Your bug report

#20623: XML and HTML files with encoding/charset="utf-8" declaration lose BOM; Coding system is reset from utf-8-with-signature to utf-8 on save

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 20623@debbugs.gnu.org.

-- 
20623: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=20623
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