[IL71.1] Add some javadoc.

        return toCodePointArray(string, 0, string.length());

    }

    /**

     * Converts a range of a string to an array of code points.

     * @param string the source string.

     * @param startIndex the start index inside the string in java chars, inclusive.

     * @param endIndex the end index inside the string in java chars, exclusive.

     * @return a new array of code points. At most endIndex - startIndex, but possibly less.

     */

    public static int[] toCodePointArray(final String string,

            final int startIndex, final int endIndex) {

        final int length = string.length();