rem: if (dirTree && dirTree.selectedItems && (dirTree.selectedItems.length == 1)) 
add: if (dirTree && dirTree.selectedItems && (dirTree.selectedItems.length == 1)) 
context: function DirPaneSelectionChange(){  if (dirTree && dirTree.selectedItems && (dirTree.selectedItems.length == 1))    ChangeDirectoryByDOMNode(dirTree.selectedItems[0]);}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/753b967403faaa136b682728d3dfc1a4607ad581/abCommon.js/buggy/mailnews/addrbook/resources/content/abCommon.js