bug#60308: 30.0.50; Can't read some PDF files any more

[Eli Zaretskii]

> Date: Sat, 07 Jan 2023 18:25:58 +0000
> From: Gregory Heytings <gregory@heytings.org>
> cc: Stephen Berman <stephen.berman@gmx.net>, Eli Zaretskii <eliz@gnu.org>, 
>     60308@debbugs.gnu.org, yantar92@posteo.net, bugs@gnu.support
> 
> 
> >
> > Here a first patch that prevent producing SVG when mutool has a version > 
> > 1.20.  Feel free to comment and fix.
> >
> 
> I just tried, and most PDF files are processed without problems with 
> mutool 1.21.

That's not what Stephen says, he tried 1.21.1.

> So I'm not sure we should install such a workaround in Emacs, for a
> bug that happens in some cases for some specific versions (1.20 and
> 1.21) of a specific external program.
> 
> Those who have these versions of that program can (temporarily) add
> 
> (setq doc-view-mupdf-use-svg nil)
> 
> to their init file, or toggle that value to open problematic files.

We can, of course, have an entry in etc/PROBLEMS, if that's the best
we can do.  But I wonder why you see something different from what
others see.