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 arcontinue="Committers_Meetings|2822" />
  </query-continue>
  <query>
    <allredirects>
      <r fromid="2733" ns="0" title="Benutzerhandbuch:Inhaltsverzeichnis" />
      <r fromid="2750" ns="0" title="Bug Triage March 2010" />
      <r fromid="2804" ns="0" title="CC meeting minutes 20100917" />
      <r fromid="2802" ns="0" title="CC meeting minutes 20101001" />
      <r fromid="2803" ns="0" title="CC meeting minutes 20101008" />
      <r fromid="2821" ns="0" title="CC meeting minutes 20101022" />
      <r fromid="2846" ns="0" title="Chart of Accounts" />
      <r fromid="2654" ns="0" title="Chinese" />
      <r fromid="4000" ns="0" title="Colombia Localisation" />
      <r fromid="2854" ns="0" title="Committers" />
    </allredirects>
  </query>
</api>