ith single
         spaces separating them
      2. SHOULD generate hexadecimal numbers using only lower case
         for letters

4. The "init-hex" and "init-word" Responses

   The OTP specification requires that implementations provide a means
   for a client to re-initialize or change its OTP information with a
   server but does not require any specific protocol for doing it.
   Implementations that support the OTP extended responses described in
   this document MUST support the response with the "in