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="BANNER_WOTW.PNG" timestamp="2010-09-04T08:21:46Z" url="https://www.slightlymagic.net/mw/images/9/94/BANNER_WOTW.PNG" descriptionurl="https://www.slightlymagic.net/wiki/File:BANNER_WOTW.PNG" ns="6" title="File:BANNER WOTW.PNG" />
      <img name="Begin.jpg" timestamp="2013-10-15T06:38:17Z" url="https://www.slightlymagic.net/mw/images/b/b9/Begin.jpg" descriptionurl="https://www.slightlymagic.net/wiki/File:Begin.jpg" ns="6" title="File:Begin.jpg" />
      <img name="Bink_settings.jpg" timestamp="2013-10-15T06:40:34Z" url="https://www.slightlymagic.net/mw/images/2/26/Bink_settings.jpg" descriptionurl="https://www.slightlymagic.net/wiki/File:Bink_settings.jpg" ns="6" title="File:Bink settings.jpg" />
      <img name="Binkit.jpg" timestamp="2013-10-15T06:40:13Z" url="https://www.slightlymagic.net/mw/images/4/44/Binkit.jpg" descriptionurl="https://www.slightlymagic.net/wiki/File:Binkit.jpg" ns="6" title="File:Binkit.jpg" />
      <img name="Blood_Knight_CHP.jpg" timestamp="2007-09-17T17:26:18Z" url="https://www.slightlymagic.net/mw/images/3/3f/Blood_Knight_CHP.jpg" descriptionurl="https://www.slightlymagic.net/wiki/File:Blood_Knight_CHP.jpg" ns="6" title="File:Blood Knight CHP.jpg" />
      <img name="Capture.PNG" timestamp="2014-01-21T01:23:22Z" url="https://www.slightlymagic.net/mw/images/c/c7/Capture.PNG" descriptionurl="https://www.slightlymagic.net/wiki/File:Capture.PNG" ns="6" title="File:Capture.PNG" />
      <img name="Cardxml.jpg" timestamp="2013-10-15T06:41:46Z" url="https://www.slightlymagic.net/mw/images/a/a6/Cardxml.jpg" descriptionurl="https://www.slightlymagic.net/wiki/File:Cardxml.jpg" ns="6" title="File:Cardxml.jpg" />
      <img name="Concise_csv_load.png" timestamp="2009-03-05T14:48:13Z" url="https://www.slightlymagic.net/mw/images/9/94/Concise_csv_load.png" descriptionurl="https://www.slightlymagic.net/wiki/File:Concise_csv_load.png" ns="6" title="File:Concise csv load.png" />
      <img name="Concise_csv_save.png" timestamp="2009-03-05T14:48:59Z" url="https://www.slightlymagic.net/mw/images/9/95/Concise_csv_save.png" descriptionurl="https://www.slightlymagic.net/wiki/File:Concise_csv_save.png" ns="6" title="File:Concise csv save.png" />
      <img name="Configure-git-repo.png" timestamp="2011-07-24T22:08:46Z" url="https://www.slightlymagic.net/mw/images/3/37/Configure-git-repo.png" descriptionurl="https://www.slightlymagic.net/wiki/File:Configure-git-repo.png" ns="6" title="File:Configure-git-repo.png" />
    </allimages>
  </query>
  <query-continue>
    <allimages aicontinue="Configure-git-repo2.png" />
  </query-continue>
</api>