playBunny: <tt> is HTML for 'teletype', a way of indicating something is computer input or output. It's typically rendered in a fixed width font. But it seems <tt> isn't in a short list of allowable HTML elements we can use here.
(hide) You can use some of the simpler HTML on your messages or, if you're a paying member, can also use the Rich Text Editor. (pauloaguia) (show all tips)