ocda, structs (replacing tuples)

1 files changed, 238 insertions, 233 deletions

diff --git a/src/doc_reform/meta/metadoc_from_src.d b/src/doc_reform/meta/metadoc_from_src.d
index d8b3b75..e1779ad 100644
--- a/src/doc_reform/meta/metadoc_from_src.d
+++ b/src/doc_reform/meta/metadoc_from_src.d
@@ -193,28 +193,29 @@ template docAbstraction() {
   int[] dom_structure_markedup_tags_status_buffer  = [ 0, 0, 0, 0, 0, 0, 0, 0, 0,];
   int[] dom_structure_collapsed_tags_status        = [ 0, 0, 0, 0, 0, 0, 0, 0, 0,];
   int[] dom_structure_collapsed_tags_status_buffer = [ 0, 0, 0, 0, 0, 0, 0, 0, 0,];
-  alias TxtPlusHasFootnotes = Tuple!(
-    string, "obj_txt",
-    bool,   "has_notes_reg",
-    bool,   "has_notes_star",
-    bool,   "has_notes_plus",
-  );
-  alias TxtPlusHasFootnotesUrlsImages = Tuple!(
-    string, "obj_txt",
-    bool,   "has_notes_reg",
-    bool,   "has_notes_star",
-    bool,   "has_notes_plus",
-    bool,   "has_urls",
-    bool,   "has_images_without_dimensions",
-  );
-  alias TxtAndAnchorTagPlusHasFootnotesUrlsImages = Tuple!(
-     string, "obj_txt",
-     string, "anchor_tag",
-     bool,   "has_notes_reg",
-     bool,   "has_notes_star",
-     bool,   "has_links",
-     bool,   "has_images_without_dimensions",
-  );
+  struct  ST_txtPlusHasFootnotes {
+    string           obj_txt;
+    bool             has_notes_reg;
+    bool             has_notes_star;
+    bool             has_notes_plus;
+  }
+  struct ST_txtPlusHasFootnotesUrlsImages {
+    string           obj_txt;
+    bool             has_notes_reg;
+    bool             has_notes_star;
+    bool             has_notes_plus;
+    bool             has_urls;
+    bool             has_images_without_dimensions;
+  }
+  struct ST_txtAndAnchorTagPlusHasFootnotesUrlsImages {
+    string           obj_txt;
+    string           anchor_tag;
+    bool             has_notes_reg;
+    bool             has_notes_star;
+    bool             has_notes_plus;
+    bool             has_links; // use same name
+    bool             has_images_without_dimensions;
+  }
   enum DomTags { none, open, close, close_and_open, open_still, }
   @safe pure ObjGenericComposite obj_heading_ancestors()(
     ObjGenericComposite  obj,
@@ -413,7 +414,6 @@ template docAbstraction() {
   // node
   ObjGenericComposite comp_obj_heading, comp_obj_location, comp_obj_block, comp_obj_code, comp_obj_poem_ocn, comp_obj_comment;
   auto node_construct = NodeStructureMetadata();
-  enum sObj { content, anchor_tag, notes_reg, notes_star, links, image_no_dimensions }
   @safe string[string][string] inline_para_link_anchor()(
     string[string]          an_object,
     string[string]          tag_in_seg,
@@ -430,47 +430,47 @@ template docAbstraction() {
     }
     return tag_assoc;
   }
-  struct retStruct_txt_by_line_common_reset {
+  struct ST_txt_by_line_common_reset {
     int[string]     line_occur;
     string[string]  this_object;
     uint[string]    pith;
   }
-  struct retStruct_txt_by_line_block_start {
+  struct ST_txt_by_line_block_start {
     uint[string]    pith;
     uint[string]    dochas;
     string[string]  object_number_poem;
   }
-  struct retStruct_txt_by_line_block_generic {
+  struct ST_txt_by_line_block_generic {
     uint[string]    pith;
     string[string]  this_object;
   }
-  struct retStruct_txt_by_line_block_poem {
+  struct ST_txt_by_line_block_poem {
     int             cntr;
     uint[string]    pith;
     string[string]  this_object;
   }
-  struct retStruct_txt_by_line_block_biblio {
+  struct ST_txt_by_line_block_biblio {
     uint[string]    pith;
     int             bib_entry;
     string          biblio_entry_str_json;
     string[]        biblio_arr_json;
   }
-  struct retStruct_flow_book_index {
+  struct ST_flow_book_index {
     string[string]  this_object;
     uint[string]    pith;
     string          book_idx_tmp;
   }
-  struct retStruct_flow_heading_found {
+  struct ST_flow_heading_found {
     string[string]       heading_match_str;
     Regex!(char)[string] heading_match_rgx;
     uint[string]         pith;
   }
-  struct retStruct_flow_heading_make_set {
+  struct ST_flow_heading_make_set {
     char[]          line;
     uint[string]    pith;
     string[string]  this_object;
   }
-  struct retStruct_flow_para_match {
+  struct ST_flow_para_match {
     uint[string]    pith;
     string[string]  this_object;
     string          this_object_key;
@@ -478,20 +478,20 @@ template docAbstraction() {
     bool            bullet;
     int[string]     line_occur;
   }
-  struct retStruct_flow_table_array_munge {
+  struct ST_flow_table_array_munge {
     ObjGenericComposite table_object;
     string[][]          table_array;
   }
-  struct retStruct_flow_table_of_contents_gather_headings {
+  struct ST_flow_table_of_contents_gather_headings {
     ObjGenericComposite[] the_document_toc_section;
     string[][string]      lev4_subtoc;
   }
-  struct retStruct_flow_bibliography {
+  struct ST_flow_bibliography {
     JSONValue[] biblio_sorted;
     JSONValue[] bib_arr_json;
     string[]    biblio_unsorted_incomplete;
   }
-  struct retStruct_flow_table_closed_make_special_notation_table {
+  struct ST_flow_table_closed_make_special_notation_table {
     string[string]        this_object;
     ObjGenericComposite[] the_document_body_section;
     OCNset                obj_cite_digits;
@@ -499,7 +499,7 @@ template docAbstraction() {
     int                   cntr;
     uint[string]          pith;
   }
-  struct retStruct_flow_block_flag_line_empty {
+  struct ST_flow_block_flag_line_empty {
     string[string]           this_object;
     ObjGenericComposite[]    the_document_body_section;
     string[][string][string] bookindex_unordered_hashes;
@@ -508,7 +508,7 @@ template docAbstraction() {
     int                      cntr;
     uint[string]             pith;
   }
-  struct retStruct_flow_table_substantive_munge {
+  struct ST_flow_table_substantive_munge {
     ObjGenericComposite  table_object;
     string               table_substantive;
   }
@@ -1286,10 +1286,10 @@ template docAbstraction() {
                 : ocn_emit(pith["ocn"]);
                 an_object["is"] = "heading";
                 an_object_key = "body_nugget";
-                TxtAndAnchorTagPlusHasFootnotesUrlsImages substantive_object_and_anchor_tags_tuple
+                ST_txtAndAnchorTagPlusHasFootnotesUrlsImages substantive_object_and_anchor_tags_struct
                   = obj_im.obj_inline_markup_and_anchor_tags_and_misc(an_object, an_object_key, conf_make_meta, ((_new_doc) ? Yes._new_doc : No._new_doc));
-                an_object["substantive"] = substantive_object_and_anchor_tags_tuple[sObj.content];
-                anchor_tag = substantive_object_and_anchor_tags_tuple[sObj.anchor_tag];
