src/org/tiefaces/components/websheet/dataobjects/CachedCells.java
public final boolean isValueChanged(final Cell cell) {
		String newValue = CellUtility.getCellValueWithFormat(cell,
				parent.getFormulaEvaluator(), parent.getDataFormatter());
		return isValueChanged(cell, newValue);
	}
public final boolean isValueChanged(final Cell cell) {
		String newValue = CellUtility.getCellValueWithFormat(cell,
				parent.getFormulaEvaluator(), parent.getDataFormatter());
		return isValueChanged(cell, newValue);
	}
Checks if is value changed.

@param cell
the cell

@return true, if is value changed