+ * Revision 1.22 1999-02-02 14:51:15 adam
+ * Updated WIN32 code specific sections. Changed header.
+ *
+ * Revision 1.21 1998/11/16 16:03:46 adam
+ * Moved loggin utilities to Yaz. Was implemented in file zlogs.c.
+ *
+ * Revision 1.20 1998/11/16 10:10:53 adam
+ * Fixed problem with zebraPosSetCreate that occurred when positions were
+ * less than 1.
+ *
+ * Revision 1.19 1998/09/22 10:48:22 adam
+ * Minor changes in search API.
+ *
+ * Revision 1.18 1998/09/22 10:03:45 adam
+ * Changed result sets to be persistent in the sense that they can
+ * be re-searched if needed.
+ * Fixed memory leak in rsm_or.
+ *
+ * Revision 1.17 1998/06/23 15:33:36 adam
+ * Added feature to specify sort criteria in query (type 7 specifies
+ * sort flags).
+ *
+ * Revision 1.16 1998/05/20 10:12:24 adam
+ * Implemented automatic EXPLAIN database maintenance.
+ * Modified Zebra to work with ASN.1 compiled version of YAZ.
+ *
+ * Revision 1.15 1998/03/05 08:45:14 adam
+ * New result set model and modular ranking system. Moved towards
+ * descent server API. System information stored as "SGML" records.
+ *
+ * Revision 1.14 1998/02/10 16:39:15 adam
+ * Minor change.
+ *
+ * Revision 1.13 1998/02/10 12:03:06 adam
+ * Implemented Sort.
+ *
+ * Revision 1.12 1997/09/25 14:57:36 adam
+ * Windows NT port.
+ *
+ * Revision 1.11 1996/12/23 15:30:46 adam
+ * Work on truncation.
+ * Bug fix: result sets weren't deleted after server shut down.
+ *
+ * Revision 1.10 1995/10/30 15:08:08 adam
+ * Bug fixes.
+ *
+ * Revision 1.9 1995/10/17 18:02:14 adam
+ * New feature: databases. Implemented as prefix to words in dictionary.
+ *
+ * Revision 1.8 1995/10/10 13:59:25 adam
+ * Function rset_open changed its wflag parameter to general flags.
+ *
+ * Revision 1.7 1995/10/06 14:38:01 adam
+ * New result set method: r_score.
+ * Local no (sysno) and score is transferred to retrieveCtrl.
+ *
+ * Revision 1.6 1995/09/28 09:19:49 adam
+ * xfree/xmalloc used everywhere.
+ * Extract/retrieve method seems to work for text records.
+ *
+ * Revision 1.5 1995/09/27 16:17:32 adam