bug#69782: [PATCH] Fringe bitmaps should respect alpha-background

[Eli Zaretskii]

Ping!  Po Lu, what is the next step here?

> Cc: 69782@debbugs.gnu.org
> From: Nate Sandy <nsan@posteo.de>
> Date: Sat, 30 Mar 2024 09:52:23 +0000
> 
> Po Lu via "Bug reports for GNU Emacs, the Swiss army knife of text
> editors" <bug-gnu-emacs@gnu.org> writes:
> 
> > Nate Sandy <nsan@posteo.de> writes:
> >
> >> /* Define to 1 if XRender is available. */
> >> /* #undef HAVE_XRENDER */
> >
> > XRender is not available, without which Emacs cannot detect a suitable
> > 32-bit visual.  I suggest installing the development packages for
> > XRender.
> 
> Thanks. After installing XRender, I see `#define HAVE_XRENDER 1` in
> src/config.h. However, trying to start Emacs now with `src/emacs -q -xrm
> 'Emacs.visualClass: TrueColor-32'` results in a crash and the following
> message:
> 
>     X protocol error: BadMatch (invalid parameter attributes) on protocol 
> request 70
>     Serial no: 674
>     Failing resource ID (if any): 0x800038
>     Minor code: 0
>     This is a bug!  Please report this to bug-gnu-emacs@gnu.org!
> 
> This happens with both of the configurations I mentioned earlier, and
> with Emacs 29.2 as well. Starting Emacs without passing those X
> Resources results in (x-display-planes) still returning 24, so the
> original problem still stands.
> 
> 
> 
>