I checked it out right now to see what was being blocked (ignore my nerdy wallpaper):
<code>
<blockcode>
<csharp>
<css>
<html4strict>
<javascript>
<php>
<vb>
<vbnet>
<xml>
<foo>
[foo]
More information about formatting options
I checked it out right now to see what was being blocked (ignore my nerdy wallpaper):