path: root/contrib/byacc/package/pkgsrc/DESCR

Berkeley Yacc (byacc) is a LALR(1) parser generator.  Berkeley Yacc
has been made as compatible as possible with AT&T Yacc.  Berkeley
Yacc can accept any input specification that conforms to the AT&T
Yacc documentation.

Some programs depend on a byacc (instead of bison).