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>
    <alltransclusions gatcontinue="Munition_Box_Template" />
  </query-continue>
  <query>
    <pages>
      <page ns="10" title="Vorlage:Kleidung2 Template \n" missing="" />
      <page pageid="1629" ns="10" title="Vorlage:Crafting2 Template" />
      <page pageid="312" ns="10" title="Vorlage:Crafting Template" />
      <page pageid="877" ns="10" title="Vorlage:Erste Hilfe Template" />
      <page pageid="1688" ns="10" title="Vorlage:Fahrzeug Box Template" />
      <page pageid="1686" ns="10" title="Vorlage:Fahrzeug Template" />
      <page pageid="957" ns="10" title="Vorlage:Giftig" />
      <page pageid="1569" ns="10" title="Vorlage:Kleidung2 Template" />
      <page pageid="248" ns="10" title="Vorlage:Kleidung Box Template" />
      <page pageid="246" ns="10" title="Vorlage:Kleidung Template" />
    </pages>
  </query>
</api>