From 5f6caf585c7ccaac0a4310987c85fdcfd3bcff3d Mon Sep 17 00:00:00 2001
From: Ralph Amissah <ralph.amissah@gmail.com>
Date: Tue, 29 Jan 2019 17:00:31 -0500
Subject: =?UTF-8?q?format=20delimiter=20s/=C2=B6/=E2=94=8B/g?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 src/doc_reform/meta/metadoc_from_src.d |  10 +--
 src/doc_reform/meta/rgx.d              |   3 +-
 src/doc_reform/output/epub3.d          |  56 +++++++-------
 src/doc_reform/output/paths_output.d   |   2 +-
 src/doc_reform/output/rgx.d            |   3 +-
 src/doc_reform/output/sqlite.d         |  48 ++++++------
 src/doc_reform/output/xmls.d           | 130 ++++++++++++++++-----------------
 7 files changed, 125 insertions(+), 127 deletions(-)

(limited to 'src/doc_reform')

diff --git a/src/doc_reform/meta/metadoc_from_src.d b/src/doc_reform/meta/metadoc_from_src.d
index 5df5e87..2dfd746 100644
--- a/src/doc_reform/meta/metadoc_from_src.d
+++ b/src/doc_reform/meta/metadoc_from_src.d
@@ -712,13 +712,9 @@ template DocReformDocAbstraction() {
           /+ within block object: block +/
           line = line._doc_header_and_make_substitutions_(conf_make_meta);
           line = line._doc_header_and_make_substitutions_fontface_(conf_make_meta);
-          if (auto m = line.match(rgx.spaces_line_start)) {
+          if (auto m = line.match(rgx.spaces_keep)) {
             line = line
-              .replaceAll(rgx.spaces_line_start, (m.captures[1]).translate([ ' ' : mkup.nbsp ]));
-          }
-          if (auto m = line.match(rgx.spaces_multiple)) {
-            line = line
-              .replaceAll(rgx.spaces_multiple, (m.captures[1]).translate([ ' ' : mkup.nbsp ]));
+              .replaceAll(rgx.spaces_keep, (m.captures[1]).translate([ ' ' : mkup.nbsp ]));
           }
           line._block_block_(an_object, obj_type_status);
           continue;
@@ -1743,7 +1739,7 @@ template DocReformDocAbstraction() {
             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)
+              format(q"┋┥%s┝┤%s├┋", "$1", i)
             );
           }
         }
diff --git a/src/doc_reform/meta/rgx.d b/src/doc_reform/meta/rgx.d
index dcfc245..df294e8 100644
--- a/src/doc_reform/meta/rgx.d
+++ b/src/doc_reform/meta/rgx.d
@@ -200,6 +200,7 @@ static template DocReformRgxInit() {
     static newline                                        = ctRegex!("\n", "mg");
     static strip_br                                       = ctRegex!("^<br>\n|<br>\n*$");
     static space                                          = ctRegex!(`[ ]`, "mg");
+    static spaces_keep                                    = ctRegex!(`(?P<keep_spaces>^[ ]+|[ ]{2,})`, "mg"); // code, verse, block
     static spaces_line_start                              = ctRegex!(`^(?P<opening_spaces>[ ]+)`, "mg");
     static spaces_multiple                                = ctRegex!(`(?P<multiple_spaces>[ ]{2,})`, "mg");
     static two_spaces                                     = ctRegex!(`[ ]{2}`, "mg");
@@ -269,7 +270,7 @@ static template DocReformRgxInit() {
     static inline_seg_link                                = ctRegex!(`(¤)(?:.+?)\.fnSuffix`, "mg");
     static mark_internal_site_lnk                         = ctRegex!(`¤`, "mg");
     static quotation_mark_sql_insert_delimiter            = ctRegex!("[']", "mg");
-    static quotation_mark_various                         = ctRegex!(q"¶['‘’“”"`´¨]¶", "mg");
+    static quotation_mark_various                         = ctRegex!(q"┋['‘’“”"`´¨]┋", "mg");
     /+ inline markup font face mod +/
     static inline_faces                                   = ctRegex!(`(?P<markup>(?P<mod>[*!_^,+#-])\{(?P<text>.+?)\}[*!_^,+#-])`, "mg");
     static inline_emphasis                                = ctRegex!(`\*\{(?P<text>.+?)\}\*`, "mg");
diff --git a/src/doc_reform/output/epub3.d b/src/doc_reform/output/epub3.d
index f57229b..97d8427 100644
--- a/src/doc_reform/output/epub3.d
+++ b/src/doc_reform/output/epub3.d
@@ -16,25 +16,25 @@ template outputEPub3() {
   mixin outputXHTMLs;
   string epub3_mimetypes() {
     string o;
-    o = format(q"¶application/epub+zip¶") ~ "\n";
+    o = format(q"┋application/epub+zip┋") ~ "\n";
     return o;
   }
   string epub3_container_xml() {
     string o;
-    o = format(q"¶<?xml version='1.0' encoding='utf-8'?>¶") ~ "\n";
-    o ~= format(q"¶<container version="1.0"
+    o = format(q"┋<?xml version='1.0' encoding='utf-8'?>┋") ~ "\n";
+    o ~= format(q"┋<container version="1.0"
   xmlns="urn:oasis:names:tc:opendocument:xmlns:container">
   <rootfiles>
     <rootfile full-path="OEBPS/content.opf"
       media-type="application/oebps-package+xml" />
-  </rootfiles>¶") ~ "\n</container>\n";
+  </rootfiles>┋") ~ "\n</container>\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 = DocReformPathsEPUB!()(doc_matters.output_path, doc_matters.src.language);
     string _uuid = "18275d951861c77f78acd05672c9906924c59f18a2e0ba06dad95959693e9bd8"; // TODO sort uuid in doc_matters!