+                an_object["substantive"] = substantive_object_and_anchor_tags_struct.obj_txt;
+                anchor_tag = substantive_object_and_anchor_tags_struct.anchor_tag;
                 if (_new_doc) {
                   cnt1 = 1;
                   cnt2 = 1;
@@ -1389,9 +1389,9 @@ template docAbstraction() {
                     lv_ancestors_txt,                             // string[]
                     an_object["is"],                              // string
                     html_segnames_ptr,                            // int
-                    substantive_object_and_anchor_tags_tuple[sObj.notes_reg],
-                    substantive_object_and_anchor_tags_tuple[sObj.notes_star],
-                    substantive_object_and_anchor_tags_tuple[sObj.links],
+                    substantive_object_and_anchor_tags_struct.has_notes_reg,
+                    substantive_object_and_anchor_tags_struct.has_notes_star,
+                    substantive_object_and_anchor_tags_struct.has_links,
                   );
                 ++heading_ptr;
                 debug(segments) {
@@ -1433,10 +1433,10 @@ template docAbstraction() {
                     heading_ptr-1,
                     an_object["is"],
                   );
-                TxtAndAnchorTagPlusHasFootnotesUrlsImages substantive_obj_misc_tuple
+                ST_txtAndAnchorTagPlusHasFootnotesUrlsImages substantive_obj_misc_struct
                   = obj_im.obj_inline_markup_and_anchor_tags_and_misc(an_object, an_object_key, conf_make_meta, No._new_doc);
-                an_object["substantive"] = substantive_obj_misc_tuple[sObj.content];
-                anchor_tag = substantive_obj_misc_tuple[sObj.anchor_tag];
+                an_object["substantive"] = substantive_obj_misc_struct.obj_txt;
+                anchor_tag = substantive_obj_misc_struct.anchor_tag;
                 comp_obj_para                                       = comp_obj_para.init;
                 comp_obj_para.metainfo.is_of_part                   = "body";
                 comp_obj_para.metainfo.is_of_section                = "body";
@@ -1454,10 +1454,10 @@ template docAbstraction() {
                 comp_obj_para.attrib.indent_base                    = indent["base_position"];
                 comp_obj_para.attrib.bullet                         = bullet;
                 comp_obj_para.tags.anchor_tags                      = [anchor_tag]; anchor_tag="";
-                comp_obj_para.has.inline_notes_reg                  = substantive_obj_misc_tuple[sObj.notes_reg];
-                comp_obj_para.has.inline_notes_star                 = substantive_obj_misc_tuple[sObj.notes_star];
-                comp_obj_para.has.inline_links                      = substantive_obj_misc_tuple[sObj.links];
-                comp_obj_para.has.image_without_dimensions          = substantive_obj_misc_tuple[sObj.image_no_dimensions];
+                comp_obj_para.has.inline_notes_reg                  = substantive_obj_misc_struct.has_notes_reg;
+                comp_obj_para.has.inline_notes_star                 = substantive_obj_misc_struct.has_notes_star;
+                comp_obj_para.has.inline_links                      = substantive_obj_misc_struct.has_links;
+                comp_obj_para.has.image_without_dimensions          = substantive_obj_misc_struct.has_images_without_dimensions;
                 the_document_body_section                           ~= comp_obj_para;
                 tag_assoc                                           = an_object.inline_para_link_anchor(tag_in_seg, tag_assoc);
                 {
@@ -2756,18 +2756,18 @@ template docAbstraction() {
     @safe auto doc_has() {
       return DocHas_();
     }
-    struct retStruct_docAbstraction {
+    struct ST_docAbstraction {
       ObjGenericComposite[][string] document_the;
       DocHas_                       doc_has;
     }
-    retStruct_docAbstraction ret;
+    ST_docAbstraction ret;
     {
       ret.document_the = document_the;
       ret.doc_has      = doc_has;
     }
     return ret;
   } // ← closed: abstract doc source
-  @system retStruct_txt_by_line_common_reset txt_by_line_common_reset_()(
+  @system ST_txt_by_line_common_reset txt_by_line_common_reset_()(
     int[string]     line_occur,
     string[string]  an_object,
     uint[string]    pith,
@@ -2776,7 +2776,7 @@ template docAbstraction() {
     line_occur["para"]                                  = eN.bi.off;
     pith["txt_is"]                                      = eN.txt_is.off;
     an_object                                           = an_object.object_reset;
-    retStruct_txt_by_line_common_reset ret;
+    ST_txt_by_line_common_reset ret;
     {
       ret.line_occur  = line_occur;
       ret.this_object = an_object;
@@ -2784,7 +2784,7 @@ template docAbstraction() {
     }
     return ret;
   }
-  @safe retStruct_txt_by_line_block_start txt_by_line_block_start()(
+  @safe ST_txt_by_line_block_start txt_by_line_block_start()(
     char[]         line,
     uint[string]   pith,
     uint[string]   dochas,
@@ -2910,7 +2910,7 @@ template docAbstraction() {
       pith["block_state"]             = eN.blk_state.on;
       pith["block_delim"]             = eN.blk_delim.tic;
     }
-    retStruct_txt_by_line_block_start ret;
+    ST_txt_by_line_block_start ret;
     {
       ret.pith               = pith;
       ret.dochas             = dochas;
@@ -2918,7 +2918,7 @@ template docAbstraction() {
     }
     return ret;
   }
-  @safe retStruct_txt_by_line_block_generic txt_by_line_block_quote()(
+  @safe ST_txt_by_line_block_generic txt_by_line_block_quote()(
     char[]          line,
     string[string]  an_object,
     uint[string]    pith,
@@ -2949,14 +2949,14 @@ template docAbstraction() {
         }
       }
     }
-    retStruct_txt_by_line_block_generic ret;
+    ST_txt_by_line_block_generic ret;
     {
       ret.pith        = pith;
       ret.this_object = an_object;
     }
     return ret;
   }
-  @safe retStruct_txt_by_line_block_generic txt_by_line_block_group()(
+  @safe ST_txt_by_line_block_generic txt_by_line_block_group()(
     char[]          line,
     string[string]  an_object,
     uint[string]    pith,
@@ -2987,14 +2987,14 @@ template docAbstraction() {
         }
       }
     }
-    retStruct_txt_by_line_block_generic ret;
+    ST_txt_by_line_block_generic ret;
     {
       ret.pith        = pith;
       ret.this_object = an_object;
     }
     return ret;
   }
-  @safe retStruct_txt_by_line_block_generic txt_by_line_block_block()(
+  @safe ST_txt_by_line_block_generic txt_by_line_block_block()(
     char[]          line,
     string[string]  an_object,
     uint[string]    pith,
@@ -3025,14 +3025,14 @@ template docAbstraction() {
         }
       }
     }
-    retStruct_txt_by_line_block_generic ret;
+    ST_txt_by_line_block_generic ret;
     {
