make header_make available in creating abstract objects

2 files changed, 20 insertions, 407 deletions

diff --git a/src/sdp/ao_abstract_doc_source.d b/src/sdp/ao_abstract_doc_source.d
index 603c025..9851759 100644
--- a/src/sdp/ao_abstract_doc_source.d
+++ b/src/sdp/ao_abstract_doc_source.d
@@ -237,7 +237,7 @@ template SiSUdocAbstraction() {
             continue;
           } else if (type["poem"] == TriState.on) {
             /+ within block object: poem +/
-            poem_block(line, an_object, type, counter, obj_cite_number_poem);
+            poem_block(line, an_object, type, counter, obj_cite_number_poem, dochead_make_aa);
             continue;
           /+ within block object: group +/
           } else if (type["group"] == TriState.on) {
@@ -360,7 +360,7 @@ template SiSUdocAbstraction() {
               }
             } else if (type["blocks"] == TriState.closing) {
               /+ line empty, with blocks flag +/
-              block_flag_line_empty(line, an_object, contents_the_objects, bookindex_unordered_hashes, obj_cite_number, node, counter, type, obj_cite_number_poem); // watch
+              block_flag_line_empty(line, an_object, contents_the_objects, bookindex_unordered_hashes, obj_cite_number, node, counter, type, obj_cite_number_poem, dochead_make_aa); // watch
             } else {
               /+ line empty +/
               /+ line.empty, post contents, empty variables: +/
@@ -391,7 +391,7 @@ template SiSUdocAbstraction() {
                     an_object["is"]
                   ); // heading
                 an_object["substantive"] =
-                  obj_im.obj_inline_markup(an_object["is"], an_object["obj"]);
+                  obj_im.obj_inline_markup(an_object["is"], an_object["obj"], dochead_make_aa);
                 an_object["attrib"] =
                   obj_att.obj_attributes(an_object["is"], an_object["obj"], node);
                 ++heading_pointer;
@@ -433,7 +433,7 @@ template SiSUdocAbstraction() {
                     an_object["is"]
                   );
                 an_object["substantive"] =
-                  obj_im.obj_inline_markup(an_object["is"], an_object["obj"]);
+                  obj_im.obj_inline_markup(an_object["is"], an_object["obj"], dochead_make_aa);
                 an_object["attrib"] =
                   obj_att.obj_attributes(an_object["is"], an_object["obj"], node);
                 contents_the_objects ~=
@@ -504,7 +504,7 @@ template SiSUdocAbstraction() {
         * references / bibliography
         * book index
       +/
-      obj_im.obj_inline_markup("doc_end_reset", "");
+      obj_im.obj_inline_markup("doc_end_reset", "", dochead_make_aa);
       auto en_tuple =
         note_section.endnote_objects(obj_cite_number);
       static assert(!isTypeTuple!(en_tuple));
@@ -935,7 +935,8 @@ template SiSUdocAbstraction() {
       ref string[string] an_object,
       ref int[string] type,
       ref long counter,
-      string[string] obj_cite_number_poem
+      string[string] obj_cite_number_poem,
+      string[string][string] dochead_make_aa,
     ) {
       if (type["curly_poem"] == TriState.on) {
         if (matchFirst(line, rgx.block_curly_poem_close)) {
@@ -968,7 +969,7 @@ template SiSUdocAbstraction() {
             }
             an_object["is"] = "verse";
             an_object["substantive"] =
-              obj_im.obj_inline_markup(an_object["is"], an_object["obj"]);
+              obj_im.obj_inline_markup(an_object["is"], an_object["obj"], dochead_make_aa);
             an_object["attrib"] =
               obj_att.obj_attributes(an_object["is"], an_object["obj"], node);
             contents_the_objects ~=
@@ -1017,7 +1018,7 @@ template SiSUdocAbstraction() {
               an_object["is"]
             );
