantive"], obj_cite_digits.object_number);
+        comp_obj_.metainfo.identifier                           = obj_cite_digits.identifier;
+        comp_obj_.metainfo.object_number_off                    = obj_cite_digits.off;
+        comp_obj_.metainfo.o_n_book_index                       = obj_cite_digits.bkidx;
+        comp_obj_.metainfo.object_number_type                   = obj_cite_digits.type;
+        comp_obj_.metainfo.syntax                               = an_object["syntax"];
+        comp_obj_.metainfo.attrib                               = an_object["attrib"];
+        comp_obj_.code_block.linenumbers                        = (an_object["attrib"].match(rgx.code_numbering)) ? true : false;
+        comp_obj_.tags.html_segment_anchor_tag_is               = tag_in_seg["seg_lv4"];
+        comp_obj_.tags.epub_segment_anchor_tag_is               = tag_in_seg["seg_lv1to4"];
+        comp_obj_.has.inline_notes_reg                          = substantive_obj_misc_struct.has_notes_reg;
+        comp_obj_.has.inline_notes_star                         = substantive_obj_misc_struct.has_notes_star;
+        comp_obj_.has.inline_links                              = substantive_obj_misc_struct.has_links;
+        the_document_body_section                               ~= comp_obj_;
+        pith["block_is"]                                        = eN.blk_is.code;
+        pith["block_state"]                                     = eN.blk_state.off;
+        pith["block_delim"]                                     = eN.blk_delim.off;
+        object_reset(an_object);
+        processing.remove("verse");
+        ++cntr;
+      } else if (pith["block_is"]    == eN.blk_is.table) {
+        comp_obj_ = comp_obj_.init;
+        obj_cite_digits = ocn_emit(pith["ocn"]);
+        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"]
+          );
+        ST_txtAndAnchorTagPlusHasFootnotesUrlsImages substantive_obj_misc_struct
+          = 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_struct.obj_txt;
+        comp_obj_                                               = comp_obj_.init;
+        comp_obj_.metainfo.ocn                                  = obj_cite_digits.object_number;
+        comp_obj_.metainfo.identifier                           = obj_cite_digits.identifier;
+        comp_obj_.metainfo.object_number_off                    = obj_cite_digits.off;
+        comp_obj_.tags.html_segment_anchor_tag_is               = tag_in_seg["seg_lv4"];
+        comp_obj_.tags.epub_segment_anchor_tag_is               = tag_in_seg["seg_lv1to4"];
+        comp_obj_.metainfo.o_n_book_index                       = obj_cite_digits.bkidx;
+        comp_obj_.metainfo.object_number_type                   = obj_cite_digits.type;
+        comp_obj_                                               = comp_obj_.flow_table_instructions(an_object["table_head"]);
+        {
+          auto _get = comp_obj_.flow_table_substantive_munge(an_object["substantive"]);
+          {
+            comp_obj_           = _get.table_object;
+            an_object["substantive"] = _get.table_substantive;
+          }
+        }
+        the_document_body_section                               ~= comp_obj_;
+        pith["block_is"]                                        = eN.blk_is.table;
+        pith["block_state"]                                     = eN.blk_state.off;
+        pith["block_delim"]                                     = eN.blk_delim.off;
+        object_reset(an_object);
+        processing.remove("verse");
+        ++cntr;
+      }
+    }
+    ST_flow_block_flag_line_empty ret;
+    {
+      ret.this_object                = an_object;
+      ret.the_document_body_section  = the_document_body_section;
+      ret.bookindex_unordered_hashes = bookindex_unordered_hashes;
+      ret.obj_cite_digits            = obj_cite_digits;
+      ret.comp_obj_                  = comp_obj_; //
+      ret.cntr                       = cntr;
+      ret.pith                       = pith;
+    }
+    return ret;
+  }
+  // ↓ - object set
+  ObjGenericComposite set_object_heading()(
+    string level,
+    string part,
+    string section,
+    string text,
+  ) {
+    ObjGenericComposite comp_obj;
+    {
+      comp_obj                                                = comp_obj.init;
+      comp_obj.metainfo.is_of_part                            = part;
+      comp_obj.metainfo.is_of_section                         = section;
+      comp_obj.metainfo.is_of_type                            = "para";
+      comp_obj.metainfo.is_a                                  = "heading";
+      comp_obj.text                                           = text;
+      comp_obj.metainfo.ocn                                   = 0;
+      if (level == "lev1") {
+        comp_obj.metainfo.heading_lev_markup                  = 1;
+        comp_obj.metainfo.heading_lev_collapsed               = 1;
+        comp_obj.metainfo.parent_ocn                          = 1;
+        comp_obj.metainfo.parent_lev_markup                   = 0;
+      } else if (level == "lev4") {
+        comp_obj.metainfo.heading_lev_markup                  = 4;
+        comp_obj.metainfo.heading_lev_collapsed               = 1;
+        comp_obj.metainfo.parent_ocn                          = 1;
+        comp_obj.metainfo.parent_lev_markup                   = 0;
+        comp_obj.metainfo.dom_structure_markedup_tags_status  = [ 1, 1, 0, 0, 1, 0, 0, 0];
+        comp_obj.metainfo.dom_structure_collapsed_tags_status = [ 1, 1, 1, 0, 0, 0, 0, 0];
+      }
+    }
+    return comp_obj;
+  }
+  ObjGenericComposite set_object_generic()(
+    string part,
+    string section,
+    string type,
+    string is_a,
+    string text,
+    int ocn,
+  ) {
+    ObjGenericComposite comp_obj;
+    {
+      comp_obj                                                = comp_obj.init;
+      comp_obj.metainfo.is_of_part                            = part;
+      comp_obj.metainfo.is_of_section                         = section;
+      comp_obj.metainfo.is_of_type                            = type;
+      comp_obj.metainfo.is_a                                  = is_a;
+      comp_obj.text                                           = text;
+      comp_obj.metainfo.ocn                                   = ocn;
+    }
+    return comp_obj;
+  }
+  // ↑ - object set
+  // ↓ - object inline munge
+  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 = RgxI();
+    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;
+    }
+    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;
+    }
+    ST_txtPlusHasFootnotes 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;
+      }
+      obj_txt_out = "";
+      if (obj_txt_in.match(rgx.inline_notes_al_gen)) {
+        string[] _tmp_txt;
+        foreach (x; obj_txt_in.split("\n")) {
+          if (auto m = x.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;
+                _tmp_txt ~= n.hit.to!string.replaceFirst(
+                  rgx.inline_al_delimiter_open_symbol_star,
+                  (mkup.en_a_o ~ replicate(asterisks_, n_foot_sp_asterisk) ~ " ")
+                );
+              } 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;
+                _tmp_txt ~= n.hit.to!string.replaceFirst(
+                  rgx.inline_al_delimiter_open_symbol_plus,
+                  (mkup.en_a_o ~ replicate(plus_, n_foot_sp_plus) ~ " ")
+                );
+              } else if (n.hit.to!string.matchFirst(rgx.inline_al_delimiter_open_regular)) {
+                string _tmp_str = n.hit.to!string;
+                flg_notes_reg =  true;
+                foreach (q; n.hit.to!string.matchAll(rgx.inline_al_delimiter_open_regular)) {
+                  ++n_foot_reg;
+                  n_foot = n_foot_reg;
+                  _tmp_str = replaceFirst!(m => mkup.en_a_o ~ n_foot.to!string ~ " ")
+                    (_tmp_str, rgx.inline_al_delimiter_open_regular);
+                }
+                _tmp_txt ~= _tmp_str;
+              } else {
+                _tmp_txt ~= n.hit.to!string;
+              }
+            }
+            obj_txt_out = _tmp_txt.join("\n");
+          }
+        }
+      } else {
+        obj_txt_out = obj_txt_in;
+      }
+      ST_txtPlusHasFootnotes ret;
+      {
+        ret.obj_txt            = obj_txt_out;
+        ret.has_notes_reg      = flg_notes_reg;
+        ret.has_notes_star     = flg_notes_star;
+        ret.has_notes_plus     = flg_notes_plus;
+      }
+      return ret;
+    }
+    private ST_txtPlusHasFootnotesUrlsImages 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┃");
+      }
+      ST_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); }
+      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);
+        }
+      }
+      ST_txtPlusHasFootnotesUrlsImages ret;
+      {
+        ret.obj_txt                       = obj_txt_out;
+        ret.has_notes_reg                 = ftn.has_notes_reg;
+        ret.has_notes_star                = ftn.has_notes_star;
+        ret.has_notes_plus                = ftn.has_notes_plus;
+        ret.has_urls                      = urls;
+        ret.has_images_without_dimensions = images_without_dimensions;
+      }
+      return ret;
+    }
+    private ST_txtPlusHasFootnotesUrlsImages object_only_()(
+      string obj_txt_in,
+      bool reset_note_numbers = false
+    ) {
+      ST_txtPlusHasFootnotesUrlsImages ret;
+      {
+        ret.obj_txt                       = obj_txt_in;
+        ret.has_notes_reg                 = false;
+        ret.has_notes_star                = false;
+        ret.has_notes_plus                = false;
+        ret.has_urls                      = false;
+        ret.has_images_without_dimensions = false;
+      }
+      return ret;
+    }
+    ST_txtPlusHasFootnotesUrlsImages init() {
+      ST_txtPlusHasFootnotesUrlsImages ret = object_notes_and_links_("");
+      return ret;
+    }
+    invariant() {
+    }
+    ST_txtPlusHasFootnotesUrlsImages munge_heading()(
+      string obj_txt_in,
+      bool reset_note_numbers = false
+    ) {
+      obj_txt["munge"] = obj_txt_in
+       .replaceFirst(rgx.headings, "")
+       .replaceFirst(rgx.object_number_off_all, "")
+       .replaceFirst(rgx.markup_inline_linebreak, mkup.br_line_inline)
+       .strip;
+      ST_txtPlusHasFootnotesUrlsImages ret = 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 ret;
+    }
+    invariant() {
+    }
+    ST_txtPlusHasFootnotesUrlsImages munge_para()(string obj_txt_in) {
+      obj_txt["munge"] = (obj_txt_in)
+        .replaceFirst(rgx.para_attribs, "")
+        .replaceFirst(rgx.object_number_off_all, "")
+        .replaceFirst(rgx.markup_inline_linebreak, mkup.br_line_inline);
+      ST_txtPlusHasFootnotesUrlsImages ret = object_notes_and_links_(obj_txt["munge"]);
+      debug(munge) { writeln(__LINE__); writeln(obj_txt_in);
+        writeln(__LINE__);
+        writeln(obj_txt["munge"].to!string);
+      }
+      return ret;
+    }
+    ST_txtPlusHasFootnotesUrlsImages munge_quote()(string obj_txt_in) {
+      ST_txtPlusHasFootnotesUrlsImages ret = object_notes_and_links_(obj_txt_in.split("\n\n").join(" \\\\\n \\\\\n"));
+      return ret;
+    }
+    invariant() {
+    }
+    ST_txtPlusHasFootnotesUrlsImages munge_group(string obj_txt_in) {
+      ST_txtPlusHasFootnotesUrlsImages ret = object_notes_and_links_(obj_txt_in.split("\n\n").join("\n" ~ mkup.br_line_spaced ~ "\n"));
+      return ret;
+    }
+    invariant() {
+    }
+    ST_txtPlusHasFootnotesUrlsImages munge_block()(string obj_txt_in) {
+      ST_txtPlusHasFootnotesUrlsImages ret = object_notes_and_links_(obj_txt_in);
+      return ret;
+    }
+    invariant() {
+    }
+    auto munge_verse()(string obj_txt_in) {
+      ST_txtPlusHasFootnotesUrlsImages ret = object_notes_and_links_(obj_txt_in);
+      return ret;
+    }
+    invariant() {
+    }
+    ST_txtPlusHasFootnotesUrlsImages munge_code()(string obj_txt_in) {
+      obj_txt_in = obj_txt_in.replaceAll(rgx.space, mkup.nbsp);
+      ST_txtPlusHasFootnotesUrlsImages ret = object_only_(obj_txt_in);
+      return ret;
+    }
+    invariant() {
+    }
+    ST_txtPlusHasFootnotesUrlsImages munge_table()(string obj_txt_in) {
+      ST_txtPlusHasFootnotesUrlsImages ret = object_notes_and_links_(obj_txt_in);
+      return ret;
+    }
+    invariant() {
+    }
+    ST_txtPlusHasFootnotesUrlsImages munge_comment()(string obj_txt_in) {
+      ST_txtPlusHasFootnotesUrlsImages ret = object_only_(obj_txt_in);
+      return ret;
+    }
+    invariant() {
+    }
+  }
+  // ↑ - object inline munge
+  // ↓ - object inline markup
+  static struct ObjInlineMarkup {
+    static auto rgx = RgxI();
+    static auto munge = ObjInlineMarkupMunge();
+    string[string] obj_txt;
+    string anchor_tag = "";
+    ST_txtAndAnchorTagPlusHasFootnotesUrlsImages 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;
+      ST_txtAndAnchorTagPlusHasFootnotesUrlsImages ret;
+      ret.obj_txt                       = "";
+      ret.anchor_tag                    = "";
+      ret.has_notes_reg                 = false;
+      ret.has_notes_star                = false;
+      ret.has_notes_plus                = false;
+      ret.has_links                     = false;
+      ret.has_images_without_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 "quote":
+        x                                             = munge.munge_quote(obj_txt["munge"]);
+        goto default;
+      case "verse":
+        x                                             = munge.munge_verse(obj_txt["munge"]);
+        goto default;
+      case "code":
+        x                                             = munge.munge_code(obj_txt["munge"]);
+        goto default;
+      case "table":
+        x                                             = munge.munge_table(obj_txt["munge"]);
+        goto default;
+      case "comment":
+        x                                             = munge.munge_comment(obj_txt["munge"]);
+        goto default;
+      case "doc_end_reset":
+        munge.initialize_note_numbers();
+        break;
+      default:
+        // para, heading, group, block, verse
+        ret.obj_txt                       = x.obj_txt;
+        ret.anchor_tag                    = anchor_tag;
+        ret.has_notes_reg                 = x.has_notes_reg;
+        ret.has_notes_star                = x.has_notes_star;
+        ret.has_notes_plus                = x.has_notes_plus;
+        ret.has_links                     = x.has_urls;
+        ret.has_images_without_dimensions = x.has_images_without_dimensions;
+        break;
+      }
+      anchor_tag = "";
+      return ret;
+    }
+    invariant() {
+    }
+    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_;
+    };
+    ST_flow_table_of_contents_gather_headings flow_table_of_contents_gather_headings(CMM)( //
+      string[string]         obj_,
+      CMM                    conf_make_meta,
+      string[string]         tag_in_seg,
+      string                 _anchor_tag,
+      string[][string]       lev4_subtoc,
+      ObjGenericComposite[]  the_document_toc_section,
+    ) {
+      ObjGenericComposite comp_obj_;
+      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("%s%s%s%s#%s%s",
+          mkup.lnk_o,
+          heading_toc_.strip,
+          mkup.lnk_c,
+          mkup.url_o,
+          _anchor_tag,
+          mkup.url_c,
+        );
+        toc_txt_= toc_txt_.links_and_images;
+        comp_obj_                                  = set_object_generic("frontmatter", "toc", "para", "toc", toc_txt_.to!string.strip, 0);
+        comp_obj_.metainfo.identifier              = "";
+        comp_obj_.metainfo.object_number_off       = true;
+        comp_obj_.metainfo.object_number_type      = 0;
+        comp_obj_.metainfo.dummy_heading           = (an_object["dummy_heading_status"] == "t") ? true: false;
+        comp_obj_.attrib.indent_hang               = indent["hang_position"];
+        comp_obj_.attrib.indent_base               = indent["base_position"];
+        comp_obj_.attrib.bullet                    = false;
+        comp_obj_.has.inline_links                 = true;
+        the_document_toc_section                   ~= comp_obj_;
+      }
+      comp_obj_                                    = comp_obj_.init;
+      comp_obj_.metainfo.is_of_part                = "frontmatter";
+      comp_obj_.metainfo.is_of_section             = "toc";
+      comp_obj_.metainfo.is_of_type                = "para";
+      comp_obj_.metainfo.is_a                      = "toc";
+      comp_obj_.metainfo.ocn                       = 0;
+      comp_obj_.metainfo.identifier                = "";
+      comp_obj_.metainfo.object_number_off         = true;
+      comp_obj_.metainfo.object_number_type        = 0;
+      comp_obj_.metainfo.dummy_heading             = (an_object["dummy_heading_status"] == "t") ? true: false;
+      comp_obj_.attrib.bullet                      = false;
+      comp_obj_.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("%s%s%s%s#%s%s",
+          mkup.lnk_o,
+          heading_toc_.strip,
+          mkup.lnk_c,
+          mkup.url_o,
+          _anchor_tag,
+          mkup.url_c,
+        );
+        lev4_subtoc[tag_in_seg["seg_lv4"]]
+        ~= links_and_images(obj_["lev_markup_number"]
+             ~ "~ " ~ subtoc_txt_.to!string.strip
+           );
+        break;
+      default:
+        break;
+      }
+      ST_flow_table_of_contents_gather_headings ret;
+      {
+        ret.the_document_toc_section = the_document_toc_section;
+        ret.lev4_subtoc              = lev4_subtoc;
+      }
+      return ret;
+    }
+    invariant() {
+    }
+  private:
+    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_;
+    }
+    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 (lev_ == "A") { // (_new_doc)
+          heading_num_lev1 = 0;
+        }
+        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"
+          heading_num_lev1 ++;
+          munge_ = munge_.replaceFirst(
+            rgx.heading_marker_missing_tag,
+            "$1~" ~ "x" ~ heading_num_lev1.to!string ~ " ");
+        }
+      }
+      return munge_;
+    }
+  }
+  // ↑ - object inline markup
+  // ↓ - object attributes
+  struct ObjAttributes {
+    string[string] _obj_attrib;
+    string obj_attributes()(
+      string              obj_is_,
+      string              obj_raw,
+      ObjGenericComposite comp_obj_,
+    ) {
+      scope(exit) {
+        destroy(obj_is_);
+        destroy(obj_raw);
+        destroy(comp_obj_);
+      }
+      _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_);
+      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() {
+    }
+    private:
+    string _obj_attributes;
+    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;
+    }
+    string txt_heading()(string obj_txt_in) {
+      _obj_attributes = " \"use\": \"content\","
+      ~ " \"of\": \"para\","
+      ~ " \"is\": \"heading\"";
+      return _obj_attributes;
+    }
+    invariant() {
+    }
+    string txt_para()(string obj_txt_in) {
+      _obj_attributes = " \"use\": \"content\","
+      ~ " \"of\": \"para\","
+      ~ " \"is\": \"para\"";
+      return _obj_attributes;
+    }
+    invariant() {
+    }
+    string txt_quote()(string obj_txt_in) {
+      _obj_attributes = " \"use\": \"content\","
+      ~ " \"of\": \"block\","
+      ~ " \"is\": \"quote\"";
+      return _obj_attributes;
+    }
+    invariant() {
+    }
+    string txt_group()(string obj_txt_in) {
+      _obj_attributes = " \"use\": \"content\","
+      ~ " \"of\": \"block\","
+      ~ " \"is\": \"group\"";
+      return _obj_attributes;
+    }
+    invariant() {
+    }
+    string txt_block()(string obj_txt_in) {
+      _obj_attributes = " \"use\": \"content\","
+      ~ " \"of\": \"block\","
+      ~ " \"is\": \"block\"";
+      return _obj_attributes;
+    }
+    invariant() {
+    }
+    string txt_verse()(string obj_txt_in) {
+      _obj_attributes = " \"use\": \"content\","
+      ~ " \"of\": \"block\","
+      ~ " \"is\": \"verse\"";
+      return _obj_attributes;
+    }
+    invariant() {
+    }
+    string txt_code()(string obj_txt_in) {
+      _obj_attributes = " \"use\": \"content\","
+      ~ " \"of\": \"block\","
+      ~ " \"is\": \"code\"";
+      return _obj_attributes;
+    }
+    invariant() {
+    }
+    string txt_table()(string obj_txt_in) {
+      _obj_attributes = " \"use\": \"content\","
+      ~ " \"of\": \"block\","
+      ~ " \"is\": \"table\"";
+      return _obj_attributes;
+    }
+    invariant() {
+    }
+    string txt_comment()(string obj_txt_in) {
+      _obj_attributes = " \"use\": \"comment\","
+      ~ " \"of\": \"comment\","
+      ~ " \"is\": \"comment\"";
+      return _obj_attributes;
+    }
+    invariant() {
+    }
+    string _set_additional_values_parse_as_json()(
+      string              _obj_attrib,
+      string              obj_is_,
+      ObjGenericComposite comp_obj_,
+    ) {
+      JSONValue oa_j = parseJSON(_obj_attrib);
+      assert(
+        (oa_j.type == JSON_TYPE.OBJECT)
+      );
+      if (obj_is_ == "heading") {
+        oa_j.object["object_number"]              = comp_obj_.metainfo.ocn;
+        oa_j.object["lev_markup_number"]          = comp_obj_.metainfo.heading_lev_markup;
+        oa_j.object["lev_collapsed_number"]       = comp_obj_.metainfo.heading_lev_collapsed;
+        oa_j.object["heading_ptr"]                = comp_obj_.ptr.heading;
+        oa_j.object["doc_object_ptr"]             = comp_obj_.ptr.doc_object;
+      }
+      oa_j.object["parent_object_number"]         = comp_obj_.metainfo.parent_ocn;
+      oa_j.object["parent_lev_markup_number"]     = comp_obj_.metainfo.parent_lev_markup;
+      _obj_attrib                                 = oa_j.toString();
+      return _obj_attrib;
+    }
+  }
+  // ↑ - object attributes
+  // ↓ - object tags
+  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;
+  }
+  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;
+  }
+  // ↑ - object tags
+  // ↓ - table of contents
+  @system ObjGenericComposite[] backmatter_gather_table_of_contents(
+    ObjGenericComposite[] the_document_endnotes_section,
+    ObjGenericComposite[] the_document_glossary_section,
+    ObjGenericComposite[] the_document_bibliography_section,
+    ObjGenericComposite[] the_document_bookindex_section,
+    ObjGenericComposite[] the_document_blurb_section,
+  ) {
+    ObjGenericComposite[] toc_section_backmatter;
+    string toc_txt_;
+    static auto mkup = InlineMarkup();
+    ObjGenericComposite   comp_obj_;
+    int[string] indent = [
+      "hang_position" : 1,
+      "base_position" : 1,
+    ];
+    comp_obj_                                          = set_object_generic("frontmatter", "toc", "para", "toc", "", 0);
+    comp_obj_.metainfo.identifier                      = "";
+    comp_obj_.metainfo.object_number_off               = true;
+    comp_obj_.metainfo.object_number_type              = 0;
+    comp_obj_.attrib.indent_hang                       = indent["hang_position"];
+    comp_obj_.attrib.indent_base                       = indent["base_position"];
+    comp_obj_.attrib.bullet                            = false;
+    if (the_document_endnotes_section.length > 1) {
+      toc_txt_ = format("%s%s%s%s#%s%s",
+        mkup.lnk_o,
+        "Endnotes",
+        mkup.lnk_c,
+        mkup.url_o,
+        "endnotes",
+        mkup.url_c,
+      );
+      toc_txt_= toc_txt_.links_and_images;
+      comp_obj_.text                                   = toc_txt_.to!string.strip;
+      comp_obj_.has.inline_links                       = true;
+      toc_section_backmatter                           ~= comp_obj_;
+    }
+    if (the_document_glossary_section.length > 1) {
+      toc_txt_ = format("%s%s%s%s#%s%s",
+        mkup.lnk_o,
+        "Glossary",
+        mkup.lnk_c,
+        mkup.url_o,
+        "glossary",
+        mkup.url_c,
+      );
+      toc_txt_= toc_txt_.links_and_images;
+      comp_obj_.text                                   = toc_txt_.to!string.strip;
+      comp_obj_.has.inline_links                       = true;
+      toc_section_backmatter                           ~= comp_obj_;
+    }
+    if (the_document_bibliography_section.length > 1){
+      toc_txt_ = format("%s%s%s%s#%s%s",
+        mkup.lnk_o,
+        "Bibliography",
+        mkup.lnk_c,
+        mkup.url_o,
+        "bibliography",
+        mkup.url_c,
+      );
+      toc_txt_= toc_txt_.links_and_images;
+      comp_obj_.text                                   = toc_txt_.to!string.strip;
+      comp_obj_.has.inline_links                       = true;
+      toc_section_backmatter                           ~= comp_obj_;
+    }
+    if (the_document_bookindex_section.length > 1) {
+      toc_txt_ = format("%s%s%s%s#%s%s",
+        mkup.lnk_o,
+        "Book Index",
+        mkup.lnk_c,
+        mkup.url_o,
+        "bookindex",
+        mkup.url_c,
+      );
+      toc_txt_= toc_txt_.links_and_images;
+      comp_obj_.text                                   = toc_txt_.to!string.strip;
+      comp_obj_.has.inline_links                       = true;
+      toc_section_backmatter                           ~= comp_obj_;
+    }
+    if (the_document_blurb_section.length > 1) {
+      toc_txt_ = format("%s%s%s%s#%s%s",
+        mkup.lnk_o,
+        "Blurb",
+        mkup.lnk_c,
+        mkup.url_o,
+        "blurb",
+        mkup.url_c,
+      );
+      toc_txt_= toc_txt_.links_and_images;
+      comp_obj_.has.inline_links                       = true;
+      comp_obj_.text                                   = toc_txt_.to!string.strip;
+      toc_section_backmatter                           ~= comp_obj_;
+    }
+    debug(toc) {
+      writefln( "%s %s", __LINE__,);
+      foreach (toc_linked_heading; toc_section_backmatter) {
+        writeln(mkup.indent_by_spaces_provided(toc_linked_heading.attrib.indent_hang), toc_linked_heading.text);
+      }
+    }
+    return toc_section_backmatter;
+  }
+  // ↑ - table of contents
+  // ↓ - endnotes
+  struct NotesSection {
+    string[string] object_notes;
+    int previous_count;
+    int mkn;
+    static auto rgx = RgxI();
+    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_i, mkup.superscript, mkup.ff_o, m["char"], ".", mkup.ff_c, mkup.superscript, "}"
+            ~ 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.ff_i ~ mkup.superscript  ~ mkup.ff_o ~ m["char"] ~ "." ~ mkup.ff_c  ~ mkup.superscript  ~ "}#noteref_"
+            ~ m["char"]) ~ " "
+            ~ m["note"] ~ "』"
+          )
+        : (links_and_images(
+            "{" ~ mkup.ff_i ~ 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_i, mkup.superscipt, mkup.ff_o, m["num"], ".", mkup.ff_c, mkup.superscipt, "}"
+            ~ 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.ff_i ~ mkup.superscript  ~ mkup.ff_o ~ m["num"] ~ "." ~ mkup.ff_c  ~ mkup.superscript  ~ "}#noteref_"
+            ~ m["num"]) ~ " "
+            ~ m["note"] ~ "』"
+          )
+        : (links_and_images(
+            "{" ~ mkup.ff_i ~ 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;
+    }
+    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_;
+    }
+    private ST_endnotes backmatter_endnote_objects(O)(
+      OCNset         obj_cite_digits,
+      O              opt_action,
+    ) {
+      mixin spineNode;
+      ObjGenericComposite[] the_document_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_;
+      if ((endnotes_["notes"].length > 0)
+      && (opt_action.backmatter && opt_action.section_endnotes)) {
+        {
+          comp_obj_                                     = set_object_heading("lev1", "backmatter", "endnotes", "Endnotes");
+          comp_obj_.metainfo.identifier                 = "";
