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From: Eli Zaretskii <eliz@gnu.org>
To: Shingo Tanaka <shingo.fg8@gmail.com>
Cc: 65865@debbugs.gnu.org
Subject: bug#65865: 30.0.50; set-face-attribute doesn't take effect on new frames on Android
Date: Mon, 11 Sep 2023 16:38:33 +0300	[thread overview]
Message-ID: <83edj4rfs6.fsf@gnu.org> (raw)
In-Reply-To: <s9aledcoqpu.wl-shingo.fg8@gmail.com> (message from Shingo Tanaka on Mon, 11 Sep 2023 21:10:37 +0900)

> Date: Mon, 11 Sep 2023 21:10:37 +0900
> From: Shingo Tanaka <shingo.fg8@gmail.com>
> 
> (set-face-attribute 'default nil :font "Noto Sans Mono CJK JP") doesn't take
> effect on new frames on Android, even though the 2nd argument FRAME is nil.
> 
> Here is how to reproduce.
> Maybe the font doesn't need to be the one I specified here.
> 
> 0. Download NotoSansMonoCJKjp-VF.ttf from the url below and put it in ~/fonts 
> 1. Run Emacs w/o init file.
> 2. Evaluate (set-face-attribute 'default nil :font "Noto Sans Mono CJK JP")
>    on *scratch* buffer.
> 3. You can see the displayed font is updated to Noto font.
> 4. Type C-x 5 2 (make-frame-command)
> 5. You can see the font is not Noto font but the initial font on the new frame.

I must say that I'm uncomfortable with this use of script-specific
fonts.  These fonts are clearly intended to be used for specific
scripts/languages, not as the default font.  Emacs allows, via the
fontset feature, to configure a set of fonts that is optimized for
covering large portions of the Unicode codespace, for exactly this
reason: it is impractical to expect a single font have good support
both for, say, the Japanese script and for other scripts, including
advanced text-shaping features such as ligation etc.

So I really suggest not to use these Noto fonts as the default font,
but instead configure your fontset such that only the Japanese
characters are displayed using this font.





  reply	other threads:[~2023-09-11 13:38 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-09-11 12:10 bug#65865: 30.0.50; set-face-attribute doesn't take effect on new frames on Android Shingo Tanaka
2023-09-11 13:38 ` Eli Zaretskii [this message]
2023-09-12  2:39 ` Po Lu via Bug reports for GNU Emacs, the Swiss army knife of text editors
2023-09-12 13:46   ` Shingo Tanaka
2023-09-12 14:08     ` Po Lu via Bug reports for GNU Emacs, the Swiss army knife of text editors

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