             an_object["substantive"] =
-              obj_im.obj_inline_markup(an_object["is"], an_object["obj"]);
+              obj_im.obj_inline_markup(an_object["is"], an_object["obj"], dochead_make_aa);
             an_object["attrib"] =
               obj_att.obj_attributes(an_object["is"], an_object["obj"], node);
             contents_the_objects ~=
@@ -1052,7 +1053,7 @@ template SiSUdocAbstraction() {
             processing.remove("verse");
             an_object["is"] = "verse";
             an_object["substantive"] =
-              obj_im.obj_inline_markup(an_object["is"], an_object["obj"]);
+              obj_im.obj_inline_markup(an_object["is"], an_object["obj"], dochead_make_aa);
             an_object["attrib"] =
               obj_att.obj_attributes(an_object["is"], an_object["obj"], node);
             contents_the_objects ~=
@@ -1101,7 +1102,7 @@ template SiSUdocAbstraction() {
                 an_object["is"]
               );
             an_object["substantive"] =
-              obj_im.obj_inline_markup(an_object["is"], an_object["obj"]);
+              obj_im.obj_inline_markup(an_object["is"], an_object["obj"], dochead_make_aa);
             an_object["attrib"] =
               obj_att.obj_attributes(an_object["is"], an_object["obj"], node);
             contents_the_objects ~=
@@ -1264,7 +1265,8 @@ template SiSUdocAbstraction() {
       ref string node,
       ref long counter,
       ref int[string] type,
-      string[string] obj_cite_number_poem
+      string[string] obj_cite_number_poem,
+      string[string][string] dochead_make_aa,
     ) {
       // line.empty, post contents, empty variables ---------------
       assert(
@@ -1293,7 +1295,7 @@ template SiSUdocAbstraction() {
             an_object["is"]
           );
         an_object["substantive"] =
-          obj_im.obj_inline_markup(an_object["is"], an_object["obj"]);
+          obj_im.obj_inline_markup(an_object["is"], an_object["obj"], dochead_make_aa);
         an_object["attrib"] =
           obj_att.obj_attributes(an_object["is"], an_object["obj"], node);
         contents_the_objects ~=
@@ -1353,7 +1355,7 @@ template SiSUdocAbstraction() {
             an_object["is"]
           );
         an_object["substantive"] =
-          obj_im.obj_inline_markup(an_object["is"], an_object["obj"]);
+          obj_im.obj_inline_markup(an_object["is"], an_object["obj"], dochead_make_aa);
         an_object["attrib"] =
           obj_att.obj_attributes(an_object["is"], an_object["obj"], node);
         contents_the_objects ~=
@@ -1385,7 +1387,7 @@ template SiSUdocAbstraction() {
             an_object["is"]
           );
         an_object["substantive"] =
-          obj_im.obj_inline_markup(an_object["is"], an_object["obj"]);
+          obj_im.obj_inline_markup(an_object["is"], an_object["obj"], dochead_make_aa);
         an_object["attrib"] =
           obj_att.obj_attributes(an_object["is"], an_object["obj"], node);
         contents_the_objects ~=
@@ -1416,7 +1418,7 @@ template SiSUdocAbstraction() {
             an_object["is"]
            );
         an_object["substantive"] =
-          obj_im.obj_inline_markup(an_object["is"], an_object["obj"]);
+          obj_im.obj_inline_markup(an_object["is"], an_object["obj"], dochead_make_aa);
         an_object["attrib"] =
           obj_att.obj_attributes(an_object["is"], an_object["obj"], node);
         contents_the_objects ~=
@@ -1448,7 +1450,7 @@ template SiSUdocAbstraction() {
             an_object["is"]
           );
         an_object["substantive"] =
-          obj_im.obj_inline_markup(an_object["is"], an_object["obj"]);
+          obj_im.obj_inline_markup(an_object["is"], an_object["obj"], dochead_make_aa);
         an_object["attrib"] =
