tagpdf (20jun24)

git-svn-id: svn://tug.org/texlive/trunk@71574 c570f23f-e606-0410-a88d-b1316a301751

17 files changed, 54 insertions, 52 deletions

diff --git a/Master/texmf-dist/tex/latex/tagpdf/tagpdf-base.sty b/Master/texmf-dist/tex/latex/tagpdf/tagpdf-base.sty
index 3b4313ba490..8f712c5b367 100644
--- a/Master/texmf-dist/tex/latex/tagpdf/tagpdf-base.sty
+++ b/Master/texmf-dist/tex/latex/tagpdf/tagpdf-base.sty
@@ -25,17 +25,18 @@
 %% and all files in that bundle must be distributed together.
 %% 
 %% File: tagpdf.dtx
-\ProvidesExplPackage {tagpdf-base} {2024-04-12} {0.99b}
+\ProvidesExplPackage {tagpdf-base} {2024-06-20} {0.99c}
   {part of tagpdf - provide base, no-op versions of the user commands }
+\cs_new_protected:Npn \__tag_whatsits: {}
 \AddToHook{begindocument}
  {
   \str_case:VnF \c_sys_backend_str
    {
-    { luatex  } { \cs_new_protected:Npn \__tag_whatsits: {} }
-    { dvisvgm } { \cs_new_protected:Npn \__tag_whatsits: {} }
+    { luatex  } { \cs_set_protected:Npn \__tag_whatsits: {} }
+    { dvisvgm } { \cs_set_protected:Npn \__tag_whatsits: {} }
    }
    {
-     \cs_new_protected:Npn \__tag_whatsits: {\tex_special:D {} }
+     \cs_set_protected:Npn \__tag_whatsits: {\tex_special:D {} }
    }
  }
 \cs_if_free:NT \pdf_object_new_indexed:nn
diff --git a/Master/texmf-dist/tex/latex/tagpdf/tagpdf-debug-generic.sty b/Master/texmf-dist/tex/latex/tagpdf/tagpdf-debug-generic.sty
index 87f53aa1b37..0b49140d300 100644
--- a/Master/texmf-dist/tex/latex/tagpdf/tagpdf-debug-generic.sty
+++ b/Master/texmf-dist/tex/latex/tagpdf/tagpdf-debug-generic.sty
@@ -19,7 +19,7 @@
 %% and all files in that bundle must be distributed together.
 %% 
 %% File: tagpdf-mc-generic.dtx
-\ProvidesExplPackage {tagpdf-debug-generic} {2024-04-12} {0.99b}
+\ProvidesExplPackage {tagpdf-debug-generic} {2024-06-20} {0.99c}
  {part of tagpdf - debugging code related to marking chunks - generic mode}
 \cs_set_protected:Npn \tag_mc_begin:n #1 %#1 keyval
   {
diff --git a/Master/texmf-dist/tex/latex/tagpdf/tagpdf-debug-lua.sty b/Master/texmf-dist/tex/latex/tagpdf/tagpdf-debug-lua.sty
index dc4b9f23fd5..4b6836ea134 100644
--- a/Master/texmf-dist/tex/latex/tagpdf/tagpdf-debug-lua.sty
+++ b/Master/texmf-dist/tex/latex/tagpdf/tagpdf-debug-lua.sty
@@ -19,7 +19,7 @@
 %% and all files in that bundle must be distributed together.
 %% 
 %% File: tagpdf-mc-luacode.dtx
-\ProvidesExplPackage {tagpdf-debug-lua} {2024-04-12} {0.99b}
+\ProvidesExplPackage {tagpdf-debug-lua} {2024-06-20} {0.99c}
  {part of tagpdf - debugging code related to marking chunks - lua mode}
 \cs_set_protected:Npn \__tag_mc_handle_stash:n #1 %1 mcidnum
   {
diff --git a/Master/texmf-dist/tex/latex/tagpdf/tagpdf-debug.sty b/Master/texmf-dist/tex/latex/tagpdf/tagpdf-debug.sty
index c68acae7bac..b3fd520713b 100644
--- a/Master/texmf-dist/tex/latex/tagpdf/tagpdf-debug.sty
+++ b/Master/texmf-dist/tex/latex/tagpdf/tagpdf-debug.sty
@@ -26,7 +26,7 @@
 %% and all files in that bundle must be distributed together.
 %% 
 %% File: tagpdf.dtx
-\ProvidesExplPackage {tagpdf-debug} {2024-04-12} {0.99b}
+\ProvidesExplPackage {tagpdf-debug} {2024-06-20} {0.99c}
   { debug code for tagpdf }
 \@ifpackageloaded{tagpdf}{}{\PackageWarning{tagpdf-debug}{tagpdf~not~loaded,~quitting}\endinput}
 \prop_gput:Nnn \g_msg_module_type_prop { tag / debug} {}
@@ -279,7 +279,7 @@
         { g__tag_struct_#1_prop }{#2}{#3}
 \prop_gput:cnn { g__tag_struct_debug_#1_prop } {#2} {#3}
  }
-\cs_generate_variant:Nn \__tag_struct_prop_gput:nnn {nne,nee,nno}
+\cs_generate_variant:Nn \__tag_struct_prop_gput:nnn {onn,nne,nee,nno}
 
