0.7.3 provide associated segment name for endnotes section and book index

1 files changed, 100 insertions, 108 deletions

diff --git a/src/sdp/ao_abstract_doc_source.d b/src/sdp/ao_abstract_doc_source.d
index 17ffa35..143040f 100644
--- a/src/sdp/ao_abstract_doc_source.d
+++ b/src/sdp/ao_abstract_doc_source.d
@@ -20,6 +20,7 @@ template SiSUdocAbstraction() {
     ObjComposite[] contents_the_objects;
     string[string] an_object, processing;
     string[] anchor_tags;
+    string segment_object_belongs_to;
     auto set_abstract_object = ObjectAbstractSet();
     auto note_section = NotesSection();
     /+ enum +/
@@ -68,40 +69,8 @@ template SiSUdocAbstraction() {
       return bookindex_extract_hash.bookindex_nugget_hash(bookindex_section, obj_cite_number);
     }
     /+ node +/
-    string node;
+    string _node;
     auto node_construct = NodeStructureMetadata();
-    string node_jstr(
-      string lev_markup_number,
-      int obj_cite_number_,
-      long counter,
-      int heading_pointer,
-      string is_
-    ) {
-      return node_construct.node_emitter(
-        lev_markup_number,
-        obj_cite_number_,
-        counter,
-        heading_pointer,
-        is_
-      );
-    }
-    string node_jstr_heading(
-      string lev_markup_number,
-      string lev_collapsed_number,
-      int obj_cite_number_,
-      long counter,
-      int heading_pointer,
-      string is_
-    ) {
-      return node_construct.node_emitter_heading(
-        lev_markup_number,
-        lev_collapsed_number,
-        obj_cite_number_,
-        counter,
-        heading_pointer,
-        is_
-      );
-    }
     /+ ↓ abstract marked up document +/
     auto abstract_doc_source(
       char[][] markup_sourcefile_content,
@@ -351,7 +320,7 @@ template SiSUdocAbstraction() {
               }
             } else if (type["blocks"] == TriState.closing) {
               /+ line empty, with blocks flag +/
-              _block_flag_line_empty_(line, an_object, contents_the_objects, bookindex_unordered_hashes, obj_cite_number, node, counter, type, obj_cite_number_poem, dochead_make_aa); // watch
+              _block_flag_line_empty_(line, an_object, contents_the_objects, bookindex_unordered_hashes, obj_cite_number, _node, counter, type, obj_cite_number_poem, dochead_make_aa); // watch
             } else {
               /+ line empty +/
               /+ line.empty, post contents, empty variables: +/
@@ -372,22 +341,32 @@ template SiSUdocAbstraction() {
                 bookindex_unordered_hashes =
                   bkidx_hash(an_object["bookindex"], obj_cite_number);
                 an_object["is"] = "heading";
-                node =
-                  node_jstr_heading(
+                auto substantive_object_and_anchor_tags_tuple =
+                  obj_im.obj_inline_markup_and_anchor_tags(an_object, dochead_make_aa); // tuple this with anchor tags?
+                an_object["substantive"] = substantive_object_and_anchor_tags_tuple[0];
+                anchor_tags = substantive_object_and_anchor_tags_tuple[1];
+                if  (to!int(an_object["lev_markup_number"]) == 4) {
+                  segment_object_belongs_to = anchor_tags[0];
+                } else if (to!int(an_object["lev_markup_number"]) < 4) {
+                  segment_object_belongs_to = "";
+                }
+                _node =
+                  node_construct.node_emitter_heading(
                     an_object["lev_markup_number"],
                     an_object["lev_collapsed_number"],
+                    segment_object_belongs_to,
                     obj_cite_number,
                     counter,
                     heading_pointer,
                     an_object["is"]
                   ); // heading
-                auto substantive_object_and_anchor_tags_tuple =
-                  obj_im.obj_inline_markup_and_anchor_tags(an_object, dochead_make_aa); // tuple this with anchor tags?
