[Python-3000] Updating PEP 3101

[Talin]

Eric V. Smith wrote:

> One comment I'd like to make on your prior email is that I'd like to see 
> this implemented in 2.6.  To my knowledge, we're not removing any 
> functionality in 3.0 that will be replaced by str.format, so I can't 
> argue that it will make it easier to have code that runs in both 2.6. 
> and 3.0.  But it seems to me that the fewer new feature that exist only 
> in 3.0, the easier it will be to wrap you head around 3.0.

I think that supporting it in 2.6 is fine. Now, the PEP in your sandbox 
also talks about making an external module for versions earlier than 
2.6. My feeling on that is if someone wants to do that, fine, but it 
doesn't need to be part of the PEP.

-- Talin