Unicode in Python

[random832 at fastmail.us]

On Mon, Apr 28, 2014, at 4:57, wxjmfauth at gmail.com wrote:
> Python 3:
> - It missed the unicode shift.
> - Covering the whole unicode range will not make
> Python a unicode compliant product.

Please cite exactly what portion of the unicode standard requires
operations with all characters to be handled in the same amount of time
and space, and forbids optimizations that make some characters handled
faster or in less space than others.