empty sections?

2 files changed, 462 insertions, 342 deletions

diff --git a/org/ao_abstract_doc_source.org b/org/ao_abstract_doc_source.org
index 1578ce3..1e5ef1c 100644
--- a/org/ao_abstract_doc_source.org
+++ b/org/ao_abstract_doc_source.org
@@ -707,30 +707,6 @@ debug(endnotes) {
 
 #+name: abs_post
 #+BEGIN_SRC d
-the_bibliography_section ~=
-  set_abstract_object.contents_heading(
-    "Bibliography",   // nugget/object
-    "",               // attrib
-    0,                // obj_cite_number
-    [""],             // anchor tag
-    "B",              // lev
-    1,                // lev_markup_number
-    1,                // lev_collapsed_number
-  );
-the_bibliography_section ~=
-  set_abstract_object.contents_heading(
-    "Bibliography",   // nugget/object
-    "",               // attrib
-    0,                // obj_cite_number
-    ["bibliography"], // anchor tag
-    "1",              // lev
-    4,                // lev_markup_number
-    2,                // lev_collapsed_number
-  );
-#+END_SRC
-
-#+name: abs_post
-#+BEGIN_SRC d
 auto biblio_unsorted_incomplete = biblio_arr_json.dup;
 // destroy(biblio_arr_json);
 auto biblio = Bibliography();
@@ -738,6 +714,43 @@ auto biblio_ordered =
   biblio._bibliography_(biblio_unsorted_incomplete, bib_arr_json);
 #+END_SRC
 
+#+name: abs_post
+#+BEGIN_SRC d
+if (biblio_ordered.length > 0) {
+  the_bibliography_section ~=
+    set_abstract_object.contents_heading(
+      "Bibliography",   // nugget/object
+      "",               // attrib
+      0,                // obj_cite_number
+      [""],             // anchor tag
+      "B",              // lev
+      1,                // lev_markup_number
+      1,                // lev_collapsed_number
+    );
+  the_bibliography_section ~=
+    set_abstract_object.contents_heading(
+      "Bibliography",   // nugget/object
+      "",               // attrib
+      0,                // obj_cite_number
+      ["bibliography"], // anchor tag
+      "1",              // lev
+      4,                // lev_markup_number
+      2,                // lev_collapsed_number
+    );
+} else {
+  the_bibliography_section ~=
+    set_abstract_object.contents_heading(
+      "(skip) there is no Bibliography",   // nugget/object
+      "",               // attrib
+      0,                // obj_cite_number
+      [""],             // anchor tag
+      "B",              // lev
+      1,                // lev_markup_number
+      1,                // lev_collapsed_number
+    );
+}
+#+END_SRC
+
 ***** format biblio string
 
 #+name: abs_post
@@ -3489,79 +3502,66 @@ struct BookIndexReportSection {
     auto set_abstract_object = ObjectAbstractSet();
     auto mainkeys =
       bookindex_unordered_hashes.byKey.array.sort().release;
-    string bi_tmp_seg, bi_tmp_scroll;
     ObjComposite[][string] bookindex_section;
-    attrib="";
-    lev="B";
-    lev_markup_number=1;
-    lev_collapsed_number=1;
-    bookindex_section["scroll"] ~=
-      set_abstract_object.contents_heading(
-        "Book Index",
-        attrib,
-        obj_cite_number,
-        [],
-        to!string(lev),
-        to!int(lev_markup_number),
-        to!int(lev_collapsed_number)
-      );
-    bookindex_section["seg"] ~=
-      set_abstract_object.contents_heading(
-        "Book Index",
-        attrib,
-        obj_cite_number,
-        [],
-        to!string(lev),
-        to!int(lev_markup_number),
-        to!int(lev_collapsed_number)
-      );
-    ++obj_cite_number;
-    ++mkn;
-    attrib="";
-    lev="1";
-    lev_markup_number=4;
-    lev_collapsed_number=2;
-    bookindex_section["scroll"] ~=
-      set_abstract_object.contents_heading(
-        "Index",
-        attrib,
-        obj_cite_number,
-        ["book_index"],
-        to!string(lev),
-        to!int(lev_markup_number),
-        to!int(lev_collapsed_number)
-      );
-    bookindex_section["seg"] ~=
-      set_abstract_object.contents_heading(
-        "Index",
-        attrib,
-        obj_cite_number,
-        ["book_index"],
-        to!string(lev),
-        to!int(lev_markup_number),
-        to!int(lev_collapsed_number)
-      );
-    ++obj_cite_number;
-    ++mkn;
