org file reorganise

10 files changed, 660 insertions, 709 deletions

diff --git a/src/sdp.d b/src/sdp.d
index fb5728e..2b511e5 100755
--- a/src/sdp.d
+++ b/src/sdp.d
@@ -21,17 +21,11 @@ import
 import sdlang;                            // sdlang.d
 /+ std +/
 private import
-  std.algorithm,
   std.array,
-  std.container,
   std.exception,
   std.getopt,
-  std.json,
   std.process,
   std.stdio,
-  std.file,
-  std.path,
-  std.range,
   std.regex,
   std.string,
   std.traits,
@@ -50,15 +44,6 @@ void main(string[] args) {
   mixin SiSUbiblio;
   mixin SiSUrgxInitFlags;
   mixin outputHub;
-  /+
-  struct DocumentParts {
-    string[string][] contents;
-    string[string][string] meta_aa;
-    string[string][string] make_aa;
-    string[][string][string] bookindex_unordered_hashes;
-    JSONValue[] biblio;
-  }
-  +/
   string[] fns_src;
   string flag_action;
   string arg_unrecognized;
@@ -83,6 +68,7 @@ void main(string[] args) {
   bool[string] _opt_action_bool = [
     "assertions"         : false,
     "concordance"        : false,
+    "debug"              : false,
     "digest"             : false,
     "docbook"            : false,
     "epub"               : false,
@@ -117,6 +103,7 @@ void main(string[] args) {
     std.getopt.config.passThrough,
     "assert",             "--assert set optional assertions on",                        &_opt_action_bool["assertions"],
     "concordance",        "--concordance file for document",                            &_opt_action_bool["concordance"],
+    "debug",             "--debug only relevant when debug options compiled in",        &_opt_action_bool["debug"],
     "digest",             "--digest hash digest for each object",                       &_opt_action_bool["digest"],
     "docbook",            "--docbook process docbook output",                           &_opt_action_bool["docbook"],
     "epub",               "--epub process epub output",                                 &_opt_action_bool["epub"],
@@ -202,7 +189,9 @@ void main(string[] args) {
       auto doc_abstraction = t[0];
       auto doc_matters = t[1];
       /+ ↓ debugs +/
-      debug(checkdoc) {
+      if ((doc_matters.opt_action_bool["debug"])
+      || (doc_matters.opt_action_bool["verbose"])
+      ) {
         SiSUdebugs!()(doc_abstraction, doc_matters);
       }
       /+ ↓ output hub +/
@@ -216,12 +205,6 @@ void main(string[] args) {
             fn_src
           );
         }
-        // destroy(_0_header_1_body_content_2_insert_filelist_tuple);
-        // destroy(t);
-        // destroy(doc_abstraction);
-        // // destroy(doc_ao_make_aa);
-        // // destroy(doc_ao_meta_aa);
-        // destroy(_doc_html_segnames);
         destroy(fn_src);
       }
     } else {
diff --git a/src/sdp/abstraction.d b/src/sdp/abstraction.d
index d91618e..de26582 100644
--- a/src/sdp/abstraction.d
+++ b/src/sdp/abstraction.d
@@ -15,17 +15,11 @@ template SiSUabstraction() {
   import sdlang;                            // sdlang.d
   /+ std +/
   private import
-    std.algorithm,
     std.array,
-    std.container,
     std.exception,
     std.getopt,
-    std.json,
     std.process,
     std.stdio,
-    std.file,
-    std.path,
-    std.range,
     std.regex,
     std.string,
     std.traits,
@@ -112,6 +106,11 @@ template SiSUabstraction() {
         bool[string] _k = opts;
         return _k;
       }
+      auto environment() {
+        auto _k = env;
+        return _k;
+      }
+      /+ add a list of images +/
     }
     auto doc_matters = DocumentMatters();
     auto t = tuple(doc_abstraction, doc_matters);
diff --git a/src/sdp/ao_abstract_doc_source.d b/src/sdp/ao_abstract_doc_source.d
index 478cbf8..cd1c266 100644
--- a/src/sdp/ao_abstract_doc_source.d
+++ b/src/sdp/ao_abstract_doc_source.d
@@ -47,7 +47,7 @@ template SiSUdocAbstraction() {
   auto note_section = NotesSection();
   /+ enum +/
   enum State { off, on }
-  enum TriState { off, on, closing } // make aware, possibility of third state
+  enum TriState { off, on, closing }
   enum DocStructMarkupHeading {
     h_sect_A,
     h_sect_B,
@@ -458,8 +458,6 @@ template SiSUdocAbstraction() {
               comp_obj_heading_.parent_lev_markup     = 0;
               comp_obj_heading_.anchor_tags           = ["glossary"];
               the_glossary_section                    ~= comp_obj_heading_;
-            // } else if (matchFirst(line, rgx.heading)) {
-            //   _heading_matched_(line, line_occur, an_object, an_object_key, lv, collapsed_lev, type, dochead_meta_aa); // levels?
             } else {
               _para_match_(line, an_object, an_object_key, indent, bullet, type, line_occur);
               comp_obj_para                       = comp_obj_para.init;
@@ -487,7 +485,6 @@ template SiSUdocAbstraction() {
             writeln(__LINE__);
             writeln(line);
           }
-          // _blurb_block_(line, type);
           type["glossary_section"] = State.off;
           type["biblio_section"] = State.off;
           type["blurb_section"] = State.on;
@@ -682,7 +679,7 @@ template SiSUdocAbstraction() {
                 }
               } else if (line_occur["heading"] > State.off) {
                 /+ heading +/
-                debug(heading) {                         // heading
+                debug(heading) {
                   writeln(line);
                 }
                 an_object[an_object_key] ~= line ~= "\n";
@@ -733,7 +730,7 @@ template SiSUdocAbstraction() {
               an_object["is"] = "heading";
               an_object_key="body_nugget";
               auto substantive_object_and_anchor_tags_tuple =
-                obj_im.obj_inline_markup_and_anchor_tags(an_object, an_object_key, dochead_make_aa); // tuple this with anchor tags?
+                obj_im.obj_inline_markup_and_anchor_tags(an_object, an_object_key, dochead_make_aa);
               an_object["substantive"] = substantive_object_and_anchor_tags_tuple[0];
               anchor_tags = substantive_object_and_anchor_tags_tuple[1];
               if (to!int(an_object["lev_markup_number"]) == 4) {
@@ -809,7 +806,7 @@ template SiSUdocAbstraction() {
                   an_object["is"],
                 );
               auto substantive_object_and_anchor_tags_tuple =
-                obj_im.obj_inline_markup_and_anchor_tags(an_object, an_object_key, dochead_make_aa); // ...
+                obj_im.obj_inline_markup_and_anchor_tags(an_object, an_object_key, dochead_make_aa);
               an_object["substantive"] = substantive_object_and_anchor_tags_tuple[0];
               anchor_tags = substantive_object_and_anchor_tags_tuple[1];
               comp_obj_para                       = comp_obj_para.init;
@@ -871,19 +868,6 @@ template SiSUdocAbstraction() {
       }
     } /+ ← closed: loop markup document/text line by line +/
     /+ ↓ post loop markup document/text +/
-    debug(objectrelated2) { // check
-      writeln(line);
-    }
-    /+
-      Backmatter:
-      - endnotes
-      - glossary
-      - bibliography / references
-      - book index
-      - blurb
-    +/
-    // TODO FIGURE OUT, you need this possibility
-    // obj_im.obj_inline_markup_and_anchor_tags("doc_end_reset", an_object_key, "", dochead_make_aa);
     auto en_tuple =
       note_section.endnote_objects(obj_cite_number, opt_action_bool);
     static assert(!isTypeTuple!(en_tuple));
@@ -922,7 +906,6 @@ template SiSUdocAbstraction() {
       }
     }
     auto biblio_unsorted_incomplete = biblio_arr_json.dup;
-    // destroy(biblio_arr_json);
     auto biblio = Bibliography();
     auto biblio_ordered =
       biblio._bibliography_(biblio_unsorted_incomplete, bib_arr_json);
@@ -1016,7 +999,7 @@ template SiSUdocAbstraction() {
     static assert(!isTypeTuple!(bi_tuple));
     auto the_bookindex_section = bi_tuple[0];
     obj_cite_number = bi_tuple[1];
-    debug(bookindex) {                         // bookindex
+    debug(bookindex) {
       foreach (bi_entry; the_bookindex_section["seg"]) {
         writeln(bi_entry);
       }
@@ -1036,8 +1019,6 @@ template SiSUdocAbstraction() {
       comp_obj_heading_.parent_ocn            = 1;
       comp_obj_heading_.parent_lev_markup     = 0;
       the_blurb_section                       ~= comp_obj_heading_;
-    } else {
-      writeln("blurb");
     }
     debug(blurb) {
       foreach (blurb; the_blurb_section) {
@@ -1062,7 +1043,7 @@ template SiSUdocAbstraction() {
         "{ %s }%s../%s.fnSuffix",
         "Endnotes",
         mkup.mark_internal_site_lnk,
-        "endnotes",            // segment_anchor_tag_that_object_belongs_to
+        "endnotes",               // segment_anchor_tag_that_object_belongs_to
       );
       toc_txt_= munge.url_links(toc_txt_);
       comp_obj_toc.text                       = to!string(toc_txt_).strip;
@@ -1073,7 +1054,7 @@ template SiSUdocAbstraction() {
         "{ %s }%s../%s.fnSuffixs",
         "Glossary",
         mkup.mark_internal_site_lnk,
-        "glossary",  // segment_anchor_tag_that_object_belongs_to
+        "glossary",               // segment_anchor_tag_that_object_belongs_to
       );
       toc_txt_= munge.url_links(toc_txt_);
       comp_obj_toc.text                       = to!string(toc_txt_).strip;
@@ -1081,7 +1062,7 @@ template SiSUdocAbstraction() {
       toc_txt_ = format(
         "{ %s }#%s",
         "Glossary",
-        "glossary",            // _anchor_tag
+        "glossary",               // _anchor_tag
       );
       toc_txt_= munge.url_links(toc_txt_);
       comp_obj_toc.text                       = to!string(toc_txt_).strip;
@@ -1092,7 +1073,7 @@ template SiSUdocAbstraction() {
         "{ %s }%s../%s.fnSuffix",
         "Bibliography",
         mkup.mark_internal_site_lnk,
-        "bibliography",        // segment_anchor_tag_that_object_belongs_to
+        "bibliography",           // segment_anchor_tag_that_object_belongs_to
       );
       toc_txt_= munge.url_links(toc_txt_);
       comp_obj_toc.text                       = to!string(toc_txt_).strip;
@@ -1101,7 +1082,7 @@ template SiSUdocAbstraction() {
       toc_txt_ = format(
         "{ %s }#%s",
         "Bibliography",
-        "bibliography",          // _anchor_tag
