You are looking at the HTML representation of the XML format.
HTML is good for debugging, but probably is not suitable for your application.
See complete documentation, or API help for more information. 
<?xml version="1.0"?>
<api>
  <query>
    <allimages>
      <img name="Broken.png" timestamp="2011-05-12T20:09:51Z" url="http://fbdevwiki.com/images/0/0c/Broken.png" descriptionurl="http://fbdevwiki.com/wiki/File:Broken.png" ns="6" title="File:Broken.png" />
      <img name="Broken.svg" timestamp="2011-05-12T20:04:02Z" url="http://fbdevwiki.com/images/d/d9/Broken.svg" descriptionurl="http://fbdevwiki.com/wiki/File:Broken.svg" ns="6" title="File:Broken.svg" />
      <img name="Bulbgraph.png" timestamp="2010-12-08T15:38:55Z" url="http://fbdevwiki.com/images/6/60/Bulbgraph.png" descriptionurl="http://fbdevwiki.com/wiki/File:Bulbgraph.png" ns="6" title="File:Bulbgraph.png" />
      <img name="Button_sig.png" timestamp="2011-04-23T19:05:48Z" url="http://fbdevwiki.com/images/6/6d/Button_sig.png" descriptionurl="http://fbdevwiki.com/wiki/File:Button_sig.png" ns="6" title="File:Button sig.png" />
      <img name="Deprecated.png" timestamp="2011-05-12T20:16:26Z" url="http://fbdevwiki.com/images/7/79/Deprecated.png" descriptionurl="http://fbdevwiki.com/wiki/File:Deprecated.png" ns="6" title="File:Deprecated.png" />
      <img name="Example-white-bg.jpg" timestamp="2010-12-08T15:40:46Z" url="http://fbdevwiki.com/images/d/d4/Example-white-bg.jpg" descriptionurl="http://fbdevwiki.com/wiki/File:Example-white-bg.jpg" ns="6" title="File:Example-white-bg.jpg" />
      <img name="Example.jpg" timestamp="2010-12-08T15:40:08Z" url="http://fbdevwiki.com/images/a/a9/Example.jpg" descriptionurl="http://fbdevwiki.com/wiki/File:Example.jpg" ns="6" title="File:Example.jpg" />
      <img name="FB.ui_feed1.png" timestamp="2011-07-04T18:25:26Z" url="http://fbdevwiki.com/images/d/d5/FB.ui_feed1.png" descriptionurl="http://fbdevwiki.com/wiki/File:FB.ui_feed1.png" ns="6" title="File:FB.ui feed1.png" />
      <img name="FB.ui_stream.publish.png" timestamp="2010-12-12T05:28:02Z" url="http://fbdevwiki.com/images/0/06/FB.ui_stream.publish.png" descriptionurl="http://fbdevwiki.com/wiki/File:FB.ui_stream.publish.png" ns="6" title="File:FB.ui stream.publish.png" />
      <img name="FB.ui_stream.share.png" timestamp="2010-12-12T05:22:44Z" url="http://fbdevwiki.com/images/3/3b/FB.ui_stream.share.png" descriptionurl="http://fbdevwiki.com/wiki/File:FB.ui_stream.share.png" ns="6" title="File:FB.ui stream.share.png" />
    </allimages>
  </query>
  <query-continue>
    <allimages aifrom="FLR stable-current banners.png" />
  </query-continue>
</api>