code: def _format_docstring(self, text):
          
          #The only complication we have here is that we don't want to break words up.
          words = text.split()
          result = []
          line = []
          cumline = 0
          for word in words:
              if len(word) + 1 + cumline < 90:
                  line.append(word)
                  cumline += len(word) + 1
              else:
                  result.append(' '.join(line))
                  cumline = len(word) + 1
                  line = [word]
  
          return result
docs: Formats the specified text for display within 90 characters. Returns a list
          of *un-joined* lines.
  
          :arg text: the text to format.