question: protected boolean inExtensionNamespace ( ) { boolean inExtension = false ; Enumeration elements = namespaceStack . elements ( ) ; while ( ! inExtension && elements . hasMoreElements ( ) ) { String ns = ( String ) elements . nextElement ( ) ; if ( ns == null ) { inExtension = true ; } else { inExtension = ( ! ns . equals ( tr9401NamespaceName ) && ! ns . equals ( namespaceName ) ) ; } } return inExtension ; }
target:  Are we in an extension namespace?