docs: def set_axis_options_for_all(self, row_column_list=None, text=''):
          """Set point size limits of specified subplots.
  
          :param row_column_list: a list containing (row, column) tuples to
              specify the subplots, or None to indicate *all* subplots.
          :type row_column_list: list or None
          :param text: axis options for the given subplots or the overall plot.
  
          """
          if row_column_list is None:
              self.axis_options = text
          else:
              for row, column in row_column_list:
                  self.set_axis_options(row, column, text)