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>
    <allpages apcontinue="Digitaalisen_äänitteen_arkistokopion_tallentaminen" />
  </query-continue>
  <query>
    <allpages>
      <p pageid="12" ns="0" title="Bittien ja sisällön säilyttäminen" />
      <p pageid="356" ns="0" title="Blu-Ray formaatista" />
      <p pageid="187" ns="0" title="C-kasetin digitointiohjeet" />
      <p pageid="78" ns="0" title="C-kasettien ekvalisointistandardit" />
      <p pageid="504" ns="0" title="Call for papers (deadline Nov. 15, 2011): IFLA preconference “The Electronic Re-evolution - News Media in the Digital Age”" />
      <p pageid="13" ns="0" title="DNG" />
      <p pageid="14" ns="0" title="Demagnetisointi" />
      <p pageid="15" ns="0" title="Desibeliasteikko" />
      <p pageid="16" ns="0" title="DigiWiki" />
      <p pageid="17" ns="0" title="DigiWiki etusivu" />
    </allpages>
  </query>
</api>