       ret.pith        = pith;
       ret.this_object = an_object;
     }
     return ret;
   }
-  @safe retStruct_txt_by_line_block_poem txt_by_line_block_poem(CMM)(
+  @safe ST_txt_by_line_block_poem txt_by_line_block_poem(CMM)(
     char[]          line,
     string[string]  an_object,
     uint[string]    pith,
@@ -3059,10 +3059,10 @@ template docAbstraction() {
             if (an_object.length > 0) {
               debug(poem) { writeln( obj_cite_digits.object_number, an_object[an_object_key]); }
               an_object["is"]                                   = "verse";
-              TxtAndAnchorTagPlusHasFootnotesUrlsImages substantive_obj_misc_tuple
+              ST_txtAndAnchorTagPlusHasFootnotesUrlsImages substantive_obj_misc_struct
                 = obj_im.obj_inline_markup_and_anchor_tags_and_misc(an_object, an_object_key, conf_make_meta, No._new_doc);
-              an_object["substantive"]                          = substantive_obj_misc_tuple[sObj.content];
-              anchor_tag                                        = substantive_obj_misc_tuple[sObj.anchor_tag];
+              an_object["substantive"]                          = substantive_obj_misc_struct.obj_txt;
+              anchor_tag                                        = substantive_obj_misc_struct.anchor_tag;
               comp_obj_block                                    = comp_obj_block.init;
               comp_obj_block.metainfo.is_of_part                = "body";
               comp_obj_block.metainfo.is_of_section             = "body";
@@ -3076,9 +3076,9 @@ template docAbstraction() {
               comp_obj_block.tags.html_segment_anchor_tag_is    = tag_in_seg["seg_lv4"];
               comp_obj_block.tags.epub_segment_anchor_tag_is    = tag_in_seg["seg_lv1to4"];
               comp_obj_block.text                               = an_object["substantive"];
-              comp_obj_block.has.inline_notes_reg               = substantive_obj_misc_tuple[sObj.notes_reg];
-              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];
+              comp_obj_block.has.inline_notes_reg               = substantive_obj_misc_struct.has_notes_reg;
+              comp_obj_block.has.inline_notes_star              = substantive_obj_misc_struct.has_notes_star;
+              comp_obj_block.has.inline_links                   = substantive_obj_misc_struct.has_links;
               the_document_body_section                         ~= comp_obj_block;
               tag_assoc                                         = an_object.inline_para_link_anchor(tag_in_seg, tag_assoc);
             }
@@ -3121,10 +3121,10 @@ template docAbstraction() {
               heading_ptr-1,
               an_object["is"]
             );
-            TxtAndAnchorTagPlusHasFootnotesUrlsImages substantive_obj_misc_tuple
+            ST_txtAndAnchorTagPlusHasFootnotesUrlsImages substantive_obj_misc_struct
               = obj_im.obj_inline_markup_and_anchor_tags_and_misc(an_object, an_object_key, conf_make_meta, No._new_doc);
-            an_object["substantive"]                            = substantive_obj_misc_tuple[sObj.content];
-            anchor_tag                                          = substantive_obj_misc_tuple[sObj.anchor_tag];
+            an_object["substantive"]                            = substantive_obj_misc_struct.obj_txt;
+            anchor_tag                                          = substantive_obj_misc_struct.anchor_tag;
             comp_obj_block                                      = comp_obj_block.init;
             comp_obj_block.metainfo.is_of_part                  = "body";
             comp_obj_block.metainfo.is_of_section               = "body";
@@ -3138,9 +3138,9 @@ template docAbstraction() {
             comp_obj_block.tags.html_segment_anchor_tag_is      = tag_in_seg["seg_lv4"];
             comp_obj_block.tags.epub_segment_anchor_tag_is      = tag_in_seg["seg_lv1to4"];
             comp_obj_block.text                                 = an_object["substantive"];
-            comp_obj_block.has.inline_notes_reg                 = substantive_obj_misc_tuple[sObj.notes_reg];
-            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];
+            comp_obj_block.has.inline_notes_reg                 = substantive_obj_misc_struct.has_notes_reg;
+            comp_obj_block.has.inline_notes_star                = substantive_obj_misc_struct.has_notes_star;
+            comp_obj_block.has.inline_links                     = substantive_obj_misc_struct.has_links;
             the_document_body_section                           ~= comp_obj_block;
             tag_assoc                                           = an_object.inline_para_link_anchor(tag_in_seg, tag_assoc);
             object_reset(an_object);
@@ -3159,10 +3159,10 @@ template docAbstraction() {
             debug(poem) { writeln(__LINE__); writeln(obj_cite_digits.object_number, line); }
             processing.remove("verse");
             an_object["is"]                                     = "verse";
-            TxtAndAnchorTagPlusHasFootnotesUrlsImages substantive_obj_misc_tuple
+            ST_txtAndAnchorTagPlusHasFootnotesUrlsImages substantive_obj_misc_struct
               = obj_im.obj_inline_markup_and_anchor_tags_and_misc(an_object, an_object_key, conf_make_meta, No._new_doc);
-            an_object["substantive"]                            = substantive_obj_misc_tuple[sObj.content];
-            anchor_tag                                          = substantive_obj_misc_tuple[sObj.anchor_tag];
+            an_object["substantive"]                            = substantive_obj_misc_struct.obj_txt;
+            anchor_tag                                          = substantive_obj_misc_struct.anchor_tag;
             comp_obj_block                                      = comp_obj_block.init;
             comp_obj_block.metainfo.is_of_part                  = "body";
             comp_obj_block.metainfo.is_of_section               = "body";
@@ -3176,9 +3176,9 @@ template docAbstraction() {
             comp_obj_block.tags.html_segment_anchor_tag_is      = tag_in_seg["seg_lv4"];
             comp_obj_block.tags.epub_segment_anchor_tag_is      = tag_in_seg["seg_lv1to4"];
             comp_obj_block.text                                 = an_object["substantive"];
-            comp_obj_block.has.inline_notes_reg                 = substantive_obj_misc_tuple[sObj.notes_reg];
-            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];
+            comp_obj_block.has.inline_notes_reg                 = substantive_obj_misc_struct.has_notes_reg;
+            comp_obj_block.has.inline_notes_star                = substantive_obj_misc_struct.has_notes_star;
+            comp_obj_block.has.inline_links                     = substantive_obj_misc_struct.has_links;
