tagpdf (11may22)

git-svn-id: svn://tug.org/texlive/trunk@63282 c570f23f-e606-0410-a88d-b1316a301751

27 files changed, 252 insertions, 190 deletions

diff --git a/Master/texmf-dist/doc/latex/tagpdf/README.md b/Master/texmf-dist/doc/latex/tagpdf/README.md
index f614f459fa4..5f0f5ceccf3 100644
--- a/Master/texmf-dist/doc/latex/tagpdf/README.md
+++ b/Master/texmf-dist/doc/latex/tagpdf/README.md
@@ -1,6 +1,6 @@
 #tagpdf — A package to create tagged pdf
-Packageversion: 0.93 
-Packagedate: 2022/01/13
+Packageversion: 0.94 
+Packagedate: 2022/05/11
 Author: Ulrike Fischer
 
 ## License
diff --git a/Master/texmf-dist/doc/latex/tagpdf/tagpdf-code.pdf b/Master/texmf-dist/doc/latex/tagpdf/tagpdf-code.pdf
index 6f92329af50..6ecb01b35de 100644
--- a/Master/texmf-dist/doc/latex/tagpdf/tagpdf-code.pdf
+++ b/Master/texmf-dist/doc/latex/tagpdf/tagpdf-code.pdf
diff --git a/Master/texmf-dist/doc/latex/tagpdf/tagpdf-code.tex b/Master/texmf-dist/doc/latex/tagpdf/tagpdf-code.tex
index d51c2099299..9e71bc1eff9 100644
--- a/Master/texmf-dist/doc/latex/tagpdf/tagpdf-code.tex
+++ b/Master/texmf-dist/doc/latex/tagpdf/tagpdf-code.tex
@@ -23,11 +23,7 @@
  for those people who are interested.
 
  \fi
-\RequirePackage{pdfmanagement-testphase}
-\DeclareDocumentMetadata{}
-\makeatletter
-\declare@file@substitution{doc.sty}{doc-v3beta.sty}
-\makeatother
+\DocumentMetadata{}
 \documentclass{l3doc}
 
 % The next line is needed so that \GetFileInfo will be able to pick up
diff --git a/Master/texmf-dist/doc/latex/tagpdf/tagpdf.pdf b/Master/texmf-dist/doc/latex/tagpdf/tagpdf.pdf
index 72892e853c1..d031e46f2d8 100644
--- a/Master/texmf-dist/doc/latex/tagpdf/tagpdf.pdf
+++ b/Master/texmf-dist/doc/latex/tagpdf/tagpdf.pdf
diff --git a/Master/texmf-dist/doc/latex/tagpdf/tagpdf.tex b/Master/texmf-dist/doc/latex/tagpdf/tagpdf.tex
index af08d816512..8b1cf9f9b08 100644
--- a/Master/texmf-dist/doc/latex/tagpdf/tagpdf.tex
+++ b/Master/texmf-dist/doc/latex/tagpdf/tagpdf.tex
@@ -4,8 +4,8 @@
 \DocumentMetadata{pdfversion=2.0,lang=en-UK,testphase=phase-II}
 
 \makeatletter
-\def\UlrikeFischer@package@version{0.93}
-\def\UlrikeFischer@package@date{2022-01-13}
+\def\UlrikeFischer@package@version{0.94}
+\def\UlrikeFischer@package@date{2022-05-11}
 \makeatother
 
 \documentclass[DIV=12,parskip=half-,bibliography=totoc]{scrartcl}
@@ -57,7 +57,7 @@
  }
 
 \usepackage{hyperxmp}
-\usepackage[pdfdisplaydoctitle=true,hyperfootnotes=false,
+\usepackage[pdfdisplaydoctitle=true,%hyperfootnotes=false,
             ]{hyperref}
 
  \hypersetup{
@@ -96,9 +96,6 @@
 
 \begin{document}
 
-\tagstructbegin{tag=Document}
-
-
 \tagstructbegin{tag=Title}
 \tagmcbegin{tag=Title}
 
@@ -150,6 +147,14 @@ Issues, comments, suggestions should be added as issues to the github tracker:
 
 
 \tableofcontents
+\section{Preface to version 0.94}
+
+In this version a small package, \pkg{tagpdf-base} has been added. It provides
+no-op versions of the main expl3 user commands for packages that want to support
+tagging but can't be sure if the \pkg{tagpdf} package has been loaded.
+
+
+
 \section{Preface to version 0.93}
 The main change in the package itself in this version is the support for structure destinations.
 This is a new type of destinations in \PDF~2.0.
@@ -189,7 +194,7 @@ Since many year the creation of accessible \PDF{}-files with \LaTeX\ which confo
 But in my opinion missing are means to \emph{experiment} with tagging and accessibility. Means to try out, how difficult it is to tag some structures, means to try out, how much tagging is really needed (standards and validators don't need to be right \ldots), means to test what else is needed so that a \PDF{} works e.g. with a screen reader. Without such experiments it is imho quite difficult to get a feeling about what has to be done, which kernel changes are needed, how packages should be adapted.
 
 This package tries to close this gap by offering \emph{core} commands to tag a \PDF{}%
-\tagpdfparaOff\footnote{In case you don't know what this means: there will be some explanations later on.}\tagpdfparaOn.
+\footnote{In case you don't know what this means: there will be some explanations later on.}.
 
 My hope is that the knowledge gained by the use of this package will at the end allow to decide if and how code to do tagging should be part of the \LaTeX\ kernel.
 
@@ -566,7 +571,7 @@ That's a debug option, it helps in lua mode to see where space glyph will be ins
 \section{Tagging}
 
 
-pdf is a page orientated graphic format. It simply puts ink and glyphs at various coordinates on a page. A simple stream of a page can look like this\tagpdfparaOff\footnote{The appendix contains some remarks about the syntax of a \PDF{} file}\tagpdfparaOn:
+pdf is a page orientated graphic format. It simply puts ink and glyphs at various coordinates on a page. A simple stream of a page can look like this\footnote{The appendix contains some remarks about the syntax of a \PDF{} file}:
 
 \begin{lstlisting}[columns=fixed]
 stream
@@ -711,7 +716,7 @@ They are marked with of a pair of keywords, \texttt{BDC} and \texttt{EMC} which
 
 
 
-\item[Content]  Content is marked also with of a pair of keywords, \texttt{BDC} and \texttt{EMC}. The first argument of \texttt{BDC} is a tag name which describes the structural type of the text\tagpdfparaOff\footnote{There is quite some redundancy in the specification here. The structural type is also set in the structure tree. One wonders if it isn't enough to use  always \texttt{/SPAN} here.}\tagpdfparaOn
+\item[Content]  Content is marked also with of a pair of keywords, \texttt{BDC} and \texttt{EMC}. The first argument of \texttt{BDC} is a tag name which describes the structural type of the text\footnote{There is quite some redundancy in the specification here. The structural type is also set in the structure tree. One wonders if it isn't enough to use  always \texttt{/SPAN} here.}
     Examples are \texttt{/P} (paragraph), \texttt{/H2} (heading), \texttt{/TD} (table cell). The reference mentions a number of standard types but it is possible to add more or to use different names.
 
 In the second argument of \texttt{BDC} -- in the property dictionary -- more data can be stored. \emph{Required} is an \texttt{/MCID}-key which takes an integer as a value:
@@ -1436,7 +1441,8 @@ As an example here an attribute that can be attached to tabular header (type TH)
 One or more such attributes can be attached to a structure element. It is also possible to store such an attribute under a symbolic name in a so-called \enquote{ClassedMap} and then to attach references to such classes to a structure.
 
