add debug key

required/latex-lab/documentmetadata-support.dtx

@@ -18,8 +18,8 @@
 % for those people who are interested or want to report an issue.
 %
 %    \begin{macrocode}
-\def\documentmetadatasupportversion{1.0e}
-\def\documentmetadatasupportdate{2023-07-19}
+\def\documentmetadatasupportversion{1.0f}
+\def\documentmetadatasupportdate{2023-09-01}
 %    \end{macrocode}
 %
 %
@@ -139,7 +139,7 @@
 %      |pdfstandard| can be used more than once to set overlapping standards, e.g:\\
 %      |pdfstandard=A-2b,pdfstandard=X-4,pdfstandard=UA-1|
 %      
-%      If XMP-metadata are added (see the following key \texttt{xmp}
+%      If XMP-metadata are added (see the following key \texttt{xmp})
 %      the needed conformance marker for the standards are set.
 %      
 %      More information can be found in the documentation
@@ -180,7 +180,7 @@
 %   \end{description}
 %   
 %   The various testphase modules can also be loaded individually (and least in theory,
-%   they can be hidden dependencies). If loaded like this, the tagpdf package is not
+%   there can be hidden dependencies). If loaded like this, the tagpdf package is not
 %   loaded and tagging is not activated! The list of modules will change over time.
 %   \begin{description}           
 %    \item[\texttt{new-or-1}] This patches a few commands related
@@ -234,7 +234,10 @@
 %     \item[\texttt{xmp-export}] This will export the XMP-metadata to a file \verb+\jobname.xmpi+.
 %     with \texttt{debug=\{xmp-export=filename\}} the file name can be changed. 
 %     More information can be found in the documentation of \pkg{l3pdfmeta} of the \pkg{pdfmanagement-testphase}
-%     bundle.         
+%     bundle.       
+%     \item[\texttt{tagpdf}] This loads the \package{tagpdf-debug} which enhances
+%     various commands from tagpdf with additional debugging options. This can slow down
+%     the compilation!  
 %    \end{description}
 % \end{description}
 %
@@ -460,6 +463,16 @@
              \tagpdfsetup{log=#1}
           }
       }
+    ,debug / tagpdf .code:n =
+      {
+        \AddToHook
+          {
+           package/tagpdf/after
+          }
+          {
+             \RequirePackage{tagpdf-debug}
+          }
+      }      
     ,debug / uncompress .code:n =
       {
         \pdf_uncompress: