[tex-hyphen] Hyphenation of polytonic Greek (expressed in Unicode)

[Arthur Reutenauer]

> 1) Are there patterns available for polytonic Greek expressed in
> Unicode (and if so, a link or pointer would be helpful)

  Yes, of course.

	http://tug.org/svn/texhyphen/trunk/hyph-utf8/tex/generic/hyph-utf8/patterns/tex/hyph-grc.tex?revision=592&view=markup

  They ship with every modern TeX distribution.  You can instruct TeX
Live to load them into XeTeX when building the format file.

> 2) If a paragraph contains a mixture of both English and polytonic
> Greek, is it possible for both languages to be correctly hyphenated,
> and if so, how ?

  Just change \language whenever you switch between English and Greek
(provided both pattern sets have been dumped in the format as hinted
above).

	Arthur