Reinstate deleted comment block

lib/OpenLayers/Format/XML/VersionedOGC.js

@@ -45,6 +45,14 @@ OpenLayers.Format.XML.VersionedOGC = OpenLayers.Class(OpenLayers.Format.XML, {
      */
     allowFallback: false,
 
+    /**
+     * APIProperty: errorProperty
+     * {String} Which property of the returned object to check for in order to
+     * determine whether or not parsing has failed. In the case that the
+     * errorProperty is undefined on the returned object, the document will be
+     * run through an OGCExceptionReport parser.
+     */
+    errorProperty: null,
 
     /**
      * Property: name