-    foreach (mainkey; mainkeys) {
-      bi_tmp_scroll = "!{" ~ mainkey ~ "}! ";
-      bi_tmp_seg = "!{" ~ mainkey ~ "}! ";
-      foreach (ref_; bookindex_unordered_hashes[mainkey]["_a"]) {
-        auto go = replaceAll(ref_, rgx.book_index_go, "$1");
-        bi_tmp_scroll ~= (" {" ~ ref_ ~ "}#" ~ go ~ ", ");
-        bi_tmp_seg ~= (segment_object_belongs_to.empty)
-        ? (" {" ~ ref_ ~ "}#" ~ go ~ ", ")
-        : (" {" ~ ref_ ~ "}../" ~ segment_object_belongs_to ~ ".fn_suffix#" ~ go ~ ", ");
-      }
-      bi_tmp_scroll ~= " \\\\\n    ";
-      bi_tmp_seg ~= " \\\\\n    ";
-      bookindex_unordered_hashes[mainkey].remove("_a");
-      auto subkeys =
-        bookindex_unordered_hashes[mainkey].byKey.array.sort().release;
-      foreach (subkey; subkeys) {
-        bi_tmp_scroll ~= subkey ~ ", ";
-        bi_tmp_seg ~= subkey ~ ", ";
-        foreach (ref_; bookindex_unordered_hashes[mainkey][subkey]) {
+    if (mainkeys.length > 0) {
+      string bi_tmp_seg, bi_tmp_scroll;
+      attrib="";
+      lev="B";
+      lev_markup_number=1;
+      lev_collapsed_number=1;
+      bookindex_section["scroll"] ~=
+        set_abstract_object.contents_heading(
+          "Book Index",
+          attrib,
+          obj_cite_number,
+          [],
+          to!string(lev),
+          lev_markup_number,
+          lev_collapsed_number
+        );
+      bookindex_section["seg"] ~=
+        set_abstract_object.contents_heading(
+          "Book Index",
+          attrib,
+          obj_cite_number,
+          [],
+          to!string(lev),
+          lev_markup_number,
+          lev_collapsed_number
+        );
+      ++obj_cite_number;
+      ++mkn;
+      // 1~ Index
+      attrib="";
+      lev="1";
+      lev_markup_number=4;
+      lev_collapsed_number=2;
+      bookindex_section["scroll"] ~=
+        set_abstract_object.contents_heading(
+          "Index",
+          attrib,
+          obj_cite_number,
+          ["book_index"],
+          to!string(lev),
+          lev_markup_number,
+          lev_collapsed_number
+        );
+      bookindex_section["seg"] ~=
+        set_abstract_object.contents_heading(
+          "Index",
+          attrib,
+          obj_cite_number,
+          ["book_index"],
+          to!string(lev),
+          lev_markup_number,
+          lev_collapsed_number
+        );
+      ++obj_cite_number;
+      ++mkn;
+      foreach (mainkey; mainkeys) {
+        bi_tmp_scroll = "!{" ~ mainkey ~ "}! ";
+        bi_tmp_seg = "!{" ~ mainkey ~ "}! ";
+        foreach (ref_; bookindex_unordered_hashes[mainkey]["_a"]) {
           auto go = replaceAll(ref_, rgx.book_index_go, "$1");
           bi_tmp_scroll ~= (" {" ~ ref_ ~ "}#" ~ go ~ ", ");
           bi_tmp_seg ~= (segment_object_belongs_to.empty)
@@ -3570,36 +3570,73 @@ struct BookIndexReportSection {
         }
         bi_tmp_scroll ~= " \\\\\n    ";
         bi_tmp_seg ~= " \\\\\n    ";
-        ++skn;
+        bookindex_unordered_hashes[mainkey].remove("_a");
+        auto subkeys =
+          bookindex_unordered_hashes[mainkey].byKey.array.sort().release;
+        foreach (subkey; subkeys) {
+          bi_tmp_scroll ~= subkey ~ ", ";
+          bi_tmp_seg ~= subkey ~ ", ";
+          foreach (ref_; bookindex_unordered_hashes[mainkey][subkey]) {
+            auto go = replaceAll(ref_, rgx.book_index_go, "$1");
+            bi_tmp_scroll ~= (" {" ~ ref_ ~ "}#" ~ go ~ ", ");
+            bi_tmp_seg ~= (segment_object_belongs_to.empty)
+            ? (" {" ~ ref_ ~ "}#" ~ go ~ ", ")
+            : (" {" ~ ref_ ~ "}../" ~ segment_object_belongs_to ~ ".fn_suffix#" ~ go ~ ", ");
+          }
+          bi_tmp_scroll ~= " \\\\\n    ";
+          bi_tmp_seg ~= " \\\\\n    ";
+          ++skn;
+        }
+        bi_tmp_scroll = replaceFirst(bi_tmp_scroll, rgx.trailing_linebreak, "");
+        bi_tmp_seg = replaceFirst(bi_tmp_seg, rgx.trailing_linebreak, "");
+        type="para";
+        attrib="";
+        indent=[
+          "hang_position" : "0",
+          "base_position" : "1",
+        ];
+        bookindex_section["scroll"] ~=
+          set_abstract_object.contents_para(
+            type,
+            bi_tmp_scroll,
