anchor.diff:  	Variances = case CTP of
   		[] -> [];
   		[_] -> [];
  -		[_|_] -> [<<"Accept">>]
  +		[_|_] -> [<<"accept">>]
   	end,
   	Variances2 = case LP of
   		[] -> Variances;
   		[_] -> Variances;
  -		[_|_] -> [<<"Accept-Language">>|Variances]
  +		[_|_] -> [<<"accept-language">>|Variances]
   	end,
   	Variances3 = case CP of
   		[] -> Variances2;
   		[_] -> Variances2;
  -		[_|_] -> [<<"Accept-Charset">>|Variances2]
  +		[_|_] -> [<<"accept-charset">>|Variances2]
   	end,
   	{Variances4, Req3, State2} = case call(Req, State, variances) of
   		no_call ->
  
positive.code: 		LastModified ->
  			LastModifiedStr = httpd_util:rfc1123_date(LastModified),
  			Req4 = cowboy_req:set_resp_header(
  				<<"Last-Modified">>, LastModifiedStr, Req3)
  	end,
  	{Req5, State4} = set_resp_expires(Req4, State3),
  	case call(Req5, State4, Fun) of
  
negative.code: %% This is easily testable because we would have set the Location
  %% header by this point if we did so.
  is_new_resource(Req, State) ->
  	case cowboy_req:has_resp_header(<<"location">>, Req) of
  		true -> respond(Req, State, 201);
  		false -> has_resp_body(Req, State)
  	end.
  