old_contents: """Example using `routing.ResourceRouter` and `negotiation` (content negotation).
  
  Start the app with
  ::
      $ pip install gunicorn http
      $ gunicorn -k aiohttp.worker.GunicornWebWorker examples.resources_with_negotiation:app --reload
  
  Try it out:
  ::
  
      $ pip install httpie
      $ http :8000/ message==Hello
      $ http POST :8000/ message=Greetings
  """
  from aiohttp import web
  
  from aiohttp_utils import Response, routing, negotiation, runner
  
  app = web.Application(router=routing.ResourceRouter())
  
  class HelloResource:
  
      async def get(self, request):
          name = request.GET.get('name', 'World')
          return Response({
              'message': 'Hello ' + name
          })
  
  
  app.router.add_resource('/', HelloResource())
  negotiation.setup(app)
  
  if __name__ == "__main__":
      runner.run(
          app,
          app_uri="examples.resources_with_negotiation:app",
          reload=True,
          port=8000
      )
  
new_contents: """Example using `routing.ResourceRouter`, `negotiation` (content negotation), and local
  development server with reloading.
  
  Start the app with
  ::
      $ pip install gunicorn
      $ python examples/resources_with_negotiation.py
  
  Try it out:
  ::
  
      $ pip install httpie
      $ http :8000/
      $ http :8000/ name==Ada
  """
  from aiohttp import web
  
  from aiohttp_utils import Response, routing, negotiation, runner
  
  app = web.Application(router=routing.ResourceRouter())
  
  class HelloResource:
  
      async def get(self, request):
          name = request.GET.get('name', 'World')
          return Response({
              'message': 'Hello ' + name
          })
  
  
  app.router.add_resource('/', HelloResource())
  negotiation.setup(app)
  
  if __name__ == "__main__":
      runner.run(
          app,
          app_uri="examples.resources_with_negotiation:app",
          reload=True,
          port=8000
      )
  
subject: Fix example docs