fNamespaceScanner = new XMLNSDocumentScannerImpl();
fProperties.put(DOCUMENT_SCANNER, fNamespaceScanner);
addComponent((XMLComponent) fNamespaceScanner);
fDTDScanner = new XMLDTDScannerImpl();
fProperties.put(DTD_SCANNER, fDTDScanner);
addComponent((XMLComponent) fDTDScanner);
fDatatypeValidatorFactory = DTDDVFactory.getInstance();
fProperties.put(DATATYPE_VALIDATOR_FACTORY, fDatatypeValidatorFactory);