Testing Unicode
Ximon just found this very useful page of Unicode strings
http://trac.edgewall.org/wiki/TracUnicode
which will make breaking the software of potential suppliers that much easier. I think it's fair to say we could be using any of the languages on that list - and indeed we use most of them on a daily basis. The only one I don't think I've seen any need for in the last two years is Vietnamese.
Sadly lack of good UTF-8 support is one of the reasons we end up building so much software rather than taking off the shelf products. If it doesn't work in Rekjavik, Beijing, Hamburg and Bangkok it's just not that useful to us...