From 0d4715a0ed5c2f9fa4b4772b8c79b4bd5044819a Mon Sep 17 00:00:00 2001
From: Ralph Amissah <ralph.amissah@gmail.com>
Date: Tue, 28 Apr 2020 14:13:54 -0400
Subject: markup conversion

- document header and body
  - .sst .ssm split into header and body
  - .ssi body only, (no document header)
- change tracking of code blocks
---
 .../endnotes_inline_from_binary.d                  |  24 +-
 ...arkup_conversion_from_sisu_ruby_to_sisu_spine.d | 379 +++++++++++----------
 2 files changed, 206 insertions(+), 197 deletions(-)

(limited to 'misc/util/d')

diff --git a/misc/util/d/tools/markup_conversion/endnotes_inline_from_binary.d b/misc/util/d/tools/markup_conversion/endnotes_inline_from_binary.d
index abd4e45..b084052 100755
--- a/misc/util/d/tools/markup_conversion/endnotes_inline_from_binary.d
+++ b/misc/util/d/tools/markup_conversion/endnotes_inline_from_binary.d
@@ -48,31 +48,27 @@ void main(string[] args) {
         string text                    = filename.readText;
         string[] paragraphs            = text.split("\n\n");
         int endnote_ref_count          = 0;
-        int[string] type = [
-          "curly_code"                 : 0,
-          "tic_code"                   : 0,
-        ];
+        int code_block_status          = 0;
+        enum codeBlock { off, curly, tic, }
         foreach (paragraph; paragraphs) { /+ loop to gather binary endnotes +/
-          if ( !( type["curly_code"] == 1 || type["tic_code"] == 1)
+          if (code_block_status == codeBlock.off
             && paragraph.match(rgx_endnote)
           ) {
             endnotes ~= replaceAll!(m => m[1])
               (paragraph, rgx_endnote);
           } else {
-            if ( type["curly_code"] == 1
-              && paragraph.matchFirst(block_curly_code_close)
+            if ((code_block_status == codeBlock.curly
+                && paragraph.matchFirst(block_curly_code_close))
+              || ((code_block_status == codeBlock.tic
+                && paragraph.matchFirst(block_tic_close))
             ) {
-              type["curly_code"] = 0;
-            } else if (type["tic_code"] == 1
-              && paragraph.matchFirst(block_tic_close)
-            ) {
-              type["tic_code"] = 0;
+              code_block_status = codeBlock.off;
             } else if ( type["curly_code"] == 1 || type["tic_code"] == 1) {
               // skip, prevent search for endnotes
             } else if (paragraph.matchFirst(block_curly_code_open)) {
-              type["curly_code"] = 1;
+              code_block_status = codeBlock.curly;
             } else if (paragraph.matchFirst(block_tic_code_open)) {
-              type["tic_code"] = 1;
+              code_block_status = codeBlock.tic;
             } else if (auto m = paragraph.matchAll(rgx_endnote_ref)) {
               foreach (n; m) {
                 endnote_ref_count++; // endnote_refs ~= (n.captures[1]);
diff --git a/misc/util/d/tools/markup_conversion/markup_conversion_from_sisu_ruby_to_sisu_spine.d b/misc/util/d/tools/markup_conversion/markup_conversion_from_sisu_ruby_to_sisu_spine.d
index 94e8718..0ec541d 100755
--- a/misc/util/d/tools/markup_conversion/markup_conversion_from_sisu_ruby_to_sisu_spine.d
+++ b/misc/util/d/tools/markup_conversion/markup_conversion_from_sisu_ruby_to_sisu_spine.d
@@ -93,204 +93,215 @@ void main(string[] args) {
       string filename                  = arg;
       try {
