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="20100919101614" timestamp="2010-09-19T10:16:14Z" ns="0" title="運用方針" />
        <page value="20110713100606" timestamp="2011-07-13T10:06:06Z" ns="0" title="用語1" />
        <page value="20120116042809" timestamp="2012-01-16T04:28:09Z" ns="0" title="メルクリン" />
        <page value="20120225121639" timestamp="2012-02-25T12:16:39Z" ns="0" title="5軸制御マシニングセンタ" />
        <page value="20120225122031" timestamp="2012-02-25T12:20:31Z" ns="0" title="精密工学会" />
        <page value="20120225122105" timestamp="2012-02-25T12:21:05Z" ns="0" title="大気圧プラズマCVD" />
        <page value="20120225122258" timestamp="2012-02-25T12:22:58Z" ns="0" title="フライス工具" />
        <page value="20120225122442" timestamp="2012-02-25T12:24:42Z" ns="0" title="メッシュモデリング" />
        <page value="20120225122515" timestamp="2012-02-25T12:25:15Z" ns="0" title="グラフィックハードウェア" />
        <page value="20120225122622" timestamp="2012-02-25T12:26:22Z" ns="0" title="超音波切削加工" />
      </results>
    </querypage>
  </query>
</api>