org mode, unique code-block names & adjust headers

-  avoid org-mode undefined behavior, provide
   unique code-block names

1 files changed, 141 insertions, 76 deletions

diff --git a/org/out_xmls.org b/org/out_xmls.org
index c76e44b..eb83196 100644
--- a/org/out_xmls.org
+++ b/org/out_xmls.org
@@ -7,6 +7,7 @@
 #+COPYRIGHT:   Copyright (C) 2015 - 2020 Ralph Amissah
 #+LANGUAGE:    en
 #+STARTUP:     content hideblocks hidestars noindent entitiespretty
+#+OPTIONS:     H:3 num:nil toc:t \n:nil @:t ::t |:t ^:nil _:nil -:t f:t *:t <:t
 #+PROPERTY:    header-args  :exports code
 #+PROPERTY:    header-args+ :noweb yes
 #+PROPERTY:    header-args+ :eval no
@@ -28,7 +29,45 @@ template outputXHTMLs() {
   mixin spineRgxOut;
   struct outputXHTMLs {
     static auto rgx = RgxO();
-    <<xhtml_format_objects>>
+    <<xhtml_format_objects_0>>
+    <<xhtml_format_objects_1>>
+    <<xhtml_format_objects_2>>
+    <<xhtml_format_objects_3>>
+    <<xhtml_format_objects_4>>
+    <<xhtml_format_objects_5>>
+    <<xhtml_format_objects_6>>
+    <<xhtml_format_objects_7>>
+    <<xhtml_format_objects_8>>
+    <<xhtml_format_objects_9>>
+    <<xhtml_format_objects_10>>
+    <<xhtml_format_objects_11>>
+    <<xhtml_format_objects_12>>
+    <<xhtml_format_objects_13>>
+    <<xhtml_format_objects_14>>
+    <<xhtml_format_objects_15>>
+    <<xhtml_format_objects_16>>
+    <<xhtml_format_objects_17>>
+    <<xhtml_format_objects_18>>
+    <<xhtml_format_objects_19>>
+    <<xhtml_format_objects_20>>
+    <<xhtml_format_objects_21>>
+    <<xhtml_format_objects_22>>
+    <<xhtml_format_objects_23>>
+    <<xhtml_format_objects_24>>
+    <<xhtml_format_objects_25>>
+    <<xhtml_format_objects_26>>
+    <<xhtml_format_objects_27>>
+    <<xhtml_format_objects_28>>
+    <<xhtml_format_objects_29>>
+    <<xhtml_format_objects_30>>
+    <<xhtml_format_objects_31>>
+    <<xhtml_format_objects_32>>
+    <<xhtml_format_objects_33>>
+    <<xhtml_format_objects_34>>
+    <<xhtml_format_objects_35>>
+    <<xhtml_format_objects_36>>
+    <<xhtml_format_objects_37>>
+    <<xhtml_format_objects_38>>
     <<xhtml_format_objects_code>>
   }
 }
@@ -71,7 +110,7 @@ import
 *** misc
 **** div delimiter
 
-#+NAME: xhtml_format_objects
+#+NAME: xhtml_format_objects_0
 #+BEGIN_SRC d
 @safe string div_delimit(
              string  part,
@@ -107,7 +146,7 @@ import
 
 **** special characters text
 
-#+NAME: xhtml_format_objects
+#+NAME: xhtml_format_objects_1
 #+BEGIN_SRC d
 @safe string special_characters_text(string _txt) {
   _txt = _txt
@@ -122,7 +161,7 @@ import
 
 **** special characters
 
-#+NAME: xhtml_format_objects
+#+NAME: xhtml_format_objects_2
 #+BEGIN_SRC d
 @safe string special_characters(O)(
   const  O         obj,
@@ -138,7 +177,7 @@ import
 
 **** font_face
 
-#+NAME: xhtml_format_objects
+#+NAME: xhtml_format_objects_3
 #+BEGIN_SRC d
 @safe string font_face(string _txt) {
   _txt = _txt
@@ -158,7 +197,7 @@ import
 
