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bug#34035: 26.1; Arabic shadda-kasrah renders incorrectly
From: |
Basil L. Contovounesios |
Subject: |
bug#34035: 26.1; Arabic shadda-kasrah renders incorrectly |
Date: |
Wed, 19 Aug 2020 17:18:36 +0100 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux) |
Eli Zaretskii <eliz@gnu.org> writes:
> Which seems to clearly indicate that this _is_ font-dependent, right?
>
> Moreover, it seems also to hint on the reason for the issue: the
> correct display uses only 2 glyphs, whereas the incorrect display uses
> 3 glyphs. Which means -- and that matches my observations on my
> systems -- that the "good" font has a precomposed glyph for
> shadda-kasrah, while the "bad" font doesn't. And the composition data
> in the latter case indicates that we were told to display the kasrah
> below the base character (the descent value is positive).
Makes sense.
> Can someone please see what HarfBuzz's hb-view produces from these
> glyphs, with the same fonts as you see in Emacs? If hb-view produces
> the same display for the same fonts, then it's not an Emacs problem,
> and we should ask the HarfBuzz developers what, if anything, HarfBuzz
> can do better for the problematic fonts. And if hb-view does better
> than Emacs, then we should ask the HarfBuzz developers to help us
> understand what we do incorrectly in this case.
Emacs and hb-view seem to be in agreement:
Thanks,
--
Basil
- bug#34035: 26.1; Arabic shadda-kasrah renders incorrectly, Stefan Kangas, 2020/08/18
- bug#34035: 26.1; Arabic shadda-kasrah renders incorrectly, Basil L. Contovounesios, 2020/08/19
- bug#34035: 26.1; Arabic shadda-kasrah renders incorrectly, Stephen Berman, 2020/08/19
- bug#34035: 26.1; Arabic shadda-kasrah renders incorrectly, Stefan Kangas, 2020/08/19
- bug#34035: 26.1; Arabic shadda-kasrah renders incorrectly, Basil L. Contovounesios, 2020/08/19
- bug#34035: 26.1; Arabic shadda-kasrah renders incorrectly, Eli Zaretskii, 2020/08/19
- bug#34035: 26.1; Arabic shadda-kasrah renders incorrectly, Basil L. Contovounesios, 2020/08/19
- bug#34035: 26.1; Arabic shadda-kasrah renders incorrectly, Eli Zaretskii, 2020/08/19
bug#34035: 26.1; Arabic shadda-kasrah renders incorrectly, Eli Zaretskii, 2020/08/19
- bug#34035: 26.1; Arabic shadda-kasrah renders incorrectly,
Basil L. Contovounesios <=
- bug#34035: 26.1; Arabic shadda-kasrah renders incorrectly, Eli Zaretskii, 2020/08/19
- bug#34035: 26.1; Arabic shadda-kasrah renders incorrectly, Basil L. Contovounesios, 2020/08/19
- bug#34035: 26.1; Arabic shadda-kasrah renders incorrectly, James Cloos, 2020/08/23
- bug#34035: 26.1; Arabic shadda-kasrah renders incorrectly, Eli Zaretskii, 2020/08/23
- bug#34035: 26.1; Arabic shadda-kasrah renders incorrectly, Stephen Berman, 2020/08/23
- bug#34035: 26.1; Arabic shadda-kasrah renders incorrectly, Eli Zaretskii, 2020/08/23