[tex-hyphen] Possible error in hyphenation patterns for Ancient Greek.

[Arthur Reutenauer]

> No, no changes to any \lccodes or \uccodes at all, Arthur.

  Understood.  But as is implied in the rest of the thread, XeTeX does
that for you in the format (via unicode-letters.tex).  For the time
being, just reset the character's \lccode to zero and you'll be fine.
I'll be discussing a long-term solution.

	Arthur