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="20110810155707" timestamp="2011-08-10T15:57:07Z" ns="0" title="Main Page" />
        <page value="20140330113728" timestamp="2014-03-30T11:37:28Z" ns="0" title="首頁" />
        <page value="20140330113814" timestamp="2014-03-30T11:38:14Z" ns="0" title="新聞中心" />
        <page value="20140330114821" timestamp="2014-03-30T11:48:21Z" ns="0" title="藝術家" />
        <page value="20140330124430" timestamp="2014-03-30T12:44:30Z" ns="0" title="施志剛 作品圖片" />
        <page value="20140330124817" timestamp="2014-03-30T12:48:17Z" ns="0" title="施志剛 作品圖片:醉翁" />
        <page value="20140330125227" timestamp="2014-03-30T12:52:27Z" ns="0" title="施志剛 作品圖片:幼樂尋歡" />
        <page value="20140330125421" timestamp="2014-03-30T12:54:21Z" ns="0" title="施志剛 作品圖片:千年老伴" />
        <page value="20140330125700" timestamp="2014-03-30T12:57:00Z" ns="0" title="施志剛 作品圖片:地久天長" />
        <page value="20140330125931" timestamp="2014-03-30T12:59:31Z" ns="0" title="施志剛 作品圖片:榮華富貴" />
      </results>
    </querypage>
  </query>
</api>