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

[Arthur Reutenauer]

> Its Unicode general category is Lm (Letter Modifier), which means
> it'll be assigned \catcode = 11 and \lccode = itself by default. So
> you may want an extra pattern entry in the Greek files:
> 
>   8ʹ
> 
> to suppress a possible hyphenation position when it occurs after a
> Greek letter.

  Good point, that's probably the way to go.  Though from looking at the
lists of characters with category Lm, I wonder if we should treat them
as letters after all ... it's mostly modifier letters and spacing
diacritics.

	Best,

		Arthur