bug#55319: 28.1.50; Abugida not rendered correctly (MacOS)

[Eli Zaretskii]

> From: Kai Ma <justksqsf@gmail.com>
> Date: Wed, 11 May 2022 23:43:36 +0800
> Cc: 55319@debbugs.gnu.org
> 
>  Emacs doesn't discover composition rules. The composition rules are
>  part of the Emacs code, see the various *.el files in lisp/language/
>  directory. Some of these composition rules are derived automatically
>  from character properties, see composite.el and characters.el (which
>  cannot happen without Emacs knowing up-front about the properties).
> 
> Thanks for this. I didn’t know Emacs needed to manually compose characters.
> 
> Feel free to close this report, since it is due to my misunderstanding, not a 
> real problem nor a real “wishlist”.

Done.