+          comp_obj_.metainfo.dummy_heading              = false;
+          comp_obj_.metainfo.object_number_off          = false;
+          comp_obj_.metainfo.object_number_type         = 0;
+          comp_obj_.tags.segment_anchor_tag_epub        = "_part_endnotes";
+          comp_obj_.tags.anchor_tag_html                = comp_obj_.tags.segment_anchor_tag_epub;
+          comp_obj_.tags.in_segment_html                = "endnotes";
+          comp_obj_.tags.anchor_tags                    = ["section_endnotes"];
+          the_document_endnotes_section                 ~= comp_obj_;
+          tag_assoc[comp_obj_.tags.anchor_tag_html]["seg_lv4"]            = comp_obj_.tags.in_segment_html;
+          tag_assoc[comp_obj_.tags.segment_anchor_tag_epub]["seg_lv1to4"] = comp_obj_.tags.segment_anchor_tag_epub;
+          ++mkn;
+        }
+        {
+          comp_obj_                                     = set_object_heading("lev4", "backmatter", "endnotes", "Endnotes");
+          comp_obj_.metainfo.identifier                 = "";
+          comp_obj_.metainfo.dummy_heading              = true;
+          comp_obj_.metainfo.object_number_off          = true;
+          comp_obj_.metainfo.object_number_type         = 0;
+          comp_obj_.tags.segment_anchor_tag_epub        = "endnotes";
+          comp_obj_.tags.anchor_tag_html                = comp_obj_.tags.segment_anchor_tag_epub;
+          comp_obj_.tags.in_segment_html                = comp_obj_.tags.anchor_tag_html;
+          comp_obj_.tags.anchor_tags                    = ["endnotes"];
+          the_document_endnotes_section                 ~= comp_obj_;
+          tag_assoc[comp_obj_.tags.anchor_tag_html]["seg_lv4"]            = comp_obj_.tags.in_segment_html;
+          tag_assoc[comp_obj_.tags.segment_anchor_tag_epub]["seg_lv1to4"] = comp_obj_.tags.segment_anchor_tag_epub;
+          ++mkn;
+        }
+      } else {
+        comp_obj_                                       = set_object_heading("lev1", "empty", "empty", "(skip) there are no Endnotes");
+        comp_obj_.metainfo.identifier                   = "";
+        comp_obj_.metainfo.dummy_heading                = true;
+        comp_obj_.metainfo.object_number_off            = true;
+        comp_obj_.metainfo.object_number_type           = 0;
+        the_document_endnotes_section                   ~= comp_obj_;
+      }
+      if (opt_action.backmatter && opt_action.section_endnotes) {
+        ObjGenericComposite comp_obj_endnote_;
+        comp_obj_endnote_                                       = set_object_generic("backmatter", "endnotes", "para", "endnote", "", 0);
+        comp_obj_endnote_.metainfo.identifier                   = "";
+        // comp_obj_.metainfo.dummy_heading                     = false;
+        comp_obj_.metainfo.object_number_off                    = true;
+        comp_obj_.metainfo.object_number_type                   = 0;
+        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_document_endnotes_section                         ~= comp_obj_endnote_;
+        }
+      }
+      ST_endnotes ret;
+      {
+        ret.endnotes = the_document_endnotes_section;
+        ret.ocn      = obj_cite_digits;
+      }
+      return ret;
+    }
+  }
+  // ↑ - endnotes
+  // ↓ - section book index
+  @system ST_flow_book_index flow_book_index_(B)(
+    char[]          line,
+    string[string]  an_object,
+    string          book_idx_tmp,
+    uint[string]    pith,
+    B               opt_action,
+  ) {
+    static auto rgx = RgxI();
+    if (auto m = line.match(rgx.book_index_item)) {                                   // 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_item_open))  {                      // match open book_index
+      pith["section"] = eN.sect.book_index;
+      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 (pith["section"] == eN.sect.book_index)  {                    // book_index flag set
+      if (auto m = line.match(rgx.book_index_item_close))  {
+        pith["section"] = eN.sect.unset;
+        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;
+        }
+      }
+    }
+    ST_flow_book_index ret;
+    {
+      ret.this_object    = an_object;
+      ret.pith           = pith;
+      ret.book_idx_tmp   = book_idx_tmp;
+    }
+    return ret;
+  }
+  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(S)(
+      string bookindex_section,
+      OCNset 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 = RgxI();
+      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() {
+    }
+  }
+  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;
+      }
+    }
+  }
+  struct BookIndexReportSection {
+    int  mkn, skn;
+    static auto rgx = RgxI();
+    static auto munge = ObjInlineMarkupMunge();
+    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;
+      }
+    }
+    @system ST_bookindex backmatter_bookindex_build_abstraction_section(B)(
+      string[][string][string] bookindex_unordered_hashes,
+      OCNset                   obj_cite_digits,
+      B                        opt_action,
+    ) {
+      debug(asserts) { static assert(is(typeof(obj_cite_digits.object_number) == int)); }
+      mixin spineNode;
+      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_;
+      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_                                     =  set_object_heading("lev1", "backmatter", "bookindex", "Book Index");
+          comp_obj_.metainfo.identifier                 = "";
+          comp_obj_.metainfo.dummy_heading              = false;
+          comp_obj_.metainfo.object_number_off          = false;
+          comp_obj_.metainfo.object_number_type         = 0;
+          comp_obj_.tags.segment_anchor_tag_epub        = "_part_book_index";
+          comp_obj_.tags.anchor_tag_html                = comp_obj_.tags.segment_anchor_tag_epub;
+          comp_obj_.tags.in_segment_html                = "bookindex";
+          comp_obj_.tags.anchor_tags                    = ["section_bookindex"];
+          comp_obj_.has.inline_links                    = true;
+          bookindex_section                             ~= comp_obj_;
+          tag_assoc[comp_obj_.tags.anchor_tag_html]["seg_lv4"]            = comp_obj_.tags.in_segment_html;
+          tag_assoc[comp_obj_.tags.segment_anchor_tag_epub]["seg_lv1to4"] = comp_obj_.tags.segment_anchor_tag_epub;
+          ++mkn;
+        }
+        {
+          comp_obj_                                     = set_object_heading("lev4", "backmatter", "bookindex", "Index");
+          comp_obj_.metainfo.identifier                 = "";
+          comp_obj_.metainfo.dummy_heading              = true;
+          comp_obj_.metainfo.object_number_off          = true;
+          comp_obj_.metainfo.object_number_type         = 0;
+          comp_obj_.tags.segment_anchor_tag_epub        = "bookindex";
+          comp_obj_.tags.anchor_tag_html                = comp_obj_.tags.segment_anchor_tag_epub;
+          comp_obj_.tags.in_segment_html                = comp_obj_.tags.anchor_tag_html;
+          comp_obj_.metainfo.heading_lev_collapsed      = 2;
+          comp_obj_.has.inline_links                    = false;
+          comp_obj_.tags.anchor_tags                    = ["bookindex"];
+          bookindex_section                             ~= comp_obj_;
+          tag_assoc[comp_obj_.tags.anchor_tag_html]["seg_lv4"]            = comp_obj_.tags.in_segment_html;
+          tag_assoc[comp_obj_.tags.segment_anchor_tag_epub]["seg_lv1to4"] = comp_obj_.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.ff_i ~ 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_                                          = set_object_generic("backmatter", "bookindex", "para", "bookindex", bi_tmp.to!string.strip, 0);
+          comp_obj_.metainfo.identifier                      = "";
+          comp_obj_.metainfo.object_number_off               = true;
+          comp_obj_.metainfo.object_number_type              = 0;
+          comp_obj_.tags.anchor_tags                         = bi_tmp_tags;
+          comp_obj_.attrib.indent_hang                       = 0;
+          comp_obj_.attrib.indent_base                       = 1;
+          comp_obj_.attrib.bullet                            = false;
+          comp_obj_.has.inline_links                         = true;
+          comp_obj_.text                                     = bi_tmp.to!string.strip;
+          bookindex_section                                  ~= comp_obj_;
+          ++mkn;
+        }
+      } else {                              // no book index, (figure out what to do here)
+        comp_obj_                                       = set_object_heading("lev1", "backmatter", "bookindex", "(skip) there is no Book Index");
+        comp_obj_.metainfo.identifier                   = "";
+        comp_obj_.metainfo.dummy_heading                = true;
+        comp_obj_.metainfo.object_number_off            = true;
+        bookindex_section                               ~= comp_obj_;
+      }
+      ST_bookindex ret;
+      {
+        ret.bookindex = bookindex_section;
+        ret.ocn       = obj_cite_digits;
+      }
+      return ret;
+    }
+  }
+  // ↑ - section book index
+  // ↓ - section glossary
+  // ↓ build
+  ST_the_section build_the_glossary_section(
+    char[]                 line,             // line is immutable, not necessary to return unchanged
+    uint[string]           pith,             // double check, should not be necessary to pass pith
+    string[string][string] tag_assoc,        // only for headings: html & epub
+  ) {
+    static auto rgx = RgxI();
+    ObjGenericComposite comp_obj_;
+    ObjGenericComposite[] add_to_current_document_section;
+    indent = [
+      "hang_position" : 0,
+      "base_position" : 0,
+    ];
+    bullet = false;
+    pith["txt_is"]           = eN.txt_is.para;
+    line_occur["para"]       = eN.bi.off;
+    an_object_key            = "glossary_nugget";
+    ST_the_section ret;
+    if (line.matchFirst(rgx.heading_glossary)) {
+      {
+        comp_obj_                                = set_object_heading("lev1", "backmatter", "glossary", "Glossary");
+        comp_obj_.metainfo.identifier            = "";
+        comp_obj_.metainfo.dummy_heading         = false;
+        comp_obj_.metainfo.object_number_off     = false;
+        comp_obj_.metainfo.object_number_type    = 0;
+        comp_obj_.tags.segment_anchor_tag_epub   = "_part_glossary";
+        comp_obj_.tags.anchor_tag_html           = comp_obj_.tags.segment_anchor_tag_epub;
+        comp_obj_.tags.in_segment_html           = "glossary";
+        comp_obj_.tags.anchor_tags               = ["section_glossary"];
+        comp_obj_.metainfo.dom_structure_markedup_tags_status  = [ 1, 1, 0, 0, 0, 0, 0, 0];
+        comp_obj_.metainfo.dom_structure_collapsed_tags_status = [ 1, 1, 0, 0, 0, 0, 0, 0];
+        add_to_current_document_section           ~= comp_obj_; //
+        tag_assoc[comp_obj_.tags.anchor_tag_html]["seg_lv4"]            = comp_obj_.tags.in_segment_html;
+        tag_assoc[comp_obj_.tags.segment_anchor_tag_epub]["seg_lv1to4"] = comp_obj_.tags.segment_anchor_tag_epub;
+      } {
+        comp_obj_                                = set_object_heading("lev4", "backmatter", "glossary", "Glossary");
+        comp_obj_.metainfo.identifier            = "";
+        comp_obj_.metainfo.dummy_heading         = true;
+        comp_obj_.metainfo.object_number_off     = true;
+        comp_obj_.metainfo.object_number_type    = 0;
+        comp_obj_.tags.segment_anchor_tag_epub   = "glossary";
+        comp_obj_.tags.anchor_tag_html           = comp_obj_.tags.segment_anchor_tag_epub;
+        comp_obj_.tags.in_segment_html           = comp_obj_.tags.anchor_tag_html;
+        comp_obj_.metainfo.heading_lev_collapsed = 2;
+        comp_obj_.tags.anchor_tags               = ["glossary"];
+        add_to_current_document_section          ~= comp_obj_; //
+        tag_assoc[comp_obj_.tags.anchor_tag_html]["seg_lv4"]            = comp_obj_.tags.in_segment_html;
+        tag_assoc[comp_obj_.tags.segment_anchor_tag_epub]["seg_lv1to4"] = comp_obj_.tags.segment_anchor_tag_epub;
+        pith["ocn"] = eN.ocn.on;
+      }
+      {
+        ret.comp_section_obj         ~= add_to_current_document_section;
+        ret.pith                     = pith;
+        ret.tag_assoc                = tag_assoc; // only for headings: html & epub
+      }
+    } else { // para
+      {
+        auto _get = line.flow_para_match_(an_object, an_object_key, indent, bullet, pith, line_occur);
+        {
+          an_object     = _get.this_object;
+          an_object_key = _get.this_object_key;
+          pith          = _get.pith;
+          indent        = _get.indent;
+          bullet        = _get.bullet;
+          line_occur    = _get.line_occur;
+        }
+      }
+      comp_obj_                               = set_object_generic("backmatter", "glossary", "para", "glossary", links_and_images(line.to!string.strip).replaceFirst(rgx.para_attribs, ""), 0);
+      comp_obj_.metainfo.identifier           = "";
+      comp_obj_.metainfo.object_number_off    = true;
+      comp_obj_.metainfo.object_number_type   = 0;
+      comp_obj_.attrib.indent_hang            = indent["hang_position"];
+      comp_obj_.attrib.indent_base            = indent["base_position"];
+      comp_obj_.attrib.bullet                 = bullet;
+      add_to_current_document_section         ~= comp_obj_; //
+      pith["ocn"]                             = eN.ocn.on;
+      {
+        ret.comp_section_obj = add_to_current_document_section;
+        ret.pith             = pith;
+        ret.tag_assoc        = tag_assoc; // NO CHANGE here, only for headings: html & epub
+      }
+    }
+    return ret;
+  }
+  // ↑ - section glossary
+  // ↓ - section bibliography
+  @system ST_biblio_section backmatter_make_the_bibliography_section()(
+    string[]     biblio_unsorted_incomplete,
+    JSONValue[]  bib_arr_json,
+  ) {
+    Bibliography biblio = Bibliography();
+    ObjGenericComposite comp_obj_;
+    static auto mkup = InlineMarkup();
+    ST_flow_bibliography _get = biblio.flow_bibliography_(biblio_unsorted_incomplete, bib_arr_json);
+    JSONValue[] biblio_ordered;
+    biblio_ordered            = _get.biblio_sorted;
+    if (biblio_ordered.length > 0) {
+      {
+        comp_obj_                                 = set_object_heading("lev1", "backmatter", "bibliography", "Bibliography");
+        comp_obj_.metainfo.identifier             = "";
+        comp_obj_.metainfo.dummy_heading          = false;
+        comp_obj_.metainfo.object_number_off      = false;
+        comp_obj_.metainfo.object_number_type     = 0;
+        comp_obj_.tags.segment_anchor_tag_epub    = "_part_bibliography";
+        comp_obj_.tags.anchor_tag_html            = comp_obj_.tags.segment_anchor_tag_epub;
+        comp_obj_.tags.in_segment_html            = "bibliography";
+        comp_obj_.tags.anchor_tags                = ["section_bibliography"];
+        comp_obj_.metainfo.dom_structure_markedup_tags_status  = [ 1, 1, 0, 0, 0, 0, 0, 0];
+        comp_obj_.metainfo.dom_structure_collapsed_tags_status = [ 1, 1, 0, 0, 0, 0, 0, 0];
+        the_document_bibliography_section         ~= comp_obj_;
+        tag_assoc[comp_obj_.tags.anchor_tag_html]["seg_lv4"]            = comp_obj_.tags.in_segment_html;
+        tag_assoc[comp_obj_.tags.segment_anchor_tag_epub]["seg_lv1to4"] = comp_obj_.tags.segment_anchor_tag_epub;
+      }
+      {
+        comp_obj_                                 = set_object_heading("lev4", "backmatter", "bibliography", "Bibliography");
+        comp_obj_.metainfo.identifier             = "";
+        comp_obj_.metainfo.dummy_heading          = true;
+        comp_obj_.metainfo.object_number_off      = true;
+        comp_obj_.metainfo.object_number_type     = 0;
+        comp_obj_.tags.segment_anchor_tag_epub    = "bibliography";
+        comp_obj_.tags.anchor_tag_html            = comp_obj_.tags.segment_anchor_tag_epub;
+        comp_obj_.tags.in_segment_html            = comp_obj_.tags.anchor_tag_html;
+        comp_obj_.tags.anchor_tags                = ["bibliography"];
+        the_document_bibliography_section         ~= comp_obj_;
+        tag_assoc[comp_obj_.tags.anchor_tag_html]["seg_lv4"]            = comp_obj_.tags.in_segment_html;
+        tag_assoc[comp_obj_.tags.segment_anchor_tag_epub]["seg_lv1to4"] = comp_obj_.tags.segment_anchor_tag_epub;
+      }
+      {
+        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.ff_i ~ 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_                                   = set_object_generic("backmatter", "bibliography", "para", "bibliography", out_.to!string.strip, 0);
+          comp_obj_.metainfo.identifier               = "";
+          comp_obj_.metainfo.object_number_off        = true;
+          comp_obj_.metainfo.object_number_type       = 0;
+          comp_obj_.attrib.indent_hang                = 0;
+          comp_obj_.attrib.indent_base                = 1;
+          comp_obj_.attrib.bullet                     = bullet;
+          comp_obj_.tags.anchor_tags                  = [anchor_tag];
+          the_document_bibliography_section           ~= comp_obj_;
+        }
+      }
+    } else {
+      comp_obj_                                   = set_object_heading("lev1", "empty", "empty", "(skip) there is no Bibliography");
+      comp_obj_.metainfo.identifier               = "";
+      comp_obj_.metainfo.dummy_heading            = true;
+      comp_obj_.metainfo.object_number_off        = true;
+      comp_obj_.metainfo.object_number_type       = 0;
+      the_document_bibliography_section           ~= comp_obj_;
+    }
+    debug(bibliosection) { foreach (o; the_document_bibliography_section) { writeln(o.text); } }
+    ST_biblio_section ret;
+    {
+      ret.bibliography_section = the_document_bibliography_section;
+      ret.tag_assoc            = tag_assoc; //
+    }
+    return ret;
+  }
+  struct Bibliography {
+    @system ST_flow_bibliography flow_bibliography_()(
+      string[]    biblio_unsorted_incomplete,
+      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++;
+        }
+      }
+      ST_flow_bibliography ret;
+      {
+        ret.biblio_sorted  = biblio_sorted__;
+        ret.bib_arr_json  = bib_arr_json;
+        ret.biblio_unsorted_incomplete  = biblio_unsorted_incomplete;
+      }
+      return ret;
+    }
+    @system 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;
+    }
+    @system 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_;
+    }
+    @system void biblio_debug()(JSONValue[] biblio_sorted) {
+      debug(biblio0) {
+        foreach (j; biblio_sorted) {
+          if (!empty(j["fulltitle"].str)) { writeln(j["sortby_deemed_author_year_title"]); }
+        }
+      }
+    }
+  }
+  // ↑ - section bibliography
+  // ↓ - section blurb
+  ST_the_section build_the_blurb_section(Opt) (
+    char[]                 line,             // line is immutable, not necessary to return unchanged
+    uint[string]           pith,             // double check, should not be necessary to pass pith
+    string[string][string] tag_assoc,        // only for headings: html & epub
+    Opt                    opt_action,
+  ) {
+    static auto rgx = RgxI();
+    ObjGenericComposite comp_obj_;
+    ObjGenericComposite[] add_to_current_document_section;
+    // assert (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;
+    }
+    pith["txt_is"]           = eN.txt_is.para;
+    line_occur["para"]       = eN.bi.off;
+    an_object_key = "blurb_nugget";
+    ST_the_section ret;
+    if (line.matchFirst(rgx.heading_blurb)
+    && (opt_action.backmatter && opt_action.section_blurb)) {
+      {
+        comp_obj_                                              = set_object_heading("lev1", "backmatter", "blurb", "Blurb");
+        comp_obj_.metainfo.identifier                          = "";
+        comp_obj_.metainfo.dummy_heading                       = false;
+        comp_obj_.metainfo.object_number_off                   = false;
+        comp_obj_.metainfo.object_number_type                  = 0;
+        comp_obj_.tags.segment_anchor_tag_epub                 = "_part_blurb";
+        comp_obj_.tags.anchor_tag_html                         = comp_obj_.tags.segment_anchor_tag_epub;
+        comp_obj_.tags.in_segment_html                         = "blurb";
+        comp_obj_.tags.anchor_tags                             = ["section_blurb"];
+        comp_obj_.metainfo.dom_structure_markedup_tags_status  = [ 1, 1, 0, 0, 0, 0, 0, 0];
+        comp_obj_.metainfo.dom_structure_collapsed_tags_status = [ 1, 1, 0, 0, 0, 0, 0, 0];
+        add_to_current_document_section                                 ~= comp_obj_;
+        tag_assoc[comp_obj_.tags.anchor_tag_html]["seg_lv4"]            = comp_obj_.tags.in_segment_html;
+        tag_assoc[comp_obj_.tags.segment_anchor_tag_epub]["seg_lv1to4"] = comp_obj_.tags.segment_anchor_tag_epub;
+      }
+      {
+        comp_obj_                                              = set_object_heading("lev4", "backmatter", "blurb", "Blurb");
+        comp_obj_.metainfo.identifier                          = "";
+        comp_obj_.metainfo.dummy_heading                       = true;
+        comp_obj_.metainfo.object_number_off                   = true;
+        comp_obj_.metainfo.object_number_type                  = 0;
+        comp_obj_.tags.segment_anchor_tag_epub                 = "blurb";
+        comp_obj_.tags.anchor_tag_html                         = comp_obj_.tags.segment_anchor_tag_epub;
+        comp_obj_.tags.in_segment_html                         = comp_obj_.tags.anchor_tag_html;
+        comp_obj_.metainfo.heading_lev_collapsed               = 2;
+        comp_obj_.tags.anchor_tags                             = ["blurb"];
+        add_to_current_document_section                                 ~= comp_obj_;
+        tag_assoc[comp_obj_.tags.anchor_tag_html]["seg_lv4"]            = comp_obj_.tags.in_segment_html;
+        tag_assoc[comp_obj_.tags.segment_anchor_tag_epub]["seg_lv1to4"] = comp_obj_.tags.segment_anchor_tag_epub;
+      }
+    } else if (line.matchFirst(rgx.headings)
+    && (opt_action.backmatter && opt_action.section_blurb)) {
+      comp_obj_                                              = comp_obj_.init;
+      comp_obj_.metainfo.is_of_part                          = "backmatter";
+      comp_obj_.metainfo.is_of_section                       = "blurb";
+      comp_obj_.metainfo.is_of_type                          = "para";
+      comp_obj_.metainfo.is_a                                = "heading";
+      comp_obj_.text                                         = line.to!string;
+      comp_obj_.metainfo.ocn                                 = 0;
+      comp_obj_.metainfo.identifier                          = "";
+      comp_obj_.metainfo.dummy_heading                       = false;
+      comp_obj_.metainfo.object_number_off                   = true;
+      comp_obj_.metainfo.object_number_type                  = 0;
+      comp_obj_.tags.segment_anchor_tag_epub                 = "blurb";
+      comp_obj_.tags.anchor_tag_html                         = comp_obj_.tags.segment_anchor_tag_epub;
+      comp_obj_.tags.in_segment_html                         = comp_obj_.tags.anchor_tag_html;
+      comp_obj_.metainfo.heading_lev_markup                  = an_object["lev_markup_number"].to!int;    // make int, remove need to conv
+      comp_obj_.metainfo.heading_lev_collapsed               = an_object["lev_collapsed_number"].to!int; // make int, remove need to conv
+      comp_obj_.metainfo.parent_ocn                          = 1;
+      comp_obj_.metainfo.parent_lev_markup                   = 0;
+      add_to_current_document_section                                 ~= comp_obj_;
+      tag_assoc[comp_obj_.tags.anchor_tag_html]["seg_lv4"]            = comp_obj_.tags.in_segment_html;
+      tag_assoc[comp_obj_.tags.segment_anchor_tag_epub]["seg_lv1to4"] = comp_obj_.tags.segment_anchor_tag_epub;
+    } else if (!(line.empty)) {
+      {
+        auto _get = line.flow_para_match_(an_object, an_object_key, indent, bullet, pith, line_occur);
+        {
+          an_object     = _get.this_object;
+          an_object_key = _get.this_object_key;
+          pith          = _get.pith;
+          indent        = _get.indent;
+          bullet        = _get.bullet;
+          line_occur    = _get.line_occur;
+        }
+      }
+      comp_obj_                               = set_object_generic("backmatter", "blurb", "para", "blurb", links_and_images(line.to!string.strip).replaceFirst(rgx.para_attribs, ""), 0);
+      comp_obj_.metainfo.identifier           = "";
+      comp_obj_.metainfo.object_number_off    = true;
+      comp_obj_.metainfo.object_number_type   = 0;
+      comp_obj_.attrib.indent_hang            = indent["hang_position"];
+      comp_obj_.attrib.indent_base            = indent["base_position"];
+      comp_obj_.has.inline_links              = true;
+      comp_obj_.attrib.bullet                 = bullet;
+      add_to_current_document_section         ~= comp_obj_;
+    }
+    pith["ocn"] = eN.ocn.on;
+    {
+      ret.comp_section_obj = add_to_current_document_section;
+      ret.pith             = pith;
+      ret.tag_assoc        = tag_assoc; // NO CHANGE here, only for headings: html & epub
+    }
+    return ret;
+  }
+  // ↑ - section blurb
+  // ↓ - images
+  string[] extract_images()(string content_block) {
+    static auto rgx = RgxI();
+    string[] images_;
+    if (auto m = content_block.matchAll(rgx.image)) {
+      images_ ~= m.captures[1];
+    }
+    return images_;
+  }
+  @system auto _image_dimensions(O,M)(O obj, M manifested) {
+    static auto rgx = RgxI();
+    if (obj.has.image_without_dimensions) {
+      import std.math;
+      import imageformats;
+      int w, h, chans;
+      real _w, _h;
+      int max_width = 640;
+      foreach (img; obj.text.matchAll(rgx.inline_image_without_dimensions)) {
+        try {
+          read_image_info(manifested.src.image_dir_path ~ "/" ~ img["img"], w, h, chans);
+        } catch (Exception ex) {
+          writeln("WARNING, image not found: ", img["img"], "\n  ", manifested.src.image_dir_path ~ "/" ~ img["img"]);
+        }
+        // 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;
+  }
+  // ↑ - images
+  // ↓ - links
+  auto _links(O)(O obj) {
+    static auto rgx = RgxI();
+    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;
+  }
+  // ↑ - links
+  // ↓ - segnames
+  @system ST_segnames after_doc_determine_segnames(
+    ObjGenericComposite[] the_document_body_section,
+    ObjGenericComposite[] the_document_endnotes_section,
+    ObjGenericComposite[] the_document_glossary_section,
+    ObjGenericComposite[] the_document_bibliography_section,
+    ObjGenericComposite[] the_document_bookindex_section,
+    ObjGenericComposite[] the_document_blurb_section,
+    string[][string]      segnames,
+    int                   html_segnames_ptr_cntr,
+    int                   html_segnames_ptr,
+  ) {
+    if (the_document_endnotes_section.length > 1) {
+      segnames["html"] ~= "endnotes";
+      segnames["epub"] ~= "endnotes";
+      html_segnames_ptr = html_segnames_ptr_cntr;
+      foreach (ref obj; the_document_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++;
+    }
+    if (the_document_glossary_section.length > 1) {
+      segnames["html"] ~= "glossary";
+      segnames["epub"] ~= "glossary";
+      html_segnames_ptr = html_segnames_ptr_cntr;
+      foreach (ref obj; the_document_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++;