 \prop_new:c { g__tag_struct_debug_1_prop }
 \seq_new:c  { g__tag_struct_debug_kids_1_seq }
@@ -450,6 +450,7 @@
                   { g__tag_struct_ \l__tag_struct_stack_parent_tmpa_tl _prop}
                   {S}
                   \l__tag_tmpa_tl
+                \quark_if_no_value:NT\l__tag_tmpa_tl{\tl_set:Nn \l__tag_tmpa_tl{UNKNOWN}}
                 \msg_warning:nneee
                  { tag }
                  {role-parent-child}
diff --git a/Master/texmf-dist/tex/latex/tagpdf/tagpdf-luatex.def b/Master/texmf-dist/tex/latex/tagpdf/tagpdf-luatex.def
index 60acd57cf1b..09846bc0b56 100644
--- a/Master/texmf-dist/tex/latex/tagpdf/tagpdf-luatex.def
+++ b/Master/texmf-dist/tex/latex/tagpdf/tagpdf-luatex.def
@@ -19,7 +19,7 @@
 %% and all files in that bundle must be distributed together.
 %% 
 %% File: tagpdf-backend.dtx
-\ProvidesExplFile {tagpdf-luatex.def} {2024-04-12} {0.99b}
+\ProvidesExplFile {tagpdf-luatex.def} {2024-06-20} {0.99c}
   {tagpdf~driver~for~luatex}
 {
   \fontencoding{TU}\fontfamily{lmr}\fontseries{m}\fontshape{n}\fontsize{10pt}{10pt}\selectfont
diff --git a/Master/texmf-dist/tex/latex/tagpdf/tagpdf-mc-code-generic.sty b/Master/texmf-dist/tex/latex/tagpdf/tagpdf-mc-code-generic.sty
index 3265398f323..ca704be6e82 100644
--- a/Master/texmf-dist/tex/latex/tagpdf/tagpdf-mc-code-generic.sty
+++ b/Master/texmf-dist/tex/latex/tagpdf/tagpdf-mc-code-generic.sty
@@ -19,7 +19,7 @@
 %% and all files in that bundle must be distributed together.
 %% 
 %% File: tagpdf-mc-generic.dtx
-\ProvidesExplPackage {tagpdf-mc-code-generic} {2024-04-12} {0.99b}
+\ProvidesExplPackage {tagpdf-mc-code-generic} {2024-06-20} {0.99c}
  {part of tagpdf - code related to marking chunks - generic mode}
 \tl_new:N \l__tag_mc_ref_abspage_tl
 
