Your bug report

#34520: delete-matching-lines should report how many lines it deleted

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 34520@debbugs.gnu.org.

-- 
34520: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=34520
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