+ * Revision 1.66 1998-10-28 10:54:41 adam
+ * SDRKit integration.
+ *
+ * Revision 1.65 1998/10/18 07:54:54 adam
+ * Additional info added for diagnostics 114 (Unsupported use attribute) and
+ * 121 (Unsupported attribute set).
+ *
+ * Revision 1.64 1998/09/22 10:48:21 adam
+ * Minor changes in search API.
+ *
+ * Revision 1.63 1998/09/02 13:53:21 adam
+ * Extra parameter decode added to search routines to implement
+ * persistent queries.
+ *
+ * Revision 1.62 1998/08/06 14:35:28 adam
+ * Routine bend_deleterequest removed.
+ *
+ * Revision 1.61 1998/06/24 12:16:15 adam
+ * Support for relations on text operands. Open range support in
+ * DFA module (i.e. [-j], [g-]).
+ *
+ * Revision 1.60 1998/06/22 11:36:49 adam
+ * Added authentication check facility to zebra.
+ *
+ * Revision 1.59 1998/06/12 12:22:13 adam
+ * Work on Zebra API.
+ *
+ * Revision 1.58 1998/05/27 16:57:46 adam
+ * Zebra returns surrogate diagnostic for single records when
+ * appropriate.
+ *
+ * Revision 1.57 1998/04/03 14:45:18 adam
+ * Fixed setting of last_in_set in bend_fetch.
+ *
+ * Revision 1.56 1998/03/05 08:45:13 adam
+ * New result set model and modular ranking system. Moved towards
+ * descent server API. System information stored as "SGML" records.
+ *
+ * Revision 1.55 1998/02/10 12:03:06 adam
+ * Implemented Sort.
+ *
+ * Revision 1.54 1998/01/29 13:39:13 adam
+ * Compress ISAM is default.
+ *
+ * Revision 1.53 1998/01/12 15:04:09 adam
+ * The test option (-s) only uses read-lock (and not write lock).
+ *
+ * Revision 1.52 1997/11/18 10:05:08 adam
+ * Changed character map facility so that admin can specify character
+ * mapping files for each register type, w, p, etc.
+ *
+ * Revision 1.51 1997/10/27 14:33:06 adam
+ * Moved towards generic character mapping depending on "structure"
+ * field in abstract syntax file. Fixed a few memory leaks. Fixed
+ * bug with negative integers when doing searches with relational
+ * operators.
+ *
+ * Revision 1.50 1997/09/29 09:08:36 adam
+ * Revised locking system to be thread safe for the server.
+ *
+ * Revision 1.49 1997/09/25 14:57:23 adam