diff --git a/Master/texmf-dist/tex/latex/tagpdf/tagpdf-mc-code-lua.sty b/Master/texmf-dist/tex/latex/tagpdf/tagpdf-mc-code-lua.sty
index c5a29e7d608..1057a7bc678 100644
--- a/Master/texmf-dist/tex/latex/tagpdf/tagpdf-mc-code-lua.sty
+++ b/Master/texmf-dist/tex/latex/tagpdf/tagpdf-mc-code-lua.sty
@@ -19,7 +19,7 @@
 %% and all files in that bundle must be distributed together.
 %% 
 %% File: tagpdf-mc-luacode.dtx
-\ProvidesExplPackage {tagpdf-mc-code-lua} {2024-04-12} {0.99b}
+\ProvidesExplPackage {tagpdf-mc-code-lua} {2024-06-20} {0.99c}
   {tagpdf - mc code only for the luamode }
 \hook_gput_code:nnn{begindocument}{tagpdf/mc}
   {
diff --git a/Master/texmf-dist/tex/latex/tagpdf/tagpdf-ns-latex-book.def b/Master/texmf-dist/tex/latex/tagpdf/tagpdf-ns-latex-book.def
index 9cfda9d64bd..19dac1571b8 100644
--- a/Master/texmf-dist/tex/latex/tagpdf/tagpdf-ns-latex-book.def
+++ b/Master/texmf-dist/tex/latex/tagpdf/tagpdf-ns-latex-book.def
@@ -19,7 +19,7 @@
 %% and all files in that bundle must be distributed together.
 %% 
 %% File: tagpdf-data.dtx
-%% \ProvidesExplFile {tagpdf-ns-latex-book.def} {2024-04-12} {0.99b}
+%% \ProvidesExplFile {tagpdf-ns-latex-book.def} {2024-06-20} {0.99c}
 %% {latex-book} {https://www.latex-project.org/ns/book/2022}{}
 chapter,       H1,pdf2,
 section,       H2,pdf2,
diff --git a/Master/texmf-dist/tex/latex/tagpdf/tagpdf-ns-latex.def b/Master/texmf-dist/tex/latex/tagpdf/tagpdf-ns-latex.def
index 73673fd39de..4b51be0e8d7 100644
--- a/Master/texmf-dist/tex/latex/tagpdf/tagpdf-ns-latex.def
+++ b/Master/texmf-dist/tex/latex/tagpdf/tagpdf-ns-latex.def
@@ -19,7 +19,7 @@
 %% and all files in that bundle must be distributed together.
 %% 
 %% File: tagpdf-data.dtx
-%% \ProvidesExplFile {tagpdf-ns-latex.def} {2024-04-12} {0.99b}
+%% \ProvidesExplFile {tagpdf-ns-latex.def} {2024-06-20} {0.99c}
 %% {latex} {https://www.latex-project.org/ns/dflt/2022}{}
 title,        Title,    pdf2,
 part,         Title,    pdf2,
diff --git a/Master/texmf-dist/tex/latex/tagpdf/tagpdf-ns-mathml.def b/Master/texmf-dist/tex/latex/tagpdf/tagpdf-ns-mathml.def
index fb712526194..bca7660ca53 100644
--- a/Master/texmf-dist/tex/latex/tagpdf/tagpdf-ns-mathml.def
+++ b/Master/texmf-dist/tex/latex/tagpdf/tagpdf-ns-mathml.def
@@ -19,7 +19,7 @@
 %% and all files in that bundle must be distributed together.
 %% 
 %% File: tagpdf-data.dtx
-%% \ProvidesExplFile {tagpdf-ns-mathml.def} {2024-04-12} {0.99b}
+%% \ProvidesExplFile {tagpdf-ns-mathml.def} {2024-06-20} {0.99c}
 abs,abs,mathml,
 and,and,mathml,
 annotation,annotation,mathml,
diff --git a/Master/texmf-dist/tex/latex/tagpdf/tagpdf-ns-pdf.def b/Master/texmf-dist/tex/latex/tagpdf/tagpdf-ns-pdf.def
index cdd6116f9f9..2e2ccc6c45f 100644
--- a/Master/texmf-dist/tex/latex/tagpdf/tagpdf-ns-pdf.def
+++ b/Master/texmf-dist/tex/latex/tagpdf/tagpdf-ns-pdf.def
@@ -19,7 +19,7 @@
 %% and all files in that bundle must be distributed together.
 %% 
 %% File: tagpdf-data.dtx
-%% \ProvidesExplFile {tagpdf-ns-pdf.def} {2024-04-12} {0.99b}
+%% \ProvidesExplFile {tagpdf-ns-pdf.def} {2024-06-20} {0.99c}
 %%  {pdf}   {http://iso.org/pdf/ssn}{}
 StructTreeRoot,StructTreeRoot,pdf,D,
 Document,Document,pdf,D,
