You are looking at the HTML representation of the XML format.
HTML is good for debugging, but probably is not suitable for your application.
See complete documentation, or API help for more information. 
<?xml version="1.0"?>
<api>
  <query>
    <recentchanges>
      <rc type="new" ns="0" title="Elite Police Captain" timestamp="2013-05-25T16:14:36Z" />
      <rc type="new" ns="0" title="Hai Chen" timestamp="2013-05-25T06:48:34Z" />
      <rc type="new" ns="0" title="Chao Hui" timestamp="2013-05-25T06:47:36Z" />
      <rc type="new" ns="0" title="Billund" timestamp="2013-05-25T05:01:22Z" />
      <rc type="new" ns="0" title="Black Panther" timestamp="2013-05-23T20:57:55Z" />
      <rc type="new" ns="0" title="LEGO Friends (2013 Video Game)" timestamp="2013-05-22T04:09:03Z" />
      <rc type="new" ns="0" title="P2033 Life on Mars Pen Pack" timestamp="2013-05-19T21:13:54Z" />
      <rc type="new" ns="0" title="Owens" timestamp="2013-05-18T22:01:56Z" />
      <rc type="new" ns="0" title="Bakery Worker" timestamp="2013-05-18T07:28:16Z" />
      <rc type="new" ns="0" title="Secretary (Undercover)" timestamp="2013-05-18T07:26:21Z" />
    </recentchanges>
  </query>
  <query-continue>
    <recentchanges rcstart="2013-05-18T07:24:41Z" />
  </query-continue>
</api>