hi

[Jean-Marc Lasgouttes]

Le 08/10/2024 à 18:04, Jürgen Spitzmüller a écrit :
> Am Dienstag, dem 08.10.2024 um 11:51 -0400 schrieb Richard Kimberly
> Heck:
>> What is ZWJ?
> 
> ZERO WIDTH JOINER (0x200D). It is used to control ligatures especially
> in Arabic and Indic scripts.
> 
> We have it commented out in unicodesymbols. I am not sure how one would
> support it properly (LaTeX usually does it the other way round: do
> ligatures _unless_ you advise it not to).
> 
> Note, however, that it should work when using XeTeX/LuaTeX ("use non-
> TeX fonts") and a font that covers the glyph.

What bad things could happen if we just enabled it?

JMarc

PS: amusingly, this can also be used with emojis: change gender or skin 
color of an emoji by joining corresponding elements.