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="Bandagenwanne|10" />
  </query-continue>
  <query>
    <pages>
      <page pageid="71" ns="0" title="Grafschaft Markweih" />
      <page pageid="91" ns="0" title="Schwingenstein" />
      <page pageid="99" ns="0" title="Gutes Rollenspiel" />
      <page pageid="177" ns="0" title="Orte und Dungeons" />
      <page pageid="473" ns="0" title="FAQ" />
      <page pageid="487" ns="0" title="Bajard" />
      <page pageid="3842" ns="0" title="Seefahrer" />
      <page pageid="3846" ns="0" title="Hauke Gravenborg" />
      <page pageid="3847" ns="0" title="Bajarder Feiertage" />
      <page pageid="3860" ns="0" title="Hexeninsel" />
    </pages>
  </query>
</api>