You are looking at the HTML representation of the XML format.
HTML is good for debugging, but is unsuitable for application use.
Specify the format parameter to change the output format.
To see the non HTML representation of the XML format, set format=xml.
See the complete documentation, or API help for more information. 
<?xml version="1.0"?>
<api>
  <query>
    <pages>
      <page pageid="3" ns="6" title="File:Map of USA with state names (1).svg" contentmodel="wikitext" pagelanguage="en" touched="2015-01-19T23:14:31Z" lastrevid="7" counter="2555" length="0" new="" />
      <page pageid="175" ns="6" title="File:Utah DURABLE GENERAL POWER OF ATTORNEY-long form.doc" contentmodel="wikitext" pagelanguage="en" touched="2015-01-27T20:42:10Z" lastrevid="339" counter="592" length="0" new="" />
      <page pageid="114" ns="6" title="File:Utah DURABLE GENERAL POWER OF ATTORNEY.doc" contentmodel="wikitext" pagelanguage="en" touched="2015-01-27T19:58:19Z" lastrevid="276" counter="329" length="0" new="" />
    </pages>
  </query>
</api>