 To use such attributes you must at first declare it in \verb+\tagpdfsetup+ with the key \texttt{newattribute}. This key takes two argument, a name and the content of the attribute.
-The name should be a sensible key name, the content a dictionary.
+The name should be a sensible key name, it is converted to a pdf name with
+\verb+\pdf_name_from_unicode_e:n+, so slashes and spaces are allow. The content should be a dictionary without the braket.
 
 
 
@@ -1987,7 +1993,6 @@ This maps 0 to an array and 2 to the object reference \texttt{21 0 R}. Number tr
 \end{description}
 
 
-\tagstructend %document
 \end{document}
 %http://msf.mathmlcloud.org/file_formats/8 %sample \PDF{} for math
 
diff --git a/Master/texmf-dist/source/latex/tagpdf/tagpdf-backend.dtx b/Master/texmf-dist/source/latex/tagpdf/tagpdf-backend.dtx
index dcf7afb8234..17fd4407921 100644
--- a/Master/texmf-dist/source/latex/tagpdf/tagpdf-backend.dtx
+++ b/Master/texmf-dist/source/latex/tagpdf/tagpdf-backend.dtx
@@ -23,11 +23,7 @@
 % for those people who are interested.
 %
 %<*driver>
-\RequirePackage{pdfmanagement-testphase}
-\DeclareDocumentMetadata{}
-\makeatletter
-\declare@file@substitution{doc.sty}{doc-v3beta.sty}
-\makeatother
+\DocumentMetadata{}
 \documentclass{l3doc}
 \usepackage{array,booktabs,caption}
 \hypersetup{pdfauthor=Ulrike Fischer,
@@ -51,13 +47,13 @@
 %    }^^A
 % }
 %
-% \date{Version 0.93, released 2022-01-13}
+% \date{Version 0.94, released 2022-05-11}
 % \maketitle
 % \begin{implementation}
 %    \begin{macrocode}
 %<@@=tag>
 %<*luatex>
-\ProvidesExplFile {tagpdf-luatex.def} {2022-01-13} {0.93}
+\ProvidesExplFile {tagpdf-luatex.def} {2022-05-11} {0.94}
   {tagpdf~driver~for~luatex}
 %    \end{macrocode}
 % \section{Loading the lua}
@@ -161,8 +157,8 @@
 
