3dldf(1) on Linux
The text 703186c98820, as Debian 8 (Jessie) shipped it.
a system based on MetaPost for creating three-dimensional graphics
Flags it lists
-
--bison-trace -
--help -
--multithread-include -
--multithread-input -
--multithread-output -
--quiet -
--silent -
--verbose -
--version