         string[] munged_header, munged_contents, munged_endnotes, endnote_refs;
-        string text                    = filename.readText;
-        char[][] hc                    = header0Content1(text);
-        char[] src_header              = hc[0];
-        string[] headers               = src_header.to!string.split("\n\n");
-        char[] src_txt                 = hc[1];
-        string[] paragraphs            = src_txt.to!string.split("\n\n");
-        int endnote_ref_count          = 0;
-        int[string] type = [
-          "curly_code"                 : 0,
-          "tic_code"                   : 0,
-        ];
+        char[][] hc;
+        char[] src_header;
+        string[] headers;
+        char[] src_txt;
+        string[] paragraphs;
+        enum codeBlock { off, curly, tic, }
         string _tmp_header;
-        headers[0] = headers[0].replaceFirst(regex(r"^%\s+SiSU.+", "i"), "# SiSU 8.0 spine (auto-conversion)");
-        foreach (h_; headers) {
-          _tmp_header = "";
-          if (auto m = h_.match(regex(r"^%\s*", "m"))) {
-            h_ = h_.replaceAll(regex(r"^%\s*", "m"), "# ") ~ "\n";
-          }
-          if (h_.match(regex(r"^@title:|@subtitle"))) {
-            if (auto m = h_.match(regex(r"^@(?P<h>title):(?:[ ]+(?P<c>.+)|\n)"))) {
-              _tmp_header ~= format_main_header(m.captures["h"], "main", m.captures["c"]);
-            }
-            if (auto m = h_.match(regex(r"^@(?P<h>subtitle):(?:[ ]+(?P<c>.+)|$)"))) {
-              if (m.captures["c"].length == 0) {
-              } else {
+        int endnote_ref_count          = 0;
+        int code_block_status          = codeBlock.off;
+        string text                    = filename.readText;
+        if (arg.match(regex(r"\w+?\.ss[tm]"))) {
+          hc                           = header0Content1(text);
+          src_header                   = hc[0];
+          headers                      = src_header.to!string.split("\n\n");
+          src_txt                      = hc[1];
+          paragraphs                   = src_txt.to!string.split("\n\n");
+        } else if (arg.match(regex(r"\w+?\.ssi"))) {
+          headers                      = [];
+          paragraphs                   = text.split("\n\n");
+        }
+        if (headers.length > 0) {
+          headers[0] = headers[0].replaceFirst(regex(r"^%\s+SiSU.+", "i"), "# SiSU 8.0 spine (auto-conversion)");
+          foreach (h_; headers) {
+            _tmp_header = "";
+            if (auto m = h_.match(regex(r"^%\s*", "m"))) {
+              h_ = h_.replaceAll(regex(r"^%\s*", "m"), "# ") ~ "\n";
+            }
+            if (h_.match(regex(r"^@title:|@subtitle"))) {
+              if (auto m = h_.match(regex(r"^@(?P<h>title):(?:[ ]+(?P<c>.+)|\n)"))) {
+                _tmp_header ~= format_main_header(m.captures["h"], "main", m.captures["c"]);
+              }
+              if (auto m = h_.match(regex(r"^@(?P<h>subtitle):(?:[ ]+(?P<c>.+)|$)"))) {
+                if (m.captures["c"].length == 0) {
+                } else {
+                  _tmp_header ~= format_sub_header(m.captures["h"], m.captures["c"]);
+                }
+              }
+              if (auto m = h_.match(regex(r"^\s+:(?P<h>main):(?:[ ]+(?P<c>.+)|$)", "m"))) {
                 _tmp_header ~= format_sub_header(m.captures["h"], m.captures["c"]);
               }
