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: 8395	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/8395/0b2dd2b2d2fd037df917e07645fa019a963332a5/bookmarksTree.js/clean/xpfe/components/bookmarks/resources/bookmarksTree.js