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  FOR <control variable> := <expression> TO │ DOWNTO
                            <expression>
  DO <statement>
 
  Description
 
    A FOR statement is a loop that repeats a specified number of
    times. The range of two expressions controls the number of loops.
    For each loop, a control variable changes in value. During the
    first loop, the control variable takes the value of the first
    expression. For the successive loops, the value of the control
    variable increments or decrements by one until the control variable
    is equal to the second expression.
 
    If the TO key word is used, the value of the control variable
    increments. If the DOWNTO keyword is used, the value of the control
    variable decrements.
 
  See also:  Pascal Statement Hierarchy, Loop, REPEAT, WHILE