anchor.diff:  			forbidden(Req2, State#state{handler_state=HandlerState});
   		{{false, AuthHead}, Req2, HandlerState} ->
   			Req3 = cowboy_req:set_resp_header(
  -				<<"Www-Authenticate">>, AuthHead, Req2),
  +				<<"www-authenticate">>, AuthHead, Req2),
   			respond(Req3, State#state{handler_state=HandlerState}, 401)
   	end.
   
  
positive.code: 	Variances = case CTP of
  		[] -> [];
  		[_] -> [];
  		[_|_] -> [<<"Accept">>]
  	end,
  	Variances2 = case LP of
  		[] -> Variances;
  		[_] -> Variances;
  		[_|_] -> [<<"Accept-Language">>|Variances]
  	end,
  	Variances3 = case CP of
  		[] -> Variances2;
  		[_] -> Variances2;
  		[_|_] -> [<<"Accept-Charset">>|Variances2]
  	end,
  	{Variances4, Req3, State2} = case call(Req, State, variances) of
  		no_call ->
  
negative.code: 		Expires ->
  			ExpiresStr = httpd_util:rfc1123_date(Expires),
  			Req3 = cowboy_req:set_resp_header(
  				<<"expires">>, ExpiresStr, Req2),
  			{Req3, State2}
  	end.
  
  