 **** anchor tags
 
-#+NAME: xhtml_format_objects
+#+NAME: xhtml_format_objects_4
 #+BEGIN_SRC d
 @safe string _xhtml_anchor_tags(O)(O obj) {
   const(string[]) anchor_tags = obj.tags.anchor_tags;
@@ -177,7 +216,7 @@ import
 **** doc head & tails
 ***** metadata
 
-#+NAME: xhtml_format_objects
+#+NAME: xhtml_format_objects_5
 #+BEGIN_SRC d
 @safe string header_metadata(M)(
   M  doc_matters,
@@ -220,7 +259,7 @@ import
 
 ***** site info button
 
-#+NAME: xhtml_format_objects
+#+NAME: xhtml_format_objects_6
 #+BEGIN_SRC d
 @safe string site_info_button(M)(
   M  doc_matters,
@@ -250,7 +289,7 @@ import
 
 ***** search form
 
-#+NAME: xhtml_format_objects
+#+NAME: xhtml_format_objects_7
 #+BEGIN_SRC d
 @safe string inline_search_form(M)(
   M  doc_matters,
@@ -289,7 +328,7 @@ import
 
 ***** html head & head banner
 
-#+NAME: xhtml_format_objects
+#+NAME: xhtml_format_objects_8
 #+BEGIN_SRC d
 @safe string html_head(M)(
   M  doc_matters,
@@ -346,7 +385,7 @@ import
 
 ***** epub seg head
 
-#+NAME: xhtml_format_objects
+#+NAME: xhtml_format_objects_9
 #+BEGIN_SRC d
 @safe string epub3_seg_head(M)(
   M  doc_matters,
@@ -420,7 +459,7 @@ import
 
 ***** xhtml tail
 
-#+NAME: xhtml_format_objects
+#+NAME: xhtml_format_objects_10
 #+BEGIN_SRC d
 @safe string tail() {
   string o;
@@ -436,7 +475,7 @@ import
 *** inline markup
 **** images
 
-#+NAME: xhtml_format_objects
+#+NAME: xhtml_format_objects_11
 #+BEGIN_SRC d
 @safe string inline_images(O,M)(
   string          _txt,
@@ -469,7 +508,7 @@ import
 **** links
 ***** scroll, seg, epub
 
-#+NAME: xhtml_format_objects
+#+NAME: xhtml_format_objects_12
 #+BEGIN_SRC d
 @safe string inline_links(O,M)(
   string          _txt,
@@ -567,7 +606,7 @@ import
 **** notes
 ***** scroll
 
-#+NAME: xhtml_format_objects
+#+NAME: xhtml_format_objects_13
 #+BEGIN_SRC d
 @safe string inline_notes_scroll(O,M)(
   string          _txt,
@@ -604,7 +643,7 @@ import
 
 ***** seg
 
-#+NAME: xhtml_format_objects
+#+NAME: xhtml_format_objects_14
 #+BEGIN_SRC d
 @safe Tuple!(string, string[]) inline_notes_seg(O,M)(
             string  _txt,
@@ -675,7 +714,7 @@ import
 **** inline markup
 ***** scroll
 
-#+NAME: xhtml_format_objects
+#+NAME: xhtml_format_objects_15
 #+BEGIN_SRC d
 @safe string inline_markup_scroll(O,M)(
   string          _txt,
@@ -697,7 +736,7 @@ import
 
 ***** seg
 
-#+NAME: xhtml_format_objects
+#+NAME: xhtml_format_objects_16
 #+BEGIN_SRC d
 @safe auto inline_markup_seg(O,M)(
   string          _txt,
@@ -724,7 +763,7 @@ import
 *** toc
 **** subtoc
 
