/rhino/xmlimplsrc/org/mozilla/javascript/xmlimpl/XMLObjectImpl.java
if ( arg instanceof QName) {
if ( this instanceof XML ) {
String s; int arity; switch (id) { case Id_constructor: { IdFunctionObject ctor; <extra_id_0> ctor = new XMLCtor((XML) this, XMLOBJECT_TAG, id, 1); } else { ctor = new IdFunctionObject(this, XMLOBJECT_TAG, id, 1); } initPrototypeConstructor(ctor); return;