X 5.3.17.3 Format 3
X ___ Format 3--NULL Value _______________________________________________ X | | X | >>__VALUE__ ____ __ _NULL__ ________________________________________>< | X | |_IS_| |_NULLS_| | | | |________________________________________________________________________|
X This format assigns an invalid address as the initial value of an item
X defined as USAGE IS POINTER or USAGE IS PROCEDURE-POINTER. It also
X assigns an invalid object reference as the initial value of an item
X defined as USAGE IS OBJECT REFERENCE.
X VALUE IS NULL can only be specified for elementary items described
X implicitly or explicitly as USAGE IS POINTER, USAGE IS PROCEDURE-POINTER,
X or USAGE IS OBJECT REFERENCE.
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