renaming

2 files changed, 429 insertions, 444 deletions

diff --git a/src/doc_reform/meta/defaults.d b/src/doc_reform/meta/defaults.d
index 8b6edad..e592be7 100644
--- a/src/doc_reform/meta/defaults.d
+++ b/src/doc_reform/meta/defaults.d
@@ -2,38 +2,6 @@
   default settings
 +/
 module doc_reform.meta.defaults;
-template spineDocStatus() {
-  @safe static auto status() {
-    struct _e {
-      enum sect {
-        unset,
-        head,
-        toc,
-        substantive,
-        bibliography,
-        glossary,
-        book_index,
-        blurb,
-      }
-      enum block {
-        off,
-        closing,
-        code,
-        poem,
-        block,
-        group,
-        table,
-        quote,
-      }
-      enum ocn {
-        on,    // 0 object_number;
-        off,   // 1 no object_number;
-        dummy, // 2 no object_number & dummy headings
-      }
-    }
-    return _e();
-  }
-}
 template spineRgxDocStructFlags() {
   /+ regex flags +/
   @safe static int[string] flags_type_init() {
diff --git a/src/doc_reform/meta/metadoc_from_src.d b/src/doc_reform/meta/metadoc_from_src.d
index 6aa1eb6..1ae2e01 100644
--- a/src/doc_reform/meta/metadoc_from_src.d
+++ b/src/doc_reform/meta/metadoc_from_src.d
@@ -21,6 +21,30 @@ template docAbstraction() {
   mixin ObjectSetter;
   mixin InternalMarkup;
   mixin spineRgxIn;
+  @safe static auto eN() {
+    struct _e {
+      enum bi {
+        off,
+        on,
+      }
+      enum tri {
+        off,
+        on,
+        closing,
+      }
+      enum sect {
+        unset,
+        head,
+        toc,
+        substantive,
+        bibliography,
+        glossary,
+        book_index,
+        blurb,
+      }
+    }
+    return _e();
+  }
                                                                                 /+ ↓ abstraction struct init +/
   /+ initialize +/
   ObjGenericComposite[] the_table_of_contents_section;
@@ -36,8 +60,6 @@ template docAbstraction() {
   string[string][string] tag_assoc;
   string[] lv0_to_3_tags;
   /+ enum +/
-  enum State { off, on }
-  enum TriState { off, on, closing }
   enum DocStructMarkupHeading {
     h_sect_A,
     h_sect_B,
@@ -50,7 +72,6 @@ template docAbstraction() {
     h_text_5, // extra level, drop
     content_non_header
   } // header section A-D; header text 1-4
-  enum Status { off, on, }
   enum OCNstatus { on, off, bkidx, closing, reset, }
   enum OCN_off_block_status { off, on }
   enum OCNtype { ocn, non, bkidx, }
@@ -356,7 +377,6 @@ template docAbstraction() {
       reset_note_numbers=true;
     }
     mixin spineRgxDocStructFlags;
-    mixin spineDocStatus;
     mixin spineNode;
     auto node_para_int_    = node_metadata_para_int;
     auto node_para_str_    = node_metadata_para_str;
@@ -380,7 +400,7 @@ template docAbstraction() {
       "images"            : 0,
     ];
     auto obj_type_status = flags_type_init;
-    int[string] track = [
+    int[string] track_state = [
       "section" : 0,
       "block"   : 0,
       "obj"     : 0,
@@ -392,26 +412,26 @@ template docAbstraction() {
     ];
     string[] lv_ancestors_txt = [ "", "", "", "", "", "", "", "", ];
     int[string] lv = [
-      "lv" : State.off,
-      "h0" : State.off,
-      "h1" : State.off,
-      "h2" : State.off,
-      "h3" : State.off,
-      "h4" : State.off,
-      "h5" : State.off,
-      "h6" : State.off,
-      "h7" : State.off,
+      "lv" : eN.bi.off,
+      "h0" : eN.bi.off,
+      "h1" : eN.bi.off,
+      "h2" : eN.bi.off,
+      "h3" : eN.bi.off,
+      "h4" : eN.bi.off,
+      "h5" : eN.bi.off,
+      "h6" : eN.bi.off,
+      "h7" : eN.bi.off,
       "lev_int_collapsed" : 0,
     ];
     int[string] collapsed_lev = [
-      "h0" : State.off,
-      "h1" : State.off,
-      "h2" : State.off,
-      "h3" : State.off,
-      "h4" : State.off,
-      "h5" : State.off,
-      "h6" : State.off,
-      "h7" : State.off
+      "h0" : eN.bi.off,
+      "h1" : eN.bi.off,
+      "h2" : eN.bi.off,
+      "h3" : eN.bi.off,
+      "h4" : eN.bi.off,
+      "h5" : eN.bi.off,
+      "h6" : eN.bi.off,
+      "h7" : eN.bi.off
     ];
     string[string] heading_match_str = [
       "h_A": "^(none)",
@@ -526,7 +546,7 @@ template docAbstraction() {
       if (!line.empty) {
         obj_type_status = line._check_ocn_status_(obj_type_status);
       }
-      if (obj_type_status["code"] == TriState.on) {
+      if (obj_type_status["code"] == eN.tri.on) {
         /+ block object: code +/
         line.flow_txt_block_code(an_object, obj_type_status);
         continue;
@@ -535,15 +555,15 @@ template docAbstraction() {
                                                                                 /+ heading, glossary, blurb, poem, group, block, quote, table +/
         line = line.inline_markup_faces; // by text line (rather than by text object), linebreaks in para problematic
         if (line.matchFirst(rgx.heading_biblio)
-        || (track["section"] == status.sect.bibliography
+        || (track_state["section"] == eN.sect.bibliography
           && ((!(line.matchFirst(rgx.heading_glossary)))
           && (!(line.matchFirst(rgx.heading_blurb)))
           && (!(line.matchFirst(rgx.heading)))
           && (!(line.matchFirst(rgx.comment)))))
         ) {
-          track["section"] = status.sect.bibliography;
+          track_state["section"] = eN.sect.bibliography;
           if (opt_action.backmatter && opt_action.section_biblio) {
-            line.flow_txt_block_biblio(obj_type_status, bib_entry, biblio_entry_str_json, biblio_arr_json, track);
+            line.flow_txt_block_biblio(obj_type_status, bib_entry, biblio_entry_str_json, biblio_arr_json, track_state);
             debug(bibliobuild) {
               writeln("-  ", biblio_entry_str_json);
               writeln("-> ", biblio_arr_json.length);
@@ -551,7 +571,7 @@ template docAbstraction() {
           }
           continue;
         } else if (line.matchFirst(rgx.heading_glossary)
-        || (track["section"] == status.sect.glossary
+        || (track_state["section"] == eN.sect.glossary
           && ((!(line.matchFirst(rgx.heading_biblio)))
           && (!(line.matchFirst(rgx.heading_blurb)))
           && (!(line.matchFirst(rgx.heading)))
@@ -562,15 +582,15 @@ template docAbstraction() {
             writeln(__LINE__);
             writeln(line);
           }
-          track["section"] = status.sect.glossary;
+          track_state["section"] = eN.sect.glossary;
           if (opt_action.backmatter && opt_action.section_glossary) {
             indent=[
               "hang_position" : 0,
               "base_position" : 0,
             ];
             bullet = false;
-            obj_type_status["para"] = State.on;
-            line_occur["para"] = State.off;
+            obj_type_status["para"] = eN.bi.on;
+            line_occur["para"] = eN.bi.off;
             an_object_key="glossary_nugget"; //
             if (line.matchFirst(rgx.heading_glossary)) {
               {
@@ -646,13 +666,13 @@ template docAbstraction() {
           }
           continue;
         } else if (line.matchFirst(rgx.heading_blurb)
-        || (track["section"] == status.sect.blurb
+        || (track_state["section"] == eN.sect.blurb
           && ((!(line.matchFirst(rgx.heading_glossary)))
           && (!(line.matchFirst(rgx.heading_biblio)))
           && (!(line.matchFirst(rgx.heading)))
           && (!(line.matchFirst(rgx.comment)))))
         ) {
-          track["section"] = status.sect.blurb;
+          track_state["section"] = eN.sect.blurb;
           debug(blurb) {
             writeln(__LINE__);
             writeln(line);
@@ -692,8 +712,8 @@ template docAbstraction() {
               ];
               bullet = true;
             }
-            obj_type_status["para"] = State.on;
-            line_occur["para"] = State.off;
+            obj_type_status["para"] = eN.bi.on;
+            line_occur["para"] = eN.bi.off;
             an_object_key="blurb_nugget";
             if (line.matchFirst(rgx.heading_blurb)) {
               {
@@ -792,21 +812,21 @@ template docAbstraction() {
             obj_type_status["ocn_status"] = OCNstatus.on;
           }
           continue;
-        } else if (obj_type_status["quote"] == TriState.on) {                          /+ within block object: quote +/
+        } else if (obj_type_status["quote"] == eN.tri.on) {                          /+ within block object: quote +/
           line = line
             ._doc_header_and_make_substitutions_(conf_make_meta)
             ._doc_header_and_make_substitutions_fontface_(conf_make_meta);
           an_object = line.flow_txt_block_quote(an_object, obj_type_status);
           continue;
         /+ within block object: group +/
-        } else if (obj_type_status["group"] == TriState.on) {                          /+ within block object: group +/
+        } else if (obj_type_status["group"] == eN.tri.on) {                          /+ within block object: group +/
           line = line
             ._doc_header_and_make_substitutions_(conf_make_meta)
             ._doc_header_and_make_substitutions_fontface_(conf_make_meta)
             .replaceAll(rgx.para_delimiter, mkup.br_paragraph ~ "$1");
           an_object = line.flow_txt_block_group(an_object, obj_type_status);
           continue;
-        } else if (obj_type_status["block"] == TriState.on) {                          /+ within block object: block +/
