>>Generally, I stayed away from imposing rules which I can't explain. A rule which doesn't have a clear goal and can't be eplained to a kid is under doubt.
>
>I guess your kids will never know how to standarize addresses for international forums then... <bg>

They may as well know what sort of problem it can be. And then, also when is it no problem at all. Well, one of them is going for a CS degree, so I guess she would hit that problem sooner or later :).