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="B1002_Left.png" />
  </query-continue>
  <query>
    <allimages>
      <img name="B0.png" timestamp="2015-06-25T15:04:22Z" url="https://wiki.everybodyedits.com/images/a/a8/B0.png" descriptionurl="https://wiki.everybodyedits.com/File:B0.png" ns="6" title="File:B0.png" />
      <img name="B1.png" timestamp="2015-06-25T15:04:23Z" url="https://wiki.everybodyedits.com/images/2/2b/B1.png" descriptionurl="https://wiki.everybodyedits.com/File:B1.png" ns="6" title="File:B1.png" />
      <img name="B10.png" timestamp="2015-06-25T15:04:23Z" url="https://wiki.everybodyedits.com/images/9/95/B10.png" descriptionurl="https://wiki.everybodyedits.com/File:B10.png" ns="6" title="File:B10.png" />
      <img name="B100.gif" timestamp="2015-06-25T15:11:15Z" url="https://wiki.everybodyedits.com/images/7/79/B100.gif" descriptionurl="https://wiki.everybodyedits.com/File:B100.gif" ns="6" title="File:B100.gif" />
      <img name="B1000.png" timestamp="2015-06-25T15:04:24Z" url="https://wiki.everybodyedits.com/images/e/eb/B1000.png" descriptionurl="https://wiki.everybodyedits.com/File:B1000.png" ns="6" title="File:B1000.png" />
      <img name="B1001_Down.png" timestamp="2015-06-25T15:04:24Z" url="https://wiki.everybodyedits.com/images/e/e7/B1001_Down.png" descriptionurl="https://wiki.everybodyedits.com/File:B1001_Down.png" ns="6" title="File:B1001 Down.png" />
      <img name="B1001_Left.png" timestamp="2015-06-25T15:04:25Z" url="https://wiki.everybodyedits.com/images/c/c9/B1001_Left.png" descriptionurl="https://wiki.everybodyedits.com/File:B1001_Left.png" ns="6" title="File:B1001 Left.png" />
      <img name="B1001_Right.png" timestamp="2015-06-25T15:04:25Z" url="https://wiki.everybodyedits.com/images/8/82/B1001_Right.png" descriptionurl="https://wiki.everybodyedits.com/File:B1001_Right.png" ns="6" title="File:B1001 Right.png" />
      <img name="B1001_Up.png" timestamp="2015-06-25T15:04:26Z" url="https://wiki.everybodyedits.com/images/d/d4/B1001_Up.png" descriptionurl="https://wiki.everybodyedits.com/File:B1001_Up.png" ns="6" title="File:B1001 Up.png" />
      <img name="B1002_Down.png" timestamp="2015-06-25T15:04:27Z" url="https://wiki.everybodyedits.com/images/0/07/B1002_Down.png" descriptionurl="https://wiki.everybodyedits.com/File:B1002_Down.png" ns="6" title="File:B1002 Down.png" />
    </allimages>
  </query>
</api>