parameters: (self, e)
docstring: Move to the start of the current line.
docstring_summary: Move to the start of the current line.
docstring_tokens: Move to the start of the current line .
function: def beginning_of_line(self, e):  # (C-a)
          '''Move to the start of the current line. '''
          self.l_buffer.beginning_of_line()
function_tokens: def beginning_of_line ( self , e ) : # (C-a) self . l_buffer . beginning_of_line ( )