The Slot work looks great! For now, I have these questions: 1) Will a slot be able to enforce the notion of privacy, such that the slot can only be called by self? The current implementation of the 'pvt' prefix doesn't seem to work for me. 2) The 'Flexible Object Layouts' paper in listing 4, doesn't smell right for ManySlot>>initializeInstance: which has a super call which is not #initializeInstance:
-Paul
