span(!marker)</code> - <code>&lt;span&gt;</code> tags
					will be accepted if either <code>font-family</code> or
					<code>color</code> style is set or <code>class="marker"</code>
					is present.
				</li>
				<li>
					<code>del ins</code> - These tags
					are accepted by the editor. Any tag attributes will be discarded.
				</li>
			</ul>
			<p>
				Please note that <strong><abbr title="User Interface">UI</abbr> of the
				editor is different</strong>. It's a response to what happened to the filters.
