Slight parsing / order of operations error?

Not sure if this is really a "bug" or caveat... but, it defies regular expressions,
so I am assuming it's an "order of operations" thing or possibly poor tokenizer
associated with the board itself.

In an earlier post (sorry, haven't found the thread yet - new DSL line isn't
in and I'm still suffering on dial-up again), I typed:

colon rofl colon close-paren

...lex or yacc or something might have noticed the close-paren as matching
to something earlier in the sentence and thusly "cancelled it out." But, what
seems to have happened is the colon close-paren were matched first
as a smiley face and the colon rofl colon were hung out to dry.


There's probably a few of them though...

(:rofl:)

(Yes I realize there's a "disable smilies" button... but that also kills :rofl: as far as I know)