These are all the key hacks I know. If you know any more, tell us!
(Only you have to use these withoout the spaces.
** bold **
*italics *
` Different Font `
@ Username
Centered|
Big
-
Bigger
=
< Invisible Text (don't know why) >
< spoiler> Spoiler </ spoiler>
< invisible text > is caused by treating invisible text as an HTML tag.
Likewise, there's alternatively (without spaces):
< b>bold</ b>
< i>italics< /i>
< hr/> for a horizontal rule
wrapping text with backticks (`) makes it monospaced
I'll see if I can find a guide somewhere and post it: it's a mix of markdown and sanitized HTML that's supported :)
Cool! Thanks! :)