+              if (auto m = h_.match(regex(r"^\s+:sub(?:title)?:(?:[ ]+(?P<c>.+)|$)", "m"))) {
+                _tmp_header ~= format_sub_header("subtitle", m.captures["c"]);
+              }
+            } else if (h_.match(regex(r"^@creator:|@author:"))) {
+              if (auto m = h_.match(regex(r"^(?:@creator:|@author:)(?:[ ]+(?P<c>.+)|\n)"))) {
+                _tmp_header ~= format_main_header("creator", "author", m.captures["c"]);
+              }
+              if (auto m = h_.match(regex(r"^\s+:(?P<h>author):(?:[ ]+(?P<c>.+)|$)", "m"))) {
+                _tmp_header ~= format_sub_header(m.captures["h"], m.captures["c"]);
+              }
+            } else if (h_.match(regex(r"^@rights:"))) {
+              if (auto m = h_.match(regex(r"^@(?P<h>rights):(?:[ ]+(?P<c>.+)|\n)"))) {
+                _tmp_header ~= format_main_header(m.captures["h"], "copyright", m.captures["c"]);
+              }
+              if (auto m = h_.match(regex(r"^\s+:(?P<h>copyright):(?:[ ]+(?P<c>.+)|$)", "m"))) {
+                _tmp_header ~= format_sub_header(m.captures["h"], m.captures["c"]);
+              }
+              if (auto m = h_.match(regex(r"^\s+:licen[cs]e:(?:[ ]+(?P<c>.+)|$)", "m"))) {
+                _tmp_header ~= format_sub_header("license", m.captures["c"]);
+              }
+            } else if (h_.match(regex(r"^@date:|@date\."))) {
+              if (auto m = h_.match(regex(r"^@(?P<h>date):(?:[ ]+(?P<c>.+)|\n)"))) {
+                _tmp_header ~= format_main_header(m.captures["h"], "published", m.captures["c"]);
+              }
+              if (auto m = h_.match(regex(r"^\s+:(?P<h>published):(?:[ ]+(?P<c>.+)|$)", "m"))) {
+                _tmp_header ~= format_sub_header(m.captures["h"], m.captures["c"]);
+              }
+              if (auto m = h_.match(regex(r"^\s+:(?P<h>available):(?:[ ]+(?P<c>.+)|$)", "m"))) {
+                _tmp_header ~= format_sub_header(m.captures["h"], m.captures["c"]);
+              }
+              if (auto m = h_.match(regex(r"^\s+:(?P<h>modified):(?:[ ]+(?P<c>.+)|$)", "m"))) {
+                _tmp_header ~= format_sub_header(m.captures["h"], m.captures["c"]);
+              }
+              if (auto m = h_.match(regex(r"^\s+:(?P<h>created):(?:[ ]+(?P<c>.+)|$)", "m"))) {
+                _tmp_header ~= format_sub_header(m.captures["h"], m.captures["c"]);
+              }
+              if (auto m = h_.match(regex(r"^\s+:(?P<h>issued):(?:[ ]+(?P<c>.+)|$)", "m"))) {
+                _tmp_header ~= format_sub_header(m.captures["h"], m.captures["c"]);
+              }
+              if (auto m = h_.match(regex(r"^\s+:(?P<h>valid):(?:[ ]+(?P<c>.+)|$)", "m"))) {
+                _tmp_header ~= format_sub_header(m.captures["h"], m.captures["c"]);
+              }
+              if (auto m = h_.match(regex(r"^@date\.(?P<h>available):[ ]+(?P<c>.+)$"))) {
+                _tmp_header ~= format_sub_header(m.captures["h"], m.captures["c"]);
+              }
+              if (auto m = h_.match(regex(r"^@date\.(?P<h>modified):[ ]+(?P<c>.+)$"))) {
+                _tmp_header ~= format_sub_header(m.captures["h"], m.captures["c"]);
+              }
+              if (auto m = h_.match(regex(r"^@date\.(?P<h>created):[ ]+(?P<c>.+)$"))) {
+                _tmp_header ~= format_sub_header(m.captures["h"], m.captures["c"]);
+              }
+              if (auto m = h_.match(regex(r"^@date\.(?P<h>issued):[ ]+(?P<c>.+)$"))) {
