RPG Game Masters Dice Roll BBCode?

What do you guys think of implementing dice rolling code on the forum? This would be creating a tag so something like [roll]1d6[/roll] would output a generated roll of a die when the post is created.

I just had the thought thinking of the limitations of play-by-post and the random factor being the major one. Would this sort of thing be welcomed, or is it an unneeded addition?

Example I was looking at:
http://slithytoves.sytes.net/~david/forums/showthread.php?p=6422