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="DNS" />
  </query-continue>
  <query>
    <pages>
      <page ns="0" title="Berlin" missing="" />
      <page pageid="75" ns="0" title="BMW E46" />
      <page pageid="224" ns="0" title="Beaglebone black" />
      <page pageid="85" ns="0" title="Beef Wellington" />
      <page pageid="67" ns="0" title="Brew stand" />
      <page pageid="186" ns="0" title="Budapest and Vienna" />
      <page pageid="132" ns="0" title="CNC Mill" />
      <page pageid="165" ns="0" title="Cat Door Project" />
      <page pageid="114" ns="0" title="Cat Wall" />
      <page pageid="18" ns="0" title="Cevice of Salmon" />
    </pages>
  </query>
</api>