+        "bibliography",           // _anchor_tag
       );
       toc_txt_= munge.url_links(toc_txt_);
       comp_obj_toc.text                       = to!string(toc_txt_).strip;
@@ -1112,7 +1093,7 @@ template SiSUdocAbstraction() {
         "{ %s }%s../%s.fnSuffix",
         "Book Index",
         mkup.mark_internal_site_lnk,
-        "bookindex",          // segment_anchor_tag_that_object_belongs_to
+        "bookindex",              // segment_anchor_tag_that_object_belongs_to
       );
       toc_txt_= munge.url_links(toc_txt_);
       comp_obj_toc.text                       = to!string(toc_txt_).strip;
@@ -1122,7 +1103,7 @@ template SiSUdocAbstraction() {
       toc_txt_ = format(
         "{ %s }#%s",
         "Book Index",
-        "bookindex",            // _anchor_tag
+        "bookindex",              // _anchor_tag
       );
       toc_txt_= munge.url_links(toc_txt_);
       comp_obj_toc.text                       = to!string(toc_txt_).strip;
@@ -1133,7 +1114,7 @@ template SiSUdocAbstraction() {
         "{ %s }%s../%s.fnSuffix",
         "Blurb",
         mkup.mark_internal_site_lnk,
-        "blurb",                // segment_anchor_tag_that_object_belongs_to
+        "blurb",                  // segment_anchor_tag_that_object_belongs_to
       );
       toc_txt_= munge.url_links(toc_txt_);
       comp_obj_toc.text                       = to!string(toc_txt_).strip;
@@ -1141,7 +1122,7 @@ template SiSUdocAbstraction() {
       toc_txt_ = format(
         "{ %s }#%s",
         "Blurb",
-        "blurb",                // _anchor_tag
+        "blurb",                  // _anchor_tag
       );
       toc_txt_= munge.url_links(toc_txt_);
       comp_obj_toc.text                       = to!string(toc_txt_).strip;
@@ -1250,9 +1231,6 @@ template SiSUdocAbstraction() {
       dom_collapsed_buffer = dom_collapsed.dup;
       foreach (ref obj; the_table_of_contents_section["scroll"]) {
         if (obj.is_a == "heading") {
-          debug(dom) {
-          // writeln(obj.text);
-          }
           if (obj.heading_lev_markup == 4) {
             obj.segname_next = html_segnames[obj.ptr_html_segnames + 1];
             assert(obj.segment_anchor_tag == html_segnames[obj.ptr_html_segnames]);
@@ -1790,31 +1768,31 @@ template SiSUdocAbstraction() {
     auto rgx = Rgx();
     if (type["curly_code"] == TriState.on) {
       if (matchFirst(line, rgx.block_curly_code_close)) {
-        debug(code) {                              // code (curly) close
+        debug(code) {                                    // code (curly) close
           writeln(line);
         }
         type["blocks"] = TriState.closing;
         type["code"] = TriState.closing;
         type["curly_code"] = TriState.off;
       } else {
-        debug(code) {                              // code (curly) line
+        debug(code) {                                    // code (curly) line
           writeln(line);
         }
-        an_object[an_object_key] ~= line ~= "\n";          // code (curly) line
+        an_object[an_object_key] ~= line ~= "\n";        // code (curly) line
       }
     } else if (type["tic_code"] == TriState.on) {
       if (matchFirst(line, rgx.block_tic_close)) {
-        debug(code) {                              // code (tic) close
+        debug(code) {                                    // code (tic) close
           writeln(line);
         }
         type["blocks"] = TriState.closing;
         type["code"] = TriState.closing;
         type["tic_code"] = TriState.off;
       } else {
-        debug(code) {                              // code (tic) line
+        debug(code) {                                    // code (tic) line
           writeln(line);
         }
-        an_object[an_object_key] ~= line ~= "\n";          // code (tic) line
+        an_object[an_object_key] ~= line ~= "\n";        // code (tic) line
       }
     }
   }
@@ -1962,7 +1940,7 @@ template SiSUdocAbstraction() {
       header_tag_value="";
     }
   }
-  //   
+  // 
   void _poem_block_(L,O,T,C,N,Ma)(
     L     line,
     ref O an_object,
@@ -1982,8 +1960,8 @@ template SiSUdocAbstraction() {
     auto rgx = Rgx();
     if (type["curly_poem"] == TriState.on) {
       if (matchFirst(line, rgx.block_curly_poem_close)) {
-        an_object[an_object_key]="verse"; // check that this is as you please
-        debug(poem) {                            // poem (curly) close
+        an_object[an_object_key]="verse";
+        debug(poem) {                               // poem (curly) close
           writefln(
             "* [poem curly] %s",
             line
@@ -1992,7 +1970,7 @@ template SiSUdocAbstraction() {
         if (processing.length > 0) {
           an_object[an_object_key] = processing["verse"];
         }
-        debug(poem) {                            // poem (curly) close
+        debug(poem) {                               // poem (curly) close
           writeln(__LINE__);
           writefln(
             "* %s %s",
@@ -2001,7 +1979,7 @@ template SiSUdocAbstraction() {
           );
         }
         if (an_object.length > 0) {
-          debug(poem) {                            // poem (curly) close
+          debug(poem) {                             // poem (curly) close
             writeln(
               obj_cite_number,
               an_object[an_object_key]
@@ -2078,18 +2056,18 @@ template SiSUdocAbstraction() {
       }
     } else if (type["tic_poem"] == TriState.on) {
       if (auto m = matchFirst(line, rgx.block_tic_close)) { // tic_poem_close
-        an_object[an_object_key]="verse"; // check that this is as you please
-        debug(poem) {                            // poem (curly) close
+        an_object[an_object_key]="verse";
+        debug(poem) {                                       // poem (curly) close
           writefln(
             "* [poem tic] %s",
             line
           );
         }
-        if (processing.length > 0) {       // needs looking at
+        if (processing.length > 0) {
           an_object[an_object_key] = processing["verse"];
         }
         if (an_object.length > 0) {
-          debug(poem) {                            // poem (tic) close
+          debug(poem) {                                     // poem (tic) close
             writeln(__LINE__);
             writeln(obj_cite_number, line);
           }
@@ -2107,7 +2085,7 @@ template SiSUdocAbstraction() {
           comp_obj_block.obj_cite_number            = (obj_cite_number==0) ? "" : to!string(obj_cite_number);
           comp_obj_block.text                       = an_object["substantive"];
           the_document_body_section                 ~= comp_obj_block;
-          obj_cite_number_poem["end"] = to!string(obj_cite_number);
+          obj_cite_number_poem["end"]               = to!string(obj_cite_number);
           object_reset(an_object);
           processing.remove("verse");
           ++cntr;
@@ -2178,31 +2156,31 @@ template SiSUdocAbstraction() {
     auto rgx = Rgx();
     if (type["curly_group"] == State.on) {
       if (matchFirst(line, rgx.block_curly_group_close)) {
-        debug(group) {                           // group (curly) close
+        debug(group) {                              // group (curly) close
           writeln(line);
         }
         type["blocks"] = TriState.closing;
         type["group"] = TriState.closing;
         type["curly_group"] = TriState.off;
       } else {
-        debug(group) {                           // group
+        debug(group) {                              // group
           writeln(line);
         }
-        an_object[an_object_key] ~= line ~= "\n";           // build group array (or string)
+        an_object[an_object_key] ~= line ~= "\n";   // build group array (or string)
       }
     } else if (type["tic_group"] == TriState.on) {
       if (matchFirst(line, rgx.block_tic_close)) {
-        debug(group) {                           // group (tic) close
+        debug(group) {                              // group (tic) close
           writeln(line);
         }
         type["blocks"] = TriState.closing;
         type["group"] = TriState.closing;
         type["tic_group"] = TriState.off;
       } else {
-        debug(group) {                           // group
+        debug(group) {                              // group
           writeln(line);
         }
-        an_object[an_object_key] ~= line ~= "\n";           // build group array (or string)
+        an_object[an_object_key] ~= line ~= "\n";   // build group array (or string)
       }
     }
   }
@@ -2219,31 +2197,31 @@ template SiSUdocAbstraction() {
     auto rgx = Rgx();
     if (type["curly_block"] == TriState.on) {
       if (matchFirst(line, rgx.block_curly_block_close)) {
-        debug(block) {                           // block (curly) close
+        debug(block) {                             // block (curly) close
           writeln(line);
         }
         type["blocks"] = TriState.closing;
         type["block"] = TriState.closing;
         type["curly_block"] = TriState.off;
       } else {
-        debug(block) {                           // block
+        debug(block) {                             // block
           writeln(line);
         }
-        an_object[an_object_key] ~= line ~= "\n";           // build block array (or string)
+        an_object[an_object_key] ~= line ~= "\n";   // build block array (or string)
       }
     } else if (type["tic_block"] == TriState.on) {
       if (matchFirst(line, rgx.block_tic_close)) {
-        debug(block) {                           // block (tic) close
+        debug(block) {                              // block (tic) close
           writeln(line);
         }
         type["blocks"] = TriState.closing;
         type["block"] = TriState.closing;
         type["tic_block"] = TriState.off;
       } else {
-        debug(block) {                           // block
+        debug(block) {                             // block
           writeln(line);
         }
-        an_object[an_object_key] ~= line ~= "\n";           // build block array (or string)
+        an_object[an_object_key] ~= line ~= "\n";   // build block array (or string)
