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 gaicontinue="2024-05-12_Erik_Krage_og_Inge_Merete_Christensen_foran_LivetsTrae_EmmersbaekKirke.jpg" />
  </query-continue>
  <query>
    <pages>
      <page ns="6" title="Fil:10423653 1606786346265515 1716932782950026094 n (1).jpg" missing="" />
      <page ns="6" title="Fil:12670871 10153538229012800 3369935334735259441 n.jpg" missing="" />
      <page pageid="114" ns="6" title="Fil:1816matrikelhorne.jpg" />
      <page pageid="1505027" ns="6" title="Fil:1905 VHM-B-23-836.jpg" />
      <page pageid="1504965" ns="6" title="Fil:1976-06-13VendsysselTidende HorneBageri solgt.png" />
      <page pageid="1505051" ns="6" title="Fil:1979-07-10 VendsysselTidende Hiorne Sognegaard.jpg" />
      <page pageid="1505010" ns="6" title="Fil:1981-10-13 AalborgStiftstidende Horne90aar.jpg" />
      <page pageid="1505003" ns="6" title="Fil:1982-02-15 KurtAndersen afsloerer Noerkjaer paa HorneUngdomsskole.jpg" />
      <page pageid="1505000" ns="6" title="Fil:2008-08-22 Nordjyske Horne-faar-80-100-nye-boliger.png" />
      <page pageid="1504953" ns="6" title="Fil:2023-01-23 DR i HorneKirke.jpg" />
    </pages>
  </query>
</api>