renaming

2 files changed, 429 insertions, 444 deletions

diff --git a/org/default_misc.org b/org/default_misc.org
index 2ba2b8d..ab7033f 100644
--- a/org/default_misc.org
+++ b/org/default_misc.org
@@ -37,38 +37,6 @@ module doc_reform.meta.defaults;
 
 #+NAME: meta_defaults_template_init_flags
 #+BEGIN_SRC d
-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/org/metaverse.org b/org/metaverse.org
index 88c5e59..0192f1a 100644
--- a/org/metaverse.org
+++ b/org/metaverse.org
@@ -54,7 +54,7 @@ template docAbstraction() {
     foreach (line; markup_sourcefile_content) {                                 /+ ↓ markup document/text line by line +/
                                                                                 // "line" variable can be empty but should never be null
       <<abs_in_loop_body_00>>
-      if (obj_type_status["code"] == TriState.on) {
+      if (obj_type_status["code"] == eN.tri.on) {
         <<abs_in_loop_body_00_code_block>>
       } else if (!matchFirst(line, rgx.skip_from_regular_parse)) {              /+ object other than "code block" object +/
                                                                                 /+ (includes regular text paragraph, headings & blocks other than code) +/
@@ -67,7 +67,7 @@ template docAbstraction() {
           } else if (!line.empty) {                                             /+ line not empty +/
                                                                                 /+ non blocks (headings, paragraphs) & closed blocks +/
             <<abs_in_loop_body_not_block_obj>>
-          } 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 +/
             <<abs_in_loop_body_not_block_obj_line_empty_blocks_flags>>
           } else {                                                              /+ line.empty, post contents, empty variables: +/
             <<abs_in_loop_body_not_block_obj_line_empty>>
@@ -163,6 +163,30 @@ import
 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();
+}
 #+END_SRC
 
 *** initialize                                                 :initialize:
@@ -184,8 +208,6 @@ string lev_anchor_tag;
 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,
@@ -198,7 +220,6 @@ enum DocStructMarkupHeading {
   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, }
@@ -536,7 +557,6 @@ scope(exit) {
 #+NAME: abs_init_rest
 #+BEGIN_SRC d
 mixin spineRgxDocStructFlags;
-mixin spineDocStatus;
 mixin spineNode;
 auto node_para_int_    = node_metadata_para_int;
 auto node_para_str_    = node_metadata_para_str;
@@ -560,7 +580,7 @@ uint[string] dochas = [
   "images"            : 0,
 ];
 auto obj_type_status = flags_type_init;
-int[string] track = [
+int[string] track_state = [
   "section" : 0,
   "block"   : 0,
   "obj"     : 0,
@@ -572,26 +592,26 @@ string[string] object_number_poem = [
 ];
 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)",
@@ -746,15 +766,15 @@ line = line.inline_markup_faces; // by text line (rather than by text object), l
 #+NAME: abs_in_loop_body_non_code_obj
 #+BEGIN_SRC d
 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);
@@ -775,7 +795,7 @@ if there is a glossary section you need to:
 #+NAME: abs_in_loop_body_non_code_obj
 #+BEGIN_SRC d
 } 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)))
@@ -786,15 +806,15 @@ if there is a glossary section you need to:
     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)) {
       {
@@ -883,13 +903,13 @@ if there is a blurb section you need to:
 #+NAME: abs_in_loop_body_non_code_obj
 #+BEGIN_SRC d
 } 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);
@@ -929,8 +949,8 @@ if there is a blurb section you need to:
       ];
       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)) {
       {
@@ -1036,7 +1056,7 @@ if there is a blurb section you need to:
 
 #+NAME: abs_in_loop_body_non_code_obj
 #+BEGIN_SRC d
-} 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);
@@ -1049,7 +1069,7 @@ if there is a blurb section you need to:
 #+NAME: abs_in_loop_body_non_code_obj
 #+BEGIN_SRC d
 /+ 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)
@@ -1062,7 +1082,7 @@ if there is a blurb section you need to:
 
 #+NAME: abs_in_loop_body_non_code_obj
 #+BEGIN_SRC d
-} 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);
@@ -1078,7 +1098,7 @@ if there is a blurb section you need to:
 
 #+NAME: abs_in_loop_body_non_code_obj
 #+BEGIN_SRC d
-} 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;
 #+END_SRC
@@ -1087,7 +1107,7 @@ if there is a blurb section you need to:
 
 #+NAME: abs_in_loop_body_non_code_obj
 #+BEGIN_SRC d
-} 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;
 #+END_SRC
@@ -1098,8 +1118,8 @@ if there is a blurb section you need to:
 #+NAME: abs_in_loop_body_open_block_obj_assert
 #+BEGIN_SRC d
 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);
@@ -1128,11 +1148,11 @@ assert(
   "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);
@@ -1140,7 +1160,7 @@ if (obj_type_status["blocks"] == TriState.closing) {
   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 ~ "\""
   );
@@ -1153,8 +1173,8 @@ if (obj_type_status["blocks"] == TriState.closing) {
 #+BEGIN_SRC d
 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);
 #+END_SRC
 
