old_contents: # -*- coding: UTF-8 -*-
  # Copyright 2014-2016 Rumma & Ko Ltd
  # This file is part of Lino Presto.
  #
  # Lino Presto is free software: you can redistribute it and/or modify
  # it under the terms of the GNU Affero General Public License as
  # published by the Free Software Foundation, either version 3 of the
  # License, or (at your option) any later version.
  #
  # Lino Presto is distributed in the hope that it will be useful, but
  # WITHOUT ANY WARRANTY; without even the implied warranty of
  # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  # Affero General Public License for more details.
  #
  # You should have received a copy of the GNU Affero General Public
  # License along with Lino Presto.  If not, see
  # <http://www.gnu.org/licenses/>.
  
  """
  An extension of :mod:`lino_xl.lib.contacts`
  """
  
  from lino_xl.lib.products import Plugin
  
  
  class Plugin(Plugin):
      pass
new_contents: # -*- coding: UTF-8 -*-
  # Copyright 2014-2018 Rumma & Ko Ltd
  # This file is part of Lino Presto.
  #
  # Lino Presto is free software: you can redistribute it and/or modify
  # it under the terms of the GNU Affero General Public License as
  # published by the Free Software Foundation, either version 3 of the
  # License, or (at your option) any later version.
  #
  # Lino Presto is distributed in the hope that it will be useful, but
  # WITHOUT ANY WARRANTY; without even the implied warranty of
  # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  # Affero General Public License for more details.
  #
  # You should have received a copy of the GNU Affero General Public
  # License along with Lino Presto.  If not, see
  # <http://www.gnu.org/licenses/>.
  
  """
  An extension of :mod:`lino_xl.lib.products`
  """
  
  from lino_xl.lib.products import Plugin
  
  
  class Plugin(Plugin):
      pass
subject: Fix a typo.