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 aistart="2023-09-11T06:31:19Z" />
  </query-continue>
  <query>
    <allimages>
      <img name="Skjold_1844.jpg" timestamp="2024-04-22T15:12:18Z" user="Cemifor" url="http://www.vejlewiki.dk/images/c/cb/Skjold_1844.jpg" descriptionurl="http://www.vejlewiki.dk/index.php?title=Fil:Skjold_1844.jpg" ns="6" title="Fil:Skjold 1844.jpg" />
      <img name="Berlingske_Tidende_23.08.1843.JPG" timestamp="2024-02-29T07:00:39Z" user="Totte" url="http://www.vejlewiki.dk/images/0/06/Berlingske_Tidende_23.08.1843.JPG" descriptionurl="http://www.vejlewiki.dk/index.php?title=Fil:Berlingske_Tidende_23.08.1843.JPG" ns="6" title="Fil:Berlingske Tidende 23.08.1843.JPG" />
      <img name="B56504.JPG" timestamp="2023-12-06T18:18:58Z" user="Totte" url="http://www.vejlewiki.dk/images/e/ea/B56504.JPG" descriptionurl="http://www.vejlewiki.dk/index.php?title=Fil:B56504.JPG" ns="6" title="Fil:B56504.JPG" />
      <img name="Scapiglione.JPG" timestamp="2023-11-19T08:05:56Z" user="Totte" url="http://www.vejlewiki.dk/images/1/19/Scapiglione.JPG" descriptionurl="http://www.vejlewiki.dk/index.php?title=Fil:Scapiglione.JPG" ns="6" title="Fil:Scapiglione.JPG" />
      <img name="Nap01.JPG" timestamp="2023-10-10T16:25:24Z" user="Cemifor" url="http://www.vejlewiki.dk/images/5/59/Nap01.JPG" descriptionurl="http://www.vejlewiki.dk/index.php?title=Fil:Nap01.JPG" ns="6" title="Fil:Nap01.JPG" />
      <img name="Nap02.JPG" timestamp="2023-10-10T16:25:00Z" user="Cemifor" url="http://www.vejlewiki.dk/images/1/1f/Nap02.JPG" descriptionurl="http://www.vejlewiki.dk/index.php?title=Fil:Nap02.JPG" ns="6" title="Fil:Nap02.JPG" />
      <img name="Diplom_helena_2.jpg" timestamp="2023-09-11T18:32:40Z" user="Cemifor" url="http://www.vejlewiki.dk/images/8/8f/Diplom_helena_2.jpg" descriptionurl="http://www.vejlewiki.dk/index.php?title=Fil:Diplom_helena_2.jpg" ns="6" title="Fil:Diplom helena 2.jpg" />
      <img name="Diplom_helena.jpg" timestamp="2023-09-11T18:29:02Z" user="Cemifor" url="http://www.vejlewiki.dk/images/b/b8/Diplom_helena.jpg" descriptionurl="http://www.vejlewiki.dk/index.php?title=Fil:Diplom_helena.jpg" ns="6" title="Fil:Diplom helena.jpg" />
      <img name="Ooerum_helena.JPG" timestamp="2023-09-11T15:45:27Z" user="Cemifor" url="http://www.vejlewiki.dk/images/b/b9/Ooerum_helena.JPG" descriptionurl="http://www.vejlewiki.dk/index.php?title=Fil:Ooerum_helena.JPG" ns="6" title="Fil:Ooerum helena.JPG" />
      <img name="Ørum_diplom_helena_1858.jpg.JPG" timestamp="2023-09-11T15:22:05Z" user="Cemifor" url="http://www.vejlewiki.dk/images/3/38/%C3%98rum_diplom_helena_1858.jpg.JPG" descriptionurl="http://www.vejlewiki.dk/index.php?title=Fil:%C3%98rum_diplom_helena_1858.jpg.JPG" ns="6" title="Fil:Ørum diplom helena 1858.jpg.JPG" />
    </allimages>
  </query>
</api>