+ * Revision 1.21 1998-10-13 16:03:37 adam
+ * Better checking for invalid OID's in p_query_rpn.
+ *
+ * Revision 1.20 1998/03/31 15:13:20 adam
+ * Development towards compiled ASN.1.
+ *
+ * Revision 1.19 1998/03/05 08:09:03 adam
+ * Minor change to make C++ happy.
+ *
+ * Revision 1.18 1998/02/11 11:53:36 adam
+ * Changed code so that it compiles as C++.
+ *
+ * Revision 1.17 1997/11/24 11:33:57 adam
+ * Using function odr_nullval() instead of global ODR_NULLVAL when
+ * appropriate.
+ *
+ * Revision 1.16 1997/09/29 13:19:00 adam
+ * Added function, oid_ent_to_oid, to replace the function
+ * oid_getoidbyent, which is not thread safe.
+ *
+ * Revision 1.15 1997/09/29 07:13:43 adam
+ * Changed type of a few variables to avoid warnings.
+ *
+ * Revision 1.14 1997/09/22 12:33:41 adam
+ * Fixed bug introduced by previous commit.
+ *
+ * Revision 1.13 1997/09/17 12:10:42 adam
+ * YAZ version 1.4.
+ *
+ * Revision 1.12 1997/09/01 08:54:13 adam