@Override
    public void startPrefixMapping(String prefix, String uri) throws SAXException {
        super.startPrefixMapping(prefix, mapOldNS(uri));
    }
Content handler decorator that:<ul>
<li>Maps old OpenOffice 1.0 Namespaces to the OpenDocument ones</li>
<li>Returns a fake DTD when parser requests OpenOffice DTD</li>
</ul>
tika-parsers/tika-parsers-standard/tika-parsers-standard-modules/tika-parser-miscoffice-module/src/main/java/org/apache/tika/parser/odf/NSNormalizerContentHandler.java