+        } else if (obj_type_status["block"] == eN.tri.on) {                          /+ within block object: block +/
           line = line
             ._doc_header_and_make_substitutions_(conf_make_meta)
             ._doc_header_and_make_substitutions_fontface_(conf_make_meta);
@@ -816,16 +836,16 @@ template docAbstraction() {
           }
           an_object = line.flow_txt_block_block(an_object, obj_type_status);
           continue;
-        } else if (obj_type_status["poem"] == TriState.on) {                           /+ within block object: poem +/
+        } else if (obj_type_status["poem"] == eN.tri.on) {                           /+ within block object: poem +/
           an_object = line.flow_txt_block_poem(an_object, obj_type_status, cntr, object_number_poem, conf_make_meta, tag_in_seg);
           continue;
-        } else if (obj_type_status["table"] == TriState.on) {                          /+ within block object: table +/
+        } else if (obj_type_status["table"] == eN.tri.on) {                          /+ within block object: table +/
           an_object = line.flow_txt_block_table(an_object, obj_type_status, conf_make_meta);
           continue;
         } else {                                                                /+ not within a block group +/
           assert(
-            (obj_type_status["blocks"] == TriState.off)
-            || (obj_type_status["blocks"] == TriState.closing),
+            (obj_type_status["blocks"] == eN.tri.off)
+            || (obj_type_status["blocks"] == eN.tri.closing),
             "block status: none or closed"
           );
           assertions_flag_types_block_status_none_or_closed(obj_type_status);
@@ -844,11 +864,11 @@ template docAbstraction() {
               "line tested, line not empty surely:\n  \"" ~ line ~ "\""
             );
             assert(
-              (obj_type_status["blocks"] == TriState.off)
-              || (obj_type_status["blocks"] == TriState.closing),
+              (obj_type_status["blocks"] == eN.tri.off)
+              || (obj_type_status["blocks"] == eN.tri.closing),
               "code block status: none or closed"
             );
-            if (obj_type_status["blocks"] == TriState.closing) {
+            if (obj_type_status["blocks"] == eN.tri.closing) {
               debug(check) {
                 writeln(__LINE__);
                 writeln(line);
@@ -856,15 +876,15 @@ template docAbstraction() {
               assert(
                 line.matchFirst(rgx.book_index_item)
                 || line.matchFirst(rgx.book_index_item_open)
-                || track["section"] == status.sect.book_index,
+                || track_state["section"] == eN.sect.book_index,
                 "\nblocks closed, unless followed by book index, non-matching line:\n  \""
                 ~ line ~ "\""
               );
             }
             if (line.matchFirst(rgx.book_index_item)
             || line.matchFirst(rgx.book_index_item_open)
-            || track["section"] == status.sect.book_index)  {                              /+ book_index +/
-              an_object = line.flow_book_index_(an_object, book_idx_tmp, obj_type_status, track, opt_action);
+            || track_state["section"] == eN.sect.book_index)  {                              /+ book_index +/
+              an_object = line.flow_book_index_(an_object, book_idx_tmp, obj_type_status, track_state, opt_action);
             } else {                                                                       /+ not book_index +/
               an_object_key="body_nugget";
               if (auto m = line.matchFirst(rgx.comment)) {                                 /+ matched comment +/
@@ -882,19 +902,19 @@ template docAbstraction() {
                 flow_common_reset_(line_occur, an_object, obj_type_status);
                 processing.remove("verse");
                 ++cntr;
-              } else if (((line_occur["para"] == State.off)
-              && (line_occur["heading"] == State.off))
-              && ((obj_type_status["para"] == State.off)
-              && (obj_type_status["heading"] == State.off))) {                             /+ heading or para but neither flag nor line exists +/
+              } else if (((line_occur["para"] == eN.bi.off)
+              && (line_occur["heading"] == eN.bi.off))
+              && ((obj_type_status["para"] == eN.bi.off)
+              && (obj_type_status["heading"] == eN.bi.off))) {                             /+ heading or para but neither flag nor line exists +/
                 if ((conf_make_meta.make.headings.length > 2)
-                && (obj_type_status["make_headings"] == State.off)) {                      /+ heading found +/
+                && (obj_type_status["make_headings"] == eN.bi.off)) {                      /+ heading found +/
                   heading_match_str = line.flow_heading_found_(heading_match_str, conf_make_meta.make.headings, heading_match_rgx, obj_type_status);
                 }
-                if ((obj_type_status["make_headings"] == State.on)
-                && ((line_occur["para"] == State.off)
-                && (line_occur["heading"] == State.off))
-                && ((obj_type_status["para"] == State.off)
-                && (obj_type_status["heading"] == State.off))) {                           /+ heading make set +/
+                if ((obj_type_status["make_headings"] == eN.bi.on)
+                && ((line_occur["para"] == eN.bi.off)
+                && (line_occur["heading"] == eN.bi.off))
+                && ((obj_type_status["para"] == eN.bi.off)
+                && (obj_type_status["heading"] == eN.bi.off))) {                           /+ heading make set +/
                   line = line.flow_heading_make_set_(line_occur, heading_match_rgx, obj_type_status);
                 }
                 /+ TODO node info: all headings identified at this point,
@@ -913,22 +933,22 @@ template docAbstraction() {
                     collapsed_lev,
                     obj_type_status,
                     conf_make_meta,
-                    track,
+                    track_state,
                   );
-                } else if (line_occur["para"] == State.off) {                              /+ para match +/
+                } else if (line_occur["para"] == eN.bi.off) {                              /+ para match +/
                   an_object_key="body_nugget";
                   line = line
                     ._doc_header_and_make_substitutions_(conf_make_meta)
                     ._doc_header_and_make_substitutions_fontface_(conf_make_meta);
                   an_object = line.flow_para_match_(an_object, an_object_key, indent, bullet, obj_type_status, line_occur);
                 }
-              } else if (line_occur["heading"] > State.off) {                              /+ heading +/
+              } else if (line_occur["heading"] > eN.bi.off) {                              /+ heading +/
                 debug(heading) {
                   writeln(line);
                 }
                 an_object[an_object_key] ~= line ~= "\n";
                 ++line_occur["heading"];
-              } else if (line_occur["para"] > State.off) {                                 /+ paragraph +/
+              } else if (line_occur["para"] > eN.bi.off) {                                 /+ paragraph +/
                 debug(para) {
                   writeln(an_object_key, "-> ", line);
                 }
@@ -939,7 +959,7 @@ template docAbstraction() {
                 ++line_occur["para"];
               }
             }
-          } else if (obj_type_status["blocks"] == TriState.closing) {           /+ line empty, with blocks flag +/
+          } else if (obj_type_status["blocks"] == eN.tri.closing) {           /+ line empty, with blocks flag +/
             an_object = line.flow_block_flag_line_empty_(
               an_object,
               bookindex_extract_hash,
@@ -960,7 +980,7 @@ template docAbstraction() {
               ~ line ~ "\""
             );
             assert(
-              (obj_type_status["blocks"] == State.off),
+              (obj_type_status["blocks"] == eN.bi.off),
               "code block status: none"
             );
             if (_new_doc) {
@@ -968,8 +988,8 @@ template docAbstraction() {
               lv0_to_3_tags = lv0_to_3_tags.init;
               tag_in_seg = tag_in_seg.init;
             }
-            if ((obj_type_status["heading"] == State.on)
-            && (line_occur["heading"] > State.off)) {                                      /+ heading object (current line empty) +/
+            if ((obj_type_status["heading"] == eN.bi.on)
+            && (line_occur["heading"] > eN.bi.off)) {                                      /+ heading object (current line empty) +/
               obj_cite_digits = (an_object["lev_markup_number"].to!int == 0)
               ? ocn_emit(OCNstatus.reset)
               : ocn_emit(obj_type_status["ocn_status"]);
@@ -1090,8 +1110,8 @@ template docAbstraction() {
               an_object.remove("lev_markup_number");
               processing.remove("verse");
               ++cntr;
-            } else if ((obj_type_status["para"] == State.on)
-            && (line_occur["para"] > State.off)) {
+            } else if ((obj_type_status["para"] == eN.bi.on)
+            && (line_occur["para"] > eN.bi.off)) {
               /+ paragraph object (current line empty) +/
               /+ repeated character paragraph separator +/