           obj_att.obj_attributes(an_object["is"], an_object["obj"], node);
         contents_the_objects ~=
@@ -2213,7 +2215,7 @@ template SiSUdocAbstraction() {
     // struct ObjInlineMarkup : AssertObjInlineMarkup {
       auto munge = ObjInlineMarkupMunge();
       string[string] obj_txt;
-      string obj_inline_markup(string obj_is_, string obj_raw)
+      string obj_inline_markup(string obj_is_, string obj_raw, string[string][string] dochead_make_aa)
       in { }
       body {
         obj_txt["munge"]=obj_raw.dup;
diff --git a/src/sdp/ao_conf_make_meta_sdlang.d b/src/sdp/ao_conf_make_meta_sdlang.d
index 9369aef..9124697 100644
--- a/src/sdp/ao_conf_make_meta_sdlang.d
+++ b/src/sdp/ao_conf_make_meta_sdlang.d
@@ -15,7 +15,7 @@ template SiSUheaderExtractSDLang() {
         foreach (subtag, content; subtags) {
           if (!(conf_sdlang.maybe.tags[maintag].empty)) {
             if (!(conf_sdlang.tags[maintag][0].maybe.attributes[subtag].empty)
-            && (conf_sdlang.tags[maintag][0].attributes[subtag][0].value.length > 1)) {
+            && (conf_sdlang.tags[maintag][0].attributes[subtag][0].value.length > 0)) {
               debug(headersdlang) {
                 writeln(conf_sdlang.tags[maintag][0].attributes[subtag][0].value);
               }
@@ -235,395 +235,6 @@ template SiSUheaderExtractSDLang() {
     private auto headerSDLangToAAmake(Tag header_sdlang, string[string][string] dochead_make) {
       dochead_make = sdlangToAAmake(dochead_make, header_sdlang);
       auto dochead_meta = sdlangToAAmake(meta_aa, header_sdlang);
-      /+
-      /+ dochead +/
-      string hm;
-      string hs;
-      /+ meta +/
-      auto dochead_meta = meta_aa;
-      hm = "title";
-      if (!(header_sdlang.maybe.tags[hm].empty)) {
-        /+ TODO Title REQUIRED +/
-        hs = "main";
-        if (!(header_sdlang.tags[hm].empty)
-        && (header_sdlang.tags[hm][0].values[0].length > 1)) {
-          debug(headersdlang) {
-            writeln(header_sdlang.tags[hm][0].values[0]);
-          }
-          dochead_meta[hm][hs] =
-            to!string(header_sdlang.tags[hm][0].values[0]);
-            // to!string(header_sdlang.tags[hm][0].attributes[hs][0].value);
-        } else if (!(header_sdlang.tags[hm][0].maybe.attributes[hs].empty)
-        && (header_sdlang.tags[hm][0].attributes[hs][0].value.length > 1)) {
-          debug(headersdlang) {
-            writeln(header_sdlang.tags[hm][0].attributes[hs][0].value);
-          }
-          dochead_meta[hm][hs] =
-            to!string(header_sdlang.tags[hm][0].attributes[hs][0].value);
-        } else {
-          writeln("Required header metadata Title, missing");
-        }
-        hs = "sub";
-        if (!(header_sdlang.tags[hm][0].maybe.attributes[hs].empty)
-        && (header_sdlang.tags[hm][0].attributes[hs][0].value.length > 1)) {
-          debug(headersdlang) {
-            writeln(header_sdlang.tags[hm][0].attributes[hs][0].value);
-          }
-          dochead_meta[hm][hs] =
-            to!string(header_sdlang.tags[hm][0].attributes[hs][0].value);
-        } else if (!(header_sdlang.tags[hm][0].maybe.attributes["subtitle"].empty)
-        && (header_sdlang.tags[hm][0].attributes["subtitle"][0].value.length > 1)) {
-          debug(headersdlang) {
-            writeln(header_sdlang.tags[hm][0].attributes["subtitle"][0].value);
-          }
-          dochead_meta[hm][hs] =
-            to!string(header_sdlang.tags[hm][0].attributes["subtitle"][0].value);
-        }
-        // full title composite (main + sub)
-        // hs = "full";
-        // dochead_meta[hm][hs] = dochead_meta[hm]["main"] ~ dochead_meta[hm]["sub"];
-        hs = "language";
-        if (!(header_sdlang.tags[hm][0].maybe.attributes["lang"].empty)