-    string content = format(q"¶  <?xml version='1.0' encoding='utf-8'?>
+    string content = format(q"┋  <?xml version='1.0' encoding='utf-8'?>
   <package xmlns="http://www.idpf.org/2007/opf" version="2.0" unique-identifier="EPB-UUID">
     <metadata
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
@@ -61,7 +61,7 @@ template outputEPub3() {
         <link rel="stylesheet" href="%s" type="text/css" id="main-css" />
       <!-- nav epub3 navigation -->
         <item id="nav" href="toc_nav.xhtml" media-type="application/xhtml+xml" properties="nav" />
-  ¶",
+  ┋",
       _uuid,
       xhtml_format.special_characters_text(doc_matters.conf_make_meta.meta.title_full),
       xhtml_format.special_characters_text(doc_matters.conf_make_meta.meta.title_main),
@@ -86,8 +86,8 @@ template outputEPub3() {
     // TODO sort jpg & png
     content ~= "    " ~ "<!-- Images -->" ~ "\n  ";
     foreach (image; doc_matters.srcs.image_list) {
-      content ~= format(q"¶      <item id="%s" href="%s/%s" media-type="image/%s" />
-  ¶",
+      content ~= format(q"┋      <item id="%s" href="%s/%s" media-type="image/%s" />
+  ┋",
         image.baseName.stripExtension,
         (pth_epub3.doc_oebps_image(doc_matters.src.filename)).chompPrefix("OEBPS/"),
         image,
@@ -213,7 +213,7 @@ template outputEPub3() {
     auto markup = InlineMarkup();
     auto rgx = Rgx();
     enum DomTags { none, open, close, close_and_open, open_still, }
-    string toc = format(q"¶<?xml version='1.0' encoding='utf-8'?>
+    string toc = format(q"┋<?xml version='1.0' encoding='utf-8'?>
   <ncx xmlns="http://www.daisy.org/z3986/2005/ncx/" version="2005-1">
   <head>
     <!-- four required metadata items (for all NCX documents,
@@ -232,7 +232,7 @@ template outputEPub3() {
   <docAuthor>
     <text>%s</text>
   </docAuthor>
-  <navMap>¶",
+  <navMap>┋",
       doc_matters.conf_make_meta.meta.title_full,                          // title
       (doc_matters.conf_make_meta.meta.creator_author.empty) ? ""
         : " by " ~ doc_matters.conf_make_meta.meta.creator_author,         // author
@@ -255,12 +255,12 @@ template outputEPub3() {
             case DomTags.close_and_open :
               ++counter;
               toc ~= "\n    </navPoint>";
-              toc ~= format(q"¶
+              toc ~= format(q"┋
     <navPoint class="chapter" id="navpoint" playOrder="%s">
       <navLabel>
         <text>%s</text>
       </navLabel>
-      <content src="%s.xhtml%s" />¶",
+      <content src="%s.xhtml%s" />┋",
                 counter,
                 _txt,
                 obj.tags.segment_anchor_tag_epub,
@@ -269,12 +269,12 @@ template outputEPub3() {
               break;
             case DomTags.open :
               ++counter;
-              toc ~= format(q"¶
+              toc ~= format(q"┋
     <navPoint class="chapter" id="navpoint" playOrder="%s">
       <navLabel>
         <text>%s</text>
       </navLabel>
-      <content src="%s.xhtml%s" />¶",
+      <content src="%s.xhtml%s" />┋",
                 counter,
                 _txt,
                 obj.tags.segment_anchor_tag_epub,
@@ -288,8 +288,8 @@ template outputEPub3() {
         }
       }
     }
-    toc ~= format(q"¶  </navMap>
-  </ncx>¶");
+    toc ~= format(q"┋  </navMap>
+  </ncx>┋");
     return toc;
   }
   
@@ -552,40 +552,40 @@ template outputEPub3() {
           assert(obj.text.length > 0);
           if (obj.metainfo.heading_lev_markup <= 4) {
             oepbs_content_parts["manifest_documents"] ~=
-              format(q"¶      <item id="%s.xhtml" href="%s.xhtml" media-type="application/xhtml+xml" />
-  ¶",
+              format(q"┋      <item id="%s.xhtml" href="%s.xhtml" media-type="application/xhtml+xml" />
+  ┋",
               obj.tags.segment_anchor_tag_epub,
               obj.tags.segment_anchor_tag_epub,
             );
             oepbs_content_parts["spine"] ~=
-              format(q"¶    <itemref idref="%s.xhtml" linear="yes" />
-  ¶",
+              format(q"┋    <itemref idref="%s.xhtml" linear="yes" />
+  ┋",
               obj.tags.segment_anchor_tag_epub,
             );
             oepbs_content_parts["guide"] ~=
-              format(q"¶      <reference type="%s" href="%s" />
