+ * 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
+ * More work on retrieve.
+ *
+ * Revision 1.4 1995/09/07 13:58:36 adam
+ * New parameter: result-set file descriptor (RSFD) to support multiple
+ * positions within the same result-set.
+ * Boolean operators: and, or, not implemented.
+ * Result-set references.
+ *
+ * Revision 1.3 1995/09/06 16:11:19 adam
+ * Option: only one word key per file.
+ *
+ * Revision 1.2 1995/09/06 10:33:04 adam
+ * More work on present. Some log messages removed.
+ *
+ * Revision 1.1 1995/09/05 15:28:40 adam