-#+NAME: xhtml_format_objects
+#+NAME: xhtml_format_objects_17
 #+BEGIN_SRC d
 @safe string lev4_heading_subtoc(O,M)(
   const        O  obj,
@@ -757,7 +796,7 @@ import
 
 **** navigation pre next svg
 
-#+NAME: xhtml_format_objects
+#+NAME: xhtml_format_objects_18
 #+BEGIN_SRC d
 @safe auto nav_pre_next_svg(O,M)(
   const        O  obj,
@@ -838,7 +877,7 @@ import
 *** heading
 **** heading
 
-#+NAME: xhtml_format_objects
+#+NAME: xhtml_format_objects_19
 #+BEGIN_SRC d
 @safe string heading(O,M)(
         string _txt,
@@ -909,7 +948,7 @@ import
 
 **** scroll
 
-#+NAME: xhtml_format_objects
+#+NAME: xhtml_format_objects_20
 #+BEGIN_SRC d
 @safe string heading_scroll(O,M)(
   string          _txt,
@@ -925,7 +964,7 @@ import
 
 **** seg
 
-#+NAME: xhtml_format_objects
+#+NAME: xhtml_format_objects_21
 #+BEGIN_SRC d
 @safe Tuple!(string, string[]) heading_seg(O,M)(
   string          _txt,
@@ -949,7 +988,7 @@ import
 *** para
 **** para
 
-#+NAME: xhtml_format_objects
+#+NAME: xhtml_format_objects_22
 #+BEGIN_SRC d
 @safe string para(O,M)(
         string _txt,
@@ -1005,7 +1044,7 @@ import
 
 **** scroll
 
-#+NAME: xhtml_format_objects
+#+NAME: xhtml_format_objects_23
 #+BEGIN_SRC d
 @safe string para_scroll(O,M)(
   string          _txt,
@@ -1024,7 +1063,7 @@ import
 
 **** seg
 
-#+NAME: xhtml_format_objects
+#+NAME: xhtml_format_objects_24
 #+BEGIN_SRC d
 @safe Tuple!(string, string[]) para_seg(O,M)(
   string          _txt,
@@ -1048,7 +1087,7 @@ import
 *** quote
 **** quote
 
-#+NAME: xhtml_format_objects
+#+NAME: xhtml_format_objects_25
 #+BEGIN_SRC d
 @safe string quote(O,M)(
         string _txt,
@@ -1090,7 +1129,7 @@ import
 
 **** scroll
 
-#+NAME: xhtml_format_objects
+#+NAME: xhtml_format_objects_26
 #+BEGIN_SRC d
 @safe string quote_scroll(O,M)(
   string          _txt,
@@ -1106,7 +1145,7 @@ import
 
 **** seg
 
-#+NAME: xhtml_format_objects
+#+NAME: xhtml_format_objects_27
 #+BEGIN_SRC d
 @safe Tuple!(string, string[]) quote_seg(O,M)(
   string          _txt,
@@ -1130,7 +1169,7 @@ import
 *** group
 **** group
 
-#+NAME: xhtml_format_objects
+#+NAME: xhtml_format_objects_28
 #+BEGIN_SRC d
 @safe string group(O,M)(
         string _txt,
@@ -1174,7 +1213,7 @@ import
 
 **** scroll
 
-#+NAME: xhtml_format_objects
+#+NAME: xhtml_format_objects_29
 #+BEGIN_SRC d
 @safe string group_scroll(O,M)(
   string          _txt,
@@ -1191,7 +1230,7 @@ import
 
 **** seg
 
-#+NAME: xhtml_format_objects
+#+NAME: xhtml_format_objects_30
 #+BEGIN_SRC d
 @safe Tuple!(string, string[]) group_seg(O,M)(
   string          _txt,
@@ -1215,7 +1254,7 @@ import
 *** block
 **** block
 
-#+NAME: xhtml_format_objects
+#+NAME: xhtml_format_objects_31
 #+BEGIN_SRC d
 @safe string block(O,M)(
         string _txt,
@@ -1255,7 +1294,7 @@ import
 