             the_document_body_section                           ~= comp_obj_block;
             tag_assoc                                           = an_object.inline_para_link_anchor(tag_in_seg, tag_assoc);
             object_number_poem["end"]                           = obj_cite_digits.object_number.to!string;
@@ -3221,10 +3221,10 @@ template docAbstraction() {
                 heading_ptr-1,
                 an_object["is"]
               );
-            TxtAndAnchorTagPlusHasFootnotesUrlsImages substantive_obj_misc_tuple
+            ST_txtAndAnchorTagPlusHasFootnotesUrlsImages substantive_obj_misc_struct
               = obj_im.obj_inline_markup_and_anchor_tags_and_misc(an_object, an_object_key, conf_make_meta, No._new_doc);
-            an_object["substantive"]                            = substantive_obj_misc_tuple[sObj.content];
-            anchor_tag                                          = substantive_obj_misc_tuple[sObj.anchor_tag];
+            an_object["substantive"]                            = substantive_obj_misc_struct.obj_txt;
+            anchor_tag                                          = substantive_obj_misc_struct.anchor_tag;
             comp_obj_block                                      = comp_obj_block.init;
             comp_obj_block.metainfo.is_of_part                  = "body";
             comp_obj_block.metainfo.is_of_section               = "body";
@@ -3238,9 +3238,9 @@ template docAbstraction() {
             comp_obj_block.tags.html_segment_anchor_tag_is      = tag_in_seg["seg_lv4"];
             comp_obj_block.tags.epub_segment_anchor_tag_is      = tag_in_seg["seg_lv1to4"];
             comp_obj_block.text                                 = an_object["substantive"];
-            comp_obj_block.has.inline_notes_reg                 = substantive_obj_misc_tuple[sObj.notes_reg];
-            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];
+            comp_obj_block.has.inline_notes_reg                 = substantive_obj_misc_struct.has_notes_reg;
+            comp_obj_block.has.inline_notes_star                = substantive_obj_misc_struct.has_notes_star;
+            comp_obj_block.has.inline_links                     = substantive_obj_misc_struct.has_links;
             the_document_body_section                           ~= comp_obj_block;
             tag_assoc                                           = an_object.inline_para_link_anchor(tag_in_seg, tag_assoc);
             object_reset(an_object);
@@ -3250,7 +3250,7 @@ template docAbstraction() {
         }
       }
     }
-    retStruct_txt_by_line_block_poem ret;
+    ST_txt_by_line_block_poem ret;
     {
       ret.cntr        = cntr;
       ret.pith        = pith;
@@ -3258,7 +3258,7 @@ template docAbstraction() {
     }
     return ret;
   }
-  @safe retStruct_txt_by_line_block_generic txt_by_line_block_code()(
+  @safe ST_txt_by_line_block_generic txt_by_line_block_code()(
     char[]          line,
     string[string]  an_object,
     uint[string]    pith,
@@ -3293,7 +3293,7 @@ template docAbstraction() {
         }
       }
     }
-    retStruct_txt_by_line_block_generic ret;
+    ST_txt_by_line_block_generic ret;
     {
       ret.pith        = pith;
       ret.this_object = an_object;
@@ -3358,12 +3358,12 @@ template docAbstraction() {
         }
       }
     }
-    struct retStruct_txt_by_line_block_table {
+    struct ST_txt_by_line_block_table {
       CMM             conf_make_meta;
       uint[string]    pith;
       string[string]  this_object;
     }
-    retStruct_txt_by_line_block_table ret;
+    ST_txt_by_line_block_table ret;
     {
       ret.conf_make_meta = conf_make_meta,
       ret.pith           = pith;
@@ -3371,7 +3371,7 @@ template docAbstraction() {
     }
     return ret;
   }
-  @system retStruct_txt_by_line_block_biblio txt_by_line_block_biblio(
+  @system ST_txt_by_line_block_biblio txt_by_line_block_biblio(
     char[]                  line,
     uint[string] pith,
     int          bib_entry,
@@ -3497,7 +3497,7 @@ template docAbstraction() {
       }
       header_tag_value        = "";
     }
-    retStruct_txt_by_line_block_biblio ret;
+    ST_txt_by_line_block_biblio ret;
     {
       ret.pith                  = pith;
       ret.bib_entry             = bib_entry;
@@ -3603,7 +3603,7 @@ template docAbstraction() {
     }
     return line;
   }
-  @system retStruct_flow_table_closed_make_special_notation_table flow_table_closed_make_special_notation_table_(CMM)(
+  @system ST_flow_table_closed_make_special_notation_table flow_table_closed_make_special_notation_table_(CMM)(
     char[]                line,
     string[string]        an_object,
     ObjGenericComposite[] the_document_body_section,
@@ -3626,9 +3626,9 @@ template docAbstraction() {
         "table"
       );
     an_object["is"]                                             = "table";
-    TxtAndAnchorTagPlusHasFootnotesUrlsImages substantive_obj_misc_tuple
+    ST_txtAndAnchorTagPlusHasFootnotesUrlsImages substantive_obj_misc_struct
       = obj_im.obj_inline_markup_and_anchor_tags_and_misc(an_object, "body_nugget", conf_make_meta, No._new_doc);
-    an_object["substantive"]                                    = substantive_obj_misc_tuple[sObj.content];
+    an_object["substantive"]                                    = substantive_obj_misc_struct.obj_txt;
     comp_obj_block.metainfo.ocn                                 = obj_cite_digits.object_number;
     comp_obj_block.metainfo.identifier                          = obj_cite_digits.identifier;
     comp_obj_block.metainfo.object_number_off                   = obj_cite_digits.off;
@@ -3648,7 +3648,7 @@ template docAbstraction() {
     object_reset(an_object);
     processing.remove("verse");
     ++cntr;
-    retStruct_flow_table_closed_make_special_notation_table ret;
+    ST_flow_table_closed_make_special_notation_table ret;
     {
       ret.this_object               = an_object;
       ret.the_document_body_section = the_document_body_section;
@@ -3659,7 +3659,7 @@ template docAbstraction() {
     }
     return ret;
   }
-  @system retStruct_flow_block_flag_line_empty flow_block_flag_line_empty_(B,CMM,Ts)(
+  @system ST_flow_block_flag_line_empty flow_block_flag_line_empty_(B,CMM,Ts)(
     char[]                   line,
     string[string]           an_object,
     B                        bookindex_extract_hash,
@@ -3706,10 +3706,10 @@ template docAbstraction() {
             heading_ptr-1,
             an_object["is"]
           );
-        TxtAndAnchorTagPlusHasFootnotesUrlsImages substantive_obj_misc_tuple
+        ST_txtAndAnchorTagPlusHasFootnotesUrlsImages substantive_obj_misc_struct
           = obj_im.obj_inline_markup_and_anchor_tags_and_misc(an_object, an_object_key, conf_make_meta, No._new_doc);
