The Changed Definitions view allows you to see which definitions have been edited in the current session.
Edit some of the definitions in the Othello game example in
examples/capi/applications/othello.lisp
and then click on the Changed Definitions tab. The Editor appears as shown in The Changed Definitions view in the Editor below.
Figure 12.6 The Changed Definitions view in the Editor
Notice that the Changed Definitions view is similar to the Definitions view. The Editor's Works > Definitions menu, and the filter box, can be used on definitions listed here in the same way as in the Definitions view.