+                _tmp_header ~= format_sub_header(m.captures["h"], m.captures["c"]);
+              }
+              if (auto m = h_.match(regex(r"^@date\.(?P<h>valid):[ ]+(?P<c>.+)$"))) {
+                _tmp_header ~= format_sub_header(m.captures["h"], m.captures["c"]);
+              }
+            } else if (h_.match(regex(r"^@classify:"))) {
+              if (auto m = h_.match(regex(r"^@classify:"))) {
+                _tmp_header ~= "classify:\n";
+              }
+              if (auto m = h_.match(regex(r"^\s+:(?P<h>topic_register):(?:[ ]+(?P<c>.+)|$)", "m"))) {
+                _tmp_header ~= format_sub_header(m.captures["h"], m.captures["c"]);
+              }
+              if (auto m = h_.match(regex(r"^\s+:type:(?:[ ]+(?P<c>.+)|$)", "m"))) {
+                _tmp_header ~= "#  type: " ~ "\"" ~ m.captures["c"] ~ "\"\n";
+              }
+            } else if (h_.match(regex(r"^(?:@identifier:|@identify:)"))) {
+              if (auto m = h_.match(regex(r"^(?:@identifier:|@idenfify)"))) {
+                _tmp_header ~= "identify:\n";
+              }
+              if (auto m = h_.match(regex(r"^\s+:(?P<h>oclc):(?:[ ]+(?P<c>.+)|$)", "m"))) {
+                _tmp_header ~= format_sub_header(m.captures["h"], m.captures["c"]);
+              }
+              if (auto m = h_.match(regex(r"^\s+:(?P<h>isbn):(?:[ ]+(?P<c>.+)|$)", "m"))) {
+                _tmp_header ~= format_sub_header(m.captures["h"], m.captures["c"]);
+              }
+              if (auto m = h_.match(regex(r"^\s+:(?P<h>dewey):(?:[ ]+(?P<c>.+)|$)", "m"))) {
+                _tmp_header ~= format_sub_header(m.captures["h"], m.captures["c"]);
+              }
+            } else if (h_.match(regex(r"^@publisher:"))) {
+              if (auto m = h_.match(regex(r"^@publisher:[ ]+(?P<c>.+)$"))) {
+                _tmp_header ~= "publisher: " ~  "\"" ~ m.captures["c"] ~ "\"\n";
+              }
+            } else if (h_.match(regex(r"^@make:"))) {
+              // writeln(h_);
+              if (auto m = h_.match(regex(r"^@make:"))) {
+                _tmp_header ~= "make:\n";
+              }
+              if (auto m = h_.match(regex(r"^\s+:(?P<h>breaks):(?:[ ]+(?P<c>.+)|$)", "m"))) {
+                _tmp_header ~= format_sub_header(m.captures["h"], m.captures["c"]);
+              }
+              if (auto m = h_.match(regex(r"^\s+:(?P<h>num_top):(?:[ ]+(?P<c>.+)|$)", "m"))) {
+                _tmp_header ~= format_sub_header(m.captures["h"], m.captures["c"]);
+              }
+              if (auto m = h_.match(regex(r"^\s+:(?P<h>headings):(?:[ ]+(?P<c>.+)|$)", "m"))) {
+                _tmp_header ~= format_sub_header(m.captures["h"], m.captures["c"]);
+              }
+              if (auto m = h_.match(regex(r"^\s+:(?P<h>italics):(?:[ ]+(?P<c>.+)|$)", "m"))) {
+                _tmp_header ~= format_sub_header(m.captures["h"], m.captures["c"]);
+              }
+              if (auto m = h_.match(regex(r"^\s+:(?P<h>bold):(?:[ ]+(?P<c>.+)|$)", "m"))) {
+                _tmp_header ~= format_sub_header(m.captures["h"], m.captures["c"]);
+              }
+              if (auto m = h_.match(regex(r"^\s+:(?P<h>emphasis):(?:[ ]+(?P<c>.+)|$)", "m"))) {
+                _tmp_header ~= format_sub_header(m.captures["h"], m.captures["c"]);
+              }
+              if (auto m = h_.match(regex(r"^\s+:(?P<h>substitute):(?:[ ]+(?P<c>.+)|$)", "m"))) {
