RELEASED Python 3.0 final

[Terry Reedy]

bearophileHUGS at lycos.com wrote:
> Andreas Waldenburger:
>> Whenever has it been a pythonic ideal to "not allow" stuff? You get
>> warnings. Everything else is up to you.
> 
> It's a strong source for bugs, especially for newbies, that I have
> hoped to see removed from Python3 (my first request of this was years
> ago). I was nearly sure to see this wart removed from Python3, and now
> I hear it's presents still. I don't understand why they haven't fixed
> it.

Did you or someone fine a specific rejection of disallowing mixture in 
3.0, or did no one specifically suggest it and offer to make the change?