-        an_object["substantive"]                                = substantive_obj_misc_tuple[sObj.content];
-        anchor_tag                                              = substantive_obj_misc_tuple[sObj.anchor_tag];
+        an_object["substantive"]                                = substantive_obj_misc_struct.obj_txt;
+        anchor_tag                                              = substantive_obj_misc_struct.anchor_tag;
         comp_obj_block                                          = comp_obj_block.init;
         comp_obj_block.metainfo.is_of_part                      = "body";
         comp_obj_block.metainfo.is_of_section                   = "body";
@@ -3725,9 +3725,9 @@ template docAbstraction() {
         comp_obj_block.tags.html_segment_anchor_tag_is          = tag_in_seg["seg_lv4"];
         comp_obj_block.tags.epub_segment_anchor_tag_is          = tag_in_seg["seg_lv1to4"];
         comp_obj_block.text                                     = an_object["substantive"];
-        comp_obj_block.has.inline_notes_reg                     = substantive_obj_misc_tuple[sObj.notes_reg];
-        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];
+        comp_obj_block.has.inline_notes_reg                     = substantive_obj_misc_struct.has_notes_reg;
+        comp_obj_block.has.inline_notes_star                    = substantive_obj_misc_struct.has_notes_star;
+        comp_obj_block.has.inline_links                         = substantive_obj_misc_struct.has_links;
         the_document_body_section                               ~= comp_obj_block;
         tag_assoc                                               = an_object.inline_para_link_anchor(tag_in_seg, tag_assoc);
         pith["block_is"]                                        = eN.blk_is.quote;
@@ -3758,10 +3758,10 @@ template docAbstraction() {
             heading_ptr-1,
             an_object["is"]
           );
-        TxtAndAnchorTagPlusHasFootnotesUrlsImages substantive_obj_misc_tuple
+        ST_txtAndAnchorTagPlusHasFootnotesUrlsImages substantive_obj_misc_struct
           = obj_im.obj_inline_markup_and_anchor_tags_and_misc(an_object, an_object_key, conf_make_meta, No._new_doc);
-        an_object["substantive"]                                = substantive_obj_misc_tuple[sObj.content];
-        anchor_tag                                              = substantive_obj_misc_tuple[sObj.anchor_tag];
+        an_object["substantive"]                                = substantive_obj_misc_struct.obj_txt;
+        anchor_tag                                              = substantive_obj_misc_struct.anchor_tag;
         comp_obj_block                                          = comp_obj_block.init;
         comp_obj_block.metainfo.is_of_part                      = "body";
         comp_obj_block.metainfo.is_of_section                   = "body";
@@ -3777,9 +3777,9 @@ template docAbstraction() {
         comp_obj_block.tags.html_segment_anchor_tag_is          = tag_in_seg["seg_lv4"];
         comp_obj_block.tags.epub_segment_anchor_tag_is          = tag_in_seg["seg_lv1to4"];
         comp_obj_block.text                                     = an_object["substantive"];
-        comp_obj_block.has.inline_notes_reg                     = substantive_obj_misc_tuple[sObj.notes_reg];
-        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];
+        comp_obj_block.has.inline_notes_reg                     = substantive_obj_misc_struct.has_notes_reg;
+        comp_obj_block.has.inline_notes_star                    = substantive_obj_misc_struct.has_notes_star;
+        comp_obj_block.has.inline_links                         = substantive_obj_misc_struct.has_links;
         the_document_body_section                               ~= comp_obj_block;
         tag_assoc                                               = an_object.inline_para_link_anchor(tag_in_seg, tag_assoc);
         pith["block_is"]                                        = eN.blk_is.poem;
@@ -3810,10 +3810,10 @@ template docAbstraction() {
             heading_ptr-1,
             an_object["is"]
           );
-        TxtAndAnchorTagPlusHasFootnotesUrlsImages substantive_obj_misc_tuple
+        ST_txtAndAnchorTagPlusHasFootnotesUrlsImages substantive_obj_misc_struct
           = obj_im.obj_inline_markup_and_anchor_tags_and_misc(an_object, an_object_key, conf_make_meta, No._new_doc);
-        an_object["substantive"]                                = substantive_obj_misc_tuple[sObj.content];
-        // anchor_tag                                           = substantive_obj_misc_tuple[sObj.anchor_tag];
+        an_object["substantive"]                                = substantive_obj_misc_struct.obj_txt;
+        // anchor_tag                                           = substantive_obj_misc_struct.anchor_tag; // check
         comp_obj_block                                          = comp_obj_block.init;
         comp_obj_block.metainfo.is_of_part                      = "body";
         comp_obj_block.metainfo.is_of_section                   = "body";
@@ -3829,9 +3829,9 @@ template docAbstraction() {
         comp_obj_block.tags.html_segment_anchor_tag_is          = tag_in_seg["seg_lv4"];
         comp_obj_block.tags.epub_segment_anchor_tag_is          = tag_in_seg["seg_lv1to4"];
         comp_obj_block.text                                     = an_object["substantive"];
-        comp_obj_block.has.inline_notes_reg                     = substantive_obj_misc_tuple[sObj.notes_reg];
-        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];
+        comp_obj_block.has.inline_notes_reg                     = substantive_obj_misc_struct.has_notes_reg;
+        comp_obj_block.has.inline_notes_star                    = substantive_obj_misc_struct.has_notes_star;
+        comp_obj_block.has.inline_links                         = substantive_obj_misc_struct.has_links;
         the_document_body_section                               ~= comp_obj_block;
         pith["block_is"]                                        = eN.blk_is.block;
         pith["block_state"]                                     = eN.blk_state.off;
@@ -3899,10 +3899,10 @@ template docAbstraction() {
             heading_ptr-1,
             an_object["is"]
           );
-        TxtAndAnchorTagPlusHasFootnotesUrlsImages substantive_obj_misc_tuple
+        ST_txtAndAnchorTagPlusHasFootnotesUrlsImages substantive_obj_misc_struct
           = obj_im.obj_inline_markup_and_anchor_tags_and_misc(an_object, an_object_key, conf_make_meta, No._new_doc);
-        an_object["substantive"]                                = substantive_obj_misc_tuple[sObj.content];
-        anchor_tag                                              = substantive_obj_misc_tuple[sObj.anchor_tag];
+        an_object["substantive"]                                = substantive_obj_misc_struct.obj_txt;
