+ * Revision 1.26 1998-05-20 10:12:12 adam
+ * Implemented automatic EXPLAIN database maintenance.
+ * Modified Zebra to work with ASN.1 compiled version of YAZ.
+ *
+ * Revision 1.25 1998/03/11 11:19:04 adam
+ * Changed the way sequence numbers are generated.
+ *
+ * Revision 1.24 1998/03/05 08:38:46 adam
+ * New member recordSize in recRetrieveCtrl.
+ *
+ * Revision 1.23 1998/02/10 12:03:05 adam
+ * Implemented Sort.
+ *
+ * Revision 1.22 1997/10/27 14:33:04 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 1.21 1997/09/18 08:59:19 adam
+ * Extra generic handle for the character mapping routines.
+ *
+ * Revision 1.20 1997/09/17 12:19:10 adam
+ * Zebra version corresponds to YAZ version 1.4.
+ * Changed Zebra server so that it doesn't depend on global common_resource.
+ *
+ * Revision 1.19 1997/09/05 15:30:02 adam
+ * Changed prototype for chr_map_input - added const.
+ * Added support for C++, headers uses extern "C" for public definitions.
+ *
+ * Revision 1.18 1997/09/04 13:56:15 adam
+ * Added new filter grs.marc.<syntax> where <syntax> refers to
+ * abstract syntax. New method tellf in extract/retrieve control
+ * block.
+ *
+ * Revision 1.17 1997/04/30 08:56:04 quinn
+ * null
+ *
+ * Revision 1.16 1996/10/11 10:56:25 adam