What is roff

roff, in it's many variants nroff, troff, groff, are UNIX programms for formatting text files.

• nroff is for line printers (who ever can remeber these) and output on screen, man pages (?) .

• troff is the typesetting variant.

• groff is the gnu version.

Why roff

Fun, another way to make rst to postscript. roff is impressive small and quick.