diff --git a/Master/texmf-dist/tex/latex/tagpdf/tagpdf-ns-pdf2.def b/Master/texmf-dist/tex/latex/tagpdf/tagpdf-ns-pdf2.def
index 6c745639fdc..b5cb091a716 100644
--- a/Master/texmf-dist/tex/latex/tagpdf/tagpdf-ns-pdf2.def
+++ b/Master/texmf-dist/tex/latex/tagpdf/tagpdf-ns-pdf2.def
@@ -19,7 +19,7 @@
 %% and all files in that bundle must be distributed together.
 %% 
 %% File: tagpdf-data.dtx
-%% \ProvidesExplFile {tagpdf-ns-pdf2.def} {2024-04-12} {0.99b}
+%% \ProvidesExplFile {tagpdf-ns-pdf2.def} {2024-06-20} {0.99c}
 %%  {pdf2}  {http://iso.org/pdf2/ssn}{}
 StructTreeRoot,StructTreeRoot,pdf2,D,
 Document,Document,pdf2,D,
diff --git a/Master/texmf-dist/tex/latex/tagpdf/tagpdf-parent-child-2.csv b/Master/texmf-dist/tex/latex/tagpdf/tagpdf-parent-child-2.csv
index e04a559b1af..b0495a598c1 100644
--- a/Master/texmf-dist/tex/latex/tagpdf/tagpdf-parent-child-2.csv
+++ b/Master/texmf-dist/tex/latex/tagpdf/tagpdf-parent-child-2.csv
@@ -19,7 +19,7 @@
 %% and all files in that bundle must be distributed together.
 %% 
 %% File: tagpdf-data.dtx
-%% \ProvidesExplFile {tagpdf-parent-child-2.csv} {2024-04-12} {0.99b}
+%% \ProvidesExplFile {tagpdf-parent-child-2.csv} {2024-06-20} {0.99c}
 ,,,StructTreeRoot,Document,DocumentFragment,Art,Part,Div,Sect,Aside,BlockQuote,NonStruct,TOC,TOCI,Index,Private,Title,Sub,Quote,Note,Reference,BibEntry,P,Hn,H,Lbl,Code,Em,Strong,Span,Link,Annot,Form,Ruby,RB,RT,RP,Warichu,WT,WP,FENote,L,LI,LBody,Table,TR,TH,TD,THead,TBody,TFoot,Caption,Figure,Formula,math,mathml,Artifact,MC
 Document,both,document level,1,0..n,0..n,∅,‡,‡,∅,0..n,0..n,‡,∅,∅,∅,0..n,∅,∅,∅,∅,∅,∅,∅,∅,∅,∅,∅,∅,∅,∅,∅,∅,∅,∅,∅,∅,∅,∅,∅,∅,∅,∅,∅,∅,∅,∅,∅,∅,∅,∅,∅,∅,∅,∅,∅,∅,0..n,∅
 DocumentFragment,2.0,document level,∅,0..n,0..n,0..n,‡,‡,0..n,0..n,0..n,‡,∅,∅,∅,0..n,∅,∅,∅,∅*,∅,∅,∅,∅,∅,∅,∅*,∅,∅,∅,∅*,∅*,∅,∅,∅,∅,∅,∅,∅,∅,∅*,∅,∅,∅,∅,∅,∅,∅,∅,∅,∅,∅*,∅,∅,∅,∅,0..n,∅
diff --git a/Master/texmf-dist/tex/latex/tagpdf/tagpdf-parent-child.csv b/Master/texmf-dist/tex/latex/tagpdf/tagpdf-parent-child.csv
index 1333fe7bda6..c3b120e5d5a 100644
--- a/Master/texmf-dist/tex/latex/tagpdf/tagpdf-parent-child.csv
+++ b/Master/texmf-dist/tex/latex/tagpdf/tagpdf-parent-child.csv
@@ -19,7 +19,7 @@
 %% and all files in that bundle must be distributed together.
 %% 
 %% File: tagpdf-data.dtx
-%% \ProvidesExplFile {tagpdf-parent-child.csv} {2024-04-12} {0.99b}
+%% \ProvidesExplFile {tagpdf-parent-child.csv} {2024-06-20} {0.99c}
 ,,,StructTreeRoot,Document,Art,Part,Div,Sect,BlockQuote,NonStruct,TOC,TOCI,Index,Private,Quote,Note,Reference,BibEntry,P,Hn,H,Lbl,Code,Span,Link,Annot,Form,Ruby,RB,RT,RP,Warichu,WT,WP,L,LI,LBody,Table,TR,TH,TD,THead,TBody,TFoot,Caption,Figure,Formula,MC
 Document,both,document level,1,0..n,∅,‡,‡,∅,0..n,‡,∅,∅,∅,0..n,∅,∅,∅,∅,∅,∅,∅,∅,∅,∅,∅,∅,∅,∅,∅,∅,∅,∅,∅,∅,∅,∅,∅,∅,∅,∅,∅,∅,∅,∅,∅,∅,∅,∅
 Art,1.7,grouping,∅,0..n,∅,‡,‡,0..n,0..n,‡,∅,∅,∅,0..n,∅,0..n,∅,∅,∅,0..1,0..1,∅,∅,∅,0..n,0..n,∅,∅,∅,∅,∅,∅,∅,∅,∅,∅,0..n,∅,∅,0..n,0..n,∅,∅,∅,0..n,0..n,∅,∅
diff --git a/Master/texmf-dist/tex/latex/tagpdf/tagpdf.lua b/Master/texmf-dist/tex/latex/tagpdf/tagpdf.lua
index cc75987715d..425dd8120f1 100644
--- a/Master/texmf-dist/tex/latex/tagpdf/tagpdf.lua
+++ b/Master/texmf-dist/tex/latex/tagpdf/tagpdf.lua
@@ -24,8 +24,8 @@
 
