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="Split complementary color scheme" snippet="...as more space for balancing warm and cold colors. If used in a design, the &lt;span class=&#039;searchmatch&#039;&gt;meaning&lt;/span&gt; of secondar colors should be precisely defined – e.g. one for active elem&#10;" size="2945" wordcount="451" timestamp="2016-04-27T00:03:44Z" />
      <p ns="0" title="Triadic color scheme" snippet="...use it and balance very carefully to maintan the desired effects and color &lt;span class=&#039;searchmatch&#039;&gt;meaning&lt;/span&gt;.&#10;" size="1188" wordcount="182" timestamp="2016-04-25T20:56:23Z" />
      <p ns="0" title="Color usage" snippet="...gners-part-1-the-&lt;span class=&#039;searchmatch&#039;&gt;meaning&lt;/span&gt;-of-color/ Color Theory for Designers, Part 1: The &lt;span class=&#039;searchmatch&#039;&gt;Meaning&lt;/span&gt; of Color]&#10;" size="660" wordcount="64" timestamp="2016-06-29T21:54:52Z" />
    </search>
  </query>
</api>