anchor.diff:  class Chat
   {
   	static List<String> _COLORS = ["#e85d72","#e06b56","#9d8eee","#a63924","#43761b","#4bbe2e","#d58247","#d55aef","#9b3b45","#4cc091"];
  -    static List<String> _EMOTICONS;
  +    static List<String> _EMOTICONS = [];
   	bool _showJoinMessages = false, _playMentionSound = true;
   	Map<String, TabContent> tabContentMap = new Map();
   	String username = "testUser"; //TODO: get actual username of logged in user;
  
positive.code: 		{
  			Map map = new Map();
  			map["statusMessage"] = "hint";
  			map["message"] = "Hint :\nYou can set your chat name by typing '/setname my_name'<br><br>You can get a list of people in this chat room by typing '/list'";
  			_addmessage(map);
  		}
  		//TODO: end section
  
negative.code: 	{
  		NodeValidator validator = new NodeValidatorBuilder()
    			..allowHtml5()
          	..allowElement('a', attributes: ['href','class','target'])
  			..allowElement('span');
  
  		numMessages++;
  