       }
     }
   }
@@ -2260,31 +2238,31 @@ template SiSUdocAbstraction() {
     auto rgx = Rgx();
     if (type["curly_quote"] == TriState.on) {
       if (matchFirst(line, rgx.block_curly_quote_close)) {
-        debug(quote) {                           // quote (curly) close
+        debug(quote) {                              // quote (curly) close
           writeln(line);
         }
         type["blocks"] = TriState.closing;
         type["quote"] = TriState.closing;
         type["curly_quote"] = TriState.off;
       } else {
-        debug(quote) {                           // quote
+        debug(quote) {
           writeln(line);
         }
-        an_object[an_object_key] ~= line ~= "\n";           // build quote array (or string)
+        an_object[an_object_key] ~= line ~= "\n";   // build quote array (or string)
       }
     } else if (type["tic_quote"] == TriState.on) {
       if (matchFirst(line, rgx.block_tic_close)) {
-        debug(quote) {                           // quote (tic) close
+        debug(quote) {                              // quote (tic) close
           writeln(line);
         }
         type["blocks"] = TriState.closing;
         type["quote"] = TriState.closing;
         type["tic_quote"] = TriState.off;
       } else {
-        debug(quote) {                           // quote
+        debug(quote) {
           writeln(line);
         }
-        an_object[an_object_key] ~= line ~= "\n";           // build quote array (or string)
+        an_object[an_object_key] ~= line ~= "\n";   // build quote array (or string)
       }
     }
   }
@@ -2405,7 +2383,7 @@ template SiSUdocAbstraction() {
       comp_obj_poem_ocn.is_of                   = "block";
       comp_obj_poem_ocn.is_a                    = "poem";
       comp_obj_poem_ocn.ocn                     = obj_cite_number;
-      comp_obj_poem_ocn.obj_cite_number         = (obj_cite_number_poem["start"], obj_cite_number_poem["end"]); // not sure about this
+      comp_obj_poem_ocn.obj_cite_number         = (obj_cite_number_poem["start"], obj_cite_number_poem["end"]);
       comp_obj_poem_ocn.text                    = ""; // an_object["substantive"];
       the_document_body_section                 ~= comp_obj_poem_ocn;
       object_reset(an_object);
@@ -2936,7 +2914,7 @@ template SiSUdocAbstraction() {
     if (line_occur["para"] == State.off) {
       /+ para matches +/
       type["para"] = State.on;
-      an_object[an_object_key] ~= line; // body_nugget
+      an_object[an_object_key] ~= line;        // body_nugget
       indent=[
         "hang_position" : 0,
         "base_position" : 0,
@@ -3056,7 +3034,7 @@ template SiSUdocAbstraction() {
       }
       return obj_txt_in;
     }
-    string footnotes_endnotes_markup_and_number_or_stars(Ot)(Ot obj_txt_in) {                                                // here endnotes are marked up
+    string footnotes_endnotes_markup_and_number_or_stars(Ot)(Ot obj_txt_in) {                                // here endnotes are marked up
       debug(asserts){
         static assert(is(typeof(obj_txt_in) == string));
       }
@@ -3749,7 +3727,7 @@ template SiSUdocAbstraction() {
         break;
       }
       _obj_attrib["json"] ~=" }";
-      _obj_attrib["json"]=_set_additional_values_parse_as_json(_obj_attrib["json"], obj_is_, _comp_obj_heading); // check
+      _obj_attrib["json"]=_set_additional_values_parse_as_json(_obj_attrib["json"], obj_is_, _comp_obj_heading);
       debug(structattrib) {
         if (oa_j["is"].str() == "heading") {
           writeln(_obj_attrib["json"]);
@@ -3925,7 +3903,7 @@ template SiSUdocAbstraction() {
       OA _obj_attrib,
       Oi obj_is_,
       OH _comp_obj_heading,
-    ) {                                                  //
+    ) {
       debug(asserts){
         static assert(is(typeof(_obj_attrib)       == string));
         static assert(is(typeof(obj_is_)           == string));
@@ -4376,7 +4354,7 @@ template SiSUdocAbstraction() {
           auto     m                            = (matchFirst(endnote, rgx.note_ref));
           string   notenumber                   = to!string(m.captures[1]);
           string   anchor_tag                   = "note_" ~ notenumber;
-          comp_obj_endnote_.anchor_tags         ~= [ endnotes_["anchor"][i] ]; // fix
+          comp_obj_endnote_.anchor_tags         ~= [ endnotes_["anchor"][i] ];
           comp_obj_endnote_.text                = endnote.strip;
           the_endnotes_section                  ~= comp_obj_endnote_;
         }
@@ -4586,7 +4564,7 @@ template SiSUdocAbstraction() {
     }
     body {
       int obj_cite_number = to!int(obj_cite_number_);
-      switch (to!int(lev_markup_number)) { // switch (to!string(lv)) {
+      switch (to!int(lev_markup_number)) {
       case 0:
         lv = DocStructMarkupHeading.h_sect_A;
         lv0 = obj_cite_number;
@@ -4670,7 +4648,7 @@ template SiSUdocAbstraction() {
       _comp_obj_heading_                           = _comp_obj_heading_.init;
       _comp_obj_heading_.use                       = "body";
       _comp_obj_heading_.is_of                     = "para";
-      _comp_obj_heading_.is_a                      = "heading";   //    _node_heading_.is_a                = is_; // check whether needed, constant???
+      _comp_obj_heading_.is_a                      = "heading";   //                   = is_; // check whether needed, constant???
       _comp_obj_heading_.text                      = to!string(_text).strip;
       _comp_obj_heading_.ocn                       = obj_cite_number_;
       _comp_obj_heading_.obj_cite_number           = (obj_cite_number==0) ? "" : to!string(obj_cite_number);
diff --git a/src/sdp/ao_defaults.d b/src/sdp/ao_defaults.d
index 3c902df..f7a4e7b 100644
--- a/src/sdp/ao_defaults.d
+++ b/src/sdp/ao_defaults.d
@@ -432,7 +432,7 @@ template SiSUpaths() {
       return chainPath(seg(fn_src), seg_filename ~ ".html").array;
     }
     // string fn_css(string fn_src) {
-    //   // // return chainPath(seg(fn_src), "html.css").array;
+    //   return chainPath(seg(fn_src), "html.css").array;
     // }
   }
   struct EpubPaths {
diff --git a/src/sdp/ao_output_debugs.d b/src/sdp/ao_output_debugs.d
index 73cdfd7..414e851 100644
--- a/src/sdp/ao_output_debugs.d
+++ b/src/sdp/ao_output_debugs.d
@@ -28,468 +28,367 @@ template SiSUdebugs() {
     auto ref const S         contents,
     auto ref T               doc_matters,
   ) {
-    mixin SiSUrgxInit;
-    mixin InternalMarkup;
-    auto rgx = Rgx();
-    auto markup = InlineMarkup();
-    string key;
-    
-    debug(parent) {
-      writefln(
-        "%s:%s",
-        __FILE__,
-        __LINE__,
-      );
-      foreach (key; doc_matters.keys_seq_seg) {
-        foreach (obj; contents[key]) {
-          if (obj.use != "empty") {
-            if (obj.is_a == "heading") {
-              writefln(
-                "%s node: %s heading: %s %s",
-                obj.obj_cite_number,
-                obj.node,
-                obj.heading_lev_markup,
-                obj.text,
-              );
+      mixin SiSUrgxInit;
+      mixin InternalMarkup;
+      auto rgx = Rgx();
+      auto markup = InlineMarkup();
+      string key;
+      debug(parent) {
+        writefln(
+          "%s:%s",
+          __FILE__,
+          __LINE__,
+        );
+        foreach (key; doc_matters.keys_seq_seg) {
+          foreach (obj; contents[key]) {
+            if (obj.use != "empty") {
+              if (obj.is_a == "heading") {
+                writefln(
+                  "%s node: %s heading: %s %s",
+                  obj.obj_cite_number,
+                  obj.node,
+                  obj.heading_lev_markup,
+                  obj.text,
+                );
+              }
             }
           }
         }
       }
-    }
-    debug(dumpdoc) {
-      writefln(
-        "%s\n%s:%s",
-        "-------------------------------",
-        __FILE__,
-        __LINE__,
-      );
-      foreach (obj; contents) {
-        if (obj.use != "empty") {
-          writefln(
-            "[%s][%s]\n%s",
-            obj.obj_cite_number,
-            obj.is_a,
-            obj.text
-          );
+      debug(dumpdoc) {
+        writefln(
+          "%s\n%s:%s",
+          "-------------------------------",
+          __FILE__,
+          __LINE__,
+        );
+        foreach (obj; contents) {
+          if (obj.use != "empty") {
+            writefln(
+              "[%s][%s]\n%s",
+              obj.obj_cite_number,
+              obj.is_a,
+              obj.text
+            );
+          }
         }
       }
-    }
-    void out_segnames(S,T)(
-      auto ref const S         contents,
-      auto ref T               doc_matters,
-    ) {
-      foreach (key; doc_matters.keys_seq_seg) {
+      debug(section_head) {
+        key="head";
         if (contents[key].length > 1) {
           foreach (obj; contents[key]) {
-            if (obj.heading_lev_markup == 4) {
-              writeln(obj.ptr_html_segnames, ". (", doc_matters.segnames[obj.ptr_html_segnames], ") -> ",  obj.text);
-            }
+            writefln(
+              "[%s][%s]\n%s",
+              obj.obj_cite_number,
+              obj.is_a,
+              obj.text
+            );
           }
         }
       }
-    }
-    void out_toc(S)(
-      auto ref const S         contents,
-      string                   key,
-    ) {
-      if (contents[key].length > 1) {
-        string indent_spaces;
-        foreach (obj; contents[key]) {
-          indent_spaces=markup.indent_by_spaces_provided(obj.indent_hang);
-          writefln(
-            "%s%s",
-            indent_spaces,
-            obj.text
-          );
-        }
+      debug(section_toc) {
+        key="toc_seg";
+        out_toc(contents, key);
       }
-    }
-    void out_endnotes(S)(
-      auto ref const S         contents,
-      string                   key,
-    ) {
-      if (contents[key].length > 1) {
-        foreach (obj; contents[key]) {
-          writefln(
-            "[%s]\n%s",
-            obj.is_a,
-            obj.text
-          );
-        }
+      debug(section_toc_seg) {
+        key="toc_seg";
+        out_toc(contents, key);
       }
-    }
