grops(1) on Linux
The text 38d7fc2c897f, as Debian 5.0 (Lenny), Debian 4.0 (Etch), Debian 3.1 (Sarge) shipped it.
PostScript driver for groff
Flags it lists
-
-F -
-P -
-b -
-c -
-g -
-l -
-m -
-p -
-v -
-w