context:   isCommandEnabled: function (aCommand)  {    // warning: this is not the function called in BookmarksController.onCommandUpdate    var selection = BookmarksMenu._selection;    var target    = BookmarksMenu._target;    if (selection)      return BookmarksController.isCommandEnabled(aCommand, selection, target);    return false;  },
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/4c1429424dc150e461b1ad87373f3bac20e3cb4a/bookmarksMenu.js/clean/browser/components/bookmarks/content/bookmarksMenu.js