question: public void startElement ( String uri , String localName , String qName , Attributes atts ) throws SAXException { elementLevel ++ ; nsSupport . pushContext ( ) ; if ( forceDTD && ! hasOutputDTD ) startDTD ( localName == null ? qName : localName , "" , "" ) ; write ( '<' ) ; writeName ( uri , localName , qName , true ) ; writeAttributes ( atts ) ; if ( elementLevel == 1 ) { forceNSDecls ( ) ; } writeNSDecls ( ) ; write ( '>' ) ; if ( htmlMode && ( qName . equals ( "script" ) || qName . equals ( "style" ) ) ) { cdataElement = true ; } super . startElement ( uri , localName , qName , atts ) ; }
target:  Write a start tag. <p/> Pass the event on down the filter chain for further processing.