GNU bug report logs - #52493
29.0.50; Setting Inconsolata up in init.el makes default face rendered wrong

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From: Dmitry Gutov <dgutov <at> yandex.ru>
To: Eli Zaretskii <eliz <at> gnu.org>, Robert Pluim <rpluim <at> gmail.com>
Cc: 52493 <at> debbugs.gnu.org
Subject: bug#52493: 29.0.50; Setting Inconsolata up in init.el makes default face rendered wrong
Date: Thu, 16 Dec 2021 16:01:26 +0300

On 16.12.2021 10:29, Eli Zaretskii wrote:
>> Cc: 52493 <at> debbugs.gnu.org
>> From: Dmitry Gutov <dgutov <at> yandex.ru>
>> Date: Thu, 16 Dec 2021 01:43:31 +0300
>>
>>>> (set-face-attribute 'default nil :height 110 :family "Inconsolata_dz")
>>>>
>>>> See the attached screenshot with comparison (master is on the left).
>>>
>>> Indeed, weird.  What does the below show?
>>>
>>>     M-: (face-font 'default) RET
>>>
>>> after you evaluate the above in "emacs -Q"?
>>
>> "-DAMA-Ubuntu Condensed-regular-normal-normal-*-29-*-*-*-*-0-iso10646-1"
>>
>> So... not the right family and it's "condensed", for some reason.
>>
>> For comparison,
>>
>> (set-face-attribute 'default nil :height 110 :family "Ubuntu")
>>
>> results in
>>
>> "-DAMA-Ubuntu-regular-normal-normal-*-29-*-*-*-*-0-iso10646-1"
>>
>> And by default (without any set-face-attribute calls),
>>
>> (face-font 'default) evaluates to
>>
>> "-DAMA-Ubuntu Mono-regular-normal-normal-*-35-*-*-*-m-0-iso10646-1"
>>
>>> And how does it differ
>>> from the same in a version of Emacs that predates the changes of the
>>> mode-line face?
>>
>> Current emacs-28 returns
>>
>> "-PfEd-Inconsolata_dz-normal-normal-normal-*-29-*-*-*-m-0-iso10646-1"
>>
>> Regarding "version of Emacs that predates", I wasn't sure which commit
>> to pick exactly, but 756b8a5f1bd28aeadc804 also returns that value, and
>> doesn't have the described problem.
>>
>>> Also, what happens if you invoke Emacs like this:
>>>
>>>     $ emacs -Q -fn Inconsolata_dz
>>
>> It doesn't look as narrow, and (face-font 'default) evaluates to
>>
>> "-PfEd-Inconsolata_dz-medium-normal-normal-*-32-*-*-*-m-0-iso10646-1"
> 
> Thanks.  I think this means that Emacs 29 on master now rejects the
> Inconsolata_dz font for some reason, or thinks it finds a better
> match.

Despite 'emacs -Q -fn Inconsolata_dz' having the intended effect?

> The fact that it picks a condensed family is probably
> secondary; the main issue here is that the font family you requested
> is rejected.
> 
> Does that family have the regular weight?  If not, maybe that's the
> reason it is rejected, and you need to also require some specific
> :weight value in your set-face-attribute call.

Although yes, something to that effect seems to be going on. But 
specifying different values of :weight doesn't help either (regulal, 
medium, light, bold, extra-bold).

Nor :width (condensed/semi-condensed/normal).

> Also, maybe running
> 
>    $ FC_DEBUG=1282 emacs -Q
> 
> will give us a clue of what happens.  See
> 
>    https://www.freedesktop.org/software/fontconfig/fontconfig-user.html#DEBUG
> 
> for where I took that weird value.

I've recorded the log, but it's 92 MB.

It's uploaded here: https://www.filemail.com/d/uplporttqgfaive

(The page probably requires JS, and if somehow it doesn't work on your 
system, try ftp://uplporttqgfaive:filemail <at> 3012.filemail.com/)

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