-    void out_bookindex(S)(
-      auto ref const S         contents,
-      string                   key,
-    ) {
-      if (contents[key].length > 1) {
-        foreach (obj; contents[key]) {
-          writefln(
-            "[%s][%s]\n%s",
-            obj.obj_cite_number,
-            obj.is_a,
-            obj.text
-          );
-        }
+      debug(section_toc_scroll) {
+        key="toc_scroll";
+        out_toc(contents, key);
       }
-    }
-    debug(section_head) {
-      key="head";
-      if (contents[key].length > 1) {
-        foreach (obj; contents[key]) {
-          writefln(
-            "[%s][%s]\n%s",
-            obj.obj_cite_number,
-            obj.is_a,
-            obj.text
-          );
-        }
+      debug(segnames) {
+        writeln(__LINE__);
+        out_segnames(contents, doc_matters);
       }
-    }
-    debug(section_toc) {
-      key="toc_seg";
-      out_toc(contents, key);
-    }
-    debug(section_toc_seg) {
-      key="toc_seg";
-      out_toc(contents, key);
-    }
-    debug(section_toc_scroll) {
-      key="toc_scroll";
-      out_toc(contents, key);
-    }
-    debug(segnames) {
-      writeln(__LINE__);
-      out_segnames(contents, doc_matters);
-    }
-    debug(section_body) {
-      key="body";
-      if (contents[key].length > 1) {
-        foreach (obj; contents[key]) {
-          writefln(
-            "[%s][%s]\n%s",
-            obj.obj_cite_number,
-            obj.is_a,
-            obj.text
-          );
+      debug(section_body) {
+        key="body";
+        if (contents[key].length > 1) {
+          foreach (obj; contents[key]) {
+            writefln(
+              "[%s][%s]\n%s",
+              obj.obj_cite_number,
+              obj.is_a,
+              obj.text
+            );
+          }
         }
       }
-    }
-    debug(dom) {
-      enum DomTags { none, open, close, close_and_open, open_still, }
-      foreach (sect; doc_matters.keys_seq_seg) {
-        foreach (obj; contents[sect]) {
-          if (obj.is_a == "heading") {
-            foreach_reverse (k; 0 .. 7) {
-              switch (obj.dom_markedup[k]) {
-              case DomTags.close :
-                writeln(markup.indent_by_spaces_provided(k), "</", k, ">");
-                break;
-              case DomTags.close_and_open :
-                writeln(markup.indent_by_spaces_provided(k), "</", k, ">");
-                writeln(markup.indent_by_spaces_provided(k), "<", k, ">", obj.text);
-                break;
-              case DomTags.open :
-                writeln(markup.indent_by_spaces_provided(k), "<", k, ">", obj.text);
-                break;
-              default :
-                break;
+      debug(dom) {
+        enum DomTags { none, open, close, close_and_open, open_still, }
+        foreach (sect; doc_matters.keys_seq_seg) {
+          foreach (obj; contents[sect]) {
+            if (obj.is_a == "heading") {
+              foreach_reverse (k; 0 .. 7) {
+                switch (obj.dom_markedup[k]) {
+                case DomTags.close :
+                  writeln(markup.indent_by_spaces_provided(k), "</", k, ">");
+                  break;
+                case DomTags.close_and_open :
+                  writeln(markup.indent_by_spaces_provided(k), "</", k, ">");
+                  writeln(markup.indent_by_spaces_provided(k), "<", k, ">", obj.text);
+                  break;
+                case DomTags.open :
+                  writeln(markup.indent_by_spaces_provided(k), "<", k, ">", obj.text);
+                  break;
+                default :
+                  break;
+                }
               }
             }
           }
         }
-      }
-      writeln("--------------------");
-      foreach (sect; doc_matters.keys_seq_seg) {
-        foreach (obj; contents[sect]) {
-          if (obj.is_a == "heading") {
-            foreach_reverse (k; 0 .. 7) {
-              switch (obj.dom_collapsed[k]) {
-              case DomTags.close :
-                writeln(markup.indent_by_spaces_provided(k), "</", k, ">");
-                break;
-              case DomTags.close_and_open :
-                writeln(markup.indent_by_spaces_provided(k), "</", k, ">");
-                writeln(markup.indent_by_spaces_provided(k), "<", k, ">", obj.text);
-                break;
-              case DomTags.open :
-                writeln(markup.indent_by_spaces_provided(k), "<", k, ">", obj.text);
-                break;
-              default :
-                break;
+        writeln("--------------------");
+        foreach (sect; doc_matters.keys_seq_seg) {
+          foreach (obj; contents[sect]) {
+            if (obj.is_a == "heading") {
+              foreach_reverse (k; 0 .. 7) {
+                switch (obj.dom_collapsed[k]) {
+                case DomTags.close :
+                  writeln(markup.indent_by_spaces_provided(k), "</", k, ">");
+                  break;
+                case DomTags.close_and_open :
+                  writeln(markup.indent_by_spaces_provided(k), "</", k, ">");
+                  writeln(markup.indent_by_spaces_provided(k), "<", k, ">", obj.text);
+                  break;
+                case DomTags.open :
+                  writeln(markup.indent_by_spaces_provided(k), "<", k, ">", obj.text);
+                  break;
+                default :
+                  break;
+                }
               }
             }
           }
         }
       }
-    }
-    debug(section_endnotes) {
-      key="endnotes";
-      out_endnotes(contents, key);
-    }
-    debug(section_endnotes_seg) {
-      key="endnotes";
-      out_endnotes(contents, key);
-    }
-    debug(section_glossary) {
-      key="glossary";
-      if (contents[key].length > 1) {
-        foreach (obj; contents[key]) {
-          writefln(
-            "[%s][%s]\n%s",
-            obj.obj_cite_number,
-            obj.is_a,
-            obj.text
-          );
+      debug(section_endnotes) {
+        key="endnotes";
+        out_endnotes(contents, key);
+      }
+      debug(section_endnotes_seg) {
+        key="endnotes";
+        out_endnotes(contents, key);
+      }
+      debug(section_glossary) {
+        key="glossary";
+        if (contents[key].length > 1) {
+          foreach (obj; contents[key]) {
+            writefln(
+              "[%s][%s]\n%s",
+              obj.obj_cite_number,
+              obj.is_a,
+              obj.text
+            );
+          }
         }
       }
-    }
-    debug(section_bibliography) {
-      key="bibliography";
-      if (contents[key].length > 1) {
-        foreach (obj; contents[key]) {
-          writefln(
-            "[%s][%s]\n%s",
-            obj.obj_cite_number,
-            obj.is_a,
-            obj.text
-          );
+      debug(section_bibliography) {
+        key="bibliography";
+        if (contents[key].length > 1) {
+          foreach (obj; contents[key]) {
+            writefln(
+              "[%s][%s]\n%s",
+              obj.obj_cite_number,
+              obj.is_a,
+              obj.text
+            );
+          }
         }
       }
-    }
-    debug(section_bookindex) {
-      key="bookindex_seg";
-      out_bookindex(contents, key);
-    }
-    debug(section_bookindex_seg) {
-      key="bookindex_seg";
-      out_bookindex(contents, key);
-    }
-    debug(section_bookindex_scroll) {
-      key="bookindex_scroll";
-      out_bookindex(contents, key);
-    }
-    debug(blurb_section) {
-      key="blurb";
-      if (contents[key].length > 1) {
-        foreach (obj; contents[key]) {
-          writefln(
-            "[%s][%s]\n%s",
-            obj.obj_cite_number,
-            obj.is_a,
-            obj.text
-          );
+      debug(section_bookindex) {
+        key="bookindex_seg";
+        out_bookindex(contents, key);
+      }
+      debug(section_bookindex_seg) {
+        key="bookindex_seg";
+        out_bookindex(contents, key);
+      }
+      debug(section_bookindex_scroll) {
+        key="bookindex_scroll";
+        out_bookindex(contents, key);
+      }
+      debug(blurb_section) {
+        key="blurb";
+        if (contents[key].length > 1) {
+          foreach (obj; contents[key]) {
+            writefln(
+              "[%s][%s]\n%s",
+              obj.obj_cite_number,
+              obj.is_a,
+              obj.text
+            );
+          }
         }
       }
-    }
-    debug(objects) {
-      writefln(
-        "%s\n%s:%s",
-        "-------------------------------",
-        __FILE__,
-        __LINE__,
-      );
-      foreach (obj; contents) {
-        if (obj.use != "empty") {
-          writefln(
-            "* [%s][%s] %s",
-            obj.obj_cite_number,
-            obj.is_a,
-            obj.text
-          );
+      debug(objects) {
+        writefln(
+          "%s\n%s:%s",
+          "-------------------------------",
+          __FILE__,
+          __LINE__,
+        );
+        foreach (obj; contents) {
+          if (obj.use != "empty") {
+            writefln(
+              "* [%s][%s] %s",
+              obj.obj_cite_number,
+              obj.is_a,
+              obj.text
+            );
+          }
         }
       }
-    }
-    debug(headermakejson) {
-      writefln(
-        "%s\n%s\n%s",
-        "document header, metadata & make instructions:",
-        doc_matters.dochead_meta,
-        ptr_head_main,
-      );
-      foreach (main_header; ptr_head_main) {
-        switch (main_header) {
-        case "make":
-          foreach (sub_header; ptr_head_sub_make) {
-            if (to!string(doc_matters.dochead_meta[main_header][sub_header]).length > 2) {
-              writefln(
-                "%s:%s: %s",
-                main_header,
-                sub_header,
-                doc_matters.dochead_meta[main_header][sub_header]
-              );
+      debug(headermakejson) {
+        writefln(
+          "%s\n%s\n%s",
+          "document header, metadata & make instructions:",
+          doc_matters.dochead_meta,
+          ptr_head_main,
+        );
+        foreach (main_header; ptr_head_main) {
+          switch (main_header) {
+          case "make":
+            foreach (sub_header; ptr_head_sub_make) {
