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="20070615090859" timestamp="2007-06-15T09:08:59Z" ns="0" title="Таблицы" />
        <page value="20070615103017" timestamp="2007-06-15T10:30:17Z" ns="0" title="Покорение Эвереста" />
        <page value="20070619103900" timestamp="2007-06-19T10:39:00Z" ns="0" title="Визбор Юрий ИИИосифович" />
        <page value="20070620122319" timestamp="2007-06-20T12:23:19Z" ns="0" title="Бычков Анатолий Яковлевич" />
        <page value="20070620130525" timestamp="2007-06-20T13:05:25Z" ns="0" title="Дублянский Виктор Николаевич" />
        <page value="20070625064829" timestamp="2007-06-25T06:48:29Z" ns="0" title="Чимторга" />
        <page value="20070629094129" timestamp="2007-06-29T09:41:29Z" ns="0" title="Ребро" />
        <page value="20070629094908" timestamp="2007-06-29T09:49:08Z" ns="0" title="Плато" />
        <page value="20070629095532" timestamp="2007-06-29T09:55:32Z" ns="0" title="Базовый лагерь" />
        <page value="20070629095621" timestamp="2007-06-29T09:56:21Z" ns="0" title="&quot;Покоритель высочайших вершин СССР&quot;" />
      </results>
    </querypage>
  </query>
</api>