; before document ready in jquery
<blockquote>
  <p><strong>Possible Duplicate:</strong><br>
  <a href="http://stackoverflow.com/questions/1873983/what-does-the-leading-semicolon-in-javascript-libraries-do">What does the leading semicolon in JavaScript libraries do?</a>  </p>
</blockquote>



<p>I am reading the jquery flexslider source code and i see a <code>;</code> 
before the document ready call </p>

<pre><code>;(function ($) {...
</code></pre>

<p>Can anyone tell me why we need a <code>;</code> ?</p>
