+ * Revision 1.19 2002-04-15 09:06:30 adam
+ * Fix explain tags for XML writer
+ *
+ * Revision 1.18 2002/04/12 14:40:07 adam
+ * GRS-1 writer accepts non-abs
+ *
+ * Revision 1.17 1999/11/30 13:47:12 adam
+ * Improved installation. Moved header files to include/yaz.
+ *
+ * Revision 1.16 1999/08/27 09:40:32 adam
+ * Renamed logf function to yaz_log. Removed VC++ project files.
+ *
+ * Revision 1.15 1999/03/31 11:18:25 adam
+ * Implemented odr_strdup. Added Reference ID to backend server API.
+ *
+ * Revision 1.14 1998/03/16 12:21:15 adam
+ * Fixed problem with tag names that weren't set to the right value
+ * when wildcards were used.
+ *
+ * Revision 1.13 1998/02/11 11:53:35 adam
+ * Changed code so that it compiles as C++.
+ *
+ * Revision 1.12 1997/11/24 11:33:56 adam
+ * Using function odr_nullval() instead of global ODR_NULLVAL when
+ * appropriate.
+ *
+ * Revision 1.11 1997/11/18 09:51:09 adam
+ * Removed element num_children from data1_node. Minor changes in
+ * data1 to Explain.
+ *
+ * Revision 1.10 1997/09/17 12:10:36 adam
+ * YAZ version 1.4.
+ *
+ * Revision 1.9 1997/05/14 06:54:03 adam
+ * C++ support.
+ *
+ * Revision 1.8 1996/12/05 13:17:49 quinn
+ * Fixed GRS-1 null-ref
+ *
+ * Revision 1.7 1996/10/11 11:57:23 quinn
+ * Smallish
+ *
+ * Revision 1.6 1996/07/06 19:58:34 quinn
+ * System headerfiles gathered in yconfig
+ *
+ * Revision 1.5 1996/06/03 09:46:42 quinn
+ * Added OID data type.
+ *
+ * Revision 1.4 1996/05/01 12:45:30 quinn
+ * Support use of local tag names in abs file.
+ *
+ * Revision 1.3 1995/11/13 09:27:35 quinn