-        && (header_sdlang.tags[hm][0].attributes["lang"][0].value.length > 1)) {
-          debug(headersdlang) {
-            writeln(header_sdlang.tags[hm][0].attributes["lang"][0].value);
-          }
-          dochead_meta[hm][hs] =
-            to!string(header_sdlang.tags[hm][0].attributes["lang"][0].value);
-        } else if (!(header_sdlang.tags[hm][0].maybe.attributes[hs].empty)
-        && (header_sdlang.tags[hm][0].attributes[hs][0].value.length > 1)) {
-          debug(headersdlang) {
-            writeln(header_sdlang.tags[hm][0].attributes[hs][0].value);
-          }
-          dochead_meta[hm][hs] =
-            to!string(header_sdlang.tags[hm][0].attributes[hs][0].value);
-        }
-        hs = "edition";
-        if (!(header_sdlang.tags[hm][0].maybe.attributes[hs].empty)
-        && (header_sdlang.tags[hm][0].attributes[hs][0].value.length > 1)) {
-          debug(headersdlang) {
-            writeln(header_sdlang.tags[hm][0].attributes[hs][0].value);
-          }
-          dochead_meta[hm][hs] =
-            to!string(header_sdlang.tags[hm][0].attributes[hs][0].value);
-        }
-        hs = "note";
-        if (!(header_sdlang.tags[hm][0].maybe.attributes[hs].empty)
-        && (header_sdlang.tags[hm][0].attributes[hs][0].value.length > 1)) {
-          debug(headersdlang) {
-            writeln(header_sdlang.tags[hm][0].attributes[hs][0].value);
-          }
-          dochead_meta[hm][hs] =
-            to!string(header_sdlang.tags[hm][0].attributes[hs][0].value);
-        }
-      }
-      hm = "creator";
-      if (!(header_sdlang.maybe.tags[hm].empty)) {
-        /+ Creator / Author REQUIRED +/
-        /+ TODO
-        - decide on representation for & deal with multiple authors;
-        - author(s) full name;
-        - author(s) surname & other parts
-        +/
-        hs = "author";
-        if (!(header_sdlang.tags[hm][0].maybe.attributes[hs].empty)
-        && (header_sdlang.tags[hm][0].attributes[hs][0].value.length > 1)) {
-          debug(headersdlang) {
-            writeln(header_sdlang.tags[hm][0].attributes[hs][0].value);
-          }
-          dochead_meta[hm][hs] =
-            to!string(header_sdlang.tags[hm][0].attributes[hs][0].value);
-        }
-        hs = "author_email";
-        if (!(header_sdlang.tags[hm][0].maybe.attributes[hs].empty)
-        && (header_sdlang.tags[hm][0].attributes[hs][0].value.length > 1)) {
-          debug(headersdlang) {
-            writeln(header_sdlang.tags[hm][0].attributes[hs][0].value);
-          }
-          dochead_meta[hm][hs] =
-            to!string(header_sdlang.tags[hm][0].attributes[hs][0].value);
-        }
-        hs = "illustrator";
-        if (!(header_sdlang.tags[hm][0].maybe.attributes[hs].empty)
-        && (header_sdlang.tags[hm][0].attributes[hs][0].value.length > 1)) {
-          debug(headersdlang) {
-            writeln(header_sdlang.tags[hm][0].attributes[hs][0].value);
-          }
-          dochead_meta[hm][hs] =
-            to!string(header_sdlang.tags[hm][0].attributes[hs][0].value);
-        }
-        hs = "translator";
-        if (!(header_sdlang.tags[hm][0].maybe.attributes[hs].empty)
-        && (header_sdlang.tags[hm][0].attributes[hs][0].value.length > 1)) {
-          debug(headersdlang) {
-            writeln(header_sdlang.tags[hm][0].attributes[hs][0].value);
-          }
-          dochead_meta[hm][hs] =
-            to!string(header_sdlang.tags[hm][0].attributes[hs][0].value);
-        }
-      }
-      hm = "classify";
-      if (!(header_sdlang.maybe.tags[hm].empty)) {
-        hs = "dewey";
-        if (!(header_sdlang.tags[hm][0].maybe.attributes[hs].empty)
-        && (header_sdlang.tags[hm][0].attributes[hs][0].value.length > 1)) {
-          debug(headersdlang) {
