docs: function parse_XLSBParsedFormula(data, length, opts) {
  	var end = data.l + length;
  	var cce = data.read_shift(4);
  	var rgce = parse_Rgce(data, cce, opts);
  	var cb = data.read_shift(4);
  	var rgcb = cb > 0 ? parse_RgbExtra(data, cb, rgce, opts) : null;
  	return [rgce, rgcb];
  }