parameters: (mode_string)
return_statement: return _parse_modes(mode_string, "")
docstring: Parse a nick mode string.
  
      The function returns a list of lists with three members: sign,
      mode and argument.  The sign is \"+\" or \"-\".  The argument is
      always None.
  
      Example:
  
      >>> irclib.parse_nick_modes(\"+ab-c\")
      [['+', 'a', None], ['+', 'b', None], ['-', 'c', None]]
docstring_summary: Parse a nick mode string.
docstring_tokens: Parse a nick mode string .
function: def parse_nick_modes(mode_string):
      """Parse a nick mode string.
  
      The function returns a list of lists with three members: sign,
      mode and argument.  The sign is \"+\" or \"-\".  The argument is
      always None.
  
      Example:
  
      >>> irclib.parse_nick_modes(\"+ab-c\")
      [['+', 'a', None], ['+', 'b', None], ['-', 'c', None]]
      """
  
      return _parse_modes(mode_string, "")
function_tokens: def parse_nick_modes ( mode_string ) : return _parse_modes ( mode_string , "" )