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="Battlecloak.gif" timestamp="2013-01-30T10:53:31Z" url="http://wiki.irod.com/images/7/75/Battlecloak.gif" descriptionurl="http://wiki.irod.com/index.php/%D0%A4%D0%B0%D0%B9%D0%BB:Battlecloak.gif" ns="6" title="Файл:Battlecloak.gif" />
      <img name="Beans.png" timestamp="2013-03-05T12:30:21Z" url="http://wiki.irod.com/images/9/9f/Beans.png" descriptionurl="http://wiki.irod.com/index.php/%D0%A4%D0%B0%D0%B9%D0%BB:Beans.png" ns="6" title="Файл:Beans.png" />
      <img name="Beheading_Axe.png" timestamp="2013-01-14T16:52:06Z" url="http://wiki.irod.com/images/d/dc/Beheading_Axe.png" descriptionurl="http://wiki.irod.com/index.php/%D0%A4%D0%B0%D0%B9%D0%BB:Beheading_Axe.png" ns="6" title="Файл:Beheading Axe.png" />
      <img name="Beheading_Axe_of_Fury.png" timestamp="2013-02-01T10:40:30Z" url="http://wiki.irod.com/images/4/49/Beheading_Axe_of_Fury.png" descriptionurl="http://wiki.irod.com/index.php/%D0%A4%D0%B0%D0%B9%D0%BB:Beheading_Axe_of_Fury.png" ns="6" title="Файл:Beheading Axe of Fury.png" />
      <img name="Belgutei.jpg" timestamp="2012-12-28T12:24:14Z" url="http://wiki.irod.com/images/d/d9/Belgutei.jpg" descriptionurl="http://wiki.irod.com/index.php/%D0%A4%D0%B0%D0%B9%D0%BB:Belgutei.jpg" ns="6" title="Файл:Belgutei.jpg" />
      <img name="Belgutei_face.jpg" timestamp="2012-12-28T12:24:34Z" url="http://wiki.irod.com/images/c/c9/Belgutei_face.jpg" descriptionurl="http://wiki.irod.com/index.php/%D0%A4%D0%B0%D0%B9%D0%BB:Belgutei_face.jpg" ns="6" title="Файл:Belgutei face.jpg" />
      <img name="Beltofzeus.gif" timestamp="2013-01-30T11:23:29Z" url="http://wiki.irod.com/images/4/46/Beltofzeus.gif" descriptionurl="http://wiki.irod.com/index.php/%D0%A4%D0%B0%D0%B9%D0%BB:Beltofzeus.gif" ns="6" title="Файл:Beltofzeus.gif" />
      <img name="Big_Sleigh.gif" timestamp="2013-01-30T10:01:23Z" url="http://wiki.irod.com/images/d/d3/Big_Sleigh.gif" descriptionurl="http://wiki.irod.com/index.php/%D0%A4%D0%B0%D0%B9%D0%BB:Big_Sleigh.gif" ns="6" title="Файл:Big Sleigh.gif" />
      <img name="Bl73.gif" timestamp="2016-11-16T10:47:07Z" url="http://wiki.irod.com/images/7/7a/Bl73.gif" descriptionurl="http://wiki.irod.com/index.php/%D0%A4%D0%B0%D0%B9%D0%BB:Bl73.gif" ns="6" title="Файл:Bl73.gif" />
      <img name="Black_Charging_Horse.gif" timestamp="2013-01-14T15:42:37Z" url="http://wiki.irod.com/images/f/f5/Black_Charging_Horse.gif" descriptionurl="http://wiki.irod.com/index.php/%D0%A4%D0%B0%D0%B9%D0%BB:Black_Charging_Horse.gif" ns="6" title="Файл:Black Charging Horse.gif" />
    </allimages>
  </query>
  <query-continue>
    <allimages aicontinue="Black_Gold_Ring.gif" />
  </query-continue>
</api>