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>
    <alllinks galcontinue="Barnstormer|415" />
  </query-continue>
  <query>
    <pages>
      <page pageid="2" ns="0" title="Magic Kingdom" />
      <page pageid="134" ns="0" title="Disney&#039;s Hollywood Studios" />
      <page pageid="502" ns="0" title="Test Track (Pavilion)" />
      <page pageid="1630" ns="0" title="Toy Story Mania!" />
      <page pageid="1945" ns="0" title="Cool Ship" />
      <page pageid="2459" ns="0" title="Grand Park" />
      <page pageid="2465" ns="0" title="Echo Lake" />
      <page pageid="2498" ns="0" title="ABC Commissary" />
      <page pageid="2696" ns="0" title="Star Wars: Galaxy&#039;s Edge" />
      <page pageid="2775" ns="0" title="Studio Backlot" />
    </pages>
  </query>
</api>