Your bug report

#70905: [PATCH] Use lowercase utf-8 for charset in Content-Type.

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

The explanation is attached below, along with your original report.
If you require more details, please reply to 70905@debbugs.gnu.org.

-- 
70905: https://debbugs.gnu.org/cgi/bugreport.cgi?bug=70905
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