docs: def handle_cables(cables, handler):
      """\
      Issues one ``handler.start()`` event, processes all `cables` and
      issues a ``handler.end()`` event.
  
      `cables`
          An iterable of Cable objects.
      `handler`
          The `ICableHandler` instance which should receive the events.
      """
      handler.start()
      for cable in cables:
          handle_cable(cable, handler, False)
      handler.end()