rem: return; 
add: return null; 
context: function tov_getcelltxt (index, colID){    var row = this.childData.locateChildByVisualRow (index);    //ASSERT(row, "bogus row " + index);    if (row._colValues)        return row._colValues[colID];    else        return;}
meta: 5459	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/5459/7488ede56fc7ede3684f0f159200a415c4307fc0/tree-utils.js/buggy/extensions/cview/resources/content/tree-utils.js