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>
    <allimages gaicontinue="-Critterbis-editions.png" />
  </query-continue>
  <query>
    <pages>
      <page pageid="110066" ns="6" title="File:&#039;&#039;Chill&quot; Sabes fursona art sheet.jpg" />
      <page pageid="110065" ns="6" title="File:&#039;&#039;Chill&quot; Sabes fursona art sheet 2.jpg" />
      <page pageid="124767" ns="6" title="File:&#039;It speaks for itself&#039; Anthro Swim Bump.gif" />
      <page pageid="20074" ns="6" title="File:&#039;s RPG Character -Dave-.JPG" />
      <page pageid="20151" ns="6" title="File:&#039;s Revenge.jpg" />
      <page pageid="23264" ns="6" title="File:&#039;t try to get me on!.jpg" />
      <page pageid="84820" ns="6" title="File:(Elizabeth.Jackson)-Hoenix.jpg" />
      <page pageid="80989" ns="6" title="File:(Elizabeth.Jackson)SunsetOfFurmankindCover.jpg" />
      <page pageid="86423" ns="6" title="File:(Elizabeth Jackson)-Blue Horizon-01-medium.jpg" />
      <page pageid="9760" ns="6" title="File:(Jodi) Icon.jpg" />
    </pages>
  </query>
</api>