-  ¶",
+              format(q"┋      <reference type="%s" href="%s" />
+  ┋",
               obj.tags.segment_anchor_tag_epub,
               obj.tags.segment_anchor_tag_epub,
             );
           } else if (obj.metainfo.heading_lev_markup > 4) {
             oepbs_content_parts["manifest_documents"] ~=
-              format(q"¶      <item id="%s.xhtml#%s" href="%s.xhtml#%s" media-type="application/xhtml+xml" />
-  ¶",
+              format(q"┋      <item id="%s.xhtml#%s" href="%s.xhtml#%s" media-type="application/xhtml+xml" />
+  ┋",
               obj.tags.segment_anchor_tag_epub,
               obj.metainfo.object_number,
               obj.tags.segment_anchor_tag_epub,
               obj.metainfo.object_number,
             );
             oepbs_content_parts["spine"] ~=
-              format(q"¶    <itemref idref="%s.xhtml#%s" linear="yes" />
-  ¶",
+              format(q"┋    <itemref idref="%s.xhtml#%s" linear="yes" />
+  ┋",
               obj.tags.segment_anchor_tag_epub,
               obj.metainfo.object_number,
             );
             oepbs_content_parts["guide"] ~=
-              format(q"¶      <reference type="%s#%s" href="%s#%s" />
-  ¶",
+              format(q"┋      <reference type="%s#%s" href="%s#%s" />
+  ┋",
               obj.tags.segment_anchor_tag_epub,
               obj.metainfo.object_number,
               obj.tags.segment_anchor_tag_epub,
diff --git a/src/doc_reform/output/paths_output.d b/src/doc_reform/output/paths_output.d
index f6e8f1b..c35fa55 100644
--- a/src/doc_reform/output/paths_output.d
+++ b/src/doc_reform/output/paths_output.d
@@ -92,7 +92,7 @@ template DocReformPathsUrl() {
         return _doc_root;
       }
       string html_seg(string html_segname, string obj_id) { // TODO bespoke for sqlite
-        string _url = format(q"¶%s/%s/html/%s/%s.html#%s¶",
+        string _url = format(q"┋%s/%s/html/%s/%s.html#%s┋",
           doc_root,
           doc_matters.src.language,
           doc_matters.src.filename_base,
diff --git a/src/doc_reform/output/rgx.d b/src/doc_reform/output/rgx.d
index bfd2a4e..0483f1b 100644
--- a/src/doc_reform/output/rgx.d
+++ b/src/doc_reform/output/rgx.d
@@ -8,6 +8,7 @@ static template DocReformOutputRgxInit() {
     static newline                                        = ctRegex!("\n", "mg");
     static strip_br                                       = ctRegex!("^<br>\n|<br>\n*$");
     static space                                          = ctRegex!(`[ ]`, "mg");
+    static spaces_keep                                    = ctRegex!(`(?P<keep_spaces>^[ ]+|[ ]{2,})`, "mg"); // code, verse, block
     static spaces_line_start                              = ctRegex!(`^(?P<opening_spaces>[ ]+)`, "mg");
     static spaces_multiple                                = ctRegex!(`(?P<multiple_spaces>[ ]{2,})`, "mg");
     static two_spaces                                     = ctRegex!(`[ ]{2}`, "mg");
@@ -77,7 +78,7 @@ static template DocReformOutputRgxInit() {
     static inline_seg_link                                = ctRegex!(`(¤)(?:.+?)\.fnSuffix`, "mg");
     static mark_internal_site_lnk                         = ctRegex!(`¤`, "mg");
     static quotation_mark_sql_insert_delimiter            = ctRegex!("[']", "mg");
-    static quotation_mark_various                         = ctRegex!(q"¶['‘’“”"`´¨]¶", "mg");
+    static quotation_mark_various                         = ctRegex!(q"┋['‘’“”"`´¨]┋", "mg");
     /+ inline markup font face mod +/
     static inline_faces                                   = ctRegex!(`(?P<markup>(?P<mod>[*!_^,+#-])\{(?P<text>.+?)\}[*!_^,+#-])`, "mg");
     static inline_emphasis                                = ctRegex!(`\*\{(?P<text>.+?)\}\*`, "mg");
diff --git a/src/doc_reform/output/sqlite.d b/src/doc_reform/output/sqlite.d
index acfbff3..5f4e99d 100644
--- a/src/doc_reform/output/sqlite.d
+++ b/src/doc_reform/output/sqlite.d
@@ -459,9 +459,9 @@ template SQLiteFormatAndLoadObject() {
       ) {
         string _txt = munge_html(doc_matters, obj);
         _txt = inline_markup(doc_matters, obj, _txt);
-        string o = format(q"¶<p class="%s"><b>
+        string o = format(q"┋<p class="%s"><b>