+            attrib,
+            obj_cite_number,
+            indent,
+            false
+          );
+        bookindex_section["seg"] ~=
+          set_abstract_object.contents_para(
+            type,
+            bi_tmp_seg,
+            attrib,
+            obj_cite_number,
+            indent,
+            false
+          );
+        ++obj_cite_number;
+        ++mkn;
       }
-      bi_tmp_scroll = replaceFirst(bi_tmp_scroll, rgx.trailing_linebreak, "");
-      bi_tmp_seg = replaceFirst(bi_tmp_seg, rgx.trailing_linebreak, "");
-      type="para";
-      attrib="";
-      indent=[
-        "hang_position" : "0",
-        "base_position" : "1",
-      ];
+    } else {                              // no book index, (figure out what to do here)
       bookindex_section["scroll"] ~=
-        set_abstract_object.contents_para(
-          type,
-          bi_tmp_scroll,
-          attrib,
-          obj_cite_number,
-          indent,
-          false
+        set_abstract_object.contents_heading(
+          "(skip) there is no Book Index",
+          "",                             // attrib,
+          0,
+          [""],
+          "B",
+          1,
+          1
         );
       bookindex_section["seg"] ~=
-        set_abstract_object.contents_para(
-          type,
-          bi_tmp_seg,
-          attrib,
-          obj_cite_number,
-          indent,
-          false
+        set_abstract_object.contents_heading(
+          "(skip) there is no Book Index",
+          "",                             // attrib,
+          0,
+          [""],
+          "B",
+          1,
+          1
         );
-      ++obj_cite_number;
-      ++mkn;
     }
     auto t = tuple(bookindex_section, obj_cite_number);
     return t;
@@ -3707,58 +3744,81 @@ struct NotesSection {
     string lev, lev_markup_number, lev_collapsed_number;
     string attrib;
     string[string] indent;
-    attrib="";
-    lev="B";
-    lev_markup_number="1";
-    lev_collapsed_number="1";
-    the_endnotes_section["seg"] ~=
-      set_abstract_object.contents_heading(
-        "Endnotes",
-        attrib,
-        obj_cite_number,
-        [],
-        to!string(lev),
-        to!int(lev_markup_number),
-        to!int(lev_collapsed_number)
-      );
-    the_endnotes_section["scroll"] ~=
-      set_abstract_object.contents_heading(
-        "Endnotes",
-        attrib,
-        obj_cite_number,
-        [],
-        to!string(lev),
-        to!int(lev_markup_number),
-        to!int(lev_collapsed_number)
-      );
-    ++obj_cite_number;
-    ++mkn;
-    attrib="";
-    lev="1";
-    lev_markup_number="4";
-    lev_collapsed_number="2";
-    the_endnotes_section["seg"] ~=
-      set_abstract_object.contents_heading(
-        "Endnotes",
-        attrib,
-        obj_cite_number,
-        ["endnotes"],
-        to!string(lev),
-        to!int(lev_markup_number),
-        to!int(lev_collapsed_number)
-      );
-    the_endnotes_section["scroll"] ~=
-      set_abstract_object.contents_heading(
-        "Endnotes",
-        attrib,
-        obj_cite_number,
-        ["endnotes"],
-        to!string(lev),
-        to!int(lev_markup_number),
-        to!int(lev_collapsed_number)
-      );
-    ++obj_cite_number;
-    ++mkn;
+    if (endnotes_["seg"].length > 0) {
+      attrib="";
+      lev="B";
+      lev_markup_number="1";
+      lev_collapsed_number="1";
+      the_endnotes_section["seg"] ~=
+        set_abstract_object.contents_heading(
+          "Endnotes",
+          attrib,
+          obj_cite_number,
+          [],
+          to!string(lev),
+          to!int(lev_markup_number),
+          to!int(lev_collapsed_number)
+        );
+      the_endnotes_section["scroll"] ~=
+        set_abstract_object.contents_heading(
+          "Endnotes",
+          attrib,
+          obj_cite_number,
+          [],
+          to!string(lev),
+          to!int(lev_markup_number),
+          to!int(lev_collapsed_number)
+        );
+      ++obj_cite_number;
+      ++mkn;
+      attrib="";
+      lev="1";
+      lev_markup_number="4";
+      lev_collapsed_number="2";
+      the_endnotes_section["seg"] ~=
+        set_abstract_object.contents_heading(
