GNU bug report logs - #21640
25.0.50; Fontset-font is never scaled

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Stefan Kangas <stefan <at> marxist.se>
Cc: tracker <at> debbugs.gnu.org
Subject: bug#21640: closed (25.0.50; Fontset-font is never scaled)
Date: Fri, 17 Apr 2020 10:32:02 +0000

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Your message dated Fri, 17 Apr 2020 12:31:39 +0200
with message-id <87pnc6tnck.fsf <at> stefankangas.se>
and subject line Re: bug#21640: 25.0.50; Fontset-font is never scaled
has caused the debbugs.gnu.org bug report #21640,
regarding 25.0.50; Fontset-font is never scaled
to be marked as done.

(If you believe you have received this mail in error, please contact
help-debbugs <at> gnu.org.)


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From: Artur Malabarba <arturmalabarba <at> gmail.com>
To: bug-gnu-emacs <at> gnu.org
Subject: 25.0.50; Fontset-font is never scaled
Date: Wed, 7 Oct 2015 11:52:04 +0100

I have the following snippet in my init file.

(set-face-attribute 'default nil :height 100
                    :font "SourceCodePro Medium")
(set-fontset-font "fontset-default" nil
                  (font-spec :size 40 :name "Symbola"))

On my Ubuntu system, this means any characters no supported by the
main font (SourceCodePro) will displayed in the Symbola font and
considerably scaled up in size (good).

On my Arch GNU/Linux system, the same happens, except the Symbola
characters are not scaled up in size. By inspecting them with C-u C-x
= I can verify that the Symbola font is indeed being used:

   xft:-unknown-Symbola-normal-normal-semicondensed-*-13-*-*-*-*-0-iso10646-1
(#x1BE3)

Both are compiled from master.

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From: Stefan Kangas <stefan <at> marxist.se>
To: Lars Ingebrigtsen <larsi <at> gnus.org>
Cc: Artur Malabarba <arturmalabarba <at> gmail.com>, 21640-done <at> debbugs.gnu.org,
 Eli Zaretskii <eliz <at> gnu.org>
Subject: Re: bug#21640: 25.0.50; Fontset-font is never scaled
Date: Fri, 17 Apr 2020 12:31:39 +0200

Lars Ingebrigtsen <larsi <at> gnus.org> writes:

> Artur Malabarba <arturmalabarba <at> gmail.com> writes:
>
>> Anyway, the matter is more complicated then I initially thought. Even
>> on Ubuntu it doesn't work on every Symbola character.
>> For instance, I can get it to work with the "MATHEMATICAL
>> DOUBLE-STRUCK DIGIT ____" family. If I inspect the char I get this
>> description:
>>     xft:-unknown-Symbola-normal-normal-semicondensed-*-50-*-*-*-*-0-iso10646-1
>> (#x14CD)
>>
>> But it doesn't seem to work with anything from the "SMILING FACE WITH
>> ___" family.
>>     xft:-unknown-Symbola-normal-normal-semicondensed-*-16-*-*-*-*-0-iso10646-1
>> (#x18FA)
>
> I tried reproducing this (starting from -Q), but I'm not sure whether
> I'm doing it right.  First I evaled:
>
> (set-fontset-font "fontset-default" nil
>                   (font-spec :size 80 :name "Unifont Upper"))
>
>
> Then inserted SMILING FACE WITH SMILING EYES AND THREE HEARTS (which
> uses that font), and I got:
>
>     ftcrhb:-PfEd-Unifont Upper-normal-normal-normal-*-80-*-*-*-d-0-iso10646-1 (#x2886)
>
> Character code properties: customize what to show
>   name: SMILING FACE WITH SMILING EYES AND THREE HEARTS
>
> So it seems to work for me.  Has this bug gone away in the meanwhile, or
> are you still seeing it?

More information was requested, but none was given within 21 weeks, so
I'm closing this bug.  If this is still an issue, please reply to this
email (use "Reply to all" in your email client) and we can reopen the
bug report.

Best regards,
Stefan Kangas

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