Re: jar files won't open in emacs 27.1 on debian 11.6 "bullseye"

[Eli Zaretskii]

> From: Steinar Bang <sb@dod.no>
> Date: Sun, 02 Apr 2023 20:59:36 +0200
> 
> >>>>> Eli Zaretskii <eliz@gnu.org>:
> 
> > You need to "M-x load-file RET arc-mode.el.gz RET" before "C-u M-x" of
> > the function.  The Emacs will stop in the function.
> 
> Ok, archive-zip-summarize looks for the magic sequence "PK\005\006" or
> "PK\006\007" or "PK\006\006" or "PK\001\002".
> 
> But what this jar file starts with, is "PK^c^d", which I think is
> "PK\003\004", which is non of the above.
> 
> I.e. archive-zip-summarize doesn't recognize the magic number of these
> jar files.

Please report this as a bug and include such a jar file.