               if ((an_object[an_object_key].to!string).matchFirst(rgx.repeated_character_line_separator)) {
@@ -1166,7 +1186,7 @@ template docAbstraction() {
         && (the_document_body_section.length > previous_length)) {
           if ((the_document_body_section[$-1].metainfo.is_a == "heading")
           && (the_document_body_section[$-1].metainfo.heading_lev_markup < 5)) {
-            track["section"] = status.sect.unset;
+            track_state["section"] = eN.sect.unset;
           }
           if (the_document_body_section[$-1].metainfo.is_a == "verse") {             /+ scan for endnotes for whole poem (each verse in poem) +/
             foreach (i; previous_length .. the_document_body_section.length) {
@@ -2439,10 +2459,10 @@ template docAbstraction() {
     return ref string[string]  an_object,
     return ref int[string]     obj_type_status,
   ) {
-    line_occur["heading"]      = State.off;
-    line_occur["para"]         = State.off;
-    obj_type_status["heading"] = State.off;
-    obj_type_status["para"]    = State.off;
+    line_occur["heading"]      = eN.bi.off;
+    line_occur["para"]         = eN.bi.off;
+    obj_type_status["heading"] = eN.bi.off;
+    obj_type_status["para"]    = eN.bi.off;
     an_object                  = an_object.object_reset;
   }
   @safe static int[string] _check_ocn_status_()(
@@ -2464,7 +2484,7 @@ template docAbstraction() {
         }
         if (line.matchFirst(rgx.object_number_off_block_dummy_heading)) {
           obj_type_status["ocn_status_off_for_multiple_objects"] = OCN_off_block_status.on;
-          obj_type_status["heading_off_for_multiple_objects"]    = Status.on;
+          obj_type_status["heading_off_for_multiple_objects"]    = eN.bi.on;
           obj_type_status["ocn_status"]                          = OCNstatus.off;
           debug(ocnoff) {
             writeln(line);
@@ -2472,18 +2492,18 @@ template docAbstraction() {
         }
       } else {
         if (obj_type_status["ocn_status_off_for_multiple_objects"] == OCN_off_block_status.off) {
-          obj_type_status["dummy_heading_status"] = Status.off;
+          obj_type_status["dummy_heading_status"] = eN.bi.off;
           if (obj_type_status["heading_off_for_multiple_objects"]) {
-            obj_type_status["dummy_heading_status"] = Status.on;
+            obj_type_status["dummy_heading_status"] = eN.bi.on;
           }
           if (line.matchFirst(rgx.object_number_off)) {
             obj_type_status["ocn_status"] = OCNstatus.off;
           } else if (line.matchFirst(rgx.object_number_off_dummy_heading)) {
             obj_type_status["ocn_status"]           = OCNstatus.off;
-            obj_type_status["dummy_heading_status"] = Status.on;
+            obj_type_status["dummy_heading_status"] = eN.bi.on;
           } else {
             obj_type_status["ocn_status"]           = OCNstatus.on;
-            obj_type_status["dummy_heading_status"] = Status.off;
+            obj_type_status["dummy_heading_status"] = eN.bi.off;
           }
         } else {
           obj_type_status["ocn_status"]             = obj_type_status["ocn_status_off_for_multiple_objects"];
@@ -2496,7 +2516,7 @@ template docAbstraction() {
       if (line.matchFirst(rgx.object_number_off_block_close)) {
         obj_type_status["ocn_status_off_for_multiple_objects"] = OCN_off_block_status.off;
         obj_type_status["ocn_status"]                          = OCNstatus.on;
-        obj_type_status["dummy_heading_status"]                = Status.off;
+        obj_type_status["dummy_heading_status"]                = eN.bi.off;
         debug(ocnoff) {
           writeln(line);
         }
@@ -2562,9 +2582,9 @@ template docAbstraction() {
           line
         );
       }
-      obj_type_status["blocks"]     = TriState.on;
-      obj_type_status["code"]       = TriState.on;
-      obj_type_status["curly_code"] = TriState.on;
+      obj_type_status["blocks"]     = eN.tri.on;
+      obj_type_status["code"]       = eN.tri.on;
+      obj_type_status["curly_code"] = eN.tri.on;
     } else if (auto m = line.matchFirst(rgx.block_curly_poem_open)) {
       dochas["poem"]++;
       an_object["syntax"]            = "";
@@ -2577,10 +2597,10 @@ template docAbstraction() {
         );
       }
       object_number_poem["start"]   = obj_cite_digits.object_number.to!string;
-      obj_type_status["blocks"]     = TriState.on;
-      obj_type_status["verse_new"]  = State.on;
-      obj_type_status["poem"]       = TriState.on;
-      obj_type_status["curly_poem"] = TriState.on;
+      obj_type_status["blocks"]     = eN.tri.on;
+      obj_type_status["verse_new"]  = eN.bi.on;
+      obj_type_status["poem"]       = eN.tri.on;
+      obj_type_status["curly_poem"] = eN.tri.on;
     } else if (auto m = line.matchFirst(rgx.block_curly_group_open)) {
       dochas["group"]++;
       an_object["syntax"]            = "";
@@ -2592,9 +2612,9 @@ template docAbstraction() {
           line
         );
       }
-      obj_type_status["blocks"]      = TriState.on;
-      obj_type_status["group"]       = TriState.on;
-      obj_type_status["curly_group"] = TriState.on;
+      obj_type_status["blocks"]      = eN.tri.on;
+      obj_type_status["group"]       = eN.tri.on;
+      obj_type_status["curly_group"] = eN.tri.on;
     } else if (auto m = line.matchFirst(rgx.block_curly_block_open)) {
       dochas["block"]++;
       an_object["syntax"]            = "";
@@ -2606,9 +2626,9 @@ template docAbstraction() {
           line
         );
       }
-      obj_type_status["blocks"]      = TriState.on;
-      obj_type_status["block"]       = TriState.on;
-      obj_type_status["curly_block"] = TriState.on;
+      obj_type_status["blocks"]      = eN.tri.on;
+      obj_type_status["block"]       = eN.tri.on;
+      obj_type_status["curly_block"] = eN.tri.on;
     } else if (auto m = line.matchFirst(rgx.block_curly_quote_open)) {
       dochas["quote"]++;
       an_object["syntax"]            = "";
@@ -2620,9 +2640,9 @@ template docAbstraction() {
           line
         );
       }
-      obj_type_status["blocks"]      = TriState.on;
-      obj_type_status["quote"]       = TriState.on;
-      obj_type_status["curly_quote"] = TriState.on;
+      obj_type_status["blocks"]      = eN.tri.on;
+      obj_type_status["quote"]       = eN.tri.on;
+      obj_type_status["curly_quote"] = eN.tri.on;
     } else if (auto m = line.matchFirst(rgx.block_curly_table_open)) {           /+ curly table open +/
       debug(table) {                             // table (curly) open
         writefln(
@@ -2633,16 +2653,16 @@ template docAbstraction() {
       dochas["table"] ++;
       an_object["table_head"]        = m["attrib"].to!string;
       an_object["block_type"]        = "curly";
-      obj_type_status["blocks"]      = TriState.on;
-      obj_type_status["table"]       = TriState.on;
-      obj_type_status["curly_table"] = TriState.on;
+      obj_type_status["blocks"]      = eN.tri.on;
+      obj_type_status["table"]       = eN.tri.on;
+      obj_type_status["curly_table"] = eN.tri.on;
     } else if (auto m = line.matchFirst(rgx.block_curly_table_special_markup)) { /+ table: special table block markup syntax! +/
       dochas["table"]++;
       an_object["table_head"]                       = m["attrib"].to!string;
       an_object["block_type"]                       = "special";
-      obj_type_status["blocks"]                     = TriState.on;
-      obj_type_status["table"]                      = TriState.on;
-      obj_type_status["curly_table_special_markup"] = TriState.on;
+      obj_type_status["blocks"]                     = eN.tri.on;
+      obj_type_status["table"]                      = eN.tri.on;
+      obj_type_status["curly_table_special_markup"] = eN.tri.on;
     } else if (auto m = line.matchFirst(rgx.block_tic_code_open)) {
       dochas["codeblock"]++;
       an_object["lang"]              = "";
@@ -2654,9 +2674,9 @@ template docAbstraction() {
           line
         );
       }
-      obj_type_status["blocks"]   = TriState.on;
-      obj_type_status["code"]     = TriState.on;
-      obj_type_status["tic_code"] = TriState.on;
+      obj_type_status["blocks"]   = eN.tri.on;
+      obj_type_status["code"]     = eN.tri.on;
+      obj_type_status["tic_code"] = eN.tri.on;
     } else if (auto m = line.matchFirst(rgx.block_tic_poem_open)) {
       dochas["poem"]++;
       an_object["syntax"]            = "";
@@ -2669,10 +2689,10 @@ template docAbstraction() {
         );
       }
       object_number_poem["start"]  = obj_cite_digits.object_number.to!string;
-      obj_type_status["blocks"]    = TriState.on;
-      obj_type_status["verse_new"] = State.on;
-      obj_type_status["poem"]      = TriState.on;
-      obj_type_status["tic_poem"]  = TriState.on;
+      obj_type_status["blocks"]    = eN.tri.on;
+      obj_type_status["verse_new"] = eN.bi.on;
+      obj_type_status["poem"]      = eN.tri.on;
+      obj_type_status["tic_poem"]  = eN.tri.on;
     } else if (auto m = line.matchFirst(rgx.block_tic_group_open)) {
       dochas["group"]++;
       an_object["syntax"]            = "";
@@ -2684,9 +2704,9 @@ template docAbstraction() {
           line
         );
       }
-      obj_type_status["blocks"]    = TriState.on;
-      obj_type_status["group"]     = TriState.on;
-      obj_type_status["tic_group"] = TriState.on;
+      obj_type_status["blocks"]    = eN.tri.on;
+      obj_type_status["group"]     = eN.tri.on;
