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>
    <allfileusages gafcontinue="Cdndwarf.jpg|383" />
  </query-continue>
  <query>
    <pages>
      <page pageid="24" ns="0" title="Calabacito Rojo" />
      <page pageid="188" ns="0" title="Black Sea Man" />
      <page pageid="216" ns="0" title="Beauty King" />
      <page pageid="221" ns="0" title="Black From Tula" />
      <page pageid="333" ns="0" title="Bonito Ojo" />
      <page pageid="383" ns="0" title="Canadian Dwarf" />
      <page pageid="396" ns="0" title="Brode Galeux d&#039;Eysines" />
      <page pageid="443" ns="0" title="Black Krim" />
      <page pageid="476" ns="0" title="Bramki" />
      <page pageid="492" ns="0" title="Brazilian Beauty" />
    </pages>
  </query>
</api>