Aaron Bentley has voted comment. Status is now: Waiting Comment: I would advise against using the TreeDelta output for any new work. The ChangeReporter interface has much higher fidelity. For details, see: http://bundlebuggy.aaronbentley.com/request/%3C2422be180711092224n147ed658s49606bf8147a020b%40mail.gmail.com%3E