+ * Revision 1.9 1996-08-16 15:07:44 adam
+ * First work on Explain.
+ *
+ * Revision 1.8 1996/07/03 13:31:10 adam
+ * The xmalloc/xfree functions from YAZ are used to manage memory.
+ *
+ * Revision 1.7 1996/06/05 09:26:20 adam
+ * Bug fix: the change above introduced an error.
+ *
+ * Revision 1.6 1996/06/05 08:59:23 adam