question: public void registerUnregisteredNamespaces ( ) { for ( int i = 0 ; i < m_unregisteredExtensions . size ( ) ; i ++ ) { String ns = ( String ) m_unregisteredExtensions . get ( i ) ; ExtensionNamespaceSupport extNsSpt = defineJavaNamespace ( ns ) ; if ( extNsSpt != null ) m_extensions . add ( extNsSpt ) ; } }
target:  Attempt to register any unregistered extension namespaces.