From: Juri Linkov <juri@linkov.net>
To: Eli Zaretskii <eliz@gnu.org>
Cc: 44784@debbugs.gnu.org
Subject: bug#44784: Combining accent is not combining
Date: Sat, 21 Nov 2020 22:35:11 +0200 [thread overview]
Message-ID: <87wnyephxc.fsf@mail.linkov.net> (raw)
In-Reply-To: <83v9dyxyov.fsf@gnu.org> (Eli Zaretskii's message of "Sat, 21 Nov 2020 22:05:52 +0200")
> Btw, the report by Emacs 27's "C-u C-x =", viz.:
>
> Composed with the following character(s) "́" using this font:
> xfthb:-PfEd-DejaVu Sans Mono-normal-normal-normal-*-22-*-*-*-m-0-iso10646-1
> by these glyphs:
> [0 1 1071 878 13 0 13 16 0 nil]
> [0 1 769 649 13 4 11 17 -13 [0 0 0]]
>
> explicitly says that character composition _did_ happen here, it's
> just the display that is broken. And I guess that moving point to
> these characters will show a "fat" cursor that includes both the base
> character and the accent, once again showing that Emacs did compose
> the accent with the preceding character.
Actually, separate cursor is shown on a character and separate on its
combining character, so it seems they are not composed.
>> It seems in 26.3 it's correct because it uses XFT, but the problem in 27.1
>> is with HarfBuzz . Maybe HarfBuzz doesn't support combining accents on
>> some characters?
>
> That cannot be the reason. Please try with other fonts, for
> starters. DejaVu Sans Mono is known to have problems with combining
> accents, see this discussion:
Yes, it displays correctly with other fonts, e.g. Noto Sans.
It would be a pity to switch to another font. So this bug report
could be closed if nothing can be done in Emacs.
next prev parent reply other threads:[~2020-11-21 20:35 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-21 19:17 bug#44784: Combining accent is not combining Juri Linkov
2020-11-21 20:05 ` Eli Zaretskii
2020-11-21 20:13 ` Eli Zaretskii
2020-11-21 20:35 ` Juri Linkov [this message]
2020-11-22 3:35 ` Eli Zaretskii
2020-11-22 10:12 ` Stephen Berman
2020-11-22 15:28 ` Eli Zaretskii
2020-11-22 16:28 ` Stephen Berman
2020-11-22 16:52 ` Eli Zaretskii
2022-02-09 9:43 ` Lars Ingebrigtsen
2022-02-10 8:40 ` Juri Linkov
2022-02-10 10:49 ` Robert Pluim
2022-02-10 11:19 ` Lars Ingebrigtsen
2022-02-10 12:25 ` Eli Zaretskii
2020-11-21 20:08 ` Andreas Schwab
2020-11-21 20:30 ` Juri Linkov
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