			<code>img</code>, <code>object</code> or <code>iframe</code> element).</p>
					</td>
				</tr>
				<tr>
					<th>Applies to:</th>
					<td>[=XHTML content documents=]; the value is implied for [=SVG content documents=].</td>
				</tr>
				<tr>
					<th>Cardinality:</th>
					<td>
						<code>Zero or more</code>
					</td>
				</tr>
			</tbody>
		</table>
	</section>
	
	<section id="sec-switch">
		<h4>switch</h4>
		
		<table class="tabledef" id="switch">
			<tbody>
				<tr>
					<th>Name:</th>
					<td>
