Important Notice

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  Verb:         CALL
 
  Function:     Transfers control to another program in the run unit,
                with automatic return of control when that program
                finishes.
 
  Syntax:       Which format?  ◄OVERFLOW►   EXCEPTION
 
     ►►──CALL─┬───────────────┬─┬─identifier-1────────┬──────►
              └─mnemonic-name─┘ └─literal-1───────────┘
 
              ┌──────────────────────────────────────────────────┐
              │                    ┌───────────┐                 │
              ▼                    ▼           │                 │
     ►──USING─┬─┬──────────────┬─┬─identifier-2────────────────┬─┬─►
              │ └─BY REFERENCE─┘ │                ┌──────────┐ │ │
              │                  │                ▼          │ │ │
              │                  └─┬────────────┬─record-name──┘ │
              │                    └─ADDRESS OF─┘                │
              │             ┌────────────────────────┐           │
              │             ▼                        │           │
              ├─BY CONTENT──┬─literal-2──────────────┬───────────┤
              │             └─LENGTH OF identifier-3─┘           │
              │                                                  │
              └─BY VALUE──┬─identifier-4─────────────────────┬───┘
                          ├─literal-3────────────────────────┤
                          └─LENGTH OF identifier-5───────────┘
 
     ►─┬───────────────────────────────────────────┬───►
       └─┬─RETURNING─┬─┬─┬──────┬─identifier-6───┬─┘
         └─GIVING────┘ │ └─INTO─┘                │
                       └─ADDRESS OF identifier-7─┘
 
     ►─┬──────────────────────────────────────┬──────────►
       └┬──┬─EXCEPTION imperative-statement-1─┘
        └ON┘
 
     ►─┬───────────────────────────────────────────┬─────►
       └─NOT─┬──┬─EXCEPTION imperative-statement-2─┘
             └ON┘
 
     ►─┬──────────┬──►◄
       └─END-CALL─┘
                                    -♦-