DOMParser/XMLSerializer test

The "text to parse" and "document object serialized" boxes should show the same text, and it should be an XML document, not "@@No result@@".
text to parse

<?xml version="1.0"?>
<!DOCTYPE doc [
<!ATTLIST d id ID #IMPLIED>
]>
<doc>
  <foo xmlns="foobar">One</foo> <x:bar xmlns:x="barfoo">Two</x:bar>
  <d id="id3">Three</d>
<f id="&amp;&lt;&gt;">Four&amp;&lt;&gt;</f><empty/><empty></empty></doc>

document object

[object Document]

document object serialized

<?xml version="1.0"?><!DOCTYPE doc><doc>
  <foo xmlns="foobar">One</foo> <x:bar xmlns:x="barfoo">Two</x:bar>
  <d id="id3">Three</d>
<f id="&amp;&lt;&gt;">Four&amp;&lt;&gt;</f><empty/><empty/></doc>