GNU bug report logs - #54646
29.0.50; set-fontset-font and font clipping issues

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Package: emacs;

Reported by: Visuwesh <visuweshm <at> gmail.com>

Date: Thu, 31 Mar 2022 03:38:01 UTC

Severity: normal

Merged with 73752

Found in versions 29.0.50, 29.4

Fixed in version 30.1

Done: Eli Zaretskii <eliz <at> gnu.org>

Bug is archived. No further changes may be made.

Full log

Message #116 received at 54646 <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: Visuwesh <visuweshm <at> gmail.com>
Cc: rpluim <at> gmail.com, 54646 <at> debbugs.gnu.org
Subject: Re: bug#54646: 29.0.50; set-fontset-font and font clipping issues
Date: Fri, 22 Apr 2022 10:23:09 +0300

> From: Visuwesh <visuweshm <at> gmail.com>
> Cc: rpluim <at> gmail.com,  54646 <at> debbugs.gnu.org
> Date: Thu, 21 Apr 2022 20:20:45 +0530
> 
> I was not successful in getting the data for all offending sequences.
> The offending sequences were,
> 
> bb9 bbf -- ஹி
> ba9 bc1 -- னு
> bb5 bbf	-- வி
> b86 -- ஆ
> 
> and the GOOD case for bb9 bbf is
> 
>     lbearing 1 rbearing 28 width 28 ascent 9 descent 5
>     1 bb9 bbf xadvance 1809 yadvance 0 xoffset 0 yoffset 0
>     xpos 0 yoff 0 wadjust 28
> 
> and the BAD case is
> 
>     lbearing 1 rbearing 28 width 28 ascent 9 descent 5
>     1 bb9 bbf xadvance 3193 yadvance 0 xoffset 0 yoffset 0
>     xpos 0 yoff 0 wadjust 50

This looks like HarfBuzz is feeding us incorrect data for some reason,
but I cannot imagine what that reason could be, sorry.
This bug report was last modified 253 days ago.

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