> I don't want to have to read the spec to verify that except is in
> fact a set difference operator so I'd just rather not use it.
>

I'm afraid that when people write code purely by trial and error, there's not
much we can do to help them.

We do try in the language design to avoid surprises, but we don't try to make
it possible to write code by guessing the function names and operator
symbols.

Michael Kay
Saxonica