+        anchor_tag                                              = substantive_obj_misc_struct.anchor_tag;
         comp_obj_code                                           = comp_obj_code.init;
         comp_obj_code.metainfo.is_of_part                       = "body";
         comp_obj_code.metainfo.is_of_section                    = "body";
@@ -3919,9 +3919,9 @@ template docAbstraction() {
         comp_obj_code.tags.html_segment_anchor_tag_is           = tag_in_seg["seg_lv4"];
         comp_obj_code.tags.epub_segment_anchor_tag_is           = tag_in_seg["seg_lv1to4"];
         comp_obj_code.text                                      = an_object["substantive"];
-        comp_obj_code.has.inline_notes_reg                      = substantive_obj_misc_tuple[sObj.notes_reg];
-        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];
+        comp_obj_code.has.inline_notes_reg                      = substantive_obj_misc_struct.has_notes_reg;
+        comp_obj_code.has.inline_notes_star                     = substantive_obj_misc_struct.has_notes_star;
+        comp_obj_code.has.inline_links                          = substantive_obj_misc_struct.has_links;
         the_document_body_section                               ~= comp_obj_code;
         pith["block_is"]                                        = eN.blk_is.code;
         pith["block_state"]                                     = eN.blk_state.off;
@@ -3952,9 +3952,9 @@ template docAbstraction() {
             heading_ptr-1,
             an_object["is"]
           );
-        TxtAndAnchorTagPlusHasFootnotesUrlsImages substantive_obj_misc_tuple
+        ST_txtAndAnchorTagPlusHasFootnotesUrlsImages substantive_obj_misc_struct
           = obj_im.obj_inline_markup_and_anchor_tags_and_misc(an_object, an_object_key, conf_make_meta, No._new_doc);
-        an_object["substantive"]                                = substantive_obj_misc_tuple[sObj.content];
+        an_object["substantive"]                                = substantive_obj_misc_struct.obj_txt;
         comp_obj_block                                          = comp_obj_block.init;
         comp_obj_block.metainfo.ocn                             = obj_cite_digits.object_number;
         comp_obj_block.metainfo.identifier                      = obj_cite_digits.identifier;
@@ -3980,7 +3980,7 @@ template docAbstraction() {
         ++cntr;
       }
     }
-    retStruct_flow_block_flag_line_empty ret;
+    ST_flow_block_flag_line_empty ret;
     {
       ret.this_object                = an_object;
       ret.the_document_body_section  = the_document_body_section;
@@ -3992,7 +3992,7 @@ template docAbstraction() {
     }
     return ret;
   }
-  @system retStruct_flow_book_index flow_book_index_(B)(
+  @system ST_flow_book_index flow_book_index_(B)(
     char[]          line,
     string[string]  an_object,
     string          book_idx_tmp,
@@ -4029,7 +4029,7 @@ template docAbstraction() {
         }
       }
     }
-    retStruct_flow_book_index ret;
+    ST_flow_book_index ret;
     {
       ret.this_object    = an_object;
       ret.pith           = pith;
@@ -4037,7 +4037,7 @@ template docAbstraction() {
     }
     return ret;
   }
-  @safe retStruct_flow_heading_found flow_heading_found_()(
+  @safe ST_flow_heading_found flow_heading_found_()(
     char[]                line,
     string[string]        heading_match_str,
     string[]              _make_unmarked_headings,
@@ -4114,7 +4114,7 @@ template docAbstraction() {
       }
       pith["make_headings"] = eN.bi.on;
     }
-    retStruct_flow_heading_found ret;
+    ST_flow_heading_found ret;
     {
       ret.heading_match_str = heading_match_str;
       ret.heading_match_rgx = heading_match_rgx;
@@ -4122,7 +4122,7 @@ template docAbstraction() {
     }
     return ret;
   }
-  @safe retStruct_flow_heading_make_set flow_heading_make_set_()(
+  @safe ST_flow_heading_make_set flow_heading_make_set_()(
                char[]                line,
                int[string]           line_occur,
     return ref Regex!(char)[string]  heading_match_rgx,
@@ -4162,7 +4162,7 @@ template docAbstraction() {
         debug(headingsfound) { writeln(line); }
       }
     }
-    retStruct_flow_heading_make_set ret;
+    ST_flow_heading_make_set ret;
     {
       ret.line           = line;
       ret.pith           = pith;
@@ -4338,7 +4338,7 @@ template docAbstraction() {
       an_object["dummy_heading_status"] = (pith["dummy_heading_status"] == eN.bi.off) ? "f" : "t";
       debug(heading) { writeln(line.strip); }
     }
-    struct retStruct_flow_heading_matched {
+    struct ST_flow_heading_matched {
       string[string]  this_object;
       int[string]     line_occur;
       string          an_object_key;
@@ -4347,7 +4347,7 @@ template docAbstraction() {
       uint[string]    pith;
       CMM             conf_make_meta;
     }
-    retStruct_flow_heading_matched ret;
+    ST_flow_heading_matched ret;
     {
       ret.this_object    = an_object;
       ret.line_occur     = line_occur;
@@ -4359,7 +4359,7 @@ template docAbstraction() {
     }
     return ret;
   }
-  @safe retStruct_flow_para_match flow_para_match_()(
+  @safe ST_flow_para_match flow_para_match_()(
     char[]         line,
     string[string]  an_object,
     string          an_object_key,
@@ -4402,7 +4402,7 @@ template docAbstraction() {
       }
       ++line_occur["para"];
     }
-    retStruct_flow_para_match ret;
+    ST_flow_para_match ret;
     {
       ret.pith            = pith;
       ret.this_object     = an_object;
@@ -4460,7 +4460,7 @@ template docAbstraction() {
     }
     return table_object;
   }
-  @safe retStruct_flow_table_array_munge flow_table_array_munge()(
+  @safe ST_flow_table_array_munge flow_table_array_munge()(
     ObjGenericComposite  table_object,
     string[][]           table_array,
   ) {
@@ -4566,14 +4566,14 @@ template docAbstraction() {
         _table_substantive);
     }
     table_object.text = _table_substantive;
-    retStruct_flow_table_array_munge ret;
+    ST_flow_table_array_munge ret;
     {
       ret.table_object      = table_object;
       ret.table_array       = table_array;
     }
     return ret;
   }
-  @system retStruct_flow_table_substantive_munge flow_table_substantive_munge()(
+  @system ST_flow_table_substantive_munge flow_table_substantive_munge()(
     ObjGenericComposite  table_object,
     string               table_substantive,
   ) {
@@ -4593,14 +4593,14 @@ template docAbstraction() {
         _table_array = _get.table_array; // what do you do with this? how is this passed down?
       }
     }
-    retStruct_flow_table_substantive_munge ret;
+    ST_flow_table_substantive_munge ret;
     {
       ret.table_object      = table_object;
       ret.table_substantive = table_substantive; // has anything been changed here?
