>> >> If there is no good short authoritative book on troff, and if you are >> not already proficient in troff, try TeX instead simply because of the >> TeXbook if not something else. > > And mind you, I know for sure there is TeX for Plan9---even if I'm the > only one interested in it; but it is published as a side effect of my > own needs, not as a goal.
the Teχbook may be authoratative, but it's by no means short. - erik