* Get ASCII hex value and convert to platform dependent
                 * encoding like EBCDIC perhaps
                 */
                b[0] = (byte) (Integer.parseInt(str.substring(i, i + 2), 16) & 0xFF);
                out[j] = new String(b, 0, 1, "ASCII").charAt(0);
                j++;
                i++;
                state = 0;
            }
        }

        return new String(out, 0, j);

   *
   * @since 7.0
   */
  @GwtIncompatible // doesn't work
  public static char fromBytes(byte b1, byte b2) {
    return (char) ((b1 << 8) | (b2 & 0xFF));
  }

  /**
   * Returns an array containing the same values as {@code array}, but guaranteed to be of a
   * specified minimum length. If {@code array} already has a length of at least {@code minLength},

and the second value, of type <code>rune</code>, will be the value of
the corresponding code point. If the iteration encounters an invalid
UTF-8 sequence, the second value will be <code>0xFFFD</code>,
the Unicode replacement character, and the next iteration will advance
a single byte in the string.
</li>

<li>
The iteration order over maps is not specified

0FD9..0FDA    ; valid                  ;      ; NV8    # 6.0  TIBETAN MARK LEADING MCHAN RTAGS..TIBETAN MARK TRAILING MCHAN RTAGS
0FDB..0FFF    ; disallowed                             # NA   <reserved-0FDB>..<reserved-0FFF>
1000..1021    ; valid                                  # 3.0  MYANMAR LETTER KA..MYANMAR LETTER A
1022          ; valid                                  # 5.1  MYANMAR LETTER SHAN A