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Last updated at 8:26 am UTC on 18 January 2006
UndefinedObject is the class for the object called nil.
UndefinedObject is a subclass of Object.

 UndefinedObject instanceCount 

 UndefinedObject someInstance  

the class comment

I describe the behavior of my sole instance, nil. nil represents a prior value for variables that have not been initialized, or for results which are meaningless.