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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="20130918163349" timestamp="2013-09-18T16:33:49Z" ns="0" title="はじめ方" />
        <page value="20130919072613" timestamp="2013-09-19T07:26:13Z" ns="0" title="スターターデッキ" />
        <page value="20130919074501" timestamp="2013-09-19T07:45:01Z" ns="0" title="ORANGE&amp;PURPLE" />
        <page value="20130923082252" timestamp="2013-09-23T08:22:52Z" ns="0" title="プレイング" />
        <page value="20130924164601" timestamp="2013-09-24T16:46:01Z" ns="0" title="Deck:ヒャッハー!〇〇は消毒だー！" />
        <page value="20130925124949" timestamp="2013-09-25T12:49:49Z" ns="0" title="Deck:暗黒の領主時代ラッシュ" />
        <page value="20130927104305" timestamp="2013-09-27T10:43:05Z" ns="0" title="Deck:進撃の脳筋" />
        <page value="20131001135103" timestamp="2013-10-01T13:51:03Z" ns="0" title="デッキ構築" />
        <page value="20131006195612" timestamp="2013-10-06T19:56:12Z" ns="0" title="Deck:紫速攻 3種のCB デッキ" />
        <page value="20131007152248" timestamp="2013-10-07T15:22:48Z" ns="0" title="Deck:紫白 全体除去ビート" />
      </results>
    </querypage>
  </query>
</api>