Dear Takayuki, Thank you very much for the answer. I got all the answers that I needed.
> I've once given an answer on the following post on "TeX Forum". > http://oku.edu.mie-u.ac.jp/tex/mod/forum/discuss.php?d=460#p2431 > If you feel this is too hard to understand, I remember that and I did understand that, I was just not really sure about Greek (which had at least some theoretical chances to be supported out-of-the-box). The information I didn't have was that its support in JIS X was useless. > then the simple answer is: > "mostly the same as 8-bit (pdf)TeX users do", except that some > restrictions are imposed. That is, pTeX users write Greek with > using Babel and LGR font encoding, and they normally use CB Fonts > but might prefer some other family (eg. from GFS families), etc. > Now I will explain on the most tricky part, input encodings. > > Given that pTeX can read UTF-8, onw might want to write Greek in UTF-8, > but there is a high hurdle to do it; the hurdle is that JIS X 0208 > *does* contain (rather than *does not*) Greek letters. > > Because the JIS repertoire contains a part of Greek letters, such > letters are treated as Japanese text and output using Japanese fonts Thanks. That completely answers my question. So we will simply continue to use gr*hyph5.tex. It will probably be best if we simply include it into hyph-utf8 and install those patterns unconditionally. Mojca
