1. Yannis Haralambous describes the challenges posed in representing ancient Grek in this paper presented at the 14th International Unicode Conference, March 1999.
Greek vowels aeniouw can take the accents actue "ox'ia", grave "var'ia", circumflex "perispom'eni"
houde koppo gignoskon -- check source, spelling etc. e.g. so ignorant that "he doesn't even know koppa". oude xoppa gignwsxwn.
2. Future directions (date?) in Greek LaTeX with Babel.