old_contents: # coding: utf-8
  
  """
  Exposes a class that represents a parsed (or compiled) template.
  
  """
  
  
  class ParsedTemplate(object):
  
      def __init__(self):
          self._parse_tree = []
  
      def __repr__(self):
          return repr(self._parse_tree)
  
      def add(self, node):
          """
          Arguments:
  
            node: a unicode string or node object instance.  A node object
              instance must have a `render(engine, stack)` method that
              accepts a RenderEngine instance and a ContextStack instance and
              returns a unicode string.
  
          """
          self._parse_tree.append(node)
  
      def render(self, engine, context):
          """
          Returns: a string of type unicode.
  
          """
          # We avoid use of the ternary operator for Python 2.4 support.
          def get_unicode(val):
              if type(val) is unicode:
                  return val
              return val.render(engine, context)
          parts = map(get_unicode, self._parse_tree)
          s = ''.join(parts)
  
          return unicode(s)
  
new_contents: # coding: utf-8
  
  """
  Exposes a class that represents a parsed (or compiled) template.
  
  """
  
  
  class ParsedTemplate(object):
  
      """
      Represents a parsed or compiled template.
  
      An instance wraps a list of unicode strings and node objects.  A node
      object must have a `render(engine, stack)` method that accepts a
      RenderEngine instance and a ContextStack instance and returns a unicode
      string.
  
      """
  
      def __init__(self):
          self._parse_tree = []
  
      def __repr__(self):
          return repr(self._parse_tree)
  
      def add(self, node):
          """
          Arguments:
  
            node: a unicode string or node object instance.  See the class
              docstring for information.
  
          """
          self._parse_tree.append(node)
  
      def render(self, engine, context):
          """
          Returns: a string of type unicode.
  
          """
          # We avoid use of the ternary operator for Python 2.4 support.
          def get_unicode(val):
              if type(val) is unicode:
                  return val
              return val.render(engine, context)
          parts = map(get_unicode, self._parse_tree)
          s = ''.join(parts)
  
          return unicode(s)
  
subject: Adjust ParsedTemplate docstrings.