+    }
+    if (the_document_bibliography_section.length > 1) {
+      segnames["html"] ~= "bibliography";
+      segnames["epub"] ~= "bibliography";
+      html_segnames_ptr = html_segnames_ptr_cntr;
+      foreach (ref obj; the_document_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++;
+    }
+    if (the_document_bookindex_section.length > 1) {
+      segnames["html"] ~= "bookindex";
+      segnames["epub"] ~= "bookindex";
+      html_segnames_ptr = html_segnames_ptr_cntr;
+      foreach (ref obj; the_document_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++;
+    }
+    if (the_document_blurb_section.length > 1) {
+      segnames["html"] ~= "blurb";
+      segnames["epub"] ~= "blurb";
+      html_segnames_ptr = html_segnames_ptr_cntr;
+      foreach (ref obj; the_document_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++;
+    }
+    ST_segnames ret;
+    ret.segnames                          = segnames;
+    ret.html_segnames_ptr_cntr            = html_segnames_ptr_cntr;
+    ret.html_segnames_ptr                 = html_segnames_ptr;
+    return ret;
+  }
+  // ↑ - segnames
+  // ↓ - ancestors descendants
+  struct NodeStructureMetadata {
+    int lv, lv0, lv1, lv2, lv3, lv4, lv5, lv6, lv7;
+    int obj_cite_digit;
+    int[string] p_; // p_ parent_
+    static auto rgx = RgxI();
+    ObjGenericComposite node_location_emitter(La,Ta)(
+      string         lev_markup_number,
+      string[string] tag_in_seg,
+      La             lev_anchor_tag,
+      Ta             tag_assoc,
+      OCNset         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 > eN.bi.off) {
+        p_["lev_markup_number"]                       = DocStructMarkupHeading.h_text_4;
+        p_["object_number"]                           = lv7;
+      } else if (lv6 > eN.bi.off) {
+        p_["lev_markup_number"]                       = DocStructMarkupHeading.h_text_3;
+        p_["object_number"]                           = lv6;
+      } else if (lv5 > eN.bi.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_lv1to4"];
+      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() {
+    }
+    ObjGenericComposite node_emitter_heading(O,TaL,TA,SOAT)(
+      O              an_object,
+      string[string] tag_in_seg,
+      TaL            lev_anchor_tag,
+      TA             tag_assoc,
+      OCNset         obj_cite_digits,
+      int            cntr_,
+      int            ptr_,
+      string[]       lv_ancestors_txt,
+      int            html_segnames_ptr,
+      SOAT           substantive_object_and_anchor_tags_struct,
+    ) {
+      string _text                = an_object["substantive"];
+      string lev_markup_number    = an_object["lev_markup_number"];
+      string lev_collapsed_number = an_object["lev_collapsed_number"];
+      string dummy_heading_status = an_object["dummy_heading_status"];
+      string is_                  = an_object["is"];
+      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 > eN.bi.off) {
+          p_["lev_markup_number"]
+            = DocStructMarkupHeading.h_sect_D;
+          p_["object_number"] = lv3;
+        } else if (lv2 > eN.bi.off) {
+          p_["lev_markup_number"]
+            = DocStructMarkupHeading.h_sect_C;
+          p_["object_number"] = lv2;
+        } else if (lv1 > eN.bi.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_;
+      comp_obj_                                        = comp_obj_.init;
+      comp_obj_.metainfo.is_of_part                    = "body";
+      comp_obj_.metainfo.is_of_section                 = "body";
+      comp_obj_.metainfo.is_of_type                    = "para";
+      comp_obj_.metainfo.is_a                          = "heading";
+      comp_obj_.text                                   = _text.to!string.strip;
+      comp_obj_.metainfo.ocn                           = obj_cite_digits.object_number;
+      comp_obj_.metainfo.identifier                    = obj_cite_digits.identifier;
+      comp_obj_.metainfo.dummy_heading                 = (dummy_heading_status == "t") ? true: false;
+      comp_obj_.metainfo.object_number_off             = obj_cite_digits.off;
+      // comp_obj_.metainfo.o_n_book_index             = obj_cite_digits.bkidx;
+      comp_obj_.metainfo.object_number_type            = obj_cite_digits.type;
+      comp_obj_.tags.segment_anchor_tag_epub           = tag_in_seg["seg_lv1to4"];
+      comp_obj_.tags.anchor_tag_html                   = tag_in_seg["seg_lv4"];
+      comp_obj_.tags.in_segment_html                   = comp_obj_.tags.anchor_tag_html;
+      comp_obj_.tags.heading_lev_anchor_tag            = lev_anchor_tag;
+      comp_obj_.tags.html_segment_anchor_tag_is        = tag_in_seg["seg_lv4"];
+      comp_obj_.tags.epub_segment_anchor_tag_is        = tag_in_seg["seg_lv1to4"];
+      comp_obj_.metainfo.heading_lev_markup            = (!(lev_markup_number.empty) ? lev_markup_number.to!int : 0);
+      comp_obj_.metainfo.heading_lev_collapsed         = (!(lev_collapsed_number.empty) ? lev_collapsed_number.to!int : 0);
+      comp_obj_.metainfo.parent_ocn                    = p_["object_number"];
+      comp_obj_.metainfo.parent_lev_markup             = p_["lev_markup_number"];
+      comp_obj_.tags.heading_ancestors_text            = lv_ancestors_txt;
+      comp_obj_.ptr.doc_object                         = cntr_;
+      comp_obj_.ptr.html_segnames                      = ((lev_markup_number == "4") ? html_segnames_ptr : 0);
+      comp_obj_.ptr.heading                            = ptr_;
+      comp_obj_.has.inline_notes_reg                   = substantive_object_and_anchor_tags_struct.has_notes_reg;
+      comp_obj_.has.inline_notes_star                  = substantive_object_and_anchor_tags_struct.has_notes_star;
+      comp_obj_.has.inline_links                       = substantive_object_and_anchor_tags_struct.has_links;
+      tag_assoc[comp_obj_.tags.anchor_tag_html]["seg_lv4"]            = comp_obj_.tags.in_segment_html;
+      tag_assoc[comp_obj_.tags.segment_anchor_tag_epub]["seg_lv1to4"] = comp_obj_.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_.metainfo.parent_lev_markup <= 7);
+      assert(comp_obj_.metainfo.parent_ocn >= 0);
+      if (lev_markup_number.match(rgx.levels_numbered_headings)) {
+        assert(comp_obj_.metainfo.heading_lev_markup <= 7);
+        assert(comp_obj_.metainfo.ocn >= 0);
+        if (comp_obj_.metainfo.parent_lev_markup > 0) {
+          assert(comp_obj_.metainfo.parent_lev_markup < comp_obj_.metainfo.heading_lev_markup);
+          if (comp_obj_.metainfo.ocn != 0) {
+            assert(comp_obj_.metainfo.parent_ocn < comp_obj_.metainfo.ocn);
+          }
+        }
+        if (comp_obj_.metainfo.heading_lev_markup == 0) {
+          assert(comp_obj_.metainfo.parent_lev_markup == DocStructMarkupHeading.h_sect_A);
+        } else if  (comp_obj_.metainfo.heading_lev_markup == DocStructMarkupHeading.h_sect_B) {
+          assert(comp_obj_.metainfo.parent_lev_markup == DocStructMarkupHeading.h_sect_A);
+        } else if  (comp_obj_.metainfo.heading_lev_markup == DocStructMarkupHeading.h_sect_C) {
+          assert(comp_obj_.metainfo.parent_lev_markup == DocStructMarkupHeading.h_sect_B);
+        } else if  (comp_obj_.metainfo.heading_lev_markup == DocStructMarkupHeading.h_sect_D) {
+          assert(comp_obj_.metainfo.parent_lev_markup == DocStructMarkupHeading.h_sect_C);
+        } else if  (comp_obj_.metainfo.heading_lev_markup == DocStructMarkupHeading.h_text_1) {
+          assert(comp_obj_.metainfo.parent_lev_markup <= DocStructMarkupHeading.h_sect_D);
+        } else if  (comp_obj_.metainfo.heading_lev_markup == DocStructMarkupHeading.h_text_2) {
+          assert(comp_obj_.metainfo.parent_lev_markup == DocStructMarkupHeading.h_text_1);
+        } else if  (comp_obj_.metainfo.heading_lev_markup == DocStructMarkupHeading.h_text_3) {
+          assert(comp_obj_.metainfo.parent_lev_markup == DocStructMarkupHeading.h_text_2);
+        } else if  (comp_obj_.metainfo.heading_lev_markup == DocStructMarkupHeading.h_text_4) {
+          assert(comp_obj_.metainfo.parent_lev_markup == DocStructMarkupHeading.h_text_3);
+        } else if  (comp_obj_.metainfo.heading_lev_markup == DocStructMarkupHeading.h_text_5) {
+        }
+      }
+      return comp_obj_;
+    }
+    invariant() {
+    }
+  }
+  @system ST_ancestors after_doc_determine_ancestors(
+    ObjGenericComposite[] the_document_body_section,
+    ObjGenericComposite[] the_document_endnotes_section,
+    ObjGenericComposite[] the_document_glossary_section,
+    ObjGenericComposite[] the_document_bibliography_section,
+    ObjGenericComposite[] the_document_bookindex_section,
+    ObjGenericComposite[] the_document_blurb_section,
+  ) {
+    int[] _get_ancestors_markup(ObjGenericComposite obj, 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;
+    }
+    int[] _get_ancestors_collapsed(ObjGenericComposite obj, 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;
+    }
+    // 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);
+      }
+    }
+    ST_ancestors ret;
+    ret.the_document_body_section         = the_document_body_section;
+    ret.the_document_endnotes_section     = the_document_endnotes_section;
+    ret.the_document_glossary_section     = the_document_glossary_section;
+    ret.the_document_bibliography_section = the_document_bibliography_section;
+    ret.the_document_bookindex_section    = the_document_bookindex_section;
+    ret.the_document_blurb_section        = the_document_blurb_section;
+    return ret;
+  }
+  // ↑ - ancestors
+  // ↓ - descendants
+  // descendants
+  auto after_doc_get_descendants()(ObjGenericComposite[] document_sections) {
+    int[string] _heading_ocn_descendants;
+    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_descendants[_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_descendants[_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_descendants[_ocn_open_key[_dts_lv]] = obj.metainfo.ocn - 1;
+            _ocn_open_key[_dts_lv] = (obj.metainfo.ocn).to!string;
+            _heading_ocn_descendants[_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_descendants["1"] = _last_ocn; // close existing o_n key
+      }
+    }
+    Tuple!(int, int)[] pairs;
+    foreach (pair; _heading_ocn_descendants.byPair) {
+      pairs ~= tuple(pair[0].to!int, pair[1]);
+    }
+    return pairs.sort;
+  }
+  // ↑ - descendants
+  // ↓ - assertions
+  pure void assertions_doc_structure()(
+    string[string]  an_object,
+    string          an_object_key,
+    int[string]     lv
+  ) {
+    string msg_error_doc_struct = "\nERROR in document structure, check markup (heading level relationships):\n";
+    if (lv["h3"] > eN.bi.off) {
+      assert(lv["h0"] > eN.bi.off,
+        msg_error_doc_struct
+        ~ an_object[an_object_key]
+      );
+      assert(lv["h1"] > eN.bi.off,
+        msg_error_doc_struct
+        ~ an_object[an_object_key]
+      );
+      assert(lv["h2"] > eN.bi.off,
+        msg_error_doc_struct
+        ~ an_object[an_object_key]
+      );
+    } else if (lv["h2"] > eN.bi.off) {
+      assert(lv["h0"] > eN.bi.off,
+        msg_error_doc_struct
+        ~ an_object[an_object_key]
+      );
+      assert(lv["h1"] > eN.bi.off,
+        msg_error_doc_struct
+        ~ an_object[an_object_key]
+      );
+      assert(lv["h3"] == eN.bi.off,
+        msg_error_doc_struct
+        ~ an_object[an_object_key]
+      );
+    } else if (lv["h1"] > eN.bi.off) {
+      assert(lv["h0"] > eN.bi.off,
+        msg_error_doc_struct
+        ~ an_object[an_object_key]
+      );
+      assert(lv["h2"] == eN.bi.off,
+        msg_error_doc_struct
+        ~ an_object[an_object_key]
+      );
+      assert(lv["h3"] == eN.bi.off,
+        msg_error_doc_struct
+        ~ an_object[an_object_key]
+      );
+    } else if (lv["h0"] > eN.bi.off) {
+      assert(lv["h1"] == eN.bi.off,
+        msg_error_doc_struct
+        ~ an_object[an_object_key]
+      );
+      assert(lv["h2"] == eN.bi.off,
+        msg_error_doc_struct
+        ~ an_object[an_object_key]
+      );
+      assert(lv["h3"] == eN.bi.off,
+        msg_error_doc_struct
+        ~ an_object[an_object_key]
+      );
+    } else {
+      assert(lv["h0"] == eN.bi.off,
+        msg_error_doc_struct
+        ~ an_object[an_object_key]
+      );
+      assert(lv["h1"] == eN.bi.off,
+        msg_error_doc_struct
+        ~ an_object[an_object_key]
+      );
+      assert(lv["h2"] == eN.bi.off,
+        msg_error_doc_struct
+        ~ an_object[an_object_key]
+      );
+      assert(lv["h3"] == eN.bi.off,
+        msg_error_doc_struct
+        ~ an_object[an_object_key]
+      );
+    }
+    if (lv["h7"] > eN.bi.off) {
+      assert(lv["h4"] > eN.bi.off,
+        msg_error_doc_struct
+        ~ "missing segment level 1~\n"
+        ~ an_object[an_object_key]
+      );
+      assert(lv["h5"] > eN.bi.off,
+        msg_error_doc_struct
+        ~ an_object[an_object_key]
+      );
+      assert(lv["h6"] > eN.bi.off,
+        msg_error_doc_struct
+        ~ an_object[an_object_key]
+      );
+    } else if (lv["h6"] > eN.bi.off) {
+      assert(lv["h4"] > eN.bi.off,
+        msg_error_doc_struct
+        ~ "missing segment level 1~\n"
+        ~ an_object[an_object_key]
+      );
+      assert(lv["h5"] > eN.bi.off,
+        msg_error_doc_struct
+        ~ an_object[an_object_key]
+      );
+      assert(lv["h7"] == eN.bi.off,
+        msg_error_doc_struct
+        ~ an_object[an_object_key]
+      );
+    } else if (lv["h5"] > eN.bi.off) {
+      assert(lv["h4"] > eN.bi.off,
+        msg_error_doc_struct
+        ~ "missing segment level 1~\n"
+        ~ an_object[an_object_key]
+      );
+      assert(lv["h6"] == eN.bi.off,
+        msg_error_doc_struct
+        ~ an_object[an_object_key]
+      );
+      assert(lv["h7"] == eN.bi.off,
+        msg_error_doc_struct
+        ~ an_object[an_object_key]
+      );
+    } else if (lv["h4"] > eN.bi.off) {
+      assert(lv["h5"] == eN.bi.off,
+        msg_error_doc_struct
+        ~ an_object[an_object_key]
+      );
+      assert(lv["h6"] == eN.bi.off,
+        msg_error_doc_struct
+        ~ an_object[an_object_key]
+      );
+      assert(lv["h7"] == eN.bi.off,
+        msg_error_doc_struct
+        ~ an_object[an_object_key]
+      );
+    } else {
+      assert(lv["h4"] == eN.bi.off,
+        msg_error_doc_struct
+        ~ "missing segment level 1~\n"
+        ~ an_object[an_object_key]
+      );
+      assert(lv["h5"] == eN.bi.off,
+        msg_error_doc_struct
+        ~ an_object[an_object_key]
+      );
+      assert(lv["h6"] == eN.bi.off,
+        msg_error_doc_struct
+        ~ an_object[an_object_key]
+      );
+      assert(lv["h7"] == eN.bi.off,
+        msg_error_doc_struct
+        ~ an_object[an_object_key]
+      );
+    }
+    if (lv["h0"] == eN.bi.off) {
+      assert(lv["h1"] == eN.bi.off,
+        msg_error_doc_struct
+        ~ an_object[an_object_key]
+      );
+      assert(lv["h2"] == eN.bi.off,
+        msg_error_doc_struct
+        ~ an_object[an_object_key]
+      );
+      assert(lv["h3"] == eN.bi.off,
+        msg_error_doc_struct
+        ~ an_object[an_object_key]
+      );
+      assert(lv["h4"] == eN.bi.off,
+        msg_error_doc_struct
+        ~ "missing segment level 1~\n"
+        ~ an_object[an_object_key]
+      );
+      assert(lv["h5"] == eN.bi.off,
+        msg_error_doc_struct
+        ~ an_object[an_object_key]
+      );
+      assert(lv["h6"] == eN.bi.off,
+        msg_error_doc_struct
+        ~ an_object[an_object_key]
+      );
+      assert(lv["h7"] == eN.bi.off,
+        msg_error_doc_struct
+        ~ an_object[an_object_key]
+      );
+    }
+    if (lv["h1"] == eN.bi.off) {
+      assert(lv["h2"] == eN.bi.off,
+        msg_error_doc_struct
+        ~ an_object[an_object_key]
+      );
+      assert(lv["h3"] == eN.bi.off,
+        msg_error_doc_struct
+        ~ an_object[an_object_key]
+      );
+    }
+    if (lv["h2"] == eN.bi.off) {
+      assert(lv["h3"] == eN.bi.off,
+        msg_error_doc_struct
+        ~ an_object[an_object_key]
+      );
+    }
+    if (lv["h3"] == eN.bi.off) {
+    }
+    if (lv["h4"] == eN.bi.off) {
+      assert(lv["h5"] == eN.bi.off,
+        msg_error_doc_struct
+        ~ an_object[an_object_key]
+      );
+      assert(lv["h6"] == eN.bi.off,
+        msg_error_doc_struct
+        ~ an_object[an_object_key]
+      );
+      assert(lv["h7"] == eN.bi.off,
+        msg_error_doc_struct
+        ~ an_object[an_object_key]
+      );
+    }
+    if (lv["h5"] == eN.bi.off) {
+      assert(lv["h6"] == eN.bi.off,
+        msg_error_doc_struct
+        ~ an_object[an_object_key]
+      );
+      assert(lv["h7"] == eN.bi.off,
+        msg_error_doc_struct
+        ~ an_object[an_object_key]
+      );
+    }
+    if (lv["h6"] == eN.bi.off) {
+      assert(lv["h7"] == eN.bi.off,
+        msg_error_doc_struct
+        ~ an_object[an_object_key]
+      );
+    }
+    if (lv["h7"] == eN.bi.off) {
+    }
+    switch ((an_object["lev"]).to!string) {
+    case "A":
+      if (lv["h0"] == eN.bi.off) {
+        assert(lv["h1"] == eN.bi.off,
+          msg_error_doc_struct
+          ~ "at level A~\n"
+          ~ an_object[an_object_key]
+        );
+        assert(lv["h2"] == eN.bi.off,
+          msg_error_doc_struct
+          ~ "at level A~\n"
+          ~ an_object[an_object_key]
+        );
+        assert(lv["h3"] == eN.bi.off,
+          msg_error_doc_struct
+          ~ "at level A~\n"
+          ~ an_object[an_object_key]
+        );
+        assert(lv["h4"] == eN.bi.off,
+          msg_error_doc_struct
+          ~ "missing segment level 1~\n"
+          ~ "at level A~\n"
+          ~ an_object[an_object_key]
+        );
+        assert(lv["h5"] == eN.bi.off,
+          msg_error_doc_struct
+          ~ "at level A~\n"
+          ~ an_object[an_object_key]
+        );
+        assert(lv["h6"] == eN.bi.off,
+          msg_error_doc_struct
+          ~ "at level A~\n"
+          ~ an_object[an_object_key]
+        );
+        assert(lv["h7"] == eN.bi.off,
+          msg_error_doc_struct
+          ~ "at level A~\n"
+          ~ an_object[an_object_key]
+        );
+      } else {                       // (lv["h0"] > eN.bi.off)
+        assert(lv["h0"] == eN.bi.off,
+          msg_error_doc_struct
+          ~ "should not enter level A a second time\n"
+          ~ "at level A~\n"
+          ~ an_object[an_object_key]
+        );
+      }
+      break;
+    case "B":
+      if (lv["h1"] == eN.bi.off) {
+        assert(lv["h0"] > eN.bi.off,
+          msg_error_doc_struct
+          ~ "at level B~\n"
+          ~ an_object[an_object_key]
+        );
+        assert(lv["h2"] == eN.bi.off,
+          msg_error_doc_struct
+          ~ "at level B~\n"
+          ~ an_object[an_object_key]
+        );
+        assert(lv["h3"] == eN.bi.off,
+          msg_error_doc_struct
+          ~ "at level B~\n"
+          ~ an_object[an_object_key]
+        );
+      } else {                       // (lv["h1"] > eN.bi.off)
+        assert(lv["h0"] > eN.bi.off,
+          msg_error_doc_struct
+          ~ "at level B~\n"
+          ~ an_object[an_object_key]
+        );
+        assert(lv["h1"] > eN.bi.off,
+          msg_error_doc_struct
+          ~ "at level B~\n"
+          ~ an_object[an_object_key]
+        );
+      }
+      break;
+    case "C":
+      if (lv["h2"] == eN.bi.off) {
+        assert(lv["h0"] > eN.bi.off,
+          msg_error_doc_struct
+          ~ "at level C~\n"
+          ~ an_object[an_object_key]
+        );
+        assert(lv["h1"] > eN.bi.off,
+          msg_error_doc_struct
+          ~ "level C should not follow level A\n"
+          ~ "at level C~\n"
+          ~ an_object[an_object_key]
+        );
+        assert(lv["h3"] == eN.bi.off,
+          msg_error_doc_struct
+          ~ "at level C~\n"
+          ~ an_object[an_object_key]
+        );
+      } else {                       // (lv["h2"] > eN.bi.off)
+        assert(lv["h0"] > eN.bi.off,
+          msg_error_doc_struct
+          ~ "at level C~\n"
+          ~ an_object[an_object_key]
+        );
+        assert(lv["h1"] > eN.bi.off,
+          msg_error_doc_struct
+          ~ "at level C~\n"
+          ~ an_object[an_object_key]
+        );
+        assert(lv["h2"] > eN.bi.off,
+          msg_error_doc_struct
+          ~ "at level C~\n"
+          ~ an_object[an_object_key]
+        );
+      }
+      break;
+    case "D":
+      if (lv["h3"] == eN.bi.off) {
+        assert(lv["h0"] > eN.bi.off,
+          msg_error_doc_struct
+          ~ "at level D~\n"
+          ~ an_object[an_object_key]
+        );
+        assert(lv["h1"] > eN.bi.off,
+          msg_error_doc_struct
+          ~ "level D should not follow level A\n"
+          ~ "at level D~\n"
+          ~ an_object[an_object_key]
+        );
+        assert(lv["h2"] > eN.bi.off,
+          msg_error_doc_struct
+          ~ "at level D~\n"
+          ~ an_object[an_object_key]
+        );
+      } else {                      // (lv["h3"] > eN.bi.off)
+        assert(lv["h0"] > eN.bi.off,
+          msg_error_doc_struct
+          ~ "at level D~\n"
+          ~ an_object[an_object_key]
+        );
+        assert(lv["h1"] > eN.bi.off,
+          msg_error_doc_struct
+          ~ "at level D~\n"
+          ~ an_object[an_object_key]
+        );
+        assert(lv["h2"] > eN.bi.off,
+          msg_error_doc_struct
+          ~ "at level D~\n"
+          ~ an_object[an_object_key]
+        );
+        assert(lv["h3"] > eN.bi.off,
+          msg_error_doc_struct
+          ~ "at level D~\n"
+          ~ an_object[an_object_key]
+        );
+      }
+      break;
+    case "1":
+      if (lv["h4"] == eN.bi.off) {
+        assert(lv["h0"] > eN.bi.off,
+          msg_error_doc_struct
+          ~ "at level 1~\n"
+          ~ an_object[an_object_key]
+        );
+        assert(lv["h5"] == eN.bi.off,
+          msg_error_doc_struct
+          ~ "at level 1~\n"
+          ~ an_object[an_object_key]
+        );
+        assert(lv["h6"] == eN.bi.off,
+          msg_error_doc_struct
+          ~ "at level 1~\n"
+          ~ an_object[an_object_key]
+        );
+        assert(lv["h7"] == eN.bi.off,
+          msg_error_doc_struct
+          ~ "at level 1~\n"
+          ~ an_object[an_object_key]
+        );
+      } else {                      // (lv["h4"] > eN.bi.off)
+        assert(lv["h0"] > eN.bi.off,
+          msg_error_doc_struct
+          ~ "at level 1~\n"
+          ~ an_object[an_object_key]
+        );
+        assert(lv["h4"] > eN.bi.off,
+          msg_error_doc_struct
+          ~ "missing segment level 1~ ?\n"
+          ~ "at level 1~\n"
+          ~ an_object[an_object_key]
+        );
+      }
+      break;
+    case "2":
+      if (lv["h5"] == eN.bi.off) {
+        assert(lv["h0"] > eN.bi.off,
+          msg_error_doc_struct
+          ~ "at level 2~\n"
+          ~ an_object[an_object_key]
+        );
+        assert(lv["h4"] > eN.bi.off,
+          msg_error_doc_struct
+          ~ "missing segment level 1~ ?\n"
+          ~ "at level 2~\n"
+          ~ an_object[an_object_key]
+        );
+        assert(lv["h6"] == eN.bi.off,
+          msg_error_doc_struct
+          ~ "at level 2~\n"
+          ~ an_object[an_object_key]
+        );
+        assert(lv["h7"] == eN.bi.off,
+          msg_error_doc_struct
+          ~ "at level 2~\n"
+          ~ an_object[an_object_key]
+        );
+      } else {                      // (lv["h5"] > eN.bi.off)
+        assert(lv["h0"] > eN.bi.off,
+          msg_error_doc_struct
+          ~ "at level 2~\n"
+          ~ an_object[an_object_key]
+        );
+        assert(lv["h4"] > eN.bi.off,
+          msg_error_doc_struct
+          ~ "missing segment level 1~ ?\n"
+          ~ "at level 2~\n"
+          ~ an_object[an_object_key]
+        );
+        assert(lv["h5"] > eN.bi.off,
+          msg_error_doc_struct
+          ~ "at level 2~\n"
+          ~ an_object[an_object_key]
+        );
+      }
+      break;
+    case "3":
+      if (lv["h6"] == eN.bi.off) {
+        assert(lv["h0"] > eN.bi.off,
+          msg_error_doc_struct
+          ~ "at level 3~\n"
+          ~ an_object[an_object_key]
+        );
+        assert(lv["h4"] > eN.bi.off,
+          msg_error_doc_struct
+          ~ "missing segment level 1~ ?\n"
+          ~ "at level 3~\n"
+          ~ an_object[an_object_key]
+        );
+        assert(lv["h5"] > eN.bi.off,
+          msg_error_doc_struct
+          ~ "missing segment level 2~ ?\n"
+          ~ "at level 3~\n"
+          ~ an_object[an_object_key]
+        );
+        assert(lv["h7"] == eN.bi.off,
+          msg_error_doc_struct
+          ~ "at level 3~\n"
+          ~ an_object[an_object_key]
+        );
+      } else {                      // (lv["h6"] > eN.bi.off)
+        assert(lv["h0"] > eN.bi.off,
+          msg_error_doc_struct
+          ~ "at level 3~\n"
+          ~ an_object[an_object_key]
+        );
+        assert(lv["h4"] > eN.bi.off,
+          msg_error_doc_struct
+          ~ "missing segment level 1~ ?\n"
+          ~ "at level 3~\n"
+          ~ an_object[an_object_key]
+        );
+        assert(lv["h5"] > eN.bi.off,
+          msg_error_doc_struct
+          ~ "at level 3~\n"
+          ~ an_object[an_object_key]
+        );
+        assert(lv["h6"] > eN.bi.off,
+          msg_error_doc_struct
+          ~ "at level 3~\n"
+          ~ an_object[an_object_key]
+        );
+      }
+      break;
+    case "4":
+      if (lv["h7"] == eN.bi.off) {
+        assert(lv["h0"] > eN.bi.off,
+          msg_error_doc_struct
+          ~ "at level 4~\n"
+          ~ an_object[an_object_key]
+        );
+        assert(lv["h4"] > eN.bi.off,
+          msg_error_doc_struct
+          ~ "missing segment level 1~ ?\n"
+          ~ "at level 4~\n"
+          ~ an_object[an_object_key]
+        );
+        assert(lv["h5"] > eN.bi.off,
+          msg_error_doc_struct
+          ~ "missing segment level 2~ ?\n"
+          ~ "at level 4~\n"
+          ~ an_object[an_object_key]
+        );
+        assert(lv["h6"] > eN.bi.off,
+          msg_error_doc_struct
+          ~ "missing segment level 3~ ?\n"
+          ~ "at level 4~\n"
+          ~ an_object[an_object_key]
+        );
+      } else {                      // (lv["h7"] > eN.bi.off)
+        assert(lv["h0"] > eN.bi.off,
+          msg_error_doc_struct
+          ~ "at level 4~\n"
+          ~ an_object[an_object_key]
+        );
+        assert(lv["h4"] > eN.bi.off,
+          msg_error_doc_struct
+          ~ "missing segment level 1~ ?\n"
+          ~ "at level 4~\n"
+          ~ an_object[an_object_key]
+        );
+        assert(lv["h5"] > eN.bi.off,
+          msg_error_doc_struct
+          ~ "at level 4~\n"
+          ~ an_object[an_object_key]
+        );
+        assert(lv["h6"] > eN.bi.off,
+          msg_error_doc_struct
+          ~ "at level 4~\n"
+          ~ an_object[an_object_key]
+        );
+        assert(lv["h7"] > eN.bi.off,
+          msg_error_doc_struct
+          ~ "at level 4~\n"
+          ~ an_object[an_object_key]
+        );
+      }
+      break;
+    default:
+      break;
+    }
+  }
+  // ↑ - assertions
+}
+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();
+  }
+}
diff --git a/src/sisudoc/meta/metadoc_object_setter.d b/src/sisudoc/meta/metadoc_object_setter.d
new file mode 100644
index 0000000..a2ceff6
--- /dev/null
+++ b/src/sisudoc/meta/metadoc_object_setter.d
@@ -0,0 +1,426 @@
+/+
+- Name: SisuDoc Spine, Doc Reform [a part of]
+  - Description: documents, structuring, processing, publishing, search
+    - static content generator
+
+  - Author: Ralph Amissah
+    [ralph.amissah@gmail.com]
+
+  - Copyright: (C) 2015 - 2024 Ralph Amissah, All Rights Reserved.
