    @Test
    public void testParseFraction() throws ParseException, IOException {

        InputStream is = AppTest.class.getResourceAsStream("/ole/fraction.bin");
        MTEF mtef = App.parse(is);
        assertEquals("Windows", mtef.getGeneratingPlatform());
        XmlGeneratorVisitor visitor = new XmlGeneratorVisitor();
        mtef.accept(visitor);
        Element root = visitor.getRoot();
        log.debug(root.toXML());
    }