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="20140212155744|CA_Console_Compilation_Running.png" />
  </query-continue>
  <query>
    <allimages>
      <img name="CA_Cluster_Context_Menu.png" timestamp="2014-03-20T13:55:42Z" user="Stefan" url="https://dev.eiffel.com/upload/2/2a/CA_Cluster_Context_Menu.png" descriptionurl="https://dev.eiffel.com/File:CA_Cluster_Context_Menu.png" ns="6" title="File:CA Cluster Context Menu.png" />
      <img name="CA_Class_Context_Menu.png" timestamp="2014-03-20T13:55:12Z" user="Stefan" url="https://dev.eiffel.com/upload/0/0b/CA_Class_Context_Menu.png" descriptionurl="https://dev.eiffel.com/File:CA_Class_Context_Menu.png" ns="6" title="File:CA Class Context Menu.png" />
      <img name="CA_Analysis_Buttons.png" timestamp="2014-03-20T13:54:31Z" user="Stefan" url="https://dev.eiffel.com/upload/b/b2/CA_Analysis_Buttons.png" descriptionurl="https://dev.eiffel.com/File:CA_Analysis_Buttons.png" ns="6" title="File:CA Analysis Buttons.png" />
      <img name="CA_Sample_Results.png" timestamp="2014-03-20T13:53:48Z" user="Stefan" url="https://dev.eiffel.com/upload/7/79/CA_Sample_Results.png" descriptionurl="https://dev.eiffel.com/File:CA_Sample_Results.png" ns="6" title="File:CA Sample Results.png" />
      <img name="CA_Preferences_Dialog.png" timestamp="2014-03-20T13:53:01Z" user="Stefan" url="https://dev.eiffel.com/upload/4/4d/CA_Preferences_Dialog.png" descriptionurl="https://dev.eiffel.com/File:CA_Preferences_Dialog.png" ns="6" title="File:CA Preferences Dialog.png" />
      <img name="CA_Framework_Diagram.png" timestamp="2014-03-07T17:37:28Z" user="Stefan" url="https://dev.eiffel.com/upload/b/b8/CA_Framework_Diagram.png" descriptionurl="https://dev.eiffel.com/File:CA_Framework_Diagram.png" ns="6" title="File:CA Framework Diagram.png" />
      <img name="CA_GUI_Diagram.png" timestamp="2014-03-07T17:02:21Z" user="Stefan" url="https://dev.eiffel.com/upload/d/d3/CA_GUI_Diagram.png" descriptionurl="https://dev.eiffel.com/File:CA_GUI_Diagram.png" ns="6" title="File:CA GUI Diagram.png" />
      <img name="CA_Fixing.png" timestamp="2014-02-18T13:31:19Z" user="Stefan" url="https://dev.eiffel.com/upload/1/12/CA_Fixing.png" descriptionurl="https://dev.eiffel.com/File:CA_Fixing.png" ns="6" title="File:CA Fixing.png" />
      <img name="CA_Rule_Preferences.png" timestamp="2014-02-18T13:30:52Z" user="Stefan" url="https://dev.eiffel.com/upload/6/6d/CA_Rule_Preferences.png" descriptionurl="https://dev.eiffel.com/File:CA_Rule_Preferences.png" ns="6" title="File:CA Rule Preferences.png" />
      <img name="CA_Console_Code_Analysis_Results.png" timestamp="2014-02-12T15:58:42Z" user="Stefan" url="https://dev.eiffel.com/upload/4/41/CA_Console_Code_Analysis_Results.png" descriptionurl="https://dev.eiffel.com/File:CA_Console_Code_Analysis_Results.png" ns="6" title="File:CA Console Code Analysis Results.png" />
    </allimages>
  </query>
</api>