anchor.diff:      for (var val in status.values) {
         if (active == 200) {
           active = val;
  -      } else if (val == 0){
  +      } else if (val == 0) {
           active = 500;
  -      } else if (val > active){
  +      } else if (val > active) {
           active = val;
         }
       }
  
positive.code: 
  String color(State s) {
    switch (s) {
      case State.GREEN: return "green";
      case State.YELLOW: return "yellow";
      case State.RED: return "red";
      default: return "gray";
    }
  }
  
  class Application {
    set state(State state) => _favicon.href = "$host/favicon.png?color=${color(state)}";
    final LinkElement _favicon = () {
      List<Node> links = document.getElementsByTagName("link");
      for (var link in links) if (link.attributes["rel"] == "icon") return link;
    }();
  
    Application() {
  
negative.code:     input = new TextAreaElement();
      dialog = new DivElement()
        ..classes.addAll(['cover', 'hide'])
        ..append(new DivElement()
          ..classes.add('cover-content')
          ..append(close)
          ..append(save)
          ..append(input));
      document.body.append(dialog);
      document.body.append(open);
  
  