GNU bug report logs - #50951
28.0.50; Urdu text is not displayed correctly

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Package: emacs;

Reported by: Rah Guzar <aikrahguzar <at> gmail.com>

Date: Fri, 1 Oct 2021 20:19:01 UTC

Severity: normal

Tags: moreinfo

Found in version 28.0.50

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

Bug is archived. No further changes may be made.

Full log

Message #32 received at 50951 <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: Rah Guzar <aikrahguzar <at> gmail.com>
Cc: 50951 <at> debbugs.gnu.org
Subject: Re: bug#50951: Fwd: bug#50951: 28.0.50;
 Urdu text is not displayed correctly
Date: Sat, 02 Oct 2021 17:50:09 +0300

> From: Rah Guzar <aikrahguzar <at> gmail.com>
> Date: Sat, 2 Oct 2021 16:19:01 +0200
> Cc: 50951 <at> debbugs.gnu.org
> 
> I tried hb-view with NotoNastaliqUrdu and the text:
>  خوبی اپنی قسمت کی
> This is what I get
> urduhbtestnoto.png
> While in emacs I discovered how it is displayed depends a lot on the font size.
> 
> For the same text at size 16, I get 
> 
> emacsq16.png
>   
> At size 24 it looks almost correct 
> emacsq24.png
> At size 32 it is really bad again
> emacsq32.png
> And the issue seem to be glyph placement rather than shaping.
>  
> NotoNastaliqUrdu seems to be the only font with this issue. I am not sure if the problem is due to Nastaliq.

If you set bidi-display-reordering to a nil value, does the display
become better or worse?
This bug report was last modified 2 years and 241 days ago.

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