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Invocation of Preprocessor Procedures

A preprocessor procedure is invoked by the appearance of its entry name, together with an optional list of arguments. The procedure must have been previously activated by use of the %ACTIVATE statement or by its inclusion in a %DECLARE statement.

The argument list must be a parenthesized list of positional arguments following the entry name. Trailing arguments can be omitted; their absence is detected by use of the PARMSET built-in.

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