     }
     return ret;
   }
-  @system retStruct_flow_table_substantive_munge flow_table_substantive_munge_special()(
+  @system ST_flow_table_substantive_munge flow_table_substantive_munge_special()(
     ObjGenericComposite  table_object,
     string               table_substantive,
   ) {
@@ -4620,7 +4620,7 @@ template docAbstraction() {
         _table_array = _get.table_array;
       }
     }
-    retStruct_flow_table_substantive_munge ret;
+    ST_flow_table_substantive_munge ret;
     {
       ret.table_object      = table_object;
       ret.table_substantive = table_substantive;
@@ -4715,7 +4715,7 @@ template docAbstraction() {
       }
       return obj_txt_in;
     }
-    @safe TxtPlusHasFootnotes footnotes_endnotes_markup_and_number_or_stars()(string obj_txt_in, bool reset_note_numbers) {
+    @safe ST_txtPlusHasFootnotes footnotes_endnotes_markup_and_number_or_stars()(string obj_txt_in, bool reset_note_numbers) {
       // endnotes (regular)
       bool flg_notes_reg  = false;
       bool flg_notes_star = false;
@@ -4778,15 +4778,16 @@ template docAbstraction() {
       } else {
         obj_txt_out = obj_txt_in;
       }
-      TxtPlusHasFootnotes t = tuple(
-        obj_txt_out,
-        flg_notes_reg,
-        flg_notes_star,
-        flg_notes_plus,
-      );
-      return t;
+      ST_txtPlusHasFootnotes ret;
+      {
+        ret.obj_txt            = obj_txt_out;
+        ret.has_notes_reg      = flg_notes_reg;
+        ret.has_notes_star     = flg_notes_star;
+        ret.has_notes_plus     = flg_notes_plus;
+      }
+      return ret;
     }
-    @safe private TxtPlusHasFootnotesUrlsImages object_notes_and_links_()(
+    @safe private ST_txtPlusHasFootnotesUrlsImages object_notes_and_links_()(
       string obj_txt_in,
       bool reset_note_numbers = false
     ) {
@@ -4820,7 +4821,7 @@ template docAbstraction() {
         obj_txt_in = obj_txt_in
           .replaceAll(rgx.para_inline_link_anchor, "┃$1┃");
       }
-      TxtPlusHasFootnotes ftn = footnotes_endnotes_markup_and_number_or_stars(obj_txt_in, reset_note_numbers);
+      ST_txtPlusHasFootnotes ftn = footnotes_endnotes_markup_and_number_or_stars(obj_txt_in, reset_note_numbers);
       obj_txt_out = ftn.obj_txt;
       debug(footnotes) { writeln(obj_txt_out, tail); }
       obj_txt_out = obj_txt_out ~ tail;
@@ -4830,23 +4831,39 @@ template docAbstraction() {
           writeln(m.hit);
         }
       }
-      TxtPlusHasFootnotesUrlsImages t = tuple(
-        obj_txt_out,
-        ftn.has_notes_reg,
-        ftn.has_notes_star,
-        ftn.has_notes_plus,
-        urls,
-        images_without_dimensions,
-      );
-      return t;
+      ST_txtPlusHasFootnotesUrlsImages ret;
+      {
+        ret.obj_txt                       = obj_txt_out;
+        ret.has_notes_reg                 = ftn.has_notes_reg;
+        ret.has_notes_star                = ftn.has_notes_star;
+        ret.has_notes_plus                = ftn.has_notes_plus;
+        ret.has_urls                      = urls;
+        ret.has_images_without_dimensions = images_without_dimensions;
+      }
+      return ret;
     }
-    auto init() {
-      TxtPlusHasFootnotesUrlsImages t = object_notes_and_links_("");
-      return t;
+    @safe private ST_txtPlusHasFootnotesUrlsImages object_only_()(
+      string obj_txt_in,
+      bool reset_note_numbers = false
+    ) {
+      ST_txtPlusHasFootnotesUrlsImages ret;
+      {
+        ret.obj_txt                       = obj_txt_in;
+        ret.has_notes_reg                 = false;
+        ret.has_notes_star                = false;
+        ret.has_notes_plus                = false;
+        ret.has_urls                      = false;
+        ret.has_images_without_dimensions = false;
+      }
+      return ret;
+    }
+    ST_txtPlusHasFootnotesUrlsImages init() {
+      ST_txtPlusHasFootnotesUrlsImages ret = object_notes_and_links_("");
+      return ret;
     }
     invariant() {
     }
-    @safe auto munge_heading()(
+    @safe ST_txtPlusHasFootnotesUrlsImages munge_heading()(
       string obj_txt_in,
       bool reset_note_numbers = false
     ) {
@@ -4855,72 +4872,64 @@ template docAbstraction() {
        .replaceFirst(rgx.object_number_off_all, "")
        .replaceFirst(rgx.markup_inline_linebreak, mkup.br_line_inline)
        .strip;
-      TxtPlusHasFootnotesUrlsImages t = object_notes_and_links_(obj_txt["munge"], reset_note_numbers);
-      debug(munge) {
-        writeln(__LINE__);
-        writeln(obj_txt_in);
-        writeln(__LINE__);
-        writeln(obj_txt["munge"].to!string);
-      }
-      return t;
+      ST_txtPlusHasFootnotesUrlsImages ret = object_notes_and_links_(obj_txt["munge"], reset_note_numbers);
+      debug(munge) { writeln(__LINE__); writeln(obj_txt_in); writeln(__LINE__); writeln(obj_txt["munge"].to!string); }
+      return ret;
     }
     invariant() {
     }
-    @safe auto munge_para()(string obj_txt_in) {
+    @safe ST_txtPlusHasFootnotesUrlsImages munge_para()(string obj_txt_in) {
       obj_txt["munge"] = (obj_txt_in)
         .replaceFirst(rgx.para_attribs, "")
         .replaceFirst(rgx.object_number_off_all, "")
         .replaceFirst(rgx.markup_inline_linebreak, mkup.br_line_inline);
-      TxtPlusHasFootnotesUrlsImages t = object_notes_and_links_(obj_txt["munge"]);
-      debug(munge) {
-        writeln(__LINE__);
-        writeln(obj_txt_in);
+      ST_txtPlusHasFootnotesUrlsImages ret = object_notes_and_links_(obj_txt["munge"]);
+      debug(munge) { writeln(__LINE__); writeln(obj_txt_in);
         writeln(__LINE__);
         writeln(obj_txt["munge"].to!string);
       }
-      return t;
+      return ret;
     }
-    @safe auto munge_quote()(string obj_txt_in) {
-      TxtPlusHasFootnotesUrlsImages t = object_notes_and_links_(obj_txt_in.split("\n\n").join(" \\\\\n \\\\\n"));
-      // TxtPlusHasFootnotesUrlsImages t = object_notes_and_links_(obj_txt_in);
-      return t;
+    @safe ST_txtPlusHasFootnotesUrlsImages munge_quote()(string obj_txt_in) {
+      ST_txtPlusHasFootnotesUrlsImages ret = object_notes_and_links_(obj_txt_in.split("\n\n").join(" \\\\\n \\\\\n"));
+      return ret;
     }
     invariant() {
     }
-    @safe auto munge_group(string obj_txt_in) {
-      TxtPlusHasFootnotesUrlsImages t = object_notes_and_links_(obj_txt_in.split("\n\n").join("\n" ~ mkup.br_line_spaced ~ "\n")); // br_line br_line_inline br_line_spaced
-      return t;
+    @safe ST_txtPlusHasFootnotesUrlsImages munge_group(string obj_txt_in) {
+      ST_txtPlusHasFootnotesUrlsImages ret = object_notes_and_links_(obj_txt_in.split("\n\n").join("\n" ~ mkup.br_line_spaced ~ "\n"));
+      return ret;
     }
     invariant() {
     }
-    @safe auto munge_block()(string obj_txt_in) {