-            writeln(header_sdlang.tags[hm][0].attributes[hs][0].value);
-          }
-          dochead_meta[hm][hs] =
-            to!string(header_sdlang.tags[hm][0].attributes[hs][0].value);
-        }
-        hs = "keywords";
-        if (!(header_sdlang.tags[hm][0].maybe.attributes[hs].empty)
-        && (header_sdlang.tags[hm][0].attributes[hs][0].value.length > 1)) {
-          debug(headersdlang) {
-            writeln(header_sdlang.tags[hm][0].attributes[hs][0].value);
-          }
-          dochead_meta[hm][hs] =
-            to!string(header_sdlang.tags[hm][0].attributes[hs][0].value);
-        }
-        hs = "loc";
-        if (!(header_sdlang.tags[hm][0].maybe.attributes[hs].empty)
-        && (header_sdlang.tags[hm][0].attributes[hs][0].value.length > 1)) {
-          debug(headersdlang) {
-            writeln(header_sdlang.tags[hm][0].attributes[hs][0].value);
-          }
-          dochead_meta[hm][hs] =
-            to!string(header_sdlang.tags[hm][0].attributes[hs][0].value);
-        }
-        hs = "subject";
-        if (!(header_sdlang.tags[hm][0].maybe.attributes[hs].empty)
-        && (header_sdlang.tags[hm][0].attributes[hs][0].value.length > 1)) {
-          debug(headersdlang) {
-            writeln(header_sdlang.tags[hm][0].attributes[hs][0].value);
-          }
-          dochead_meta[hm][hs] =
-            to!string(header_sdlang.tags[hm][0].attributes[hs][0].value);
-        }
-        hs = "topic_register";
-        if (!(header_sdlang.tags[hm][0].maybe.attributes[hs].empty)
-        && (header_sdlang.tags[hm][0].attributes[hs][0].value.length > 1)) {
-          debug(headersdlang) {
-            writeln(header_sdlang.tags[hm][0].attributes[hs][0].value);
-          }
-          dochead_meta[hm][hs] =
-            to!string(header_sdlang.tags[hm][0].attributes[hs][0].value);
-        }
-      }
-      hm = "date";
-      if (!(header_sdlang.maybe.tags[hm].empty)) {
-        hs = "added_to_site";
-        if (!(header_sdlang.tags[hm][0].maybe.attributes[hs].empty)
-        && (header_sdlang.tags[hm][0].attributes[hs][0].value.length > 1)) {
-          debug(headersdlang) {
-            writeln(header_sdlang.tags[hm][0].attributes[hs][0].value);
-          }
-          dochead_meta[hm][hs] =
-            to!string(header_sdlang.tags[hm][0].attributes[hs][0].value);
-        }
-        hs = "available";
-        if (!(header_sdlang.tags[hm][0].maybe.attributes[hs].empty)
-        && (header_sdlang.tags[hm][0].attributes[hs][0].value.length > 1)) {
-          debug(headersdlang) {
-            writeln(header_sdlang.tags[hm][0].attributes[hs][0].value);
-          }
-          dochead_meta[hm][hs] =
-            to!string(header_sdlang.tags[hm][0].attributes[hs][0].value);
-        }
-        hs = "created";
-        if (!(header_sdlang.tags[hm][0].maybe.attributes[hs].empty)
-        && (header_sdlang.tags[hm][0].attributes[hs][0].value.length > 1)) {
-          debug(headersdlang) {
-            writeln(header_sdlang.tags[hm][0].attributes[hs][0].value);
-          }
-          dochead_meta[hm][hs] =
-            to!string(header_sdlang.tags[hm][0].attributes[hs][0].value);
-        }
-        hs = "issued";
-        if (!(header_sdlang.tags[hm][0].maybe.attributes[hs].empty)
-        && (header_sdlang.tags[hm][0].attributes[hs][0].value.length > 1)) {
-          debug(headersdlang) {
-            writeln(header_sdlang.tags[hm][0].attributes[hs][0].value);
-          }
-          dochead_meta[hm][hs] =
-            to!string(header_sdlang.tags[hm][0].attributes[hs][0].value);
-        }
-        hs = "modified";
-        if (!(header_sdlang.tags[hm][0].maybe.attributes[hs].empty)
-        && (header_sdlang.tags[hm][0].attributes[hs][0].value.length > 1)) {
