    def getok(reqline)
      validate_line reqline
      res = critical {
        @socket.writeline reqline
        recv_response()
      }
      check_response res
      res
    end
The software uses CRLF (carriage return line feeds) as a special element, e.g. to separate lines or records, but it does not neutralize or incorrectly neutralizes CRLF sequences from inputs.