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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 garcontinue="Brake_Light_(Hi-Level)_-_fitting_to_a_Mk1_Mondeo|1835" />
  </query-continue>
  <query>
    <pages>
      <page pageid="1976" ns="0" title="Bomz Air Induction Kit" />
      <page pageid="1977" ns="0" title="Bonnet Lifter Installation" />
      <page pageid="1978" ns="0" title="Brake Fluid" />
      <page pageid="1979" ns="0" title="Brake Light (Hi-Level) - fitting to a Mk1 Mondeo" />
      <page pageid="2219" ns="0" title="Black Eyes - Mk3" />
      <page pageid="2221" ns="0" title="Boot opens uncontrollably on Mondeo Mk3" />
      <page pageid="2222" ns="0" title="Brake Caliper Rebuild Guide (Mondeo Mk3)" />
      <page pageid="2230" ns="0" title="Brake Discs (Mk3) Front, Changing of" />
      <page pageid="2395" ns="0" title="Brake Caliper Rebuild Guide" />
      <page pageid="2640" ns="0" title="MK3 Stuck Bonnet Fix" />
    </pages>
  </query>
</api>