+ * 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