parameters: (self, callback)
docstring: Provide a callback function called after each receipt of a telnet option.
docstring_summary: Provide a callback function called after each receipt of a telnet option.
docstring_tokens: Provide a callback function called after each receipt of a telnet option .
function: def set_option_negotiation_callback(self, callback):
          """Provide a callback function called after each receipt of a telnet option."""
          self.option_callback = callback
function_tokens: def set_option_negotiation_callback ( self , callback ) : self . option_callback = callback