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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="History_of_Computers_-_Schrodinger&#039;s_Cat|2820" />
  </query-continue>
  <query>
    <allredirects>
      <r fromid="1112" ns="0" title="Earth Science 7- Antarctica/ Australia/ New Zealand Period 1" />
      <r fromid="801" ns="0" title="Earth Science 7- Bangui, Central African Republic" />
      <r fromid="2887" ns="0" title="History of Computer - The Athlon Processor" />
      <r fromid="2240" ns="0" title="History of Computers - Alan Turing" />
      <r fromid="1371" ns="0" title="History of Computers - CorelDRAW" />
      <r fromid="2886" ns="0" title="History of Computers - Douglas Engelbart" />
      <r fromid="1382" ns="0" title="History of Computers - Norbert Wiener" />
      <r fromid="632" ns="0" title="History of Computers - Origins of IBM" />
      <r fromid="340" ns="0" title="History of Computers - Projection Keyboard" />
      <r fromid="1381" ns="0" title="History of Computers - Push Technology" />
    </allredirects>
  </query>
</api>