+          "Endnotes",
+          attrib,
+          obj_cite_number,
+          ["endnotes"],
+          to!string(lev),
+          to!int(lev_markup_number),
+          to!int(lev_collapsed_number)
+        );
+      the_endnotes_section["scroll"] ~=
+        set_abstract_object.contents_heading(
+          "Endnotes",
+          attrib,
+          obj_cite_number,
+          ["endnotes"],
+          to!string(lev),
+          to!int(lev_markup_number),
+          to!int(lev_collapsed_number)
+        );
+      ++obj_cite_number;
+      ++mkn;
+    } else {
+      the_endnotes_section["seg"] ~=
+        set_abstract_object.contents_heading(
+          "(skip) there are no Endnotes",
+          "",                             // attrib,
+          0,
+          [""],
+          "B",
+          1,
+          1
+        );
+      the_endnotes_section["scroll"] ~=
+        set_abstract_object.contents_heading(
+          "(skip) there are no Endnotes",
+          "",                             // attrib,
+          0,
+          [""],
+          "B",
+          1,
+          1
+        );
+    }
     foreach (endnote; endnotes_["seg"]) {
       attrib="";
       the_endnotes_section["seg"] ~=
diff --git a/src/sdp/ao_abstract_doc_source.d b/src/sdp/ao_abstract_doc_source.d
index 2848eb9..769d93c 100644
--- a/src/sdp/ao_abstract_doc_source.d
+++ b/src/sdp/ao_abstract_doc_source.d
@@ -522,31 +522,44 @@ template SiSUdocAbstraction() {
           writeln(o);
         }
       }
-      the_bibliography_section ~=
-        set_abstract_object.contents_heading(
-          "Bibliography",   // nugget/object
-          "",               // attrib
-          0,                // obj_cite_number
-          [""],             // anchor tag
-          "B",              // lev
-          1,                // lev_markup_number
-          1,                // lev_collapsed_number
-        );
-      the_bibliography_section ~=
-        set_abstract_object.contents_heading(
-          "Bibliography",   // nugget/object
-          "",               // attrib
-          0,                // obj_cite_number
-          ["bibliography"], // anchor tag
-          "1",              // lev
-          4,                // lev_markup_number
-          2,                // lev_collapsed_number
-        );
       auto biblio_unsorted_incomplete = biblio_arr_json.dup;
       // destroy(biblio_arr_json);
       auto biblio = Bibliography();
       auto biblio_ordered =
         biblio._bibliography_(biblio_unsorted_incomplete, bib_arr_json);
+      if (biblio_ordered.length > 0) {
+        the_bibliography_section ~=
+          set_abstract_object.contents_heading(
+            "Bibliography",   // nugget/object
+            "",               // attrib
+            0,                // obj_cite_number
+            [""],             // anchor tag
+            "B",              // lev
+            1,                // lev_markup_number
+            1,                // lev_collapsed_number
+          );
+        the_bibliography_section ~=
+          set_abstract_object.contents_heading(
+            "Bibliography",   // nugget/object
+            "",               // attrib
+            0,                // obj_cite_number
+            ["bibliography"], // anchor tag
+            "1",              // lev
+            4,                // lev_markup_number
+            2,                // lev_collapsed_number
+          );
+      } else {
+        the_bibliography_section ~=
+          set_abstract_object.contents_heading(
+            "(skip) there is no Bibliography",   // nugget/object
+            "",               // attrib
+            0,                // obj_cite_number
+            [""],             // anchor tag
+            "B",              // lev
+            1,                // lev_markup_number
+            1,                // lev_collapsed_number
+          );
+      }
       string out_;
       foreach (entry; biblio_ordered) {
         out_ = format(
@@ -2849,79 +2862,66 @@ template SiSUdocAbstraction() {
         auto set_abstract_object = ObjectAbstractSet();
         auto mainkeys =
