+ * Revision 1.11 1999-05-15 14:36:38 adam
+ * Updated dictionary. Implemented "compression" of dictionary.
+ *
+ * Revision 1.10 1999/05/12 13:08:06 adam
+ * First version of ISAMS.
+ *
+ * Revision 1.9 1999/02/12 13:29:23 adam
+ * Implemented position-flag for registers.
+ *
+ * Revision 1.8 1999/02/02 14:50:53 adam
+ * Updated WIN32 code specific sections. Changed header.
+ *
+ * Revision 1.7 1998/03/13 15:30:50 adam
+ * New functions isc_block_used and isc_block_size. Fixed 'leak'
+ * in isc_alloc_block.
+ *
+ * Revision 1.6 1998/03/06 13:54:02 adam
+ * Fixed two nasty bugs in isc_merge.
+ *
+ * Revision 1.5 1997/09/17 12:19:13 adam
+ * Zebra version corresponds to YAZ version 1.4.
+ * Changed Zebra server so that it doesn't depend on global common_resource.
+ *
+ * Revision 1.4 1996/11/08 11:10:21 adam
+ * Buffers used during file match got bigger.
+ * Compressed ISAM support everywhere.
+ * Bug fixes regarding masking characters in queries.
+ * Redesigned Regexp-2 queries.
+ *
+ * Revision 1.3 1996/06/04 10:18:58 adam
+ * Minor changes - removed include of ctype.h.
+ *
+ * Revision 1.2 1996/05/22 08:25:56 adam
+ * Minor change.
+ *
+ * Revision 1.1 1996/05/14 14:04:34 adam