 local ProvidesLuaModule = {
     name          = "tagpdf",
-    version       = "0.93",       --TAGVERSION
-    date          = "2022-01-13", --TAGDATE
+    version       = "0.94",       --TAGVERSION
+    date          = "2022-05-11", --TAGDATE
     description   = "tagpdf lua code",
     license       = "The LATEX Project Public License 1.3c"
 }
diff --git a/Master/texmf-dist/source/latex/tagpdf/tagpdf-checks.dtx b/Master/texmf-dist/source/latex/tagpdf/tagpdf-checks.dtx
index 53f97383f88..add77ce81f7 100644
--- a/Master/texmf-dist/source/latex/tagpdf/tagpdf-checks.dtx
+++ b/Master/texmf-dist/source/latex/tagpdf/tagpdf-checks.dtx
@@ -24,11 +24,7 @@
 %
 %
 %<*driver>
-\RequirePackage{pdfmanagement-testphase}
-\DeclareDocumentMetadata{}
-\makeatletter
-\declare@file@substitution{doc.sty}{doc-v3beta.sty}
-\makeatother
+\DocumentMetadata{}
 \documentclass{l3doc}
 \usepackage{array,booktabs,caption}
 \hypersetup{pdfauthor=Ulrike Fischer,
@@ -52,7 +48,7 @@
 %    }^^A
 % }
 %
-% \date{Version 0.93, released 2022-01-13}
+% \date{Version 0.94, released 2022-05-11}
 % \maketitle
 % \begin{documentation}
 % \section{Commands}
@@ -298,7 +294,7 @@
 %    \begin{macrocode}
 %<@@=tag>
 %<*header>
-\ProvidesExplPackage {tagpdf-checks-code} {2022-01-13} {0.93}
+\ProvidesExplPackage {tagpdf-checks-code} {2022-05-11} {0.94}
  {part of tagpdf - code related to checks, conditionals, debugging and messages}
 %</header>
 %    \end{macrocode}
@@ -468,6 +464,7 @@
 % the only sensible values for the argument are |mc_tag| and |struct_tag|.
 %    \begin{macrocode}
 \cs_new:Npn \tag_get:n #1   { \use:c {@@_get_data_#1: } }
+%</package>
 %    \end{macrocode}
 % \end{macro}
 %
@@ -478,7 +475,12 @@
 % The test is true if all booleans, the global and the two local one are true.
 %
 %    \begin{macrocode}
+%<*base>
 \prg_new_conditional:Npnn \tag_if_active: { p , T , TF, F }
+  { \prg_return_false: }
+%</base>
+%<*package>
+\prg_set_conditional:Npnn \tag_if_active: { p , T , TF, F }
   {
      \bool_lazy_all:nTF
        {
@@ -528,7 +530,7 @@
   }
 %    \end{macrocode}
 % \end{macro}
-% \subsection{Checks related to stuctures}
+% \subsection{Checks related to structures}
 % \begin{macro}{\@@_check_structure_has_tag:n}
 % Structures must have a tag, so we check if the S entry is in the property.
 % It is an error if this is missing. The argument is a number.
diff --git a/Master/texmf-dist/source/latex/tagpdf/tagpdf-mc-generic.dtx b/Master/texmf-dist/source/latex/tagpdf/tagpdf-mc-generic.dtx
index 994e3b0b851..e0713b61d63 100644
--- a/Master/texmf-dist/source/latex/tagpdf/tagpdf-mc-generic.dtx
+++ b/Master/texmf-dist/source/latex/tagpdf/tagpdf-mc-generic.dtx
@@ -1,6 +1,6 @@
 % \iffalse meta-comment
 %
-%% File: tagpdf-mc.dtx
+%% File: tagpdf-mc-generic.dtx
 %
 % Copyright (C) 2019-2022 Ulrike Fischer
 %
@@ -22,11 +22,7 @@
 %
 % for those people who are interested.
 %<*driver>
-\RequirePackage{pdfmanagement-testphase}
-\DeclareDocumentMetadata{}
-\makeatletter
-\declare@file@substitution{doc.sty}{doc-v3beta.sty}
-\makeatother
+\DocumentMetadata{}
 \documentclass{l3doc}
 \usepackage{array,booktabs,caption}
 \hypersetup{pdfauthor=Ulrike Fischer,
@@ -50,7 +46,7 @@
 %    }^^A
 % }
 %
-% \date{Version 0.93, released 2022-01-13}
+% \date{Version 0.94, released 2022-05-11}
 % \maketitle
 % \begin{documentation}
 % \end{documentation}
@@ -59,11 +55,11 @@
 %    \begin{macrocode}
 %<@@=tag>
 %<*generic>
-\ProvidesExplPackage {tagpdf-mc-code-generic} {2022-01-13} {0.93}
+\ProvidesExplPackage {tagpdf-mc-code-generic} {2022-05-11} {0.94}
  {part of tagpdf - code related to marking chunks - generic mode}
 %</generic>
 %<*debug>
-\ProvidesExplPackage {tagpdf-debug-generic} {2022-01-13} {0.93}
+\ProvidesExplPackage {tagpdf-debug-generic} {2022-05-11} {0.94}
  {part of tagpdf - debugging code related to marking chunks - generic mode}
 %</debug>
 %    \end{macrocode}
@@ -668,9 +664,11 @@
 % the state is passed to the end command through a global var and
 % a global boolean.
 %    \begin{macrocode}
+%<base>\cs_new_protected:Npn \tag_mc_begin:n #1 {}
+%<base>\cs_new_protected:Nn \tag_mc_end:{}
 %<*generic|debug>
 %<*generic>
-\cs_new_protected:Npn \tag_mc_begin:n #1 %#1 keyval
+\cs_set_protected:Npn \tag_mc_begin:n #1 %#1 keyval
   {
     \@@_check_if_active_mc:T
       {
@@ -717,7 +715,7 @@
 %</debug>
   }
 %<*generic>
-\cs_new_protected:Nn \tag_mc_end:
+\cs_set_protected:Nn \tag_mc_end:
   {
     \@@_check_if_active_mc:T
       {
diff --git a/Master/texmf-dist/source/latex/tagpdf/tagpdf-mc-luacode.dtx b/Master/texmf-dist/source/latex/tagpdf/tagpdf-mc-luacode.dtx
index d8dba57fd1b..af6dbd1b395 100644
--- a/Master/texmf-dist/source/latex/tagpdf/tagpdf-mc-luacode.dtx
+++ b/Master/texmf-dist/source/latex/tagpdf/tagpdf-mc-luacode.dtx
@@ -1,6 +1,6 @@
 % \iffalse meta-comment
 %
-%% File: tagpdf-mc.dtx
+%% File: tagpdf-mc-luacode.dtx
 %
 % Copyright (C) 2019-2022 Ulrike Fischer
 %
@@ -22,11 +22,7 @@
 %
 % for those people who are interested.
 %<*driver>
-\RequirePackage{pdfmanagement-testphase}
-\DeclareDocumentMetadata{}
-\makeatletter
-\declare@file@substitution{doc.sty}{doc-v3beta.sty}
-\makeatother
+\DocumentMetadata{}
 \documentclass{l3doc}
 \usepackage{array,booktabs,caption}
 \hypersetup{pdfauthor=Ulrike Fischer,
@@ -50,7 +46,7 @@
 %    }^^A
 % }
 %
-% \date{Version 0.93, released 2022-01-13}
+% \date{Version 0.94, released 2022-05-11}
 % \maketitle
 % \begin{implementation}
 % The code is splitted into three parts: code shared by all engines,
@@ -90,7 +86,7 @@
 %    \begin{macrocode}
 %<@@=tag>
 %<*luamode>
-\ProvidesExplPackage {tagpdf-mc-code-lua} {2022-01-13} {0.93}
+\ProvidesExplPackage {tagpdf-mc-code-lua} {2022-05-11} {0.94}
   {tagpdf - mc code only for the luamode }
 %</luamode>
 %    \end{macrocode}
@@ -294,7 +290,7 @@
 % We currently don't check if there is nesting as it doesn't matter so
 % much in lua.
 %    \begin{macrocode}
-\cs_new_protected:Nn \tag_mc_begin:n
+\cs_set_protected:Nn \tag_mc_begin:n
   {
     \@@_check_if_active_mc:T
       {
@@ -331,7 +327,7 @@
 %
 % TODO: check how the use command must be guarded.
 %    \begin{macrocode}
-\cs_new_protected:Nn \tag_mc_end:
+\cs_set_protected:Nn \tag_mc_end:
   {
     \@@_check_if_active_mc:T
       {
diff --git a/Master/texmf-dist/source/latex/tagpdf/tagpdf-mc-shared.dtx b/Master/texmf-dist/source/latex/tagpdf/tagpdf-mc-shared.dtx
index 852f1d0846f..bbf8b3f7205 100644
--- a/Master/texmf-dist/source/latex/tagpdf/tagpdf-mc-shared.dtx
+++ b/Master/texmf-dist/source/latex/tagpdf/tagpdf-mc-shared.dtx
@@ -1,6 +1,6 @@
 % \iffalse meta-comment
 %
-%% File: tagpdf-mc.dtx
+%% File: tagpdf-mc-shared.dtx
 %
 % Copyright (C) 2019-2022 Ulrike Fischer
 %
@@ -22,11 +22,7 @@
 %
 % for those people who are interested.
 %<*driver>
-\RequirePackage{pdfmanagement-testphase}
-\DeclareDocumentMetadata{}
-\makeatletter
-\declare@file@substitution{doc.sty}{doc-v3beta.sty}
-\makeatother
+\DocumentMetadata{}
 \documentclass{l3doc}
 \usepackage{array,booktabs,caption}
 \hypersetup{pdfauthor=Ulrike Fischer,
@@ -50,7 +46,7 @@
 %    }^^A
 % }
 %
-% \date{Version 0.93, released 2022-01-13}
+% \date{Version 0.94, released 2022-05-11}
 % \maketitle
 % \begin{documentation}
 % \section{Public Commands}
@@ -178,7 +174,7 @@
 %    \begin{macrocode}
 %<@@=tag>
 %<*header>
-\ProvidesExplPackage {tagpdf-mc-code-shared} {2022-01-13} {0.93}
+\ProvidesExplPackage {tagpdf-mc-code-shared} {2022-05-11} {0.94}
   {part of tagpdf - code related to marking chunks -
    code shared by generic and luamode }
 %</header>
@@ -300,6 +296,7 @@
   {
     \tl_new:c { g_@@_mc_label_\tl_to_str:n{#1}_used_tl }
   }
+%</shared>
 %    \end{macrocode}
 %
 % \end{macro}
@@ -311,7 +308,9 @@
 %
 % TODO: is testing for struct the right test?
 %    \begin{macrocode}
-\cs_new_protected:Npn \tag_mc_use:n #1 %#1: label name
+%<base>\cs_new_protected:Npn \tag_mc_use:n #1 {}
+%<*shared>
+\cs_set_protected:Npn \tag_mc_use:n #1 %#1: label name
   {
     \@@_check_if_active_struct:T
       {
@@ -332,6 +331,7 @@
           }
        }
   }
+%</shared>
 %    \end{macrocode}
 % \end{macro}
 % \begin{macro}
@@ -343,26 +343,33 @@
 % and then stops all tagging. It creates a group.
 % It pushes and pops mc-chunks at the begin and end.
 %    \begin{macrocode}
-\cs_new_protected:Npn \tag_mc_artifact_group_begin:n #1
+%<base>\cs_new_protected:Npn \tag_mc_artifact_group_begin:n #1 {}
+%<base>\cs_new_protected:Npn \tag_mc_artifact_group_end:{}
+%<*shared>
+\cs_set_protected:Npn \tag_mc_artifact_group_begin:n #1
  {
   \tag_mc_end_push:
   \tag_mc_begin:n {artifact=#1}
   \tag_stop_group_begin:
  }
 
-\cs_new_protected:Npn \tag_mc_artifact_group_end:
+\cs_set_protected:Npn \tag_mc_artifact_group_end:
  {
   \tag_stop_group_end:
   \tag_mc_end:
   \tag_mc_begin_pop:n{}
  }
+%</shared>
 %    \end{macrocode}
 % \end{macro}
 %
 % \begin{macro}{\tag_mc_end_push:, \tag_mc_begin_pop:n}
 %
 %    \begin{macrocode}
-\cs_new_protected:Npn \tag_mc_end_push:
+%<base>\cs_new_protected:Npn \tag_mc_end_push: {}
+%<base>\cs_new_protected:Npn \tag_mc_begin_pop:n #1 {}
+%<*shared>
+\cs_set_protected:Npn \tag_mc_end_push:
   {
     \@@_check_if_active_mc:T
       {
@@ -381,7 +388,7 @@
       }
   }
 
