bug#62713: 29.0.60; DocView shows wrong conversion indicator when configured to use svg images

[Stefan Kangas]

Gregor Zattler <grfz@gmx.de> writes:

> Package: emacs
> Version: 29.0.60
> Severity: minor
>
> Dear Emacs developers,
>
> 1. start emacs -Q,
> 2. evaluate `(setq doc-view-mupdf-use-svg t)' in *scratch* buffer, then
> 3. open a (preferably large) pdf file:
>
> While the pdf file is converted to images in the
> background, a modeline indicator is shown:
>
> DocView:pdf->png
>
> which is wrong in this case since the conversion is
> configured to produce svg images.
>
> The indicator should look like
>
> DocView: pdf->svg
>
> or
>
> DocView:pdf->img
>
> or
>
> DocView:pdf conversion
>
> or something like that.
>
> Admittedly a very minor issue.
> Thanks, Gregor

Visuwesh, what do you think?

> In GNU Emacs 29.0.60 (build 9, x86_64-pc-linux-gnu,
>  cairo version 1.16.0) of 2023-03-18 built on no
> Repository revision: 11592bcfda6cf85d797d333072453c98994790e1
> Repository branch: HEAD
> Windowing system distributor 'The X.Org Foundation', version 11.0.12011000
> System Description: Debian GNU/Linux 11 (bullseye)
>
> Configured using:
>  'configure --with-sound=yes --without-gconf
>  --with-mailutils --build x86_64-linux-gnu
>  --infodir=/usr/share/info --with-json
>  --with-file-notification=yes --with-cairo --with-x=yes
>  --with-x-toolkit=no --without-toolkit-scroll-bars
>  --enable-checking=yes,glyphs
>  --enable-check-lisp-object-type
>  --with-native-compilation 'CFLAGS=-g3 -Os
>  
> -ffile-prefix-map=/home/grfz/src/emacs-emacs-29--11592bcfda6cf85d797d333072453c98994790e1--2023-03-18T17-21+01-00=.
>  -fstack-protector-strong
>  -Wformat -Werror=format-security ''
>
> Configured features:
> ACL CAIRO DBUS FREETYPE GIF GLIB GMP GNUTLS GPM
> GSETTINGS HARFBUZZ JPEG JSON LCMS2 LIBOTF LIBSELINUX
> LIBSYSTEMD LIBXML2 M17N_FLT MODULES NATIVE_COMP NOTIFY
> INOTIFY OLDXMENU PDUMPER PNG RSVG SECCOMP SOUND SQLITE3
> THREADS TIFF X11 XDBE XIM XINPUT2 XPM ZLIB