+                _tmp_header ~= format_sub_header(m.captures["h"], m.captures["c"]);
+              }
+              if (auto m = h_.match(regex(r"^\s+:(?P<h>texpdf_font):(?:[ ]+(?P<c>.+)|$)", "m"))) {
+                _tmp_header ~= format_sub_header(m.captures["h"], m.captures["c"]);
+              }
+              if (auto m = h_.match(regex(r"^\s+:(?P<h>home_button_text):(?:[ ]+(?P<c>.+)|$)", "m"))) {
+                _tmp_header ~= format_sub_header(m.captures["h"], m.captures["c"]);
+              }
+              if (auto m = h_.match(regex(r"^\s+:(?P<h>home_button_image):(?:[ ]+(?P<c>.+)|$)", "m"))) {
+                _tmp_header ~= format_sub_header(m.captures["h"], m.captures["c"]);
+              }
+              if (auto m = h_.match(regex(r"^\s+:(?P<h>cover_image):(?:[ ]+(?P<c>.+)|$)", "m"))) {
+                _tmp_header ~= format_sub_header(m.captures["h"], m.captures["c"]);
+              }
+              if (auto m = h_.match(regex(r"^\s+:(?P<h>footer):(?:[ ]+(?P<c>.+)|$)", "m"))) {
+                _tmp_header ~= format_sub_header(m.captures["h"], m.captures["c"]);
+              }
+              // writeln(_tmp_header);
+            } else if (h_.match(regex(r"^@\w+:"))) {
+              _tmp_header ~= "# " ~ h_.split("\n").join("\n# ") ~ "\n";
+            } else if (h_.match(regex(r"^\s+:\w+:", "m"))) {
+              if (auto m = h_.match(regex(r"^(?P<g>\s+:\w+:.*)"))) {
+                _tmp_header ~= "# " ~ m.captures["g"] ~ "\n";
+              }
             }
-            if (auto m = h_.match(regex(r"^\s+:(?P<h>main):(?:[ ]+(?P<c>.+)|$)", "m"))) {
-              _tmp_header ~= format_sub_header(m.captures["h"], m.captures["c"]);
-            }
-            if (auto m = h_.match(regex(r"^\s+:sub(?:title)?:(?:[ ]+(?P<c>.+)|$)", "m"))) {
-              _tmp_header ~= format_sub_header("subtitle", m.captures["c"]);
-            }
-          } else if (h_.match(regex(r"^@creator:|@author:"))) {
-            if (auto m = h_.match(regex(r"^(?:@creator:|@author:)(?:[ ]+(?P<c>.+)|\n)"))) {
-              _tmp_header ~= format_main_header("creator", "author", m.captures["c"]);
-            }
-            if (auto m = h_.match(regex(r"^\s+:(?P<h>author):(?:[ ]+(?P<c>.+)|$)", "m"))) {
-              _tmp_header ~= format_sub_header(m.captures["h"], m.captures["c"]);
-            }
-          } else if (h_.match(regex(r"^@rights:"))) {
-            if (auto m = h_.match(regex(r"^@(?P<h>rights):(?:[ ]+(?P<c>.+)|\n)"))) {
-              _tmp_header ~= format_main_header(m.captures["h"], "copyright", m.captures["c"]);
-            }
-            if (auto m = h_.match(regex(r"^\s+:(?P<h>copyright):(?:[ ]+(?P<c>.+)|$)", "m"))) {
-              _tmp_header ~= format_sub_header(m.captures["h"], m.captures["c"]);
-            }
-            if (auto m = h_.match(regex(r"^\s+:licen[cs]e:(?:[ ]+(?P<c>.+)|$)", "m"))) {
-              _tmp_header ~= format_sub_header("license", m.captures["c"]);
-            }
-          } else if (h_.match(regex(r"^@date:|@date\."))) {
-            if (auto m = h_.match(regex(r"^@(?P<h>date):(?:[ ]+(?P<c>.+)|\n)"))) {
-              _tmp_header ~= format_main_header(m.captures["h"], "published", m.captures["c"]);
-            }
-            if (auto m = h_.match(regex(r"^\s+:(?P<h>published):(?:[ ]+(?P<c>.+)|$)", "m"))) {
-              _tmp_header ~= format_sub_header(m.captures["h"], m.captures["c"]);
-            }
