On Thu, Mar 11, 2010 at 10:12:25PM +0200, Khaled Hosny wrote: > What about the approach we used in etex.src; redefining \patterns and > \hyphenation to use corresponding lua functions, so we don't need to > duplicate hyphenation files and, AFAIU, solves the catcode issue. \patterns is not read by Lua but by TeX, thus the catcode problem remains. Yours sincerely Heiko <[log in to unmask]>