[luatex] setting lccode "automatically"

[Taco Hoekwater]

Hi,

> Where do you want these algorithms actually? I think for case
> conversion user should just ignore \lowercase etc. and use a
> (to-be-written) Lua wrapper to ICU 

Well, if someone wants to write a lua wrapper for ICU and then
use a lua replacement for \uppercase and \lowercase, that is fine.
Not me though, as I do not want luatex to be dependent on libICU.

Best wishes,
Taco