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Real and Integer types
New real and integer types can
be defined with different ranges than the built-in real and
integer types. The definition consists of a named range of values
that an object of the new type can have.
The range and reverse_range attribute names
are described in the next chapter. Notice that the integer and real
type definitions look the same. The distinction is made by the range.
A range RANGE 0 to 5 would be any integer range while RANGE 0.0 to 5.0
would be a real range.