+
+  - License: AGPL 3 or later:
+
+    Spine (SiSU), a framework for document structuring, publishing and
+    search
+
+    Copyright (C) Ralph Amissah
+
+    This program is free software: you can redistribute it and/or modify it
+    under the terms of the GNU AFERO General Public License as published by the
+    Free Software Foundation, either version 3 of the License, or (at your
+    option) any later version.
+
+    This program is distributed in the hope that it will be useful, but WITHOUT
+    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+    FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+    more details.
+
+    You should have received a copy of the GNU General Public License along with
+    this program. If not, see [https://www.gnu.org/licenses/].
+
+    If you have Internet connection, the latest version of the AGPL should be
+    available at these locations:
+    [https://www.fsf.org/licensing/licenses/agpl.html]
+    [https://www.gnu.org/licenses/agpl.html]
+
+  - Spine (by Doc Reform, related to SiSU) uses standard:
+    - docReform markup syntax
+      - standard SiSU markup syntax with modified headers and minor modifications
+    - docReform object numbering
+      - standard SiSU object citation numbering & system
+
+  - Homepages:
+    [https://www.sisudoc.org]
+    [https://www.doc-reform.org]
+
+  - Git
+    [https://git.sisudoc.org/]
+
++/
+/++
+  object setter:
+  setting of sisu objects for downstream processing
+  metadoc_object_setter.d
++/
+module sisudoc.meta.metadoc_object_setter;
+@safe:
+template ObjectSetter() {
+  /+ structs +/
+  struct DocObj_TxtAttrib_ {
+    int                    indent_base                         = 0;
+    int                    indent_hang                         = 0;
+    bool                   bullet                              = false;
+    string                 language                            = "";
+  }
+  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;
+  }
+  struct DocObj_Table_ {
+    int                    number_of_columns                   = 0;
+    double[]               column_widths                       = [];
+    string[]               column_aligns                       = [];
+    bool                   heading                             = false;
+    bool                   walls                               = false;
+  }
+  struct DocObj_CodeBlock_ {
+    string                 syntax                              = "";
+    bool                   linenumbers                         = false;
+  }
+  struct DocObj_Stow_ {
+    string[]               link                               = [];
+  }
+  struct DocObj_Pointer_ {
+    int                    doc_object                          = 0;
+    int                    html_segnames                       = 0;
+    int                    heading                             = 0;
+  }
+  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                         = [];
+  }
+  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;
+    }
+    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;
+    }
+    string object_number() const @property {
+      return (ocn == 0) ? "" : ocn.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                           = "";
+    int                    o_n_type                             = 0;
+    int                    heading_lev_markup                   = 9;
+    int                    heading_lev_collapsed                = 9;
+    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_descendant_ocn                  = 0;
+  }
+  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;
+  }
+  struct _theDoc {
+    ObjGenericComposite[] toc;
+    ObjGenericComposite[] head;
+    ObjGenericComposite[] body;
+    ObjGenericComposite[] bibliography;
+    ObjGenericComposite[] glossary;
+    ObjGenericComposite[] bookindex;
+    ObjGenericComposite[] blurb;
+    ObjGenericComposite[] endnotes;
+  }
+  struct TheObjects {
+    ObjGenericComposite[] oca;
+  }
+  ObjGenericComposite comp_obj_, comp_obj_location, comp_obj_poem_ocn, comp_obj_comment;
+  ObjGenericComposite[] the_document_toc_section, the_document_head_section, the_document_body_section, the_document_endnotes_section, the_document_bibliography_section, the_document_bookindex_section, the_document_glossary_section, the_document_blurb_section, the_document_xml_dom_tail_section;
+  struct OCNset {
+    int digit;
+    int object_number;
+    bool off;
+    string identifier;
+    int bkidx;
+    int type;
+  }
+  struct ST_endnotes {
+    ObjGenericComposite[] endnotes;
+    OCNset                ocn;
+  }
+  struct ST_bookindex {
+    ObjGenericComposite[] bookindex;
+    OCNset                ocn;
+  }
+  struct ST_biblio_section {
+    ObjGenericComposite[]  bibliography_section;
+    string[string][string] tag_assoc;
+  }
+  struct ST_ancestors {
+    ObjGenericComposite[] the_document_body_section;
+    ObjGenericComposite[] the_document_endnotes_section;
+    ObjGenericComposite[] the_document_glossary_section;
+    ObjGenericComposite[] the_document_bibliography_section;
+    ObjGenericComposite[] the_document_bookindex_section;
+    ObjGenericComposite[] the_document_blurb_section;
+  }
+  struct ST_segnames {
+    string[][string]      segnames;
+    int                   html_segnames_ptr_cntr;
+    int                   html_segnames_ptr;
+  }
+  struct  ST_txtPlusHasFootnotes {
+    string           obj_txt;
+    bool             has_notes_reg;
+    bool             has_notes_star;
+    bool             has_notes_plus;
+  }
+  struct ST_txtPlusHasFootnotesUrlsImages {
+    string           obj_txt;
+    bool             has_notes_reg;
+    bool             has_notes_star;
+    bool             has_notes_plus;
+    bool             has_urls;
+    bool             has_images_without_dimensions;
+  }
+  struct ST_txtAndAnchorTagPlusHasFootnotesUrlsImages {
+    string           obj_txt;
+    string           anchor_tag;
+    bool             has_notes_reg;
+    bool             has_notes_star;
+    bool             has_notes_plus;
+    bool             has_links; // use same name
+    bool             has_images_without_dimensions;
+  }
+  struct ST_the_section {
+    ObjGenericComposite[]  comp_section_obj; // array: the heading has 2 members inserted, paras just 1
+    uint[string]           pith;
+    string[string][string] tag_assoc;        // only for headings: html & epub
+  }
+  // book index variables
+  string book_idx_tmp;
+  string[][string][string] bookindex_unordered_hashes;
+  // node
+  struct ST_txt_by_line_common_reset {
+    int[string]     line_occur;
+    string[string]  this_object;
+    uint[string]    pith;
+  }
+  struct ST_txt_by_line_block_start {
+    uint[string]    pith;
+    uint[string]    dochas;
+    string[string]  object_number_poem;
+  }
+  struct ST_txt_by_line_block_generic {
+    uint[string]    pith;
+    string[string]  this_object;
+  }
+  struct ST_txt_by_line_block_poem {
+    int             cntr;
+    uint[string]    pith;
+    string[string]  this_object;
+  }
+  struct ST_txt_by_line_block_biblio {
+    uint[string]    pith;
+    int             bib_entry;
+    string          biblio_entry_str_json;
+    string[]        biblio_arr_json;
+  }
+  struct ST_flow_book_index {
+    string[string]  this_object;
+    uint[string]    pith;
+    string          book_idx_tmp;
+  }
+  struct ST_flow_heading_found {
+    string[string]       heading_match_str;
+    Regex!(char)[string] heading_match_rgx;
+    uint[string]         pith;
+  }
+  struct ST_flow_heading_make_set {
+    char[]          line;
+    uint[string]    pith;
+    string[string]  this_object;
+  }
+  struct ST_flow_para_match {
+    uint[string]    pith;
+    string[string]  this_object;
+    string          this_object_key;
+    int[string]     indent;
+    bool            bullet;
+    int[string]     line_occur;
+  }
+  struct ST_flow_table_array_munge {
+    ObjGenericComposite table_object;
+    string[][]          table_array;
+  }
+  struct ST_flow_table_of_contents_gather_headings {
+    ObjGenericComposite[] the_document_toc_section;
+    string[][string]      lev4_subtoc;
+  }
+  struct ST_flow_bibliography {
+    JSONValue[] biblio_sorted;
+    JSONValue[] bib_arr_json;
+    string[]    biblio_unsorted_incomplete;
+  }
+  struct ST_flow_table_closed_make_special_notation_table {
+    string[string]        this_object;
+    ObjGenericComposite[] the_document_body_section;
+    OCNset                obj_cite_digits;
+    ObjGenericComposite   comp_obj_;
+    int                   cntr;
+    uint[string]          pith;
+  }
+  struct ST_flow_block_flag_line_empty {
+    string[string]           this_object;
+    ObjGenericComposite[]    the_document_body_section;
+    string[][string][string] bookindex_unordered_hashes;
+    OCNset                   obj_cite_digits;
+    ObjGenericComposite      comp_obj_;
+    int                      cntr;
+    uint[string]             pith;
+  }
+  struct ST_flow_table_substantive_munge {
+    ObjGenericComposite  table_object;
+    string               table_substantive;
+  }
+  struct _loopMarkupSrcByLineStruct {
+    ObjGenericComposite[] toc;
+    ObjGenericComposite[] body;
+    ObjGenericComposite[] glossary;
+    ObjGenericComposite[] blurb;
+    string[string]        object_notes;
+    string[][string]      segnames;
+  }
+  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 OCNtype { ocn, non, bkidx, }
+  enum DomTags { none, open, close, close_and_open, open_still, }
+  enum Substitute { match, markup, }
+  static auto eN() {
+    struct _e {
+      enum bi {
+        off,
+        on,
+      }
+      enum ocn {
+        off,
+        on,
+        closing,
+        bkidx,
+        reset,
+      }
+      enum sect {
+        unset,
+        head,
+        toc,
+        substantive,
+        bibliography,
+        glossary,
+        book_index,
+        blurb,
+      }
+      enum txt_is {
+        off,
+        para,
+        heading,
+      }
+      enum blk_is {
+        off,
+        code,
+        poem,
+        block,
+        group,
+        table,
+        quote,
+      }
+      enum blk_state {
+        off,
+        on,
+        closing,
+      }
+      enum blk_delim {
+        off,
+        curly,
+        tic,
+        curly_special,
+        tic_special,
+      }
+    }
+    return _e();
+  }
+}
diff --git a/src/sisudoc/meta/metadoc_show_config.d b/src/sisudoc/meta/metadoc_show_config.d
new file mode 100644
index 0000000..8a6af5d
--- /dev/null
+++ b/src/sisudoc/meta/metadoc_show_config.d
@@ -0,0 +1,232 @@
+/+
+- Name: SisuDoc Spine, Doc Reform [a part of]
+  - Description: documents, structuring, processing, publishing, search
+    - static content generator
+
+  - Author: Ralph Amissah
+    [ralph.amissah@gmail.com]
+
+  - Copyright: (C) 2015 - 2024 Ralph Amissah, All Rights Reserved.
+
+  - License: AGPL 3 or later:
+
+    Spine (SiSU), a framework for document structuring, publishing and
+    search
+
+    Copyright (C) Ralph Amissah
+
+    This program is free software: you can redistribute it and/or modify it
+    under the terms of the GNU AFERO General Public License as published by the
+    Free Software Foundation, either version 3 of the License, or (at your
+    option) any later version.
+
+    This program is distributed in the hope that it will be useful, but WITHOUT
+    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+    FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+    more details.
+
+    You should have received a copy of the GNU General Public License along with
+    this program. If not, see [https://www.gnu.org/licenses/].
+
+    If you have Internet connection, the latest version of the AGPL should be
+    available at these locations:
+    [https://www.fsf.org/licensing/licenses/agpl.html]
+    [https://www.gnu.org/licenses/agpl.html]
+
+  - Spine (by Doc Reform, related to SiSU) uses standard:
+    - docReform markup syntax
+      - standard SiSU markup syntax with modified headers and minor modifications
+    - docReform object numbering
+      - standard SiSU object citation numbering & system
+
+  - Homepages:
+    [https://www.sisudoc.org]
+    [https://www.doc-reform.org]
+
+  - Git
+    [https://git.sisudoc.org/]
+
++/
+module sisudoc.meta.metadoc_show_config;
+@safe:
+template spineShowSiteConfig() {
+  void spineShowSiteConfig(O,T)(
+    O opt_action,
+    T config,
+  ) {
+    import
+      sisudoc.meta.defaults,
+      sisudoc.meta.rgx;
+    import
+      std.array,
+      std.exception,
+      std.regex,
+      std.stdio,
+      std.string,
+      std.typecons,
+      std.uni,
+      std.utf,
+      std.conv : to;
+    mixin InternalMarkup;
+    auto markup = InlineMarkup();
+    auto char_repeat_number = 66;
+    if (opt_action.show_config) {
+      writefln(
+        "\n%s\n%40-s%10-s\n%40-s%10-s\n%40-s%10-s\n%40-s%10-s\n%40-s%10-s\n%40-s%10-s\n%40-s%10-s\n%40-s%10-s\n%40-s%10-s\n%40-s%10-s\n%40-s%10-s\n%40-s%10-s\n%40-s%10-s\n%40-s%10-s\n%40-s%10-s\n%40-s%10-s\n%40-s%10-s\n%40-s%10-s\n%40-s%10-s\n%40-s%10-s\n%40-s%10-s\n",
+        markup.repeat_character_by_number_provided("-", char_repeat_number),
+        "- webserv host name:",
+        config.conf.w_srv_host,
+        "- webserv doc root (part):",
+        config.conf.w_srv_data_root_part,
+        "- webserv doc path:",
+        config.conf.w_srv_data_root_path,
+        "- webserv images (location):",
+        config.conf.w_srv_images_root_part,
+        "- webserv doc root url:",
+        config.conf.w_srv_data_root_url,
+        "- webserv cgi host (host):",
+        config.conf.w_srv_cgi_host,
+        "- webserv cgi host path:",
+        config.conf.w_srv_cgi_bin_path,
+        "- webserv cgi host (part):",
+        config.conf.w_srv_cgi_bin_subpath,
+        "- webserv cgi search script:",
+        config.conf.w_srv_cgi_search_script,
+        "- webserv cgi search script in d:",
+        config.conf.w_srv_cgi_search_script_raw_fn_d,
+        "- webserv cgi port:",
+        config.conf.w_srv_cgi_port,
+        "- webserv cgi user:",
+        config.conf.w_srv_cgi_user,
+        "- webserv cgi url:",
+        config.conf.w_srv_cgi_bin_url,
+        "- webserv cgi action:",
+        config.conf.w_srv_cgi_action,
+        "- webserv cgi title:",
+        config.conf.w_srv_cgi_search_form_title,
+        // "- webserv cgi file links:",
+        // config.conf.w_srv_cgi_file_links,
+        "- webserv sqlite db:",
+        config.conf.w_srv_db_sqlite_filename,
+        "- output path:",
+        config.conf.output_path,
+        "- processing concordance max:",
+        config.conf.processing_concord_max,
+        // "- flag act0:",
+        // config.conf.flag_act0,
+        "- default papersize:",
+        config.conf.set_papersize,
+        "- default text wrap:",
+        config.conf.set_text_wrap,
+        "- default emphasis markup symbol:",
+        config.conf.set_emphasis,
+        "- default language:",
+        config.conf.set_language,
+        "- default hash digest:",
+        config.conf.set_digest,
+        "- search flag:",
+        config.conf.search_flag,
+        "- search action:",
+        config.conf.search_action,
+        "- search db:",
+        config.conf.search_db,
+        "- search title:",
+        config.conf.search_title,
+      );
+    }
+  }
+}
+template spineShowConfig() {
+  void spineShowConfig(T)(
+    T  doc_matters,
+  ) {
+    import
+      sisudoc.meta.defaults,
+      sisudoc.meta.rgx;
+    import
+      std.array,
+      std.exception,
+      std.regex,
+      std.stdio,
+      std.string,
+      std.typecons,
+      std.uni,
+      std.utf,
+      std.conv : to;
+    mixin InternalMarkup;
+    auto markup = InlineMarkup();
+    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;
+    if (doc_matters.opt.action.show_config
+      && doc_matters.opt.action.debug_do
+    ) {
+      writeln(doc_matters.conf_make_meta.conf);
+    }
+    if (doc_matters.opt.action.show_config) {
+      writefln(
+        "%s\n\"%s\", %s\n%s\n%s\n%40-s%10-s\n%40-s%10-s\n%40-s%10-s\n%40-s%10-s\n%40-s%10-s\n%40-s%10-s\n%40-s%10-s\n%40-s%10-s\n%40-s%10-s\n%40-s%10-s\n%40-s%10-s\n%40-s%10-s\n%40-s%10-s\n%40-s%10-s\n%40-s%10-s\n%40-s%10-s\n%40-s%10-s\n%40-s%10-s\n",
+        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,
+        markup.repeat_character_by_number_provided("-", char_repeat_number),
+        "- webserv host name:",
+        doc_matters.conf_make_meta.conf.w_srv_host,
+        "- webserv doc root (part):",
+        doc_matters.conf_make_meta.conf.w_srv_data_root_part,
+        "- webserv doc path:",
+        doc_matters.conf_make_meta.conf.w_srv_data_root_path,
+        "- webserv images (location):",
+        doc_matters.conf_make_meta.conf.w_srv_images_root_part,
+        "- webserv doc root url:",
+        doc_matters.conf_make_meta.conf.w_srv_data_root_url,
+        "- webserv cgi host (host):",
+        doc_matters.conf_make_meta.conf.w_srv_cgi_host,
+        "- webserv cgi host path:",
+        doc_matters.conf_make_meta.conf.w_srv_cgi_bin_path,
+        "- webserv cgi host (part):",
+        doc_matters.conf_make_meta.conf.w_srv_cgi_bin_subpath,
+        "- webserv cgi search script:",
+        doc_matters.conf_make_meta.conf.w_srv_cgi_search_script,
+        "- webserv cgi search script in d:",
+        doc_matters.conf_make_meta.conf.w_srv_cgi_search_script_raw_fn_d,
+        "- webserv cgi url:",
+        doc_matters.conf_make_meta.conf.w_srv_cgi_bin_url,
+        "- webserv cgi action:",
+        doc_matters.conf_make_meta.conf.w_srv_cgi_action,
+        // "- webserv cgi file links:",
+        // doc_matters.conf_make_meta.conf.w_srv_cgi_file_links,
+        "- webserv sqlite db:",
+        doc_matters.conf_make_meta.conf.w_srv_db_sqlite_filename,
+        "- output path:",
+        doc_matters.conf_make_meta.conf.output_path,
+        "- processing concordance max:",
+        doc_matters.conf_make_meta.conf.processing_concord_max,
+        // "- flag act0:",
+        // doc_matters.conf_make_meta.conf.flag_act0,
+        "- default papersize:",
+        doc_matters.conf_make_meta.conf.set_papersize,
+        "- default text wrap:",
+        doc_matters.conf_make_meta.conf.set_text_wrap,
+        "- default emphasis markup symbol:",
+        doc_matters.conf_make_meta.conf.set_emphasis,
+        "- default language:",
+        doc_matters.conf_make_meta.conf.set_language,
+        "- default hash digest:",
+        doc_matters.conf_make_meta.conf.set_digest,
+        "- search flag:",
+        doc_matters.conf_make_meta.conf.search_flag,
+        "- search action:",
+        doc_matters.conf_make_meta.conf.search_action,
+        "- search db:",
+        doc_matters.conf_make_meta.conf.search_db,
+        "- search title:",
+        doc_matters.conf_make_meta.conf.search_title,
+      );
+    }
+  }
+}
diff --git a/src/sisudoc/meta/metadoc_show_make.d b/src/sisudoc/meta/metadoc_show_make.d
new file mode 100644
index 0000000..817f5dc
--- /dev/null
+++ b/src/sisudoc/meta/metadoc_show_make.d
@@ -0,0 +1,123 @@
+/+
+- Name: SisuDoc Spine, Doc Reform [a part of]
+  - Description: documents, structuring, processing, publishing, search
+    - static content generator
+
+  - Author: Ralph Amissah
+    [ralph.amissah@gmail.com]
+
+  - Copyright: (C) 2015 - 2024 Ralph Amissah, All Rights Reserved.
+
+  - License: AGPL 3 or later:
+
+    Spine (SiSU), a framework for document structuring, publishing and
+    search
+
+    Copyright (C) Ralph Amissah
+
+    This program is free software: you can redistribute it and/or modify it
+    under the terms of the GNU AFERO General Public License as published by the
+    Free Software Foundation, either version 3 of the License, or (at your
+    option) any later version.
+
+    This program is distributed in the hope that it will be useful, but WITHOUT
+    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+    FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+    more details.
+
+    You should have received a copy of the GNU General Public License along with
+    this program. If not, see [https://www.gnu.org/licenses/].
