Your bug report

#73872: 30.0.91; emacs-lisp-mode-syntax-table active when calling `describe-variable' on variable with textually large value.

which was filed against the emacs package, has been closed.

The explanation is attached below, along with your original report.
If you require more details, please reply to 73872@debbugs.gnu.org.

-- 
73872: https://debbugs.gnu.org/cgi/bugreport.cgi?bug=73872
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