The LANGLVL option specifies the level of PL/I language definition that you want the compiler to accept.
.-OS----. >>-LANGLVL--(----+-NOEXT-+----)--------------------------------><
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Bkwd Consecutive Ctlasa Deblock |
Genkey Graphic Indexed Keylength |
Keyloc Organization Recsize Regional |
Relative Scalarvarying Vsam |