bug#34035: 26.1; Arabic shadda-kasrah renders incorrectly

[Basil L. Contovounesios]

Eli Zaretskii <eliz@gnu.org> writes:

>> From: "Basil L. Contovounesios" <contovob@tcd.ie>
>> Date: Wed, 19 Aug 2020 11:48:20 +0100
>> Cc: 34035@debbugs.gnu.org, Stephen Berman <stephen.berman@gmx.net>,
>>  Peter <craven@gmx.net>
>> 
>> > Does that mean that this is a bug/missing feature in the fonts, and not
>> > in Emacs?
>> 
>> Sounds like it, though I'm curious whether Eli's concerns in
>> https://debbugs.gnu.org/34035#35 still apply.
>
> You mean, the order of showing the glyphs in the grapheme cluster?  I
> eventually convinced myself that this is a side effect of how HarfBuzz
> works with R2L compositions, not a bug.

That and "why the default font has any effect on how characters in a
non-default font are displayed".

-- 
Basil