-\cs_new_protected:Npn \tag_mc_begin_pop:n #1
+\cs_set_protected:Npn \tag_mc_begin_pop:n #1
   {
     \@@_check_if_active_mc:T
       {
diff --git a/Master/texmf-dist/source/latex/tagpdf/tagpdf-roles.dtx b/Master/texmf-dist/source/latex/tagpdf/tagpdf-roles.dtx
index f8b0589bb5f..5fa36ce06e7 100644
--- a/Master/texmf-dist/source/latex/tagpdf/tagpdf-roles.dtx
+++ b/Master/texmf-dist/source/latex/tagpdf/tagpdf-roles.dtx
@@ -22,11 +22,7 @@
 %
 % for those people who are interested.
 %<*driver>
-\RequirePackage{pdfmanagement-testphase}
-\DeclareDocumentMetadata{}
-\makeatletter
-\declare@file@substitution{doc.sty}{doc-v3beta.sty}
-\makeatother
+\DocumentMetadata{}
 \documentclass{l3doc}
 \usepackage{array,booktabs,caption}
 \hypersetup{pdfauthor=Ulrike Fischer,
@@ -50,7 +46,7 @@
 %    }^^A
 % }
 %
-% \date{Version 0.93, released 2022-01-13}
+% \date{Version 0.94, released 2022-05-11}
 % \maketitle
 % \begin{documentation}
 % \begin{function}
@@ -91,7 +87,7 @@
 %    \begin{macrocode}
 %<@@=tag>
 %<*header>
-\ProvidesExplPackage {tagpdf-roles-code} {2022-01-13} {0.93}
+\ProvidesExplPackage {tagpdf-roles-code} {2022-05-11} {0.94}
  {part of tagpdf - code related to roles and structure names}
 %</header>
 %    \end{macrocode}
diff --git a/Master/texmf-dist/source/latex/tagpdf/tagpdf-space.dtx b/Master/texmf-dist/source/latex/tagpdf/tagpdf-space.dtx
index 40c4367ba2a..21a41f959fa 100644
--- a/Master/texmf-dist/source/latex/tagpdf/tagpdf-space.dtx
+++ b/Master/texmf-dist/source/latex/tagpdf/tagpdf-space.dtx
@@ -22,11 +22,7 @@
 %
 % for those people who are interested.
 %<*driver>
-\RequirePackage{pdfmanagement-testphase}
-\DeclareDocumentMetadata{}
-\makeatletter
-\declare@file@substitution{doc.sty}{doc-v3beta.sty}
-\makeatother
+\DocumentMetadata{}
 \documentclass{l3doc}
 \usepackage{array,booktabs,caption}
 \hypersetup{pdfauthor=Ulrike Fischer,
@@ -50,7 +46,7 @@
 %    }^^A
 % }
 %
-% \date{Version 0.93, released 2022-01-13}
+% \date{Version 0.94, released 2022-05-11}
 % \maketitle
 % \begin{documentation}
 % \begin{function}{interwordspace (setup-key)}
@@ -68,7 +64,7 @@
 %    \begin{macrocode}
 %<@@=tag>
 %<*header>
-\ProvidesExplPackage {tagpdf-space-code} {2022-01-13} {0.93}
+\ProvidesExplPackage {tagpdf-space-code} {2022-05-11} {0.94}
  {part of tagpdf - code related to real space chars}
 %</header>
 %    \end{macrocode}
diff --git a/Master/texmf-dist/source/latex/tagpdf/tagpdf-struct.dtx b/Master/texmf-dist/source/latex/tagpdf/tagpdf-struct.dtx
index 6f03c5ac0fe..621ef672b88 100644
--- a/Master/texmf-dist/source/latex/tagpdf/tagpdf-struct.dtx
+++ b/Master/texmf-dist/source/latex/tagpdf/tagpdf-struct.dtx
@@ -22,11 +22,7 @@
 %
 % for those people who are interested.
 %<*driver>
-\RequirePackage{pdfmanagement-testphase}
-\DeclareDocumentMetadata{}
-\makeatletter
-\declare@file@substitution{doc.sty}{doc-v3beta.sty}
-\makeatother
+\DocumentMetadata{}
 \documentclass{l3doc}
 \usepackage{array,booktabs,caption}
 \hypersetup{pdfauthor=Ulrike Fischer,
@@ -50,7 +46,7 @@
 %    }^^A
 % }
 %
-% \date{Version 0.93, released 2022-01-13}
+% \date{Version 0.94, released 2022-05-11}
 % \maketitle
 % \begin{documentation}
 % \section{Public Commands}
@@ -221,7 +217,7 @@
 %    \begin{macrocode}
 %<@@=tag>
 %<*header>
-\ProvidesExplPackage {tagpdf-struct-code} {2022-01-13} {0.93}
+\ProvidesExplPackage {tagpdf-struct-code} {2022-05-11} {0.94}
  {part of tagpdf - code related to storing structure}
 %</header>
 %    \end{macrocode}
@@ -969,7 +965,6 @@
        \group_end:
      }
  }
-%</package>
 %    \end{macrocode}
 % \end{macro}
 % \begin{macro}{root-AF (setup-key)}
@@ -998,14 +993,17 @@
           }
       },
   }
+%</package>
 %    \end{macrocode}
 % \end{macro}
 % \section{User commands}
 %
 % \begin{macro}{\tag_struct_begin:n,\tag_struct_end:}
 %    \begin{macrocode}
+%<base>\cs_new_protected:Npn \tag_struct_begin:n #1 {}
+%<base>\cs_new_protected:Npn \tag_struct_end:{}
 %<*package|debug>
-%<package>\cs_new_protected:Npn \tag_struct_begin:n #1 %#1 key-val
+%<package>\cs_set_protected:Npn \tag_struct_begin:n #1 %#1 key-val
 %<debug>\cs_set_protected:Npn \tag_struct_begin:n #1 %#1 key-val
   {
 %<package>\@@_check_if_active_struct:T
@@ -1067,7 +1065,7 @@
      }
 %<debug>{ \@@_debug_struct_begin_ignore:n { #1 }}
   }
-%<package>\cs_new_protected:Nn \tag_struct_end:
+%<package>\cs_set_protected:Nn \tag_struct_end:
 %<debug>\cs_set_protected:Nn \tag_struct_end:
   { %take the current structure num from the stack:
     %the objects are written later, lua mode hasn't all needed info yet
@@ -1104,8 +1102,9 @@
 % This command allows to use a stashed structure in another place.
 % TODO: decide how it should be guarded. Probably by the struct-check.
 %    \begin{macrocode}
+%<base>\cs_new_protected:Npn \tag_struct_use:n #1 {}
 %<*package>
-\cs_new_protected:Nn \tag_struct_use:n %#1 is the label
+\cs_set_protected:Npn \tag_struct_use:n #1 %#1 is the label
   {
     \@@_check_if_active_struct:T
       {
@@ -1171,7 +1170,7 @@
 % \section{Attributes and attribute classes}
 %    \begin{macrocode}
 %<*header>
-\ProvidesExplPackage {tagpdf-attr-code} {2022-01-13} {0.93}
+\ProvidesExplPackage {tagpdf-attr-code} {2022-05-11} {0.94}
   {part of tagpdf - code related to attributes and attribute classes}
 %</header>
 %    \end{macrocode}
@@ -1217,8 +1216,8 @@
 %    \begin{macrocode}
 \cs_new_protected:Npn \@@_attr_new_entry:nn #1 #2 %#1:name, #2: content
   {
-    \prop_gput:Nnn \g_@@_attr_entries_prop
-      {#1}{#2}
+    \prop_gput:Nen \g_@@_attr_entries_prop
+      {\pdf_name_from_unicode_e:n{#1}}{#2}
   }
 