             %s
-          </b></p>¶",
+          </b></p>┋",
             obj.metainfo.is_a,
             _txt,
           );
@@ -474,9 +474,9 @@ template SQLiteFormatAndLoadObject() {
         string _txt = munge_html(doc_matters, obj);
         _txt = (obj.attrib.bullet) ? ("●&#160;&#160;" ~ _txt) : _txt;
         _txt = inline_markup(doc_matters, obj, _txt);
-        string o = format(q"¶<p class="%s" indent="h%si%s">
+        string o = format(q"┋<p class="%s" indent="h%si%s">
           %s
-        </p>¶",
+        </p>┋",
             obj.metainfo.is_a,
             obj.attrib.indent_hang,
             obj.attrib.indent_base,
@@ -489,9 +489,9 @@ template SQLiteFormatAndLoadObject() {
         auto ref const O    obj,
       ) {
         string _txt = munge_html(doc_matters, obj);
-        string o = format(q"¶<p class="%s">
+        string o = format(q"┋<p class="%s">
           %s
-        </p>¶",
+        </p>┋",
             obj.metainfo.is_a,
             _txt
           );
@@ -502,9 +502,9 @@ template SQLiteFormatAndLoadObject() {
         auto ref const O    obj,
       ) {
         string _txt = munge_html(doc_matters, obj);
-        string o = format(q"¶<p class="%s">
+        string o = format(q"┋<p class="%s">
           %s
-        </p>¶",
+        </p>┋",
             obj.metainfo.is_a,
             _txt
           );
@@ -515,8 +515,8 @@ template SQLiteFormatAndLoadObject() {
         auto ref const O    obj,
       ) {
         string _txt = munge_html(doc_matters, obj);
-        string o = format(q"¶
-        <p class="%s">%s</p>¶",
+        string o = format(q"┋
+        <p class="%s">%s</p>┋",
             obj.metainfo.is_a,
             _txt.stripRight
           );
@@ -527,7 +527,7 @@ template SQLiteFormatAndLoadObject() {
         auto ref const O    obj,
       ) {
         string _txt = munge_html(doc_matters, obj);
-        string o = format(q"¶<p class="%s">%s</p>¶",
+        string o = format(q"┋<p class="%s">%s</p>┋",
             obj.metainfo.is_a,
             _txt
           );
@@ -537,7 +537,7 @@ template SQLiteFormatAndLoadObject() {
         auto ref const O    obj,
       ) {
         string _txt = html_special_characters_code(obj.text);
-        string o = format(q"¶<p class="%s">%s</p>¶",
+        string o = format(q"┋<p class="%s">%s</p>┋",
             obj.metainfo.is_a,
             _txt
           );
@@ -592,12 +592,12 @@ template SQLiteFormatAndLoadObject() {
         auto t = _tablarize(obj, _txt);
         _txt = t[0];
         string _note = t[1];
-        string o = format(q"¶<p class="%s">
+        string o = format(q"┋<p class="%s">
           <table summary="normal text css" width="95%%" border="0" bgcolor="white" cellpadding="2" align="center">
             %s
           </table>
           %s
-        </p>¶",
+        </p>┋",
           obj.metainfo.is_a,
           _txt,
           _note
@@ -823,7 +823,7 @@ template SQLiteFormatAndLoadObject() {
 template SQLiteTablesReCreate() {
   string SQLiteTablesReCreate()() {
     string _sql_instruct;
-    _sql_instruct = format(q"¶
+    _sql_instruct = format(q"┋
       DROP INDEX IF EXISTS idx_ocn;
       DROP INDEX IF EXISTS idx_uid;
       DROP INDEX IF EXISTS idx_digest_clean;
@@ -952,7 +952,7 @@ template SQLiteTablesReCreate() {
       CREATE INDEX idx_filename ON metadata_and_text(src_filename);
       CREATE INDEX idx_language ON metadata_and_text(language_document_char);
       CREATE INDEX idx_topics ON metadata_and_text(classify_topic_register);
-    ¶",);
+    ┋",);
     return _sql_instruct;
   }
 }
@@ -961,12 +961,12 @@ template SQLiteDeleteDocument() {
     M doc_matters,
   ) {
     string _uid = doc_matters.src.doc_uid;
-    string _delete_uid = format(q"¶
+    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,
     );
@@ -978,7 +978,7 @@ template SQLiteInsertMetadata() {
     M doc_matters,
   ) {
     string _uid = SQLinsertDelimiter!()(doc_matters.src.doc_uid);
-    string _insert_metadata = format(q"¶
+    string _insert_metadata = format(q"┋
       INSERT INTO metadata_and_text (
         uid,
         src_filename,
@@ -1079,7 +1079,7 @@ template SQLiteInsertMetadata() {
         '%s',
         '%s'
       );