+              if (to!string(doc_matters.dochead_meta[main_header][sub_header]).length > 2) {
+                writefln(
+                  "%s:%s: %s",
+                  main_header,
+                  sub_header,
+                  doc_matters.dochead_meta[main_header][sub_header]
+                );
+              }
             }
+            break;
+          default:
+            break;
           }
-          break;
-        default:
-          break;
         }
       }
-    }
-    debug(headermetadatajson) {
-      writefln(
-        "%s\n%s\n%s",
-        "document header, metadata & make instructions:",
-        doc_matters.dochead_meta,
-        ptr_head_main,
-      );
-      foreach (main_header; ptr_head_main) {
-        switch (main_header) {
-        case "creator":
-          foreach (sub_header; ptr_head_sub_creator) {
-            if (to!string(doc_matters.dochead_meta[main_header][sub_header]).length > 2) {
-              writefln(
-                "%s:%s: %s",
-                main_header,
-                sub_header,
-                doc_matters.dochead_meta[main_header][sub_header]
-              );
+      debug(headermetadatajson) {
+        writefln(
+          "%s\n%s\n%s",
+          "document header, metadata & make instructions:",
+          doc_matters.dochead_meta,
+          ptr_head_main,
+        );
+        foreach (main_header; ptr_head_main) {
+          switch (main_header) {
+          case "creator":
+            foreach (sub_header; ptr_head_sub_creator) {
+              if (to!string(doc_matters.dochead_meta[main_header][sub_header]).length > 2) {
+                writefln(
+                  "%s:%s: %s",
+                  main_header,
+                  sub_header,
+                  doc_matters.dochead_meta[main_header][sub_header]
+                );
+              }
             }
-          }
-          break;
-        case "title":
-          foreach (sub_header; ptr_head_sub_title) {
-            if (to!string(doc_matters.dochead_meta[main_header][sub_header]).length > 2) {
-              writefln(
-                "%s:%s: %s",
-                main_header,
-                sub_header,
-                doc_matters.dochead_meta[main_header][sub_header]
-              );
+            break;
+          case "title":
+            foreach (sub_header; ptr_head_sub_title) {
+              if (to!string(doc_matters.dochead_meta[main_header][sub_header]).length > 2) {
+                writefln(
+                  "%s:%s: %s",
+                  main_header,
+                  sub_header,
+                  doc_matters.dochead_meta[main_header][sub_header]
+                );
+              }
             }
-          }
-          break;
-        case "rights":
-          foreach (sub_header; ptr_head_sub_rights) {
-            if (to!string(doc_matters.dochead_meta[main_header][sub_header]).length > 2) {
-              writefln(
-                "%s:%s: %s",
-                main_header,
-                sub_header,
-                doc_matters.dochead_meta[main_header][sub_header]
-              );
+            break;
+          case "rights":
+            foreach (sub_header; ptr_head_sub_rights) {
+              if (to!string(doc_matters.dochead_meta[main_header][sub_header]).length > 2) {
+                writefln(
+                  "%s:%s: %s",
+                  main_header,
+                  sub_header,
+                  doc_matters.dochead_meta[main_header][sub_header]
+                );
+              }
             }
-          }
-          break;
-        case "date":
-          foreach (sub_header; ptr_head_sub_date) {
-            if (to!string(doc_matters.dochead_meta[main_header][sub_header]).length > 2) {
-              writefln(
-                "%s:%s: %s",
-                main_header,
-                sub_header,
-                doc_matters.dochead_meta[main_header][sub_header]
-              );
+            break;
+          case "date":
+            foreach (sub_header; ptr_head_sub_date) {
+              if (to!string(doc_matters.dochead_meta[main_header][sub_header]).length > 2) {
+                writefln(
+                  "%s:%s: %s",
+                  main_header,
+                  sub_header,
+                  doc_matters.dochead_meta[main_header][sub_header]
+                );
+              }
             }
-          }
-          break;
-        case "original":
-          foreach (sub_header; ptr_head_sub_original) {
-            if (to!string(doc_matters.dochead_meta[main_header][sub_header]).length > 2) {
-              writefln(
-                "%s:%s: %s",
-                main_header,
-                sub_header,
-                doc_matters.dochead_meta[main_header][sub_header]
-              );
+            break;
+          case "original":
+            foreach (sub_header; ptr_head_sub_original) {
+              if (to!string(doc_matters.dochead_meta[main_header][sub_header]).length > 2) {
+                writefln(
+                  "%s:%s: %s",
+                  main_header,
+                  sub_header,
+                  doc_matters.dochead_meta[main_header][sub_header]
+                );
+              }
             }
-          }
-          break;
-        case "classify":
-          foreach (sub_header; ptr_head_sub_classify) {
-            if (to!string(doc_matters.dochead_meta[main_header][sub_header]).length > 2) {
-              writefln(
-                "%s:%s: %s",
-                main_header,
-                sub_header,
-                doc_matters.dochead_meta[main_header][sub_header]
-              );
+            break;
+          case "classify":
+            foreach (sub_header; ptr_head_sub_classify) {
+              if (to!string(doc_matters.dochead_meta[main_header][sub_header]).length > 2) {
+                writefln(
+                  "%s:%s: %s",
+                  main_header,
+                  sub_header,
+                  doc_matters.dochead_meta[main_header][sub_header]
+                );
+              }
             }
-          }
-          break;
-        case "identifier":
-          foreach (sub_header; ptr_head_sub_identifier) {
-            if (to!string(doc_matters.dochead_meta[main_header][sub_header]).length > 2) {
-              writefln(
-                "%s:%s: %s",
-                main_header,
-                sub_header,
-                doc_matters.dochead_meta[main_header][sub_header]
-              );
+            break;
+          case "identifier":
+            foreach (sub_header; ptr_head_sub_identifier) {
+              if (to!string(doc_matters.dochead_meta[main_header][sub_header]).length > 2) {
+                writefln(
+                  "%s:%s: %s",
+                  main_header,
+                  sub_header,
+                  doc_matters.dochead_meta[main_header][sub_header]
+                );
+              }
             }
-          }
-          break;
-        case "notes":
-          foreach (sub_header; ptr_head_sub_notes) {
-            if (to!string(doc_matters.dochead_meta[main_header][sub_header]).length > 2) {
-              writefln(
-                "%s:%s: %s",
-                main_header,
-                sub_header,
-                doc_matters.dochead_meta[main_header][sub_header]
-              );
+            break;
+          case "notes":
+            foreach (sub_header; ptr_head_sub_notes) {
+              if (to!string(doc_matters.dochead_meta[main_header][sub_header]).length > 2) {
+                writefln(
+                  "%s:%s: %s",
+                  main_header,
+                  sub_header,
+                  doc_matters.dochead_meta[main_header][sub_header]
+                );
+              }
             }
-          }
-          break;
-        case "publisher":
-          foreach (sub_header; ptr_head_sub_publisher) {
-            if (to!string(doc_matters.dochead_meta[main_header][sub_header]).length > 2) {
-              writefln(
-                "%s:%s: %s",
-                main_header,
-                sub_header,
-                doc_matters.dochead_meta[main_header][sub_header]
-              );
+            break;
+          case "publisher":
+            foreach (sub_header; ptr_head_sub_publisher) {
+              if (to!string(doc_matters.dochead_meta[main_header][sub_header]).length > 2) {
+                writefln(
+                  "%s:%s: %s",
+                  main_header,
+                  sub_header,
+                  doc_matters.dochead_meta[main_header][sub_header]
+                );
+              }
             }
+            break;
+          default:
+            break;
           }
-          break;
-        default:
-          break;
         }
       }
-    }
-    debug(anchor) {
-      writefln(
-        "%s\n%s:%s",
-        "-------------------------------",
-        __FILE__,
-        __LINE__,
-      );
-      foreach (k; doc_matters.keys_seq_seg) {
-        foreach (obj; contents[k]) {
-          if (obj.is_a == "heading") {
-            writefln(
-              "%s~ [%s] %s %s",
-              obj.marked_up_level,
-              obj.obj_cite_number,
-              obj.anchor_tags,
-              // "[", obj["is"], "] ",
-              obj.text
-            );
-          }
-        }
-      }
-    }
-    debug(heading) {                         // heading
-      foreach (k; doc_matters.keys_seq_seg) {
-        foreach (o; contents[k]) {
-          if (o.is_a == "heading") {
-            writefln(
-              "%s* %s\n                (markup level: %s; collapsed level: %s)",
-              replicate("  ", o.heading_lev_markup),
-              strip(o.text),
-              o.heading_lev_markup,
-              o.heading_lev_collapsed,
-            );
-          }
-        }
-      }
-    }
-    debug(summary) {
-      string[string] check = [
-        "last_obj_cite_number" : "NA [debug \"checkdoc\" not run]",
-      ];
-      debug(headings) {
+      debug(anchor) {
         writefln(
           "%s\n%s:%s",
           "-------------------------------",
@@ -500,9 +399,10 @@ template SiSUdebugs() {
           foreach (obj; contents[k]) {
             if (obj.is_a == "heading") {