-                an_object["substantive"] = substantive_object_and_anchor_tags_tuple[0];
-                anchor_tags = substantive_object_and_anchor_tags_tuple[1];
                 an_object["attrib"] =
-                  obj_att.obj_attributes(an_object["is"], an_object["obj"], node);
+                  obj_att.obj_attributes(an_object["is"], an_object["obj"], _node);
                 ++heading_pointer;
+                debug(segments) {
+                  writeln(an_object["lev_markup_number"]);
+                  writeln(segment_object_belongs_to);
+                }
                 contents_the_objects ~=
                   set_abstract_object.contents_heading(
                     an_object["substantive"],
@@ -419,9 +398,10 @@ template SiSUdocAbstraction() {
                 bookindex_unordered_hashes =
                   bkidx_hash(an_object["bookindex"], obj_cite_number);
                 an_object["is"] = "para";
-                node =
-                  node_jstr(
+                _node =
+                  node_construct.node_emitter(
                     content_non_header,
+                    segment_object_belongs_to,
                     obj_cite_number,
                     counter,
                     heading_pointer-1,
@@ -432,7 +412,7 @@ template SiSUdocAbstraction() {
                 an_object["substantive"] = substantive_object_and_anchor_tags_tuple[0];
                 anchor_tags = substantive_object_and_anchor_tags_tuple[1];
                 an_object["attrib"] =
-                  obj_att.obj_attributes(an_object["is"], an_object["obj"], node);
+                  obj_att.obj_attributes(an_object["is"], an_object["obj"], _node);
                 contents_the_objects ~=
                   set_abstract_object.contents_para(
                     an_object["is"],
@@ -472,16 +452,12 @@ template SiSUdocAbstraction() {
           && (counter-1 > previous_count)) {
             if (match(contents_the_objects[$-1].object,
             rgx.inline_notes_delimiter_al_regular_number_note)) {
-              // endnotes/ footnotes for
-              // doc objects other than paragraphs & headings
-              // various forms of grouped text
               previous_count=contents_the_objects.length -1;
               note_section.gather_notes_for_endnote_section(
                 contents_the_objects,
+                segment_object_belongs_to,
                 contents_the_objects.length -1
               );
-              // notes[notepoint]=note_section.notes_section(contents_the_objects, counter-1);
-              // notepoint +=1;
             }
           }
         }
@@ -489,10 +465,6 @@ template SiSUdocAbstraction() {
       /+ ↓ post loop markup document/text +/
       debug(objectrelated2) { // check
           writeln(line);
-        // writeln(__FILE__, ":", __LINE__);
-        // writeln(counter);
-        // // contents_am[0..counter]
-        // writeln(contents_am.length);
       }
       /+
         Backmatter:
@@ -525,7 +497,7 @@ template SiSUdocAbstraction() {
         biblio._bibliography_(biblio_unsorted_incomplete, bib_arr_json);
       auto bi = BookIndexReportSection();
       auto bi_tuple =
-        bi.bookindex_build_section(bookindex_unordered_hashes, obj_cite_number);
+        bi.bookindex_build_section(bookindex_unordered_hashes, obj_cite_number, segment_object_belongs_to);
       static assert(!isTypeTuple!(bi_tuple));
       auto bookindex_section = bi_tuple[0];
       obj_cite_number = bi_tuple[1];
@@ -971,7 +943,7 @@ template SiSUdocAbstraction() {
             an_object["substantive"] = substantive_object_and_anchor_tags_tuple[0];
             anchor_tags = substantive_object_and_anchor_tags_tuple[1];
             an_object["attrib"] =
-              obj_att.obj_attributes(an_object["is"], an_object["obj"], node);
+              obj_att.obj_attributes(an_object["is"], an_object["obj"], _node);
             contents_the_objects ~=
               set_abstract_object.contents_block(
                 an_object["is"],
@@ -1010,8 +982,9 @@ template SiSUdocAbstraction() {
             }
             processing.remove("verse");
             an_object["is"] = "verse";
-            node = node_jstr(
+            _node = node_construct.node_emitter(
               content_non_header,
+              segment_object_belongs_to,
