Your bug report

#37455: 27.0.50; insert-behind-hooks and insert-in-front-hooks in text properties do nothing when font-lock-mode is on

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 37455@debbugs.gnu.org.

-- 
37455: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=37455
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