On Sun, 16 Apr 2023 02:01:10 +0000, Seymour J Metz wrote: >> Meticulously distinguishing the case of PARM is absent from PARM='', >> possibly because a program could determine that PARM was not >> specified and take action different from PARM=''. > >No. The only way to distinguish them is to scan the JCL or the internal text. > Aren't you agreeing with me? "The only way" implies that one way exists.
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