+ * Revision 1.6 1998-02-10 12:03:06 adam
+ * Implemented Sort.
+ *
+ * Revision 1.5 1997/10/27 14:33:06 adam
+ * Moved towards generic character mapping depending on "structure"
+ * field in abstract syntax file. Fixed a few memory leaks. Fixed
+ * bug with negative integers when doing searches with relational
+ * operators.
+ *
+ * Revision 1.4 1996/11/04 14:09:16 adam
+ * Minor changes.
+ *
+ * Revision 1.3 1996/11/01 09:00:33 adam