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>
    <alllinks alcontinue="CCTV_London" />
  </query-continue>
  <query>
    <alllinks>
      <l ns="0" title="Backlight Compensation" />
      <l ns="0" title="Bullet Resistant Cameras" />
      <l ns="0" title="Bullet Resistant Cameras (Silent Witness)" />
      <l ns="0" title="Buying Access Control" />
      <l ns="0" title="Buying CCTV" />
      <l ns="0" title="CCTV" />
      <l ns="0" title="CCTV Advertising - Buyer Beware" />
      <l ns="0" title="CCTV Control Room Furniture" />
      <l ns="0" title="CCTV Installation" />
      <l ns="0" title="CCTV Installation Companies" />
    </alllinks>
  </query>
</api>