Bug or miss feature in nested class?

[Jarrett Billingsley]

"BCS" <BCS at pathlink.com> wrote in message 
news:ehirtb$2ntu$8 at digitaldaemon.com...
> class C
> {
> class A{}
> }
> class D : C
> {
> class B : A{}
> }
>
> fails saying A is nested in C, not D
>
> Why should this be a problem? An action that A can perform on a C can be 
> performed on a D. So havening an A object nested from a D object shouldn't 
> be a problem. Deriving from A in something derived from C also shouldn't 
> be a problem either.
>
> Thoughts??

I asked Walter his thoughts on this feature when 0.126 first came out with 
nested classes.  His response, best I can remember, was "AAAIIIIIEEEEEEE!" 
:)

So I think it's just a matter of it being really difficult to implement.