Copy constructors

[Greg Brown]

> So how do image the FXML to look like? You need something like a
> for-loop in FXML which makes it a JSP like thing which is not good IMHO
> - I'm even not 100% sold on the new binding syntax but - having for, if,
> ... is IMHO going to be a disaster.
> 
> If something needs logic and expressions, then express it in a
> programming language like Java, ... but not in a markup one.

I agree with this 100%. FXML itself should not be used to encode logic, only structure. Behavior should be implemented in code.