Your bug report

#71727: Deleting TAGS buffer will cause `etags-regen--update-file` doesn't work

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 71727@debbugs.gnu.org.

-- 
71727: https://debbugs.gnu.org/cgi/bugreport.cgi?bug=71727
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