Groff (GNU Troff) is a document processor which reads plain text mixed
with formatting commands and produces formatted output. Included in this
release are implementations of troff, pic, eqn, tbl, refer, the -man
macros and the -ms macros, and drivers for PostScript, TeX dvi format, HP
LaserJet 4 printers, HTML format (still alpha), and typewriter-like
devices. Also included is a modified version of the Berkeley -me macros,
an enhanced version of the X11 xditview previewer, and an implementation
of the -mm macros.