+
+    If you have Internet connection, the latest version of the AGPL should be
+    available at these locations:
+    [https://www.fsf.org/licensing/licenses/agpl.html]
+    [https://www.gnu.org/licenses/agpl.html]
+
+  - Spine (by Doc Reform, related to SiSU) uses standard:
+    - docReform markup syntax
+      - standard SiSU markup syntax with modified headers and minor modifications
+    - docReform object numbering
+      - standard SiSU object citation numbering & system
+
+  - Homepages:
+    [https://www.sisudoc.org]
+    [https://www.doc-reform.org]
+
+  - Git
+    [https://git.sisudoc.org/]
+
++/
+module sisudoc.meta.metadoc_show_make;
+@safe:
+template spineShowMake() {
+  void spineShowMake(T)(
+    T  doc_matters,
+  ) {
+    import
+      sisudoc.meta.defaults,
+      sisudoc.meta.rgx;
+    import
+      std.array,
+      std.exception,
+      std.regex,
+      std.stdio,
+      std.string,
+      std.typecons,
+      std.uni,
+      std.utf,
+      std.conv : to;
+    mixin InternalMarkup;
+    auto markup = InlineMarkup();
+    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;
+    if (doc_matters.opt.action.show_make
+      && doc_matters.opt.action.debug_do
+    ) {
+      writeln(doc_matters.conf_make_meta.make);
+    }
+    if (doc_matters.opt.action.show_make) {
+      writefln(
+        "%s\n\"%s\", %s\n%s\n%s\n%40-s%10-s\n%40-s%10-s\n%40-s%10-s\n%40-s%10-s\n%40-s%10-s\n%40-s%10-s\n%40-s%10-s\n%40-s%10-s\n%40-s%10-s\n%40-s%10-s\n%40-s%10-s\n%40-s%10-s\n%40-s%10-s\n%40-s%10-s\n%40-s%10-s\n",
+        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,
+        markup.repeat_character_by_number_provided("-", char_repeat_number),
+        "- bold:",
+        doc_matters.conf_make_meta.make.bold,
+        "- breaks:",
+        doc_matters.conf_make_meta.make.breaks,
+        "- cover image:",
+        doc_matters.conf_make_meta.make.cover_image,
+        "- css:",
+        doc_matters.conf_make_meta.make.css,
+        "- emphasis:",
+        doc_matters.conf_make_meta.make.emphasis,
+        "- css:",
+        doc_matters.conf_make_meta.make.css,
+        "- footer:",
+        doc_matters.conf_make_meta.make.footer,
+        "- headings:",
+        doc_matters.conf_make_meta.make.headings,
+        "- home button image:",
+        doc_matters.conf_make_meta.make.home_button_image,
+        "- home button text:",
+        doc_matters.conf_make_meta.make.home_button_text,
+        "- italics:",
+        doc_matters.conf_make_meta.make.italics,
+        "- auto num top at level:",
+        doc_matters.conf_make_meta.make.auto_num_top_at_level,
+        "- auto num top level:",
+        doc_matters.conf_make_meta.make.auto_num_top_lv,
+        "- auto num depth:",
+        doc_matters.conf_make_meta.make.auto_num_depth,
+        "- texpdf font:",
+        doc_matters.conf_make_meta.make.texpdf_font,
+      );
+    }
+  }
+}
diff --git a/src/sisudoc/meta/metadoc_show_metadata.d b/src/sisudoc/meta/metadoc_show_metadata.d
new file mode 100644
index 0000000..320f28b
--- /dev/null
+++ b/src/sisudoc/meta/metadoc_show_metadata.d
@@ -0,0 +1,171 @@
+/+
+- Name: SisuDoc Spine, Doc Reform [a part of]
+  - Description: documents, structuring, processing, publishing, search
+    - static content generator
+
+  - Author: Ralph Amissah
+    [ralph.amissah@gmail.com]
+
+  - Copyright: (C) 2015 - 2024 Ralph Amissah, All Rights Reserved.
+
+  - License: AGPL 3 or later:
+
+    Spine (SiSU), a framework for document structuring, publishing and
+    search
+
+    Copyright (C) Ralph Amissah
+
+    This program is free software: you can redistribute it and/or modify it
+    under the terms of the GNU AFERO General Public License as published by the
+    Free Software Foundation, either version 3 of the License, or (at your
+    option) any later version.
+
+    This program is distributed in the hope that it will be useful, but WITHOUT
+    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+    FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+    more details.
+
+    You should have received a copy of the GNU General Public License along with
+    this program. If not, see [https://www.gnu.org/licenses/].
+
+    If you have Internet connection, the latest version of the AGPL should be
+    available at these locations:
+    [https://www.fsf.org/licensing/licenses/agpl.html]
+    [https://www.gnu.org/licenses/agpl.html]
+
+  - Spine (by Doc Reform, related to SiSU) uses standard:
+    - docReform markup syntax
+      - standard SiSU markup syntax with modified headers and minor modifications
+    - docReform object numbering
+      - standard SiSU object citation numbering & system
+
+  - Homepages:
+    [https://www.sisudoc.org]
+    [https://www.doc-reform.org]
+
+  - Git
+    [https://git.sisudoc.org/]
+
++/
+module sisudoc.meta.metadoc_show_metadata;
+@safe:
+template spineShowMetaData() {
+  void spineShowMetaData(T)(
+    T  doc_matters,
+  ) {
+    import
+      sisudoc.meta.defaults,
+      sisudoc.meta.rgx;
+    import
+      std.array,
+      std.exception,
+      std.regex,
+      std.stdio,
+      std.string,
+      std.typecons,
+      std.uni,
+      std.utf,
+      std.conv : to;
+    mixin InternalMarkup;
+    auto markup = InlineMarkup();
+    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;
+    if (doc_matters.opt.action.show_metadata
+      && doc_matters.opt.action.debug_do
+    ) {
+      writeln(doc_matters.conf_make_meta.meta);
+    }
+    if (doc_matters.opt.action.show_metadata) {
+      writefln(
+        "%s\n\"%s\", %s\n%s\n%s\n%40-s%10-s\n%40-s%10-s\n%40-s%10-s\n%40-s%10-s\n%40-s%10-s\n%40-s%10-s\n%40-s%10-s\n%40-s%10-s\n%40-s%10-s\n%40-s%10-s\n%40-s%10-s\n%40-s%10-s\n%40-s%10-s\n%40-s%10-s\n%40-s%10-s\n%40-s%10-s\n%40-s%10-s\n%40-s%10-s\n%40-s%10-s\n%40-s%10-s\n%40-s%10-s\n%40-s%10-s\n%40-s%10-s\n%40-s%10-s\n%40-s%10-s\n%40-s%10-s\n%40-s%10-s\n%40-s%10-s\n%40-s%10-s\n%40-s%10-s\n%40-s%10-s\n%40-s%10-s\n%40-s%10-s\n%40-s%10-s\n%40-s%10-s\n%40-s%10-s\n%40-s%10-s\n%40-s%10-s\n",
+        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,
+        markup.repeat_character_by_number_provided("-", char_repeat_number),
+        "- author:",
+        doc_matters.conf_make_meta.meta.creator_author,
+        "- author array:",
+        doc_matters.conf_make_meta.meta.creator_author_arr,
+        "- author surname:",
+        doc_matters.conf_make_meta.meta.creator_author_surname,
+        "- author email:",
+        doc_matters.conf_make_meta.meta.creator_author_email,
+        "- illustrator:",
+        doc_matters.conf_make_meta.meta.creator_illustrator,
+        "- translator:",
+        doc_matters.conf_make_meta.meta.creator_translator,
+        "- title full:",
+        doc_matters.conf_make_meta.meta.title_full,
+        "- title main:",
+        doc_matters.conf_make_meta.meta.title_main,
+        "- title sub:",
+        doc_matters.conf_make_meta.meta.title_subtitle,
+        "- title edition:",
+        doc_matters.conf_make_meta.meta.title_edition,
+        "- title language:",
+        doc_matters.conf_make_meta.meta.title_language,
+        "- title note:",
+        doc_matters.conf_make_meta.meta.title_note,
+        "- classify dewey:",
+        doc_matters.conf_make_meta.meta.classify_dewey,
+        "- classify library of congress:",
+        doc_matters.conf_make_meta.meta.classify_loc,
+        "- classify keywords:",
+        doc_matters.conf_make_meta.meta.classify_keywords,
+        "- classify topic register:",
+        doc_matters.conf_make_meta.meta.classify_topic_register,
+        "- date added to site:",
+        doc_matters.conf_make_meta.meta.date_added_to_site,
+        "- date available:",
+        doc_matters.conf_make_meta.meta.date_available,
+        "- date created:",
+        doc_matters.conf_make_meta.meta.date_created,
+        "- date issued:",
+        doc_matters.conf_make_meta.meta.date_issued,
+        "- date modified:",
+        doc_matters.conf_make_meta.meta.date_modified,
+        "- date published:",
+        doc_matters.conf_make_meta.meta.date_published,
+        "- date valid:",
+        doc_matters.conf_make_meta.meta.date_valid,
+        // links
+        "- notes abstract:",
+        doc_matters.conf_make_meta.meta.notes_abstract,
+        "- notes description:",
+        doc_matters.conf_make_meta.meta.notes_description,
+        "- original language:",
+        doc_matters.conf_make_meta.meta.original_language,
+        "- original language character:",
+        doc_matters.conf_make_meta.meta.original_language_char,
+        "- original source:",
+        doc_matters.conf_make_meta.meta.original_source,
+        "- original title:",
+        doc_matters.conf_make_meta.meta.original_title,
+        // publisher
+        "- rights copyright:",
+        doc_matters.conf_make_meta.meta.rights_copyright,
+        "- rights copyright text:",
+        doc_matters.conf_make_meta.meta.rights_copyright_text,
+        "- rights copyright audio:",
+        doc_matters.conf_make_meta.meta.rights_copyright_audio,
+        "- rights copyright cover:",
+        doc_matters.conf_make_meta.meta.rights_copyright_cover,
+        "- rights copyright illustrations:",
+        doc_matters.conf_make_meta.meta.rights_copyright_illustrations,
+        "- rights copyright photographs:",
+        doc_matters.conf_make_meta.meta.rights_copyright_photographs,
+        "- rights copyright translation:",
+        doc_matters.conf_make_meta.meta.rights_copyright_translation,
+        "- rights copyright video:",
+        doc_matters.conf_make_meta.meta.rights_copyright_video,
+        "- rights license:",
+        doc_matters.conf_make_meta.meta.rights_license,
+      );
+    }
+  }
+}
diff --git a/src/sisudoc/meta/metadoc_show_summary.d b/src/sisudoc/meta/metadoc_show_summary.d
new file mode 100644
index 0000000..379a1a7
--- /dev/null
+++ b/src/sisudoc/meta/metadoc_show_summary.d
@@ -0,0 +1,162 @@
+/+
+- Name: SisuDoc Spine, Doc Reform [a part of]
+  - Description: documents, structuring, processing, publishing, search
+    - static content generator
+
+  - Author: Ralph Amissah
+    [ralph.amissah@gmail.com]
+
+  - Copyright: (C) 2015 - 2024 Ralph Amissah, All Rights Reserved.
+
+  - License: AGPL 3 or later:
+
+    Spine (SiSU), a framework for document structuring, publishing and
+    search
+
+    Copyright (C) Ralph Amissah
+
+    This program is free software: you can redistribute it and/or modify it
+    under the terms of the GNU AFERO General Public License as published by the
+    Free Software Foundation, either version 3 of the License, or (at your
+    option) any later version.
+
+    This program is distributed in the hope that it will be useful, but WITHOUT
+    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+    FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+    more details.
+
+    You should have received a copy of the GNU General Public License along with
+    this program. If not, see [https://www.gnu.org/licenses/].
+
+    If you have Internet connection, the latest version of the AGPL should be
+    available at these locations:
+    [https://www.fsf.org/licensing/licenses/agpl.html]
+    [https://www.gnu.org/licenses/agpl.html]
+
+  - Spine (by Doc Reform, related to SiSU) uses standard:
+    - docReform markup syntax
+      - standard SiSU markup syntax with modified headers and minor modifications
+    - docReform object numbering
+      - standard SiSU object citation numbering & system
+
+  - Homepages:
+    [https://www.sisudoc.org]
+    [https://www.doc-reform.org]
+
+  - Git
+    [https://git.sisudoc.org/]
+
++/
+module sisudoc.meta.metadoc_show_summary;
+@safe:
+template spineMetaDocSummary() {
+  void spineMetaDocSummary(S,T)(
+    const S  doc_abstraction,
+          T  doc_matters,
+  ) {
+    import
+      sisudoc.meta.defaults,
+      sisudoc.meta.rgx;
+    import
+      std.array,
+      std.exception,
+      std.regex,
+      std.stdio,
+      std.string,
+      std.typecons,
+      std.uni,
+      std.utf,
+      std.conv : to;
+    mixin InternalMarkup;
+    auto markup = InlineMarkup();
+    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;
+    if (doc_matters.opt.action.vox_gt1
+    || doc_matters.opt.action.show_summary) {
+      string[string] check = [
+        "last_object_number" : "NA [debug \"checkdoc\" not run]",
+        "last_object_number_body"  : "0",
+        "last_object_number_book_index" : "0",
+      ];
+      foreach (k; doc_matters.has.keys_seq.seg) {
+        foreach (obj; doc_abstraction[k]) {
+          if (obj.metainfo.is_of_part != "empty") {
+            if (!empty(obj.metainfo.object_number)) {
+              if (k == "body") {
+                check["last_object_number_body"] = obj.metainfo.object_number;
+              }
+              if (!(obj.metainfo.object_number.empty)) {
+                check["last_object_number"] = obj.metainfo.object_number;
+              }
+            }
+            if (k == "bookindex") {
+              if (obj.metainfo.object_number_type == 2) {
+                check["last_object_number_book_index"] = obj.metainfo.object_number_book_index;
+              }
+            }
+          }
+        }
+      }
+      writefln(
+        "%s\n\"%s\", %s\n%s [%s]\n%s\n%40-s%10-d\n%40-s%10-d\n%40-s%10-d\n%40-s%10-d\n%40-s%10-d\n%40-s%10-d\n%40-s%10-d\n%40-s%10-d\n%40-s%10-d\n%40-s%10-d\n%40-s%10-d\n%40-s%10-d\n%40-s%10-d\n%40-s%10-d\n%40-s%10-d\n%40-s%10-d\n%40-s%10-d\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.src.language,
+        markup.repeat_character_by_number_provided("-", char_repeat_number),
+        "- toc arr length:",
+        to!int(doc_abstraction["toc"].length),
+        "- doc_abstraction arr length:",
+        to!int(doc_abstraction["body"].length),
+        "  doc body last obj on.#:",
+        to!int(check["last_object_number_body"]),
+        "  - number of tables:",
+        doc_matters.has.tables,
+        "  - number of codeblocks:",
+        doc_matters.has.codeblocks,
+        "  - number of poems:",
+        doc_matters.has.poems,
+        "  - number of blocks:",
+        doc_matters.has.blocks,
+        "  - number of groups:",
+        doc_matters.has.groups,
+        "  - number of images:",
+        doc_matters.has.images,
+        "- endnotes length:",                                // subtract headings
+        (doc_abstraction["endnotes"].length > 2)
+        ? (to!int(doc_abstraction["endnotes"].length - 2))
+        : 0,
+        "- glossary length:",
+        (doc_abstraction["glossary"].length > 1)
+        ? (to!int(doc_abstraction["glossary"].length))
+        : 0,
+        "- biblio length:",
+        (doc_abstraction["bibliography"].length > 1)
+        ? (to!int(doc_abstraction["bibliography"].length))
+        : 0,
+        "- bookindex length:",
+        (doc_abstraction["bookindex"].length > 1)
+        ? (to!int(doc_abstraction["bookindex"].length))
+        : 0,
+        "  book idx last obj on.#:",
+        to!int(check["last_object_number_book_index"]),
+        "- blurb length:",
+        (doc_abstraction["blurb"].length > 1)
+        ? (to!int(doc_abstraction["blurb"].length))
+        : 0,
+        "* last obj on.#:",
+        to!int(check["last_object_number"]),
+        "number of segments:",
+        (doc_matters.has.segnames_lv4.length > 1)
+        ? (to!int(doc_matters.has.segnames_lv4.length))
+        : 0,
+        markup.repeat_character_by_number_provided("-", min_repeat_number),
+      );
+    }
+  }
+}
diff --git a/src/sisudoc/meta/package.d b/src/sisudoc/meta/package.d
new file mode 100644
index 0000000..1926eb6
--- /dev/null
+++ b/src/sisudoc/meta/package.d
@@ -0,0 +1,64 @@
+/+
+- Name: SisuDoc Spine, Doc Reform [a part of]
+  - Description: documents, structuring, processing, publishing, search
+    - static content generator
+
+  - Author: Ralph Amissah
+    [ralph.amissah@gmail.com]
+
+  - Copyright: (C) 2015 - 2024 Ralph Amissah, All Rights Reserved.
+
+  - License: AGPL 3 or later:
+
+    Spine (SiSU), a framework for document structuring, publishing and
+    search
+
+    Copyright (C) Ralph Amissah
+
+    This program is free software: you can redistribute it and/or modify it
+    under the terms of the GNU AFERO General Public License as published by the
+    Free Software Foundation, either version 3 of the License, or (at your
+    option) any later version.
+
+    This program is distributed in the hope that it will be useful, but WITHOUT
+    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+    FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+    more details.
+
+    You should have received a copy of the GNU General Public License along with
+    this program. If not, see [https://www.gnu.org/licenses/].
+
+    If you have Internet connection, the latest version of the AGPL should be
+    available at these locations:
+    [https://www.fsf.org/licensing/licenses/agpl.html]
+    [https://www.gnu.org/licenses/agpl.html]
+
+  - Spine (by Doc Reform, related to SiSU) uses standard:
+    - docReform markup syntax
+      - standard SiSU markup syntax with modified headers and minor modifications
+    - docReform object numbering
+      - standard SiSU object citation numbering & system
+
+  - Homepages:
+    [https://www.sisudoc.org]
+    [https://www.doc-reform.org]
+
+  - Git
+    [https://git.sisudoc.org/]
+
++/
+module sisudoc.meta;
+public import
+  sisudoc.meta.defaults;
+/+ std +/
+public import
+  std.array,
+  std.exception,
+  std.range,
+  std.regex,
+  std.stdio,
+  std.string,
+  std.typecons,
+  // std.uni,
+  std.utf,
+  std.conv : to;
diff --git a/src/sisudoc/meta/rgx.d b/src/sisudoc/meta/rgx.d
new file mode 100644
index 0000000..0b5f9f0
--- /dev/null
+++ b/src/sisudoc/meta/rgx.d
@@ -0,0 +1,270 @@
+/+
+- Name: SisuDoc Spine, Doc Reform [a part of]
+  - Description: documents, structuring, processing, publishing, search
+    - static content generator
+
+  - Author: Ralph Amissah
+    [ralph.amissah@gmail.com]
+
+  - Copyright: (C) 2015 - 2024 Ralph Amissah, All Rights Reserved.
+
+  - License: AGPL 3 or later:
+
+    Spine (SiSU), a framework for document structuring, publishing and
+    search
+
+    Copyright (C) Ralph Amissah
+
+    This program is free software: you can redistribute it and/or modify it
+    under the terms of the GNU AFERO General Public License as published by the
+    Free Software Foundation, either version 3 of the License, or (at your
+    option) any later version.
+
+    This program is distributed in the hope that it will be useful, but WITHOUT
+    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+    FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+    more details.
+
+    You should have received a copy of the GNU General Public License along with
+    this program. If not, see [https://www.gnu.org/licenses/].
+
+    If you have Internet connection, the latest version of the AGPL should be
+    available at these locations:
+    [https://www.fsf.org/licensing/licenses/agpl.html]
+    [https://www.gnu.org/licenses/agpl.html]
+
+  - Spine (by Doc Reform, related to SiSU) uses standard:
+    - docReform markup syntax
+      - standard SiSU markup syntax with modified headers and minor modifications
+    - docReform object numbering
+      - standard SiSU object citation numbering & system
+
+  - Homepages:
+    [https://www.sisudoc.org]
+    [https://www.doc-reform.org]
+
+  - Git
+    [https://git.sisudoc.org/]
+
++/
+/++
+  regex: regular expressions used in sisu document parser
++/
+module sisudoc.meta.rgx;
+@safe:
+static template spineRgxIn() {
+  static struct RgxI {
+    /+ misc +/
+    static flag_action                                    = ctRegex!(`^(--[a-z][a-z0-9-]+)$`);
+    static within_quotes                                  = ctRegex!(`"(.+?)"`, "m");
+    static make_heading_delimiter                         = ctRegex!(`[;][ ]*`);
+    static arr_delimiter                                  = ctRegex!(`[ ]*[;][ ]*`);
+    static name_delimiter                                 = ctRegex!(`^([^,]+)[ ]*,[ ]+(.+?)$`);
+    static book_index_go                                  = ctRegex!("(?P(?P[0-9]+)(?:-[0-9]+)?)");
+    static trailing_comma                                 = ctRegex!(",[ ]*$");
+    static trailing_linebreak                             = ctRegex!(",[ ]{1,2}\\\\\\\\\n[ ]{4}$","m");
+    static newline_eol_strip_preceding                    = ctRegex!("[ ]*\n");
+    static newline_eol_delimiter_only                     = ctRegex!("^\n");
+    static markup_inline_linebreak                        = ctRegex!(`\s*\\\\s*`, "m");
+    static para_delimiter                                 = ctRegex!("\n[ ]*\n+");
+    static table_col_delimiter                            = ctRegex!("[ ]*\n+", "mg");
+    static table_row_delimiter                            = ctRegex!("\n[ ]*\n+", "mg");
+    static table_row_delimiter_special                    = ctRegex!("[ ]*\n", "mg");
+    static table_col_delimiter_special                    = ctRegex!("[ ]*[|][ ]*", "mg");
+    static levels_numbered                                = ctRegex!(`^[0-9]$`);
+    static levels_numbered_headings                       = ctRegex!(`^[0-7]$`);
+    static numeric_col                                    = ctRegex!(`^[ 0-9,.%$£₤Є€€¥()-]+$`);
+    /+ comments +/
+    static comment                                        = ctRegex!(`^%+ `);
+    /+ header +/
+    /+ header +/
+    static variable_doc_title_author_date           = ctRegex!(`@title-author-date`);
+    static variable_doc_title_author                = ctRegex!(`@title-author`);
+    static variable_doc_title                       = ctRegex!(`@title`);
+    static variable_doc_author                      = ctRegex!(`@author|@creator`);
+    static variable_doc_date                        = ctRegex!(`@date`);
+    static raw_author_munge                         = ctRegex!(`(?P\S.+?),\s+(?P.+)`,"i");
+    static yaml_config                              = ctRegex!(`^[a-z]+\s*:\s*(?:"?\w|$)`, "m");
+    /+ heading operators +/
+    static heading_a                                = ctRegex!(`^:?[A][~] `, "m");
+    static heading                                  = ctRegex!(`^:?([A-D1-4])[~]([a-z0-9_.-]*[?]?)\s+`,"i");
+    static headings                                 = ctRegex!(`^:?(?P[A-D1-4])[~](?:[a-z0-9_.-]*[?]?|[!](?:glossary|bibliogrphy|biblio|references?|blurb))(?:\s|$)`,"i");
+    static heading_seg_and_above                    = ctRegex!(`^:?([A-D1])[~]([a-z0-9_.-]*[?]?)\s+`,"i");
+    static heading_anchor_tag                       = ctRegex!(`^:?[A-D1-4][~](?P[a-z0-9_.-]+) `,"i");
+    static heading_identify_anchor_tag              = ctRegex!(`^:?[A-D1-4][~]\s+(?:(?:(?:chapter|article|section|clause)\s+[0-9.]+)|(?:[0-9]+))`,"i");
+    static heading_extract_named_anchor_tag         = ctRegex!(`^:?[A-D1-4][~]\s+(chapter|article|section|clause)\s+((?:[0-9]+[.:])*[0-9]+)(?=[.:;, ]|$)`,"i");
+    static heading_extract_unnamed_anchor_tag       = ctRegex!(`^:?[A-D1-4][~]\s+((?:[0-9]+.)*[0-9]+)(?=[.:;, ]|$)`);
+    static heading_marker_missing_tag               = ctRegex!(`^:?([A-D1-4])[~] `);
+    static heading_anchor_tag_plus_colon            = ctRegex!(`^:?([A-D1-4][~])([a-z0-9_.:-]+) `,"i");
+    static heading_marker_tag_has_colon             = ctRegex!(`([:])`);
+    static heading_biblio                           = ctRegex!(`^1[~][!](biblio(?:graphy)?|references?)`);
+    static heading_glossary                         = ctRegex!(`^1[~][!](glossary)`);
+    static heading_blurb                            = ctRegex!(`^1[~][!](blurb)`);
+    /+ paragraph operators +/
+    static para_bullet                              = ctRegex!(`^_[*] `);
+    static para_bullet_indent                       = ctRegex!(`^_(?P[1-9])[*] `);