-            if (auto m = h_.match(regex(r"^\s+:(?P<h>available):(?:[ ]+(?P<c>.+)|$)", "m"))) {
-              _tmp_header ~= format_sub_header(m.captures["h"], m.captures["c"]);
-            }
-            if (auto m = h_.match(regex(r"^\s+:(?P<h>modified):(?:[ ]+(?P<c>.+)|$)", "m"))) {
-              _tmp_header ~= format_sub_header(m.captures["h"], m.captures["c"]);
-            }
-            if (auto m = h_.match(regex(r"^\s+:(?P<h>created):(?:[ ]+(?P<c>.+)|$)", "m"))) {
-              _tmp_header ~= format_sub_header(m.captures["h"], m.captures["c"]);
-            }
-            if (auto m = h_.match(regex(r"^\s+:(?P<h>issued):(?:[ ]+(?P<c>.+)|$)", "m"))) {
-              _tmp_header ~= format_sub_header(m.captures["h"], m.captures["c"]);
-            }
-            if (auto m = h_.match(regex(r"^\s+:(?P<h>valid):(?:[ ]+(?P<c>.+)|$)", "m"))) {
-              _tmp_header ~= format_sub_header(m.captures["h"], m.captures["c"]);
-            }
-            if (auto m = h_.match(regex(r"^@date\.(?P<h>available):[ ]+(?P<c>.+)$"))) {
-              _tmp_header ~= format_sub_header(m.captures["h"], m.captures["c"]);
-            }
-            if (auto m = h_.match(regex(r"^@date\.(?P<h>modified):[ ]+(?P<c>.+)$"))) {
-              _tmp_header ~= format_sub_header(m.captures["h"], m.captures["c"]);
-            }
-            if (auto m = h_.match(regex(r"^@date\.(?P<h>created):[ ]+(?P<c>.+)$"))) {
-              _tmp_header ~= format_sub_header(m.captures["h"], m.captures["c"]);
-            }
-            if (auto m = h_.match(regex(r"^@date\.(?P<h>issued):[ ]+(?P<c>.+)$"))) {
-              _tmp_header ~= format_sub_header(m.captures["h"], m.captures["c"]);
-            }
-            if (auto m = h_.match(regex(r"^@date\.(?P<h>valid):[ ]+(?P<c>.+)$"))) {
-              _tmp_header ~= format_sub_header(m.captures["h"], m.captures["c"]);
-            }
-          } else if (h_.match(regex(r"^@classify:"))) {
-            if (auto m = h_.match(regex(r"^@classify:"))) {
-              _tmp_header ~= "classify:\n";
-            }
-            if (auto m = h_.match(regex(r"^\s+:(?P<h>topic_register):(?:[ ]+(?P<c>.+)|$)", "m"))) {
-              _tmp_header ~= format_sub_header(m.captures["h"], m.captures["c"]);
-            }
-            if (auto m = h_.match(regex(r"^\s+:type:(?:[ ]+(?P<c>.+)|$)", "m"))) {
-              _tmp_header ~= "#  type: " ~ "\"" ~ m.captures["c"] ~ "\"\n";
-            }
-          } else if (h_.match(regex(r"^(?:@identifier:|@identify:)"))) {
-            if (auto m = h_.match(regex(r"^(?:@identifier:|@idenfify)"))) {
-              _tmp_header ~= "identify:\n";
-            }
-            if (auto m = h_.match(regex(r"^\s+:(?P<h>oclc):(?:[ ]+(?P<c>.+)|$)", "m"))) {
-              _tmp_header ~= format_sub_header(m.captures["h"], m.captures["c"]);
-            }
-            if (auto m = h_.match(regex(r"^\s+:(?P<h>isbn):(?:[ ]+(?P<c>.+)|$)", "m"))) {
-              _tmp_header ~= format_sub_header(m.captures["h"], m.captures["c"]);
-            }
-            if (auto m = h_.match(regex(r"^\s+:(?P<h>dewey):(?:[ ]+(?P<c>.+)|$)", "m"))) {
-              _tmp_header ~= format_sub_header(m.captures["h"], m.captures["c"]);
-            }
-          } else if (h_.match(regex(r"^@publisher:"))) {
-            if (auto m = h_.match(regex(r"^@publisher:[ ]+(?P<c>.+)$"))) {
-              _tmp_header ~= "publisher: " ~  "\"" ~ m.captures["c"] ~ "\"\n";
-            }
