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="20160310184021|Active_Directory_Structure_Guidelines-Part1d.pdf" />
  </query-continue>
  <query>
    <allimages>
      <img name="Aa1f63f1ca625de910d4393b79eb4c18d066c194413a238e551a283372bc0125.jpg" timestamp="2019-09-05T18:34:33Z" user="Ledhed" url="https://wiki.ledhed.net/images/Aa1f63f1ca625de910d4393b79eb4c18d066c194413a238e551a283372bc0125.jpg" descriptionurl="https://wiki.ledhed.net/index.php?title=File:Aa1f63f1ca625de910d4393b79eb4c18d066c194413a238e551a283372bc0125.jpg" ns="6" title="File:Aa1f63f1ca625de910d4393b79eb4c18d066c194413a238e551a283372bc0125.jpg" />
      <img name="FindUsers.jpg" timestamp="2018-03-21T21:39:26Z" user="Ledhed" url="https://wiki.ledhed.net/images/FindUsers.jpg" descriptionurl="https://wiki.ledhed.net/index.php?title=File:FindUsers.jpg" ns="6" title="File:FindUsers.jpg" />
      <img name="ExplorerNetworkOptions.jpg" timestamp="2018-03-21T21:39:10Z" user="Ledhed" url="https://wiki.ledhed.net/images/ExplorerNetworkOptions.jpg" descriptionurl="https://wiki.ledhed.net/index.php?title=File:ExplorerNetworkOptions.jpg" ns="6" title="File:ExplorerNetworkOptions.jpg" />
      <img name="LogRotate.zip" timestamp="2016-08-13T00:34:29Z" user="Ledhed" url="https://wiki.ledhed.net/images/LogRotate.zip" descriptionurl="https://wiki.ledhed.net/index.php?title=File:LogRotate.zip" ns="6" title="File:LogRotate.zip" />
      <img name="Microsoft_Active_Directory_Best_Practice_Part2.pdf" timestamp="2016-03-10T20:06:45Z" user="Ledhed" url="https://wiki.ledhed.net/images/Microsoft_Active_Directory_Best_Practice_Part2.pdf" descriptionurl="https://wiki.ledhed.net/index.php?title=File:Microsoft_Active_Directory_Best_Practice_Part2.pdf" ns="6" title="File:Microsoft Active Directory Best Practice Part2.pdf" />
      <img name="Microsoft_Active_Directory_Best_Practice_Part1.pdf" timestamp="2016-03-10T20:06:32Z" user="Ledhed" url="https://wiki.ledhed.net/images/Microsoft_Active_Directory_Best_Practice_Part1.pdf" descriptionurl="https://wiki.ledhed.net/index.php?title=File:Microsoft_Active_Directory_Best_Practice_Part1.pdf" ns="6" title="File:Microsoft Active Directory Best Practice Part1.pdf" />
      <img name="Best_Practices_for_the_Default_Domain_Policy_and_the_Default_Domain_Controllers_Policy_GPOs.pdf" timestamp="2016-03-10T18:56:46Z" user="Ledhed" url="https://wiki.ledhed.net/images/Best_Practices_for_the_Default_Domain_Policy_and_the_Default_Domain_Controllers_Policy_GPOs.pdf" descriptionurl="https://wiki.ledhed.net/index.php?title=File:Best_Practices_for_the_Default_Domain_Policy_and_the_Default_Domain_Controllers_Policy_GPOs.pdf" ns="6" title="File:Best Practices for the Default Domain Policy and the Default Domain Controllers Policy GPOs.pdf" />
      <img name="TechNet-Establishing_Group_Policy_Operational_Guidelines.pdf" timestamp="2016-03-10T18:52:37Z" user="Ledhed" url="https://wiki.ledhed.net/images/TechNet-Establishing_Group_Policy_Operational_Guidelines.pdf" descriptionurl="https://wiki.ledhed.net/index.php?title=File:TechNet-Establishing_Group_Policy_Operational_Guidelines.pdf" ns="6" title="File:TechNet-Establishing Group Policy Operational Guidelines.pdf" />
      <img name="Group_Policy_Design_Guidelines-Part2b.pdf" timestamp="2016-03-10T18:42:48Z" user="Ledhed" url="https://wiki.ledhed.net/images/Group_Policy_Design_Guidelines-Part2b.pdf" descriptionurl="https://wiki.ledhed.net/index.php?title=File:Group_Policy_Design_Guidelines-Part2b.pdf" ns="6" title="File:Group Policy Design Guidelines-Part2b.pdf" />
      <img name="Group_Policy_Design_Guidelines-Part2a.pdf" timestamp="2016-03-10T18:42:39Z" user="Ledhed" url="https://wiki.ledhed.net/images/Group_Policy_Design_Guidelines-Part2a.pdf" descriptionurl="https://wiki.ledhed.net/index.php?title=File:Group_Policy_Design_Guidelines-Part2a.pdf" ns="6" title="File:Group Policy Design Guidelines-Part2a.pdf" />
    </allimages>
  </query>
</api>