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="2929" ns="0" title="B" />
      <p pageid="26359" ns="0" title="BALLARDZABEL865" />
      <p pageid="23297" ns="0" title="BASKILI BALON NERDE" />
      <p pageid="16285" ns="0" title="BB8300RIM" />
      <p pageid="33267" ns="0" title="BBW Dating for Large Singles" />
      <p pageid="33447" ns="0" title="BBW Dating for Plus Singles" />
      <p pageid="5317" ns="0" title="BB Queen012 if you music follow DubTrackvJiF 32" />
      <p pageid="18731" ns="0" title="BITCOIN Is KING 89" />
      <p pageid="1415" ns="0" title="BTW my brother cut his locks away For real Rocking the low hair 89" />
      <p pageid="28252" ns="0" title="BVCuresreview8" />
    </allpages>
  </query>
  <query-continue>
    <allpages apfrom="B Major" />
  </query-continue>
</api>