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="20140901140402" timestamp="2014-09-01T14:04:02Z" ns="0" title="System Architecture Guide" />
        <page value="20140903134715" timestamp="2014-09-03T13:47:15Z" ns="0" title="Software Integration Guide" />
        <page value="20141104093526" timestamp="2014-11-04T09:35:26Z" ns="0" title="The protoComponent Example" />
        <page value="20141104100413" timestamp="2014-11-04T10:04:13Z" ns="0" title="The protoComponentTEST Example" />
        <page value="20141104100444" timestamp="2014-11-04T10:04:44Z" ns="0" title="The protoComponentGUITEST Example" />
        <page value="20141105073954" timestamp="2014-11-05T07:39:54Z" ns="0" title="Component Reference Manual" />
        <page value="20141105130430" timestamp="2014-11-05T13:04:30Z" ns="0" title="The protoComponentGUI Example" />
        <page value="20141107082031" timestamp="2014-11-07T08:20:31Z" ns="0" title="Updates" />
        <page value="20150215122302" timestamp="2015-02-15T12:23:02Z" ns="0" title="Tandards for Testing" />
        <page value="20150217081955" timestamp="2015-02-17T08:19:55Z" ns="0" title="Software Development Guide" />
      </results>
    </querypage>
  </query>
</api>