[Python-3000] Draft PEP for New IO system

[Aahz]

I've looked at the most recent version at

http://python.org/dev/peps/pep-3116/

and I see nothing in there about the interaction between a BufferedIO
object and its underlying RawIO object.  That is, what happens if you do
this:

    f = open('foo', buffering=200)
    f.read(150)
    f.raw.read(200)
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Aahz (aahz at pythoncraft.com)           <*>         http://www.pythoncraft.com/

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