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="20120624075738" timestamp="2012-06-24T07:57:38Z" ns="0" title="利き手" />
        <page value="20120624080421" timestamp="2012-06-24T08:04:21Z" ns="0" title="イ・サン" />
        <page value="20120624092317" timestamp="2012-06-24T09:23:17Z" ns="0" title="メインページ" />
        <page value="20120627130034" timestamp="2012-06-27T13:00:34Z" ns="0" title="ブログ" />
        <page value="20120627131001" timestamp="2012-06-27T13:10:01Z" ns="0" title="ホンダ・モビリオスパイク" />
        <page value="20120627131715" timestamp="2012-06-27T13:17:15Z" ns="0" title="みんカラ" />
        <page value="20120627132103" timestamp="2012-06-27T13:21:03Z" ns="0" title="mixi" />
        <page value="20120627132848" timestamp="2012-06-27T13:28:48Z" ns="0" title="ソーシャル・ネットワーキング・サービスの一覧" />
        <page value="20120821024111" timestamp="2012-08-21T02:41:11Z" ns="0" title="メールアドレス" />
        <page value="20120905000517" timestamp="2012-09-05T00:05:17Z" ns="0" title="ホテル・ルワンダ" />
      </results>
    </querypage>
  </query>
</api>