+ * 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