> I mean a file without that TeX mark-up, comments etc. Package hyph-utf8 > distributes such "pure" pattern files (ending .pat.txt), but I can't see > a file matching hyphen.tex.
That's because it's not used in hyph-utf8. I agree with Philip on
this issue: it is under Knuth's responsibility, so it doesn't really
make sense to duplicate information, and it's a minimal effort to
extract it from the TeX file.
Arthur
