GNU bug report logs - #57976
29.0.50; Complex emoji have extra spacing

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Package: emacs;

Reported by: Protesilaos Stavrou <info <at> protesilaos.com>

Date: Wed, 21 Sep 2022 10:18:02 UTC

Severity: normal

Merged with 59606

Found in version 29.0.50

Done: YAMAMOTO Mitsuharu <mituharu <at> math.s.chiba-u.ac.jp>

Bug is archived. No further changes may be made.

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From: Protesilaos Stavrou <info <at> protesilaos.com>
To: Lars Ingebrigtsen <larsi <at> gnus.org>
Cc: 57976 <at> debbugs.gnu.org
Subject: bug#57976: 29.0.50; Complex emoji have extra spacing
Date: Wed, 21 Sep 2022 13:48:03 +0300

> From: Lars Ingebrigtsen <larsi <at> gnus.org>
> Date: Wed, 21 Sep 2022 12:30:44 +0200
>
> Protesilaos Stavrou <info <at> protesilaos.com> writes:
>
>> With a recent build of Emacs and harfbuzz version 5.2.0 all the complex
>> emoji have extra spacing after them.  This space is present everywhere
>> the affected emoji is displayed.  One example is the interface of the
>> command 'emoji-search'.
>>
>> Steps to reproduce the attached screenshot on 'emacs -Q':
>>
>> - Type 'C-x 8 e s'
>> - Type "face" and then TAB twice to bring up the Completions' buffer.
>
> [...]
>
>> In GNU Emacs 29.0.50 (build 3, x86_64-pc-linux-gnu, GTK+ Version
>>  3.24.34, cairo version 1.17.6) of 2022-09-21 built on kronos
>> Repository revision: 1231a601ebe1fd9fe454c504dbeb9267440242e7
>> Repository branch: makepkg
>> System Description: Arch Linux
>
> I don't see this with:
>
> In GNU Emacs 29.0.50 (build 61, x86_64-pc-linux-gnu, GTK+ Version
>  3.24.33, cairo version 1.16.0) of 2022-09-16 built on joga
> Repository revision: 7d39453fd64e355526291b0ca5672e838de5fb58
> Repository branch: master
> Windowing system distributor 'The X.Org Foundation', version 11.0.12101003
> System Description: Ubuntu 22.04.1 LTS
>
> This is with an earlier version of harfbuzz, though.
>
> libharfbuzz-dev/jammy-updates,jammy-security,now 2.7.4-1ubuntu3.1 

I just downgraded to harfbuzz 5.1.0 and restarted Emacs.  The spacing is
fine now.  I suppose this means we should close this bug and report it
to the harfbuzz maintainers.  Though I thought I would bring it to your
attention.

-- 
Protesilaos Stavrou
https://protesilaos.com
This bug report was last modified 2 years and 229 days ago.

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