old_contents: #!/usr/bin/env python
  
  try:
      from collections import OrderedDict
  except ImportError:
      from misc.dict import OrderedDict
  
  from origin import OriginData
  from subject import Subject
  
  class World(OriginData, Subject):
      tag_name = "world"
      def __init__(self):
          super(OriginData, self).__init__()
          super(Subject, self).__init__()
          self.informations = None
          self.images = {}
          self.items = OrderedDict()
          self.vars = {}
          self.events = OrderedDict()
          self.rooms = OrderedDict()
          self.selected_room = None
  
  g_world = World()
  
  
new_contents: #!/usr/bin/env python
  
  from origin import OriginData
  
  class World(OriginData):
  
      tag_name = 'world'
  
      def __init__(self, version, name, width, height, start):
  
          self.version = version
          self.name = name
          self.width = width
          self.height = height
          self.start = start
  
subject: rename in package structdata information.py in world.py