/rhino/xmlimplsrc/org/mozilla/javascript/xmlimpl/Namespace.java
uri = qname.uri ( ) ;
if (uriValue instanceof Namespace) { Namespace ns = (Namespace) uriValue; prefix = ns.prefix(); uri = ns.uri(); } else if (uriValue instanceof QName) { QName qname = (QName) uriValue; <extra_id_0> if (uri != null) { prefix = qname.prefix(); } else { uri = qname.toString(); prefix = null; }