On 20 Feb 2009, at 10:59, Steven Mohapi-Banks wrote: > Ahh the Boehm spiral. My lecturer at university always became rather > excited about that Round and round the spiral goes, when it stops no one knows ;) Ellie Eleanor McHugh Games With Brains http://slides.games-with-brains.net ---- raise ArgumentError unless @reality.responds_to? :reason