bug#29006: gunzip does not works with an uppercase suffix

[Jim Meyering]

On Sun, Oct 29, 2017 at 6:51 AM, Jim Meyering <address@hidden> wrote:
> On Wed, Oct 25, 2017 at 11:21 PM, meo (XeniaLab) <address@hidden> wrote:
>> its seems that gunzip does not works with uppercase suffixes...
>
> Thank you for the report. That is a bug, indeed. Here is a small reproducer:
>
>   $ :|gzip > kT && gzip -d -S T kT
>   gzip: kT: unknown suffix -- ignored
>
> I have a fix and will post it shortly.

Thanks again. Here's the patch.
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If you'd prefer I use a name, tell me what to use soon.
Once I push, that log message cannot be modified.

upper-suffix.diff
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