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>
    <alllinks galcontinue="Bezhlavy_jezdec|1119" />
  </query-continue>
  <query>
    <pages>
      <page pageid="725" ns="0" title="PP body" />
      <page pageid="919" ns="0" title="Hlasování pro server" />
      <page pageid="989" ns="0" title="Mount system" />
      <page pageid="1118" ns="0" title="Halloweensky zeton" />
      <page pageid="2008" ns="14" title="Kategorie:Štíty" />
      <page pageid="2049" ns="0" title="Klic k hlasovaci truhle" />
      <page pageid="2058" ns="14" title="Kategorie:RPG předměty" />
      <page pageid="2078" ns="0" title="Premium PP klic" />
      <page pageid="2177" ns="0" title="Jezdecky kun belous" />
      <page pageid="2355" ns="0" title="Vánoční event 2021" />
    </pages>
  </query>
</api>