+ * Revision 1.51 1997-10-27 14:33:05 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 1.50 1997/09/25 14:55:52 adam
+ * Minor changes.
+ *
+ * Revision 1.49 1997/09/17 12:19:15 adam