               writefln(
-                "%s~ [%s] %s",
+                "%s~ [%s] %s %s",
                 obj.marked_up_level,
                 obj.obj_cite_number,
+                obj.anchor_tags,
                 // "[", obj["is"], "] ",
                 obj.text
               );
@@ -510,179 +410,292 @@ template SiSUdebugs() {
           }
         }
       }
-      debug(checkdoc) {
+      debug(heading) {                         // heading
         foreach (k; doc_matters.keys_seq_seg) {
-          foreach (obj; contents[k]) {
-            if (obj.use != "empty") {
-              if (!empty(obj.obj_cite_number)) {
-                check["last_obj_cite_number"] = obj.obj_cite_number;
-              }
+          foreach (o; contents[k]) {
+            if (o.is_a == "heading") {
+              writefln(
+                "%s* %s\n                (markup level: %s; collapsed level: %s)",
+                replicate("  ", o.heading_lev_markup),
+                strip(o.text),
+                o.heading_lev_markup,
+                o.heading_lev_collapsed,
+              );
             }
           }
         }
       }
-      writefln(
-        "%s\n\"%s\", %s\n%s\n%s\n%s%10d\n%s%10d\n%s%10d\n%s%10d\n%s%10d\n%s%10d\n%s%10d\n%s%10d\n(%s: %s)",
-        "---------------------------------",
-        doc_matters.dochead_meta["title"]["full"],
-        doc_matters.dochead_meta["creator"]["author"],
-        doc_matters.source_filename,
-        "---------------------------------",
-        "length toc array:      ",
-        to!int(contents["toc_seg"].length),
-        "length contents array: ",
-        to!int(contents["body"].length),
-        "last obj_cite_number:  ",
-        to!int(check["last_obj_cite_number"]),
-        "length endnotes:       ",
-        (contents["endnotes"].length > 1)
-        ? (to!int(contents["endnotes"].length))
-        : 0,
-        "length glossary:       ",
-        (contents["glossary"].length > 1)
-        ? (to!int(contents["glossary"].length))
-        : 0,
-        "length biblio:         ",
-        (contents["bibliography"].length > 1)
-        ? (to!int(contents["bibliography"].length))
-        : 0,
-        "length bookindex:      ",
-        (contents["bookindex_seg"].length > 1)
-        ? (to!int(contents["bookindex_seg"].length))
-        : 0,
-        "length blurb:          ",
-        (contents["blurb"].length > 1)
-        ? (to!int(contents["blurb"].length))
-        : 0,
-        __FILE__,
-        __LINE__,
-      );
+      debug(summary) {
+        string[string] check = [
+          "last_obj_cite_number" : "NA [debug \"checkdoc\" not run]",
+        ];
       debug(checkdoc) {
-        if (auto mfn=match(doc_matters.source_filename, rgx.src_fn)) {
-          if (doc_matters.opt_action_bool["assertions"]) {
-            switch (mfn.captures[2]) {
-            // live manual:
-            case "live-manual.ssm":
-              assert(check["last_obj_cite_number"] ==
-                "1019","last obj_cite_number should be: 1019 (check test, document is frequently updated)"); // ok
-              break;
-            // sisu_markup:
-            case "sisu_markup.sst":
-              assert(check["last_obj_cite_number"] ==
-                "297","last obj_cite_number expected to be: 297 rather than " ~ check["last_obj_cite_number"]); // ok
-              // assert(check["last_obj_cite_number"] == "297","last obj_cite_number expected to be: 297 rather than " ~ check["last_obj_cite_number"]);
-              // notes for first divergance study sisu headings 247 250
-              // sisu has issue with code that contains heading 1~ which results in no obj_cite_number! ??
-              // sisu currently has incorrect last body obj_cite_number of 294!
-              // bug in sisu? attend
-              break;
-            // sisu-markup-samples:
-            case "accelerando.charles_stross.sst":
-              assert(check["last_obj_cite_number"] ==
-                "2861","last obj_cite_number expected to be: 2861 rather than " ~ check["last_obj_cite_number"]); // ok
-              break;
-            case "alices_adventures_in_wonderland.lewis_carroll.sst":
-              assert(check["last_obj_cite_number"] ==
-                "805","last obj_cite_number expected to be: 805 rather than " ~ check["last_obj_cite_number"]); // 808
-              break;
-            case "autonomy_markup0.sst":
-              assert(check["last_obj_cite_number"] ==
-                "77","last obj_cite_number expected to be: 77 rather than " ~ check["last_obj_cite_number"]); // ok endnotes
-              // assert(check["last_obj_cite_number"] == "78","last obj_cite_number expected to be: 78 rather than " ~ check["last_obj_cite_number"]);
-              break;
-            case "content.cory_doctorow.sst":
-              assert(check["last_obj_cite_number"] ==
-                "953","last obj_cite_number expected to be: 953 rather than " ~ check["last_obj_cite_number"]); // 1007 way off, check obj_cite_number off switches
-              // assert(check["last_obj_cite_number"] == "953","last obj_cite_number expected to be: 953 rather than " ~ check["last_obj_cite_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_obj_cite_number"] ==
-                "905","last obj_cite_number expected to be: 905 rather than " ~ check["last_obj_cite_number"]); // 911
-              break;
-            case "down_and_out_in_the_magic_kingdom.cory_doctorow.sst":
-              assert(check["last_obj_cite_number"] ==
-                "1417","last obj_cite_number expected to be: 1417 rather than " ~ check["last_obj_cite_number"]); // 1455 check obj_cite_number off switches
-              break;
-            case "for_the_win.cory_doctorow.sst":
-              assert(check["last_obj_cite_number"] ==
-                "3510","last obj_cite_number expected to be: 3510 rather than " ~ check["last_obj_cite_number"]); // 3569 check obj_cite_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_obj_cite_number"] ==
-                "1082","last obj_cite_number expected to be: 1082 rather than " ~ check["last_obj_cite_number"]); // check 1079 too few
-              break;
-            case "free_culture.lawrence_lessig.sst":
-              assert(check["last_obj_cite_number"] ==
-                "1330","last obj_cite_number expected to be: 1330 rather than " ~ check["last_obj_cite_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_obj_cite_number"] ==
-                "1559","last obj_cite_number expected to be: 1559 rather than " ~ check["last_obj_cite_number"]); // 1560, check obj_cite_number off switches, has endnotes so 2 too many
-              // assert(check["last_obj_cite_number"] == "1559","last obj_cite_number expected to be: 1559 rather than " ~ check["last_obj_cite_number"]);
-              break;
-            case "gpl2.fsf.sst":
-              assert(check["last_obj_cite_number"] ==
-                "65","last obj_cite_number expected to be: 65 rather than " ~ check["last_obj_cite_number"]); // ok endnotes? check
-              // assert(check["last_obj_cite_number"] == "66","last obj_cite_number expected to be: 66 rather than " ~ check["last_obj_cite_number"]);
-              break;
-            case "gpl3.fsf.sst":
-              assert(check["last_obj_cite_number"] ==
-                "123","last obj_cite_number expected to be: 123 rather than " ~ check["last_obj_cite_number"]); // ok
-              break;
-            case "gullivers_travels.jonathan_swift.sst":
-              assert(check["last_obj_cite_number"] ==
-                "668","last obj_cite_number expected to be: 668 rather than " ~ check["last_obj_cite_number"]); // 674
-              break;
-            case "little_brother.cory_doctorow.sst":
-              assert(check["last_obj_cite_number"] ==
-                "3130","last obj_cite_number expected to be: 3130 rather than " ~ check["last_obj_cite_number"]); // 3204, check obj_cite_number off switches
-              break;
-            case "the_cathedral_and_the_bazaar.eric_s_raymond.sst":
-              assert(check["last_obj_cite_number"] ==
-                "258","last obj_cite_number expected to be: 258 rather than " ~ check["last_obj_cite_number"]); // ok
-              break;
-            case "the_public_domain.james_boyle.sst":
-              assert(check["last_obj_cite_number"] ==
-                "970","last obj_cite_number expected to be: 970 rather than " ~ check["last_obj_cite_number"]); // 978
-              break;
-            case "the_wealth_of_networks.yochai_benkler.sst": // endnotes, bookindex
-              assert(check["last_obj_cite_number"] ==
-                "829","last obj_cite_number expected to be: 829 rather than " ~ check["last_obj_cite_number"]); // ok
-              // assert(check["last_obj_cite_number"] == "832","last obj_cite_number expected to be: 832 rather than " ~ check["last_obj_cite_number"]);
-              // has endnotes and bookindex, issue with sisu.rb
-              break;
-            case "through_the_looking_glass.lewis_carroll.sst":
-              assert(check["last_obj_cite_number"] ==
-                "949","last obj_cite_number expected to be: 949 rather than " ~ check["last_obj_cite_number"]); // 955
-              break;
-            case "two_bits.christopher_kelty.sst": // endnotes, bookindex, biblio
-              assert(check["last_obj_cite_number"] ==
-                "1190","last obj_cite_number expected to be: 1190 rather than " ~ check["last_obj_cite_number"]); // 1191
-              // assert(check["last_obj_cite_number"] == "1193","last obj_cite_number expected to be: 1193 rather than " ~ check["last_obj_cite_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_obj_cite_number"] ==
-                "377","last obj_cite_number expected to be: 377 rather than " ~ check["last_obj_cite_number"]); // ok
-              break;
-            case "viral_spiral.david_bollier.sst": // endnotes, bookindex
-              assert(check["last_obj_cite_number"] ==
-                "1078","last obj_cite_number expected to be: 1078 rather than " ~ check["last_obj_cite_number"]); // 1100
-              // fixed ERROR! range violation!