-          } else if (h_.match(regex(r"^@make:"))) {
-            // writeln(h_);
-            if (auto m = h_.match(regex(r"^@make:"))) {
-              _tmp_header ~= "make:\n";
-            }
-            if (auto m = h_.match(regex(r"^\s+:(?P<h>breaks):(?:[ ]+(?P<c>.+)|$)", "m"))) {
-              _tmp_header ~= format_sub_header(m.captures["h"], m.captures["c"]);
-            }
-            if (auto m = h_.match(regex(r"^\s+:(?P<h>num_top):(?:[ ]+(?P<c>.+)|$)", "m"))) {
-              _tmp_header ~= format_sub_header(m.captures["h"], m.captures["c"]);
-            }
-            if (auto m = h_.match(regex(r"^\s+:(?P<h>headings):(?:[ ]+(?P<c>.+)|$)", "m"))) {
-              _tmp_header ~= format_sub_header(m.captures["h"], m.captures["c"]);
-            }
-            if (auto m = h_.match(regex(r"^\s+:(?P<h>italics):(?:[ ]+(?P<c>.+)|$)", "m"))) {
-              _tmp_header ~= format_sub_header(m.captures["h"], m.captures["c"]);
-            }
-            if (auto m = h_.match(regex(r"^\s+:(?P<h>bold):(?:[ ]+(?P<c>.+)|$)", "m"))) {
-              _tmp_header ~= format_sub_header(m.captures["h"], m.captures["c"]);
-            }
-            if (auto m = h_.match(regex(r"^\s+:(?P<h>emphasis):(?:[ ]+(?P<c>.+)|$)", "m"))) {
-              _tmp_header ~= format_sub_header(m.captures["h"], m.captures["c"]);
-            }
-            if (auto m = h_.match(regex(r"^\s+:(?P<h>texpdf_font):(?:[ ]+(?P<c>.+)|$)", "m"))) {
-              _tmp_header ~= format_sub_header(m.captures["h"], m.captures["c"]);
-            }
-            if (auto m = h_.match(regex(r"^\s+:(?P<h>home_button_text):(?:[ ]+(?P<c>.+)|$)", "m"))) {
-              _tmp_header ~= format_sub_header(m.captures["h"], m.captures["c"]);
-            }
-            if (auto m = h_.match(regex(r"^\s+:(?P<h>home_button_image):(?:[ ]+(?P<c>.+)|$)", "m"))) {
-              _tmp_header ~= format_sub_header(m.captures["h"], m.captures["c"]);
-            }
-            if (auto m = h_.match(regex(r"^\s+:(?P<h>cover_image):(?:[ ]+(?P<c>.+)|$)", "m"))) {
-              _tmp_header ~= format_sub_header(m.captures["h"], m.captures["c"]);
-            }
-            if (auto m = h_.match(regex(r"^\s+:(?P<h>footer):(?:[ ]+(?P<c>.+)|$)", "m"))) {
-              _tmp_header ~= format_sub_header(m.captures["h"], m.captures["c"]);
-            }
-            // writeln(_tmp_header);
-          } else if (h_.match(regex(r"^@\w+:"))) {
-            _tmp_header ~= "# " ~ h_.split("\n").join("\n# ") ~ "\n";
-          } else if (h_.match(regex(r"^\s+:\w+:", "m"))) {
-            if (auto m = h_.match(regex(r"^(?P<g>\s+:\w+:.*)"))) {
-              _tmp_header ~= "# " ~ m.captures["g"] ~ "\n";
-            }
-          }
-          if (h_.match(regex(r"^#", "m"))) {
-            if (auto m = h_.match(regex(r"^(?P<g>#.*)", "m"))) {
-              _tmp_header ~= m.captures["g"] ~ "\n";
+            if (h_.match(regex(r"^#", "m"))) {
+              if (auto m = h_.match(regex(r"^(?P<g>#.*)", "m"))) {
+                _tmp_header ~= m.captures["g"] ~ "\n";
+              }
+             }
+            if (_tmp_header.length > 0) {
+              munged_header ~= _tmp_header.split("\n\n");
+            } else if (h_.length > 0) {
+              writeln("munging required: ", h_);
+              h_ = h_.replaceAll((regex(r"\n\n\n+", "m")), "\n\n");
+              munged_header ~= h_;
             }
-           }
