gzip: Problems

 
 7 Reporting Bugs
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 If you find a bug in ‘gzip’, please send electronic mail to
 <bug-gzip@gnu.org>.  Include the version number, which you can find by
 running ‘gzip -V’.  Also include in your message the hardware and
 operating system, the compiler used to compile ‘gzip’, a description of
 the bug behavior, and the input to ‘gzip’ that triggered the bug.