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>
    <allredirects garcontinue="Bahnhof_Alexandra_Palace|2638" />
  </query-continue>
  <query>
    <pages>
      <page pageid="653" ns="0" title="Befreiung Andreas Baader" />
      <page pageid="1160" ns="0" title="Miquelstraße 83" />
      <page pageid="1161" ns="0" title="Bernadottestraße 94" />
      <page pageid="1162" ns="0" title="Miquelstraße 83, 14195 Berlin" />
      <page pageid="5674" ns="0" title="Baader-Befreiungs-Aktion" />
      <page pageid="5675" ns="0" title="Befreiung von Andreas Baader" />
      <page pageid="5829" ns="0" title="Deutsches Zentralinstitut für soziale Fragen" />
      <page pageid="7564" ns="0" title="Gustav-Heinemann-Ufer 72" />
      <page pageid="7566" ns="0" title="Gustav-Heinemann-Ufer 72, 50968 Köln" />
      <page pageid="9836" ns="0" title="Cologne Oval Offices" />
    </pages>
  </query>
</api>