1  –  n1,_n2

    Specifies the range for the number of occurrences. The value of
    n1 is greater than or equal to zero. The value of n2 is greater
    than or equal to n1.

2  –  name1

    Specifies the field element whose value determines the actual
    number of occurrences.

3  –  name2

    Specifies the element that contains the depending field. This
    element is often a record.

4  –  index-name

    Specifies the field element that functions as an index.