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="Games_and_Computers" />
  </query-continue>
  <query>
    <allredirects>
      <r ns="0" title="BASIC Tutorial - Advanced Level" />
      <r ns="0" title="BASIC Tutorial - Beginners Level" />
      <r ns="0" title="Boris The Bold" />
      <r ns="0" title="Cassette 50" />
      <r ns="0" title="Compusense Ltd" />
      <r ns="0" title="DragonMMC SDCard" />
      <r ns="0" title="Dragon Data Ltd" />
      <r ns="0" title="Dragon Multi Cartridge version 1.0 (Rolo)" />
      <r ns="0" title="Eurohard SA" />
      <r ns="0" title="Exploring Adventures on the Dragon" />
    </allredirects>
  </query>
</api>