Another pecuilarity: When I use: troff -mkoi8-r -Thtml test.roff > test.out
it works correctly and does not issue any warning messages, but the command pre-grohtml troff -mkoi8-r -Thtml test.roff > \ test.out does issue the "can't find special character" warn- ings. What is it that pre-grohtml does that causes them? The only difference in the ouput is that with pre-grohtml the line "F test.roff" turned into two lines: F - F ./test.roff Nothing else changed, and the glyphs reported as missing were still there... Why the warnings? Anton