Your bug report

#37945: Saving file erases minor mode font locking.

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

The explanation is attached below, along with your original report.
If you require more details, please reply to 37945@debbugs.gnu.org.

-- 
37945: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=37945
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