-              // error in bookindex ... (ch7 ... building the cc machine, an extra semi colon)
-              break;
-            default:
-              writeln(doc_matters.source_filename);
-              break;
+        if ((doc_matters.opt_action_bool["debug"])) {
+          debug(headings) {
+            writefln(
+              "%s\n%s:%s",
+              "-------------------------------",
+              __FILE__,
+              __LINE__,
+            );
+            foreach (k; doc_matters.keys_seq_seg) {
+              foreach (obj; contents[k]) {
+                if (obj.is_a == "heading") {
+                  writefln(
+                    "%s~ [%s] %s",
+                    obj.marked_up_level,
+                    obj.obj_cite_number,
+                    // "[", obj["is"], "] ",
+                    obj.text
+                  );
+                }
+              }
+            }
+          }
+          debug(checkdoc) {
+            if (auto mfn=match(doc_matters.source_filename, rgx.src_fn)) {
+              if (doc_matters.opt_action_bool["assertions"]) {
+                switch (mfn.captures[2]) {
+                // live manual:
+                case "live-manual.ssm":
+                  assert(check["last_obj_cite_number"] ==
+                    "1019","last obj_cite_number should be: 1019 (check test, document is frequently updated)"); // ok
+                  break;
+                // sisu_markup:
+                case "sisu_markup.sst":
+                  assert(check["last_obj_cite_number"] ==
+                    "297","last obj_cite_number expected to be: 297 rather than " ~ check["last_obj_cite_number"]); // ok
+                  // assert(check["last_obj_cite_number"] == "297","last obj_cite_number expected to be: 297 rather than " ~ check["last_obj_cite_number"]);
+                  // notes for first divergance study sisu headings 247 250
+                  // sisu has issue with code that contains heading 1~ which results in no obj_cite_number! ??
+                  // sisu currently has incorrect last body obj_cite_number of 294!
+                  // bug in sisu? attend
+                  break;
+                // sisu-markup-samples:
+                case "accelerando.charles_stross.sst":
+                  assert(check["last_obj_cite_number"] ==
+                    "2861","last obj_cite_number expected to be: 2861 rather than " ~ check["last_obj_cite_number"]); // ok
+                  break;
+                case "alices_adventures_in_wonderland.lewis_carroll.sst":
+                  assert(check["last_obj_cite_number"] ==
+                    "805","last obj_cite_number expected to be: 805 rather than " ~ check["last_obj_cite_number"]); // 808
+                  break;
+                case "autonomy_markup0.sst":
+                  assert(check["last_obj_cite_number"] ==
+                    "77","last obj_cite_number expected to be: 77 rather than " ~ check["last_obj_cite_number"]); // ok endnotes
+                  // assert(check["last_obj_cite_number"] == "78","last obj_cite_number expected to be: 78 rather than " ~ check["last_obj_cite_number"]);
+                  break;
+                case "content.cory_doctorow.sst":
+                  assert(check["last_obj_cite_number"] ==
+                    "953","last obj_cite_number expected to be: 953 rather than " ~ check["last_obj_cite_number"]); // 1007 way off, check obj_cite_number off switches
+                  // assert(check["last_obj_cite_number"] == "953","last obj_cite_number expected to be: 953 rather than " ~ check["last_obj_cite_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_obj_cite_number"] ==
+                    "905","last obj_cite_number expected to be: 905 rather than " ~ check["last_obj_cite_number"]); // 911
+                  break;
+                case "down_and_out_in_the_magic_kingdom.cory_doctorow.sst":
+                  assert(check["last_obj_cite_number"] ==
+                    "1417","last obj_cite_number expected to be: 1417 rather than " ~ check["last_obj_cite_number"]); // 1455 check obj_cite_number off switches
+                  break;
+                case "for_the_win.cory_doctorow.sst":
+                  assert(check["last_obj_cite_number"] ==
+                    "3510","last obj_cite_number expected to be: 3510 rather than " ~ check["last_obj_cite_number"]); // 3569 check obj_cite_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_obj_cite_number"] ==
+                    "1082","last obj_cite_number expected to be: 1082 rather than " ~ check["last_obj_cite_number"]); // check 1079 too few
+                  break;
+                case "free_culture.lawrence_lessig.sst":
+                  assert(check["last_obj_cite_number"] ==
+                    "1330","last obj_cite_number expected to be: 1330 rather than " ~ check["last_obj_cite_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_obj_cite_number"] ==
+                    "1559","last obj_cite_number expected to be: 1559 rather than " ~ check["last_obj_cite_number"]); // 1560, check obj_cite_number off switches, has endnotes so 2 too many
+                  // assert(check["last_obj_cite_number"] == "1559","last obj_cite_number expected to be: 1559 rather than " ~ check["last_obj_cite_number"]);
+                  break;
+                case "gpl2.fsf.sst":
+                  assert(check["last_obj_cite_number"] ==
+                    "65","last obj_cite_number expected to be: 65 rather than " ~ check["last_obj_cite_number"]); // ok endnotes? check
+                  // assert(check["last_obj_cite_number"] == "66","last obj_cite_number expected to be: 66 rather than " ~ check["last_obj_cite_number"]);
+                  break;
+                case "gpl3.fsf.sst":
+                  assert(check["last_obj_cite_number"] ==
+                    "123","last obj_cite_number expected to be: 123 rather than " ~ check["last_obj_cite_number"]); // ok
+                  break;
+                case "gullivers_travels.jonathan_swift.sst":
+                  assert(check["last_obj_cite_number"] ==
+                    "668","last obj_cite_number expected to be: 668 rather than " ~ check["last_obj_cite_number"]); // 674
+                  break;
+                case "little_brother.cory_doctorow.sst":
+                  assert(check["last_obj_cite_number"] ==
+                    "3130","last obj_cite_number expected to be: 3130 rather than " ~ check["last_obj_cite_number"]); // 3204, check obj_cite_number off switches
+                  break;
+                case "the_cathedral_and_the_bazaar.eric_s_raymond.sst":
+                  assert(check["last_obj_cite_number"] ==
+                    "258","last obj_cite_number expected to be: 258 rather than " ~ check["last_obj_cite_number"]); // ok
+                  break;
+                case "the_public_domain.james_boyle.sst":
+                  assert(check["last_obj_cite_number"] ==
+                    "970","last obj_cite_number expected to be: 970 rather than " ~ check["last_obj_cite_number"]); // 978
+                  break;
+                case "the_wealth_of_networks.yochai_benkler.sst": // endnotes, bookindex
+                  assert(check["last_obj_cite_number"] ==
+                    "829","last obj_cite_number expected to be: 829 rather than " ~ check["last_obj_cite_number"]); // ok
+                  // assert(check["last_obj_cite_number"] == "832","last obj_cite_number expected to be: 832 rather than " ~ check["last_obj_cite_number"]);
+                  // has endnotes and bookindex, issue with sisu.rb
+                  break;
+                case "through_the_looking_glass.lewis_carroll.sst":
+                  assert(check["last_obj_cite_number"] ==
+                    "949","last obj_cite_number expected to be: 949 rather than " ~ check["last_obj_cite_number"]); // 955
+                  break;
+                case "two_bits.christopher_kelty.sst": // endnotes, bookindex, biblio
+                  assert(check["last_obj_cite_number"] ==
+                    "1190","last obj_cite_number expected to be: 1190 rather than " ~ check["last_obj_cite_number"]); // 1191
+                  // assert(check["last_obj_cite_number"] == "1193","last obj_cite_number expected to be: 1193 rather than " ~ check["last_obj_cite_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_obj_cite_number"] ==
+                    "377","last obj_cite_number expected to be: 377 rather than " ~ check["last_obj_cite_number"]); // ok
+                  break;
+                case "viral_spiral.david_bollier.sst": // endnotes, bookindex
+                  assert(check["last_obj_cite_number"] ==
+                    "1078","last obj_cite_number expected to be: 1078 rather than " ~ check["last_obj_cite_number"]); // 1100
+                  // fixed ERROR! range violation!
