rem: return aRow; 
add: return row; 
context: function GetParentRow(aTree, aRow){  var level = aTree.view.getLevel(aRow);  var parentLevel = level;  while (aRow >= 0 && parentLevel >= level) {    parentLevel = aTree.view.getLevel(aRow);    --aRow;  }  return aRow;}
meta: 8395	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/8395/d87ec2ca689ba41b04c19444906bf7e87c765846/abCommon.js/buggy/mailnews/addrbook/resources/content/abCommon.js