anchor.diff:  widget.
   
   We're also using Errai UI to attach an event handler to the text box:
  -the `onKeyDown` method has been set up to receive `KeyDownEvent`s
  +the `onKeyDown` method has been set up to receive every `KeyDownEvent`
   generated by `moodTextBox`. In this case, our event handler method is
   set up to create a new Mood object from the contents of the text box
   each time the user presses Enter. We fire this Mood object as a CDI
  
positive.code: ------
    @Perspective
    public PerspectiveDefinition getPerspective() {
      final PerspectiveDefinition p = new PerspectiveDefinitionImpl(PanelType.ROOT_STATIC);
      p.setTransient(true);
      p.setName(getClass().getName());
  
  
negative.code:   @Perspective
    public PerspectiveDefinition getPerspective() {
      final PerspectiveDefinition p = new
    PerspectiveDefinitionImpl(PanelType.ROOT_LIST);
      p.setName(getClass().getName());
      p.getRoot().addPart(
              new PartDefinitionImpl(
  