[latex3-commits] [latex3/latex2e] testmergearray: add alt text on subformulas to satisfy validator (598969d8)

[github at latex-project.org]

Repository : https://github.com/latex3/latex2e
On branch  : testmergearray
Link       : https://github.com/latex3/latex2e/commit/598969d800b5493faff2482a8c28b356d9c16b0f

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commit 598969d800b5493faff2482a8c28b356d9c16b0f
Author: Ulrike Fischer <fischer at troubleshooting-tex.de>
Date:   Sat Dec 16 01:34:41 2023 +0100

    add alt text on subformulas to satisfy validator


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598969d800b5493faff2482a8c28b356d9c16b0f
 required/latex-lab/latex-lab-math.dtx | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/required/latex-lab/latex-lab-math.dtx b/required/latex-lab/latex-lab-math.dtx
index b3ae57c4..97a8b51b 100644
--- a/required/latex-lab/latex-lab-math.dtx
+++ b/required/latex-lab/latex-lab-math.dtx
@@ -1676,9 +1676,11 @@
        \edef\resulttitle{\g_@@_grabbed_env_tl\space (part)}
        \tagstructbegin{tag=Formula,
 %    \end{macrocode}
-%    For now we don't put anything in /alt or /ActualText on subformulas
+%    For now we don't put real content in /alt or /ActualText on subformulas
+%    but we add a short text to satisfy the pdf/ua-2 validator
 %    \begin{macrocode}
 %         alt=\result,
+         alt = subformula,         
          title-o=\resulttitle
        }
     }