 **** scroll
 
-#+NAME: xhtml_format_objects
+#+NAME: xhtml_format_objects_32
 #+BEGIN_SRC d
 @safe string block_scroll(O,M)(
   string          _txt,
@@ -1272,7 +1311,7 @@ import
 
 **** seg
 
-#+NAME: xhtml_format_objects
+#+NAME: xhtml_format_objects_33
 #+BEGIN_SRC d
 @safe Tuple!(string, string[]) block_seg(O,M)(
   string          _txt,
@@ -1296,7 +1335,7 @@ import
 *** poem verse
 **** verse
 
-#+NAME: xhtml_format_objects
+#+NAME: xhtml_format_objects_34
 #+BEGIN_SRC d
 @safe string verse(O,M)(
         string _txt,
@@ -1334,7 +1373,7 @@ import
 
 **** scroll
 
-#+NAME: xhtml_format_objects
+#+NAME: xhtml_format_objects_35
 #+BEGIN_SRC d
 @safe string verse_scroll(O,M)(
   string          _txt,
@@ -1351,7 +1390,7 @@ import
 
 **** seg
 
-#+NAME: xhtml_format_objects
+#+NAME: xhtml_format_objects_36
 #+BEGIN_SRC d
 @safe Tuple!(string, string[]) verse_seg(O,M)(
   string          _txt,
@@ -1446,7 +1485,7 @@ align="left|right|center"
 
 "style=\"text-align:"  ~ "right\""
 
-#+NAME: xhtml_format_objects
+#+NAME: xhtml_format_objects_37
 #+BEGIN_SRC d
 @safe Tuple!(string, string) tablarize(O)(
   string            _txt,
@@ -1485,7 +1524,7 @@ align="left|right|center"
 
 **** table
 
-#+NAME: xhtml_format_objects
+#+NAME: xhtml_format_objects_38
 #+BEGIN_SRC d
 @safe string table(O,M)(
         string _txt,
@@ -1531,8 +1570,22 @@ module doc_reform.io_out.html;
 template outputHTML() {
   <<output_imports_xml>>
   mixin outputXHTMLs;
-  <<output_html_scroll>>
-  <<output_html_seg>>
+  <<output_html_scroll_0>>
+  <<output_html_scroll_1>>
+  <<output_html_scroll_2>>
+  <<output_html_scroll_3>>
+  <<output_html_scroll_4>>
+  <<output_html_scroll_5>>
+  <<output_html_scroll_6>>
+  <<output_html_seg_0>>
+  <<output_html_seg_1>>
+  <<output_html_seg_2>>
+  <<output_html_seg_3>>
+  <<output_html_seg_4>>
+  <<output_html_seg_5>>
+  <<output_html_seg_6>>
+  <<output_html_seg_7>>
+  <<output_html_seg_8>>
   <<output_html_css>>
   <<copy_html_images>>
 }
@@ -1541,7 +1594,7 @@ template outputHTML() {
 ** scroll                                                            :scroll:
 *** ↻ loop & switch (sections & objects) format html output
 
-#+NAME: output_html_scroll
+#+NAME: output_html_scroll_0
 #+BEGIN_SRC d
 @safe void scroll(D,M)(
   const        D    doc_abstraction,
@@ -1559,7 +1612,7 @@ template outputHTML() {
 
 **** ↻ the loops & outer switch (sections & objects) format output
 
-#+NAME: output_html_scroll
+#+NAME: output_html_scroll_1
 #+BEGIN_SRC d
   foreach (part; doc_matters.has.keys_seq.scroll) {
     foreach (obj; doc_abstraction[part]) {
@@ -1570,7 +1623,7 @@ template outputHTML() {
 
 ***** frontmatter
 
-#+NAME: output_html_scroll
+#+NAME: output_html_scroll_2
 #+BEGIN_SRC d
       case "frontmatter":              assert(part == "head" || "toc");
         switch (obj.metainfo.is_of_type) {
@@ -1606,7 +1659,7 @@ template outputHTML() {
 
