[latex3-commits] [latex3/latex2e] latex-lab/uf-review-05: repair tagging if subparts are suppressed (f6874711)

[github at latex-project.org]

Repository : https://github.com/latex3/latex2e
On branch  : latex-lab/uf-review-05
Link       : https://github.com/latex3/latex2e/commit/f6874711f14443aef2f946af51b295fbbad98138

>---------------------------------------------------------------

commit f6874711f14443aef2f946af51b295fbbad98138
Author: Ulrike Fischer <fischer at troubleshooting-tex.de>
Date:   Thu Jan 11 21:19:00 2024 +0100

    repair tagging if subparts are suppressed


>---------------------------------------------------------------

f6874711f14443aef2f946af51b295fbbad98138
 required/latex-lab/latex-lab-math.dtx | 22 ++++++++++++++++++++--
 1 file changed, 20 insertions(+), 2 deletions(-)

diff --git a/required/latex-lab/latex-lab-math.dtx b/required/latex-lab/latex-lab-math.dtx
index 07213a7f..01e68021 100644
--- a/required/latex-lab/latex-lab-math.dtx
+++ b/required/latex-lab/latex-lab-math.dtx
@@ -633,8 +633,8 @@
 %    \end{macrocode}
 % mathml handling doesn't like subparts, so we disable them for now:
 %    \begin{macrocode}
-        \AssignSocketPlug{tagsupport/math/substruct/begin}{noop}
-        \AssignSocketPlug{tagsupport/math/substruct/end}{noop}
+        \AssignSocketPlug{tagsupport/math/substruct/begin}{single}
+        \AssignSocketPlug{tagsupport/math/substruct/end}{single}
       }  
  }
 \AddToHook{begindocument}{\@@_AF_process_mathml_files:} 
@@ -986,6 +986,24 @@
 %    \end{macrocode}  
 % \end{plugdecl}  
 
+% \begin{plugdecl}{single}
+% We need an option to disable subparts as it is unclear
+% if consumers can handle them:
+%    \begin{macrocode}
+\socket_new_plug:nnn
+  {tagsupport/math/substruct/begin}
+  {single}
+  {
+    \typeout{====>subpart~splitting~deactivated}
+    \typeout{====>grabbed~math=\meaning\g_@@_grabbed_math_tl}
+    \tag_mc_begin:n{} 
+  }
+\socket_new_plug:nnn
+  {tagsupport/math/substruct/end}
+  {single}
+  { \tag_mc_end:}
+%    \end{macrocode}
+% \end{plugdecl}
 % 
 % \begin{socketdecl}{tagsupport/math/end}
 %  A socket used at the end of the math (before the closing dollar(s))