bug#45920: closed (28.0.50; set-face-attribute cannot read :family when different :weight exist)

[GNU bug Tracking System]

Your message dated Sun, 17 Jan 2021 05:29:20 +0200
with message-id <83o8ho8cmn.fsf@gnu.org>
and subject line Re: bug#45920: 28.0.50; set-face-attribute cannot read :family 
when different :weight exist
has caused the debbugs.gnu.org bug report #45920,
regarding 28.0.50; set-face-attribute cannot read :family when different 
:weight exist
to be marked as done.

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45920: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=45920
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> --- Begin Message ---
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> Subject: 
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> 28.0.50; set-face-attribute cannot read :family when different :weight exist
>
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> Date: 
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> Sat, 16 Jan 2021 22:09:54 +0200
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>
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>
> Dear maintainers,
>
> I have noticed that setting fonts via 'set-face-attribute' works as
> intended except in the following scenario (on 'emacs -Q'):
>
>    ;; Sample 1
>    (set-face-attribute 'default nil
>                        :family "Source Code Pro"
>                        :weight 'light)
>
>    ;; Sample 2
>    (set-face-attribute 'default nil
>                        :family "Hack"
>                        :weight 'normal)
>
> If you evaluate sample 1, you will get the desired behaviour.  Namely,
> the font family for the default face is the one specified, as is the
> typographic weight.
>
> Now if you proceed to evaluate sample 2, you will notice that only the
> weight gets updated.  The family continues to be that of sample 1.
>
> At this point, to get the family of sample 2, you need to evaluate
> sample 2 one more time.
>
> I tried various combinations and my impression is that the problem
> occurs when the :weight properties are different.  Other properties,
> such as :height, do not exhibit this behaviour.
>
> Can you reproduce this on your end?
>
> All the best,
> Protesilaos
>
> -- 
> Protesilaos Stavrou
> protesilaos.com
>
>
>
> --- End Message ---
> --- Begin Message ---
>
>
>
> Subject: 
>
> Re: bug#45920: 28.0.50; set-face-attribute cannot read :family when different :weight exist
>
>
>
>
> Date: 
>
> Sun, 17 Jan 2021 05:29:20 +0200
>
>
>
>
> > From: Protesilaos Stavrou <info@protesilaos.com>
> > Cc: 45920@debbugs.gnu.org
> > Date: Sat, 16 Jan 2021 23:02:24 +0200
> > 
> > Following your input, I tried alternating between those two and they
> > both give me the right results:
> > 
> >    (progn
> >      (internal-set-lisp-face-attribute 'default :family "Source Code Pro" 0)
> >      (internal-set-lisp-face-attribute 'default :weight 'light 0))
> >    
> >    (progn
> >      (internal-set-lisp-face-attribute 'default :weight 'normal 0)
> >      (internal-set-lisp-face-attribute 'default :family "Hack" 0))
> > 
> > Please feel free to close this.
>
> Done.
>
>
> --- End Message ---