-          debug(headersdlang) {
-            writeln(header_sdlang.tags[hm][0].attributes[hs][0].value);
-          }
-          dochead_meta[hm][hs] =
-            to!string(header_sdlang.tags[hm][0].attributes[hs][0].value);
-        }
-        hs = "published";
-        if (!(header_sdlang.tags[hm][0].maybe.attributes[hs].empty)
-        && (header_sdlang.tags[hm][0].attributes[hs][0].value.length > 1)) {
-          debug(headersdlang) {
-            writeln(header_sdlang.tags[hm][0].attributes[hs][0].value);
-          }
-          dochead_meta[hm][hs] =
-            to!string(header_sdlang.tags[hm][0].attributes[hs][0].value);
-        }
-        hs = "valid";
-        if (!(header_sdlang.tags[hm][0].maybe.attributes[hs].empty)
-        && (header_sdlang.tags[hm][0].attributes[hs][0].value.length > 1)) {
-          debug(headersdlang) {
-            writeln(header_sdlang.tags[hm][0].attributes[hs][0].value);
-          }
-          dochead_meta[hm][hs] =
-            to!string(header_sdlang.tags[hm][0].attributes[hs][0].value);
-        }
-      }
-      hm = "identifier";
-      if (!(header_sdlang.maybe.tags[hm].empty)) {
-        hs = "isbn";
-        if (!(header_sdlang.tags[hm][0].maybe.attributes[hs].empty)
-        && (header_sdlang.tags[hm][0].attributes[hs][0].value.length > 1)) {
-          debug(headersdlang) {
-            writeln(header_sdlang.tags[hm][0].attributes[hs][0].value);
-          }
-          dochead_meta[hm][hs] =
-            to!string(header_sdlang.tags[hm][0].attributes[hs][0].value);
-        }
-        hs = "oclc";
-        if (!(header_sdlang.tags[hm][0].maybe.attributes[hs].empty)
-        && (header_sdlang.tags[hm][0].attributes[hs][0].value.length > 1)) {
-          debug(headersdlang) {
-            writeln(header_sdlang.tags[hm][0].attributes[hs][0].value);
-          }
-          dochead_meta[hm][hs] =
-            to!string(header_sdlang.tags[hm][0].attributes[hs][0].value);
-        }
-        hs = "pg";
-        if (!(header_sdlang.tags[hm][0].maybe.attributes[hs].empty)
-        && (header_sdlang.tags[hm][0].attributes[hs][0].value.length > 1)) {
-          debug(headersdlang) {
-            writeln(header_sdlang.tags[hm][0].attributes[hs][0].value);
-          }
-          dochead_meta[hm][hs] =
-            to!string(header_sdlang.tags[hm][0].attributes[hs][0].value);
-        }
-      }
-      hm = "links";
-      if (!(header_sdlang.maybe.tags[hm].empty)) {
-        /+ TODO
-          stuff to fix
-        +/
-        // hs = "link";
-        // if (!(header_sdlang.tags[hm][0].maybe.attributes[hs].empty)
-        // && (header_sdlang.tags[hm][0].attributes[hs][0].value.length > 1)) {
-        //   debug(headersdlang) {
-        //     writeln(header_sdlang.tags[hm][0].attributes[hs][0].value);
-        //   }
-        //   dochead_meta[hm][hs] =
-        //     to!string(header_sdlang.tags[hm][0].attributes[hs][0].value);
-        // }
-      }
-      hm = "notes";
-      if (!(header_sdlang.maybe.tags[hm].empty)) {
-        hs = "abstract";
-        if (!(header_sdlang.tags[hm][0].maybe.attributes[hs].empty)
-        && (header_sdlang.tags[hm][0].attributes[hs][0].value.length > 1)) {
-          debug(headersdlang) {
-            writeln(header_sdlang.tags[hm][0].attributes[hs][0].value);
-          }
-          dochead_meta[hm][hs] =
-            to!string(header_sdlang.tags[hm][0].attributes[hs][0].value);
-        }
-        hs = "description";
-        if (!(header_sdlang.tags[hm][0].maybe.attributes[hs].empty)
-        && (header_sdlang.tags[hm][0].attributes[hs][0].value.length > 1)) {
-          debug(headersdlang) {
-            writeln(header_sdlang.tags[hm][0].attributes[hs][0].value);
-          }
-          dochead_meta[hm][hs] =
