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─────ELSE IF────────────────────────────────────────────────────────────────
 
     Action
 
     Causes execution of a block of statements if <expression> is true.
 
     Syntax
 
     ELSE IF (expression) THEN
 
     Parameter          Description
 
     expression         A logical expression
 
     Remarks
 
     The next statement to execute depends on the value of expression.
 
     If expression is:  Then the next statement executed is:
 
     True               The first executable statement following THEN
 
     False              The next ELSE IF, ELSE, or END IF statement at
                        the same IF level
 
     After the last statement in the ELSE IF block executes, program
     flow transfers to the END IF statement associated with the ELSE
     IF statement.
 
     Control may not be transferred into an ELSE IF block from outside
     that block.
 
     See Also: ◄ELSE►
               ◄►nt'>END IF
               ◄IF THEN ELSE►
 
     Example
 
           CHARACTER char
           READ (*, '(A)') char
           IF (char .EQ. 'L') THEN
             CALL Lsub
           ELSE IF (char .EQ. 'X') THEN
             CALL Xsub
           ELSE
             CALL Other
           END IF
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