public void doctype(String name, String publicIdentifier,
            String systemIdentifier, boolean forceQuirks) throws SAXException {
        if (phase == PHASE_START && lexicalHandler != null) {
            lexicalHandler.startDTD(name, publicIdentifier, systemIdentifier);
            lexicalHandler.endDTD();
        }
    }
@see org.xml.sax.ContentHandler#characters(char[], int, int)
resources/examples/research-src/nu/validator/perftest/TokensToSax.java