bug#61639: 30.0.50; [PATCH] Do not error out on non image file in image-dired

[Eli Zaretskii]

> From: Manuel Giraud <manuel@ledu-giraud.fr>
> Cc: 61639@debbugs.gnu.org
> Date: Tue, 21 Feb 2023 15:23:01 +0100
> 
> Eli Zaretskii <eliz@gnu.org> writes:
> 
> [...]
> 
> >> 'plusp' is a classic Common Lisp predicate (that also seems to be
> >> defined in Emacs).  It is equivalent to (> x 0)… maybe you prefer that.
> >> Should I fix my patch?
> >
> > Where is it defined?  It isn't defined in "emacs -Q", and not after
> > loading image-dired.  (Tested in Emacs 29.)
> 
> C-h f gives me this:
> --8<---------------cut here---------------start------------->8---
> plusp is an alias for ‘cl-plusp’ in ‘cl.el’.
> 
> This function is obsolete since 27.1; use ‘cl-plusp’ instead.
> --8<---------------cut here---------------end--------------->8---
> 
> … anyway here is an updated version of the patch to avoid this.

Thanks, I installed this on the emacs-29 branch, and closing the bug.