Well lets see if it works for me.
Emphasis
To bold a word, surround it with asterisks, so hello will display hello
For underline use , so hello_ gives hello
For italics use , so hello^ gives hello
Links and emoticons (smileys)
To insert a smiley face, , type or
For a big grin, , type or
For a wink, , type
For a shocked face, , type
For an angry face, , type
For an embarrassed face, , type
For a sad face, , type or
For an envious face, , type
For a sceptical face, , type
To insert a link to a web site, type
description - where url is the .... address of the site, and description is the text you want to appear in your message. So to link to bbc news you could type
have a look at this