The XML specification to enable the interchange of information necessary
to account, to analyze, and to trade financial instruments of the world's markets.
Indicates that the number is actually a fraction. "actualDenominator" gives a clue to the denominator of the value (assume 1). If the value is intended to be displayed with a different denominator, "displayDenominator" provides this clue. "displayNumerator" specifies absolutely the fraction to be displayed.