 \keys_define:nn { @@ / setup }
@@ -1239,7 +1238,14 @@
     attribute-class .code:n =
      {
        \clist_set:No \l_@@_tmpa_clist { #1 }
-       \seq_set_from_clist:NN \l_@@_tmpa_seq \l_@@_tmpa_clist
+       \seq_set_from_clist:NN \l_@@_tmpb_seq \l_@@_tmpa_clist
+%    \end{macrocode}
+%    we convert the names into pdf names with slash
+%    \begin{macrocode}
+       \seq_set_map_x:NNn \l_@@_tmpa_seq \l_@@_tmpb_seq
+         {
+           \pdf_name_from_unicode_e:n {##1}
+         }
        \seq_map_inline:Nn \l_@@_tmpa_seq
          {
            \prop_if_in:NnF \g_@@_attr_entries_prop {##1}
@@ -1248,14 +1254,10 @@
              }
            \seq_gput_left:Nn\g_@@_attr_class_used_seq { ##1}
          }
-       \seq_set_map:NNn \l_@@_tmpb_seq \l_@@_tmpa_seq
-         {
-           /##1
-         }
        \tl_set:Nx \l_@@_tmpa_tl
          {
            \int_compare:nT { \seq_count:N \l_@@_tmpa_seq > 1 }{[}
-           \seq_use:Nn \l_@@_tmpb_seq  { \c_space_tl  }
+           \seq_use:Nn \l_@@_tmpa_seq  { \c_space_tl  }
            \int_compare:nT { \seq_count:N \l_@@_tmpa_seq > 1 }{]}
          }
        \int_compare:nT { \seq_count:N \l_@@_tmpa_seq > 0 }
@@ -1277,7 +1279,14 @@
     attribute .code:n  = % A property (attribute, value currently a dictionary)
       {
         \clist_set:No          \l_@@_tmpa_clist { #1 }
-        \seq_set_from_clist:NN \l_@@_tmpa_seq \l_@@_tmpa_clist
+        \seq_set_from_clist:NN \l_@@_tmpb_seq \l_@@_tmpa_clist
+%    \end{macrocode}
+%    we convert the names into pdf names with slash
+%    \begin{macrocode}
+       \seq_set_map_x:NNn \l_@@_tmpa_seq \l_@@_tmpb_seq
+         {
+           \pdf_name_from_unicode_e:n {##1}
+         }
         \tl_set:Nx \l_@@_attr_value_tl
           {
             \int_compare:nT { \seq_count:N \l_@@_tmpa_seq > 1 }{[}%]
diff --git a/Master/texmf-dist/source/latex/tagpdf/tagpdf-tree.dtx b/Master/texmf-dist/source/latex/tagpdf/tagpdf-tree.dtx
index e6964666d93..a63dce4687d 100644
--- a/Master/texmf-dist/source/latex/tagpdf/tagpdf-tree.dtx
+++ b/Master/texmf-dist/source/latex/tagpdf/tagpdf-tree.dtx
@@ -23,11 +23,7 @@
 % for those people who are interested.
 %
 %<*driver>
-\RequirePackage{pdfmanagement-testphase}
-\DeclareDocumentMetadata{}
-\makeatletter
-\declare@file@substitution{doc.sty}{doc-v3beta.sty}
-\makeatother
+\DocumentMetadata{}
 \documentclass{l3doc}
 \usepackage{array,booktabs,caption}
 \hypersetup{pdfauthor=Ulrike Fischer,
@@ -51,13 +47,13 @@
 %    }^^A
 % }
 %
-% \date{Version 0.93, released 2022-01-13}
+% \date{Version 0.94, released 2022-05-11}
 % \maketitle
 % \begin{implementation}
 %    \begin{macrocode}
 %<@@=tag>
 %<*header>
-\ProvidesExplPackage {tagpdf-tree-code} {2022-01-13} {0.93}
+\ProvidesExplPackage {tagpdf-tree-code} {2022-05-11} {0.94}
  {part of tagpdf - code related to writing trees and dictionaries to the pdf}
 %</header>
 %    \end{macrocode}
@@ -333,7 +329,7 @@
     \seq_gremove_duplicates:N \g_@@_attr_class_used_seq
     \seq_set_map:NNn \l_@@_tmpa_seq \g_@@_attr_class_used_seq
       {
-        /##1\c_space_tl
+        ##1\c_space_tl
         <<
           \prop_item:Nn
             \g_@@_attr_entries_prop
diff --git a/Master/texmf-dist/source/latex/tagpdf/tagpdf-user.dtx b/Master/texmf-dist/source/latex/tagpdf/tagpdf-user.dtx
index 2b58d816594..5b7cf4bb408 100644
--- a/Master/texmf-dist/source/latex/tagpdf/tagpdf-user.dtx
+++ b/Master/texmf-dist/source/latex/tagpdf/tagpdf-user.dtx
@@ -22,11 +22,7 @@
 %
 % for those people who are interested.
 %<*driver>
-\RequirePackage{pdfmanagement-testphase}
-\DeclareDocumentMetadata{}
-\makeatletter
-\declare@file@substitution{doc.sty}{doc-v3beta.sty}
-\makeatother
+\DocumentMetadata{}
 \documentclass{l3doc}
 \usepackage{array,booktabs,caption}
 \hypersetup{pdfauthor=Ulrike Fischer,
@@ -50,7 +46,7 @@
 %    }^^A
 % }
 %
-% \date{Version 0.93, released 2022-01-13}
+% \date{Version 0.94, released 2022-05-11}
 % \maketitle
 % \begin{documentation}
 % \section{Setup commands}
@@ -250,7 +246,7 @@
 %    \begin{macrocode}
 %<@@=tag>
 %<*header>
-\ProvidesExplPackage {tagpdf-user} {2022-01-13} {0.93}
+\ProvidesExplPackage {tagpdf-user} {2022-05-11} {0.94}
   {tagpdf - user commands}
 %</header>
 %    \end{macrocode}
diff --git a/Master/texmf-dist/source/latex/tagpdf/tagpdf.dtx b/Master/texmf-dist/source/latex/tagpdf/tagpdf.dtx
index 5406505c597..95154859ee5 100644
--- a/Master/texmf-dist/source/latex/tagpdf/tagpdf.dtx
+++ b/Master/texmf-dist/source/latex/tagpdf/tagpdf.dtx
@@ -33,9 +33,10 @@
 % \end{syntax}
 % \end{function}
 %
-% \begin{function}{ \tag_stop_group_begin:, \tag_stop_group_end: }
+% \begin{function}{ \tag_stop_group_begin:, \tag_stop_group_end:, \tag_stop: }
 % We need a command to stop tagging in some places.
-% This simply switches the two local booleans.
+% This simply switches the two local booleans. The grouping commands
+% can be used to group the effect.
 % \end{function}
 %
 % \begin{function}{activate-space (setup-key)}
@@ -80,7 +81,7 @@
 %    \begin{macrocode}
 %<@@=tag>
 %<*package>
-\ProvidesExplPackage {tagpdf} {2022-01-13} {0.93}
+\ProvidesExplPackage {tagpdf} {2022-05-11} {0.94}
   { A package to experiment with pdf tagging }
 
