std.container.RedBlackTree versus C++ std::set

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> When you say things like "Andrei was considering phasing out 
> postblits..." I get nervous. Can we please have some comments 
> from Andrei/Walter about what the plans are? I'm not asking for 
> the ultimate solution - just to know the general direction and 
> where this issue stands at present. Is there anything any of us 
> can do to help move this forward?

Make a new thread where Walter and Andrei may submit an official 
staement.
There are certainly other interested and this thread is probably 
not for more suitable.