           bookindex_unordered_hashes.byKey.array.sort().release;
-        string bi_tmp_seg, bi_tmp_scroll;
         ObjComposite[][string] bookindex_section;
-        attrib="";
-        lev="B";
-        lev_markup_number=1;
-        lev_collapsed_number=1;
-        bookindex_section["scroll"] ~=
-          set_abstract_object.contents_heading(
-            "Book Index",
-            attrib,
-            obj_cite_number,
-            [],
-            to!string(lev),
-            to!int(lev_markup_number),
-            to!int(lev_collapsed_number)
-          );
-        bookindex_section["seg"] ~=
-          set_abstract_object.contents_heading(
-            "Book Index",
-            attrib,
-            obj_cite_number,
-            [],
-            to!string(lev),
-            to!int(lev_markup_number),
-            to!int(lev_collapsed_number)
-          );
-        ++obj_cite_number;
-        ++mkn;
-        attrib="";
-        lev="1";
-        lev_markup_number=4;
-        lev_collapsed_number=2;
-        bookindex_section["scroll"] ~=
-          set_abstract_object.contents_heading(
-            "Index",
-            attrib,
-            obj_cite_number,
-            ["book_index"],
-            to!string(lev),
-            to!int(lev_markup_number),
-            to!int(lev_collapsed_number)
-          );
-        bookindex_section["seg"] ~=
-          set_abstract_object.contents_heading(
-            "Index",
-            attrib,
-            obj_cite_number,
-            ["book_index"],
-            to!string(lev),
-            to!int(lev_markup_number),
-            to!int(lev_collapsed_number)
-          );
-        ++obj_cite_number;
-        ++mkn;
-        foreach (mainkey; mainkeys) {
-          bi_tmp_scroll = "!{" ~ mainkey ~ "}! ";
-          bi_tmp_seg = "!{" ~ mainkey ~ "}! ";
-          foreach (ref_; bookindex_unordered_hashes[mainkey]["_a"]) {
-            auto go = replaceAll(ref_, rgx.book_index_go, "$1");
-            bi_tmp_scroll ~= (" {" ~ ref_ ~ "}#" ~ go ~ ", ");
-            bi_tmp_seg ~= (segment_object_belongs_to.empty)
-            ? (" {" ~ ref_ ~ "}#" ~ go ~ ", ")
-            : (" {" ~ ref_ ~ "}../" ~ segment_object_belongs_to ~ ".fn_suffix#" ~ go ~ ", ");
-          }
-          bi_tmp_scroll ~= " \\\\\n    ";
-          bi_tmp_seg ~= " \\\\\n    ";
-          bookindex_unordered_hashes[mainkey].remove("_a");
-          auto subkeys =
-            bookindex_unordered_hashes[mainkey].byKey.array.sort().release;
-          foreach (subkey; subkeys) {
-            bi_tmp_scroll ~= subkey ~ ", ";
-            bi_tmp_seg ~= subkey ~ ", ";
-            foreach (ref_; bookindex_unordered_hashes[mainkey][subkey]) {
+        if (mainkeys.length > 0) {
+          string bi_tmp_seg, bi_tmp_scroll;
+          attrib="";
+          lev="B";
+          lev_markup_number=1;
+          lev_collapsed_number=1;
+          bookindex_section["scroll"] ~=
+            set_abstract_object.contents_heading(
+              "Book Index",
+              attrib,
+              obj_cite_number,
+              [],
+              to!string(lev),
+              lev_markup_number,
+              lev_collapsed_number
+            );
+          bookindex_section["seg"] ~=
+            set_abstract_object.contents_heading(
+              "Book Index",
+              attrib,
+              obj_cite_number,
+              [],
+              to!string(lev),
+              lev_markup_number,
+              lev_collapsed_number
+            );
+          ++obj_cite_number;
+          ++mkn;
+          // 1~ Index
+          attrib="";
+          lev="1";
+          lev_markup_number=4;
+          lev_collapsed_number=2;
+          bookindex_section["scroll"] ~=
+            set_abstract_object.contents_heading(
+              "Index",
+              attrib,
+              obj_cite_number,
+              ["book_index"],
+              to!string(lev),
+              lev_markup_number,
+              lev_collapsed_number
+            );
+          bookindex_section["seg"] ~=
+            set_abstract_object.contents_heading(
+              "Index",
+              attrib,
+              obj_cite_number,