+      obj_type_status["tic_group"] = eN.tri.on;
     } else if (auto m = line.matchFirst(rgx.block_tic_block_open)) {
       dochas["block"]++;
       an_object["syntax"]            = "";
@@ -2698,9 +2718,9 @@ template docAbstraction() {
           line
         );
       }
-      obj_type_status["blocks"]    = TriState.on;
-      obj_type_status["block"]     = TriState.on;
-      obj_type_status["tic_block"] = TriState.on;
+      obj_type_status["blocks"]    = eN.tri.on;
+      obj_type_status["block"]     = eN.tri.on;
+      obj_type_status["tic_block"] = eN.tri.on;
     } else if (auto m = line.matchFirst(rgx.block_tic_quote_open)) {
       dochas["quote"]++;
       an_object["syntax"]            = "";
@@ -2712,9 +2732,9 @@ template docAbstraction() {
           line
         );
       }
-      obj_type_status["blocks"]    = TriState.on;
-      obj_type_status["quote"]     = TriState.on;
-      obj_type_status["tic_quote"] = TriState.on;
+      obj_type_status["blocks"]    = eN.tri.on;
+      obj_type_status["quote"]     = eN.tri.on;
+      obj_type_status["tic_quote"] = eN.tri.on;
     } else if (auto m = line.matchFirst(rgx.block_tic_table_open)) {             /+ tic table open +/
       debug(table) {                             // table (tic) open
         writefln(
@@ -2725,9 +2745,9 @@ template docAbstraction() {
       dochas["table"] ++;
       an_object["table_head"]      = m["attrib"].to!string;
       an_object["block_type"]      = "tic";
-      obj_type_status["blocks"]    = TriState.on;
-      obj_type_status["table"]     = TriState.on;
-      obj_type_status["tic_table"] = TriState.on;
+      obj_type_status["blocks"]    = eN.tri.on;
+      obj_type_status["table"]     = eN.tri.on;
+      obj_type_status["tic_table"] = eN.tri.on;
     }
   }
   @safe string[string] flow_txt_block_quote()(
@@ -2736,30 +2756,30 @@ template docAbstraction() {
     return ref int[string]     obj_type_status
   ) {
     static auto rgx = RgxI();
-    if (obj_type_status["curly_quote"] == TriState.on) {
+    if (obj_type_status["curly_quote"] == eN.tri.on) {
       if (line.matchFirst(rgx.block_curly_quote_close)) {
         debug(quote) {                              // quote (curly) close
           writeln(line);
         }
         an_object[an_object_key]       = an_object[an_object_key].stripRight;
-        obj_type_status["blocks"]      = TriState.closing;
-        obj_type_status["quote"]       = TriState.closing;
-        obj_type_status["curly_quote"] = TriState.off;
+        obj_type_status["blocks"]      = eN.tri.closing;
+        obj_type_status["quote"]       = eN.tri.closing;
+        obj_type_status["curly_quote"] = eN.tri.off;
       } else {
         debug(quote) {
           writeln(line);
         }
         an_object[an_object_key] ~= line ~= "\n";   // build quote array (or string)
       }
-    } else if (obj_type_status["tic_quote"] == TriState.on) {
+    } else if (obj_type_status["tic_quote"] == eN.tri.on) {
       if (line.matchFirst(rgx.block_tic_close)) {
         debug(quote) {                              // quote (tic) close
           writeln(line);
         }
         an_object[an_object_key]     = an_object[an_object_key].stripRight;
-        obj_type_status["blocks"]    = TriState.closing;
-        obj_type_status["quote"]     = TriState.closing;
-        obj_type_status["tic_quote"] = TriState.off;
+        obj_type_status["blocks"]    = eN.tri.closing;
+        obj_type_status["quote"]     = eN.tri.closing;
+        obj_type_status["tic_quote"] = eN.tri.off;
       } else {
         debug(quote) {
           writeln(line);
@@ -2775,30 +2795,30 @@ template docAbstraction() {
     return ref int[string]     obj_type_status
   ) {
     static auto rgx = RgxI();
-    if (obj_type_status["curly_group"] == State.on) {
+    if (obj_type_status["curly_group"] == eN.bi.on) {
       if (line.matchFirst(rgx.block_curly_group_close)) {
         debug(group) {
           writeln(line);
         }
         an_object[an_object_key]       = an_object[an_object_key].stripRight;
-        obj_type_status["blocks"]      = TriState.closing;
-        obj_type_status["group"]       = TriState.closing;
-        obj_type_status["curly_group"] = TriState.off;
+        obj_type_status["blocks"]      = eN.tri.closing;
+        obj_type_status["group"]       = eN.tri.closing;
+        obj_type_status["curly_group"] = eN.tri.off;
       } else {
         debug(group) {
           writeln(line);
         }
         an_object[an_object_key] ~= line ~= "\n";   // build group array (or string)
       }
-    } else if (obj_type_status["tic_group"] == TriState.on) {
+    } else if (obj_type_status["tic_group"] == eN.tri.on) {
       if (line.matchFirst(rgx.block_tic_close)) {
         debug(group) {
           writeln(line);
         }
         an_object[an_object_key]     = an_object[an_object_key].stripRight;
-        obj_type_status["blocks"]    = TriState.closing;
-        obj_type_status["group"]     = TriState.closing;
-        obj_type_status["tic_group"] = TriState.off;
+        obj_type_status["blocks"]    = eN.tri.closing;
+        obj_type_status["group"]     = eN.tri.closing;
+        obj_type_status["tic_group"] = eN.tri.off;
       } else {
         debug(group) {
           writeln(line);
@@ -2814,30 +2834,30 @@ template docAbstraction() {
     return ref int[string]     obj_type_status
   ) {
     static auto rgx = RgxI();
-    if (obj_type_status["curly_block"] == TriState.on) {
+    if (obj_type_status["curly_block"] == eN.tri.on) {
       if (line.matchFirst(rgx.block_curly_block_close)) {
         debug(block) {                             // block (curly) close
           writeln(line);
         }
         an_object[an_object_key]       = an_object[an_object_key].stripRight;
-        obj_type_status["blocks"]      = TriState.closing;
-        obj_type_status["block"]       = TriState.closing;
-        obj_type_status["curly_block"] = TriState.off;
+        obj_type_status["blocks"]      = eN.tri.closing;
+        obj_type_status["block"]       = eN.tri.closing;
+        obj_type_status["curly_block"] = eN.tri.off;
       } else {
         debug(block) {
           writeln(line);
         }
         an_object[an_object_key] ~= line ~= "\n";   // build block array (or string)
       }
-    } else if (obj_type_status["tic_block"] == TriState.on) {
+    } else if (obj_type_status["tic_block"] == eN.tri.on) {
       if (line.matchFirst(rgx.block_tic_close)) {
         debug(block) {
           writeln(line);
         }
         an_object[an_object_key]     = an_object[an_object_key].stripRight;
-        obj_type_status["blocks"]    = TriState.closing;
-        obj_type_status["block"]     = TriState.closing;
-        obj_type_status["tic_block"] = TriState.off;
+        obj_type_status["blocks"]    = eN.tri.closing;
+        obj_type_status["block"]     = eN.tri.closing;
+        obj_type_status["tic_block"] = eN.tri.off;
       } else {
         debug(block) {
           writeln(line);
@@ -2857,7 +2877,7 @@ template docAbstraction() {
                string[string]  tag_in_seg,
   ) {
     static auto rgx = RgxI();
-    if (obj_type_status["curly_poem"] == TriState.on) {
+    if (obj_type_status["curly_poem"] == eN.tri.on) {
       if (line.matchFirst(rgx.block_curly_poem_close)) {
         if (an_object_key in an_object
         || processing.length > 0) {
@@ -2915,20 +2935,20 @@ template docAbstraction() {
           ++cntr;
         }
         object_number_poem["end"]     = obj_cite_digits.object_number.to!string;
-        obj_type_status["blocks"]     = TriState.closing;
-        obj_type_status["poem"]       = TriState.closing;
-        obj_type_status["curly_poem"] = TriState.off;
+        obj_type_status["blocks"]     = eN.tri.closing;
+        obj_type_status["poem"]       = eN.tri.closing;
+        obj_type_status["curly_poem"] = eN.tri.off;
       } else {
         processing["verse"] ~= line ~= "\n";
-        if (obj_type_status["verse_new"] == State.on) {
+        if (obj_type_status["verse_new"] == eN.bi.on) {
           obj_cite_digits = ocn_emit(obj_type_status["ocn_status"]);
-          obj_type_status["verse_new"] = State.off;
+          obj_type_status["verse_new"] = eN.bi.off;
         } else if (line.matchFirst(rgx.newline_eol_delimiter_only)) {
           processing["verse"] = processing["verse"].stripRight;
-          verse_line = TriState.off;
-          obj_type_status["verse_new"] = State.on;
+          verse_line = eN.tri.off;
+          obj_type_status["verse_new"] = eN.bi.on;
         }
-        if (obj_type_status["verse_new"] == State.on) {
+        if (obj_type_status["verse_new"] == eN.bi.on) {
           verse_line=1;
           an_object[an_object_key] = processing["verse"];
           debug(poem) {                          // poem verse
@@ -2977,7 +2997,7 @@ template docAbstraction() {
           ++cntr;
         }
       }
-    } else if (obj_type_status["tic_poem"] == TriState.on) {
+    } else if (obj_type_status["tic_poem"] == eN.tri.on) {
       if (auto m = line.matchFirst(rgx.block_tic_close)) { // tic_poem_close
         an_object[an_object_key]="verse";
         debug(poem) {
@@ -3023,20 +3043,20 @@ template docAbstraction() {
           processing.remove("verse");
           ++cntr;
         }
-        obj_type_status["blocks"]   = TriState.closing;
-        obj_type_status["poem"]     = TriState.closing;
