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="20140122104423" timestamp="2014-01-22T10:44:23Z" ns="0" title="Ввод" />
        <page value="20140122114809" timestamp="2014-01-22T11:48:09Z" ns="0" title="Введение" />
        <page value="20140122145548" timestamp="2014-01-22T14:55:48Z" ns="0" title="Введение (описание игры)" />
        <page value="20140122160010" timestamp="2014-01-22T16:00:10Z" ns="0" title="Описание механики боя" />
        <page value="20140122160514" timestamp="2014-01-22T16:05:14Z" ns="0" title="Начисление опыта" />
        <page value="20140124092223" timestamp="2014-01-24T09:22:23Z" ns="0" title="Постройка" />
        <page value="20140124100034" timestamp="2014-01-24T10:00:34Z" ns="0" title="Обзор Наука" />
        <page value="20140124113359" timestamp="2014-01-24T11:33:59Z" ns="0" title="Возможно добыть грабежом" />
        <page value="20140124155027" timestamp="2014-01-24T15:50:27Z" ns="0" title="Обзор Миссии" />
        <page value="20140124155208" timestamp="2014-01-24T15:52:08Z" ns="0" title="Без Генералов" />
      </results>
    </querypage>
  </query>
</api>