               obj_cite_number,
               counter,
               heading_pointer-1,
@@ -1022,7 +995,7 @@ template SiSUdocAbstraction() {
             an_object["substantive"] = substantive_object_and_anchor_tags_tuple[0];
             anchor_tags = substantive_object_and_anchor_tags_tuple[1];
             an_object["attrib"] =
-              obj_att.obj_attributes(an_object["is"], an_object["obj"], node);
+              obj_att.obj_attributes(an_object["is"], an_object["obj"], _node);
             contents_the_objects ~=
               set_abstract_object.contents_block(
                 an_object["is"],
@@ -1059,7 +1032,7 @@ template SiSUdocAbstraction() {
             an_object["substantive"] = substantive_object_and_anchor_tags_tuple[0];
             anchor_tags = substantive_object_and_anchor_tags_tuple[1];
             an_object["attrib"] =
-              obj_att.obj_attributes(an_object["is"], an_object["obj"], node);
+              obj_att.obj_attributes(an_object["is"], an_object["obj"], _node);
             contents_the_objects ~=
               set_abstract_object.contents_block(
                 an_object["is"],
@@ -1097,9 +1070,10 @@ template SiSUdocAbstraction() {
             }
             processing.remove("verse");
             an_object["is"] = "verse";
-            node =
-              node_jstr(
+            _node =
+              node_construct.node_emitter(
                 content_non_header,
+                segment_object_belongs_to,
                 obj_cite_number,
                 counter,
                 heading_pointer-1,
@@ -1110,7 +1084,7 @@ template SiSUdocAbstraction() {
             an_object["substantive"] = substantive_object_and_anchor_tags_tuple[0];
             anchor_tags = substantive_object_and_anchor_tags_tuple[1];
             an_object["attrib"] =
-              obj_att.obj_attributes(an_object["is"], an_object["obj"], node);
+              obj_att.obj_attributes(an_object["is"], an_object["obj"], _node);
             contents_the_objects ~=
               set_abstract_object.contents_block(
                 an_object["is"],
@@ -1271,7 +1245,7 @@ template SiSUdocAbstraction() {
       ref ObjComposite[] contents_the_objects,
       ref string[][string][string] bookindex_unordered_hashes,
       ref int obj_cite_number,
-      ref string node,
+      ref string _node,
       ref long counter,
       ref int[string] type,
       string[string] obj_cite_number_poem,
@@ -1295,9 +1269,10 @@ template SiSUdocAbstraction() {
         bookindex_unordered_hashes =
           bkidx_hash(an_object["bookindex"], obj_cite_number);
         an_object["is"] = "code";
-        node =
-          node_jstr(
+        _node =
+          node_construct.node_emitter(
             content_non_header,
+            segment_object_belongs_to,
             obj_cite_number,
             counter,
             heading_pointer-1,
@@ -1308,7 +1283,7 @@ template SiSUdocAbstraction() {
         an_object["substantive"] = substantive_object_and_anchor_tags_tuple[0];
         anchor_tags = substantive_object_and_anchor_tags_tuple[1];
         an_object["attrib"] =
-          obj_att.obj_attributes(an_object["is"], an_object["obj"], node);
+          obj_att.obj_attributes(an_object["is"], an_object["obj"], _node);
         contents_the_objects ~=
           set_abstract_object.contents_block_code(
             an_object["is"],
@@ -1328,9 +1303,10 @@ template SiSUdocAbstraction() {
           bkidx_hash(an_object["bookindex"], obj_cite_number);
         // obj_cite_number = obj_cite_number_emit(type["obj_cite_number_status"]);
         an_object["is"] = "verse"; // check also
-        node =
-          node_jstr(
+        _node =
+          node_construct.node_emitter(
             content_non_header,
+            segment_object_belongs_to,
             obj_cite_number,
             counter,
             heading_pointer-1,
@@ -1342,7 +1318,7 @@ template SiSUdocAbstraction() {
             "poem",
             "",
             (obj_cite_number_poem["start"], obj_cite_number_poem["end"]),
-            node
+            _node
           ); // bookindex
         object_reset(an_object);
         processing.remove("verse");
@@ -1357,9 +1333,10 @@ template SiSUdocAbstraction() {
         bookindex_unordered_hashes =
