0x20...0x7E except 0x26 (the ampersand "&") represent themselves, and uses yet
another BASE64 alphabet consisting of the upper- and lowercase letters, the
digits, and the characters "+" and ",", with some further rules specified in
0x20...0x7E except 0x26 (the ampersand "&") represent themselves, and uses yet
another BASE64 alphabet consisting of the upper- and lowercase letters, the
digits, and the characters "+" and ",", with some further rules specified in