//
        // Canonicalize the data
        //
        NodeList dataNodes = doc.getElementsByTagName("data");
        Canonicalizer11 c14ner = new Canonicalizer11_OmitComments();
        byte[] result = c14ner.engineCanonicalizeSubTree(dataNodes.item(0));
        
        //
        // Test against expected result
        //
        ByteArrayOutputStream out = new ByteArrayOutputStream();