byacc: byacc (Berkeley Yacc parser generator)
byacc:
byacc: Berkeley Yacc is an LALR(1) parser generator.  Berkeley Yacc
byacc: has been made as compatible as possible with AT&T Yacc.  Berkeley
byacc: Yacc can accept any input specification that conforms to the AT&T
byacc: Yacc documentation.  Specifications that take advantage of
byacc: undocumented features of AT&T Yacc will probably be rejected.
byacc: 
byacc: 
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