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>
    <alllinks galcontinue="Backup_on_Windows|34" />
  </query-continue>
  <query>
    <pages>
      <page pageid="1" ns="0" title="DTU Compute ITS Wiki" />
      <page pageid="34" ns="0" title="Backup" />
      <page pageid="70" ns="0" title="Backup on Windows" />
      <page pageid="182" ns="0" title="Subversion server" />
      <page pageid="209" ns="520" title="News:2010-08-25- New file share for for Windows backup" />
      <page pageid="284" ns="0" title="File servers" />
      <page pageid="774" ns="0" title="Backup on Windows (background information)" />
    </pages>
  </query>
</api>