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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="Celestia8_-SquareEnix_Festival_2nd_Stage-" />
  </query-continue>
  <query>
    <allredirects>
      <r ns="0" title="Celestia11 -New generation-" />
      <r ns="0" title="Celestia12 -Short Charging SQEX-" />
      <r ns="0" title="Celestia13 -SQEX Festival 3rd-" />
      <r ns="0" title="Celestia14 -SQEX Festival:Altar-" />
      <r ns="0" title="Celestia2 -Celestia Jazz Festival-" />
      <r ns="0" title="Celestia3 -Natural Sound Festival-" />
      <r ns="0" title="Celestia4 -Red or White-" />
      <r ns="0" title="Celestia5 -Sunlight/Moonlight-" />
      <r ns="0" title="Celestia6 -Melodies of Memories-" />
      <r ns="0" title="Celestia7 -Phase Harmony Festival-" />
    </allredirects>
  </query>
</api>