* @param tf TreeFactory -- factory to create some kind of Tree
* @param tn the method of normalizing trees
*/
public FrenchXMLTreeReader(Reader in, TreeFactory tf, TreeNormalizer tn) {
TreebankLanguagePack tlp = new FrenchTreebankLanguagePack();
stream = new ReaderInputStream(in,tlp.getEncoding());
treeFactory = tf;
treeNormalizer = tn;
DocumentBuilder parser = XMLUtils.getXmlParser();
try {