+ * Revision 1.3 2001/06/03 11:03:48 oes
+ * introduced functions for new list type "map": map(), lookup(),
+ * free_map(), and extended enlist_unique
+ *
+ * Revision 1.2 2001/06/01 18:49:17 jongfoster
+ * Replaced "list_share" with "list" - the tiny memory gain was not
+ * worth the extra complexity.
+ *