/rhino/xmlimplsrc/org/mozilla/javascript/xmlimpl/XMLLibImpl.java
if ( namespaceValue == null) {   ns = null; }else   if ( namespaceValue instanceof Namespace) {     ns = ( ( Namespace) ( namespaceValue) ).getDelegate( ) ;   }else {     ns = constructNamespace( namespaceValue).getDelegate( ) ;   }
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cx = Context.getCurrentContext(); if (cx == null) { return namespacePrototype; } } Object ns = ScriptRuntime.searchDefaultNamespace(cx); <extra_id_0> return namespacePrototype; } else { if (ns instanceof Namespace) { return (Namespace) ns; } else { return namespacePrototype;