Your bug report

#40866: customize-face obliterates obliterates elements of "face spec" alist.

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 40866@debbugs.gnu.org.

-- 
40866: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=40866
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