Minor downside: You have to ensure that the contents of a {code ..} block have all their open-brackets matched with close-brackets. This can be quite tricky wit

Minor downside: You have to ensure that the contents of a {code ..} block have all their open-brackets matched with close-brackets. This can be quite tricky with larger code examples. The bbcode [/code] equivalent is slightly less problematic. Other than that it looks like a good alternative.