IB Statements/excpsub
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Exception subroutine
Parameter: EXCPSUB=exception-subroutine-label
Discussion: If an exception occurs, the program will branch to the subroutine statement-label specified. At that label, the program may contain statements to inquire into the nature of the exception. This exception routine may include a RETURN statement to branch back to the main program (i.e., the exception routine is really a subroutine). For more information, see Exception Handling.
Also see EXCP=.