rem: self.cbRowsFetched(Math.abs(self._rows.length - rowCount)); 
add: self.cbRowsFetched(self.nonEmptyRowCount() - rowCount); 
context:             function () {                self._rowTimeout = null;                self._requestWaiting = true;                var rowCount = self._rows.length;                self._getSomeRows(scrollingDown).addBoth(                    function (rslt) {                        self._requestWaiting = false;                        if (self._moreAfterRequest) {                            self._moreAfterRequest = false;                            self.scrolled();                        }                        self.cbRowsFetched(Math.abs(self._rows.length - rowCount));                        return rslt;                    });            },
meta: 3455	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/3455/3a631c60a33f7407e1e571ceffbbad71229b8018/ScrollTable.js/clean/xmantissa/js/Mantissa/ScrollTable.js