"Old and quirky" is an understatement. It's a god-awful mess, with semantics so murky that people end up just copying patterns and hoping that it'll do what the

"Old and quirky" is an understatement. It's a god-awful mess, with semantics so murky that people end up just copying patterns and hoping that it'll do what they want it to do. And it can't be killed, because every bit of those implementation-defined semantics are used by someone.