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-continue>
    <querypage qpoffset="10" />
  </query-continue>
  <query>
    <querypage name="Ancientpages">
      <results>
        <page value="20150224162239" timestamp="2015-02-24T16:22:39Z" ns="0" title="Outside sources" />
        <page value="20150224190247" timestamp="2015-02-24T19:02:47Z" ns="0" title="Isaac Abrams" />
        <page value="20150224190452" timestamp="2015-02-24T19:04:52Z" ns="0" title="Kareem Abdul-Jabbar" />
        <page value="20150224190623" timestamp="2015-02-24T19:06:23Z" ns="0" title="Isabel Allende" />
        <page value="20150224190631" timestamp="2015-02-24T19:06:31Z" ns="0" title="G.G. Allin" />
        <page value="20150224190643" timestamp="2015-02-24T19:06:43Z" ns="0" title="Emil Amos" />
        <page value="20150224190654" timestamp="2015-02-24T19:06:54Z" ns="0" title="Tori Amos" />
        <page value="20150224190700" timestamp="2015-02-24T19:07:00Z" ns="0" title="Antonin Artaud" />
        <page value="20150224190709" timestamp="2015-02-24T19:07:09Z" ns="0" title="Dave Attell" />
        <page value="20150224190759" timestamp="2015-02-24T19:07:59Z" ns="0" title="Bill Bailey" />
      </results>
    </querypage>
  </query>
</api>