+ * Revision 1.28 2000-03-15 15:00:30 adam
+ * First work on threaded version.
+ *
+ * Revision 1.27 2000/02/24 12:31:17 adam
+ * Added zebra_string_norm.
+ *
+ * Revision 1.26 1999/11/30 13:48:03 adam
+ * Improved installation. Updated for inclusion of YAZ header files.
+ *
+ * Revision 1.25 1999/11/04 15:00:45 adam
+ * Implemented delete result set(s).
+ *
+ * Revision 1.24 1999/10/14 14:33:50 adam
+ * Added truncation 5=106.
+ *
+ * Revision 1.23 1999/09/07 11:36:32 adam
+ * Minor changes.
+ *
+ * Revision 1.22 1999/08/02 10:13:47 adam
+ * Fixed bug regarding zebra_hits.
+ *
+ * Revision 1.21 1999/07/14 10:59:26 adam
+ * Changed functions isc_getmethod, isams_getmethod.
+ * Improved fatal error handling (such as missing EXPLAIN schema).
+ *
+ * Revision 1.20 1999/07/06 12:28:04 adam