Berkeley Yacc is an LALR(1) parser generator.  Berkeley Yacc has been madeas compatible as possible with AT&T Yacc.  Berkeley Yacc can accept any inputspecification that conforms to the AT&T Yacc documentation.  Specificationsthat take advantage of undocumented features of AT&T Yacc will probably berejected.    Berkeley Yacc is distributed with no warranty whatever.  The code is certainto contain errors.  Neither the author nor any contributor takes responsibilityfor any consequences of its use.    Berkeley Yacc is in the public domain.  The data structures and algorithmsused in Berkeley Yacc are all either taken from documents available to thegeneral public or are inventions of the author.  Anyone may freely distributesource or binary forms of Berkeley Yacc whether unchanged or modified.Distributers may charge whatever fees they can obtain for Berkeley Yacc.Programs generated by Berkeley Yacc may be distributed freely.    Please report bugs to			robert.corbett@eng.Sun.COMInclude a small example if possible.  Please include the banner string fromskeleton.c with the bug report.  Do not expect rapid responses.