 ***** body
 
-#+NAME: output_html_scroll
+#+NAME: output_html_scroll_3
 #+BEGIN_SRC d
       case "body":                     assert(part == "body" || "head");
         switch (obj.metainfo.is_of_type) {
@@ -1674,7 +1727,7 @@ template outputHTML() {
 
 ***** backmatter
 
-#+NAME: output_html_scroll
+#+NAME: output_html_scroll_4
 #+BEGIN_SRC d
       case "backmatter":
         assert(part == "endnotes" || "glossary" || "bibliography" || "bookindex" || "blurb" || "tail");
@@ -1735,7 +1788,7 @@ template outputHTML() {
 
 ***** closings & post loop
 
-#+NAME: output_html_scroll
+#+NAME: output_html_scroll_5
 #+BEGIN_SRC d
       }
     }
@@ -1747,7 +1800,7 @@ template outputHTML() {
 
 *** write output file
 
-#+NAME: output_html_scroll
+#+NAME: output_html_scroll_6
 #+BEGIN_SRC d
 @trusted void scroll_write_output(D,M)(
   D doc,
@@ -1777,7 +1830,7 @@ template outputHTML() {
 ** seg                                                                  :seg:
 *** ↻ loop & switch (sections & objects) format html output
 
-#+NAME: output_html_seg
+#+NAME: output_html_seg_0
 #+BEGIN_SRC d
 @safe void seg(D,M)(
   const D    doc_abstraction,
@@ -1799,7 +1852,7 @@ template outputHTML() {
 
 **** ↻ the loop (sections & objects) format output
 
-#+NAME: output_html_seg
+#+NAME: output_html_seg_1
 #+BEGIN_SRC d
   foreach (part; doc_matters.has.keys_seq.seg) {
     foreach (obj; doc_abstraction[part]) {
@@ -1809,7 +1862,7 @@ template outputHTML() {
 
 ***** all headings
 
-#+NAME: output_html_seg
+#+NAME: output_html_seg_2
 #+BEGIN_SRC d
       if (obj.metainfo.is_a == "heading") {
         assert(part == "head" || "toc" || "body" || "endnotes" || "glossary" || "bibliography" || "bookindex" || "blurb" || "tail");
@@ -1882,7 +1935,7 @@ template outputHTML() {
 
 ***** non-heading
 
-#+NAME: output_html_seg
+#+NAME: output_html_seg_3
 #+BEGIN_SRC d
       } else {
         assert(part == "head" || "toc" || "body" || "endnotes" || "glossary" || "bibliography" || "bookindex" || "blurb" || "tail");
@@ -1891,7 +1944,7 @@ template outputHTML() {
 
 ****** frontmatter
 
-#+NAME: output_html_seg
+#+NAME: output_html_seg_4
 #+BEGIN_SRC d
         case "frontmatter":             assert(part == "head" || "toc");
           switch (obj.metainfo.is_of_type) {
@@ -1925,7 +1978,7 @@ template outputHTML() {
 
 ****** body
 
-#+NAME: output_html_seg
+#+NAME: output_html_seg_5
 #+BEGIN_SRC d
         case "body":                    assert(part == "body");
           switch (obj.metainfo.is_of_type) {
@@ -2001,7 +2054,7 @@ template outputHTML() {
 
 ****** backmatter
 
-#+NAME: output_html_seg
+#+NAME: output_html_seg_6
 #+BEGIN_SRC d
         case "backmatter":
           assert(part == "endnotes" || "glossary" || "bibliography" || "bookindex" || "blurb" || "tail");
@@ -2067,7 +2120,7 @@ template outputHTML() {
 
 ***** closings & post loop
 
-#+NAME: output_html_seg
+#+NAME: output_html_seg_7
 #+BEGIN_SRC d
       }
     }
@@ -2078,7 +2131,7 @@ template outputHTML() {
 
