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>
    <pageswithprop>
      <page pageid="1939" ns="0" title="Revelation 9" value="Revelation #9" />
      <page pageid="2866" ns="0" title="MOBSCENE" value="mOBSCENE" />
      <page pageid="2920" ns="0" title="MOBSCENE (Sauerkraut Remix)" value="mOBSCENE (Sauerkraut Remix)" />
      <page pageid="4397" ns="0" title="Maybeharmfulifswallowed" value="maybeharmfulifswallowed" />
      <page pageid="7790" ns="0" title="MOBSCENE Replet (Mea Culpa Mix By Bitteren Ende)" value="mOBSCENE Replet (Mea Culpa Mix By Bitteren Ende)" />
      <page pageid="7791" ns="0" title="MOBSCENE (Overnight Mix - Reworked by Flint &amp; Youth)" value="mOBSCENE (Overnight Mix - Reworked by Flint &amp;amp; Youth)" />
      <page pageid="8245" ns="0" title="MOBSCENE (Dead Sexy Inc. Remix)" value="mOBSCENE (Dead Sexy Inc. Remix)" />
      <page pageid="13832" ns="0" title="MOBSCENE (single)" value="mOBSCENE (single)" />
      <page pageid="25694" ns="0" title="Revelation 12" value="Revelation #12" />
    </pageswithprop>
  </query>
</api>