Acceptable? The whole point of a programming language is that you can do whatever you want to with it. Anything "Acceptable" has to be something which follows

Acceptable? The whole point of a programming language is that you can do whatever you want to with it. Anything "Acceptable" has to be something which follows a pattern everybody has seen before, and is familiar to the point of being accepted. Do something shocking--(ie. something which nobody accepts), because they've never seen it before.