add: this.beginUpdateBatch(); BookmarksUtils.removeSelection("move", this.selection); BookmarksUtils.insertSelection("move", this.selection, this.target); this.endUpdateBatch(); 
context:   doTransaction: function ()  {  },
meta: 8395	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/8395/4a08f466118bcfdd6283366a260b6559d0869187/bookmarks.js/buggy/xpfe/components/bookmarks/resources/bookmarks.js