+    static para_indent                              = ctRegex!(`^_(?P[1-9])[ ]`);
+    static para_indent_hang                         = ctRegex!(`^_(?P[0-9])_(?P[0-9])[ ]`);
+    static para_attribs                             = ctRegex!(`^_(?:(?:[0-9])(?:_([0-9]))?|(?:[1-9])?[*]) `);
+    static para_inline_link_anchor                  = ctRegex!(`\*[~](?P[a-z0-9_.-]+)(?= |$)`,"i");
+    /+ blocked markup +/
+    static block_open                               = ctRegex!("^((code(?:[.][a-z][0-9a-z#+_]+)?|(?:poem|group|block|quote)(?:[.][a-z][0-9a-z_]+)?|table)(?:[(][ a-zA-Z0-9;:,]*[)])?[{][ ]*$)|^`{3} (code(?:[.][a-z][0-9a-z#+_]+)?|(?:poem|group|block|quote)(?:[.][a-z][0-9a-z_]+)?|table)(?:[(][ a-zA-Z0-9;:,]*[)])?|^[{]table[(](?:h;)?(?P(?:[ ,]+[0-9]+)+)[)][}]");
+    static block_poem_open                          = ctRegex!("^((poem(?:[(][ a-zA-Z0-9;:,]*[)])?[{][ ]*$)|`{3} poem(?:[(][ a-zA-Z0-9;:,]*[)])?)");
+    /+ blocked markup tics +/
+    static block_tic_code_open                      = ctRegex!("^`{3} code(?:[.](?P[a-z][0-9a-z#+_]+))?(?:[(](?P[ a-zA-Z0-9;:,]*)[)])?");
+    static block_tic_poem_open                      = ctRegex!("^`{3} poem(?:[.](?P[a-z][0-9a-z_]+))?(?:[(](?P[ a-zA-Z0-9;:,]*)[)])?");
+    static block_tic_group_open                     = ctRegex!("^`{3} group(?:[.](?P[a-z][0-9a-z_]+))?(?:[(](?P[ a-zA-Z0-9;:,]*)[)])?");
+    static block_tic_block_open                     = ctRegex!("^`{3} block(?:[.](?P[a-z][0-9a-z_]+))?(?:[(](?P[ a-zA-Z0-9;:,]*)[)])?");
+    static block_tic_quote_open                     = ctRegex!("^`{3} quote(?:[.](?P[a-z][0-9a-z_]+))?(?:[(](?P[ a-zA-Z0-9;:,]*)[)])?");
+    static block_tic_table_open                     = ctRegex!("^`{3} table(?:[(](?P[ a-zA-Z0-9;:,]*)[)])?"); // ctRegex!("^`{3} table(?:\(.*?\))?");
+    static block_tic_close                          = ctRegex!("^(`{3})$","m");
+    /+ blocked markup curly +/
+    static block_curly_code_open                    = ctRegex!(`^(?:code(?:[.](?P[a-z][0-9a-z_]+))?(?:[(](?P[ a-zA-Z0-9;:,]*)[)])?[{][ ]*$)`);
+    static block_curly_code_close                   = ctRegex!(`^([}]code)`);
+    static block_curly_poem_open                    = ctRegex!(`^(poem(?:[.](?P[a-z][0-9a-z_]+))?(?:[(](?P[ a-zA-Z0-9;:,]*)[)])?[{][ ]*$)`);
+    static block_curly_poem_close                   = ctRegex!(`^([}]poem)`);
+    static block_curly_group_open                   = ctRegex!(`^(group(?:[.](?P[a-z][0-9a-z_]+))?(?:[(](?P[ a-zA-Z0-9;:,]*)[)])?[{][ ]*$)`);
+    static block_curly_group_close                  = ctRegex!(`^([}]group)`);
+    static block_curly_block_open                   = ctRegex!(`^(block(?:[.](?P[a-z][0-9a-z_]+))?(?:[(](?P[ a-zA-Z0-9;:,]*)[)])?[{][ ]*$)`);
+    static block_curly_block_close                  = ctRegex!(`^([}]block)`);
+    static block_curly_quote_open                   = ctRegex!(`^(quote(?:[.](?P[a-z][0-9a-z_]+))?(?:[(](?P[ a-zA-Z0-9;:,]*)[)])?[{][ ]*$)`);
+    static block_curly_quote_close                  = ctRegex!(`^([}]quote)`);
+    static block_curly_table_open                   = ctRegex!(`^table(?:[(](?P[ a-zA-Z0-9;:,]*)[)])?[{][ ]*$`);
+    static block_curly_table_close                  = ctRegex!(`^([}]table)`);
+    static block_curly_table_special_markup         = ctRegex!(`^[{]table[(](?P(?:(h);)?(?P(?:[, ]+[0-9]+)+))[)][}]`, "mg");
+    static code_numbering                           = ctRegex!(`(?P\blinenumber\b|\bnumber\b|\blnr\b)`);
+    static table_head_instructions                  = ctRegex!(`(?:(?Ph);)?(?:[ ]+c(?P[0-9]):)?(?P(?:[, ]+[0-9]+[lr]?)+)`);
+    static table_col_widths_and_alignment           = ctRegex!(`(?P[0-9]+)(?P[lr]?)`);
+    static table_col_widths                         = ctRegex!(`(?P[0-9]+)`);
+    static table_col_align_match                    = ctRegex!(`(?P[lr])`);
+    static table_col_separator_nl                   = ctRegex!(`[┊]$`, "mg");
+    /+ inline markup footnotes endnotes +/
+    static inline_notes_curly_gen                   = ctRegex!(`~\{.+?\}~`, "m");
+    static inline_notes_curly                       = ctRegex!(`~\{\s*(.+?)\}~`, "mg");
+    static inline_notes_curly_sp_asterisk           = ctRegex!(`~\{[*]+\s+(.+?)\}~`, "m");
+    static inline_notes_curly_sp_plus               = ctRegex!(`~\{[+]+\s+(.+?)\}~`, "m");
+    static note_ref                                 = ctRegex!(`^\S+?noteref_(?P[0-9]+)`, "mg");     // {^{73.}^}#noteref_73
+    static smid_inline_url_generic                        = ctRegex!(`(?:^|[}(\[ ])(?:(?:https?|git):\/\/|¤?\.\.\/|¤?\.\/|¤|#)[a-zA-Z0-9_#]`, "mg");
+    static smid_inline_url                                = ctRegex!(`((?:(?:https?|git):\/\/|¤?\.\.\/|¤?\.\/|¤|#)[a-zA-Z0-9_]\S*)`, "mg");
+    static smid_inline_link_naked_url                     = ctRegex!(`(?P
^|[ (\[])(?P(?:(?:https?|git):\/\/|¤?\.\.\/|¤?\.\/|¤)\S+?)(?=[.,;:?!'"]?([ )\]]|$))`, "mg");
+    static smid_inline_link_markup_regular                = ctRegex!(`(?P
^|[ (\[])\{\s*(?P.+?)\s*\}(?P(?:(?:https?|git):\/\/|¤?\.\.\/|¤?\.\/|¤|#)\S+?)(?=[;:!,?.]?([ )\]]|$))`, "mg");
+    static smid_inline_link_endnote_url_helper_punctuated = ctRegex!(`\{~\^\s+(?P.+?)\}(?P(?:(?:https?|git):\/\/|¤?\.\.\/|¤?\.\/|¤|#)\S+?)(?=[.,;:?!]?([ ]|$))`, "mg");
+    static smid_inline_link_endnote_url_helper            = ctRegex!(`\{~\^\s+(?P.+?)\}(?P(?:(?:https?|git):\/\/|¤?\.\.\/|¤?\.\/|¤|#)\S+)`, "mg");
+    static image                                    = ctRegex!(`([a-zA-Z0-9._-]+?\.(?:png|gif|jpg))`, "mg");
+    static smid_image                               = ctRegex!(`(?P
(?:^|[ ])[{┥](?:~\^\s+|\s*))(?P[a-zA-Z0-9._-]+?\.(?:png|gif|jpg))(?P(?:.*?)\s*[}┝](?:image|┤.*?├|(?:(?:https?|git):\/\/|¤?\.\.\/|¤?\.\/|¤|#)\S+?)(?=[;:!,?.]?([ )\]]|$)))`, "mg");
+    static smid_image_generic                       = ctRegex!(`(?:^|[ ])[{┥](?:~\^\s+|\s*)\S+\.(?:png|gif|jpg).*?[}┝](?:image|┤.*?├|(?:(?:https?|git):\/\/|¤?\.\.\/|¤?\.\/|¤|#)\S+?)(?=[;:!,?.]?([ )\]]|$))`, "mg");
+    static smid_image_with_dimensions               = ctRegex!(`(?P
(?:^|[ ])[{┥](?:~\^\s+|\s*))(?P[a-zA-Z0-9._-]+?\.(?:png|gif|jpg))\s+(?P\d+)x(?P\d+)\s*(?P(?:.*?)\s*[}┝](?:image|┤.*?├|(?:(?:https?|git):\/\/|¤?\.\.\/|¤?\.\/|¤|#)\S+?)(?=[;:!,?.]?([ )\]]|$)))`, "mg");
+    static smid_mod_image_without_dimensions        = ctRegex!(`[{┥](?:~\^\s+|\s*)☼\S+\.(?:png|gif|jpg),w0h0.*[}┝](?:image|┤.*?├|(?:https?|git):\/\/\S+?)(?=[;:!,?.]?([ )\]]|$))`, "mg");
+    static smid_image_delimit                       = ctRegex!(`(?P
^|[ ])\{\s*(?P.+?)\s*\}(?:image)(?=[;:!,?.]?([ )\]]|$))`, "mg");
+    /+ inline markup book index +/
+    static book_index_item                          = ctRegex!(`^=\{\s*(?P.+?)\}$`, "m");
+    static book_index_item_open                     = ctRegex!(`^=\{\s*([^}]*?)$`);
+    static book_index_item_close                    = ctRegex!(`^(.*?)\}$`, "m");
+    static auto_heading_numbering_lv1               = ctRegex!(`^1~`, "m");
+    static auto_heading_numbering_off_lv1           = ctRegex!(`^1~\S*?-\s`, "m");
+    static auto_heading_numbering_off_lv2           = ctRegex!(`^2~\S*?-\s`, "m");
+    static auto_heading_numbering_off_lv3           = ctRegex!(`^3~\S*?-\s`, "m");
+    static auto_heading_numbering_off_lv4           = ctRegex!(`^4~\S*?-\s`, "m");
+    /+ no object_number object +/
+    static object_number_off                        = ctRegex!(`~#[ ]*$`, "m");
+    static object_number_off_dummy_heading          = ctRegex!(`-#$`, "m");
+    static object_number_off_all                    = ctRegex!(`[~-]#$`, "m");
+    static repeated_character_line_separator        = ctRegex!(`^(?:[ ]*(?:(?:[.][ ]*){4,}|(?:[-][ ]*|[~][ ]*|[*][ ]*|[$][ ]*|[#][ ]*|[\\][ ]*|[/][ ]*){2,})\s*?)+$`);
+    /+ no object_number block +/
+    static object_number_off_block                  = ctRegex!(`^--~#$`);
+    static object_number_off_block_dummy_heading    = ctRegex!(`^---#$`);
+    static object_number_off_block_close            = ctRegex!(`^--\+#$`);
+    static object_number_block_marks                = ctRegex!(`^--[+~-]#$`);
+    /+ ignore outside code blocks +/
+    static skip_from_regular_parse                  = ctRegex!(`^(--[+~-]#|-[\\]{2}-|=[.\\]{2}=)$`);
+    /+ line & page breaks +/
+    static break_string                             = ctRegex!(`』`);
+    /+ biblio tags +/
+    static biblio_tags                              = ctRegex!(`^(is|au|author_raw|author|author_arr|editor_raw|ed|editor_arr|ti|title|subtitle|fulltitle|lng|language|trans|src|jo|journal|in|vol|volume|edn|edition|yr|year|pl|place|pb|pub|publisher|url|pg|pages|note|short_name|id):\s+(.+)`);
+    static biblio_abbreviations                     = ctRegex!(`^(au|ed|ti|lng|jo|vol|edn|yr|pl|pb|pub|pg|pgs|sn)$`);
+    /+ bookindex split +/
+    static bi_main_terms_split                            = ctRegex!(`\s*;\s*`);
+    static bi_main_term_plus_rest_split                   = ctRegex!(`\s*:\s*`);
+    static bi_sub_terms_plus_object_number_offset_split   = ctRegex!(`\s*\|\s*`);
+    static bi_term_and_object_numbers_match               = ctRegex!(`^(.+?)\+(\d+)`);
+    static topic_register_main_terms_split          = ctRegex!(`\s*;\s*`);
+    static topic_register_main_term_plus_rest_split = ctRegex!(`\s*:\s*`);
+    static topic_register_sub_terms_split           = ctRegex!(`\s*\|\s*`);
+    static topic_register_multiple_sub_terms_split  = ctRegex!(`␣([^|␣]+(?:\|[^|␣]+)+)`);
+    static newline                                  = ctRegex!("\n", "mg");
+    static space                                    = ctRegex!(`[ ]`, "mg");
+    static spaces_keep                              = ctRegex!(`(?P^[ ]+|[ ]{2,})`, "mg"); // code, verse, block
+    static spaces_line_start                        = ctRegex!(`^(?P[ ]+)`, "mg");
+    static nbsp_char                                = ctRegex!(`░`, "mg");
+    static nbsp_chars                               = ctRegex!(`[░]+`, "mg");
+    static middle_dot                               = ctRegex!(`·`, "mg");
+    static src_pth_sst_or_ssm                       = ctRegex!(`^(?P[/]?(?:[a-zA-Z0-9._-]+/)*)(?P[a-zA-Z0-9._-]+[.](?Pss[tm]))$`);
+    static src_pth_pod_sst_or_ssm                   = ctRegex!(`^(?P[/]?(?:[a-zA-Z0-9._-]+/)*)media/text/[a-z]{2}/(?P[a-zA-Z0-9][a-zA-Z0-9._-]*?[.]ss[tm])$`);
+    static src_pth_contents                         = ctRegex!(`^(?P[/]?(?:[a-zA-Z0-9._-]+/)*)(?P[a-zA-Z0-9][a-zA-Z0-9._-]*)/pod[.]manifest$`);
+    static src_pth_zip                              = ctRegex!(`^(?P[/]?(?:[a-zA-Z0-9._-]+/)*)(?P[a-zA-Z0-9._-]+[.]zip)$`);
+    static src_pth_types                            = ctRegex!(`^(?P[/]?[a-zA-Z0-9._-]+/)*(?P(?P[a-zA-Z0-9._-]+[.]ss[tm])|(?P[a-zA-Z0-9._-]+/pod[.]manifest)|(?P[a-zA-Z0-9._-]+[.]zip))$`);
+    static src_fn                                   = ctRegex!(`^([/]?(?:[a-zA-Z0-9._-]+/)*)(?P(?P[a-zA-Z0-9._-]+)[.](?Pss[tm]))$`);
+    static src_fn_master                            = ctRegex!(`^(?P/?(?:[a-zA-Z0-9._-]+/)*)(?P[a-zA-Z0-9._-]+[.]ssm)$`);
+    static src_fn_find_inserts                      = ctRegex!(`^(?P/?(?:[a-zA-Z0-9._-]+/)*)(?P[a-zA-Z0-9._-]+[.]ss[im])$`);
+    static insert_src_fn_ssi_or_sst                 = ctRegex!(`^<<\s*(?P[a-zA-Z0-9._-]+/)*(?P[a-zA-Z0-9._-]+[.]ss[ti])$`);
+    static src_base_parent_dir_name                 = ctRegex!(`[/](?P(?:[a-zA-Z0-9._-]+))(?:/media/text/[a-z]{2})$`); // formalizes dir structure
+    static src_formalised_file_path_parts           = ctRegex!(`(?P(?:[/a-zA-Z0-9._-]+?)(?P[a-zA-Z0-9._-]+))(?:/media/text/[a-z]{2})$`); // formalizes dir structure
+    /+ line breaks +/
+    static br_empty_line                            = ctRegex!(`\n[ ]*\n`, "mg");
+    static br_linebreaks_newlines                   = ctRegex!(`[\n┘┙]`, "mg");
+    static br_linebreaks                            = ctRegex!(`[┘┙]`, "mg");
+    static br_line                                  = ctRegex!(`┘`, "mg");
+    static br_line_inline                           = ctRegex!(`┙`, "mg");
+    static br_line_spaced                           = ctRegex!(`┚`, "mg");
+    /+ inline markup footnotes endnotes +/
+    static inline_notes_al                          = ctRegex!(`【(?:[*+]\s+|\s*)(.+?)】`, "mg");
+    static inline_notes_al_special                  = ctRegex!(`【(?:[*+]\s+)(.+?)】`, "mg"); // TODO remove match when special footnotes are implemented
+    static inline_notes_al_gen                      = ctRegex!(`【.+?】`, "m");
+    static inline_notes_al_gen_text                 = ctRegex!(`【(?P.+?)】`, "m");
+    static inline_notes_al_all_note                 = ctRegex!(`【(?P\d+|(?:[*]|[+])+)\s+(?P.+?)\s*】`, "mg");
+    static inline_notes_al_regular_number_note      = ctRegex!(`【(?P\d+)\s+(?P.+?)\s*】`, "mg");
+    static inline_notes_al_special_char_note        = ctRegex!(`【(?P(?:[*]|[+])+)\s+(?P.+?)】`, "mg");
+    static inline_al_delimiter_open_regular         = ctRegex!(`【\s`, "m");
+    static inline_al_delimiter_open_symbol_star     = ctRegex!(`【[*]\s`, "m");
+    static inline_al_delimiter_open_symbol_plus     = ctRegex!(`【[+]\s`, "m");
+    static inline_text_and_note_al_                 = ctRegex!(`(.+?(?:【[*+]*\s+.+?】|.+))`, "mg");
+    /+ inline markup links +/
+    static inline_image                             = ctRegex!(`(?P
┥)☼(?P(?P[a-zA-Z0-9._-]+?\.(?:jpg|gif|png)),w(?P\d+)h(?P\d+))\s*(?P.*?┝┤.*?├)`, "mg");
+    static inline_image_without_dimensions          = ctRegex!(`(?P
┥)☼(?P(?P[a-zA-Z0-9._-]+?\.(?:jpg|gif|png)),w(?P0)h(?P0))\s*(?P.*?┝┤.*?├)`, "mg");
+    static inline_image_info                        = ctRegex!(`☼?(?P[a-zA-Z0-9._-]+?\.(?:jpg|gif|png)),w(?P\d+)h(?P\d+)`, "mg");
+    static inline_link_anchor                       = ctRegex!(`┃(?P\S+?)┃`, "mg"); // TODO *~text_link_anchor
+    static inline_link                              = ctRegex!(`┥(?P.+?)┝┤(?P#?(\S+?))├`, "mg");
+    static inline_link_empty                        = ctRegex!(`┥(?P.+?)┝┤├`, "mg");
+    static inline_link_number                       = ctRegex!(`┥(?P.+?)┝┤(?P[0-9]+)├`, "mg"); // not used
+    static inline_link_number_only                  = ctRegex!(`(?P┥.+?┝)┤(?P[0-9]+)├`, "mg");
+    static inline_link_stow_uri                     = ctRegex!(`┥(?P.+?)┝┤(?P[^ 0-9#┥┝┤├][^ 0-9┥┝┤├]+)├`, "mg"); // will not stow (stowed links) or object number internal links
+    static inline_link_hash                         = ctRegex!(`┥(?P.+?)┝┤(?P#(?P\S+?))├`, "mg");
+    static inline_link_seg_and_hash                 = ctRegex!(`┥(?P.+?)┝┤(?P(?P[^/#├]*)#(?P.+?))├`, "mg");
+    static inline_link_clean                        = ctRegex!(`┤(?:.+?)├|[┥┝]`, "mg");
+    static inline_link_toc_to_backmatter            = ctRegex!(`┤#(?Pendnotes|bibliography|bookindex|glossary|blurb)├`, "mg");
+    static url                                      = ctRegex!(`https?://`, "mg");
+    static uri                                      = ctRegex!(`(?:https?|git)://`, "mg");
+    static uri_identify_components                  = ctRegex!(`(?P(?:https?|git)://)(?P\S+?/)(?P[^/]+)$`, "mg");
+    static inline_link_subtoc                       = ctRegex!(`^(?P[5-7])~ ┥(?P.+?)┝┤(?P.+?)├`, "mg");
+    static inline_link_fn_suffix                    = ctRegex!(`¤(.+?)(\.fnSuffix)`, "mg");
+    static inline_seg_link                          = ctRegex!(`(¤)(?:.+?)\.fnSuffix`, "mg");
+    static mark_internal_site_lnk                   = ctRegex!(`¤`, "mg");
+    static quotation_mark_sql_insert_delimiter      = ctRegex!("[']", "mg");
+    /+ inline markup font face mod +/
+    static inline_mark_emphasis                     = ctRegex!(`(?P[*])\{(?P.+?)\}[*]`, "mg");
+    static inline_mark_bold                         = ctRegex!(`(?P[!])\{(?P.+?)\}[!]`, "mg");
+    static inline_mark_underscore                   = ctRegex!(`(?P[_])\{(?P.+?)\}[_]`, "mg");
+    static inline_mark_italics                      = ctRegex!(`(?P[/])\{(?P.+?)\}[/]`, "mg");
+    static inline_mark_superscript                  = ctRegex!(`(?P\^)\{(?P.+?)\}\^`, "mg");
+    static inline_mark_subscript                    = ctRegex!(`(?P[,])\{(?P.+?)\}[,]`, "mg");
+    static inline_mark_strike                       = ctRegex!(`(?P[-])\{(?P.+?)\}[-]`, "mg");
+    static inline_mark_insert                       = ctRegex!(`(?P[+])\{(?P.+?)\}[+]`, "mg");
+    static inline_mark_mono                         = ctRegex!(`(?P[#])\{(?P.+?)\}[#]`, "mg");
+    static inline_mark_cite                         = ctRegex!(`(?P["])\{(?P.+?)\}["]`, "mg");
+    static inline_faces_line                        = ctRegex!(`^[*!/_]_ (?P.+?)((?: [\\]{2}|[~]#){0,2}$)`);
+    static inline_emphasis_line                     = ctRegex!(`^\*_ (?P.+?)(?P(?: [\\]{2}|[~]#){0,2}$)`);
+    static inline_bold_line                         = ctRegex!(`^!_ (?P.+?)(?P(?: [\\]{2}|[~]#){0,2}$)`);
+    static inline_italics_line                      = ctRegex!(`^/_ (?P.+?)(?P(?: [\\]{2}|[~]#){0,2}$)`);
+    static inline_underscore_line                   = ctRegex!(`^__ (?P.+?)(?P(?: [\\]{2}|[~]#){0,2}$)`);
+  }
+}
diff --git a/src/sisudoc/meta/rgx_files.d b/src/sisudoc/meta/rgx_files.d
new file mode 100644
index 0000000..05db651
--- /dev/null
+++ b/src/sisudoc/meta/rgx_files.d
@@ -0,0 +1,72 @@
+/+
+- Name: SisuDoc Spine, Doc Reform [a part of]
+  - Description: documents, structuring, processing, publishing, search
+    - static content generator
+
+  - Author: Ralph Amissah
+    [ralph.amissah@gmail.com]
+
+  - Copyright: (C) 2015 - 2024 Ralph Amissah, All Rights Reserved.
+
+  - License: AGPL 3 or later:
+
+    Spine (SiSU), a framework for document structuring, publishing and
+    search
+
+    Copyright (C) Ralph Amissah
+
+    This program is free software: you can redistribute it and/or modify it
+    under the terms of the GNU AFERO General Public License as published by the
+    Free Software Foundation, either version 3 of the License, or (at your
+    option) any later version.
+
+    This program is distributed in the hope that it will be useful, but WITHOUT
+    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+    FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+    more details.
+
+    You should have received a copy of the GNU General Public License along with
+    this program. If not, see [https://www.gnu.org/licenses/].
+
+    If you have Internet connection, the latest version of the AGPL should be
+    available at these locations:
+    [https://www.fsf.org/licensing/licenses/agpl.html]
+    [https://www.gnu.org/licenses/agpl.html]
+
+  - Spine (by Doc Reform, related to SiSU) uses standard:
+    - docReform markup syntax
+      - standard SiSU markup syntax with modified headers and minor modifications
+    - docReform object numbering
+      - standard SiSU object citation numbering & system
+
+  - Homepages:
+    [https://www.sisudoc.org]
+    [https://www.doc-reform.org]
+
+  - Git
+    [https://git.sisudoc.org/]
+
++/
+/++
+  regex: regular expressions used in sisu document parser
++/
+module sisudoc.meta.rgx_files;
+@safe:
+static template spineRgxFiles() {
+  static struct RgxFiles {
+    static src_pth_sst_or_ssm                       = ctRegex!(`^(?P[/]?(?:[a-zA-Z0-9._-]+/)*)(?P[a-zA-Z0-9._-]+[.](?Pss[tm]))$`);
+    static src_pth_pod_sst_or_ssm                   = ctRegex!(`^(?P[/]?(?:[a-zA-Z0-9._-]+/)*)media/text/[a-z]{2}/(?P[a-zA-Z0-9][a-zA-Z0-9._-]*?[.]ss[tm])$`);
+    static src_pth_contents                         = ctRegex!(`^(?P[/]?(?:[a-zA-Z0-9._-]+/)*)(?P[a-zA-Z0-9][a-zA-Z0-9._-]*)/pod[.]manifest$`);
+    static src_pth_zip                              = ctRegex!(`^(?P[/]?(?:[a-zA-Z0-9._-]+/)*)(?P[a-zA-Z0-9._-]+[.]zip)$`);
+    static src_pth_types                            = ctRegex!(`^(?P[/]?[a-zA-Z0-9._-]+/)*(?P(?P[a-zA-Z0-9._-]+[.]ss[tm])|(?P[a-zA-Z0-9._-]+/pod[.]manifest)|(?P[a-zA-Z0-9._-]+[.]zip))$`);
+    static src_fn                                   = ctRegex!(`^([/]?(?:[a-zA-Z0-9._-]+/)*)(?P(?P[a-zA-Z0-9._-]+)[.](?Pss[tm]))$`);
+    static src_fn_master                            = ctRegex!(`^(?P/?(?:[a-zA-Z0-9._-]+/)*)(?P[a-zA-Z0-9._-]+[.]ssm)$`);
+    static src_fn_find_inserts                      = ctRegex!(`^(?P/?(?:[a-zA-Z0-9._-]+/)*)(?P[a-zA-Z0-9._-]+[.]ss[im])$`);
+    static insert_src_fn_ssi_or_sst                 = ctRegex!(`^<<\s*(?P[a-zA-Z0-9._-]+/)*(?P[a-zA-Z0-9._-]+[.]ss[ti])$`);
+    static src_base_parent_dir_name                 = ctRegex!(`[/](?P(?:[a-zA-Z0-9._-]+))(?:/media/text/[a-z]{2})$`); // formalizes dir structure
+    static src_formalised_file_path_parts           = ctRegex!(`(?P(?:[/a-zA-Z0-9._-]+?)(?P[a-zA-Z0-9._-]+))(?:/media/text/[a-z]{2})$`); // formalizes dir structure
+    /+ language codes +/
+    auto language_code_and_filename                                    =
+       ctRegex!("(?:^|[/])(am|bg|bn|br|ca|cs|cy|da|de|el|en|eo|es|et|eu|fi|fr|ga|gl|he|hi|hr|hy|ia|is|it|ja|ko|la|lo|lt|lv|ml|mr|nl|no|nn|oc|pl|pt|pt_BR|ro|ru|sa|se|sk|sl|sq|sr|sv|ta|te|th|tk|tr|uk|ur|vi|zh)/[A-Za-z0-9._-].+?[.](?:sst|ssm)$");
+  }
+}
diff --git a/src/sisudoc/meta/rgx_yaml_tags.d b/src/sisudoc/meta/rgx_yaml_tags.d
new file mode 100644
index 0000000..6266bac
--- /dev/null
+++ b/src/sisudoc/meta/rgx_yaml_tags.d
@@ -0,0 +1,62 @@
+/+
+- Name: SisuDoc Spine, Doc Reform [a part of]
+  - Description: documents, structuring, processing, publishing, search
+    - static content generator
+
+  - Author: Ralph Amissah
+    [ralph.amissah@gmail.com]
+
+  - Copyright: (C) 2015 - 2024 Ralph Amissah, All Rights Reserved.
+
+  - License: AGPL 3 or later:
+
+    Spine (SiSU), a framework for document structuring, publishing and
+    search
+
+    Copyright (C) Ralph Amissah
+
+    This program is free software: you can redistribute it and/or modify it
+    under the terms of the GNU AFERO General Public License as published by the
+    Free Software Foundation, either version 3 of the License, or (at your
+    option) any later version.
+
+    This program is distributed in the hope that it will be useful, but WITHOUT
+    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+    FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+    more details.
+
+    You should have received a copy of the GNU General Public License along with
+    this program. If not, see [https://www.gnu.org/licenses/].
+
+    If you have Internet connection, the latest version of the AGPL should be
+    available at these locations:
+    [https://www.fsf.org/licensing/licenses/agpl.html]
+    [https://www.gnu.org/licenses/agpl.html]
+
+  - Spine (by Doc Reform, related to SiSU) uses standard:
+    - docReform markup syntax
+      - standard SiSU markup syntax with modified headers and minor modifications
+    - docReform object numbering
+      - standard SiSU object citation numbering & system
+
+  - Homepages:
+    [https://www.sisudoc.org]
+    [https://www.doc-reform.org]
+
+  - Git
+    [https://git.sisudoc.org/]
+
++/
+/++
+  regex: regular expressions used in sisu document parser
++/
+module sisudoc.meta.rgx_yaml;
+@safe:
+static template spineRgxYamlTags() {
+  static struct RgxYaml {
+    static yaml_tag_is_str                          = ctRegex!(`:str$`);
+    static yaml_tag_is_int                          = ctRegex!(`:int$`);
+    static yaml_tag_is_map                          = ctRegex!(`:map$`);
+    static yaml_tag_is_seq                          = ctRegex!(`:seq$`);
+  }
+}
diff --git a/src/sisudoc/share/defaults.d b/src/sisudoc/share/defaults.d
new file mode 100644
index 0000000..f6303c8
--- /dev/null
+++ b/src/sisudoc/share/defaults.d
@@ -0,0 +1,72 @@
+/+
+- Name: SisuDoc Spine, Doc Reform [a part of]
+  - Description: documents, structuring, processing, publishing, search
+    - static content generator
+
+  - Author: Ralph Amissah
+    [ralph.amissah@gmail.com]
+
+  - Copyright: (C) 2015 - 2024 Ralph Amissah, All Rights Reserved.
