bug#57555: 29.0.50; variable-pitch font issue with medium weight default font

[Eli Zaretskii <eliz@gnu.org>]

> From: Amin Bandali <bandali@gnu.org>
> Cc: 57555@debbugs.gnu.org
> Date: Mon, 05 Sep 2022 11:08:10 -0400
> 
> (when (display-graphic-p)
>   (set-fontset-font t 'arabic "Vazir"))
> 
> And further down:
> 
> (when (display-graphic-p)
>   (with-eval-after-load 'faces
>     (let ((grey "#e7e7e7"))
>       (set-face-attribute 'fixed-pitch nil :family "Source Code Pro")
>       (set-face-attribute 'mode-line nil
>                           :background grey
>                           :inherit 'fixed-pitch))))

Does it change anything if you remove the customization of fixed-pitch
face?

> > Can't you customize the variable-pitch face to specify the FreeSans
> > family, or even to specify the exact font you want Emacs to use?  That
> > should allow you to override any built-in heuristics that Emacs uses
> > when it has no other restrictions.
> >
> 
> This indeed doesn't seem to work anymore.  With the following,
> 
>     (set-face-attribute 'variable-pitch nil :family "FreeSans")
> 
> Emacs picks/uses Source Code Pro medium for variable-pitch (confirmed
> visually and with describe-char), even though describe-face for
> variable-pitch shows the family set as "FreeSans".  This used to work
> before, but not anymore.

Even if you set the face's font explicitly by its full XLFD name, not
implicitly via :family?