Your bug report

#33878: zcat vs zcat -f -- different output

which was filed against the gzip package, has been closed.

The explanation is attached below, along with your original report.
If you require more details, please reply to 33878@debbugs.gnu.org.

-- 
33878: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=33878
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