cobol1.hlp (Topic list)
ON (↑ Statements)
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  Verb:         ON
 
  Function:     Causes a group of statements to be executed
                periodically.
 
  Syntax:
 
     ►►──ON─┬─literal-1────┬─┬────────────────────────────┬───►
            └─identifier-1─┘ └─AND EVERY─┬─literal-2─────┬┘
                                         └─identifier-2 ─┘
 
     ►───┬───────────────────────┬──┬─imperative-statement-1─┬──►
         └─UNTIL─┬─literal-3────┬┘  └─NEXT SENTENCE──────────┘
                 └─identifier-3─┘
 
     ►───┬─ELSE──────┬──┬─imperative-statement-2─┬──►◄
         └─OTHERWISE─┘  └─NEXT SENTENCE──────────┘
                                    -♦-