> Another would be to cancel Greek
> hyphenation for 8-bit engines and force people who need typesetting Greek
> texts to use XeLaTeX
We're not going to "cancel" anything or force people to switch to
another engine. The hyph-utf8 package was created precisely so that
hyphenation patterns would be available to all in a uniform way.
> and, if it worked in a simple way, also with LuaLaTeX,
> but this unfortunately is out of my and Apolstolo's reach
As I told you on another mailing list, if you have a specific problem
we can help you solve it.
Best,
Arthur