+                  // error in bookindex ... (ch7 ... building the cc machine, an extra semi colon)
+                  break;
+                default:
+                  writeln(doc_matters.source_filename);
+                  break;
+                }
+              }
             }
           }
         }
+        debug(checkdoc) {
+          void out_segnames(S,T)(
+            auto ref const S         contents,
+            auto ref T               doc_matters,
+          ) {
+            foreach (key; doc_matters.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.segnames[obj.ptr_html_segnames], ") -> ",  obj.text);
+                  }
+                }
+              }
+            }
+          }
+        }
+        debug(checkdoc) {
+          void out_toc(S)(
+            auto ref const S         contents,
+            string                   key,
+          ) {
+            if (contents[key].length > 1) {
+              string indent_spaces;
+              foreach (obj; contents[key]) {
+                indent_spaces=markup.indent_by_spaces_provided(obj.indent_hang);
+                writefln(
+                  "%s%s",
+                  indent_spaces,
+                  obj.text
+                );
+              }
+            }
+          }
+        }
+        debug(checkdoc) {
+          void out_endnotes(S)(
+            auto ref const S         contents,
+            string                   key,
+          ) {
+            if (contents[key].length > 1) {
+              foreach (obj; contents[key]) {
+                writefln(
+                  "[%s]\n%s",
+                  obj.is_a,
+                  obj.text
+                );
+              }
+            }
+          }
+        }
+        debug(checkdoc) {
+          void out_bookindex(S)(
+            auto ref const S         contents,
+            string                   key,
+          ) {
+            if (contents[key].length > 1) {
+              foreach (obj; contents[key]) {
+                writefln(
+                  "[%s][%s]\n%s",
+                  obj.obj_cite_number,
+                  obj.is_a,
+                  obj.text
+                );
+              }
+            }
+          }
+        }
+      }
+      if ((doc_matters.opt_action_bool["verbose"])) {
+        if ((doc_matters.opt_action_bool["verbose"])) {
+          foreach (k; doc_matters.keys_seq_seg) {
+            foreach (obj; contents[k]) {
+              if (obj.use != "empty") {
+                if (!empty(obj.obj_cite_number)) {
+                  check["last_obj_cite_number"] = obj.obj_cite_number;
+                }
+              }
+            }
+          }
+        }
+        writefln(
+          "%s\n\"%s\", %s\n%s\n%s\n%s%10d\n%s%10d\n%s%10d\n%s%10d\n%s%10d\n%s%10d\n%s%10d\n%s%10d\n(%s: %s)",
+          "---------------------------------",
+          doc_matters.dochead_meta["title"]["full"],
+          doc_matters.dochead_meta["creator"]["author"],
+          doc_matters.source_filename,
+          "---------------------------------",
+          "length toc array:      ",
+          to!int(contents["toc_seg"].length),
+          "length contents array: ",
+          to!int(contents["body"].length),
+          "last obj_cite_number:  ",
+          to!int(check["last_obj_cite_number"]),
+          "length endnotes:       ",
+          (contents["endnotes"].length > 1)
+          ? (to!int(contents["endnotes"].length))
+          : 0,
+          "length glossary:       ",
+          (contents["glossary"].length > 1)
+          ? (to!int(contents["glossary"].length))
+          : 0,
+          "length biblio:         ",
+          (contents["bibliography"].length > 1)
+          ? (to!int(contents["bibliography"].length))
+          : 0,
+          "length bookindex:      ",
+          (contents["bookindex_seg"].length > 1)
+          ? (to!int(contents["bookindex_seg"].length))
+          : 0,
+          "length blurb:          ",
+          (contents["blurb"].length > 1)
+          ? (to!int(contents["blurb"].length))
+          : 0,
+          __FILE__,
+          __LINE__,
+        );
       }
     }
   }
diff --git a/src/sdp/ao_read_config_files.d b/src/sdp/ao_read_config_files.d
index 2e1bca6..51fd81b 100644
--- a/src/sdp/ao_read_config_files.d
+++ b/src/sdp/ao_read_config_files.d
@@ -96,7 +96,6 @@ template ConfigSDLang() {
   }
 }
 /+
-
 +/
 template ConfigHub() {
   private import
diff --git a/src/sdp/ao_read_source_files.d b/src/sdp/ao_read_source_files.d
index a6c0199..808457d 100644
--- a/src/sdp/ao_read_source_files.d
+++ b/src/sdp/ao_read_source_files.d
@@ -138,7 +138,7 @@ template SiSUmarkupRaw() {
     }
   }
   struct Inserts {
-    private import ao_defaults;    // ao_defaults.d
+    private import ao_defaults;
     auto scan_subdoc_source(
       char[][] markup_sourcefile_insert_content,
       string fn_src
diff --git a/src/sdp/output_epub.d b/src/sdp/output_epub.d
index cffa560..07b2cb9 100644
--- a/src/sdp/output_epub.d
+++ b/src/sdp/output_epub.d
@@ -118,12 +118,9 @@ template outputEPub() {
           foreach_reverse (k; 0 .. 7) {
             switch (obj.dom_markedup[k]) {
             case DomTags.close :
-              writeln(markup.indent_by_spaces_provided(k), "</", k, ">");
   toc ~= "</navPoint>";
               break;
             case DomTags.close_and_open :
-              writeln(markup.indent_by_spaces_provided(k), "</", k, ">");
-              writeln(markup.indent_by_spaces_provided(k), "<", k, ">", obj.text);
               ++counter;
   toc ~= "</navPoint>";
   toc ~= format(q"¶<navPoint class="chapter" id="navpoint" playOrder="%s">
@@ -137,7 +134,6 @@ template outputEPub() {
   );
               break;
             case DomTags.open :
-              writeln(markup.indent_by_spaces_provided(k), "<", k, ">", obj.text);
               ++counter;
   toc ~= format(q"¶<navPoint class="chapter" id="navpoint" playOrder="%s">
   <navLabel>
@@ -181,8 +177,6 @@ template outputEPub() {
       foreach (obj; contents[part]) {
         if (obj.is_a == "heading") {
           switch (obj.heading_lev_markup) {
-          // case 0:
-          //   break;
           case 0: .. case 3:
             /+ fill buffer, and replace with new levels from 1 to 3 +/
             switch (obj.heading_lev_markup) {
@@ -213,7 +207,6 @@ template outputEPub() {
             segment_filename = obj.segment_anchor_tag;
             doc_epub[segment_filename] ~= xhtml_format.seg_head(doc_matters.dochead_meta);
             foreach (top_level_heading; top_level_headings) {
-              // writeln(top_level_heading);
               doc_epub[segment_filename] ~= top_level_heading;
             }
             doc_epub[segment_filename] ~= xhtml_format.heading(obj);
@@ -231,7 +224,6 @@ template outputEPub() {
             switch (obj.is_a) {
             case "toc":
                 doc_epub[segment_filename] ~= xhtml_format.toc(obj);
-            //   doc_epub ~= xhtml_toc(obj);
             break;
             default:
               // writeln(__FILE__, ":", __LINE__, ": ", obj.is_a);
@@ -260,23 +252,18 @@ template outputEPub() {
               break;
             case "verse":
               doc_epub[segment_filename] ~= xhtml_format.nugget(obj);
-              // doc_epub ~= xhtml_verse(obj);
               break;
             case "group":
               doc_epub[segment_filename] ~= xhtml_format.nugget(obj);
-              // doc_epub ~= xhtml_group(obj);
               break;
             case "block":
               doc_epub[segment_filename] ~= xhtml_format.nugget(obj);
-              // doc_epub ~= xhtml_block(obj);
               break;
             case "quote":
               doc_epub[segment_filename] ~= xhtml_format.nugget(obj);
-              // doc_epub ~= xhtml_quote(obj);
               break;
             case "table":
               doc_epub[segment_filename] ~= xhtml_format.para(obj); //
-              // doc_epub ~= xhtml_table(obj);
               break;
             case "code":
               doc_epub[segment_filename] ~= xhtml_format.code(obj);
@@ -321,7 +308,6 @@ template outputEPub() {
         }
       }
     }
-    writeln(doc_matters.keys_seq_seg);
     epub_write_output_files(
       doc_matters,
       doc_epub,
@@ -348,7 +334,6 @@ template outputEPub() {
     }
     mixin SiSUpaths;
     auto pth_epub = EpubPaths();
-    // doc = xhtml_format.scroll_head ~ doc_epub ~  xhtml_format.tail;
     auto xhtml_format = outputXHTMLs();
     try {
       mkdirRecurse(pth_epub.doc_meta_inf(doc_matters.source_filename));
diff --git a/src/sdp/output_html.d b/src/sdp/output_html.d
index 384576b..fca6f1f 100644
--- a/src/sdp/output_html.d
+++ b/src/sdp/output_html.d
@@ -173,9 +173,7 @@ template outputHTML() {
     try {
       mkdirRecurse(pth_html.seg(doc_matters.source_filename));
       foreach (seg_filename; doc_matters.segnames) {
-        // writeln(__LINE__, ": ", fn);
         auto f = File(pth_html.fn_seg(doc_matters.source_filename, seg_filename), "w");
-        /+ // f.writeln(seg_head); // not needed built and inserted earlier +/
         foreach (docseg; doc_html[seg_filename]) {
           f.writeln(docseg);
         }
@@ -183,7 +181,7 @@ template outputHTML() {
       }
     }
     catch (ErrnoException ex) {
-      // Handle error
+      // handle error
     }
   }
   void seg(C,M)(
@@ -231,7 +229,6 @@ template outputHTML() {
             segment_filename = obj.segment_anchor_tag;
             doc_html[segment_filename] ~= xhtml_format.seg_head(doc_matters.dochead_meta); // consider placing seg_head here as can more easily populate it with lev4 info
             foreach (top_level_heading; top_level_headings) {
-              // writeln(top_level_heading);
               doc_html[segment_filename] ~= top_level_heading;
             }
             doc_html[segment_filename] ~= xhtml_format.heading(obj);
@@ -288,7 +285,7 @@ template outputHTML() {
               doc_html[segment_filename] ~= xhtml_format.nugget(obj);
               break;
             case "table":
-              doc_html[segment_filename] ~= xhtml_format.para(obj); //
+              doc_html[segment_filename] ~= xhtml_format.para(obj);
               break;
             case "code":
               doc_html[segment_filename] ~= xhtml_format.code(obj);
@@ -333,7 +330,6 @@ template outputHTML() {
         }
       }
     }
-    writeln(doc_matters.keys_seq_seg);
     seg_write_output_files(doc_matters, doc_html);
   }
   auto html_css() {
diff --git a/src/sdp/output_hub.d b/src/sdp/output_hub.d
index fe53bdb..2ec11fe 100644
--- a/src/sdp/output_hub.d
+++ b/src/sdp/output_hub.d
@@ -43,8 +43,6 @@ template outputHub() {
     if (doc_matters.opt_action_bool["text"]) {
       /+ mixin outputText; +/
       writeln("text processing");
-      // auto text=SDPoutput_text();
-      // text.scroll(contents, bookindex_unordered_hashes, biblio, dochead_make, dochead_meta, fn_src, opt_action_bool);
     }
     if (doc_matters.opt_action_bool["html"]) {
       outputHTML!().scroll(contents,doc_matters);