bug#35721: 27.0.50; Strange Arabic shaping behavior

[Basil L. Contovounesios]

close 35721
quit

Eli Zaretskii <eliz@gnu.org> writes:

>> From: "Basil L. Contovounesios" <contovob@tcd.ie>
>> Cc: Khaled Hosny <dr.khaled.hosny@gmail.com>,  <behdad@behdad.org>,  
>> <handa@gnu.org>,  <35721@debbugs.gnu.org>
>> Date: Thu, 16 May 2019 21:54:10 +0100
>> 
>> The issue that prompted this report, however, is the alternating
>> toggling of certain character compositions while typing in a separate
>> part of the buffer (steps 9 and 10 in the OP), where no face change is
>> involved.  I'm sorry for not making this clearer from the outset.
>> 
>> If you think this is unsurprising behaviour given the display engine's
>> current implementation, I don't mind if you close this issue.
>
> I'm quite sure it is the result of how the display of complex scripts
> is implemented.  However, ...
>
>> Otherwise, perhaps either this issue can be retitled, or I can submit a
>> new issue focussing only on that part of the OP.
>
> ... I think it would be best to file a new bug report, which is _only_
> about the above-mentioned alternations in display of composed
> characters, with specific examples only for that issue.  Then these
> examples could be analyzed, and either (1) we find some bug that will
> then be fixed, or (2) we conclude that these are artifacts of the
> current implementation of the display engine, and make this a wishlist
> bug report.

Filed as bug#35811[1], so I'm closing this report.

[1]: https://debbugs.gnu.org/35811

Thanks,

-- 
Basil