6 :See also: project gutenberg nroff writer
12 roff, in it's many variants nroff, troff, groff, are UNIX programms for
13 formatting text files.
15 * nroff is for line printers (who ever can remeber these) and output on
16 screen, man pages (?) .
17 * troff is the typesetting variant.
18 * groff is the gnu version.
23 Fun, another way to make rst to postscript. roff is impressive small