           bkidx_hash(an_object["bookindex"], obj_cite_number);
         an_object["is"] = "table";
-        node =
-          node_jstr(
+        _node =
+          node_construct.node_emitter(
             content_non_header,
+            segment_object_belongs_to,
             obj_cite_number,
             counter,
             heading_pointer-1,
@@ -1370,7 +1347,7 @@ template SiSUdocAbstraction() {
         an_object["substantive"] = substantive_object_and_anchor_tags_tuple[0];
         anchor_tags = substantive_object_and_anchor_tags_tuple[1];
         an_object["attrib"] =
-          obj_att.obj_attributes(an_object["is"], an_object["obj"], node);
+          obj_att.obj_attributes(an_object["is"], an_object["obj"], _node);
         contents_the_objects ~=
           set_abstract_object.contents_block(
             an_object["is"],
@@ -1391,9 +1368,10 @@ template SiSUdocAbstraction() {
         bookindex_unordered_hashes =
           bkidx_hash(an_object["bookindex"], obj_cite_number);
         an_object["is"] = "group";
-        node =
-          node_jstr(
+        _node =
+          node_construct.node_emitter(
             content_non_header,
+            segment_object_belongs_to,
             obj_cite_number,
             counter,
             heading_pointer-1,
@@ -1404,7 +1382,7 @@ template SiSUdocAbstraction() {
         an_object["substantive"] = substantive_object_and_anchor_tags_tuple[0];
         anchor_tags = substantive_object_and_anchor_tags_tuple[1];
         an_object["attrib"] =
-          obj_att.obj_attributes(an_object["is"], an_object["obj"], node);
+          obj_att.obj_attributes(an_object["is"], an_object["obj"], _node);
         contents_the_objects ~=
           set_abstract_object.contents_block(
             an_object["is"],
@@ -1424,9 +1402,10 @@ template SiSUdocAbstraction() {
         bookindex_unordered_hashes =
           bkidx_hash(an_object["bookindex"], obj_cite_number);
         an_object["is"] = "block";
-        node =
-          node_jstr(
+        _node =
+          node_construct.node_emitter(
             content_non_header,
+            segment_object_belongs_to,
             obj_cite_number,
             counter,
             heading_pointer-1,
@@ -1437,7 +1416,7 @@ template SiSUdocAbstraction() {
         an_object["substantive"] = substantive_object_and_anchor_tags_tuple[0];
         anchor_tags = substantive_object_and_anchor_tags_tuple[1];
         an_object["attrib"] =
-          obj_att.obj_attributes(an_object["is"], an_object["obj"], node);
+          obj_att.obj_attributes(an_object["is"], an_object["obj"], _node);
         contents_the_objects ~=
           set_abstract_object.contents_block(
             an_object["is"],
@@ -1458,9 +1437,10 @@ template SiSUdocAbstraction() {
         bookindex_unordered_hashes =
           bkidx_hash(an_object["bookindex"], obj_cite_number);
         an_object["is"] = "quote";
-        node =
-          node_jstr(
+        _node =
+          node_construct.node_emitter(
             content_non_header,
+            segment_object_belongs_to,
             obj_cite_number,
             counter,
             heading_pointer-1,
@@ -1471,7 +1451,7 @@ template SiSUdocAbstraction() {
         an_object["substantive"] = substantive_object_and_anchor_tags_tuple[0];
         anchor_tags = substantive_object_and_anchor_tags_tuple[1];
         an_object["attrib"] =
-          obj_att.obj_attributes(an_object["is"], an_object["obj"], node);
+          obj_att.obj_attributes(an_object["is"], an_object["obj"], _node);
         contents_the_objects ~=
           set_abstract_object.contents_block(
             an_object["is"],
@@ -2318,13 +2298,13 @@ template SiSUdocAbstraction() {
     }
     struct ObjAttributes {
       string[string] _obj_attrib;
-      string obj_attributes(string obj_is_, string obj_raw, string node)
+      string obj_attributes(string obj_is_, string obj_raw, string _node)
       in { }
       body {
         scope(exit) {
-          // destroy(obj_is_);
+          destroy(obj_is_);
           destroy(obj_raw);
-          destroy(node);
+          destroy(_node);
         }
         _obj_attrib.remove("json");
         _obj_attrib["json"] ="{";
@@ -2364,12 +2344,12 @@ template SiSUdocAbstraction() {
           break;
         }
         _obj_attrib["json"] ~=" }";
