Your bug report

#20421: 25.0.50; doc string of `insert-buffer-substring'

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 20421@debbugs.gnu.org.

-- 
20421: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=20421
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