rem: else 
add: else 
context:   getBestItem: function ()  {    var seln = this.getSelection ();    if (seln.length < 1) {      var kids = ContentUtils.childByLocalName(this.tree, "treechildren");      if (kids) return kids.lastChild;    }    else       return seln[0];    return null;  },
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/eaa6754a0a946375badf1165b3e4af3999e4b03c/bookmarksTree.js/buggy/xpfe/components/bookmarks/resources/bookmarksTree.js