old_contents: # -*- coding: utf-8 -*-
  # Copyright (c) 2013-17 Richard Hull and contributors
  # See LICENSE.rst for details.
  
  """
  LCD display driver for PCD8544 devices.
  """
  
new_contents: # -*- coding: utf-8 -*-
  # Copyright (c) 2013-17 Richard Hull and contributors
  # See LICENSE.rst for details.
  
  """
  LCD display drivers.
  """
  
subject: update docstring. (#33)