xref: /original-bsd/usr.bin/yacc/README (revision 3588a932)
1    Berkeley Yacc is an LALR(1) parser generator.  Berkeley Yacc has been
2made as compatible as possible with AT&T Yacc.  Berkeley Yacc can accept
3any input specification that conforms to the AT&T Yacc documentation.
4Specifications that take advantage of undocumented features of AT&T Yacc
5probably will be rejected.
6
7    Berkeley Yacc is distributed with no warranty whatever.  Any program
8of this size is almost certain to contain errors.  Neither the author nor
9any contributor takes responsibility for any consequences of its use.
10
11    Berkeley Yacc is in the public domain.  The data structures and
12algorithms used in Berkeley Yacc were either taken from documents
13available to the general public or were inventions of the author.
14Anyone may freely distribute source or binary forms of Berkeley Yacc
15whether unchanged or modified.  Distributors may charge whatever fees
16they can obtain for Berkeley Yacc.  Programs generated by Berkeley Yacc
17may be distributed freely.
18
19    Please report bugs to
20
21			  corbett@berkeley.edu
22
23Include a small example if possible.  Please include the banner string from
24skeleton.c with the bug report.  Do not expect rapid responses.
25