+
+  - License: AGPL 3 or later:
+
+    Spine (SiSU), a framework for document structuring, publishing and
+    search
+
+    Copyright (C) Ralph Amissah
+
+    This program is free software: you can redistribute it and/or modify it
+    under the terms of the GNU AFERO General Public License as published by the
+    Free Software Foundation, either version 3 of the License, or (at your
+    option) any later version.
+
+    This program is distributed in the hope that it will be useful, but WITHOUT
+    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+    FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+    more details.
+
+    You should have received a copy of the GNU General Public License along with
+    this program. If not, see [https://www.gnu.org/licenses/].
+
+    If you have Internet connection, the latest version of the AGPL should be
+    available at these locations:
+    [https://www.fsf.org/licensing/licenses/agpl.html]
+    [https://www.gnu.org/licenses/agpl.html]
+
+  - Spine (by Doc Reform, related to SiSU) uses standard:
+    - docReform markup syntax
+      - standard SiSU markup syntax with modified headers and minor modifications
+    - docReform object numbering
+      - standard SiSU object citation numbering & system
+
+  - Homepages:
+    [https://www.sisudoc.org]
+    [https://www.doc-reform.org]
+
+  - Git
+    [https://git.sisudoc.org/]
+
++/
+/++
+  shared default settings
++/
+module sisudoc.share.defaults;
+@safe:
+template Msg() {
+  import std.stdio;
+  auto Msg(I)(I doc_matters) {
+    struct Msg_ {
+      void v()(string message) {
+        if (doc_matters.opt.action.vox_gt1) {
+          writeln(message);
+        }
+      }
+      void vv()(string message) {
+        if (doc_matters.opt.action.vox_gt2) {
+          writeln(message);
+        }
+      }
+    }
+    return Msg_();
+  }
+}
diff --git a/src/sisudoc/spine.d b/src/sisudoc/spine.d
new file mode 100755
index 0000000..b79bc54
--- /dev/null
+++ b/src/sisudoc/spine.d
@@ -0,0 +1,1272 @@
+#!/usr/bin/env rdmd
+/+
+- Name: SisuDoc Spine, Doc Reform [a part of]
+  - Description: documents, structuring, processing, publishing, search
+    - static content generator
+
+  - Author: Ralph Amissah
+    [ralph.amissah@gmail.com]
+
+  - Copyright: (C) 2015 - 2024 Ralph Amissah, All Rights Reserved.
+
+  - License: AGPL 3 or later:
+
+    Spine (SiSU), a framework for document structuring, publishing and
+    search
+
+    Copyright (C) Ralph Amissah
+
+    This program is free software: you can redistribute it and/or modify it
+    under the terms of the GNU AFERO General Public License as published by the
+    Free Software Foundation, either version 3 of the License, or (at your
+    option) any later version.
+
+    This program is distributed in the hope that it will be useful, but WITHOUT
+    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+    FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+    more details.
+
+    You should have received a copy of the GNU General Public License along with
+    this program. If not, see [https://www.gnu.org/licenses/].
+
+    If you have Internet connection, the latest version of the AGPL should be
+    available at these locations:
+    [https://www.fsf.org/licensing/licenses/agpl.html]
+    [https://www.gnu.org/licenses/agpl.html]
+
+  - Spine (by Doc Reform, related to SiSU) uses standard:
+    - docReform markup syntax
+      - standard SiSU markup syntax with modified headers and minor modifications
+    - docReform object numbering
+      - standard SiSU object citation numbering & system
+
+  - Homepages:
+    [https://www.sisudoc.org]
+    [https://www.doc-reform.org]
+
+  - Git
+    [https://git.sisudoc.org/]
+
++/
+module sisudoc.sisu_document_parser;
+/++
+name        "spine"
+description "A SiSU inspired document parser written in D."
+homepage    "https://sisudoc.org"
++/
+@safe:
+import
+  std.algorithm,
+  std.datetime,
+  std.getopt,
+  std.file,
+  std.path,
+  std.process;
+import
+  sisudoc.conf.compile_time_info,
+  sisudoc.meta,
+  sisudoc.meta.metadoc,
+  sisudoc.meta.metadoc_curate,
+  sisudoc.meta.metadoc_curate_authors,
+  sisudoc.meta.metadoc_curate_topics,
+  sisudoc.meta.metadoc_from_src,
+  sisudoc.meta.conf_make_meta_structs,
+  sisudoc.meta.conf_make_meta_json,
+  sisudoc.meta.defaults,
+  sisudoc.meta.doc_debugs,
+  sisudoc.meta.rgx,
+  sisudoc.meta.rgx_yaml,
+  sisudoc.meta.rgx_files,
+  sisudoc.io_in.paths_source,
+  sisudoc.io_in.read_config_files,
+  sisudoc.io_in.read_source_files,
+  sisudoc.io_out.hub;
+mixin(import("version.txt"));
+mixin(import("configuration.txt"));
+mixin CompileTimeInfo;
+string project_name = "spine";
+string program_name = "spine";
+@system void main(string[] args) {
+  mixin spineRgxIn;
+  mixin spineRgxYamlTags;
+  mixin spineRgxFiles;
+  mixin spineBiblio;
+  mixin outputHub;
+  auto hvst = spineCurateMetadata!();
+  string flag_action;
+  string arg_unrecognized;
+  enum dAM { abstraction, matters }
+  static auto rgx = RgxI();
+  static auto rgx_y = RgxYaml();
+  static auto rgx_files = RgxFiles();
+  scope(success) {
+    writefln(
+      "~ run complete, ok ~ (%s-%s.%s.%s, %s D:%s, %s %s)",
+      program_name,
+      _ver.major, _ver.minor, _ver.patch,
+      __VENDOR__, __VERSION__,
+      bits, os,
+    );
+  }
+  scope(failure) {
+    debug(checkdoc) {
+      stderr.writefln(
+        "run failure",
+      );
+    }
+  }
+  bool[string] opts = [
+    "abstraction"                 : false,
+    "allow-downloads"             : false,
+    "assertions"                  : false,
+    "concordance"                 : false,
+    "dark"                        : false,
+    "debug"                       : false,
+    "debug-curate"                : false,
+    "debug-curate-authors"        : false,
+    "debug-curate-topics"         : false,
+    "debug-epub"                  : false,
+    "debug-harvest"               : false,
+    "debug-html"                  : false,
+    "debug-latex"                 : false,
+    "debug-manifest"              : false,
+    "debug-metadata"              : false,
+    "debug-pod"                   : false,
+    "debug-sqlite"                : false,
+    "debug-stages"                : false,
+    "digest"                      : false,
+    "epub"                        : false,
+    "generated-by"                : false,
+    "curate"                      : false,
+    "curate-authors"              : false,
+    "curate-topics"               : false,
+    "html"                        : false,
+    "html-link-curate"            : false,
+    "html-link-markup"            : false,
+    "html-link-pdf"               : false,
+    "html-link-pdf-a4"            : false,
+    "html-link-pdf-letter"        : false,
+    "html-link-search"            : false,
+    "html-seg"                    : false,
+    "html-scroll"                 : false,
+    "latex"                       : false,
+    "latex-color-links"           : false,
+    "latex-init"                  : false,
+    "latex-header-sty"            : false,
+    "light"                       : false,
+    "manifest"                    : false,
+    "hide-ocn"                    : false,
+    "ocn-off"                     : false,
+    "odf"                         : false,
+    "odt"                         : false,
+    "parallel"                    : false,
+    "parallel-subprocesses"       : false,
+    "pdf"                         : false,
+    "pdf-color-links"             : false,
+    "pdf-init"                    : false,
+    "pod"                         : false,
+    "serial"                      : false,
+    "show-config"                 : false,
+    "show-curate"                 : false,
+    "show-curate-authors"         : false,
+    "show-curate-topics"          : false,
+    "show-epub"                   : false,
+    "show-html"                   : false,
+    "show-latex"                  : false,
+    "show-make"                   : false,
+    "show-manifest"               : false,
+    "show-metadata"               : false,
+    "show-pod"                    : false,
+    "show-sqlite"                 : false,
+    "show-summary"                : false,
+    "source"                      : false,
+    "sqlite-discrete"             : false,
+    "sqlite-db-create"            : false,
+    "sqlite-db-drop"              : false,
+    "sqlite-db-recreate"          : false,
+    "sqlite-delete"               : false,
+    "sqlite-insert"               : false,
+    "sqlite-update"               : false,
+    "text"                        : false,
+    "vox_is0"                     : false,
+    "vox_gt1"                     : false,
+    "vox_gt2"                     : false,
+    "xhtml"                       : false,
+    "section_toc"                 : true,
+    "section_body"                : true,
+    "section_endnotes"            : true,
+    "section_glossary"            : true,
+    "section_biblio"              : true,
+    "section_bookindex"           : true,
+    "section_blurb"               : true,
+    "backmatter"                  : true,
+    "skip-output"                 : false,
+    "theme-dark"                  : false,
+    "theme-light"                 : false,
+    "workon"                      : false,
+  ];
+  string[string] settings = [
+    "output"                      : "",
+    "www-http"                    : "",
+    "www-host"                    : "",
+    "www-host-doc-root"           : "",
+    "www-url-doc-root"            : "",
+    "cgi-http"                    : "",
+    "cgi-host"                    : "",
+    "cgi-bin-root"                : "",
+    "cgi-sqlite-search-filename"  : "",
+    "cgi-url-root"                : "",
+    "cgi-url-action"              : "",
+    "cgi-search-title"            : "",
+    "config"                      : "",
+    "lang"                        : "all",
+    "set-papersize"               : "",
+    "set-textwrap"                : "",
+    "set-digest"                  : "",
+    "sqlite-db-path"              : "",
+    "sqlite-db-filename"          : "",
+  ];
+  auto helpInfo = getopt(args,
+    std.getopt.config.passThrough,
+    "abstraction",                "document abstraction",                                           &opts["abstraction"],
+    "allow-downloads",            "allow downloads (includes cgi.d from github)",                   &opts["allow-downloads"],
+    "assert",                     "set optional assertions on",                                     &opts["assertions"],
+    "cgi-bin-root",               "path to cgi-bin directory",                                      &settings["cgi-bin-root"],
+    "cgi-url-root",               "url to cgi-bin (to find cgi-bin)",                               &settings["cgi-url-root"],
+    "cgi-url-action",             "url to post to cgi-bin search form",                             &settings["cgi-url-action"],
+    "cgi-search-title",           "if generating a cgi search form the title to use for it",        &settings["cgi-search-title"],
+    "cgi-sqlite-search-filename", "=[filename] default is spine-search",                            &settings["cgi-sqlite-search-filename"],
+    "concordance",                "file for document",                                              &opts["concordance"],
+    "curate",                     "extract info on authors & topics from document header metadata", &opts["curate"],
+    "curate-authors",             "extract info on authors from document header metadata",          &opts["curate-authors"],
+    "curate-topics",              "extract info on topics from document header metadata",           &opts["curate-topics"],
+    "dark",                       "alternative dark theme",                                         &opts["dark"],
+    "digest",                     "hash digest for each object",                                    &opts["digest"],
+    "epub",                       "process epub output",                                            &opts["epub"],
+    "generated-by",               "generated by headers (software version & time)",                 &opts["generated-by"],
+    "hide-ocn",                   "object cite numbers",                                            &opts["hide-ocn"],
+    "html",                       "process html output",                                            &opts["html"],
+    "html-link-curate",           "place links back to curate in segmented html",                   &opts["html-link-curate"],
+    "html-link-markup",           "provide html link to markup source, shared optionally",          &opts["html-link-markup"],
+    "html-link-pdf",              "provide html link to pdf a4 & letter output",                    &opts["html-link-pdf"],
+    "html-link-pdf-a4",           "provide html link to pdf a4 output",                             &opts["html-link-pdf-a4"],
+    "html-link-pdf-letter",       "provide html link to pdf letter size output",                    &opts["html-link-pdf-letter"],
+    "html-link-search",           "html embedded search submission",                                &opts["html-link-search"],
+    "html-seg",                   "process html output",                                            &opts["html-seg"],
+    "html-scroll",                "process html output",                                            &opts["html-scroll"],
+    "lang",                       "=[lang code e.g. =en or =en,es]",                                &settings["lang"],
+    "latex",                      "latex output (for pdfs)",                                        &opts["latex"],
+    "latex-color-links",          "mono or color links for pdfs",                                   &opts["latex-color-links"],
+    "latex-init",                 "initialise latex shared files (see latex-header-sty)",           &opts["latex-init"],
+    "latex-header-sty",           "latex document header sty files",                                &opts["latex-header-sty"],
+    "light",                      "default light theme",                                            &opts["light"],
+    "manifest",                   "process manifest output",                                        &opts["manifest"],
+    "ocn-off",                    "object cite numbers",                                            &opts["ocn-off"],
+    "odf",                        "open document format text (--odt)",                              &opts["odf"],
+    "odt",                        "open document format text",                                      &opts["odt"],
+    "output",                     "=/path/to/output/dir specify where to place output",             &settings["output"],
+    "parallel",                   "parallelisation",                                                &opts["parallel"],
+    "parallel-subprocesses",      "nested parallelisation",                                         &opts["parallel-subprocesses"],
+    "pdf",                        "latex output for pdfs",                                          &opts["pdf"],
+    "pdf-color-links",            "mono or color links for pdfs",                                   &opts["pdf-color-links"],
+    "pdf-init",                   "initialise latex shared files (see latex-header-sty)",           &opts["pdf-init"],
+    "pod",                        "spine (doc reform) pod source content bundled",                  &opts["pod"],
+    "quiet|q",                    "output to terminal",                                             &opts["vox_is0"],
+    "section-backmatter",         "document backmatter (default)" ,                                 &opts["backmatter"],
+    "section-biblio",             "document biblio (default)",                                      &opts["section_biblio"],
+    "section-blurb",              "document blurb (default)",                                       &opts["section_blurb"],
+    "section-body",               "document body (default)",                                        &opts["section_body"],
+    "section-bookindex",          "document bookindex (default)",                                   &opts["section_bookindex"],
+    "section-endnotes",           "document endnotes (default)",                                    &opts["section_endnotes"],
+    "section-glossary",           "document glossary (default)",                                    &opts["section_glossary"],
+    "section-toc",                "table of contents (default)",                                    &opts["section_toc"],
+    "serial",                     "serial processing",                                              &opts["serial"],
+    "skip-output",                "skip output",                                                    &opts["skip-output"],
+    "show-config",                "show config",                                                    &opts["show-config"],
+    "show-curate",                "show curate",                                                    &opts["show-curate"],
+    "show-curate-authors",        "show curate authors",                                            &opts["show-curate-authors"],
+    "show-curate-topics",         "show curate topics",                                             &opts["show-curate-topics"],
+    "show-epub",                  "show epub",                                                      &opts["show-epub"],
+    "show-html",                  "show html",                                                      &opts["show-html"],
+    "show-latex",                 "show latex",                                                     &opts["show-latex"],
+    "show-make",                  "show make",                                                      &opts["show-make"],
+    "show-manifest",              "show manifest",                                                  &opts["show-manifest"],
+    "show-metadata",              "show metadata",                                                  &opts["show-metadata"],
+    "show-pod",                   "show pod",                                                       &opts["show-pod"],
+    "show-sqlite",                "show sqlite",                                                    &opts["show-sqlite"],
+    "show-summary",               "show summary",                                                   &opts["show-summary"],
+    "source",                     "document markup source",                                         &opts["source"],
+    "set-digest",                 "default hash digest type (e.g. sha256)",                         &settings["set-digest"],
+    "set-papersize",              "default papersize (latex pdf eg. a4 or a5 or b4 or letter)",     &settings["set-papersize"],
+    "set-textwrap",               "default textwrap (e.g. 80 (characters)",                         &settings["set-textwrap"],
+    "sqlite-discrete",            "process discrete sqlite output",                                 &opts["sqlite-discrete"],
+    "sqlite-db-create",           "create db, create tables",                                       &opts["sqlite-db-create"],
+    "sqlite-db-drop",             "drop tables & db",                                               &opts["sqlite-db-drop"],
+    "sqlite-db-filename",         "sqlite db to create, populate & make available for search",      &settings["sqlite-db-filename"],
+    "sqlite-db-path",             "sqlite db path",                                                 &settings["sqlite-db-path"],
+    "sqlite-db-recreate",         "create db, create tables",                                       &opts["sqlite-db-recreate"],
+    "sqlite-delete",              "sqlite output",                                                  &opts["sqlite-delete"],
+    "sqlite-insert",              "sqlite output",                                                  &opts["sqlite-insert"],
+    "sqlite-update",              "sqlite output",                                                  &opts["sqlite-update"],
+    "www-http",                   "http or https",                                                  &settings["www-http"],
+    "www-host",                   "web server host (domain) name",                                  &settings["www-host"],
+    "www-host-doc-root",          "web host host (domain) name with path to doc root",              &settings["www-host-doc-root"],
+    "www-url-doc-root",           "e.g. http://localhost",                                          &settings["www-url-doc-root"],
+    "text",                       "text output",                                                    &opts["text"],
+    "theme-dark",                 "alternative dark theme",                                         &opts["theme-dark"],
+    "theme-light",                "default light theme",                                            &opts["theme-light"],
+    "txt",                        "text output",                                                    &opts["text"],
+    "verbose|v",                  "output to terminal",                                             &opts["vox_gt1"],
+    "very-verbose",               "output to terminal",                                             &opts["vox_gt2"],
+    "workon",                     "(reserved for some matters under development & testing)",        &opts["workon"],
+    "xhtml",                      "xhtml output",                                                   &opts["xhtml"],
+    "config",                     "=/path/to/config/file/including/filename",                       &settings["config"],
+    "debug",                      "debug",                                                          &opts["debug"],
+    "debug-curate",               "debug curate",                                                   &opts["debug-curate"],
+    "debug-curate-authors",       "debug curate authors",                                           &opts["debug-curate-authors"],
+    "debug-curate-topics",        "debug curate topics",                                            &opts["debug-curate-topics"],
+    "debug-epub",                 "debug epub",                                                     &opts["debug-epub"],
+    "debug-harvest",              "debug harvest",                                                  &opts["debug-harvest"],
+    "debug-html",                 "debug html",                                                     &opts["debug-html"],
+    "debug-latex",                "debug latex",                                                    &opts["debug-latex"],
+    "debug-manifest",             "debug manifest",                                                 &opts["debug-manifest"],
+    "debug-metadata",             "debug metadata",                                                 &opts["debug-metadata"],
+    "debug-pod",                  "debug pod",                                                      &opts["debug-pod"],
+    "debug-sqlite",               "debug sqlite",                                                   &opts["debug-sqlite"],
+    "debug-stages",               "debug stages",                                                   &opts["debug-stages"],
+    // "sqlite-db-filename",         "=[filename].sql.db",                                             &settings["sqlite-db-filename"],
+  );
+  if (helpInfo.helpWanted) {
+    defaultGetoptPrinter("Some information about the program.", helpInfo.options);
+  }
+  enum outTask { source_or_pod, sqlite, sqlite_multi, latex, odt, epub, html_scroll, html_seg, html_stuff }
+  struct OptActions {
+    @trusted bool allow_downloads() {
+      return opts["allow-downloads"];
+    }
+    @trusted bool assertions() {
+      return opts["assertions"];
+    }
+    @trusted bool concordance() {
+      return opts["concordance"];
+    }
+    @trusted string config_path_set() {
+      return settings["config"];
+    }
+    @trusted bool css_theme_default() {
+      bool _is_light;
+      if (opts["light"] || opts["theme-light"]) {
+        _is_light = true;
+      } else if (opts["dark"] || opts["theme-dark"]) {
+        _is_light = false;
+      } else {
+        _is_light = true;
+      }
+      return _is_light;
+    }
+    @trusted bool debug_do() {
+      bool _dbg;
+      if (opts["debug"]) {
+        _dbg = true;
+      } else { _dbg = false; }
+      return _dbg;
+    }
+    @trusted bool debug_do_curate() {
+      return (opts["debug"] || opts["debug-curate"]) ? true : false;
+    }
+    @trusted bool debug_do_curate_authors() {
+      return (opts["debug"] || opts["debug-curate"] || opts["debug-curate-authors"]) ? true : false;
+    }
+    @trusted bool debug_do_curate_topics() {
+      return (opts["debug"] || opts["debug-curate"] || opts["debug-curate-topics"]) ? true : false;
+    }
+    @trusted bool debug_do_epub() {
+      return (opts["debug"] || opts["debug-epub"]) ? true : false;
+    }
+    @trusted bool debug_do_harvest() {
+      return (opts["debug"] || opts["debug-harvest"]) ? true : false;
+    }
+    @trusted bool debug_do_html() {
+      return (opts["debug"] || opts["debug-html"]) ? true : false;
+    }
+    @trusted bool debug_do_latex() {
+      return (opts["debug"] || opts["debug-latex"]) ? true : false;
+    }
+    @trusted bool debug_do_manifest() {
+      return (opts["debug"] || opts["debug-manifest"]) ? true : false;
+    }
+    @trusted bool debug_do_metadata() {
+      return (opts["debug"] || opts["debug-metadata"]) ? true : false;
+    }
+    @trusted bool debug_do_pod() {
+      return (opts["debug"] || opts["debug-pod"]) ? true : false;
+    }
+    @trusted bool debug_do_sqlite() {
+      return (opts["debug"] || opts["debug-sqlite"]) ? true : false;
+    }
+    @trusted bool debug_do_stages() {
+      return (opts["debug"] || opts["debug-stages"]) ? true : false;
+    }
+    @trusted bool debug_do_xmls() {
+      return (opts["debug"] || opts["debug-html"] || opts["debug-epub"]) ? true : false;
+    }
+    @trusted bool curate() {
+      return (opts["curate"] || opts["curate-authors"] || opts["curate-topics"]) ? true : false;
+    }
+    @trusted bool curate_authors() {
+      return (opts["curate"] || opts["curate-authors"]) ? true : false;
+    }
+    @trusted bool curate_topics() {
+      return (opts["curate"] || opts["curate-topics"]) ? true : false;
+    }
+    @trusted bool digest() {
+      return opts["digest"];
+    }
+    @trusted bool epub() {
+      return opts["epub"];
+    }
+    @trusted bool generated_by() {
+      return opts["generated-by"];
+    }
+    @trusted bool html_link_curate() {
+      return (opts["html-link-curate"]) ? true : false;
+    }
+    @trusted bool html_link_markup_source() {
+      return (opts["html-link-markup"]) ? true : false;
+    }
+    @trusted bool html_link_pdf() {
+      return (opts["html-link-pdf"]) ? true : false;
+    }
+    @trusted bool html_link_pdf_a4() {
+      return (opts["html-link-pdf-a4"]) ? true : false;
+    }
+    @trusted bool html_link_pdf_letter() {
+      return (opts["html-link-pdf-letter"]) ? true : false;
+    }
+    @trusted bool html_link_search() {
+      return (opts["html-link-search"]) ? true : false;
+    }
+    @trusted bool html() {
+      return (opts["html"] || opts["html-seg"] || opts["html-scroll"]) ? true : false;
+    }
+    @trusted bool html_seg() {
+      return (opts["html"] || opts["html-seg"]) ? true : false;
+    }
+    @trusted bool html_scroll() {
+      return (opts["html"] || opts["html-scroll"]) ? true : false;
+    }
+    @trusted bool html_stuff() {
+      return (opts["html"] || opts["html-scroll"] || opts["html-seg"]) ? true : false;
+    }
+    @trusted bool latex() {
+      return (opts["latex"] || opts["pdf"]) ? true : false;
+    }
+    @trusted bool latex_color_links() {
+      return (opts["latex-color-links"] || opts["pdf-color-links"]) ? true : false;
+    }
+    @trusted bool latex_document_header_sty() {
+      return (opts["latex-init"] || opts["latex-header-sty"] || opts["pdf-init"]) ? true : false;
+    }
+    @trusted bool manifest() {
+      return opts["manifest"];
+    }
+    @trusted bool odt() {
+      return (opts["odf"] || opts["odt"]) ? true : false;
+    }
+    @trusted bool ocn_hidden() {
+      return opts["hide-ocn"];
+    }
+    @trusted bool ocn_off() {
+      return opts["ocn-off"];
+    }
+    @trusted bool pod() {
+      return opts["pod"];
+    }
+    @trusted bool show_config() {
+      return opts["show-config"];
+    }
+    @trusted bool show_curate() {
+      return opts["show-curate"];
+    }
+    @trusted bool show_curate_authors() {
+      return (opts["show-curate"] || opts["show-curate-authors"] || opts["vox_gt1"] || opts["vox_gt2"]) ? true : false;
+    }
+    @trusted bool show_curate_topics() {
+      return (opts["show-curate"] || opts["show-curate-topics"] || opts["vox_gt2"]) ? true : false;
+    }
+    @trusted bool show_epub() {
+      return opts["show-epub"];
+    }
