You are looking at the HTML representation of the XML format.
HTML is good for debugging, but probably is not suitable for your application.
See complete documentation, or API help for more information. 
<?xml version="1.0"?>
<api>
  <query>
    <allpages>
      <p pageid="107" ns="0" title="Babánek Josef" />
      <p pageid="216" ns="0" title="Baloun Jan" />
      <p pageid="200" ns="0" title="Barborka Zdeněk" />
      <p pageid="109" ns="0" title="Bartovský Josef" />
      <p pageid="509" ns="0" title="Bastl Jaroslav" />
      <p pageid="118" ns="0" title="Beneda Václav" />
      <p pageid="510" ns="0" title="Bezděka Vladimír" />
      <p pageid="511" ns="0" title="Blahout Ivo" />
      <p pageid="35" ns="0" title="Bluďovský Zdeněk" />
      <p pageid="512" ns="0" title="Borek Ivan" />
    </allpages>
  </query>
  <query-continue>
    <allpages apfrom="Borek u Rokycan" />
  </query-continue>
</api>