user code)</li>
</ul>
</p>
<p>
	The <strong>otherwise</strong> clause is optional. It will execute once should no iteration
	take place. That is, if at least one <strong>while</strong> iteration executes,
	<strong>otherwise</strong> is skipped.
</p>
<p>
Empty statements are not allowed in QueryScript. However, empty blocks are, and the 
<i>while</i> clause may be followed by an empty block, or by the do-nothing <a href="query_script_pass.html">pass</a> statement.
</p>


<h3>EXAMPLES</h3>
<p>
Remove leading 