-        obj_type_status["tic_poem"] = TriState.off;
+        obj_type_status["blocks"]   = eN.tri.closing;
+        obj_type_status["poem"]     = eN.tri.closing;
+        obj_type_status["tic_poem"] = eN.tri.off;
       } else {
         processing["verse"] ~= line ~= "\n";
-        if (obj_type_status["verse_new"] == State.on) {
+        if (obj_type_status["verse_new"] == eN.bi.on) {
           obj_cite_digits = ocn_emit(obj_type_status["ocn_status"]);
-          obj_type_status["verse_new"] = State.off;
+          obj_type_status["verse_new"] = eN.bi.off;
         } else if (line.matchFirst(rgx.newline_eol_delimiter_only)) {
           processing["verse"] = processing["verse"].stripRight;
-          obj_type_status["verse_new"] = State.on;
-          verse_line = TriState.off;
+          obj_type_status["verse_new"] = eN.bi.on;
+          verse_line = eN.tri.off;
         }
-        if (obj_type_status["verse_new"] == State.on) {
+        if (obj_type_status["verse_new"] == eN.bi.on) {
           verse_line=1;
           an_object[an_object_key] = processing["verse"];
           debug(poem) {                            // poem (tic) close
@@ -3095,7 +3115,7 @@ template docAbstraction() {
     return ref int[string]     obj_type_status
   ) {
     static auto rgx = RgxI();
-    if (obj_type_status["curly_code"] == TriState.on) {
+    if (obj_type_status["curly_code"] == eN.tri.on) {
       if (line.matchFirst(rgx.block_curly_code_close)) {
         debug(codecurly) {                                    // code (curly) close
           writeln(line);
@@ -3103,16 +3123,16 @@ template docAbstraction() {
         an_object[an_object_key] = an_object[an_object_key]
           .replaceFirst(rgx.newline_eol_delimiter_only, "")
           .stripRight;
-        obj_type_status["blocks"]     = TriState.closing;
-        obj_type_status["code"]       = TriState.closing;
-        obj_type_status["curly_code"] = TriState.off;
+        obj_type_status["blocks"]     = eN.tri.closing;
+        obj_type_status["code"]       = eN.tri.closing;
+        obj_type_status["curly_code"] = eN.tri.off;
       } else {
         debug(codecurly) {                                    // code (curly) line
           writeln(line);
         }
         an_object[an_object_key] ~= line ~= "\n";        // code (curly) line
       }
-    } else if (obj_type_status["tic_code"] == TriState.on) {
+    } else if (obj_type_status["tic_code"] == eN.tri.on) {
       if (line.matchFirst(rgx.block_tic_close)) {
         debug(codetic) {                                    // code (tic) close
           writeln(line);
@@ -3120,9 +3140,9 @@ template docAbstraction() {
         an_object[an_object_key] = an_object[an_object_key]
           .replaceFirst(rgx.newline_eol_delimiter_only, "")
           .stripRight;
-        obj_type_status["blocks"]   = TriState.closing;
-        obj_type_status["code"]     = TriState.closing;
-        obj_type_status["tic_code"] = TriState.off;
+        obj_type_status["blocks"]   = eN.tri.closing;
+        obj_type_status["code"]     = eN.tri.closing;
+        obj_type_status["tic_code"] = eN.tri.off;
       } else {
         debug(codetic) {                                    // code (tic) line
           writeln(line);
@@ -3138,25 +3158,25 @@ template docAbstraction() {
     return ref CMM             conf_make_meta,
   ) {
     static auto rgx = RgxI();
-    if (obj_type_status["curly_table"] == TriState.on) {
+    if (obj_type_status["curly_table"] == eN.tri.on) {
       if (line.matchFirst(rgx.block_curly_table_close)) {
         debug(table) {                           // table (curly) close
           writeln(line);
         }
-        obj_type_status["blocks"]      = TriState.closing;
-        obj_type_status["table"]       = TriState.closing;
-        obj_type_status["curly_table"] = TriState.off;
+        obj_type_status["blocks"]      = eN.tri.closing;
+        obj_type_status["table"]       = eN.tri.closing;
+        obj_type_status["curly_table"] = eN.tri.off;
       } else {
         debug(table) {                           // table
           writeln(line);
         }
         an_object[an_object_key] ~= line ~= "\n";           // build table array (or string)
       }
-    } else if (obj_type_status["curly_table_special_markup"] == TriState.on) {
+    } else if (obj_type_status["curly_table_special_markup"] == eN.tri.on) {
       if (line.empty) {
-        obj_type_status["blocks"]                     = TriState.off;
-        obj_type_status["table"]                      = TriState.off;
-        obj_type_status["curly_table_special_markup"] = TriState.off;
+        obj_type_status["blocks"]                     = eN.tri.off;
+        obj_type_status["table"]                      = eN.tri.off;
+        obj_type_status["curly_table_special_markup"] = eN.tri.off;
         line.flow_table_closed_make_special_notation_table_(
           an_object,
           the_document_body_section,
@@ -3172,14 +3192,14 @@ template docAbstraction() {
         }
         an_object[an_object_key] ~= line ~= "\n";
       }
-    } else if (obj_type_status["tic_table"] == TriState.on) {
+    } else if (obj_type_status["tic_table"] == eN.tri.on) {
       if (line.matchFirst(rgx.block_tic_close)) {
         debug(table) {                           // table (tic) close
           writeln(line);
         }
-        obj_type_status["blocks"]    = TriState.closing;
-        obj_type_status["table"]     = TriState.closing;
-        obj_type_status["tic_table"] = TriState.off;
+        obj_type_status["blocks"]    = eN.tri.closing;
+        obj_type_status["table"]     = eN.tri.closing;
+        obj_type_status["tic_table"] = eN.tri.off;
       } else {
         debug(table) {                           // table
           writeln(line);
@@ -3214,14 +3234,13 @@ template docAbstraction() {
     return ref int         bib_entry,
     return ref string      biblio_entry_str_json,
     return ref string[]    biblio_arr_json,
-    return ref int[string] track,
+    return ref int[string] track_state,
   ) {
     mixin spineBiblio;
-    mixin spineDocStatus;
     auto jsn = BibJsnStr();
     static auto rgx = RgxI();
     if (line.matchFirst(rgx.heading_biblio)) {
-      track["section"] = status.sect.bibliography;
+      track_state["section"] = eN.sect.bibliography;
     }
     if (line.empty) {
       debug {
@@ -3232,12 +3251,12 @@ template docAbstraction() {
           writeln(biblio_entry_str_json.length);
         }
       }
-      if ((bib_entry == State.off)
+      if ((bib_entry == eN.bi.off)
       && (biblio_entry_str_json.empty)) {
-        bib_entry = State.on;
+        bib_entry = eN.bi.on;
         biblio_entry_str_json = jsn.biblio_entry_tags_jsonstr;
       } else if (!(biblio_entry_str_json.empty)) {
-        bib_entry = State.off;
+        bib_entry = eN.bi.off;
         if (!(biblio_entry_str_json == jsn.biblio_entry_tags_jsonstr)) {
           auto biblio_entry = parseJSON(biblio_entry_str_json);
           if (biblio_entry["fulltitle"].str.empty) {
@@ -3258,7 +3277,7 @@ template docAbstraction() {
         writeln(line);
       }
       auto bt = line.match(rgx.biblio_tags);
-      bib_entry = State.off;
+      bib_entry = eN.bi.off;
       st = bt.captures[1].to!string;
       auto header_tag_value=(bt.captures[2]).to!string;
       JSONValue j = parseJSON(biblio_entry_str_json);
@@ -3391,12 +3410,12 @@ template docAbstraction() {
       ~ line ~ "\""
     );
     assert(
-      (obj_type_status["blocks"] == TriState.closing),
+      (obj_type_status["blocks"] == eN.tri.closing),
       "code block status: closed"
     );
     assertions_flag_types_block_status_none_or_closed(obj_type_status);
     static auto rgx = RgxI();
-    if (obj_type_status["quote"] == TriState.closing) {
+    if (obj_type_status["quote"] == eN.tri.closing) {
       obj_cite_digits = ocn_emit(obj_type_status["ocn_status"]);
       an_object["bookindex_nugget"]
         = ("bookindex_nugget" in an_object) ? an_object["bookindex_nugget"] : "";
@@ -3442,12 +3461,12 @@ template docAbstraction() {
       comp_obj_block.has.inline_links                = substantive_obj_misc_tuple[sObj.links];
       the_document_body_section                      ~= comp_obj_block;
       tag_assoc                                      = an_object.inline_para_link_anchor(tag_in_seg, tag_assoc);
-      obj_type_status["blocks"]                      = TriState.off;
-      obj_type_status["quote"]                       = TriState.off;
+      obj_type_status["blocks"]                      = eN.tri.off;
+      obj_type_status["quote"]                       = eN.tri.off;
       object_reset(an_object);
       processing.remove("verse");
       ++cntr;
-    } else if (obj_type_status["group"] == TriState.closing) {
+    } else if (obj_type_status["group"] == eN.tri.closing) {
       obj_cite_digits = ocn_emit(obj_type_status["ocn_status"]);
       an_object["bookindex_nugget"]
         = ("bookindex_nugget" in an_object) ? an_object["bookindex_nugget"] : "";
@@ -3493,12 +3512,12 @@ template docAbstraction() {
       comp_obj_block.has.inline_links                = substantive_obj_misc_tuple[sObj.links];
       the_document_body_section                      ~= comp_obj_block;
       tag_assoc                                      = an_object.inline_para_link_anchor(tag_in_seg, tag_assoc);
-      obj_type_status["blocks"]                      = TriState.off;