-    ¶",
+    ┋",
       _uid,
       SQLinsertDelimiter!()(doc_matters.src.filename),
       SQLinsertDelimiter!()(doc_matters.src.docname_composite_unique_per_src_doc),
@@ -1140,7 +1140,7 @@ template SQLiteInsertDocObjectsLoop() {
     string _uid = SQLinsertDelimiter!()(doc_matters.src.doc_uid);
     auto site_url = DocReformPathsUrl!()(doc_matters);
     string insertDocObjectsRow(O)(O obj) {
-      string _insert_doc_objects_row = format(q"¶
+      string _insert_doc_objects_row = format(q"┋
         INSERT INTO doc_objects (
           uid_metadata_and_text,
           ocn,
@@ -1163,7 +1163,7 @@ template SQLiteInsertDocObjectsLoop() {
           '%s',
           '%s'
         );
-      ¶",
+      ┋",
         _uid,
         obj.metainfo.ocn,
         obj.metainfo.identifier,
@@ -1359,7 +1359,7 @@ template SQLiteTablesCreate() {
     template SQLiteTablesReCreate() {
       string SQLiteTablesReCreate()() {
         string _sql_instruct;
-        _sql_instruct = format(q"¶
+        _sql_instruct = format(q"┋
           DROP INDEX IF EXISTS idx_ocn;
           DROP INDEX IF EXISTS idx_uid;
           DROP INDEX IF EXISTS idx_digest_clean;
@@ -1488,7 +1488,7 @@ template SQLiteTablesCreate() {
           CREATE INDEX idx_filename ON metadata_and_text(src_filename);
           CREATE INDEX idx_language ON metadata_and_text(language_document_char);
           CREATE INDEX idx_topics ON metadata_and_text(classify_topic_register);
-        ¶",);
+        ┋",);
         return _sql_instruct;
       }
     }
diff --git a/src/doc_reform/output/xmls.d b/src/doc_reform/output/xmls.d
index 97262a1..266ad55 100644
--- a/src/doc_reform/output/xmls.d
+++ b/src/doc_reform/output/xmls.d
@@ -95,7 +95,7 @@ template outputXHTMLs() {
     ) {
       string _publisher="Publisher"; // TODO
       string o;
-      o = format(q"¶<!-- DocReform header metadata -->
+      o = format(q"┋<!-- DocReform header metadata -->
     <meta http-equiv="Content-Type" content="text/html;charset=utf-8" />
     <meta name="dc.title" content="%s" />
     <meta name="dc.author" content="%s" />
@@ -110,7 +110,7 @@ template outputXHTMLs() {
     <meta name="dc.rights" content="%s" />
     <meta name="generator" content="%s" />
     <link rel="generator" href="%s" />
-    <!-- DocReform header metadata -->¶",
+    <!-- DocReform header metadata -->┋",
         doc_matters.conf_make_meta.meta.title_full,
         doc_matters.conf_make_meta.meta.creator_author,
         _publisher,
@@ -144,9 +144,9 @@ template outputXHTMLs() {
          _locations = "<p class=\"tiny_left\"><a href=\"http://www.doc-reform.org\">doc-reform</a></p>\n<p class=\"tiny_left\"><a href=\"http://git.sisudoc.org/software/doc-reform/\">sources / git</a></p>\n<p class=\"tiny_left\"><a href=\"http://www.sisudoc.org\">www.sisudoc.org</a></p>";
       }
       string o;
-      o = format(q"¶<div class="flex-menu-option">
+      o = format(q"┋<div class="flex-menu-option">
           %s
-        </div>¶",
+        </div>┋",
         _locations,
       );
       return o;
@@ -159,7 +159,7 @@ template outputXHTMLs() {
       string o;
       string _form;
       if (doc_matters.opt.action.workon) {
-        _form = format(q"¶
+        _form = format(q"┋
     <a name="search"></a>
     <form method="get" action="%s" target="_top">
     <font size="2">
@@ -171,17 +171,17 @@ template outputXHTMLs() {
     <input type="submit" name="search" value="search doc" />
     <input type="submit" name="search" value="search db" />
     </font></form>
-          ¶",
+          ┋",
         _action,
         _db,
         );
       } else {
-        _form = format(q"¶%s¶",
+        _form = format(q"┋%s┋",
           "",
         );
       }
-      o = format(q"¶<div class="flex-menu-option">%s
-        </div>¶",
+      o = format(q"┋<div class="flex-menu-option">%s
+        </div>┋",
         _form,
       );
       return o;
@@ -192,17 +192,17 @@ template outputXHTMLs() {
     ) {
     string _manifest = "";
     if (doc_matters.opt.action.workon) {
-      _manifest = format(q"¶
+      _manifest = format(q"┋
          <a href="../../manifest/sisu.en.html" target="_top">
