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="Church_of_St._Cuthbert,_Obsidian_Bay|2002" />
  </query-continue>
  <query>
    <pages>
      <page pageid="1710" ns="0" title="Church of Pelor" />
      <page pageid="2358" ns="0" title="K&#039;sograh the Mighty" />
      <page pageid="2443" ns="0" title="Blackrazors" />
      <page pageid="2518" ns="0" title="Blackrazor Guildhall, Obsidian Bay" />
      <page pageid="2563" ns="0" title="Blackrazor" />
      <page pageid="3071" ns="0" title="Obsidian Frontier Primer" />
      <page pageid="3142" ns="0" title="Baldwin" />
      <page pageid="3219" ns="0" title="Wisenewt" />
      <page pageid="3263" ns="0" title="Burgell" />
      <page pageid="3446" ns="0" title="Blackrazor Guildhall, Seltaren" />
    </pages>
  </query>
</api>