-      obj_type_status["group"]                       = TriState.off;
+      obj_type_status["blocks"]                      = eN.tri.off;
+      obj_type_status["group"]                       = eN.tri.off;
       object_reset(an_object);
       processing.remove("verse");
       ++cntr;
-    } else if (obj_type_status["block"] == TriState.closing) {
+    } else if (obj_type_status["block"] == eN.tri.closing) {
       obj_cite_digits = ocn_emit(obj_type_status["ocn_status"]);
       an_object["bookindex_nugget"]
         = ("bookindex_nugget" in an_object) ? an_object["bookindex_nugget"] : "";
@@ -3543,12 +3562,12 @@ template docAbstraction() {
       comp_obj_block.has.inline_notes_star           = substantive_obj_misc_tuple[sObj.notes_star];
       comp_obj_block.has.inline_links                = substantive_obj_misc_tuple[sObj.links];
       the_document_body_section                      ~= comp_obj_block;
-      obj_type_status["blocks"]                      = TriState.off;
-      obj_type_status["block"]                       = TriState.off;
+      obj_type_status["blocks"]                      = eN.tri.off;
+      obj_type_status["block"]                       = eN.tri.off;
       object_reset(an_object);
       processing.remove("verse");
       ++cntr;
-    } else if (obj_type_status["poem"] == TriState.closing) {
+    } else if (obj_type_status["poem"] == eN.tri.closing) {
       an_object["bookindex_nugget"]
         = ("bookindex_nugget" in an_object) ? an_object["bookindex_nugget"] : "";
       bookindex_unordered_hashes
@@ -3581,11 +3600,11 @@ template docAbstraction() {
       comp_obj_poem_ocn.metainfo.object_number_type   = obj_cite_digits.type;
       comp_obj_poem_ocn.text                          = "";
       the_document_body_section                       ~= comp_obj_poem_ocn;
-      obj_type_status["blocks"]                       = TriState.off;
-      obj_type_status["poem"]                         = TriState.off;
+      obj_type_status["blocks"]                       = eN.tri.off;
+      obj_type_status["poem"]                         = eN.tri.off;
       object_reset(an_object);
       processing.remove("verse");
-    } else if (obj_type_status["code"] == TriState.closing) {
+    } else if (obj_type_status["code"] == eN.tri.closing) {
       obj_cite_digits = ocn_emit(obj_type_status["ocn_status"]);
       an_object["bookindex_nugget"]
         = ("bookindex_nugget" in an_object) ? an_object["bookindex_nugget"] : "";
@@ -3631,12 +3650,12 @@ template docAbstraction() {
       comp_obj_code.has.inline_notes_star           = substantive_obj_misc_tuple[sObj.notes_star];
       comp_obj_code.has.inline_links                = substantive_obj_misc_tuple[sObj.links];
       the_document_body_section                     ~= comp_obj_code;
-      obj_type_status["blocks"]                     = TriState.off;
-      obj_type_status["code"]                       = TriState.off;
+      obj_type_status["blocks"]                     = eN.tri.off;
+      obj_type_status["code"]                       = eN.tri.off;
       object_reset(an_object);
       processing.remove("verse");
       ++cntr;
-    } else if (obj_type_status["table"] == TriState.closing) {
+    } else if (obj_type_status["table"] == eN.tri.closing) {
       comp_obj_block = comp_obj_block.init;
       obj_cite_digits = ocn_emit(obj_type_status["ocn_status"]);
       an_object["bookindex_nugget"]
@@ -3673,8 +3692,8 @@ template docAbstraction() {
       comp_obj_block                                 = comp_obj_block.flow_table_instructions(an_object["table_head"]);
       comp_obj_block                                 = comp_obj_block.flow_table_substantive_munge(an_object["substantive"]);
       the_document_body_section                      ~= comp_obj_block;
-      obj_type_status["blocks"]                      = TriState.off;
-      obj_type_status["table"]                       = TriState.off;
+      obj_type_status["blocks"]                      = eN.tri.off;
+      obj_type_status["table"]                       = eN.tri.off;
       object_reset(an_object);
       processing.remove("verse");
       ++cntr;
@@ -3686,10 +3705,9 @@ template docAbstraction() {
                string[string]  an_object,
     return ref string          book_idx_tmp,
     return ref int[string]     obj_type_status,
-    return ref int[string]     track,
+    return ref int[string]     track_state,
                B               opt_action,
   ) {
-    mixin spineDocStatus;
     static auto rgx = RgxI();
     if (auto m = line.match(rgx.book_index_item)) {                                   /+ match book_index +/
       debug(bookindexmatch) {
@@ -3700,7 +3718,7 @@ template docAbstraction() {
       }
       an_object["bookindex_nugget"] = m.captures[1].to!string;
     } else if (auto m = line.match(rgx.book_index_item_open))  {                      /+ match open book_index +/
-      track["section"] = status.sect.book_index;
+      track_state["section"] = eN.sect.book_index;
       if (opt_action.backmatter && opt_action.section_bookindex) {
         book_idx_tmp = m.captures[1].to!string;
         debug(bookindexmatch) {
@@ -3710,9 +3728,9 @@ template docAbstraction() {
           );
         }
       }
-    } else if (track["section"] == status.sect.book_index)  {                    /+ book_index flag set +/
+    } else if (track_state["section"] == eN.sect.book_index)  {                    /+ book_index flag set +/
       if (auto m = line.match(rgx.book_index_item_close))  {
-        track["section"] = status.sect.unset;
+        track_state["section"] = eN.sect.unset;
         if (opt_action.backmatter
         && opt_action.section_bookindex) {
           an_object["bookindex_nugget"] = book_idx_tmp ~ m.captures[1].to!string;
@@ -3742,7 +3760,7 @@ template docAbstraction() {
   ) {
     static auto rgx = RgxI();
     if ((_make_unmarked_headings.length > 2)
-    && (obj_type_status["make_headings"] == State.off)) {                        /+ headings found +/
+    && (obj_type_status["make_headings"] == eN.bi.off)) {                        /+ headings found +/
       debug(headingsfound) {
         writeln(_make_unmarked_headings);
       }
@@ -3810,7 +3828,7 @@ template docAbstraction() {
       default:
         break;
       }
-      obj_type_status["make_headings"] = State.on;
+      obj_type_status["make_headings"] = eN.bi.on;
     }
     return heading_match_str;
   }
@@ -3820,11 +3838,11 @@ template docAbstraction() {
     return ref Regex!(char)[string]  heading_match_rgx,
     return ref int[string]           obj_type_status
   ) {
-    if ((obj_type_status["make_headings"] == State.on)
-    && ((line_occur["para"] == State.off)
-    && (line_occur["heading"] == State.off))
-    && ((obj_type_status["para"] == State.off)
-    && (obj_type_status["heading"] == State.off))) {                             /+ heading make set +/
+    if ((obj_type_status["make_headings"] == eN.bi.on)
+    && ((line_occur["para"] == eN.bi.off)
+    && (line_occur["heading"] == eN.bi.off))
+    && ((obj_type_status["para"] == eN.bi.off)
+    && (obj_type_status["heading"] == eN.bi.off))) {                             /+ heading make set +/
       if (line.matchFirst(heading_match_rgx["h_B"])) {
         line = "B~ " ~ line;
         debug(headingsfound) {
@@ -3879,16 +3897,15 @@ template docAbstraction() {
     return ref int[string]     collapsed_lev,
     return ref int[string]     obj_type_status,
     return ref CMM             conf_make_meta,
-    return ref int[string]     track,
+    return ref int[string]     track_state,
   ) {
-    mixin spineDocStatus;
     static auto rgx = RgxI();
     if (auto m = line.match(rgx.headings)) {                                      /+ heading match +/
       ++line_occur["heading"];
-      obj_type_status["heading"]            = State.on;
-      obj_type_status["para"]               = State.off;
+      obj_type_status["heading"]            = eN.bi.on;
+      obj_type_status["para"]               = eN.bi.off;
       if (line.match(rgx.heading_seg_and_above)) {
-        track["section"]                    = status.sect.unset;
+        track_state["section"]                    = eN.sect.unset;
       }
       an_object[an_object_key] ~= line ~= "\n";
       an_object["lev"] ~= m.captures[1];
@@ -3912,13 +3929,13 @@ template docAbstraction() {
           = collapsed_lev["h0"].to!string;
         lv["lv"] = DocStructMarkupHeading.h_sect_A;
         ++lv["h0"];
-        lv["h1"] = State.off;
-        lv["h2"] = State.off;
-        lv["h3"] = State.off;
-        lv["h4"] = State.off;
-        lv["h5"] = State.off;
-        lv["h6"] = State.off;
-        lv["h7"] = State.off;
+        lv["h1"] = eN.bi.off;
+        lv["h2"] = eN.bi.off;
+        lv["h3"] = eN.bi.off;
+        lv["h4"] = eN.bi.off;
+        lv["h5"] = eN.bi.off;
+        lv["h6"] = eN.bi.off;
+        lv["h7"] = eN.bi.off;
         goto default;
       case "B":
         collapsed_lev["h1"] = collapsed_lev["h0"] + 1;
@@ -3926,12 +3943,12 @@ template docAbstraction() {
           = collapsed_lev["h1"].to!string;
         lv["lv"] = DocStructMarkupHeading.h_sect_B;
         ++lv["h1"];
-        lv["h2"] = State.off;
-        lv["h3"] = State.off;
-        lv["h4"] = State.off;
-        lv["h5"] = State.off;
-        lv["h6"] = State.off;
-        lv["h7"] = State.off;
+        lv["h2"] = eN.bi.off;
