public static String keywordOf(int tag, String privateCreator) {
        return getElementDictionary(privateCreator).keywordOf(tag);
    }
@Test
    public void testKeywordOf() {
        for (int i = 0; i < TAGS.length; i++)
            assertEquals(KEYWORDS[i],
                         ElementDictionary.keywordOf(TAGS[i], null));
    }