[narwally]

> The really freaky thing is that you already have groff on your Mac -- it's installed by default.

No way, you're right. And of course it has a very detailed and well formatted man page. The one for troff even has tables.

[JdeBP]

Little-known fact: groff (more particularly grotty) does colour, albeit that people have secretly turned this off for you. grotty's own man page is in fact in colour.

* http://jdebp.uk./Softwares/nosh/italics-in-manuals.html