Re: Unicode 13 Emoji ranges composed with wrong font on NS port

[Eli Zaretskii]

> From: Robert Pluim <rpluim@gmail.com>
> Cc: alan@idiocy.org,  wyuenho@gmail.com,  emacs-devel@gnu.org
> Date: Wed, 13 Oct 2021 16:59:15 +0200
> 
>     Eli> But VS-15 is not about variant glyphs, it's about requesting the 
> "text
>     Eli> representation" of certain characters, including Emoji.  So it sounds
>     Eli> like the rule for compose-gstring-for-variation-glyph is not really
>     Eli> relevant for it, as well as for VS-16.  Right?
> 
> The VS-15 rule actually needs to continue to use
> compose-gstring-for-variation-glyph, because if I change it to use
> compose-gstring-for-graphic, the font_range change kicks in, and Emacs
> displays the Emoji presentation for codepoints followed by VS-15.

OK.  We should carefully document all this complexity in some
comments, I think.

Thanks.