Added copyright notice

diff --git a/util/cpp/expression.g b/util/cpp/expression.g
index 109b564..0674f15 100644 (file)
--- a/util/cpp/expression.g
+++ b/util/cpp/expression.g
@@ -1,3 +1,7 @@
+/*
+ * (c) copyright 1987 by the Vrije Universiteit, Amsterdam, The Netherlands.
+ * See the copyright notice in the ACK home directory, in the file "Copyright".
+ */
 /*     EXPRESSION SYNTAX PARSER        */
 
 %lexical       LLlex;