rem: uri = IOService.newURI(urlspec, null, null); 
add: var uri = IOService.newURI(urlspec, null, null); 
context: function GetFilename(urlspec){  if (!urlspec || IsUrlAboutBlank(urlspec))    return "";  var IOService = GetIOService();  if (!IOService)    return "";  var filename;  try {    uri = IOService.newURI(urlspec, null, null);    if (uri)    {      var url = uri.QueryInterface(Components.interfaces.nsIURL);      if (url)        filename = url.fileName;    }  } catch (e) {}  return filename ? filename : "";}
meta: 10234	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/10234/7b8132f0cc09883457229c6e05c6ce8d4bc47b8c/editorUtilities.js/buggy/editor/ui/composer/content/editorUtilities.js