 \bool_if:nF
@@ -98,7 +99,7 @@
      {
        Activate~it~with \MessageBreak
        \string\RequirePackage{pdfmanagement-testphase}\MessageBreak
-       \string\DeclareDocumentMetadata{<options>}\MessageBreak
+       \string\DocumentMetadata{<options>}\MessageBreak
        before~\string\documentclass
      }
   }
@@ -106,7 +107,7 @@
 %    \end{macrocode}
 %<*debug>
 %    \begin{macrocode}
-\ProvidesExplPackage {tagpdf-debug} {2022-01-13} {0.93}
+\ProvidesExplPackage {tagpdf-debug} {2022-05-11} {0.94}
   { debug code for tagpdf }
 \@ifpackageloaded{tagpdf}{}{\PackageWarning{tagpdf-debug}{tagpdf~not~loaded,~quitting}\endinput}
     \end{macrocode}
@@ -140,13 +141,24 @@
 %    \begin{macrocode}
 \RequirePackage{l3ref-tmp}
 %    \end{macrocode}
-%
+% To be on the safe side for now, load also the base definitions
+%    \begin{macrocode}
+\RequirePackage{tagpdf-base}
+%</package>
+%    \end{macrocode}
+%    \begin{macrocode}
+%<*base>
+\ProvidesExplPackage {tagpdf-base} {2022-05-11} {0.94}
+  {part of tagpdf - provide base, no-op versions of the user commands }
+%</base>
+%    \end{macrocode}
 % \section{Temporary code}
 % This is code which will be removed when proper support exists in LaTeX
 % \subsection{a LastPage label}
 % See also issue \#2 in Accessible-xref
 % \begin{macro}{\@@_lastpagelabel:}
 %    \begin{macrocode}
+%<*package>
  \cs_new_protected:Npn \@@_lastpagelabel:
    {
      \legacy_if:nT { @filesw }
@@ -302,7 +314,7 @@
 \cs_generate_variant:Nn \pdf_object_ref:n {e}
 \cs_generate_variant:Nn \pdfannot_dict_put:nnn {nnx}
 \cs_generate_variant:Nn \pdffile_embed_stream:nnn {nxx,oxx}
-\cs_generate_variant:Nn \prop_gput:Nnn {Nxx}
+\cs_generate_variant:Nn \prop_gput:Nnn {Nxx,Nen}
 \cs_generate_variant:Nn \prop_put:Nnn  {Nxx}
 \cs_generate_variant:Nn \ref_label:nn { nv }
 \cs_generate_variant:Nn \seq_set_split:Nnn{Nne}
@@ -427,6 +439,11 @@
     \bool_set_false:N \l_@@_active_mc_bool
   }
 \cs_set_eq:NN \tag_stop_group_end: \group_end:
+\cs_new_protected:Npn \tag_stop:
+  {
+    \bool_set_false:N \l_@@_active_struct_bool
+    \bool_set_false:N \l_@@_active_mc_bool
+  }
 %    \end{macrocode}
 % \end{macro}
 %
diff --git a/Master/texmf-dist/source/latex/tagpdf/tagpdf.ins b/Master/texmf-dist/source/latex/tagpdf/tagpdf.ins
index e212ae48b27..54809f67c10 100644
--- a/Master/texmf-dist/source/latex/tagpdf/tagpdf.ins
+++ b/Master/texmf-dist/source/latex/tagpdf/tagpdf.ins
@@ -70,6 +70,17 @@ and all files in that bundle must be distributed together.
   }
 
 \generate
+ {\file{tagpdf-base.sty}
+   {
+    \from{tagpdf.dtx}{base}
+    \from{tagpdf-mc-generic.dtx}{base}
+    \from{tagpdf-mc-shared.dtx}{base}
+    \from{tagpdf-struct.dtx}{base}
+    \from{tagpdf-checks.dtx}{base}
+   }
+ }
+
+\generate
   {\file{tagpdf-luatex.def}{\from{tagpdf-backend.dtx}{luatex}}}
 \generate
   {\file{tagpdf-mc-code-generic.sty}{\from{tagpdf-mc-generic.dtx}{generic}}}
@@ -97,6 +108,7 @@ and all files in that bundle must be distributed together.
 \generate
   {\file{tagpdf-debug-lua.sty}{\from{tagpdf-mc-luacode.dtx}{debug}}}
 
+
 \def\MetaPrefix{-- }
 \def\defaultpostamble{%
   \MetaPrefix^^J%
diff --git a/Master/texmf-dist/tex/latex/tagpdf/tagpdf-base.sty b/Master/texmf-dist/tex/latex/tagpdf/tagpdf-base.sty
new file mode 100644
index 00000000000..9c5c3aa6d2e
--- /dev/null
+++ b/Master/texmf-dist/tex/latex/tagpdf/tagpdf-base.sty
@@ -0,0 +1,49 @@
+%%
+%% This is file `tagpdf-base.sty',
+%% generated with the docstrip utility.
+%%
+%% The original source files were:
+%%
+%% tagpdf.dtx  (with options: `base')
+%% tagpdf-mc-generic.dtx  (with options: `base')
+%% tagpdf-mc-shared.dtx  (with options: `base')
+%% tagpdf-struct.dtx  (with options: `base')
+%% tagpdf-checks.dtx  (with options: `base')
+%% 
+%% Copyright (C) 2019-2022 Ulrike Fischer
+%% 
+%% It may be distributed and/or modified under the conditions of
+%% the LaTeX Project Public License (LPPL), either version 1.3c of
+%% this license or (at your option) any later version.  The latest
+%% version of this license is in the file:
+%% 
+%%    https://www.latex-project.org/lppl.txt
+%% 
+%% This file is part of the "tagpdf bundle" (The Work in LPPL)
+%% and all files in that bundle must be distributed together.
+%% 
+%% File: tagpdf.dtx
+\ProvidesExplPackage {tagpdf-base} {2022-05-11} {0.94}
+  {part of tagpdf - provide base, no-op versions of the user commands }
+%% File: tagpdf-mc-generic.dtx
+\cs_new_protected:Npn \tag_mc_begin:n #1 {}
+\cs_new_protected:Nn \tag_mc_end:{}
+
+%% File: tagpdf-mc-shared.dtx
+
+\cs_new_protected:Npn \tag_mc_use:n #1 {}
+\cs_new_protected:Npn \tag_mc_artifact_group_begin:n #1 {}
+\cs_new_protected:Npn \tag_mc_artifact_group_end:{}
+\cs_new_protected:Npn \tag_mc_end_push: {}
+\cs_new_protected:Npn \tag_mc_begin_pop:n #1 {}
+%% File: tagpdf-struct.dtx
+\cs_new_protected:Npn \tag_struct_begin:n #1 {}
+\cs_new_protected:Npn \tag_struct_end:{}
+\cs_new_protected:Npn \tag_struct_use:n #1 {}
+
+%% File: tagpdf-checks.dtx
+\prg_new_conditional:Npnn \tag_if_active: { p , T , TF, F }
+  { \prg_return_false: }
+%% 
+%%
+%% End of file `tagpdf-base.sty'.
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 451799c0733..5d96af0615c 100644
--- a/Master/texmf-dist/tex/latex/tagpdf/tagpdf-debug-generic.sty
+++ b/Master/texmf-dist/tex/latex/tagpdf/tagpdf-debug-generic.sty
@@ -18,8 +18,8 @@
 %% This file is part of the "tagpdf bundle" (The Work in LPPL)
 %% and all files in that bundle must be distributed together.
 %% 
-%% File: tagpdf-mc.dtx
-\ProvidesExplPackage {tagpdf-debug-generic} {2022-01-13} {0.93}
+%% File: tagpdf-mc-generic.dtx
+\ProvidesExplPackage {tagpdf-debug-generic} {2022-05-11} {0.94}
  {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 f559bd2a34f..262e2bdca24 100644
--- a/Master/texmf-dist/tex/latex/tagpdf/tagpdf-debug-lua.sty
+++ b/Master/texmf-dist/tex/latex/tagpdf/tagpdf-debug-lua.sty
@@ -18,7 +18,7 @@
 %% This file is part of the "tagpdf bundle" (The Work in LPPL)
 %% and all files in that bundle must be distributed together.
 %% 
-%% File: tagpdf-mc.dtx
+%% File: tagpdf-mc-luacode.dtx
 %% 
 %%
 %% End of file `tagpdf-debug-lua.sty'.
diff --git a/Master/texmf-dist/tex/latex/tagpdf/tagpdf-debug.sty b/Master/texmf-dist/tex/latex/tagpdf/tagpdf-debug.sty
index e15bd0955a5..b277f6dcb37 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} {2022-01-13} {0.93}
+\ProvidesExplPackage {tagpdf-debug} {2022-05-11} {0.94}
   { debug code for tagpdf }
 \@ifpackageloaded{tagpdf}{}{\PackageWarning{tagpdf-debug}{tagpdf~not~loaded,~quitting}\endinput}
     \end{macrocode}
@@ -113,33 +113,11 @@
 %% File: tagpdf-user.dtx
 