 local ProvidesLuaModule = {
     name          = "tagpdf",
-    version       = "0.99b",       --TAGVERSION
-    date          = "2024-04-12", --TAGDATE
+    version       = "0.99c",       --TAGVERSION
+    date          = "2024-06-20", --TAGDATE
     description   = "tagpdf lua code",
     license       = "The LATEX Project Public License 1.3c"
 }
@@ -53,8 +53,8 @@ ltx.__tag.page   will contain page data
 ltx.__tag.tables contains also data from mc and struct (from older code). This needs cleaning up.
              There are certainly dublettes, but I don't dare yet ...
 ltx.__tag.func   will contain (public) functions.
-ltx.__tag.trace  will contain tracing/loging functions.
-local funktions starts with __
+ltx.__tag.trace  will contain tracing/logging functions.
+local functions starts with __
 functions meant for users will be in ltx.tag
 
 functions
@@ -67,7 +67,7 @@ functions
  ltx.__tag.func.store_mc_kid (mcnum,kid,page): stores the mc-kids of mcnum on page page
  ltx.__tag.func.store_mc_in_page(mcnum,mcpagecnt,page): stores in the page table the number of mcnum on this page
  ltx.__tag.func.store_struct_mcabs (structnum,mcnum): stores relations structnum<->mcnum (abs)
- ltx.__tag.func.mc_insert_kids (mcnum): inserts the /K entries for mcnum by wandering throught the [kids] table
+ ltx.__tag.func.mc_insert_kids (mcnum): inserts the /K entries for mcnum by wandering through the [kids] table
  ltx.__tag.func.mark_page_elements(box,mcpagecnt,mccntprev,mcopen,name,mctypeprev) : the main function
  ltx.__tag.func.mark_shipout (): a wrapper around the core function which inserts the last EMC
  ltx.__tag.func.fill_parent_tree_line (page): outputs the entries of the parenttree for this page
diff --git a/Master/texmf-dist/tex/latex/tagpdf/tagpdf.sty b/Master/texmf-dist/tex/latex/tagpdf/tagpdf.sty
index d021f6d303c..1688cdf6478 100644
--- a/Master/texmf-dist/tex/latex/tagpdf/tagpdf.sty
+++ b/Master/texmf-dist/tex/latex/tagpdf/tagpdf.sty
@@ -28,7 +28,7 @@
 %% and all files in that bundle must be distributed together.
 %% 
 %% File: tagpdf.dtx
-\ProvidesExplPackage {tagpdf} {2024-04-12} {0.99b}
+\ProvidesExplPackage {tagpdf} {2024-06-20} {0.99c}
   { A package to experiment with pdf tagging }
 
 \bool_if:nF
@@ -925,6 +925,7 @@
          {
           \l__tag_tmpa_tl
          }
+      \prop_gput:cnn { g__tag_struct_1_prop } {S}{ /StructTreeRoot }
   }
 \cs_new_protected:Npn \__tag_tree_write_structelements:
   {
@@ -1547,19 +1548,31 @@
   {
     \hook_gput_code:nnn {begindocument}{tagpdf}
       {
-        \cs_if_exist:NT \chapter
-           {
-             \prop_map_inline:cn{g__tag_role_NS_latex-book_prop}
-               {
-                 \__tag_role_add_tag:ne {#1}{\use_i:nn #2\c_empty_tl\c_empty_tl}
-               }
-           }
+        \bool_lazy_and:nnT
+         {
+           \cs_if_exist_p:N \chapter
+         }
+         {
+           \cs_if_exist_p:N \c@chapter
+         }
+         {
+           \prop_map_inline:cn{g__tag_role_NS_latex-book_prop}
+             {
+               \__tag_role_add_tag:ne {#1}{\use_i:nn #2\c_empty_tl\c_empty_tl}
+             }
+         }
       }
   }
   {
     \hook_gput_code:nnn {begindocument}{tagpdf}
       {
-        \cs_if_exist:NT \chapter
+        \bool_lazy_and:nnT
+         {
+           \cs_if_exist_p:N \chapter
+         }
+         {
+           \cs_if_exist_p:N \c@chapter
+         }
          {
            \prop_map_inline:cn{g__tag_role_NS_latex-book_prop}
              {
@@ -1972,7 +1985,7 @@
     T,                 %title, value in () or <>
     Lang,              %language
     Alt,               % value in () or <>
-    E,                 % abreviation
+    E,                 % abbreviation
     ActualText,
     AF,                 %pdf 2.0, array of dict, associated files
     NS,                 %pdf 2.0, dict, namespace
@@ -2008,7 +2021,7 @@
    \__tag_prop_gput:cnn
         { g__tag_struct_#1_prop }{#2}{#3}
  }
-\cs_generate_variant:Nn \__tag_struct_prop_gput:nnn {nne,nee,nno}
+\cs_generate_variant:Nn \__tag_struct_prop_gput:nnn {onn,nne,nee,nno}
 
