parameters: (self, e)
docstring: Kill the word behind point, using white space as a word
          boundary. The killed text is saved on the kill-ring.
docstring_summary: Kill the word behind point, using white space as a word
          boundary. The killed text is saved on the kill-ring.
docstring_tokens: Kill the word behind point using white space as a word boundary . The killed text is saved on the kill - ring .
function: def unix_word_rubout(self, e): # (C-w)
          '''Kill the word behind point, using white space as a word
          boundary. The killed text is saved on the kill-ring.'''
          self.l_buffer.unix_word_rubout()
function_tokens: def unix_word_rubout ( self , e ) : # (C-w) self . l_buffer . unix_word_rubout ( )