 *** write output files
 
-#+NAME: output_html_seg
+#+NAME: output_html_seg_8
 #+BEGIN_SRC d
 @trusted void seg_write_output(D,E,M)( // @system?
   D doc_html,
@@ -2194,10 +2247,22 @@ template outputEPub3() {
   <<output_imports_epub>>
   mixin InternalMarkup;
   mixin outputXHTMLs;
-  <<output_epub3_fixed>>
-  <<output_epub3_constructs>>
+  <<output_epub3_fixed_0>>
+  <<output_epub3_fixed_1>>
+  <<output_epub3_constructs_0>>
+  <<output_epub3_constructs_1>>
+  <<output_epub3_constructs_2>>
   <<output_epub3_xhtml>>
-  <<output_epub3_xhtml_seg>>
+  <<output_epub3_xhtml_seg_0>>
+  <<output_epub3_xhtml_seg_1>>
+  <<output_epub3_xhtml_seg_2>>
+  <<output_epub3_xhtml_seg_3>>
+  <<output_epub3_xhtml_seg_4>>
+  <<output_epub3_xhtml_seg_5>>
+  <<output_epub3_xhtml_seg_6>>
+  <<output_epub3_xhtml_seg_7>>
+  <<output_epub3_xhtml_seg_8>>
+  <<output_epub3_xhtml_seg_9>>
   <<output_epub3_css>>
 }
 #+END_SRC
@@ -2208,7 +2273,7 @@ template outputEPub3() {
 
 - mimetype file indicating that zip file contains an EPUB
 
-#+NAME: output_epub3_fixed
+#+NAME: output_epub3_fixed_0
 #+BEGIN_SRC d
 @safe string epub3_mimetypes() {
   string o;
@@ -2221,7 +2286,7 @@ template outputEPub3() {
 
 - identifies the root package document (so systems can find it), [unchanged from epub2]
 
-#+NAME: output_epub3_fixed
+#+NAME: output_epub3_fixed_1
 #+BEGIN_SRC d
 @safe string epub3_container_xml() {
   string o;
@@ -2243,7 +2308,7 @@ xmlns="urn:oasis:names:tc:opendocument:xmlns:container">
 - provides the default reading order
 - identifies the navigation document
 
-#+NAME: output_epub3_constructs
+#+NAME: output_epub3_constructs_0
 #+BEGIN_SRC d
 @safe string epub3_oebps_content(D,M,P)(D doc_abstraction, M doc_matters, P parts) {
   auto xhtml_format = outputXHTMLs();
@@ -2349,7 +2414,7 @@ xmlns="urn:oasis:names:tc:opendocument:xmlns:container">
 
 - toc_nav.xhtml declared as nav file in content.opf (epub3 navigation document)
 
-#+NAME: output_epub3_constructs
+#+NAME: output_epub3_constructs_1
 #+BEGIN_SRC d
 @safe string epub3_oebps_toc_nav_xhtml(D,I)(D doc_abstraction, I doc_matters) {
   enum DomTags { none, open, close, close_and_open, open_still, }
@@ -2437,7 +2502,7 @@ xmlns="urn:oasis:names:tc:opendocument:xmlns:container">
 - toc.ncx (epub2 navigation document)
   - (replaced in epub3 by a declared xhtml nav file, in our case toc_nav.xhtml)
 
-#+NAME: output_epub3_constructs
+#+NAME: output_epub3_constructs_2
 #+BEGIN_SRC d
 @safe string epub2_oebps_toc_ncx(D,I)(D doc_abstraction, I doc_matters) {
   int counter = 0;
@@ -2533,7 +2598,7 @@ xmlns="urn:oasis:names:tc:opendocument:xmlns:container">
 ** the document contents                                                :seg:
 *** ↻ loop & switch (sections & objects) format epub3 xhtml output
 
