code: def x_build_timestamp( self, node ):
          '''
          The time-stamp goes to the corresponding attribute in the result.
          '''
          self.timestamps.append(self.get_data(node).strip())
          return Nonf x_build_timestamp( self, node ):
          '''
          The time-stamp goes to the corresponding attribute in the result.
          '''
          self.timestamps.append(self.get_data(node).strip())
          return None
docs: The time-stamp goes to the corresponding attribute in the result.