anchor.diff:          ..add(_breakpointsCountDiv)
           ..click(() => breakpointsView.element.toggleAttribute('hidden')),
         breakpointsView.element,
  -      PNavMenuItem('Scripts')
  +      PNavMenuItem('Libraries')
           ..add([
             textfield
               ..click(() {
  
positive.code:   int _selectRow = -1;
  
    StreamSubscription _subscription;
    bool get active => _subscription != null;
  
    void start() {
  
negative.code:   Map<String, List<ScriptRef>> matchingState = {};
  
    String _lastMatchingChars;
  
    String get lastMatchingChars => _lastMatchingChars;
  
    // Current Row via matching and navigation (up/down ARROW, up/down PAGE, HOME
  