-        _obj_attrib["json"]=_set_additional_values_parse_as_json(_obj_attrib["json"], obj_is_, node);
+        _obj_attrib["json"]=_set_additional_values_parse_as_json(_obj_attrib["json"], obj_is_, _node);
         debug(structattrib) {
           if (oa_j["is"].str() == "heading") {
             // writeln(__LINE__);
             writeln(_obj_attrib["json"]);
-            // writeln(node);
+            // writeln(_node);
             writeln(
               "is: ", oa_j["is"].str(),
               "; obj_cite_number: ", oa_j["obj_cite_number"].integer()
@@ -2499,9 +2479,9 @@ template SiSUdocAbstraction() {
       }
       invariant() {
       }
-      string _set_additional_values_parse_as_json(string _obj_attrib, string obj_is_, string node) {
+      string _set_additional_values_parse_as_json(string _obj_attrib, string obj_is_, string _node) {
         JSONValue oa_j = parseJSON(_obj_attrib);
-        JSONValue node_j = parseJSON(node);
+        JSONValue node_j = parseJSON(_node);
         assert(
           (oa_j.type == JSON_TYPE.OBJECT) &&
           (node_j.type == JSON_TYPE.OBJECT)
@@ -2649,7 +2629,8 @@ template SiSUdocAbstraction() {
       }
       auto bookindex_build_section(
         string[][string][string] bookindex_unordered_hashes,
-        int obj_cite_number
+        int obj_cite_number,
+        string segment_object_belongs_to,
       ) {
         string type;
         string lev, lev_markup_number, lev_collapsed_number;
@@ -2700,7 +2681,9 @@ template SiSUdocAbstraction() {
           // bi_tmp = "_0_1 !{" ~ mainkey ~ "}! ";
           foreach (ref_; bookindex_unordered_hashes[mainkey]["_a"]) {
             auto go = replaceAll(ref_, rgx.book_index_go, "$1");
-            bi_tmp ~= " {" ~ ref_ ~ "}#" ~ go ~ ", ";
+            bi_tmp ~= (segment_object_belongs_to.empty)
+            ? (" {" ~ ref_ ~ "}#" ~ go ~ ", ")
+            : (" {" ~ ref_ ~ "}[../" ~ segment_object_belongs_to ~ ".fn_suffix]#" ~ go ~ ", ");
           }
           bi_tmp ~= " \\\\\n    ";
           bookindex_unordered_hashes[mainkey].remove("_a");
@@ -2710,7 +2693,9 @@ template SiSUdocAbstraction() {
             bi_tmp ~= subkey ~ ", ";
             foreach (ref_; bookindex_unordered_hashes[mainkey][subkey]) {
               auto go = replaceAll(ref_, rgx.book_index_go, "$1");
-              bi_tmp ~= " {" ~ ref_ ~ "}#" ~ go ~ ", ";
+              bi_tmp ~= (segment_object_belongs_to.empty)
+              ? (" {" ~ ref_ ~ "}#" ~ go ~ ", ")
+              : (" {" ~ ref_ ~ "}[../" ~ segment_object_belongs_to ~ ".fn_suffix]#" ~ go ~ ", ");
             }
             bi_tmp ~= " \\\\\n    ";
             ++skn;
@@ -2751,6 +2736,7 @@ template SiSUdocAbstraction() {
       auto rgx = Rgx();
       private auto gather_notes_for_endnote_section(
         ObjComposite[] contents_am,
+        string segment_object_belongs_to,
         ulong counter
       )
       in {
@@ -2772,13 +2758,15 @@ template SiSUdocAbstraction() {
         rgx.inline_notes_delimiter_al_regular_number_note)) {
           debug(endnotes_build) {
             writeln(
-              "{^{", m.captures[1], ".}^}#noteref_", m.captures[1], " ",
+              "{^{", m.captures[1], ".}^}[../", segment_object_belongs_to, ".fn_suffix]#noteref_\n  ", m.captures[1], " ",
               m.captures[2]); // sometimes need segment name (segmented html & epub)
             // writeln("{^{", m.captures[1], ".}^}#", contents_am[counter]["obj_cite_number"], " ", m.captures[2]);
           }
-          object_notes ~=
-            "{^{" ~ m.captures[1] ~ ".}^}#noteref_" ~
-            m.captures[1] ~ " " ~ m.captures[2] ~ "』";
+          object_notes ~= (segment_object_belongs_to.empty)
+          ? ("{^{" ~ m.captures[1] ~ ".}^}#noteref_" ~
+            m.captures[1] ~ " " ~ m.captures[2] ~ "』")
+          : ("{^{" ~ m.captures[1] ~ ".}^}[../" ~ segment_object_belongs_to ~ ".fn_suffix]#noteref_" ~
+            m.captures[1] ~ " " ~ m.captures[2] ~ "』");
         }
         return object_notes;
       }
@@ -2943,9 +2931,10 @@ template SiSUdocAbstraction() {
       int lv, lv0, lv1, lv2, lv3, lv4, lv5, lv6, lv7;
       int obj_cite_number;
       int[string] p_; // p_ parent_
-      string node;
+      string _node;
       string node_emitter(
         string lev_markup_number,
+        string segment_anchor_tag,
