anchor.diff:    }
   
     selectNote(Note note) {
  -    if (ignoreSelection) {
  -      ignoreSelection = false;
  +    if (_ignoreSelection) {
  +      _ignoreSelection = false;
         return;
       }
       this.selectedNote = note;
  
positive.code: class AppComponent {
    Store noteStore;
    Note selectedNote = null;
    NoteFactory noteFactory;
  
    String newTitle;
    String newContent;
  
    bool showAll = false;
  
    bool ignoreSelection = false;
  
    AppComponent(this.noteStore, this.noteFactory);
  
    enterNote() {
      _addNote(newTitle, newContent);
  
negative.code:   clearSelection([bool preventSelection = false]) {
      selectedNote = null;
      if (preventSelection) {
        _ignoreSelection = true;
      }
    }
  
    _addNote(String title, String content) {
      noteStore.add(_noteFactory.create(title, content));
    }
  
    deleteMe(Note note) {
  