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="Dhargun_Torias" />
  </query-continue>
  <query>
    <pages>
      <page pageid="1366" ns="0" title="Barius" />
      <page pageid="1881" ns="0" title="Baron Castle" />
      <page pageid="1913" ns="0" title="Cardinal" />
      <page pageid="2350" ns="0" title="Castle Hyral" />
      <page pageid="1400" ns="0" title="Charles Robert Franklyn Galzern Domanada" />
      <page pageid="1379" ns="0" title="Colena" />
      <page pageid="2511" ns="0" title="DEMO04 &quot;Banshee&quot;" />
      <page pageid="1617" ns="0" title="Dammara" />
      <page pageid="1939" ns="0" title="Darin Prentiss" />
      <page pageid="1733" ns="0" title="Devil&#039;s Sanctuary" />
    </pages>
  </query>
</api>