            <font face="verdana, arial, georgia, tahoma, sans-serif, helvetica, times, roman" size="2">
              [&nbsp;document&nbsp;manifest&nbsp;]
            </font>
          </a>
-         ¶",
+         ┋",
       );
     }
       string o;
-      o = format(q"¶<!DOCTYPE html>
+      o = format(q"┋<!DOCTYPE html>
     <html>
     <head>
       <meta charset="utf-8" />
@@ -224,7 +224,7 @@ template outputXHTMLs() {
         <div class="flex-menu-option">
           %s
         </div>
-        %s%s¶",
+        %s%s┋",
         doc_matters.conf_make_meta.meta.title_full,
         (doc_matters.conf_make_meta.meta.creator_author.empty) ? ""
           : ", " ~ doc_matters.conf_make_meta.meta.creator_author,
@@ -244,27 +244,27 @@ template outputXHTMLs() {
     auto epub3_seg_head(M)(
       M  doc_matters,
     ) {
-      string html_base = format(q"¶<!DOCTYPE html>
-    <html>¶",
+      string html_base = format(q"┋<!DOCTYPE html>
+    <html>┋",
     );
-      string html_simple = format(q"¶<!DOCTYPE html>
+      string html_simple = format(q"┋<!DOCTYPE html>
     <html
       xmlns="http://www.w3.org/1999/xhtml"
       xmlns:epub="http://www.idpf.org/2007/ops"
-      lang="%s" xml:lang="%s">¶",
+      lang="%s" xml:lang="%s">┋",
         doc_matters.src.language,
         doc_matters.src.language,
       );
-      string html_strict = format(q"¶<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
+      string html_strict = format(q"┋<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
          "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
     <html xmlns="http://www.w3.org/1999/xhtml"
       xmlns:epub="http://www.idpf.org/2007/ops"
-      lang="%s" xml:lang="%s">¶",
+      lang="%s" xml:lang="%s">┋",
         doc_matters.src.language,
         doc_matters.src.language,
       );
       string o;
-      o = format(q"¶%s
+      o = format(q"┋%s
     <head>
       <title>
         %s%s
@@ -287,7 +287,7 @@ template outputXHTMLs() {
       <link rel="stylesheet" href="css/epub.css" type="text/css" id="main-css" />
     </head>
     <body lang="%s">
-    <a name="top" id="top"></a>¶",
+    <a name="top" id="top"></a>┋",
         html_simple,
         doc_matters.conf_make_meta.meta.title_full,
         (doc_matters.conf_make_meta.meta.creator_author.empty) ? ""
@@ -311,11 +311,11 @@ template outputXHTMLs() {
     }
     auto tail() {
       string o;
-      o = format(q"¶  </div>
+      o = format(q"┋  </div>
       <a name="bottom" id="bottom"></a>
       <a name="end" id="end"></a>
     </body>
-    </html>¶");
+    </html>┋");
       return o;
     }
     auto inline_images(O,M)(
@@ -529,10 +529,10 @@ template outputXHTMLs() {
           text = font_face(text);
           auto link = m.captures[3].to!string;
           lev4_subtoc ~= subtoc.replaceFirst(rgx.inline_link_subtoc,
-            format(q"¶    <p class="minitoc" indent="h%si%s">
+            format(q"┋    <p class="minitoc" indent="h%si%s">
           ۰ <a href="%s">%s</a>
         </p>
-    ¶",
+    ┋",
               indent,
               indent,
               link,
@@ -552,42 +552,42 @@ template outputXHTMLs() {
         toc = "";
         prev = "";
       } else {
-        toc = format(q"¶<a href="toc.html" target="_top">
+        toc = format(q"┋<a href="toc.html" target="_top">
               <div class="toc-button menu">
                 <svg viewbox="0 0 100 100">
                   <path d="M4,10h24c1.104,0,2-0.896,2-2s-0.896-2-2-2H4C2.896,6,2,6.896,2,8S2.896,10,4,10z M28,14H4c-1.104,0-2,0.896-2,2  s0.896,2,2,2h24c1.104,0,2-0.896,2-2S29.104,14,28,14z M28,22H4c-1.104,0-2,0.896-2,2s0.896,2,2,2h24c1.104,0,2-0.896,2-2  S29.104,22,28,22z"/>
                 </svg>
               </div>
-            </a>¶",
+            </a>┋",
         );
       }
       if (obj.tags.segname_prev == "") {
         prev = "";
       } else {
-        prev = format(q"¶<a href="%s.html" target="_top">
+        prev = format(q"┋<a href="%s.html" target="_top">
               <div class="prev-next-button previous">
                 <svg viewbox="0 0 100 100">
                   <path class="arrow" d="M 50,0 L 60,10 L 20,50 L 60,90 L 50,100 L 0,50 Z" transform=" translate(15,0)">
                 </svg>