+              ["book_index"],
+              to!string(lev),
+              lev_markup_number,
+              lev_collapsed_number
+            );
+          ++obj_cite_number;
+          ++mkn;
+          foreach (mainkey; mainkeys) {
+            bi_tmp_scroll = "!{" ~ mainkey ~ "}! ";
+            bi_tmp_seg = "!{" ~ mainkey ~ "}! ";
+            foreach (ref_; bookindex_unordered_hashes[mainkey]["_a"]) {
               auto go = replaceAll(ref_, rgx.book_index_go, "$1");
               bi_tmp_scroll ~= (" {" ~ ref_ ~ "}#" ~ go ~ ", ");
               bi_tmp_seg ~= (segment_object_belongs_to.empty)
@@ -2930,36 +2930,73 @@ template SiSUdocAbstraction() {
             }
             bi_tmp_scroll ~= " \\\\\n    ";
             bi_tmp_seg ~= " \\\\\n    ";
-            ++skn;
+            bookindex_unordered_hashes[mainkey].remove("_a");
+            auto subkeys =
+              bookindex_unordered_hashes[mainkey].byKey.array.sort().release;
+            foreach (subkey; subkeys) {
+              bi_tmp_scroll ~= subkey ~ ", ";
+              bi_tmp_seg ~= subkey ~ ", ";
+              foreach (ref_; bookindex_unordered_hashes[mainkey][subkey]) {
+                auto go = replaceAll(ref_, rgx.book_index_go, "$1");
+                bi_tmp_scroll ~= (" {" ~ ref_ ~ "}#" ~ go ~ ", ");
+                bi_tmp_seg ~= (segment_object_belongs_to.empty)
+                ? (" {" ~ ref_ ~ "}#" ~ go ~ ", ")
+                : (" {" ~ ref_ ~ "}../" ~ segment_object_belongs_to ~ ".fn_suffix#" ~ go ~ ", ");
+              }
+              bi_tmp_scroll ~= " \\\\\n    ";
+              bi_tmp_seg ~= " \\\\\n    ";
+              ++skn;
+            }
+            bi_tmp_scroll = replaceFirst(bi_tmp_scroll, rgx.trailing_linebreak, "");
+            bi_tmp_seg = replaceFirst(bi_tmp_seg, rgx.trailing_linebreak, "");
+            type="para";
+            attrib="";
+            indent=[
+              "hang_position" : "0",
+              "base_position" : "1",
+            ];
+            bookindex_section["scroll"] ~=
+              set_abstract_object.contents_para(
+                type,
+                bi_tmp_scroll,
+                attrib,
+                obj_cite_number,
+                indent,
+                false
+              );
+            bookindex_section["seg"] ~=
+              set_abstract_object.contents_para(
+                type,
+                bi_tmp_seg,
+                attrib,
+                obj_cite_number,
+                indent,
+                false
+              );
+            ++obj_cite_number;
+            ++mkn;
           }
-          bi_tmp_scroll = replaceFirst(bi_tmp_scroll, rgx.trailing_linebreak, "");
-          bi_tmp_seg = replaceFirst(bi_tmp_seg, rgx.trailing_linebreak, "");
-          type="para";
-          attrib="";
-          indent=[
-            "hang_position" : "0",
-            "base_position" : "1",
-          ];
+        } else {                              // no book index, (figure out what to do here)
           bookindex_section["scroll"] ~=
-            set_abstract_object.contents_para(
-              type,
-              bi_tmp_scroll,
-              attrib,
-              obj_cite_number,
-              indent,
-              false
+            set_abstract_object.contents_heading(
+              "(skip) there is no Book Index",
+              "",                             // attrib,
+              0,
+              [""],
+              "B",
+              1,
+              1
             );
           bookindex_section["seg"] ~=
-            set_abstract_object.contents_para(
-              type,
-              bi_tmp_seg,
-              attrib,
-              obj_cite_number,
-              indent,
-              false
+            set_abstract_object.contents_heading(
+              "(skip) there is no Book Index",
+              "",                             // attrib,
+              0,
+              [""],
+              "B",
+              1,
+              1
             );
-          ++obj_cite_number;
-          ++mkn;
         }
         auto t = tuple(bookindex_section, obj_cite_number);
         return t;