-#+NAME: output_epub3_xhtml_seg
+#+NAME: output_epub3_xhtml_seg_0
 #+BEGIN_SRC d
 @system void outputEPub3(D,I)(
   const D    doc_abstraction,
@@ -2564,7 +2629,7 @@ xmlns="urn:oasis:names:tc:opendocument:xmlns:container">
 
 **** ↻ the loop (sections & objects) format output
 
-#+NAME: output_epub3_xhtml_seg
+#+NAME: output_epub3_xhtml_seg_1
 #+BEGIN_SRC d
   foreach (part; doc_matters.has.keys_seq.seg) {
     foreach (obj; doc_abstraction[part]) {
@@ -2573,7 +2638,7 @@ xmlns="urn:oasis:names:tc:opendocument:xmlns:container">
 
 ***** all headings
 
-#+NAME: output_epub3_xhtml_seg
+#+NAME: output_epub3_xhtml_seg_2
 #+BEGIN_SRC d
       if (obj.metainfo.is_a == "heading") {
         assert(part == "head" || "toc" || "body" || "endnotes" || "glossary" || "bibliography" || "bookindex" || "blurb" || "tail");
@@ -2642,7 +2707,7 @@ xmlns="urn:oasis:names:tc:opendocument:xmlns:container">
 
 ***** non-heading
 
-#+NAME: output_epub3_xhtml_seg
+#+NAME: output_epub3_xhtml_seg_3
 #+BEGIN_SRC d
       } else {
         assert(part == "head" || "toc" || "body" || "endnotes" || "glossary" || "bibliography" || "bookindex" || "blurb" || "tail");
@@ -2651,7 +2716,7 @@ xmlns="urn:oasis:names:tc:opendocument:xmlns:container">
 
 ****** frontmatter
 
-#+NAME: output_epub3_xhtml_seg
+#+NAME: output_epub3_xhtml_seg_4
 #+BEGIN_SRC d
         case "frontmatter":             assert(part == "head" || "toc");
           switch (obj.metainfo.is_of_type) {
@@ -2686,7 +2751,7 @@ xmlns="urn:oasis:names:tc:opendocument:xmlns:container">
 
 ****** body
 
-#+NAME: output_epub3_xhtml_seg
+#+NAME: output_epub3_xhtml_seg_5
 #+BEGIN_SRC d
         case "body":                    assert(part == "body");
           switch (obj.metainfo.is_of_type) {
@@ -2762,7 +2827,7 @@ xmlns="urn:oasis:names:tc:opendocument:xmlns:container">
 
 ****** backmatter
 
-#+NAME: output_epub3_xhtml_seg
+#+NAME: output_epub3_xhtml_seg_6
 #+BEGIN_SRC d
         case "backmatter":
           assert(part == "endnotes" || "glossary" || "bibliography" || "bookindex" || "blurb" || "tail");
@@ -2873,7 +2938,7 @@ xmlns="urn:oasis:names:tc:opendocument:xmlns:container">
 
 ***** closings & post loop
 
-#+NAME: output_epub3_xhtml_seg
+#+NAME: output_epub3_xhtml_seg_7
 #+BEGIN_SRC d
       }
     }
@@ -2890,7 +2955,7 @@ xmlns="urn:oasis:names:tc:opendocument:xmlns:container">
 
 ** write output files                                             :write:zip:
 
-#+NAME: output_epub3_xhtml_seg
+#+NAME: output_epub3_xhtml_seg_8
 #+BEGIN_SRC d
 @system void epub3_write_output_files(W,M)(
   W epub_write,
@@ -3086,7 +3151,7 @@ xmlns="urn:oasis:names:tc:opendocument:xmlns:container">
 
 ** zip debug, read zip  archive                                         :zip:
 
-#+NAME: output_epub3_xhtml_seg
+#+NAME: output_epub3_xhtml_seg_9
 #+BEGIN_SRC d
   debug(epub_archive) {
     if (exists(fn_epub)) {