               </div>
-            </a>¶",
+            </a>┋",
           obj.tags.segname_prev,
         );
       }
       if (obj.tags.segname_next == "") {
         next = "";
       } else {
-        next = format(q"¶<a href="%s.html" target="_top">
+        next = format(q"┋<a href="%s.html" target="_top">
               <div class="prev-next-button next">
                 <svg viewbox="0 0 100 100">
                   <path class="arrow" d="M 50,0 L 60,10 L 20,50 L 60,90 L 50,100 L 0,50 Z "transform="translate(85,100) rotate(180) ">
                 </svg>
               </div>
-            </a>¶",
+            </a>┋",
           obj.tags.segname_next,
         );
       }
-      string _toc_pre_next = format(q"¶        <div class="flex-menu-option">
+      string _toc_pre_next = format(q"┋        <div class="flex-menu-option">
           <div class="nav-bar">
             %s
             %s
@@ -595,19 +595,19 @@ template outputXHTMLs() {
           </div>
         </div>
       </div>
-    </div>¶",
+    </div>┋",
         toc,
         prev,
         next,
       );
-      string _pre_next = format(q"¶        <div class="flex-menu-option">
+      string _pre_next = format(q"┋        <div class="flex-menu-option">
           <div class="nav-bar">
             %s
             %s
           </div>
         </div>
       </div>
-    </div>¶",
+    </div>┋",
         prev,
         next,
       );
@@ -643,13 +643,13 @@ template outputXHTMLs() {
         ? ""
         : "<a name=\"" ~ obj.tags.heading_lev_anchor_tag ~ "\"></a>";
       if (!(obj.metainfo.identifier.empty)) {
-        o = format(q"¶%s
+        o = format(q"┋%s
       <div class="substance">
         <label class="ocn"><a href="#%s" class="lnkocn">%s</a></label>
         <h%s class="%s" id="%s"><a name="%s"></a>%s%s
           %s
         </h%s>
-      </div>¶",
+      </div>┋",
         _horizontal_rule,
         obj.metainfo.identifier,
         (obj.metainfo.object_number.empty) ? "" : obj.metainfo.identifier,
@@ -663,12 +663,12 @@ template outputXHTMLs() {
         obj.metainfo.heading_lev_markup,
         );
       } else {
-        o = format(q"¶%s
+        o = format(q"┋%s
       <div class="substance">
         <h%s class="%s">%s%s
           %s
         </h%s>
-      </div>¶",
+      </div>┋",
           _horizontal_rule,
           obj.metainfo.heading_lev_markup,
           obj.metainfo.is_a,
@@ -723,12 +723,12 @@ template outputXHTMLs() {
       _txt = _txt.replaceFirst(rgx.inline_link_anchor,
          "<a name=\"$1\"></a>");
       if (!(obj.metainfo.identifier.empty)) {
-        o = format(q"¶  <div class="substance">
+        o = format(q"┋  <div class="substance">
       <label class="ocn"><a href="#%s" class="lnkocn">%s</a></label>
       <p class="%s" indent="h%si%s" id="%s">%s
         %s
       </p>
-    </div>¶",
+    </div>┋",
           obj.metainfo.identifier,
           (obj.metainfo.object_number.empty) ? "" : obj.metainfo.identifier,
           obj.metainfo.is_a,
@@ -739,11 +739,11 @@ template outputXHTMLs() {
           _txt
         );
       } else {
-        o = format(q"¶  <div class="substance">
+        o = format(q"┋  <div class="substance">
       <p class="%s" indent="h%si%s">%s
         %s
       </p>
-    </div>¶",
+    </div>┋",
           obj.metainfo.is_a,
           obj.attrib.indent_hang,
           obj.attrib.indent_base,
@@ -792,12 +792,12 @@ template outputXHTMLs() {
       _txt = font_face(_txt);
       string o;
       if (!(obj.metainfo.identifier.empty)) {
-        o = format(q"¶  <div class="substance">
+        o = format(q"┋  <div class="substance">
       <label class="ocn"><a href="#%s" class="lnkocn">%s</a></label>
       <p class="%s" id="%s">
         %s
       </p>
-    </div>¶",
+    </div>┋",
           obj.metainfo.identifier,
           (obj.metainfo.object_number.empty) ? "" : obj.metainfo.identifier,
           obj.metainfo.is_a,
@@ -805,11 +805,11 @@ template outputXHTMLs() {
           _txt
         );
       } else {
-        o = format(q"¶  <div class="substance">
+        o = format(q"┋  <div class="substance">
       <p class="%s">
         %s
       </p>
-    </div>¶",
+    </div>┋",
