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="Chassis_(Deutsch)" />
  </query-continue>
  <query>
    <pages>
      <page pageid="1225" ns="0" title="BLE-Module - List of variants" />
      <page pageid="684" ns="0" title="Bestückung / Löten des Senders" />
      <page pageid="19" ns="0" title="Bluetooth" />
      <page pageid="413" ns="0" title="Bluetooth ru" />
      <page pageid="393" ns="0" title="Bluetooth und App" />
      <page pageid="465" ns="0" title="Bumper-Sensor" />
      <page pageid="462" ns="0" title="Bumper sensor" />
      <page pageid="20" ns="0" title="Charging" />
      <page pageid="421" ns="0" title="Charging ru" />
      <page pageid="808" ns="0" title="Charging station" />
    </pages>
  </query>
</api>