throws FormulaException {
final byte[] data = cell.getFormulaData();
final byte[] tokens = new byte[data.length - 16];
System.arraycopy(data, 16, tokens, 0, tokens.length);
final ZssTokenFormulaParser fp =
new ZssTokenFormulaParser(tokens, (jxl.Cell) cell,
(jxl.biff.formula.ExternalSheet) wb,
(jxl.biff.WorkbookMethods)wb, ((ZssWorkbookParser)wb).getSettings());
fp.parse();
return fp.getFormula();
}