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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="20150520142146" timestamp="2015-05-20T14:21:46Z" ns="0" title="聴いてみると面白いカモ？MIDIの話" />
        <page value="20150526052939" timestamp="2015-05-26T05:29:39Z" ns="0" title="ガバガバメモリ解説" />
        <page value="20150602181151" timestamp="2015-06-02T18:11:51Z" ns="0" title="ガバガバCPU解説" />
        <page value="20150615163311" timestamp="2015-06-15T16:33:11Z" ns="0" title="ガバガバピンアサイン" />
        <page value="20150723022617" timestamp="2015-07-23T02:26:17Z" ns="0" title="ネットワーク用語集" />
        <page value="20150727195819" timestamp="2015-07-27T19:58:19Z" ns="0" title="動画制作部メモ" />
        <page value="20150806145135" timestamp="2015-08-06T14:51:35Z" ns="0" title="サバゲ準備編" />
        <page value="20150815161558" timestamp="2015-08-15T16:15:58Z" ns="0" title="ガバガバLinuxコマンド" />
        <page value="20150820032850" timestamp="2015-08-20T03:28:50Z" ns="0" title="録画サーバー入門" />
        <page value="20150827184851" timestamp="2015-08-27T18:48:51Z" ns="0" title="サーバー構築方法（Windows編）" />
      </results>
    </querypage>
  </query>
</api>