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="Editors" snippet="...nguage mistakes must be taken lightly and corrected in ways that leave the &lt;span class=&#039;searchmatch&#039;&gt;meaning&lt;/span&gt; clear to non-native English speakers. This means we need editors.&#10;" size="1474" wordcount="241" timestamp="2015-05-19T06:18:48Z" />
      <p ns="0" title="Using the LibreCAD Translation Server" snippet="Sometimes it is hard to know the &lt;span class=&#039;searchmatch&#039;&gt;meaning&lt;/span&gt; of a single word. Then you need the context for this word, you find it on t&#10;...le to find the matching place in the source code. Then you investigate the &lt;span class=&#039;searchmatch&#039;&gt;meaning&lt;/span&gt; of the word.&#10;" size="7360" wordcount="1227" timestamp="2015-04-25T20:01:19Z" />
    </search>
  </query>
</api>