public static String asRomanNumeralsLower(int i) {
        return asRomanNumerals(i).toLowerCase(Locale.ROOT);
    }
@Test
    public void testRomanLower() {
        assertEquals("i", AutoPageNumberUtils.asRomanNumeralsLower(1));
        assertEquals("xxvi", AutoPageNumberUtils.asRomanNumeralsLower(26));
        assertEquals("xxvii", AutoPageNumberUtils.asRomanNumeralsLower(27));
    }