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="15" ns="0" title="BIL 101E" />
      <p pageid="207" ns="0" title="BLG 231E" />
      <p pageid="101" ns="0" title="Dersler" />
      <p pageid="1037" ns="0" title="EHB 101E" />
      <p pageid="677" ns="0" title="EHB 205E" />
      <p pageid="100" ns="0" title="EHB 211E" />
      <p pageid="63" ns="0" title="EHB 262" />
      <p pageid="14" ns="0" title="EHB 262E" />
      <p pageid="1038" ns="0" title="EHB 322E" />
      <p pageid="743" ns="0" title="EHB 322E-M" />
    </allpages>
  </query>
  <query-continue>
    <allpages apfrom="EHB 322E-T" />
  </query-continue>
</api>