+ * Revision 1.20 1996-06-04 10:19:02 adam
+ * Minor changes - removed include of ctype.h.
+ *
+ * Revision 1.19 1996/05/14 11:34:01 adam
+ * Scan support in multiple registers/databases.
+ *
+ * Revision 1.18 1996/05/14 06:16:50 adam
+ * Compact use/set bytes used in search service.
+ *
+ * Revision 1.17 1995/12/08 16:22:57 adam
+ * Work on update while servers are running. Three lock files introduced.
+ * The servers reload their registers when necessary, but they don't
+ * reestablish result sets yet.
+ *
+ * Revision 1.16 1995/12/07 17:38:48 adam
+ * Work locking mechanisms for concurrent updates/commit.
+ *
+ * Revision 1.15 1995/11/21 15:29:13 adam
+ * Config file 'base' read by default by both indexer and server.
+ *
+ * Revision 1.14 1995/11/16 17:00:57 adam
+ * Better logging of rpn query.
+ *
+ * Revision 1.13 1995/11/16 15:34:56 adam
+ * Uses new record management system in both indexer and server.
+ *
+ * Revision 1.12 1995/10/27 14:00:12 adam
+ * Implemented detection of database availability.
+ *
+ * Revision 1.11 1995/10/17 18:02:12 adam
+ * New feature: databases. Implemented as prefix to words in dictionary.
+ *
+ * Revision 1.10 1995/10/09 16:18:38 adam
+ * Function dict_lookup_grep got extra client data parameter.
+ *
+ * Revision 1.9 1995/10/06 14:38:01 adam
+ * New result set method: r_score.
+ * Local no (sysno) and score is transferred to retrieveCtrl.
+ *
+ * Revision 1.8 1995/10/06 13:52:06 adam
+ * Bug fixes. Handler may abort further scanning.
+ *
+ * Revision 1.7 1995/10/06 10:43:57 adam
+ * Scan added. 'occurrences' in scan entries not set yet.
+ *
+ * Revision 1.6 1995/09/28 09:19:48 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 1995/09/14 11:53:28 adam