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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.
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<?xml version="1.0"?>
<api>
  <query-continue>
    <allimages aicontinue="BIER_Figure3.jpeg" />
  </query-continue>
  <query>
    <allimages>
      <img name="BGP-overall.png" timestamp="2014-09-10T11:53:58Z" url="https://wiki-archive.opendaylight.org/images/d/da/BGP-overall.png" descriptionurl="https://wiki-archive.opendaylight.org/view/File:BGP-overall.png" ns="6" title="File:BGP-overall.png" />
      <img name="BGPCEP-ODL_Mini-Summit_2016.pptx" timestamp="2016-07-07T02:57:58Z" url="https://wiki-archive.opendaylight.org/images/f/f0/BGPCEP-ODL_Mini-Summit_2016.pptx" descriptionurl="https://wiki-archive.opendaylight.org/view/File:BGPCEP-ODL_Mini-Summit_2016.pptx" ns="6" title="File:BGPCEP-ODL Mini-Summit 2016.pptx" />
      <img name="BGPCEP_20131212.pptx" timestamp="2013-12-12T17:32:07Z" url="https://wiki-archive.opendaylight.org/images/6/60/BGPCEP_20131212.pptx" descriptionurl="https://wiki-archive.opendaylight.org/view/File:BGPCEP_20131212.pptx" ns="6" title="File:BGPCEP 20131212.pptx" />
      <img name="BGP_and_PCEP_Kibana.png" timestamp="2018-09-20T20:48:30Z" url="https://wiki-archive.opendaylight.org/images/9/9a/BGP_and_PCEP_Kibana.png" descriptionurl="https://wiki-archive.opendaylight.org/view/File:BGP_and_PCEP_Kibana.png" ns="6" title="File:BGP and PCEP Kibana.png" />
      <img name="BIER_APP.jpeg" timestamp="2017-06-02T03:15:40Z" url="https://wiki-archive.opendaylight.org/images/9/94/BIER_APP.jpeg" descriptionurl="https://wiki-archive.opendaylight.org/view/File:BIER_APP.jpeg" ns="6" title="File:BIER APP.jpeg" />
      <img name="BIER_APP_Figure.jpeg" timestamp="2017-06-16T02:49:01Z" url="https://wiki-archive.opendaylight.org/images/2/22/BIER_APP_Figure.jpeg" descriptionurl="https://wiki-archive.opendaylight.org/view/File:BIER_APP_Figure.jpeg" ns="6" title="File:BIER APP Figure.jpeg" />
      <img name="BIER_APP_Figure.png" timestamp="2017-06-02T05:23:48Z" url="https://wiki-archive.opendaylight.org/images/f/fb/BIER_APP_Figure.png" descriptionurl="https://wiki-archive.opendaylight.org/view/File:BIER_APP_Figure.png" ns="6" title="File:BIER APP Figure.png" />
      <img name="BIER_APP_Figure1.jpeg" timestamp="2017-06-02T03:21:01Z" url="https://wiki-archive.opendaylight.org/images/3/3d/BIER_APP_Figure1.jpeg" descriptionurl="https://wiki-archive.opendaylight.org/view/File:BIER_APP_Figure1.jpeg" ns="6" title="File:BIER APP Figure1.jpeg" />
      <img name="BIER_Figure1.jpeg" timestamp="2016-10-17T11:48:20Z" url="https://wiki-archive.opendaylight.org/images/5/59/BIER_Figure1.jpeg" descriptionurl="https://wiki-archive.opendaylight.org/view/File:BIER_Figure1.jpeg" ns="6" title="File:BIER Figure1.jpeg" />
      <img name="BIER_Figure2.jpeg" timestamp="2016-10-17T11:54:41Z" url="https://wiki-archive.opendaylight.org/images/7/7a/BIER_Figure2.jpeg" descriptionurl="https://wiki-archive.opendaylight.org/view/File:BIER_Figure2.jpeg" ns="6" title="File:BIER Figure2.jpeg" />
    </allimages>
  </query>
</api>