Your bug report

#73815: 29.4; message-narrow-to-headers-or-head is void in mml-to-mime

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 73815@debbugs.gnu.org.

-- 
73815: https://debbugs.gnu.org/cgi/bugreport.cgi?bug=73815
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