thank_you.js

{'element': {
  'attrs': {'attribute':{/*another damned document*/}},
  'contents': [{
    'more_shit':{}
  }]
}}

wtf.xml

<!-- WTF xml, why do you suck so much? 
  Please try harder to be a data structure next time. -->
<element
  attribute="<another_damned_document />"
  >
  <more_shit />
</element>