ocamlyacc(1) on Linux
The text 5734963502c7, as Debian 5.0 (Lenny), Debian 4.0 (Etch), Debian 3.1 (Sarge), Debian 3.0 (Woody), Debian 2.2 (Potato) shipped it.
The Objective Caml parser generator
Flags it lists
-
-b -
-v