Your bug report

#19735: 25.0.50; regression: contrary to documentation etags does not work with compressed files any more; did work in emacs 24.4

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 19735@debbugs.gnu.org.

-- 
19735: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=19735
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