bug#77898: 31.0.50; arc-mode: Split PKZIP archive signature not recognized

[Eli Zaretskii]

> Date: Thu, 24 Apr 2025 23:41:39 +0200
> Cc: 77898@debbugs.gnu.org
> From: Jens Schmidt <jschmidt4gnu@vodafonemail.de>
> 
> On 2025-04-24  15:09, Eli Zaretskii wrote:
> 
> > LGTM, and the tests succeeded on my system, so I've now installed this
> > on master, and I'm closing the bug.
> 
> Thanks.  Two follow-up nits, not sure whether and how you'd like to
> handle them:
> 
> - Your windows-nt-specific follow-up commit e38401e7 isn't at all
>   windows-nt-specific, as I learned after I noticed it.  On Debian
>   GNU/Linux I have both executables "7z" and "7za" available with
>   7z(1) saying:
> 
>     7z uses plugins to handle archives, so it might be slightly slower than
>     7za(1) but can handle more archive formats.
> 
>   So using executable "7z" for all ports seems to be TRT.
> 
>   (And yes, I have tested using
> 
>     (define-arc-mode-test-on-type "7z" '("7z" "a") "7z" '7z)
> 
>   on GNU/Linux successfully.)
> 
> - And that part of my doc string of macro `define-arc-mode-test-on-type'
>   is incorrect:
> 
>     "Define and execute a test that tests function `archive-find-type'.
>             ^^ wrong ^^
> 
>   Since the macro, strictly speaking, only *defines* a test, IIUC.
>   Execution happens when command `ert' (or one of its derivatives)
>   runs.
> 
> Attached is a patch that fixes both of these.  Please let me know what
> you think.  Thanks again.

Thanks, I installed these on master.