[RFC] exports and linkage for TR1

[Benjamin Kosnik]

> > Any others?
> 
> If (and I really wish I could say "when") rvalue reference passes,  
> there's going to be a fairly large ripple effect through the entire  
> libstdc++, both old and new (tr1) parts.  Most stuff won't have to be  
> redesigned.  But lots of things will be touched:  tuple, bind,  
> perhaps a little bigger changes on vector.  It will ultimately all be  
> for the better.  But the bulk of the implementor pain is on the  
> library side, not the compiler side.

Got it. To the "core changes mean better libraries" list we have:

rvalue references
move semantics
variadic templates
concepts

-benjamin