In talking with one of my clients the topic of special characters came up and one of the things they mentioned being worried about was symbology changes at NASDAQ. For those of you who don’t follow this kind of stuff, the old ticker symbols constituted a fairly small subset of possible combinations. The symbology change was designed to allow greater flexibility in the future of the naming conventions (think about it being like the difference between IPv4 and IPv6 in the stock market). Click here to read more details.
That would probably be all fine and dandy except some of the characters actually mean things in programming languages. for instance % * # $ ~ + ! @ are included in the list of possible legal characters. How many lines of code do you think need to be reviewed and fixed before this actually will work seamlessly? My guess is many millions. How many new exploits do you think this will open? Hard to say, but it should be interesting to watch.