On Sun, Oct 29, 2017 at 6:51 AM, Jim Meyering <jim@meyering.net> wrote:
> On Wed, Oct 25, 2017 at 11:21 PM, meo (XeniaLab) <meo@xenialab.it> 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.
I've attributed your email address in the commit log.
If you'd prefer I use a name, tell me what to use soon.
Once I push, that log message cannot be modified.