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="Crystal_Exchange" />
  </query-continue>
  <query>
    <pages>
      <page pageid="1731" ns="0" title="Battle Clinic" />
      <page pageid="94" ns="0" title="Blade of Dawn" />
      <page pageid="7953" ns="0" title="Boon Ship" />
      <page pageid="6626" ns="0" title="Caption Contest" />
      <page pageid="106" ns="0" title="Clan Hideouts" />
      <page pageid="7362" ns="0" title="Connor" />
      <page pageid="7865" ns="0" title="Crafter&#039;s Guild" />
      <page pageid="8109" ns="0" title="Crafter&#039;s Guild/Drone Bays" />
      <page pageid="8146" ns="0" title="Crafter&#039;s Guild/Drone Drops" />
      <page pageid="107" ns="0" title="Creator&#039;s Blog" />
    </pages>
  </query>
</api>