+ * Revision 1.16 1997-10-31 12:37:01 adam
+ * Code calls xfree() instead of free().
+ *
+ * Revision 1.15 1996/10/29 13:55:22 adam
+ * Include of zebrautl.h instead of alexutil.h.
+ *
+ * Revision 1.14 1995/12/11 09:15:24 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 1.13 1995/10/12 12:41:56 adam
+ * Private info (buf) moved from struct rset_control to struct rset.
+ * Bug fixes in relevance.
+ *
+ * Revision 1.12 1995/10/10 14:00:04 adam
+ * Function rset_open changed its wflag parameter to general flags.
+ *
+ * Revision 1.11 1995/10/06 14:38:05 adam
+ * New result set method: r_score.
+ * Local no (sysno) and score is transferred to retrieveCtrl.
+ *
+ * Revision 1.10 1995/09/08 14:52:42 adam