 ******* not book index [+1]
@@ -1190,19 +1210,19 @@ if (line.matchFirst(rgx.book_index_item)
 
 #+NAME: abs_in_loop_body_not_block_obj
 #+BEGIN_SRC d
-  } 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,
@@ -1221,9 +1241,9 @@ if (line.matchFirst(rgx.book_index_item)
         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)
@@ -1236,7 +1256,7 @@ if (line.matchFirst(rgx.book_index_item)
 
 #+NAME: abs_in_loop_body_not_block_obj
 #+BEGIN_SRC d
-  } else if (line_occur["heading"] > State.off) {                              /+ heading +/
+  } else if (line_occur["heading"] > eN.bi.off) {                              /+ heading +/
     debug(heading) {
       writeln(line);
     }
@@ -1248,7 +1268,7 @@ if (line.matchFirst(rgx.book_index_item)
 
 #+NAME: abs_in_loop_body_not_block_obj
 #+BEGIN_SRC d
-  } else if (line_occur["para"] > State.off) {                                 /+ paragraph +/
+  } else if (line_occur["para"] > eN.bi.off) {                                 /+ paragraph +/
     debug(para) {
       writeln(an_object_key, "-> ", line);
     }
@@ -1291,7 +1311,7 @@ assert(
   ~ line ~ "\""
 );
 assert(
-  (obj_type_status["blocks"] == State.off),
+  (obj_type_status["blocks"] == eN.bi.off),
   "code block status: none"
 );
 #+END_SRC
@@ -1305,8 +1325,8 @@ if (_new_doc) {
   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"]);
@@ -1433,8 +1453,8 @@ if ((obj_type_status["heading"] == State.on)
 
 #+NAME: abs_in_loop_body_not_block_obj_line_empty
 #+BEGIN_SRC d
-} 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)) {
@@ -1512,7 +1532,7 @@ if (the_document_body_section.length > 0) {
   && (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) {
@@ -3134,10 +3154,10 @@ functions used in document abstraction
   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;
 }
 #+END_SRC
@@ -3165,7 +3185,7 @@ functions used in document abstraction
       }
       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);
@@ -3173,18 +3193,18 @@ functions used in document abstraction
       }
     } 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"];
@@ -3197,7 +3217,7 @@ functions used in document abstraction
     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);
       }
@@ -3296,9 +3316,9 @@ functions used in document abstraction
         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;
 #+END_SRC
 
 ******* poem
@@ -3317,10 +3337,10 @@ functions used in document abstraction
       );
     }
     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;
 #+END_SRC
 
 ******* group
@@ -3338,9 +3358,9 @@ functions used in document abstraction
         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;
 #+END_SRC
 
 ******* block
@@ -3358,9 +3378,9 @@ functions used in document abstraction
         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;
 #+END_SRC
 
 ******* quote
@@ -3378,9 +3398,9 @@ functions used in document abstraction
         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;
 #+END_SRC
 
 ******* table
@@ -3397,9 +3417,9 @@ functions used in document abstraction
     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;
 #+END_SRC
 
 ******* table special
@@ -3410,9 +3430,9 @@ functions used in document abstraction
     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;
 #+END_SRC
 
 ****** block (various) tic open                                    :tic:
@@ -3431,9 +3451,9 @@ functions used in document abstraction
         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;
 #+END_SRC
 
 ******* poem
@@ -3452,10 +3472,10 @@ functions used in document abstraction
       );
     }
     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;
 #+END_SRC
 
 ******* group
@@ -3473,9 +3493,9 @@ functions used in document abstraction
         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;
 #+END_SRC
 
 ******* block
@@ -3493,9 +3513,9 @@ functions used in document abstraction
         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;
 #+END_SRC
 
 ******* quote
@@ -3513,9 +3533,9 @@ functions used in document abstraction
         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;
 #+END_SRC
 
 ******* table
@@ -3532,9 +3552,9 @@ functions used in document abstraction
     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;
   }
 #+END_SRC
 
