round() with number of decimals as argument

Hello! Couldn't xpath function round() in future accept an optional integer parameter that decides how many decimals to preserve?
That would imply:
round(1.187) = 1
round(1.187, 1) = 1.2 
round(1.187, 2) = 1.19

Received on Friday, 18 May 2007 09:14:58 UTC