ISO/IEC 6522:1992 Preview
Information technology -- Programming languages -- PL/1 general purpose subset
This standard was last reviewed and confirmed in 2008. Therefore this version remains current.
The language defined is different from those of previous PL/I standards, although substantially upward compatible, at the source program and semantic level. The differences are summarized in appendix A. Specifies the syntax and semantics of conforming PL/I programs. Defines a conforming processor (or conforming implementation) only in terms of those conforming programs. The definition is accomplished by specifying a conceptual PL/I machine which translates and interprets intended PL/I programs.
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