 
-%% File: tagpdf-mc.dtx
+%% File: tagpdf-mc-shared.dtx
 
 %% File: tagpdf-tree.dtx
 %% File: tagpdf-roles.dtx
 %% File: tagpdf-struct.dtx
-\keys_define:nn { __tag / setup }
-  {
-    root-AF .code:n =
-     {
-        \pdf_object_if_exist:nTF {#1}
-          {
-            \__tag_struct_add_AF:en { 0 }{#1}
-            \__tag_prop_gput:cnx
-             { g__tag_struct_0_prop }
-             { AF }
-             {
-               [
-                 \tl_use:c
-                   { g__tag_struct_0_AF_tl }
-               ]
-             }
-          }
-          {
-
-          }
-      },
-  }
 \cs_set_protected:Npn \tag_struct_begin:n #1 %#1 key-val
   {
 \__tag_check_if_active_struct:TF
diff --git a/Master/texmf-dist/tex/latex/tagpdf/tagpdf-luatex.def b/Master/texmf-dist/tex/latex/tagpdf/tagpdf-luatex.def
index 098b48eaa0a..333948f2327 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} {2022-01-13} {0.93}
+\ProvidesExplFile {tagpdf-luatex.def} {2022-05-11} {0.94}
   {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 e1e7ea01889..b140f5c4c1d 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
@@ -18,8 +18,8 @@
 %% This file is part of the "tagpdf bundle" (The Work in LPPL)
 %% and all files in that bundle must be distributed together.
 %% 
-%% File: tagpdf-mc.dtx
-\ProvidesExplPackage {tagpdf-mc-code-generic} {2022-01-13} {0.93}
+%% File: tagpdf-mc-generic.dtx
+\ProvidesExplPackage {tagpdf-mc-code-generic} {2022-05-11} {0.94}
  {part of tagpdf - code related to marking chunks - generic mode}
 \__tag_prop_new:N \g__tag_MCID_byabspage_prop
 
@@ -332,7 +332,7 @@
   }
 
 \cs_new:Nn \__tag_get_data_mc_tag: { \g__tag_mc_key_tag_tl }
-\cs_new_protected:Npn \tag_mc_begin:n #1 %#1 keyval
+\cs_set_protected:Npn \tag_mc_begin:n #1 %#1 keyval
   {
     \__tag_check_if_active_mc:T
       {
@@ -365,7 +365,7 @@
         \group_end:
       }
   }
-\cs_new_protected:Nn \tag_mc_end:
+\cs_set_protected:Nn \tag_mc_end:
   {
     \__tag_check_if_active_mc:T
       {
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 3df23dd015b..6e773562533 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
@@ -18,8 +18,8 @@
 %% This file is part of the "tagpdf bundle" (The Work in LPPL)
 %% and all files in that bundle must be distributed together.
 %% 
-%% File: tagpdf-mc.dtx
-\ProvidesExplPackage {tagpdf-mc-code-lua} {2022-01-13} {0.93}
+%% File: tagpdf-mc-luacode.dtx
+\ProvidesExplPackage {tagpdf-mc-code-lua} {2022-05-11} {0.94}
   {tagpdf - mc code only for the luamode }
 \hook_gput_code:nnn{begindocument}{tagpdf/mc}
   {
@@ -168,7 +168,7 @@
   }
 
 \cs_generate_variant:Nn \__tag_mc_handle_stash:n { x }
-\cs_new_protected:Nn \tag_mc_begin:n
+\cs_set_protected:Nn \tag_mc_begin:n
   {
     \__tag_check_if_active_mc:T
       {
@@ -199,7 +199,7 @@
         \group_end:
      }
   }
-\cs_new_protected:Nn \tag_mc_end:
+\cs_set_protected:Nn \tag_mc_end:
   {
     \__tag_check_if_active_mc:T
       {
diff --git a/Master/texmf-dist/tex/latex/tagpdf/tagpdf.lua b/Master/texmf-dist/tex/latex/tagpdf/tagpdf.lua
index 4805c3b882f..5cbf03a8b13 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       = "0.93",       --TAGVERSION
-    date          = "2022-01-13", --TAGDATE
+    version       = "0.94",       --TAGVERSION
+    date          = "2022-05-11", --TAGDATE
     description   = "tagpdf lua code",
     license       = "The LATEX Project Public License 1.3c"
 }
diff --git a/Master/texmf-dist/tex/latex/tagpdf/tagpdf.sty b/Master/texmf-dist/tex/latex/tagpdf/tagpdf.sty
index 822b654d92a..91dcf65368e 100644
--- a/Master/texmf-dist/tex/latex/tagpdf/tagpdf.sty
+++ b/Master/texmf-dist/tex/latex/tagpdf/tagpdf.sty
@@ -27,7 +27,7 @@
 %% and all files in that bundle must be distributed together.
 %% 
 %% File: tagpdf.dtx
-\ProvidesExplPackage {tagpdf} {2022-01-13} {0.93}
+\ProvidesExplPackage {tagpdf} {2022-05-11} {0.94}
   { A package to experiment with pdf tagging }
 
 \bool_if:nF
@@ -45,7 +45,7 @@
      {
        Activate~it~with \MessageBreak
        \string\RequirePackage{pdfmanagement-testphase}\MessageBreak
-       \string\DeclareDocumentMetadata{<options>}\MessageBreak
+       \string\DocumentMetadata{<options>}\MessageBreak
        before~\string\documentclass
      }
   }
@@ -56,6 +56,7 @@
 \ExecuteOptions{luamode}
 \ProcessOptions
 \RequirePackage{l3ref-tmp}
+\RequirePackage{tagpdf-base}
  \cs_new_protected:Npn \__tag_lastpagelabel:
    {
      \legacy_if:nT { @filesw }
@@ -120,7 +121,7 @@
 \cs_generate_variant:Nn \pdf_object_ref:n {e}
 \cs_generate_variant:Nn \pdfannot_dict_put:nnn {nnx}
 \cs_generate_variant:Nn \pdffile_embed_stream:nnn {nxx,oxx}
-\cs_generate_variant:Nn \prop_gput:Nnn {Nxx}
+\cs_generate_variant:Nn \prop_gput:Nnn {Nxx,Nen}
 \cs_generate_variant:Nn \prop_put:Nnn  {Nxx}
 \cs_generate_variant:Nn \ref_label:nn { nv }
 \cs_generate_variant:Nn \seq_set_split:Nnn{Nne}
@@ -181,6 +182,11 @@
     \bool_set_false:N \l__tag_active_mc_bool
   }
 \cs_set_eq:NN \tag_stop_group_end: \group_end:
+\cs_new_protected:Npn \tag_stop:
+  {
+    \bool_set_false:N \l__tag_active_struct_bool
+    \bool_set_false:N \l__tag_active_mc_bool
+  }
 
 \keys_define:nn { __tag / setup }
   {
@@ -263,7 +269,7 @@
   {The~number~of~automatic~begin~(#1)~and~end~(#2)~para~hooks~differ!}
   {This~quite~probably~a~coding~error~and~the~structure~will~be~wrong!}
 \cs_new:Npn \tag_get:n #1   { \use:c {__tag_get_data_#1: } }
-\prg_new_conditional:Npnn \tag_if_active: { p , T , TF, F }
+\prg_set_conditional:Npnn \tag_if_active: { p , T , TF, F }
   {
      \bool_lazy_all:nTF
        {
@@ -490,7 +496,7 @@
     { \prg_return_true: }
     { \prg_return_false: }
  }
-%% File: tagpdf-mc.dtx
+%% File: tagpdf-mc-shared.dtx
 
