Holds information about user-defined instance variables in Players.

	initialization
	initialize

	printing
	printOn:

	access	top
	documentation
	documentation:
	floatPrecision Answer the floatPrecision for the slot: 1.0 -> show whole number 0.1 -> show one digit of precision .01 -> show two digits of precision etc. Initialize the precision to 1 if it is not present
	floatPrecision:
	type Answer the type of the receiver, initializing it to Number if it is nil
	type:
	variableDock Answer the variable dock associated with the receiver, or nil if none
	variableDock: Set the receiver's variableDock as indicated

	initialization	top
	initialize Initialize the receiver's instance variables to default values

	printing	top
	printOn: Append to the argument, aStream, a sequence of characters that identifies the receiver.