Your bug report

#26666: 26.0.50; Unused faces drop from hi-lock--unused-faces

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 26666@debbugs.gnu.org.

-- 
26666: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=26666
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