-            to!string(header_sdlang.tags[hm][0].attributes[hs][0].value);
-        }
-      }
-      hm = "original";
-      if (!(header_sdlang.maybe.tags[hm].empty)) {
-        hs = "language";
-        if (!(header_sdlang.tags[hm][0].maybe.attributes[hs].empty)
-        && (header_sdlang.tags[hm][0].attributes[hs][0].value.length > 1)) {
-          debug(headersdlang) {
-            writeln(header_sdlang.tags[hm][0].attributes[hs][0].value);
-          }
-          dochead_meta[hm][hs] =
-            to!string(header_sdlang.tags[hm][0].attributes[hs][0].value);
-        }
-        hs = "source";
-        if (!(header_sdlang.tags[hm][0].maybe.attributes[hs].empty)
-        && (header_sdlang.tags[hm][0].attributes[hs][0].value.length > 1)) {
-          debug(headersdlang) {
-            writeln(header_sdlang.tags[hm][0].attributes[hs][0].value);
-          }
-          dochead_meta[hm][hs] =
-            to!string(header_sdlang.tags[hm][0].attributes[hs][0].value);
-        }
-        hs = "title";
-        if (!(header_sdlang.tags[hm][0].maybe.attributes[hs].empty)
-        && (header_sdlang.tags[hm][0].attributes[hs][0].value.length > 1)) {
-          debug(headersdlang) {
-            writeln(header_sdlang.tags[hm][0].attributes[hs][0].value);
-          }
-          dochead_meta[hm][hs] =
-            to!string(header_sdlang.tags[hm][0].attributes[hs][0].value);
-        }
-      }
-      hm = "publisher";
-      if (!(header_sdlang.maybe.tags[hm].empty)) {
-        hs = "name";
-        if (!(header_sdlang.tags[hm][0].maybe.attributes[hs].empty)
-        && (header_sdlang.tags[hm][0].attributes[hs][0].value.length > 1)) {
-          debug(headersdlang) {
-            writeln(header_sdlang.tags[hm][0].attributes[hs][0].value);
-          }
-          dochead_meta[hm][hs] =
-            to!string(header_sdlang.tags[hm][0].attributes[hs][0].value);
-        }
-      }
-      hm = "rights";
-      if (!(header_sdlang.maybe.tags[hm].empty)) {
-        hs = "copyright";
-        if (!(header_sdlang.tags[hm][0].maybe.attributes[hs].empty)
-        && (header_sdlang.tags[hm][0].attributes[hs][0].value.length > 1)) {
-          debug(headersdlang) {
-            writeln(header_sdlang.tags[hm][0].attributes[hs][0].value);
-          }
-          dochead_meta[hm][hs] =
-            to!string(header_sdlang.tags[hm][0].attributes[hs][0].value);
-        }
-        hs = "cover";
-        if (!(header_sdlang.tags[hm][0].maybe.attributes[hs].empty)
-        && (header_sdlang.tags[hm][0].attributes[hs][0].value.length > 1)) {
-          debug(headersdlang) {
-            writeln(header_sdlang.tags[hm][0].attributes[hs][0].value);
-          }
-          dochead_meta[hm][hs] =
-            to!string(header_sdlang.tags[hm][0].attributes[hs][0].value);
-        }
-        hs = "illustrations";
-        if (!(header_sdlang.tags[hm][0].maybe.attributes[hs].empty)
-        && (header_sdlang.tags[hm][0].attributes[hs][0].value.length > 1)) {
-          debug(headersdlang) {
-            writeln(header_sdlang.tags[hm][0].attributes[hs][0].value);
-          }
-          dochead_meta[hm][hs] =
-            to!string(header_sdlang.tags[hm][0].attributes[hs][0].value);
-        }
-        hs = "license";
-        if (!(header_sdlang.tags[hm][0].maybe.attributes[hs].empty)
-        && (header_sdlang.tags[hm][0].attributes[hs][0].value.length > 1)) {
-          debug(headersdlang) {
-            writeln(header_sdlang.tags[hm][0].attributes[hs][0].value);
-          }
-          dochead_meta[hm][hs] =
-            to!string(header_sdlang.tags[hm][0].attributes[hs][0].value);
-        }
-      }
-      +/
       auto t = tuple(dochead_make, dochead_meta);
       static assert(!isTypeTuple!(t));
       return t;