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="Hercules_Prima_SX|282" />
  </query-continue>
  <query>
    <pages>
      <page pageid="36" ns="0" title="CPI" />
      <page pageid="62" ns="0" title="Hercules Optima" />
      <page pageid="167" ns="0" title="Hercules KX-5" />
      <page pageid="178" ns="0" title="Derbi Senda R X-treme" />
      <page pageid="400" ns="0" title="Bing" />
      <page pageid="422" ns="0" title="Hercules Prima Gx" />
      <page pageid="447" ns="0" title="Prima gt" />
      <page pageid="749" ns="0" title="Herkules prima 5S" />
      <page pageid="752" ns="0" title="Hercules MK220" />
      <page pageid="1058" ns="0" title="Felx Tech Riva 25" />
    </pages>
  </query>
</api>