[Simon]

The following HTML tags and techniques have been explicitly disallowed. HTML tags or techniques not listed here may still be disallowed when used in a way that is deemed to interfere with the normal operation of the message board.

javascript
plaintext
vbscript
noscript
bgsound
embed
script
iframe
form
xmp
any other kinds of scripting
relative positioning
embedded sound that plays automatically
closing tags you didn't open (I.e. escaping from forum HTML code)