anchor.diff:  	TextInputElement textInput;
   	DataListElement userList;
   
  -	String _lastAdded;
  +	String _lastSubmit;
   
   	AddFriendWindow() {
   		id = 'addFriendWindow';
  
positive.code: 	}
  
  	Future<bool> _addFriend() async {
  		if (_lastAdded == friendUsername) {
  			// Prevent double-clicking the button
  			return false;
  		}
  
  		String result = await HttpRequest.getString(
  			'http://${Configs.utilServerAddress}/friends/add'
  
negative.code: 			'&rstoken=$rsToken');
  
  		if (result == 'true') {
  			output.text = '$friendUsername is now your friend!';
  			NetChatManager.refreshOnlinePlayers();
  			return true;
  