+        lv["h3"] = eN.bi.off;
+        lv["h4"] = eN.bi.off;
+        lv["h5"] = eN.bi.off;
+        lv["h6"] = eN.bi.off;
+        lv["h7"] = eN.bi.off;
         goto default;
       case "C":
         collapsed_lev["h2"] = collapsed_lev["h1"] + 1;
@@ -3939,11 +3956,11 @@ template docAbstraction() {
           = collapsed_lev["h2"].to!string;
         lv["lv"] = DocStructMarkupHeading.h_sect_C;
         ++lv["h2"];
-        lv["h3"] = State.off;
-        lv["h4"] = State.off;
-        lv["h5"] = State.off;
-        lv["h6"] = State.off;
-        lv["h7"] = State.off;
+        lv["h3"] = eN.bi.off;
+        lv["h4"] = eN.bi.off;
+        lv["h5"] = eN.bi.off;
+        lv["h6"] = eN.bi.off;
+        lv["h7"] = eN.bi.off;
         goto default;
       case "D":
         collapsed_lev["h3"] = collapsed_lev["h2"] + 1;
@@ -3951,61 +3968,61 @@ template docAbstraction() {
           = collapsed_lev["h3"].to!string;
         lv["lv"] = DocStructMarkupHeading.h_sect_D;
         ++lv["h3"];
-        lv["h4"] = State.off;
-        lv["h5"] = State.off;
-        lv["h6"] = State.off;
-        lv["h7"] = State.off;
+        lv["h4"] = eN.bi.off;
+        lv["h5"] = eN.bi.off;
+        lv["h6"] = eN.bi.off;
+        lv["h7"] = eN.bi.off;
         goto default;
       case "1":
-        if (lv["h3"] > State.off) {
+        if (lv["h3"] > eN.bi.off) {
           collapsed_lev["h4"] = collapsed_lev["h3"] + 1;
-        } else if (lv["h2"] > State.off) {
+        } else if (lv["h2"] > eN.bi.off) {
           collapsed_lev["h4"] = collapsed_lev["h2"] + 1;
-        } else if (lv["h1"] > State.off) {
+        } else if (lv["h1"] > eN.bi.off) {
           collapsed_lev["h4"] = collapsed_lev["h1"] + 1;
-        } else if (lv["h0"] > State.off) {
+        } else if (lv["h0"] > eN.bi.off) {
           collapsed_lev["h4"] = collapsed_lev["h0"] + 1;
         }
         an_object["lev_collapsed_number"]
           = collapsed_lev["h4"].to!string;
         lv["lv"] = DocStructMarkupHeading.h_text_1;
         ++lv["h4"];
-        lv["h5"] = State.off;
-        lv["h6"] = State.off;
-        lv["h7"] = State.off;
+        lv["h5"] = eN.bi.off;
+        lv["h6"] = eN.bi.off;
+        lv["h7"] = eN.bi.off;
         goto default;
       case "2":
-        if (lv["h5"] > State.off) {
+        if (lv["h5"] > eN.bi.off) {
           an_object["lev_collapsed_number"]
             = collapsed_lev["h5"].to!string;
-        } else if (lv["h4"] > State.off) {
+        } else if (lv["h4"] > eN.bi.off) {
           collapsed_lev["h5"] = collapsed_lev["h4"] + 1;
           an_object["lev_collapsed_number"]
             = collapsed_lev["h5"].to!string;
         }
         lv["lv"] = DocStructMarkupHeading.h_text_2;
         ++lv["h5"];
-        lv["h6"] = State.off;
-        lv["h7"] = State.off;
+        lv["h6"] = eN.bi.off;
+        lv["h7"] = eN.bi.off;
         goto default;
       case "3":
-        if (lv["h6"] > State.off) {
+        if (lv["h6"] > eN.bi.off) {
           an_object["lev_collapsed_number"]
             = collapsed_lev["h6"].to!string;
-        } else if (lv["h5"] > State.off) {
+        } else if (lv["h5"] > eN.bi.off) {
           collapsed_lev["h6"] = collapsed_lev["h5"] + 1;
           an_object["lev_collapsed_number"]
             = collapsed_lev["h6"].to!string;
         }
         lv["lv"] = DocStructMarkupHeading.h_text_3;
         ++lv["h6"];
-        lv["h7"] = State.off;
+        lv["h7"] = eN.bi.off;
         goto default;
       case "4":
-        if (lv["h7"] > State.off) {
+        if (lv["h7"] > eN.bi.off) {
           an_object["lev_collapsed_number"]
             = collapsed_lev["h7"].to!string;
-        } else if (lv["h6"] > State.off) {
+        } else if (lv["h6"] > eN.bi.off) {
           collapsed_lev["h7"] = collapsed_lev["h6"] + 1;
           an_object["lev_collapsed_number"]
             = collapsed_lev["h7"].to!string;
@@ -4016,7 +4033,7 @@ template docAbstraction() {
       default:
         an_object["lev_markup_number"] = lv["lv"].to!string;
       }
-      an_object["dummy_heading_status"] = (obj_type_status["dummy_heading_status"] == State.off) ? "f" : "t";
+      an_object["dummy_heading_status"] = (obj_type_status["dummy_heading_status"] == eN.bi.off) ? "f" : "t";
       debug(heading) {
         writeln(line.strip);
       }
@@ -4033,10 +4050,10 @@ template docAbstraction() {
     return ref int[string]     line_occur,
   ) {
     static auto rgx = RgxI();
-    if (line_occur["para"] == State.off) {
+    if (line_occur["para"] == eN.bi.off) {
       line = font_faces_line(line);
       /+ para matches +/
-      obj_type_status["para"] = State.on;
+      obj_type_status["para"] = eN.bi.on;
       an_object[an_object_key] ~= line;
       indent=[
         "hang_position" : 0,
@@ -5748,13 +5765,13 @@ template docAbstraction() {
       assert(obj_cite_digits.object_number.to!int >= 0);
       assert(is_ != "heading");                          // should not be necessary
       assert(obj_cite_digits.object_number.to!int >= 0); // should not be necessary
-      if (lv7 > State.off) {
+      if (lv7 > eN.bi.off) {
         p_["lev_markup_number"] = DocStructMarkupHeading.h_text_4;
         p_["object_number"] = lv7;
-      } else if (lv6 > State.off) {
+      } else if (lv6 > eN.bi.off) {
         p_["lev_markup_number"] = DocStructMarkupHeading.h_text_3;
         p_["object_number"] = lv6;
-      } else if (lv5 > State.off) {
+      } else if (lv5 > eN.bi.off) {
         p_["lev_markup_number"] = DocStructMarkupHeading.h_text_2;
         p_["object_number"] = lv5;
       } else {
@@ -5861,15 +5878,15 @@ template docAbstraction() {
         lv = DocStructMarkupHeading.h_text_1;
         lv4 = obj_cite_digit;
         lv5=0; lv6=0; lv7=0;
-        if (lv3 > State.off) {
+        if (lv3 > eN.bi.off) {
           p_["lev_markup_number"]
             = DocStructMarkupHeading.h_sect_D;
           p_["object_number"] = lv3;
-        } else if (lv2 > State.off) {
+        } else if (lv2 > eN.bi.off) {
           p_["lev_markup_number"]
             = DocStructMarkupHeading.h_sect_C;
           p_["object_number"] = lv2;
-        } else if (lv1 > State.off) {
+        } else if (lv1 > eN.bi.off) {
           p_["lev_markup_number"]
             = DocStructMarkupHeading.h_sect_B;
           p_["object_number"] = lv1;
@@ -5988,171 +6005,171 @@ template docAbstraction() {
     string[string]  an_object,
     int[string]     lv
   ) {
-    if (lv["h3"] > State.off) {
-      assert(lv["h0"] > State.off);
-      assert(lv["h1"] > State.off);
-      assert(lv["h2"] > State.off);
-    } else if (lv["h2"] > State.off) {
-      assert(lv["h0"] > State.off);
-      assert(lv["h1"] > State.off);
-      assert(lv["h3"] == State.off);
-    } else if (lv["h1"] > State.off) {
-      assert(lv["h0"] > State.off);
-      assert(lv["h2"] == State.off);
-      assert(lv["h3"] == State.off);
-    } else if (lv["h0"] > State.off) {
-      assert(lv["h1"] == State.off);
-      assert(lv["h2"] == State.off);
-      assert(lv["h3"] == State.off);
+    if (lv["h3"] > eN.bi.off) {
+      assert(lv["h0"] > eN.bi.off);
+      assert(lv["h1"] > eN.bi.off);
+      assert(lv["h2"] > eN.bi.off);
+    } else if (lv["h2"] > eN.bi.off) {
+      assert(lv["h0"] > eN.bi.off);
+      assert(lv["h1"] > eN.bi.off);
+      assert(lv["h3"] == eN.bi.off);
+    } else if (lv["h1"] > eN.bi.off) {
+      assert(lv["h0"] > eN.bi.off);
+      assert(lv["h2"] == eN.bi.off);
+      assert(lv["h3"] == eN.bi.off);
+    } else if (lv["h0"] > eN.bi.off) {
+      assert(lv["h1"] == eN.bi.off);
+      assert(lv["h2"] == eN.bi.off);
+      assert(lv["h3"] == eN.bi.off);
     } else {
-      assert(lv["h0"] == State.off);
-      assert(lv["h1"] == State.off);
-      assert(lv["h2"] == State.off);
-      assert(lv["h3"] == State.off);
-    }
-    if (lv["h7"] > State.off) {
-      assert(lv["h4"] > State.off);
-      assert(lv["h5"] > State.off);
-      assert(lv["h6"] > State.off);
-    } else if (lv["h6"] > State.off) {
-      assert(lv["h4"] > State.off);
-      assert(lv["h5"] > State.off);
-      assert(lv["h7"] == State.off);
-    } else if (lv["h5"] > State.off) {
-      assert(lv["h4"] > State.off);
-      assert(lv["h6"] == State.off);
-      assert(lv["h7"] == State.off);
-    } else if (lv["h4"] > State.off) {
-      assert(lv["h5"] == State.off);
-      assert(lv["h6"] == State.off);
-      assert(lv["h7"] == State.off);
+      assert(lv["h0"] == eN.bi.off);
+      assert(lv["h1"] == eN.bi.off);
+      assert(lv["h2"] == eN.bi.off);
+      assert(lv["h3"] == eN.bi.off);
+    }
+    if (lv["h7"] > eN.bi.off) {
+      assert(lv["h4"] > eN.bi.off);
+      assert(lv["h5"] > eN.bi.off);
+      assert(lv["h6"] > eN.bi.off);
+    } else if (lv["h6"] > eN.bi.off) {
+      assert(lv["h4"] > eN.bi.off);
+      assert(lv["h5"] > eN.bi.off);
+      assert(lv["h7"] == eN.bi.off);
+    } else if (lv["h5"] > eN.bi.off) {
+      assert(lv["h4"] > eN.bi.off);
+      assert(lv["h6"] == eN.bi.off);
+      assert(lv["h7"] == eN.bi.off);
+    } else if (lv["h4"] > eN.bi.off) {
+      assert(lv["h5"] == eN.bi.off);
+      assert(lv["h6"] == eN.bi.off);
+      assert(lv["h7"] == eN.bi.off);
     } else {
-      assert(lv["h4"] == State.off);
-      assert(lv["h5"] == State.off);
-      assert(lv["h6"] == State.off);
-      assert(lv["h7"] == State.off);
+      assert(lv["h4"] == eN.bi.off);
+      assert(lv["h5"] == eN.bi.off);
+      assert(lv["h6"] == eN.bi.off);
