Subject: Re: bug#32815: Corrective patch for GNU gzip

From: Paul Eggert <[email-masked]>
Date: Mon, 24 Sep 2018 01:29:56 -0700

Manfred Morgner wrote:
> It schould return 2, as documented.

Only if the message "gzip: 2018.gz already has .gz suffix -- unchanged" is a 
warning. Arguably that is merely an informative message, and is not warning 
about anything, as nothing has gone wrong.