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>
    <allredirects garcontinue="Dohu_Koukai|3331" />
  </query-continue>
  <query>
    <pages>
      <page pageid="2454" ns="0" title="Bakonawa Lake" />
      <page pageid="2455" ns="0" title="Bangungot Hospital" />
      <page pageid="2520" ns="0" title="Change Material Book" />
      <page pageid="2521" ns="0" title="Change Materials Guidebook" />
      <page pageid="3310" ns="0" title="Flaming Petals" />
      <page pageid="3315" ns="0" title="Blaze Shield" />
      <page pageid="3317" ns="0" title="Cicada Skin Shed" />
      <page pageid="3365" ns="0" title="Kunai Explosion" />
      <page pageid="4507" ns="0" title="Defending Aura" />
      <page pageid="4645" ns="0" title="Spiritual Thrift" />
    </pages>
  </query>
</api>