-      TxtPlusHasFootnotesUrlsImages t = object_notes_and_links_(obj_txt_in);
-      return t;
+    @safe ST_txtPlusHasFootnotesUrlsImages munge_block()(string obj_txt_in) {
+      ST_txtPlusHasFootnotesUrlsImages ret = object_notes_and_links_(obj_txt_in);
+      return ret;
     }
     invariant() {
     }
     @safe auto munge_verse()(string obj_txt_in) {
-      TxtPlusHasFootnotesUrlsImages t = object_notes_and_links_(obj_txt_in);
-      return t;
+      ST_txtPlusHasFootnotesUrlsImages ret = object_notes_and_links_(obj_txt_in);
+      return ret;
     }
     invariant() {
     }
-    @safe string munge_code()(string obj_txt_in) {
+    @safe ST_txtPlusHasFootnotesUrlsImages munge_code()(string obj_txt_in) {
       obj_txt_in = obj_txt_in.replaceAll(rgx.space, mkup.nbsp);
-      obj_txt["munge"] = obj_txt_in;
-      return obj_txt["munge"];
+      ST_txtPlusHasFootnotesUrlsImages ret = object_only_(obj_txt_in);
+      return ret;
     }
     invariant() {
     }
-    @safe string munge_table()(string obj_txt_in) {
-      obj_txt["munge"] = obj_txt_in;
-      return obj_txt["munge"];
+    @safe ST_txtPlusHasFootnotesUrlsImages munge_table()(string obj_txt_in) {
+      ST_txtPlusHasFootnotesUrlsImages ret = object_notes_and_links_(obj_txt_in);
+      return ret;
     }
     invariant() {
     }
-    @safe string munge_comment()(string obj_txt_in) {
-      obj_txt["munge"] = obj_txt_in;
-      return obj_txt["munge"];
+    @safe ST_txtPlusHasFootnotesUrlsImages munge_comment()(string obj_txt_in) {
+      ST_txtPlusHasFootnotesUrlsImages ret = object_only_(obj_txt_in);
+      return ret;
     }
     invariant() {
     }
@@ -4930,7 +4939,7 @@ template docAbstraction() {
     static auto munge = ObjInlineMarkupMunge();
     string[string] obj_txt;
     string anchor_tag = "";
-    @safe TxtAndAnchorTagPlusHasFootnotesUrlsImages obj_inline_markup_and_anchor_tags_and_misc(CMM)(
+    @safe ST_txtAndAnchorTagPlusHasFootnotesUrlsImages obj_inline_markup_and_anchor_tags_and_misc(CMM)(
       string[string]   obj_,
       string           obj_key_,
       CMM              conf_make_meta,
@@ -4944,11 +4953,14 @@ template docAbstraction() {
         anchor_tag = "";
       }
       auto x = munge.init;
-      bool[string] obj_notes_and_links;
-      obj_notes_and_links["notes_reg"]                = false;
-      obj_notes_and_links["notes_star"]               = false;
-      obj_notes_and_links["links"]                    = false;
-      obj_notes_and_links["image_no_dimensions"]      = false;
+      ST_txtAndAnchorTagPlusHasFootnotesUrlsImages ret;
+      ret.obj_txt                       = "";
+      ret.anchor_tag                    = "";
+      ret.has_notes_reg                 = false;
+      ret.has_notes_star                = false;
+      ret.has_notes_plus                = false;
+      ret.has_links                     = false;
+      ret.has_images_without_dimensions = false;
       if ((obj_["is"] == "para")
         || (obj_["is"] == "heading")
         || (obj_["is"] == "quote")
@@ -4989,37 +5001,30 @@ template docAbstraction() {
         x                                             = munge.munge_verse(obj_txt["munge"]);
         goto default;
       case "code":
-        obj_txt["munge"]                              = munge.munge_code(obj_txt["munge"]);
-        break;
+        x                                             = munge.munge_code(obj_txt["munge"]);
+        goto default;
       case "table":
-        obj_txt["munge"]                              = munge.munge_table(obj_txt["munge"]);
-        break;
+        x                                             = munge.munge_table(obj_txt["munge"]);
+        goto default;
       case "comment":
-        obj_txt["munge"]                              = munge.munge_comment(obj_txt["munge"]);
-        break;
+        x                                             = munge.munge_comment(obj_txt["munge"]);
+        goto default;
       case "doc_end_reset":
         munge.initialize_note_numbers();
         break;
       default:
-        /+ para, heading, group, block, verse +/
-        obj_txt["munge"]                              = x[0];
-        obj_notes_and_links["notes_reg"]              = x[1];
-        obj_notes_and_links["notes_star"]             = x[2];
-        obj_notes_and_links["notes_plus"]             = x[3];
-        obj_notes_and_links["links"]                  = x[4];
-        obj_notes_and_links["image_no_dimensions"]    = x[5];
+        // para, heading, group, block, verse
+        ret.obj_txt                       = x.obj_txt;
+        ret.anchor_tag                    = anchor_tag;
+        ret.has_notes_reg                 = x.has_notes_reg;
+        ret.has_notes_star                = x.has_notes_star;
+        ret.has_notes_plus                = x.has_notes_plus;
+        ret.has_links                     = x.has_urls;
+        ret.has_images_without_dimensions = x.has_images_without_dimensions;
         break;
       }
-      TxtAndAnchorTagPlusHasFootnotesUrlsImages t = tuple(
-        obj_txt["munge"],
-        anchor_tag,
-        obj_notes_and_links["notes_reg"],
-        obj_notes_and_links["notes_star"],
-        obj_notes_and_links["links"],
-        obj_notes_and_links["image_no_dimensions"],
-      );
       anchor_tag = "";
-      return t;
+      return ret;
     }
     invariant() {
     }
@@ -5030,7 +5035,7 @@ template docAbstraction() {
      heading_toc_ = (m.post).replaceAll(rgx.inline_notes_curly_gen, "");
      return heading_toc_;
     };
-    @safe retStruct_flow_table_of_contents_gather_headings flow_table_of_contents_gather_headings(CMM)( //
+    @safe ST_flow_table_of_contents_gather_headings flow_table_of_contents_gather_headings(CMM)( //
       string[string]         obj_,
       CMM                    conf_make_meta,
       string[string]         tag_in_seg,
@@ -5113,7 +5118,7 @@ template docAbstraction() {
       default:
         break;
       }
-      retStruct_flow_table_of_contents_gather_headings ret;
+      ST_flow_table_of_contents_gather_headings ret;
       {
         ret.the_document_toc_section = the_document_toc_section;
         ret.lev4_subtoc              = lev4_subtoc;
@@ -5977,7 +5982,7 @@ template docAbstraction() {
     }
   }
   struct Bibliography {
-    @system public retStruct_flow_bibliography flow_bibliography_()(
+    @system public ST_flow_bibliography flow_bibliography_()(
       string[]    biblio_unsorted_incomplete,
       JSONValue[] bib_arr_json
     ) {
@@ -6000,7 +6005,7 @@ template docAbstraction() {
           cntr++;
         }
       }
-      retStruct_flow_bibliography ret;
+      ST_flow_bibliography ret;
       {
         ret.biblio_sorted  = biblio_sorted__;
         ret.bib_arr_json  = bib_arr_json;