code: def _parse_and_return_unquoted_string(self):
          
          begin = self.pos
          for end in my_xrange(self.pos, self.end):
              if self.text[end] in self.spaces_and_special_chars:
                  break
          else:
              end = self.end
          if begin == end:
              self.error('Expected a scalar here.')
          return self.text[begin:end], False, end
docs: Parses a string that has no quotation marks so it doesn't
          contain any special characters and we don't have to interpret
          any escape sequences.
          :return: (string, quoted=False, end_of_string_pos)