@Override
    public void startElement(String arg0, String arg1, String arg2,
            Attributes arg3) throws SAXException {
        first.startElement(arg0, arg1, arg2, arg3);
        second.startElement(arg0, arg1, arg2, arg3);
    }
@param arg0
@param arg1
@param arg2
@param arg3
@throws SAXException
@see org.xml.sax.ContentHandler#startElement(java.lang.String,
     java.lang.String, java.lang.String, org.xml.sax.Attributes)
src/nu/validator/xml/CombineContentHandler.java