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="20121229183828" timestamp="2012-12-29T18:38:28Z" ns="0" title="Configuring Your Router" />
        <page value="20130105210220" timestamp="2013-01-05T21:02:20Z" ns="0" title="Canada" />
        <page value="20130105211424" timestamp="2013-01-05T21:14:24Z" ns="0" title="FoxyProxy Services" />
        <page value="20130105211521" timestamp="2013-01-05T21:15:21Z" ns="0" title="FoxyProxy Products" />
        <page value="20130116213418" timestamp="2013-01-16T21:34:18Z" ns="0" title="Connecting Firefox with FoxyProxy" />
        <page value="20130117174409" timestamp="2013-01-17T17:44:09Z" ns="0" title="FoxyProxy Browser Extension" />
        <page value="20130117174624" timestamp="2013-01-17T17:46:24Z" ns="0" title="FoxyProxy for Firefox" />
        <page value="20130117175716" timestamp="2013-01-17T17:57:16Z" ns="0" title="Installing FoxyProxy" />
        <page value="20130117175736" timestamp="2013-01-17T17:57:36Z" ns="0" title="Installing FoxyProxy for Firefox" />
        <page value="20130117175959" timestamp="2013-01-17T17:59:59Z" ns="0" title="Patterns" />
      </results>
    </querypage>
  </query>
</api>