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="Company_overview.png" />
  </query-continue>
  <query>
    <allimages>
      <img name="Bug_pic1.png" timestamp="2011-12-29T14:39:06Z" url="https://wiki.tutos.org/images/5/52/Bug_pic1.png" descriptionurl="https://wiki.tutos.org/index.php/File:Bug_pic1.png" ns="6" title="File:Bug pic1.png" />
      <img name="Bug_pic2.png" timestamp="2004-06-13T16:30:47Z" url="https://wiki.tutos.org/images/7/78/Bug_pic2.png" descriptionurl="https://wiki.tutos.org/index.php/File:Bug_pic2.png" ns="6" title="File:Bug pic2.png" />
      <img name="Bug_pic3.png" timestamp="2011-12-29T14:40:50Z" url="https://wiki.tutos.org/images/6/62/Bug_pic3.png" descriptionurl="https://wiki.tutos.org/index.php/File:Bug_pic3.png" ns="6" title="File:Bug pic3.png" />
      <img name="Bug_pic4.png" timestamp="2011-12-29T14:43:14Z" url="https://wiki.tutos.org/images/f/f8/Bug_pic4.png" descriptionurl="https://wiki.tutos.org/index.php/File:Bug_pic4.png" ns="6" title="File:Bug pic4.png" />
      <img name="Bug_pic5.png" timestamp="2011-12-29T14:44:54Z" url="https://wiki.tutos.org/images/1/12/Bug_pic5.png" descriptionurl="https://wiki.tutos.org/index.php/File:Bug_pic5.png" ns="6" title="File:Bug pic5.png" />
      <img name="Bug_pic6.png" timestamp="2010-03-26T08:22:08Z" url="https://wiki.tutos.org/images/0/07/Bug_pic6.png" descriptionurl="https://wiki.tutos.org/index.php/File:Bug_pic6.png" ns="6" title="File:Bug pic6.png" />
      <img name="Bug_pic7.png" timestamp="2010-03-26T08:21:08Z" url="https://wiki.tutos.org/images/6/64/Bug_pic7.png" descriptionurl="https://wiki.tutos.org/index.php/File:Bug_pic7.png" ns="6" title="File:Bug pic7.png" />
      <img name="Bug_pic8.png" timestamp="2011-12-29T14:46:20Z" url="https://wiki.tutos.org/images/b/bd/Bug_pic8.png" descriptionurl="https://wiki.tutos.org/index.php/File:Bug_pic8.png" ns="6" title="File:Bug pic8.png" />
      <img name="Bug_pic9.png" timestamp="2004-06-13T16:51:15Z" url="https://wiki.tutos.org/images/3/33/Bug_pic9.png" descriptionurl="https://wiki.tutos.org/index.php/File:Bug_pic9.png" ns="6" title="File:Bug pic9.png" />
      <img name="Cia.png" timestamp="2011-12-29T13:32:04Z" url="https://wiki.tutos.org/images/9/93/Cia.png" descriptionurl="https://wiki.tutos.org/index.php/File:Cia.png" ns="6" title="File:Cia.png" />
    </allimages>
  </query>
</api>