rem: onFolderChanged: function() { }, 
add: onFolderChanged: function() { } 
context:   onFolderChanged: function() { },
meta: 10520	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/10520/7689595dc60791226f879ae76303e1b97feaf829/browser.js/buggy/browser/base/content/browser.js