@@ -3556,7 +3576,7 @@ functions used in document abstraction
   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);
@@ -3564,16 +3584,16 @@ functions used in document abstraction
       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);
@@ -3581,9 +3601,9 @@ functions used in document abstraction
       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);
@@ -3657,14 +3677,13 @@ final string biblio_tag_map_()(string abr) {
   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 {
@@ -3675,12 +3694,12 @@ final string biblio_tag_map_()(string abr) {
         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) {
@@ -3701,7 +3720,7 @@ final string biblio_tag_map_()(string abr) {
       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);
@@ -3785,30 +3804,30 @@ final string biblio_tag_map_()(string abr) {
   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);
@@ -3833,30 +3852,30 @@ final string biblio_tag_map_()(string abr) {
   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);
@@ -3882,30 +3901,30 @@ final string biblio_tag_map_()(string abr) {
   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);
@@ -3933,7 +3952,7 @@ why extra object stuff only in poem/verse?
              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) {
@@ -3991,20 +4010,20 @@ why extra object stuff only in poem/verse?
         ++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
@@ -4053,7 +4072,7 @@ why extra object stuff only in poem/verse?
         ++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) {
@@ -4099,20 +4118,20 @@ why extra object stuff only in poem/verse?
         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
@@ -4194,25 +4213,25 @@ you need:
   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,
@@ -4228,14 +4247,14 @@ you need:
       }
       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);
@@ -4326,7 +4345,7 @@ process and use an_object["table_head"] (then empty it)
     ~ 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);
@@ -4337,7 +4356,7 @@ process and use an_object["table_head"] (then empty it)
 
 #+NAME: abs_functions_block_line_status_empty
 #+BEGIN_SRC d
-  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"] : "";
@@ -4383,8 +4402,8 @@ process and use an_object["table_head"] (then empty it)
     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;
@@ -4394,7 +4413,7 @@ process and use an_object["table_head"] (then empty it)
 
 #+NAME: abs_functions_block_line_status_empty
 #+BEGIN_SRC d
-  } 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"] : "";
@@ -4440,8 +4459,8 @@ process and use an_object["table_head"] (then empty it)
     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;
@@ -4451,7 +4470,7 @@ process and use an_object["table_head"] (then empty it)
 
 #+NAME: abs_functions_block_line_status_empty
 #+BEGIN_SRC d
-  } 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"] : "";
@@ -4496,8 +4515,8 @@ process and use an_object["table_head"] (then empty it)
     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;
@@ -4507,7 +4526,7 @@ process and use an_object["table_head"] (then empty it)
 
 #+NAME: abs_functions_block_line_status_empty
 #+BEGIN_SRC d
-  } 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
@@ -4540,8 +4559,8 @@ process and use an_object["table_head"] (then empty it)
     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");
 #+END_SRC
@@ -4550,7 +4569,7 @@ process and use an_object["table_head"] (then empty it)
 
 #+NAME: abs_functions_block_line_status_empty
 #+BEGIN_SRC d
-  } 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"] : "";
@@ -4596,8 +4615,8 @@ process and use an_object["table_head"] (then empty it)
     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;
@@ -4607,7 +4626,7 @@ process and use an_object["table_head"] (then empty it)
 
 #+NAME: abs_functions_block_line_status_empty
 #+BEGIN_SRC d
-  } 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"]
@@ -4644,8 +4663,8 @@ process and use an_object["table_head"] (then empty it)
     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;
@@ -4669,10 +4688,9 @@ process and use an_object["table_head"] (then empty it)
              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) {
@@ -4683,7 +4701,7 @@ process and use an_object["table_head"] (then empty it)
     }
     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) {
@@ -4693,9 +4711,9 @@ process and use an_object["table_head"] (then empty it)
         );
       }
     }
-  } 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;
@@ -4732,7 +4750,7 @@ process and use an_object["table_head"] (then empty it)
 ) {
   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);
     }
@@ -4800,7 +4818,7 @@ process and use an_object["table_head"] (then empty it)
     default:
       break;
     }
-    obj_type_status["make_headings"] = State.on;
+    obj_type_status["make_headings"] = eN.bi.on;
   }
   return heading_match_str;
 }
@@ -4816,11 +4834,11 @@ process and use an_object["table_head"] (then empty it)
   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) {
@@ -4881,16 +4899,15 @@ process and use an_object["table_head"] (then empty it)
   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];
@@ -4914,13 +4931,13 @@ process and use an_object["table_head"] (then empty it)
         = 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;
@@ -4928,12 +4945,12 @@ process and use an_object["table_head"] (then empty it)
         = 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;
@@ -4941,11 +4958,11 @@ process and use an_object["table_head"] (then empty it)
         = 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;
@@ -4953,61 +4970,61 @@ process and use an_object["table_head"] (then empty it)
         = 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;
@@ -5018,7 +5035,7 @@ process and use an_object["table_head"] (then empty it)
     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);
     }
@@ -5041,10 +5058,10 @@ process and use an_object["table_head"] (then empty it)
   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,
@@ -7171,13 +7188,13 @@ struct NodeStructureMetadata {
     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 {
@@ -7290,15 +7307,15 @@ struct NodeStructureMetadata {
       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;
@@ -7428,171 +7445,171 @@ struct NodeStructureMetadata {
   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:
@@ -7607,24 +7624,24 @@ struct NodeStructureMetadata {
 #+BEGIN_SRC d
 @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");
 }
 #+END_SRC