UPDATE Rails 3.1: respond_with i pusty json/xml/yaml przy update

Update postu Rails3: respond_with i pusty json/xml/yaml przy update dla Rails 3.1. Plik application_responder.rb powinien w niej wyglądać tak:

	# /lib/application_responder.rb
	class ApplicationResponder < ActionController::Responder
	def api_behavior(error)
	raise error unless resourceful?
	if get?
	display resource
	elsif post?
	display resource, status: :created, location: api_location
	elsif put?
	display resource, status: :ok, location: api_location
	elsif has_empty_resource_definition?
	display empty_resource, status: :ok
	else
	head :ok
	end
	end
	end

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