rem: BookmarksUtils.removeSelection("delete", aSelection); 
add: BookmarksUtils.removeAndCheckSelection("delete", aSelection); 
context:   deleteBookmark: function (aSelection)  {    BookmarksUtils.removeSelection("delete", aSelection);  },
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/ac77f358a61b45de690bdb84b46470c08b2a00a8/bookmarks.js/buggy/browser/components/bookmarks/content/bookmarks.js