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HTML is good for debugging, but probably is not suitable for your application.
See complete documentation, or API help for more information. 
<?xml version="1.0"?>
<api>
  <query>
    <search>
      <p ns="0" title="Newgrf Airports Documentation" snippet="!|&lt;span class=&#039;searchmatch&#039;&gt;Meaning&lt;/span&gt;&#10;...Tile should not be part of the airport tile layout. Setting prop 15 has no &lt;span class=&#039;searchmatch&#039;&gt;meaning&lt;/span&gt; if prop 14 bit 4 is not set.&#10;" size="46941" wordcount="5890" timestamp="2010-02-01T19:38:48Z" />
      <p ns="0" title="Some Other Road Types Definition" snippet="!&#039;&#039;&#039;&lt;span class=&#039;searchmatch&#039;&gt;Meaning&lt;/span&gt;&#039;&#039;&#039;&#10;" size="7514" wordcount="1184" timestamp="2012-04-09T17:31:02Z" />
    </search>
  </query>
</api>