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="Bad_Wildbad,_Baden-Württemberg|4126" />
  </query-continue>
  <query>
    <pages>
      <page pageid="2048" ns="0" title="ToDo - Städte und Ortschaften Baden-Württemberg" />
      <page pageid="3834" ns="0" title="List of Completed Australian Service Stations" />
      <page pageid="4124" ns="0" title="ToDo - Bad Wildbad, Baden-Württemberg" />
      <page pageid="4125" ns="0" title="Bad Wildbad (Stadt)" />
      <page pageid="4701" ns="0" title="ToDo - Westerwaldkreis, Rheinland-Pfalz" />
      <page pageid="5600" ns="0" title="Orașele României" />
      <page pageid="13560" ns="0" title="New Jersey" />
      <page pageid="13792" ns="0" title="New Jersey/Special roads/Main" />
      <page pageid="15045" ns="2" title="User:Kobes1878/Jughandles" />
    </pages>
  </query>
</api>