Xmeter Style Guide

Example
em
stress emphasis
strong
importance or urgency
i
alternate voice/mood (scare quotes, mentioning words, foreign expressions)
mark
relevant in some context
u
unarticulated annotation
small
side comment or caveat
s
text shown to be no longer relevant
Markup
<figure class="h-Ruled">
	<dl>
		<dt><code>em</code>     </dt><dd><em>stress emphasis</em></dd>
		<dt><code>strong</code> </dt><dd><strong>importance or urgency</strong></dd>
		<dt><code>i</code>      </dt><dd><i>alternate voice/mood (scare quotes, mentioning words, foreign expressions)</i></dd>
		<dt><code>mark</code>   </dt><dd><mark>relevant in some context</mark></dd>
		<dt><code>u</code>      </dt><dd><u>unarticulated annotation</u></dd>
		<dt><code>small</code>  </dt><dd><small>side comment or caveat</small></dd>
		<dt><code>s</code>      </dt><dd><s>text shown to be no longer relevant</s></dd>
	</dl>
</figure>
Source: kss-base.scss, line 333