plot (&valist)*jahr (as in your example) produces an error (ERROR 180-322: Statement is not valid or it is used out of proper order.), and simply putting a "proc" in front and a semicolon in the end of the line does not help either (ERROR 22-322: Syntax error, expecting one of the following: ;, DATA, FORMCHAR, HPERCENT, MISSING, NOLEGEND, NOMISS, UNIFORM, VPERCENT, VTOH. ERROR 76-322: Syntax error, statement will be ignored.)
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