Your bug report
#42775: 27.1; mhtml-mode eval errorr in c-lang-defvar or c-lang-setvar
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 42775@debbugs.gnu.org.
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42775: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=42775
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