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>
    <allimages>
      <img name="IMG_0068.jpg" timestamp="2006-01-23T17:02:45Z" user="Fabian" url="http://en.wiki.in-no.org//w/images/9/9a/IMG_0068.jpg" descriptionurl="http://en.wiki.in-no.org//File:IMG_0068.jpg" ns="6" title="File:IMG 0068.jpg" />
      <img name="IMG_0253.jpg" timestamp="2006-01-23T17:02:06Z" user="Fabian" url="http://en.wiki.in-no.org//w/images/9/94/IMG_0253.jpg" descriptionurl="http://en.wiki.in-no.org//File:IMG_0253.jpg" ns="6" title="File:IMG 0253.jpg" />
      <img name="IMG_0224.jpg" timestamp="2006-01-23T16:58:52Z" user="Fabian" url="http://en.wiki.in-no.org//w/images/3/3c/IMG_0224.jpg" descriptionurl="http://en.wiki.in-no.org//File:IMG_0224.jpg" ns="6" title="File:IMG 0224.jpg" />
      <img name="IMG_0259.jpg" timestamp="2006-01-23T16:57:56Z" user="Fabian" url="http://en.wiki.in-no.org//w/images/b/b4/IMG_0259.jpg" descriptionurl="http://en.wiki.in-no.org//File:IMG_0259.jpg" ns="6" title="File:IMG 0259.jpg" />
      <img name="RAW_WAR.gif" timestamp="2005-09-24T16:35:33Z" user="Fabian" url="http://en.wiki.in-no.org//w/images/8/8e/RAW_WAR.gif" descriptionurl="http://en.wiki.in-no.org//File:RAW_WAR.gif" ns="6" title="File:RAW WAR.gif" />
      <img name="Show_image.jpg" timestamp="2005-09-21T00:27:58Z" user="Fabian" url="http://en.wiki.in-no.org//w/images/d/d7/Show_image.jpg" descriptionurl="http://en.wiki.in-no.org//File:Show_image.jpg" ns="6" title="File:Show image.jpg" />
    </allimages>
  </query>
</api>