 \newcounter { g__tag_MCID_abs_int }
 \cs_new:Npn \__tag_get_mc_abs_cnt: { \int_use:N \c@g__tag_MCID_abs_int }
@@ -513,7 +519,7 @@
   {
     \tl_new:c { g__tag_mc_label_\tl_to_str:n{#1}_used_tl }
   }
-\cs_new_protected:Npn \tag_mc_use:n #1 %#1: label name
+\cs_set_protected:Npn \tag_mc_use:n #1 %#1: label name
   {
     \__tag_check_if_active_struct:T
       {
@@ -534,20 +540,20 @@
           }
        }
   }
-\cs_new_protected:Npn \tag_mc_artifact_group_begin:n #1
+\cs_set_protected:Npn \tag_mc_artifact_group_begin:n #1
  {
   \tag_mc_end_push:
   \tag_mc_begin:n {artifact=#1}
   \tag_stop_group_begin:
  }
 
-\cs_new_protected:Npn \tag_mc_artifact_group_end:
+\cs_set_protected:Npn \tag_mc_artifact_group_end:
  {
   \tag_stop_group_end:
   \tag_mc_end:
   \tag_mc_begin_pop:n{}
  }
-\cs_new_protected:Npn \tag_mc_end_push:
+\cs_set_protected:Npn \tag_mc_end_push:
   {
     \__tag_check_if_active_mc:T
       {
@@ -566,7 +572,7 @@
       }
   }
 
-\cs_new_protected:Npn \tag_mc_begin_pop:n #1
+\cs_set_protected:Npn \tag_mc_begin_pop:n #1
   {
     \__tag_check_if_active_mc:T
       {
@@ -786,7 +792,7 @@
     \seq_gremove_duplicates:N \g__tag_attr_class_used_seq
     \seq_set_map:NNn \l__tag_tmpa_seq \g__tag_attr_class_used_seq
       {
-        /##1\c_space_tl
+        ##1\c_space_tl
         <<
           \prop_item:Nn
             \g__tag_attr_entries_prop
@@ -1862,7 +1868,7 @@
           }
       },
   }
-\cs_new_protected:Npn \tag_struct_begin:n #1 %#1 key-val
+\cs_set_protected:Npn \tag_struct_begin:n #1 %#1 key-val
   {
 \__tag_check_if_active_struct:T
       {
@@ -1920,7 +1926,7 @@
         \group_end:
      }
   }
-\cs_new_protected:Nn \tag_struct_end:
+\cs_set_protected:Nn \tag_struct_end:
   { %take the current structure num from the stack:
     %the objects are written later, lua mode hasn't all needed info yet
     %\seq_show:N \g__tag_struct_stack_seq
@@ -1946,7 +1952,7 @@
           }
       }
   }
-\cs_new_protected:Nn \tag_struct_use:n %#1 is the label
+\cs_set_protected:Npn \tag_struct_use:n #1 %#1 is the label
   {
     \__tag_check_if_active_struct:T
       {
@@ -1990,8 +1996,8 @@
 \prop_new:N \g__tag_attr_objref_prop %will contain obj num of used attributes
 \cs_new_protected:Npn \__tag_attr_new_entry:nn #1 #2 %#1:name, #2: content
   {
-    \prop_gput:Nnn \g__tag_attr_entries_prop
-      {#1}{#2}
+    \prop_gput:Nen \g__tag_attr_entries_prop
+      {\pdf_name_from_unicode_e:n{#1}}{#2}
   }
 
 \keys_define:nn { __tag / setup }
@@ -2006,7 +2012,11 @@
     attribute-class .code:n =
      {
        \clist_set:No \l__tag_tmpa_clist { #1 }
-       \seq_set_from_clist:NN \l__tag_tmpa_seq \l__tag_tmpa_clist
+       \seq_set_from_clist:NN \l__tag_tmpb_seq \l__tag_tmpa_clist
+       \seq_set_map_x:NNn \l__tag_tmpa_seq \l__tag_tmpb_seq
+         {
+           \pdf_name_from_unicode_e:n {##1}
+         }
        \seq_map_inline:Nn \l__tag_tmpa_seq
          {
            \prop_if_in:NnF \g__tag_attr_entries_prop {##1}
@@ -2015,14 +2025,10 @@
              }
            \seq_gput_left:Nn\g__tag_attr_class_used_seq { ##1}
          }
-       \seq_set_map:NNn \l__tag_tmpb_seq \l__tag_tmpa_seq
-         {
-           /##1
-         }
        \tl_set:Nx \l__tag_tmpa_tl
          {
            \int_compare:nT { \seq_count:N \l__tag_tmpa_seq > 1 }{[}
-           \seq_use:Nn \l__tag_tmpb_seq  { \c_space_tl  }
+           \seq_use:Nn \l__tag_tmpa_seq  { \c_space_tl  }
            \int_compare:nT { \seq_count:N \l__tag_tmpa_seq > 1 }{]}
          }
        \int_compare:nT { \seq_count:N \l__tag_tmpa_seq > 0 }
@@ -2040,7 +2046,11 @@
     attribute .code:n  = % A property (attribute, value currently a dictionary)
       {
         \clist_set:No          \l__tag_tmpa_clist { #1 }
-        \seq_set_from_clist:NN \l__tag_tmpa_seq \l__tag_tmpa_clist
+        \seq_set_from_clist:NN \l__tag_tmpb_seq \l__tag_tmpa_clist
+       \seq_set_map_x:NNn \l__tag_tmpa_seq \l__tag_tmpb_seq
+         {
+           \pdf_name_from_unicode_e:n {##1}
+         }
         \tl_set:Nx \l__tag_attr_value_tl
           {
             \int_compare:nT { \seq_count:N \l__tag_tmpa_seq > 1 }{[}%]
diff --git a/Master/texmf-dist/tex/latex/tagpdf/tagpdfdocu-patches.sty b/Master/texmf-dist/tex/latex/tagpdf/tagpdfdocu-patches.sty
index 3c283a8a3e3..102560ead07 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} {2022-01-13} {0.93}
+\ProvidesExplPackage {tagpdfdocu-patches} {2022-05-11} {0.94}
  {patches/commands for the tagpdf documentation}
 \RequirePackage{etoolbox}
 
@@ -86,7 +86,11 @@
 % no internal patches, but KOMA-only solution
 %%%%%%%%
 
+% the structure should be opened rather early to catch the refstepcounter!
 \AddtoDoHook{heading/begingroup}{\tagpdfparaOff\use_none:n}
+\cs_new_protected:Npn \__tag_struct_section_begin:n #1 {\tagstructbegin{tag=\prop_item:Nn\g_tag_section_level_prop{#1}}}
+\AddtoDoHook{heading/postinit}{\__tag_struct_section_begin:n}
+\AddtoDoHook{heading/endgroup}{\tagstructend\use_none:n}
 
 \prop_new:N    \g_tag_section_level_prop
 \prop_gput:Nnn \g_tag_section_level_prop {section}{H1}
@@ -98,7 +102,6 @@
  {
   \@hangfrom
    {\hskip #2
-    \tagstructbegin{tag=\prop_item:Nn\g_tag_section_level_prop{#1}}
     %\tl_if_empty:nF{#3}
     \tl_if_in:nnF{\@empty}{#3}
     {
@@ -109,7 +112,7 @@
    }
    {\tag_mc_begin:n    {tag=\prop_item:Nn\g_tag_section_level_prop{#1}}
     #4
-    \tag_mc_end:\tagstructend}%
+    \tag_mc_end:}%
  }
 
 % minisec is simply P,  so we let paratagging handle this.