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="100" ns="0" title="D밴" />
      <p pageid="67" ns="0" title="Jongsin0122의 오타로 생겨난 차" />
      <p pageid="275" ns="0" title="N1호선" />
      <p pageid="95" ns="0" title="Oakenburn" />
      <p pageid="203" ns="0" title="Oakenburn 카르스대테러사건" />
      <p pageid="11" ns="0" title="RealHoon" />
      <p pageid="109" ns="0" title="SATA" />
      <p pageid="295" ns="0" title="STX" />
      <p pageid="38" ns="0" title="VOX" />
      <p pageid="269" ns="0" title="개요" />
    </allpages>
  </query>
  <query-continue>
    <allpages apfrom="고구려" />
  </query-continue>
</api>