rem: return "[object XMLSerializer]" 
add: return "[object XMLSerializer]"; 
context:     toString: function() {      return "[object XMLSerializer]"    },
meta: 1005	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/1005/0a0a3a9ad93d191ef1df92687a876b1148fcaa7f/QxXmlExtras.js/clean/qooxdoo/source/script/core/QxXmlExtras.js