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>
    <allimages aicontinue="Ring_-3_Rootkits.pdf" />
  </query-continue>
  <query>
    <allimages>
      <img name="Csk_lacon12_intel_amt.pdf" timestamp="2013-06-25T19:51:03Z" url="http://me.bios.io/images/0/0f/Csk_lacon12_intel_amt.pdf" descriptionurl="http://me.bios.io/File:Csk_lacon12_intel_amt.pdf" ns="6" title="File:Csk lacon12 intel amt.pdf" />
      <img name="DeepWatch.pdf" timestamp="2013-06-23T17:23:04Z" url="http://me.bios.io/images/2/23/DeepWatch.pdf" descriptionurl="http://me.bios.io/File:DeepWatch.pdf" ns="6" title="File:DeepWatch.pdf" />
      <img name="Intelme.png" timestamp="2013-06-23T13:56:22Z" url="http://me.bios.io/images/5/5e/Intelme.png" descriptionurl="http://me.bios.io/File:Intelme.png" ns="6" title="File:Intelme.png" />
      <img name="ME_ignition.ppt.gz" timestamp="2013-06-29T21:45:37Z" url="http://me.bios.io/images/b/b4/ME_ignition.ppt.gz" descriptionurl="http://me.bios.io/File:ME_ignition.ppt.gz" ns="6" title="File:ME ignition.ppt.gz" />
      <img name="Mere_logo.png" timestamp="2013-06-24T00:09:25Z" url="http://me.bios.io/images/8/8b/Mere_logo.png" descriptionurl="http://me.bios.io/File:Mere_logo.png" ns="6" title="File:Mere logo.png" />
      <img name="Oneplusone.bin" timestamp="2013-06-23T15:52:42Z" url="http://me.bios.io/images/1/1c/Oneplusone.bin" descriptionurl="http://me.bios.io/File:Oneplusone.bin" ns="6" title="File:Oneplusone.bin" />
      <img name="Oneplusone.hex.bin" timestamp="2013-06-23T16:09:59Z" url="http://me.bios.io/images/0/0c/Oneplusone.hex.bin" descriptionurl="http://me.bios.io/File:Oneplusone.hex.bin" ns="6" title="File:Oneplusone.hex.bin" />
      <img name="Parc.png" timestamp="2013-06-24T16:45:01Z" url="http://me.bios.io/images/7/75/Parc.png" descriptionurl="http://me.bios.io/File:Parc.png" ns="6" title="File:Parc.png" />
      <img name="Parc_v5.png" timestamp="2013-06-24T17:59:24Z" url="http://me.bios.io/images/9/99/Parc_v5.png" descriptionurl="http://me.bios.io/File:Parc_v5.png" ns="6" title="File:Parc v5.png" />
      <img name="Quest_To_The_Core.pdf" timestamp="2013-06-23T17:47:24Z" url="http://me.bios.io/images/0/00/Quest_To_The_Core.pdf" descriptionurl="http://me.bios.io/File:Quest_To_The_Core.pdf" ns="6" title="File:Quest To The Core.pdf" />
    </allimages>
  </query>
</api>