+ * Revision 1.16 1995-11-28 14:47:02 adam
+ * New setting: tempSetPath. Location of temporary result sets.
+ *
+ * Revision 1.15 1995/10/12 12:41:58 adam
+ * Private info (buf) moved from struct rset_control to struct rset.
+ * Bug fixes in relevance.
+ *
+ * Revision 1.14 1995/10/10 14:00:04 adam
+ * Function rset_open changed its wflag parameter to general flags.
+ *
+ * Revision 1.13 1995/10/06 14:38:06 adam
+ * New result set method: r_score.
+ * Local no (sysno) and score is transferred to retrieveCtrl.
+ *
+ * Revision 1.12 1995/09/28 09:52:11 adam
+ * xfree/xmalloc used everywhere.
+ *
+ * Revision 1.11 1995/09/18 14:17:56 adam
+ * Bug fixes.
+ *
+ * Revision 1.10 1995/09/15 14:45:39 adam
+ * Bug fixes.
+ *
+ * Revision 1.9 1995/09/15 09:20:42 adam
+ * Bug fixes.
+ *
+ * Revision 1.8 1995/09/08 14:52:42 adam
+ * Work on relevance feedback.
+ *
+ * Revision 1.7 1995/09/07 13:58:44 adam
+ * New parameter: result-set file descriptor (RSFD) to support multiple
+ * positions within the same result-set.
+ * Boolean operators: and, or, not implemented.
+ *
+ * Revision 1.6 1995/09/06 16:11:56 adam
+ * More work on boolean sets.
+ *
+ * Revision 1.5 1995/09/05 16:36:59 adam
+ * Minor changes.
+ *
+ * Revision 1.4 1995/09/05 11:43:24 adam