diff --git a/LICENSE b/LICENSE
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--- /dev/null
+++ b/LICENSE
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+     Berkeley Yacc is distributed with no warranty whatever.  The author
+and any other contributors take no responsibility for the consequences of
+its use.
+
+    Berkeley Yacc is in the public domain.  The data structures and algorithms
+used in Berkeley Yacc are all either taken from documents available to the
+general public or are inventions of the author.  Anyone may freely distribute
+source 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.