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="20150326140518" timestamp="2015-03-26T14:05:18Z" ns="0" title="Learning-Center" />
        <page value="20150326141340" timestamp="2015-03-26T14:13:40Z" ns="0" title="Meeting Manager, Importing Data" />
        <page value="20150330163712" timestamp="2015-03-30T16:37:12Z" ns="0" title="Departing members report" />
        <page value="20150330163806" timestamp="2015-03-30T16:38:06Z" ns="0" title="Summary Added Members Report" />
        <page value="20150331134241" timestamp="2015-03-31T13:42:41Z" ns="0" title="Health Charities" />
        <page value="20150331171827" timestamp="2015-03-31T17:18:27Z" ns="0" title="Quick Start Guide" />
        <page value="20150331181552" timestamp="2015-03-31T18:15:52Z" ns="0" title="User States/Roles" />
        <page value="20150401131327" timestamp="2015-04-01T13:13:27Z" ns="0" title="User Authentication" />
        <page value="20150401132109" timestamp="2015-04-01T13:21:09Z" ns="0" title="Contact Manager" />
        <page value="20150401144403" timestamp="2015-04-01T14:44:03Z" ns="0" title="Manage Groups" />
      </results>
    </querypage>
  </query>
</api>