-          if (_tmp_header.length > 0) {
-            munged_header ~= _tmp_header.split("\n\n");
-          } else if (h_.length > 0) {
-            writeln("munging required: ", h_);
-            h_ = h_.replaceAll((regex(r"\n\n\n+", "m")), "\n\n");
-            munged_header ~= h_;
           }
+          // writeln(munged_header.join("\n"));
         }
-        // writeln(munged_header.join("\n"));
         foreach (paragraph; paragraphs) {                                                                                  /+ loop to gather binary endnotes +/
-          if ( !( type["curly_code"] == 1 || type["tic_code"] == 1)
+          if (code_block_status == codeBlock.off
             && paragraph.match(rgx_endnote)
           ) {
             munged_endnotes ~= replaceAll!(m => m[1])
               (paragraph, rgx_endnote);
           } else {
-            if ( type["curly_code"] == 1 || type["tic_code"] == 1
+            if ( code_block_status != codeBlock.off
               || paragraph.matchFirst(block_curly_code_open)
               || paragraph.matchFirst(block_tic_code_open)
             ) { /+ code blocks identified, no munging +/
-              if ( type["curly_code"] == 1
-                && paragraph.matchFirst(block_curly_code_close)
-              ) {
-                type["curly_code"] = 0;
-              } else if (type["tic_code"] == 1
-                && paragraph.matchFirst(block_tic_close)
+              if ((code_block_status == codeBlock.curly
+                  && paragraph.matchFirst(block_curly_code_close))
+                || (code_block_status == codeBlock.tic
+                  && paragraph.matchFirst(block_tic_close))
               ) {
-                type["tic_code"] = 0;
+                code_block_status = codeBlock.off;
               } else if (paragraph.matchFirst(block_curly_code_open)) {
-                type["curly_code"] = 1;
+                code_block_status = codeBlock.curly;
               } else if (paragraph.matchFirst(block_tic_code_open)) {
-                type["tic_code"] = 1;
+                code_block_status = codeBlock.tic;
               }
               munged_contents ~= paragraph;
             } else { /+ regular content, not a code block +/
@@ -309,15 +320,17 @@ void main(string[] args) {
         {
           import std.outbuffer;
           auto buffer = new OutBuffer();
-          foreach (header; munged_header) { /+ loop to inline endnotes +/
-            buffer.write(header ~ "\n");
+          if (munged_header.length > 0) {
+            foreach (header; munged_header) { /+ loop to inline endnotes +/
+              buffer.write(header ~ "\n");
+            }
           }
           if (munged_endnotes.length == endnote_ref_count) {
             int endnote_count = -1;
-            foreach (content; munged_contents) { /+ loop to inline endnotes +/
+            foreach (k, content; munged_contents) { /+ loop to inline endnotes +/
               content = replaceAll!(m => "~{ " ~ munged_endnotes[++endnote_count] ~ " }~" ~ m["tail"] )
                 (content, rgx_endnote_ref); // endnote_ref cannot occur in a code block or else fail
-              buffer.write(content ~ "\n\n");
+              buffer.write(content ~ ((k == munged_contents.length - 1) ? "" : "\n\n"));
             }
             if (buffer) {
               try {
-- 
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