+    @trusted bool show_html() {
+      return opts["show-html"];
+    }
+    @trusted bool show_latex() {
+      return opts["show-latex"];
+    }
+    @trusted bool show_make() {
+      return opts["show-make"];
+    }
+    @trusted bool show_manifest() {
+      return opts["show-manifest"];
+    }
+    @trusted bool show_metadata() {
+      return opts["show-metadata"];
+    }
+    @trusted bool show_pod() {
+      return opts["show-pod"];
+    }
+    @trusted bool show_sqlite() {
+      return (opts["show-sqlite"] || opts["vox_gt2"]) ? true : false;
+    }
+    @trusted bool show_summary() {
+      return (opts["show-summary"] || opts["vox_gt1"] || opts["vox_gt2"]) ? true : false;
+    }
+    @trusted bool source() {
+      return opts["source"];
+    }
+    @trusted bool source_or_pod() {
+      return (opts["pod"] || opts["source"]) ? true : false;
+    }
+    @trusted bool sqlite_discrete() {
+      return opts["sqlite-discrete"];
+    }
+    @trusted bool sqlite_db_drop() {
+      return (opts["sqlite-db-recreate"] || opts["sqlite-db-drop"]) ? true : false;
+    }
+    @trusted bool sqlite_db_create() {
+      return (opts["sqlite-db-recreate"] || opts["sqlite-db-create"]) ? true : false;
+    }
+    @trusted bool sqlite_delete() {
+      return opts["sqlite-delete"];
+    }
+    @trusted bool sqlite_update() {
+      return (opts["sqlite-update"] || opts["sqlite-insert"]) ? true : false;
+    }
+    @trusted bool sqlite_shared_db_action() {
+      return (
+        opts["sqlite-db-recreate"]
+        || opts["sqlite-db-create"]
+        || opts["sqlite-delete"]
+        || opts["sqlite-insert"]
+        || opts["sqlite-update"]
+      ) ? true : false;
+    }
+    @trusted bool vox_is0() { // --quiet -q
+      return opts["vox_is0"];
+    }
+    @trusted bool vox_gt0() { // normal, minimal, without flag
+      return (!(opts["vox_is0"]) || opts["vox_gt1"] || opts["vox_gt2"]) ? true : false;
+    }
+    @trusted bool vox_gt1() { // -- verbose -v
+      return (opts["vox_gt1"] || opts["vox_gt2"]) ? true : false;
+    }
+    @trusted bool vox_gt2() { // --very-verbose
+      return opts["vox_gt2"];
+    }
+    @trusted bool text() {
+      return opts["text"];
+    }
+    @trusted bool xhtml() {
+      return opts["xhtml"];
+    }
+    @trusted bool section_toc() {
+      return opts["section_toc"];
+    }
+    @trusted bool section_body() {
+      return opts["section_body"];
+    }
+    @trusted bool section_endnotes() {
+      return opts["section_endnotes"];
+    }
+    @trusted bool section_glossary() {
+      return opts["section_glossary"];
+    }
+    @trusted bool section_biblio() {
+      return opts["section_biblio"];
+    }
+    @trusted bool section_bookindex() {
+      return opts["section_bookindex"];
+    }
+    @trusted bool section_blurb() {
+      return opts["section_blurb"];
+    }
+    @trusted bool backmatter() {
+      return opts["backmatter"];
+    }
+    @trusted bool skip_output() {
+      return opts["skip-output"];
+    }
+    @trusted bool workon() {
+      return opts["workon"];
+    }
+    @trusted string[] languages_set() {
+      return settings["lang"].split(",");
+    }
+    @trusted string output_dir_set() {
+      return settings["output"];
+    }
+    @trusted string sqliteDB_filename() {
+      return settings["sqlite-db-filename"];
+    }
+    @trusted string sqliteDB_path() {
+      return settings["sqlite-db-path"];
+    }
+    @trusted string cgi_bin_root() {
+      return settings["cgi-bin-root"];
+    }
+    @trusted string cgi_search_title() {
+      return settings["cgi-search-title"];
+    }
+    @trusted string cgi_sqlite_search_filename() {
+      return settings["cgi-sqlite-search-filename"];
+    }
+    @trusted string cgi_sqlite_search_filename_d() {
+      return (settings["cgi-sqlite-search-filename"].length > 0)
+      ? (settings["cgi-sqlite-search-filename"].translate(['-' : "_"]) ~ ".d")
+      : "";
+    }
+    @trusted string cgi_url_root() {
+      return settings["cgi-url-root"];
+    }
+    @trusted string cgi_url_action() {
+      return settings["cgi-url-action"];
+    }
+    @trusted string hash_digest_type() {
+      return settings["set-digest"];
+    }
+    @trusted string text_wrap() {
+      return settings["set-textwrap"];
+    }
+    @trusted string latex_papersize() {
+      return settings["set-papersize"];
+    }
+    @trusted string webserver_host_name() {
+      return settings["www-host"];
+    }
+    @trusted string webserver_host_doc_root() {
+      return settings["www-host-doc-root"];
+    }
+    @trusted string webserver_url_doc_root() {
+      return settings["www-url-doc-root"];
+    }
+    @trusted string webserver_http() {
+      return settings["www-http"];
+    }
+    @trusted bool parallelise() {
+      bool _is;
+      if (opts["serial"] == true) {
+        _is = false;
+      } else if (sqlite_shared_db_action) {
+        _is = false;
+      } else if (opts["parallel"] == true) {
+        _is = true;
+        if (sqlite_shared_db_action) { _is = false; }
+      } else if (
+        opts["abstraction"]
+        || concordance
+        || curate
+        || html
+        || epub
+        || odt
+        || latex
+        || manifest
+        || source_or_pod
+        || sqlite_discrete
+      ) {
+        _is = true;
+      } else { _is = false; }
+      return _is;
+    }
+    @trusted bool parallelise_subprocesses() {
+      return opts["parallel-subprocesses"];
+    }
+    auto output_task_scheduler() {
+      int[] schedule;
+      if (source_or_pod) {
+        schedule ~= outTask.source_or_pod;
+      }
+      if (sqlite_discrete) {
+        schedule ~= outTask.sqlite;
+      }
+      if (epub) {
+        schedule ~= outTask.epub;
+      }
+      if (html_scroll) {
+        schedule ~= outTask.html_scroll;
+      }
+      if (html_seg) {
+        schedule ~= outTask.html_seg;
+      }
+      if (html_stuff) {
+        schedule ~= outTask.html_stuff;
+      }
+      if (odt) {
+        schedule ~= outTask.odt;
+      }
+      if (latex) {
+        schedule ~= outTask.latex;
+      }
+      return schedule.sort().uniq;
+    }
+    @trusted bool abstraction() {
+      return (
+        opts["abstraction"]
+        || concordance
+        || source_or_pod
+        || curate
+        || html
+        || epub
+        || odt
+        || latex
+        || manifest
+        || sqlite_discrete
+        || sqlite_delete
+        || sqlite_update
+      ) ? true : false;
+    }
+    @trusted bool require_processing_files() {
+      return (
+        opts["abstraction"]
+        || epub
+        || curate
+        || html
+        || html_seg
+        || html_scroll
+        || latex
+        || odt
+        || manifest
+        || show_make
+        || show_metadata
+        || show_summary
+        || source_or_pod
+        || sqlite_discrete
+        || sqlite_update
+        || text
+        || xhtml
+      ) ? true : false;
+    }
+    @trusted bool meta_processing_general() {
+      return (
+        opts["abstraction"]
+        || curate
+        || html
+        || epub
+        || odt
+        || latex
+        || sqlite_discrete
+        || sqlite_update
+      ) ? true :false;
+    }
+    @trusted bool meta_processing_xml_dom() {
+      return (
+        opts["abstraction"]
+        || html
+        || epub
+        || odt
+        || sqlite_discrete
+        || sqlite_update
+      ) ? true : false;
+    }
+  }
+  OptActions _opt_action = OptActions();
+  auto program_info() {
+    struct ProgramInfo {
+      string project() {
+        return project_name;
+      }
+      string name() {
+        return program_name;
+      }
+      string ver() {
+        return format("%s.%s.%s",
+          _ver.major, _ver.minor, _ver.patch,
+        );
+      }
+      string compiler() {
+        return format ("%s D:%s, %s %s",
+          __VENDOR__, __VERSION__,
+          bits, os,
+        );
+      }
+      @trusted string name_and_version() {
+        return format("%s-%s", name, ver);
+      }
+      @trusted string name_version_and_compiler() {
+        return format("%s-%s (%s)", name, ver, compiler);
+      }
+      auto time_output_generated() {
+        auto _st = Clock.currTime(UTC());
+        auto _t  = TimeOfDay(_st.hour, _st.minute, _st.second);
+        auto _time = _st.year.to!string
+          ~ "-" ~ _st.month.to!int.to!string // prefer as month number
+          ~ "-" ~ _st.day.to!string
+          ~ " [" ~ _st.isoWeek.to!string ~ "/" ~ _st.dayOfWeek.to!int.to!string ~ "]"
+          ~ " - " ~ _t.toISOExtString
+          // ~ " " ~ _st.hour.to!string ~ ":" ~ _st.minute.to!string ~ ":" ~ _st.second.to!string
+          ~ " UTC";
+        return _time;
+        // return _st.toISOExtString();
+      }
+    }
+    return ProgramInfo();
+  }
+  auto _env = [
+    "pwd" :     environment["PWD"],
+    "home" :    environment["HOME"],
+  ];
+  auto _manifested = PathMatters!()(_opt_action, _env, "");
+  auto _manifests = [ _manifested ];
+  auto _conf_file_details = configFilePaths!()(_manifested, _env, _opt_action.config_path_set);
+  ConfComposite _siteConfig;
+  if (
+    _opt_action.require_processing_files
+    && _opt_action.config_path_set.empty
+  ) {
+    foreach(arg; args[1..$]) {
+      if (!(arg.match(rgx.flag_action))) { /+ cli markup source path +/ // get first input markup source file names for processing
+        _manifested = PathMatters!()(_opt_action, _env, arg);
+        { /+ local site config +/
+          _conf_file_details = configFilePaths!()(_manifested, _env, _opt_action.config_path_set);
+          auto _config_local_site_struct = readConfigSite!()(_conf_file_details, _opt_action, _cfg);
+          import sisudoc.meta.conf_make_meta_yaml;
+          _siteConfig = _config_local_site_struct.configParseYAMLreturnSpineStruct!()(_siteConfig, _manifested, _opt_action, _cfg); // - get local site config
+          break;
+        }
+      }
+    }
+  } else { /+ local site config +/
+    auto _config_local_site_struct = readConfigSite!()(_conf_file_details, _opt_action, _cfg);
+    import sisudoc.meta.conf_make_meta_yaml;
+    _siteConfig = _config_local_site_struct.configParseYAMLreturnSpineStruct!()(_siteConfig, _manifested, _opt_action, _cfg); // - get local site config
+  }
+  if (_opt_action.show_config) {
+    import sisudoc.meta.metadoc_show_config;
+    spineShowSiteConfig!()(_opt_action, _siteConfig);
+  }
+  if (!(_opt_action.skip_output)) {
+    if ((_opt_action.debug_do)
+      || (_opt_action.debug_do_stages)
+    ) {
+      writeln("step0 commence → (without processing files)");
+    }
+    outputHubOp!()(_env, _opt_action, _siteConfig);
+    if ((_opt_action.debug_do)
+      || (_opt_action.debug_do_stages)
+    ) {
+      writeln("- step0 complete");
+    }
+  }
+  ConfComposite _make_and_meta_struct = _siteConfig;
+  destroy(_siteConfig);
+  foreach(arg; args[1..$]) {
+    if (arg.match(rgx.flag_action)) { /+ cli instruction, flag do +/
+      flag_action ~= " " ~ arg;   // flags not taken by getopt
+    } else if (_opt_action.require_processing_files) { /+ cli, assumed to be path to source files +/
+      auto _manifest_start = PodManifest!()(_opt_action, arg);
+      if ( /+ pod files +/
+        !(arg.match(rgx_files.src_pth_sst_or_ssm))
+        && _manifest_start.pod_manifest_file_with_path
+        && _opt_action.abstraction
+      ) {
+        string pod_manifest_root_content_paths_to_markup_location_raw_;
+        string markup_contents_location_;
+        string sisudoc_txt_ = _manifest_start.pod_manifest_file_with_path;
+        enforce(
+          exists(sisudoc_txt_)!=0,
+          "file not found: «" ~
+          sisudoc_txt_ ~ "»"
+        );
+        if (exists(sisudoc_txt_)) {
+          try {
+            if (exists(sisudoc_txt_)) {
+              import dyaml;
+              try {
+                Node pod_manifest_yaml;
+                try {
+                  pod_manifest_yaml = Loader.fromFile(sisudoc_txt_).load();
+                } catch (ErrnoException ex) {
+                } catch (FileException ex) {
+                  writeln("ERROR failed to read config file");
+                } catch (Throwable) {
+                  writeln("ERROR failed to read config file content, not parsed as yaml");
+                }
+                if ("doc" in pod_manifest_yaml) {
+                  if (pod_manifest_yaml["doc"].type.mapping
+                    && pod_manifest_yaml["doc"].tag.match(rgx_y.yaml_tag_is_map)
+                  ) {
+                    if ("path" in pod_manifest_yaml["doc"]) {
+                      if (pod_manifest_yaml["doc"]["path"].tag.match(rgx_y.yaml_tag_is_seq)) {
+                        foreach (string _path; pod_manifest_yaml["doc"]["path"]) {
+                          markup_contents_location_ ~= _path ~ "\n";
+                          pod_manifest_root_content_paths_to_markup_location_raw_ ~=
+                            _path ~ "\n";
+                        }
+                      } else if (
+                        pod_manifest_yaml["doc"]["path"].type.string
+                        && pod_manifest_yaml["doc"]["path"].tag.match(rgx_y.yaml_tag_is_str)
+                      ) {
+                        markup_contents_location_ = pod_manifest_yaml["doc"]["path"].get!string;
+                        pod_manifest_root_content_paths_to_markup_location_raw_ =
+                          pod_manifest_yaml["doc"]["path"].get!string;
+                      }
+                    }
+                    if ("filename" in pod_manifest_yaml["doc"]) {
+                      if (pod_manifest_yaml["doc"]["filename"].tag.match(rgx_y.yaml_tag_is_seq)) {
+                        foreach (string _filename; pod_manifest_yaml["doc"]["filename"]) {
+                          if ("language" in pod_manifest_yaml["doc"]) {
+                            if (pod_manifest_yaml["doc"]["language"].tag.match(rgx_y.yaml_tag_is_seq)) {
+                              foreach (string _lang; pod_manifest_yaml["doc"]["language"]) {
+                                markup_contents_location_ ~=
+                                  "media/text/"
+                                  ~ _lang ~ "/"
+                                  ~ _filename ~ "\n";
+                              }
+                            } else if (pod_manifest_yaml["doc"]["language"].tag.match(rgx_y.yaml_tag_is_str)
+                            ) {
+                              markup_contents_location_ =
+                                "media/text/"
+                                ~ pod_manifest_yaml["doc"]["language"].get!string
+                                ~ "/" ~ _filename ~ "\n";
+                            } else {
+                              string _lang_default = "en";
+                              markup_contents_location_ ~=
+                                "media/text/"
+                                ~ _lang_default ~ "/"
+                                ~ pod_manifest_yaml["doc"]["filename"].get!string ~ "\n";
+                            }
+                          } else {
+                            string _lang_default = "en";
+                            markup_contents_location_ ~=
+                              "media/text/"
+                              ~ _lang_default ~ "/"
+                              ~ pod_manifest_yaml["doc"]["filename"].get!string ~ "\n";
+                          }
+                        }
+                      } else if (
+                        pod_manifest_yaml["doc"]["filename"].type.string
+                        && pod_manifest_yaml["doc"]["filename"].tag.match(rgx_y.yaml_tag_is_str)
+                      ) {
+                        if ("language" in pod_manifest_yaml["doc"]) {
+                          if (pod_manifest_yaml["doc"]["language"].tag.match(rgx_y.yaml_tag_is_seq)) {
+                            foreach (string _lang; pod_manifest_yaml["doc"]["language"]) {
+                              markup_contents_location_ ~=
+                                "media/text/"
+                                ~ _lang ~ "/"
+                                ~ pod_manifest_yaml["doc"]["filename"].get!string ~ "\n";
+                            }
+                          } else if (pod_manifest_yaml["doc"]["language"].tag.match(rgx_y.yaml_tag_is_str)) {
+                            markup_contents_location_ =
+                              "media/text/"
+                              ~ pod_manifest_yaml["doc"]["language"].get!string
+                              ~ "/" ~ pod_manifest_yaml["doc"]["filename"].get!string ~ "\n";
+                          } else {
+                            string _lang_default = "en";
+                            markup_contents_location_ ~=
+                              "media/text/"
+                              ~ _lang_default ~ "/"
+                              ~ pod_manifest_yaml["doc"]["filename"].get!string ~ "\n";
+                          }
+                        } else {
+                          string _lang_default = "en";
+                          markup_contents_location_ ~=
+                            "media/text/"
+                            ~ _lang_default ~ "/"
+                            ~ pod_manifest_yaml["doc"]["filename"].get!string ~ "\n";
+                        }
+                      }
+                    }
+                  }
+                }
+              } catch (ErrnoException ex) {
+              }
+            }
+          } catch (ErrnoException ex) {
+          } catch (FileException ex) {
+            // Handle errors
+          }
+        } else {
+          writeln("manifest not found: ", sisudoc_txt_);
+        }
+        auto markup_contents_locations_arr
+          = (cast(char[]) markup_contents_location_).split;
+        auto tmp_dir_ = (sisudoc_txt_).dirName.array;
+        foreach (markup_contents_location; markup_contents_locations_arr) {
+          assert(markup_contents_location.match(rgx_files.src_pth_sst_or_ssm),
+            "not a recognised file: «" ~
+            markup_contents_location ~ "»"
+          );
+          auto markup_contents_location_pth_ = (markup_contents_location).to!string;
+          Regex!(char) lang_rgx_ = regex(r"/(" ~ _opt_action.languages_set.join("|") ~ ")/");
+          if (_opt_action.languages_set[0] == "all"
+            || (markup_contents_location_pth_).match(lang_rgx_)
+          ) {
+            auto _fns = (((tmp_dir_).chainPath(markup_contents_location_pth_)).array).to!string;
+            _manifested = PathMatters!()(_opt_action, _env, arg, _fns, markup_contents_locations_arr);
+            _manifests ~= _manifested;
+          }
+        }
+      } else if (arg.match(rgx_files.src_pth_sst_or_ssm)) { /+ markup txt files +/
+        if (exists(arg)==0) {
+          writeln("ERROR >> Processing Skipped! File not found: ", arg);
+        } else {
+          _manifested = PathMatters!()(_opt_action, _env, arg, arg);
+          _manifests ~= _manifested;
+        }
+      } else if (arg.match(rgx_files.src_pth_zip)) {
+        // fns_src ~= arg;          // gather input markup source file names for processing
+      } else {                      // anything remaining, unused
+        arg_unrecognized ~= " " ~ arg;
+      }
+    }
+  }
+  if (_manifests.length > 1                            // _manifests[0] initialized dummy element
+  && _opt_action.abstraction) {
+    /+ ↓ output hub +/
+    if (!(_opt_action.skip_output)) {
+      outputHubInitialize!()(_opt_action, program_info);
+    }
+    if (_opt_action.parallelise) {                     // see else
+      import std.parallelism;
+      foreach(manifest; parallel(_manifests[1..$])) {
+        if (!empty(manifest.src.filename)) {
+          scope(success) {
+            if (_opt_action.vox_gt0) {
+              writefln(
+                "%s",
+                "-- ~ document complete, ok ~ ------------------------------------",
+              );
+            }
+          }
+          scope(failure) {
+            debug(checkdoc) {
+              stderr.writefln(
+                "~ document run failure ~ (%s  v%s)\n\t%s\n%s",
+                __VENDOR__, __VERSION__,
+                manifest.src.filename,
+                "------------------------------------------------------------------",
+              );
+            }
+          }
+          enforce(
+            manifest.src.filename.match(rgx_files.src_pth_types),
+            "not a sisu markup filename: «" ~
+            manifest.src.filename ~ "»"
+          );
+          if ((_opt_action.debug_do)
+            || (_opt_action.debug_do_stages)
+          ) {
+            writeln("--->\nstepX commence → (document abstraction) [", manifest.src.filename, "]");
+          }
+          auto t = spineAbstraction!()(_env, program_info, _opt_action, _cfg, manifest, _make_and_meta_struct);
+          static assert(t.length==2);
+          auto doc_abstraction = t[dAM.abstraction];
+          auto doc_matters = t[dAM.matters];
+          if ((doc_matters.opt.action.debug_do)
+            || (_opt_action.debug_do_stages)
+          ) {
+            writeln("- stepX complete for [", manifest.src.filename, "]");
+          }
+          /+ ↓ debugs +/
+          if (doc_matters.opt.action.show_summary) {
+            import sisudoc.meta.metadoc_show_summary;
+            spineMetaDocSummary!()(doc_abstraction, doc_matters);
+          }
+          /+ ↓ debugs +/
+          if (doc_matters.opt.action.show_metadata) {
+            import sisudoc.meta.metadoc_show_metadata;
+            spineShowMetaData!()(doc_matters);
+          }
+          /+ ↓ debugs +/
+          if (doc_matters.opt.action.show_make) {
+            import sisudoc.meta.metadoc_show_make;
+            spineShowMake!()(doc_matters);
+          }
+          /+ ↓ debugs +/
+          if (doc_matters.opt.action.show_config) {
+            import sisudoc.meta.metadoc_show_config;
+            spineShowConfig!()(doc_matters);
+          }
+          if (doc_matters.opt.action.curate) {
+            auto _hvst = spineMetaDocCurate!()(doc_matters, hvst);
+            if (
+              _hvst.title.length > 0
+              && _hvst.author_surname_fn.length > 0
+            ) {
+              hvst.curates ~= _hvst;
+            } else {
+              if ((doc_matters.opt.action.debug_do)
+                || (_opt_action.debug_do_curate)
+                || (doc_matters.opt.action.vox_gt2)
+              ) {
+                writeln("WARNING curate: document header yaml does not contain information related to: title or author: ", _hvst.path_html_segtoc);
+              }
+            }
+          }
+          /+ ↓ debugs +/
+          if (doc_matters.opt.action.debug_do) {
+            spineDebugs!()(doc_abstraction, doc_matters);
+          }
+          /+ ↓ output hub +/
+          if (!(doc_matters.opt.action.skip_output)) {
+            if ((_opt_action.debug_do)
+              || (_opt_action.debug_do_stages)
+            ) {
+              writeln("step5 commence → (process outputs) [", manifest.src.filename, "]");
+            }
+            doc_abstraction.outputHub!()(doc_matters);
+            if ((_opt_action.debug_do)
+              || (_opt_action.debug_do_stages)
+            ) {
+              writeln("- step5 complete for [", manifest.src.filename, "]");
+            }
+          }
+          scope(exit) {
+            if (_opt_action.vox_gt0) {
+              writefln(
+                "processed file: %s [%s]",
+                manifest.src.filename,
+                manifest.src.language
+              );
+            }
+            destroy(manifest);
+          }
+        } else {
+          /+ no recognized filename provided +/
+          writeln("no recognized filename");
+          break; // terminate, stop
+        }
+      }
+    } else {                                           // note cannot parallelise sqlite shared db
+      foreach(manifest; _manifests[1..$]) {
+        if (_opt_action.vox_gt2) {
+          writeln("parallelisation off: actions include sqlite shared db");
+        }
+        if (!empty(manifest.src.filename)) {
+          scope(success) {
+            if (_opt_action.vox_gt0) {
+              writefln(
+                "%s",
+                "-- ~ document complete, ok ~ ------------------------------------",
+              );
+            }
+          }
+          scope(failure) {
+            debug(checkdoc) {
+              stderr.writefln(
+                "~ document run failure ~ (%s  v%s)\n\t%s\n%s",
+                __VENDOR__, __VERSION__,
+                manifest.src.filename,
+                "------------------------------------------------------------------",
+              );
+            }
+          }
+          enforce(
+            manifest.src.filename.match(rgx_files.src_pth_types),
+            "not a sisu markup filename: «" ~
+            manifest.src.filename ~ "»"
+          );
+          if ((_opt_action.debug_do)
+            || (_opt_action.debug_do_stages)
+          ) {
+            writeln("--->\nstepX commence → (document abstraction) [", manifest.src.filename, "]");
+          }
+          auto t = spineAbstraction!()(_env, program_info, _opt_action, _cfg, manifest, _make_and_meta_struct);
+          static assert(t.length==2);
+          auto doc_abstraction = t[dAM.abstraction];
+          auto doc_matters = t[dAM.matters];
+          if ((doc_matters.opt.action.debug_do)
+            || (_opt_action.debug_do_stages)
+          ) {
+            writeln("- stepX complete for [", manifest.src.filename, "]");
+          }
+          /+ ↓ debugs +/
+          if (doc_matters.opt.action.show_summary) {
+            import sisudoc.meta.metadoc_show_summary;
+            spineMetaDocSummary!()(doc_abstraction, doc_matters);
+          }
+          /+ ↓ debugs +/
+          if (doc_matters.opt.action.show_metadata) {
+            import sisudoc.meta.metadoc_show_metadata;
+            spineShowMetaData!()(doc_matters);
+          }
+          /+ ↓ debugs +/
+          if (doc_matters.opt.action.show_make) {
+            import sisudoc.meta.metadoc_show_make;
+            spineShowMake!()(doc_matters);
+          }
+          /+ ↓ debugs +/
+          if (doc_matters.opt.action.show_config) {
+            import sisudoc.meta.metadoc_show_config;
+            spineShowConfig!()(doc_matters);
+          }
+          if (doc_matters.opt.action.curate) {
+            auto _hvst = spineMetaDocCurate!()(doc_matters, hvst);
+            if (
+              _hvst.title.length > 0
+              && _hvst.author_surname_fn.length > 0
+            ) {
+              hvst.curates ~= _hvst;
+            } else {
+              if ((doc_matters.opt.action.debug_do)
+                || (_opt_action.debug_do_curate)
+                || (doc_matters.opt.action.vox_gt2)
+              ) {
+                writeln("WARNING curate: document header yaml does not contain information related to: title or author: ", _hvst.path_html_segtoc);
+              }
+            }
+          }
+          /+ ↓ debugs +/
+          if (doc_matters.opt.action.debug_do) {
+            spineDebugs!()(doc_abstraction, doc_matters);
+          }
+          /+ ↓ output hub +/
+          if (!(doc_matters.opt.action.skip_output)) {
+            if ((_opt_action.debug_do)
+              || (_opt_action.debug_do_stages)
+            ) {
+              writeln("step5 commence → (process outputs) [", manifest.src.filename, "]");
+            }
+            doc_abstraction.outputHub!()(doc_matters);
+            if ((_opt_action.debug_do)
+              || (_opt_action.debug_do_stages)
+            ) {
+              writeln("- step5 complete for [", manifest.src.filename, "]");
+            }
+          }
+          scope(exit) {
+            if (_opt_action.vox_gt0) {
+              writefln(
+                "processed file: %s [%s]",
+                manifest.src.filename,
+                manifest.src.language
+              );
+            }
+            destroy(manifest);
+          }
+        } else {
+          /+ no recognized filename provided +/
+          writeln("no recognized filename");
+          break; // terminate, stop
+        }
+      }
+    }
+  }
+  if (hvst.curates.length > 0) {
+    if (_opt_action.curate_topics) {
+      spineMetaDocCuratesTopics!()(hvst, _make_and_meta_struct, _opt_action);
+    }
+    if (_opt_action.curate_authors) {
+      spineMetaDocCuratesAuthors!()(hvst.curates, _make_and_meta_struct, _opt_action);
+    }
+    if (_opt_action.vox_gt0) {
+      import sisudoc.io_out.paths_output;
+      auto out_pth = spinePathsHTML!()(_make_and_meta_struct.conf.output_path, "");
+      if (_opt_action.curate_authors) {
+        writeln("- ", out_pth.curate("authors.html"));
+      }
+      if (_opt_action.curate_topics) {
+        writeln("- ", out_pth.curate("topics.html"));
+      }
+    }
+  } // else { writeln("NO METADATA CURATED"); }
+}
-- 
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