> The more orthogonal solution I can think of right now is:
>
> 1. Static vs dynamic: static is for non-luatex engines, or with luatex, for
> languages without an entry in language.dat.lua.
>
> If we're in the dynamic world, it's luatex hence utf-8, period.
>
> In the static case, the engine can be any of pdftex, xetex, luatex. Here the
> relevant question is: 8-bit or utf-8?
Thanks, that clearer, indeed.
> And this question is best answered in
> the
> loadhyph-XX.tex file that with cutom language.{dat,def} files for xetex ad/or
> luatex, IMO.
Agreed.
Arthur