+      assert(lv["h7"] == eN.bi.off);
     }
-    if (lv["h0"] == State.off) {
-      assert(lv["h1"] == State.off);
-      assert(lv["h2"] == State.off);
-      assert(lv["h3"] == State.off);
-      assert(lv["h4"] == State.off);
-      assert(lv["h5"] == State.off);
-      assert(lv["h6"] == State.off);
-      assert(lv["h7"] == State.off);
+    if (lv["h0"] == eN.bi.off) {
+      assert(lv["h1"] == eN.bi.off);
+      assert(lv["h2"] == eN.bi.off);
+      assert(lv["h3"] == eN.bi.off);
+      assert(lv["h4"] == eN.bi.off);
+      assert(lv["h5"] == eN.bi.off);
+      assert(lv["h6"] == eN.bi.off);
+      assert(lv["h7"] == eN.bi.off);
     }
-    if (lv["h1"] == State.off) {
-      assert(lv["h2"] == State.off);
-      assert(lv["h3"] == State.off);
+    if (lv["h1"] == eN.bi.off) {
+      assert(lv["h2"] == eN.bi.off);
+      assert(lv["h3"] == eN.bi.off);
     }
-    if (lv["h2"] == State.off) {
-      assert(lv["h3"] == State.off);
+    if (lv["h2"] == eN.bi.off) {
+      assert(lv["h3"] == eN.bi.off);
     }
-    if (lv["h3"] == State.off) {
+    if (lv["h3"] == eN.bi.off) {
     }
-    if (lv["h4"] == State.off) {
-      assert(lv["h5"] == State.off);
-      assert(lv["h6"] == State.off);
-      assert(lv["h7"] == State.off);
+    if (lv["h4"] == eN.bi.off) {
+      assert(lv["h5"] == eN.bi.off);
+      assert(lv["h6"] == eN.bi.off);
+      assert(lv["h7"] == eN.bi.off);
     }
-    if (lv["h5"] == State.off) {
-      assert(lv["h6"] == State.off);
-      assert(lv["h7"] == State.off);
+    if (lv["h5"] == eN.bi.off) {
+      assert(lv["h6"] == eN.bi.off);
+      assert(lv["h7"] == eN.bi.off);
     }
-    if (lv["h6"] == State.off) {
-      assert(lv["h7"] == State.off);
+    if (lv["h6"] == eN.bi.off) {
+      assert(lv["h7"] == eN.bi.off);
     }
-    if (lv["h7"] == State.off) {
+    if (lv["h7"] == eN.bi.off) {
     }
     switch ((an_object["lev"]).to!string) {
     case "A":
-      if (lv["h0"] == State.off) {
-        assert(lv["h1"] == State.off);
-        assert(lv["h2"] == State.off);
-        assert(lv["h3"] == State.off);
-        assert(lv["h4"] == State.off);
-        assert(lv["h5"] == State.off);
-        assert(lv["h6"] == State.off);
-        assert(lv["h7"] == State.off);
-      } else {                       // (lv["h0"] > State.off)
-        assert(lv["h0"] == State.off,"error should not enter level A a second time");
+      if (lv["h0"] == eN.bi.off) {
+        assert(lv["h1"] == eN.bi.off);
+        assert(lv["h2"] == eN.bi.off);
+        assert(lv["h3"] == eN.bi.off);
+        assert(lv["h4"] == eN.bi.off);
+        assert(lv["h5"] == eN.bi.off);
+        assert(lv["h6"] == eN.bi.off);
+        assert(lv["h7"] == eN.bi.off);
+      } else {                       // (lv["h0"] > eN.bi.off)
+        assert(lv["h0"] == eN.bi.off,"error should not enter level A a second time");
       }
       break;
     case "B":
-      if (lv["h1"] == State.off) {
-        assert(lv["h0"] > State.off);
-        assert(lv["h2"] == State.off);
-        assert(lv["h3"] == State.off);
-      } else {                       // (lv["h1"] > State.off)
-        assert(lv["h0"] > State.off);
-        assert(lv["h1"] > State.off);
+      if (lv["h1"] == eN.bi.off) {
+        assert(lv["h0"] > eN.bi.off);
+        assert(lv["h2"] == eN.bi.off);
+        assert(lv["h3"] == eN.bi.off);
+      } else {                       // (lv["h1"] > eN.bi.off)
+        assert(lv["h0"] > eN.bi.off);
+        assert(lv["h1"] > eN.bi.off);
       }
       break;
     case "C":
-      if (lv["h2"] == State.off) {
-        assert(lv["h0"] > State.off);
-        assert(lv["h1"] > State.off);
-        assert(lv["h3"] == State.off);
-      } else {                       // (lv["h2"] > State.off)
-        assert(lv["h0"] > State.off);
-        assert(lv["h1"] > State.off);
-        assert(lv["h2"] > State.off);
+      if (lv["h2"] == eN.bi.off) {
+        assert(lv["h0"] > eN.bi.off);
+        assert(lv["h1"] > eN.bi.off);
+        assert(lv["h3"] == eN.bi.off);
+      } else {                       // (lv["h2"] > eN.bi.off)
+        assert(lv["h0"] > eN.bi.off);
+        assert(lv["h1"] > eN.bi.off);
+        assert(lv["h2"] > eN.bi.off);
       }
       break;
     case "D":
-      if (lv["h3"] == State.off) {
-        assert(lv["h0"] > State.off);
-        assert(lv["h1"] > State.off);
-        assert(lv["h2"] > State.off);
-      } else {                      // (lv["h3"] > State.off)
-        assert(lv["h0"] > State.off);
-        assert(lv["h1"] > State.off);
-        assert(lv["h2"] > State.off);
-        assert(lv["h3"] > State.off);
+      if (lv["h3"] == eN.bi.off) {
+        assert(lv["h0"] > eN.bi.off);
+        assert(lv["h1"] > eN.bi.off);
+        assert(lv["h2"] > eN.bi.off);
+      } else {                      // (lv["h3"] > eN.bi.off)
+        assert(lv["h0"] > eN.bi.off);
+        assert(lv["h1"] > eN.bi.off);
+        assert(lv["h2"] > eN.bi.off);
+        assert(lv["h3"] > eN.bi.off);
       }
       break;
     case "1":
-      if (lv["h4"] == State.off) {
-        assert(lv["h0"] > State.off);
-      } else {                      // (lv["h4"] > State.off)
-        assert(lv["h0"] > State.off);
-        assert(lv["h4"] > State.off);
+      if (lv["h4"] == eN.bi.off) {
+        assert(lv["h0"] > eN.bi.off);
+      } else {                      // (lv["h4"] > eN.bi.off)
+        assert(lv["h0"] > eN.bi.off);
+        assert(lv["h4"] > eN.bi.off);
       }
       break;
     case "2":
-      if (lv["h5"] == State.off) {
-        assert(lv["h0"] > State.off);
-        assert(lv["h4"] > State.off);
-      } else {                      // (lv["h5"] > State.off)
-        assert(lv["h0"] > State.off);
-        assert(lv["h4"] > State.off);
-        assert(lv["h5"] > State.off);
+      if (lv["h5"] == eN.bi.off) {
+        assert(lv["h0"] > eN.bi.off);
+        assert(lv["h4"] > eN.bi.off);
+      } else {                      // (lv["h5"] > eN.bi.off)
+        assert(lv["h0"] > eN.bi.off);
+        assert(lv["h4"] > eN.bi.off);
+        assert(lv["h5"] > eN.bi.off);
       }
       break;
     case "3":
-      if (lv["h6"] == State.off) {
-        assert(lv["h0"] > State.off);
-        assert(lv["h4"] > State.off);
-        assert(lv["h5"] > State.off);
-      } else {                      // (lv["h6"] > State.off)
-        assert(lv["h0"] > State.off);
-        assert(lv["h4"] > State.off);
-        assert(lv["h5"] > State.off);
-        assert(lv["h6"] > State.off);
+      if (lv["h6"] == eN.bi.off) {
+        assert(lv["h0"] > eN.bi.off);
+        assert(lv["h4"] > eN.bi.off);
+        assert(lv["h5"] > eN.bi.off);
+      } else {                      // (lv["h6"] > eN.bi.off)
+        assert(lv["h0"] > eN.bi.off);
+        assert(lv["h4"] > eN.bi.off);
+        assert(lv["h5"] > eN.bi.off);
+        assert(lv["h6"] > eN.bi.off);
       }
       break;
     case "4":
-      if (lv["h7"] == State.off) {
-        assert(lv["h0"] > State.off);
-        assert(lv["h4"] > State.off);
-        assert(lv["h5"] > State.off);
-        assert(lv["h6"] > State.off);
-      } else {                      // (lv["h7"] > State.off)
-        assert(lv["h0"] > State.off);
-        assert(lv["h4"] > State.off);
-        assert(lv["h5"] > State.off);
-        assert(lv["h6"] > State.off);
-        assert(lv["h7"] > State.off);
+      if (lv["h7"] == eN.bi.off) {
+        assert(lv["h0"] > eN.bi.off);
+        assert(lv["h4"] > eN.bi.off);
+        assert(lv["h5"] > eN.bi.off);
+        assert(lv["h6"] > eN.bi.off);
+      } else {                      // (lv["h7"] > eN.bi.off)
+        assert(lv["h0"] > eN.bi.off);
+        assert(lv["h4"] > eN.bi.off);
+        assert(lv["h5"] > eN.bi.off);
+        assert(lv["h6"] > eN.bi.off);
+        assert(lv["h7"] > eN.bi.off);
       }
       break;
     default:
@@ -6161,24 +6178,24 @@ template docAbstraction() {
   }
   @safe pure void assertions_flag_types_block_status_none_or_closed()(int[string] obj_type_status) {
     assert(
-      (obj_type_status["code"] == TriState.off)
-      || (obj_type_status["code"] == TriState.closing),
+      (obj_type_status["code"] == eN.tri.off)
+      || (obj_type_status["code"] == eN.tri.closing),
       "code block status: off or closing");
     assert(
-      (obj_type_status["poem"] == TriState.off)
-      || (obj_type_status["poem"] == TriState.closing),
+      (obj_type_status["poem"] == eN.tri.off)
+      || (obj_type_status["poem"] == eN.tri.closing),
       "poem status: off or closing");
     assert(
-      (obj_type_status["table"] == TriState.off)
-      || (obj_type_status["table"] == TriState.closing),
+      (obj_type_status["table"] == eN.tri.off)
+      || (obj_type_status["table"] == eN.tri.closing),
       "table status: off or closing");
     assert(
-      (obj_type_status["group"] == TriState.off)
-      || (obj_type_status["group"] == TriState.closing),
+      (obj_type_status["group"] == eN.tri.off)
+      || (obj_type_status["group"] == eN.tri.closing),
       "group block status: off or closing");
     assert(
-      (obj_type_status["block"] == TriState.off)
-      || (obj_type_status["block"] == TriState.closing),
+      (obj_type_status["block"] == eN.tri.off)
+      || (obj_type_status["block"] == eN.tri.closing),
       "block status: off or closing");
   }
                                                                                 /+ abstraction functions assertions ↑ +/