byacc(1) on FreeBSD
The text 82add65406aa, as FreeBSD 2.2.8-RELEASE, FreeBSD 2.2.7-RELEASE, FreeBSD 2.2.6-RELEASE shipped it.
an LALR(1) parser generator
Flags it lists
-
-b -
-d -
-l -
-o -
-p -
-r -
-t -
-v