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="20150521005548" timestamp="2015-05-21T00:55:48Z" ns="0" title="Managing Job" />
        <page value="20150525234417" timestamp="2015-05-25T23:44:17Z" ns="0" title="Creating Job" />
        <page value="20150720133701" timestamp="2015-07-20T13:37:01Z" ns="0" title="Viewer" />
        <page value="20150721153453" timestamp="2015-07-21T15:34:53Z" ns="0" title="Viewer Menu" />
        <page value="20150724225607" timestamp="2015-07-24T22:56:07Z" ns="0" title="Case Definitions" />
        <page value="20150725141253" timestamp="2015-07-25T14:12:53Z" ns="0" title="Internal geometries" />
        <page value="20150725183519" timestamp="2015-07-25T18:35:19Z" ns="0" title="Geometry Usage" />
        <page value="20150726001050" timestamp="2015-07-26T00:10:50Z" ns="0" title="Viewing an object" />
        <page value="20150726125443" timestamp="2015-07-26T12:54:43Z" ns="0" title="Common Filters" />
        <page value="20150803164024" timestamp="2015-08-03T16:40:24Z" ns="0" title="Import geometries" />
      </results>
    </querypage>
  </query>
</api>