+ * Revision 1.9 1995-12-11 09:15:22 adam
+ * New set types: sand/sor/snot - ranked versions of and/or/not in
+ * ranked/semi-ranked result sets.
+ * Note: the snot not finished yet.
+ * New rset member: flag.
+ * Bug fix: r_delete in rsrel.c did free bad memory block.
+ *
+ * Revision 1.8 1995/10/12 12:41:55 adam
+ * Private info (buf) moved from struct rset_control to struct rset.
+ * Bug fixes in relevance.
+ *
+ * Revision 1.7 1995/10/10 14:00:03 adam
+ * Function rset_open changed its wflag parameter to general flags.
+ *
+ * Revision 1.6 1995/10/06 14:38:05 adam
+ * New result set method: r_score.
+ * Local no (sysno) and score is transferred to retrieveCtrl.
+ *
+ * Revision 1.5 1995/09/08 14:52:41 adam
+ * Work on relevance feedback.
+ *
+ * Revision 1.4 1995/09/08 08:54:04 adam