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="CBTraffic_Editor-_*Unsaved_File.png" />
  </query-continue>
  <query>
    <allimages>
      <img name="BASH_Cheat_Sheet.pdf" timestamp="2009-07-02T18:15:55Z" url="http://cajunbot.com/wiki/images/7/71/BASH_Cheat_Sheet.pdf" descriptionurl="http://cajunbot.com/wiki/File:BASH_Cheat_Sheet.pdf" ns="6" title="File:BASH Cheat Sheet.pdf" />
      <img name="BaseTab.jpg" timestamp="2009-07-20T18:23:29Z" url="http://cajunbot.com/wiki/images/1/19/BaseTab.jpg" descriptionurl="http://cajunbot.com/wiki/File:BaseTab.jpg" ns="6" title="File:BaseTab.jpg" />
      <img name="Base_station_repeatability_tests.ods" timestamp="2009-07-09T20:39:29Z" url="http://cajunbot.com/wiki/images/6/62/Base_station_repeatability_tests.ods" descriptionurl="http://cajunbot.com/wiki/File:Base_station_repeatability_tests.ods" ns="6" title="File:Base station repeatability tests.ods" />
      <img name="Battery_backup.jpg" timestamp="2009-08-10T15:15:06Z" url="http://cajunbot.com/wiki/images/7/75/Battery_backup.jpg" descriptionurl="http://cajunbot.com/wiki/File:Battery_backup.jpg" ns="6" title="File:Battery backup.jpg" />
      <img name="Bicycle.png" timestamp="2009-07-15T18:27:07Z" url="http://cajunbot.com/wiki/images/e/e0/Bicycle.png" descriptionurl="http://cajunbot.com/wiki/File:Bicycle.png" ns="6" title="File:Bicycle.png" />
      <img name="Brake_motor.jpg" timestamp="2010-02-15T21:11:09Z" url="http://cajunbot.com/wiki/images/c/ca/Brake_motor.jpg" descriptionurl="http://cajunbot.com/wiki/File:Brake_motor.jpg" ns="6" title="File:Brake motor.jpg" />
      <img name="Bridged_multicast_group.png" timestamp="2009-07-08T14:23:04Z" url="http://cajunbot.com/wiki/images/8/84/Bridged_multicast_group.png" descriptionurl="http://cajunbot.com/wiki/File:Bridged_multicast_group.png" ns="6" title="File:Bridged multicast group.png" />
      <img name="Bugzilla_guide.pdf" timestamp="2009-06-30T20:21:40Z" url="http://cajunbot.com/wiki/images/3/3f/Bugzilla_guide.pdf" descriptionurl="http://cajunbot.com/wiki/File:Bugzilla_guide.pdf" ns="6" title="File:Bugzilla guide.pdf" />
      <img name="Bulbgraph.png" timestamp="2009-08-03T16:30:26Z" url="http://cajunbot.com/wiki/images/6/60/Bulbgraph.png" descriptionurl="http://cajunbot.com/wiki/File:Bulbgraph.png" ns="6" title="File:Bulbgraph.png" />
      <img name="CAT0103_-_PCL601_stepper_controllerProduct_Sheet.pdf" timestamp="2009-07-16T19:27:37Z" url="http://cajunbot.com/wiki/images/8/8e/CAT0103_-_PCL601_stepper_controllerProduct_Sheet.pdf" descriptionurl="http://cajunbot.com/wiki/File:CAT0103_-_PCL601_stepper_controllerProduct_Sheet.pdf" ns="6" title="File:CAT0103 - PCL601 stepper controllerProduct Sheet.pdf" />
    </allimages>
  </query>
</api>