GNU bug report logs - #60308
30.0.50; Can't read some PDF files any more

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From: Eli Zaretskii <eliz <at> gnu.org>
To: Gregory Heytings <gregory <at> heytings.org>
Cc: yantar92 <at> posteo.net, 60308 <at> debbugs.gnu.org, bugs <at> gnu.support
Subject: bug#60308: 30.0.50; Can't read some PDF files any more
Date: Fri, 06 Jan 2023 08:40:13 +0200

> Date: Thu, 05 Jan 2023 20:58:24 +0000
> From: Gregory Heytings <gregory <at> heytings.org>
> cc: Ihor Radchenko <yantar92 <at> posteo.net>, 60308 <at> debbugs.gnu.org, 
>     bugs <at> gnu.support
> 
> >>> I can't read this file with emacs -Q:
> >>>
> >>> https://gnu.support/files/tmp/2023-01-05/FR%20205.pdf
> >>
> >> I can reproduce on Emacs 30 and Emacs 29, but not on Emacs 28
> >>
> >> Recipe: emacs -Q /path/to/the/linked/downloaded/pdf
> >>
> >> Observed: empty buffer
> >> Expected: PDF page is displayed
> >
> > Can someone bisect this, please?
> >
> 
> FTR, that file opens fine here, with Emacs 29 at ec172d748f, at 
> d2a9dae400, at a6bad4d60f, at c59b8dfefa... and with Emacs 28.

Thanks.

So maybe the problem is updates to libraries/executables we use for
viewing PDF?  AFAIR, this is DocView, and it use Ghostscript and
libpng?  Maybe both Jean and Ihor had their systems updated recently?

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