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="20140104164212" timestamp="2014-01-04T16:42:12Z" ns="0" title="Вики:Шаблон навигации" />
        <page value="20140104170820" timestamp="2014-01-04T17:08:20Z" ns="0" title="Приват" />
        <page value="20140104172154" timestamp="2014-01-04T17:21:54Z" ns="0" title="Вики:Шаблон информации о городе" />
        <page value="20140104204413" timestamp="2014-01-04T20:44:13Z" ns="0" title="Механизмы" />
        <page value="20140105103849" timestamp="2014-01-05T10:38:49Z" ns="0" title="Станция" />
        <page value="20140105105100" timestamp="2014-01-05T10:51:00Z" ns="0" title="Сортер" />
        <page value="20140105110050" timestamp="2014-01-05T11:00:50Z" ns="0" title="Диспенсер" />
        <page value="20140105110420" timestamp="2014-01-05T11:04:20Z" ns="0" title="Эджектор" />
        <page value="20140105110737" timestamp="2014-01-05T11:07:37Z" ns="0" title="Ускоритель" />
        <page value="20140108185657" timestamp="2014-01-08T18:56:57Z" ns="0" title="Империя Звере" />
      </results>
    </querypage>
  </query>
</api>