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-continue>
    <links gplcontinue="1|0|Javascript" />
  </query-continue>
  <query>
    <pages>
      <page pageid="389" ns="0" title="Admin Profiles" contentmodel="wikitext" pagelanguage="en" touched="2012-09-21T17:58:36Z" lastrevid="996" counter="12073" length="827" />
      <page pageid="189" ns="0" title="Advanced Features" contentmodel="wikitext" pagelanguage="en" touched="2012-09-21T17:58:36Z" lastrevid="936" counter="4564" length="254" />
      <page pageid="682" ns="0" title="Articles" contentmodel="wikitext" pagelanguage="en" touched="2012-11-22T19:54:23Z" lastrevid="1892" counter="809" length="28" redirect="" new="" />
      <page pageid="271" ns="0" title="Asset Library" contentmodel="wikitext" pagelanguage="en" touched="2012-09-21T17:58:36Z" lastrevid="1672" counter="29705" length="1435" />
      <page pageid="577" ns="0" title="Channel Layouts" contentmodel="wikitext" pagelanguage="en" touched="2012-11-12T20:17:05Z" lastrevid="1933" counter="12793" length="1009" />
      <page pageid="312" ns="0" title="Collections" contentmodel="wikitext" pagelanguage="en" touched="2012-10-05T16:06:53Z" lastrevid="943" counter="14558" length="998" />
      <page pageid="133" ns="0" title="Core Features" contentmodel="wikitext" pagelanguage="en" touched="2012-10-05T18:02:45Z" lastrevid="1889" counter="11931" length="435" />
      <page pageid="272" ns="0" title="Getting started" contentmodel="wikitext" pagelanguage="en" touched="2012-05-18T12:25:42Z" lastrevid="604" counter="937" length="48" redirect="" new="" />
      <page pageid="376" ns="0" title="Glossary" contentmodel="wikitext" pagelanguage="en" touched="2012-05-18T19:22:08Z" lastrevid="920" counter="2141" length="8" new="" />
      <page pageid="249" ns="0" title="IPad App" contentmodel="wikitext" pagelanguage="en" touched="2012-05-18T15:11:10Z" lastrevid="534" counter="1004" length="42" redirect="" new="" />
    </pages>
  </query>
</api>