@@ -3037,58 +3074,81 @@ template SiSUdocAbstraction() {
         string lev, lev_markup_number, lev_collapsed_number;
         string attrib;
         string[string] indent;
-        attrib="";
-        lev="B";
-        lev_markup_number="1";
-        lev_collapsed_number="1";
-        the_endnotes_section["seg"] ~=
-          set_abstract_object.contents_heading(
-            "Endnotes",
-            attrib,
-            obj_cite_number,
-            [],
-            to!string(lev),
-            to!int(lev_markup_number),
-            to!int(lev_collapsed_number)
-          );
-        the_endnotes_section["scroll"] ~=
-          set_abstract_object.contents_heading(
-            "Endnotes",
-            attrib,
-            obj_cite_number,
-            [],
-            to!string(lev),
-            to!int(lev_markup_number),
-            to!int(lev_collapsed_number)
-          );
-        ++obj_cite_number;
-        ++mkn;
-        attrib="";
-        lev="1";
-        lev_markup_number="4";
-        lev_collapsed_number="2";
-        the_endnotes_section["seg"] ~=
-          set_abstract_object.contents_heading(
-            "Endnotes",
-            attrib,
-            obj_cite_number,
-            ["endnotes"],
-            to!string(lev),
-            to!int(lev_markup_number),
-            to!int(lev_collapsed_number)
-          );
-        the_endnotes_section["scroll"] ~=
-          set_abstract_object.contents_heading(
-            "Endnotes",
-            attrib,
-            obj_cite_number,
-            ["endnotes"],
-            to!string(lev),
-            to!int(lev_markup_number),
-            to!int(lev_collapsed_number)
-          );
-        ++obj_cite_number;
-        ++mkn;
+        if (endnotes_["seg"].length > 0) {
+          attrib="";
+          lev="B";
+          lev_markup_number="1";
+          lev_collapsed_number="1";
+          the_endnotes_section["seg"] ~=
+            set_abstract_object.contents_heading(
+              "Endnotes",
+              attrib,
+              obj_cite_number,
+              [],
+              to!string(lev),
+              to!int(lev_markup_number),
+              to!int(lev_collapsed_number)
+            );
+          the_endnotes_section["scroll"] ~=
+            set_abstract_object.contents_heading(
+              "Endnotes",
+              attrib,
+              obj_cite_number,
+              [],
+              to!string(lev),
+              to!int(lev_markup_number),
+              to!int(lev_collapsed_number)
+            );
+          ++obj_cite_number;
+          ++mkn;
+          attrib="";
+          lev="1";
+          lev_markup_number="4";
+          lev_collapsed_number="2";
+          the_endnotes_section["seg"] ~=
+            set_abstract_object.contents_heading(
+              "Endnotes",
+              attrib,
+              obj_cite_number,
+              ["endnotes"],
+              to!string(lev),
+              to!int(lev_markup_number),
+              to!int(lev_collapsed_number)
+            );
+          the_endnotes_section["scroll"] ~=
+            set_abstract_object.contents_heading(
+              "Endnotes",
+              attrib,
+              obj_cite_number,
+              ["endnotes"],
+              to!string(lev),
+              to!int(lev_markup_number),
+              to!int(lev_collapsed_number)
+            );
+          ++obj_cite_number;
+          ++mkn;
+        } else {
+          the_endnotes_section["seg"] ~=
+            set_abstract_object.contents_heading(
+              "(skip) there are no Endnotes",
+              "",                             // attrib,
+              0,
+              [""],
+              "B",
+              1,
+              1
+            );
+          the_endnotes_section["scroll"] ~=
+            set_abstract_object.contents_heading(
+              "(skip) there are no Endnotes",
+              "",                             // attrib,
+              0,
+              [""],
+              "B",
+              1,
+              1
+            );
+        }
         foreach (endnote; endnotes_["seg"]) {
           attrib="";
           the_endnotes_section["seg"] ~=