bug#72193: 31.0.50; DocView on Postscript with SVG support

[Eli Zaretskii]

> From: Tassilo Horn <tsdh@gnu.org>
> Cc: Manuel Giraud <manuel@ledu-giraud.fr>,  72193@debbugs.gnu.org
> Date: Sat, 20 Jul 2024 22:27:03 +0200
> 
> Eli Zaretskii <eliz@gnu.org> writes:
> 
> Hi Manuel & Eli,
> 
> >> Looking for pages into the cache with `doc-view-dired-cache', it
> >> seems that DocView has produced PNG content into files with "svg"
> >> extension.  Emacs then tries to display SVG images with PNG content
> >> and, obviously, failed.
> >> 
> >> The following patch fixes the issue for me but maybe there is more than
> >> meets the eye:
> >> 
> >> diff --git a/lisp/doc-view.el b/lisp/doc-view.el
> >> index f96b1bad886..e3539f8f886 100644
> >> --- a/lisp/doc-view.el
> >> +++ b/lisp/doc-view.el
> >> @@ -2151,6 +2151,7 @@ doc-view-set-up-single-converter
> >>    (pcase-let ((`(,conv-function ,type ,extension)
> >>                 (pcase doc-view-doc-type
> >>                   ('djvu (list #'doc-view-djvu->tiff-converter-ddjvu 'tiff 
> >> "tif"))
> >> +                 ((or 'ps 'postscript 'eps) (list 
> >> #'doc-view-ps->png-converter-ghostscript 'png "png"))
> >>                   (_ (if (and (eq doc-view-pdf->png-converter-function
> >>                                   #'doc-view-pdf->png-converter-mupdf)
> >>                               doc-view-mupdf-use-svg)
> >
> > Tassilo, any comments or suggestions?
> 
> The patch is absolutely correct.  That's been an oversight, I think.
> Thanks Manuel!

Thanks, now installed on the emacs-30 branch, and closing the bug.