question: private void DTDprolog ( ) throws SAXException , IOException { final java . io . Writer writer = m_writer ; if ( m_needToOutputDocTypeDecl ) { outputDocTypeDecl ( m_elemContext . m_elementName , false ) ; m_needToOutputDocTypeDecl = false ; } if ( m_inDoctype ) { writer . write ( " [" ) ; writer . write ( m_lineSep , 0 , m_lineSepLen ) ; m_inDoctype = false ; } }
target:  A private helper method to output the 