On Wed, 24 Jul 2013 14:00:54 +0400, Pavel Volkov wrote: > It initially suported set arithmetic (you could writes expressions like > "@set1+@set2/@set3"), I wonder why it was dropped :) What does that mean? set1 and one of set2 or set 3? Or both set1 and set2 or set3 only? I'm not sure how this would be useful but I can certainly see how it would cause confusion and problems, but I hadn't heard if it before. -- Neil Bothwick Of course it's not your day, With 7 billion people on earth chances are slim it will ever be *your* day.