return null;
}//normalizeNode
private XMLGrammarPool createGrammarPool(DocumentTypeImpl docType) {
XMLGrammarPoolImpl pool = new XMLGrammarPoolImpl();
XMLGrammarPreparser preParser = new XMLGrammarPreparser(fSymbolTable);
preParser.registerPreparser(XMLGrammarDescription.XML_DTD, null);
preParser.setFeature(Constants.XERCES_FEATURE_PREFIX + Constants.NAMESPACES_FEATURE, true);
preParser.setFeature(Constants.XERCES_FEATURE_PREFIX + Constants.VALIDATION_FEATURE, true);