 \tl_gset:Nn \g__tag_struct_stack_current_tl {1}
 \cs_new:Npn \__tag_pdf_name_e:n #1{\pdf_name_from_unicode_e:n{#1}}
@@ -2239,7 +2252,7 @@
       }
   }
 
-\cs_new_protected:Npn \__tag_struct_get_dict_content:nN #1 #2 %#1: stucture num
+\cs_new_protected:Npn \__tag_struct_get_dict_content:nN #1 #2 %#1: structure num
   {
     \tl_clear:N #2
     \prop_map_inline:cn { g__tag_struct_#1_prop }
@@ -2717,6 +2730,7 @@
                   { g__tag_struct_ \l__tag_struct_stack_parent_tmpa_tl _prop}
                   {S}
                   \l__tag_tmpa_tl
+                \quark_if_no_value:NT\l__tag_tmpa_tl{\tl_set:Nn \l__tag_tmpa_tl{UNKNOWN}}
                 \msg_warning:nneee
                  { tag }
                  {role-parent-child}
diff --git a/Master/texmf-dist/tex/latex/tagpdf/tagpdfdocu-patches.sty b/Master/texmf-dist/tex/latex/tagpdf/tagpdfdocu-patches.sty
index 38a5f0196d4..936f8adacd2 100644
--- a/Master/texmf-dist/tex/latex/tagpdf/tagpdfdocu-patches.sty
+++ b/Master/texmf-dist/tex/latex/tagpdf/tagpdfdocu-patches.sty
@@ -1,5 +1,5 @@
 %\RequirePackage[enable-debug]{expl3}[2018/06/14]
-\ProvidesExplPackage {tagpdfdocu-patches} {2024-04-12} {0.99b}
+\ProvidesExplPackage {tagpdfdocu-patches} {2024-06-20} {0.99c}
  {patches/commands for the tagpdf documentation}
 \RequirePackage{etoolbox,xpatch}
 
@@ -33,7 +33,7 @@
     \else
       \addpenalty\@secpenalty\addvspace{1.5ex}%
     \fi
-  {\tagpdfsetup{paratag=H10}\parindent \z@    
+  {\tagpdfsetup{para/maintag=P,para/tag=Strong}\parindent \z@    
    \setlength{\parfillskip}{\z@ plus 1fil}%
     \raggedright\normalfont\bfseries\nobreak
     \nobreak\interlinepenalty \@M #1\par\nobreak%
@@ -92,7 +92,7 @@
 % the before upper setting is dangerous as it can be overwritten by
 % users. So a more stable hook is needed.
 % we force also a \par and add a div structure, to avoid clashes with the block
-% tagging code. This needs revisting!
+% tagging code. This needs revisiting!
 
 \AddToHook{env/tcolorbox/before}{\par\tagstructbegin{tag=Div}}
 \AddToHook{env/tcolorbox/begin}{\tagpdfparaOff \tcbset{before upper=\tagpdfparaOn}}
@@ -177,20 +177,6 @@
         {bbox}{/O /Layout /BBox [0 0 100 100]}
   }
 
-% ======= maketitle
-
-\renewcommand\maketitle{%
-   \tagstructbegin{tag=Title}
-   \begin{center}%
-   \let\thanks\footnote
-   \makeatletter
-   \huge \@title \par
-   \vskip .5em
-   \@author \par
-   \vskip 1em%
-   \@date \par
-   \end{center}%
-   \tagstructend}
 
 
 \endinput