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>
    <search>
      <p ns="0" title="what is the meaning DKNY?" snippet="『&#039;&#039;&#039;what is the &lt;span class=&#039;searchmatch&#039;&gt;meaning&lt;/span&gt; DKNY?&#039;&#039;&#039;』(ワット・イズ・ザ・ミーニング・ディーケーエ&#10;[[ファイル:what is the &lt;span class=&#039;searchmatch&#039;&gt;meaning&lt;/span&gt; DKNY?.jpg|thumb|right|311px|alt=翻訳『DKNYの意味するところは？&#10;" size="5193" wordcount="393" timestamp="2016-01-04T20:58:03Z" />
    </search>
  </query>
</api>