instantiation.xml in cpee-1.3.228

- old
+ new

@@ -9,10 +9,13 @@
           <value>wait_ready</value>
           <value>wait_running</value>
         </choice>
       </parameter>
     </optional>
-    <parameter name="xml" mimetype="*/xml"/>
+    <choice>
+      <parameter name="xml" mimetype="*/xml"/>
+      <parameter name="url" type="string"/>
+    </choice>
   </message>
 
   <message name="instance">
     <parameter name="url" type="anyURI"/>
   </message>