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-continue>
    <allpages gapfrom="T-Shirts Really A Mystery" />
  </query-continue>
  <query>
    <pages>
      <page pageid="2909" ns="0" title="T&#039;es ma fille et tu le resteras" touched="2011-10-28T16:35:25Z" lastrevid="18576" counter="168" length="943" new="" />
      <page pageid="39724" ns="0" title="T-Shirt Printing Essentials" touched="2013-06-21T09:55:23Z" lastrevid="72217" counter="289" length="2234" new="" />
      <page pageid="50208" ns="0" title="T-Shirt Printing Services Programs - What&#039;s Needed" touched="2013-06-30T09:53:55Z" lastrevid="83994" counter="51" length="3170" new="" />
      <page pageid="57113" ns="0" title="T-Shirt Publishing Newcomers Guide" touched="2013-07-05T18:36:58Z" lastrevid="91603" counter="66" length="2155" new="" />
    </pages>
  </query>
</api>