'''Result:'''
<pre class="brush:json">
["xml"]
</pre>
'''Result:'''
<pre class="brush:json">
["flickr",
["title",
'''Query:'''
<pre class="brush:jsonxquery">
json:serialize-ml(doc('input.xml'))
</pre>
'''Result:'''
<pre class="brush:json">
["address", {"id":"1"},
["last_name",