The following html tags are allowed in Reader Feedback:

<b>bold</b> result: bold
<i>italics</i> result: italics
<u>underline</u> result: underline
<em>emphasis</em> result: emphasis
<strike>strikethru</strike> result: strikethru
<strong>strong<strong> result: strong

Also allowed:

<pre>pre-formatted text</pre>
<code>code</code>

Link format:

<a href="http://www.macdailynews.com">MacDailyNews</a> result: MacDailyNews