         int obj_cite_number_,
         long counter_,
         int pointer_,
@@ -2960,7 +2949,7 @@ template SiSUdocAbstraction() {
         // scope(failure) {
         //   writeln(__FILE__, ":", __LINE__, " failed here:");
         //   writeln("  is  : ", is_);
-        //   writeln("  node: ", node);
+        //   writeln("  node: ", _node);
         // }
         assert(is_ != "heading"); // should not be necessary
         assert(to!int(obj_cite_number_) >= 0); // should not be necessary
@@ -2978,33 +2967,35 @@ template SiSUdocAbstraction() {
           p_["lev_markup_number"] = DocStructMarkupHeading.h_text_1;
           p_["obj_cite_number"] = lv4;
         }
-        node=("{ " ~
+        _node=("{ " ~
           "\"is\": \"" ~ is_ ~ "\"" ~
           ", \"heading_pointer\": " ~ to!string(pointer_) ~
           ", \"doc_object_pointer\": " ~ to!string(counter_) ~
           ", \"obj_cite_number\": " ~ to!string(obj_cite_number_) ~
+          ", \"segment_anchor_tag\": \"" ~ segment_anchor_tag ~ "\"" ~
           ", \"parent_obj_cite_number\": " ~ to!string(p_["obj_cite_number"]) ~
           ", \"parent_lev_markup_number\": " ~ to!string(p_["lev_markup_number"]) ~
           " }"
         );
         debug(node) {
           if (match(lev_markup_number, rgx.levels_numbered_headings)) {
-            writeln("* ", to!string(node));
+            writeln("* ", to!string(_node));
           } else {
-            writeln("* ", to!string(node));
+            writeln("* ", to!string(_node));
           }
         }
-        JSONValue j = parseJSON(node);
+        JSONValue j = parseJSON(_node);
         assert(j["parent_lev_markup_number"].integer >= 4);
         assert(j["parent_lev_markup_number"].integer <= 7);
         assert(j["parent_obj_cite_number"].integer >= 0);
-        return node;
+        return _node;
       }
       invariant() {
       }
       string node_emitter_heading(
         string lev_markup_number,
         string lev_collapsed_number,
+        string segment_anchor_tag,
         int obj_cite_number_,
         long counter_,
         int pointer_,
@@ -3030,7 +3021,7 @@ template SiSUdocAbstraction() {
         // scope(failure) {
         //   writeln(__FILE__, ":", __LINE__, " failed here:");
         //   writeln("  is  : ", is_);
-        //   writeln("  node: ", node);
+        //   writeln("  node: ", _node);
         // }
         auto rgx = Rgx();
         int obj_cite_number = to!int(obj_cite_number_);
@@ -3123,30 +3114,31 @@ template SiSUdocAbstraction() {
           // }
           break;
         }
-        node=("{ " ~
+        _node=("{ " ~
           "\"is\": \"" ~ is_ ~ "\"" ~
           ", \"heading_pointer\": " ~ to!string(pointer_) ~
           ", \"doc_object_pointer\": " ~ to!string(counter_) ~
           ", \"obj_cite_number\": " ~ to!string(obj_cite_number_) ~
           ",  \"lev_markup_number\": " ~ to!string(lev_markup_number) ~
           ",  \"lev_collapsed_number\": " ~ to!string(lev_collapsed_number) ~
+          ", \"segment_anchor_tag\": \"" ~ segment_anchor_tag ~ "\"" ~
           ", \"parent_obj_cite_number\": " ~ to!string(p_["obj_cite_number"]) ~
           ", \"parent_lev_markup_number\": " ~ to!string(p_["lev_markup_number"]) ~
           " }"
         );
         debug(heading) {
           if (match(lev_markup_number, rgx.levels_numbered_headings)) {
-            writeln("* ", to!string(node));
+            writeln("* ", to!string(_node));
           }
         }
         debug(node) {
           if (match(lev_markup_number, rgx.levels_numbered_headings)) {
-            writeln("* ", to!string(node));
+            writeln("* ", to!string(_node));
           } else {
-            writeln("* ", to!string(node));
+            writeln("* ", to!string(_node));
           }
         }
-        JSONValue j = parseJSON(node);
+        JSONValue j = parseJSON(_node);
         assert(j["parent_lev_markup_number"].integer <= 7);
         assert(j["parent_obj_cite_number"].integer >= 0);
         if (match(lev_markup_number, rgx.levels_numbered_headings)) {
@@ -3180,7 +3172,7 @@ template SiSUdocAbstraction() {
             // assert(j["parent_lev_markup_number"].integer <= 7);
           }
         }
-        return node;
+        return _node;
       }
       invariant() {
       }