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>
    <allredirects garcontinue="Barbora_Šedivá|6691" />
  </query-continue>
  <query>
    <pages>
      <page pageid="2632" ns="0" title="Bek" />
      <page pageid="3760" ns="0" title="Béla Balázs Stúdió" />
      <page pageid="5857" ns="0" title="Béla Balázs Studio" />
      <page pageid="6206" ns="0" title="Banska Bystrica" />
      <page pageid="6960" ns="0" title="Barla" />
      <page pageid="9668" ns="0" title="Barbara Thoens" />
      <page pageid="15376" ns="0" title="Balázs Béla Stúdió" />
      <page pageid="20816" ns="0" title="Bergen Center for Electronic Art" />
      <page pageid="22676" ns="0" title="Balazs Bodo" />
      <page pageid="26741" ns="0" title="Barbora Namerova" />
    </pages>
  </query>
</api>