           obj.metainfo.is_a,
           _txt
         );
@@ -855,12 +855,12 @@ template outputXHTMLs() {
       _txt = font_face(_txt);
       string o;
       if (!(obj.metainfo.identifier.empty)) {
-        o = format(q"¶  <div class="substance">
+        o = format(q"┋  <div class="substance">
       <label class="ocn"><a href="#%s" class="lnkocn">%s</a></label>
       <p class="%s" id="%s">
         %s
       </p>
-    </div>¶",
+    </div>┋",
           obj.metainfo.identifier,
           (obj.metainfo.object_number.empty) ? "" : obj.metainfo.identifier,
           obj.metainfo.is_a,
@@ -868,11 +868,11 @@ template outputXHTMLs() {
           _txt
         );
       } else {
-        o = format(q"¶  <div class="substance">
+        o = format(q"┋  <div class="substance">
       <p class="%s">
         %s
       </p>
-    </div>¶",
+    </div>┋",
           obj.metainfo.is_a,
           _txt
         );
@@ -919,10 +919,10 @@ template outputXHTMLs() {
       _txt = font_face(_txt);
       string o;
       if (!(obj.metainfo.identifier.empty)) {
-        o = format(q"¶  <div class="substance">
+        o = format(q"┋  <div class="substance">
       <label class="ocn"><a href="#%s" class="lnkocn">%s</a></label>
       <p class="%s" id="%s">%s</p>
-    </div>¶",
+    </div>┋",
           obj.metainfo.identifier,
           (obj.metainfo.object_number.empty) ? "" : obj.metainfo.identifier,
           obj.metainfo.is_a,
@@ -930,9 +930,9 @@ template outputXHTMLs() {
           _txt.stripRight
         );
       } else {
-        o = format(q"¶  <div class="substance">
+        o = format(q"┋  <div class="substance">
       <p class="%s">%s</p>
-    </div>¶",
+    </div>┋",
           obj.metainfo.is_a,
           _txt.stripRight
         );
@@ -979,10 +979,10 @@ template outputXHTMLs() {
       _txt = font_face(_txt);
       string o;
       if (!(obj.metainfo.identifier.empty)) {
-        o = format(q"¶  <div class="substance">
+        o = format(q"┋  <div class="substance">
           <label class="ocn"><a href="#%s" class="lnkocn">%s</a></label>
           <p class="%s" id="%s">%s</p>
-        </div>¶",
+        </div>┋",
           obj.metainfo.identifier,
           (obj.metainfo.object_number.empty) ? "" : obj.metainfo.identifier,
           obj.metainfo.is_a,
@@ -990,9 +990,9 @@ template outputXHTMLs() {
           _txt
         );
       } else {
-        o = format(q"¶  <div class="substance">
+        o = format(q"┋  <div class="substance">
           <p class="%s">%s</p>
-        </div>¶",
+        </div>┋",
           obj.metainfo.is_a,
           _txt
         );
@@ -1075,7 +1075,7 @@ template outputXHTMLs() {
       _txt = t[0];
       string _note = t[1];
       string o;
-      o = format(q"¶  <div class="substance">
+      o = format(q"┋  <div class="substance">
       <label class="ocn"><a href="#%s" class="lnkocn">%s</a></label>
       <p class="%s" id="%s">%s
         <table summary="normal text css" width="95%%" border="0" bgcolor="white" cellpadding="2" align="center">
@@ -1083,7 +1083,7 @@ template outputXHTMLs() {
         </table>
         %s
       </p>
-    </div>¶",
+    </div>┋",
         obj.metainfo.object_number,
         obj.metainfo.object_number,
         obj.metainfo.is_a,
@@ -1104,10 +1104,10 @@ template outputXHTMLs() {
       assert(obj.metainfo.is_a          == "code");
       string o;
       if (!(obj.metainfo.identifier.empty)) {
-        o = format(q"¶  <div class="substance">
+        o = format(q"┋  <div class="substance">
       <label class="ocn"><a href="#%s" class="lnkocn">%s</a></label>
       <pre><p class="%s" id="%s">%s</p></pre>
-    </div>¶",
+    </div>┋",
           obj.metainfo.identifier,
           (obj.metainfo.object_number.empty) ? "" : obj.metainfo.identifier,
           obj.metainfo.is_a,
@@ -1115,9 +1115,9 @@ template outputXHTMLs() {
           _txt
         );
       } else {
-        o = format(q"¶  <div class="substance">
+        o = format(q"┋  <div class="substance">
       <pre><p class="%s">%s</p></pre>
-    </div>¶",
+    </div>┋",
           obj.metainfo.is_a,
           _txt
         );
-- 
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