[luatex] Indic scripts

[Arthur Reutenauer]

> https://www.guitex.org/home/en/numero-23-aprile-2017
> 
> Foreign Function Interface in LuaTeX
> 
> Hans shown how to use luaffi to  connect to (the shared lib version of
> ) harfbuzz

  Haha!  That’s promising.  I’ll wait until 15 April to download the
article then :-)

	Best,

		Arthur