anchor.diff:    }
   }
   
  -class PrevAnnotationAction extends SparkAction {
  -  PrevAnnotationAction(Spark spark) : super(
  -      spark, "annotation-prev", "Previous Annotation") {
  -    macBinding("ctrl-shift-p");
  -    winBinding("ctrl-shift-p");
  +class PrevMarkerAction extends SparkAction {
  +  PrevMarkerAction(Spark spark) : super(
  +      spark, "marker-prev", "Previous Marker") {
  +    defaultBinding("ctrl-shift-p");
     }
   
     void _invoke([Object context]) {
  
positive.code:   void createActions() {
      _actionManager = new ActionManager();
  
      actionManager.registerAction(new NextAnnotationAction(this));
      actionManager.registerAction(new PrevAnnotationAction(this));
      actionManager.registerAction(new FileOpenInTabAction(this));
      actionManager.registerAction(new FileNewAsAction(this));
      actionManager.registerAction(new FileOpenAction(this));
  
negative.code:   }
  }
  
  class NextMarkerAction extends SparkAction {
    NextMarkerAction(Spark spark) : super(
        spark, "marker-next", "Next Marker") {
      defaultBinding("ctrl-p");
    }
  
    void _invoke([Object context]) {
  