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Xref: csiph.com comp.lang.python:28360

On 03.09.12 04:54, Steven D'Aprano wrote:
> This means that Python 3.3 will no longer have surrogate pairs.
>
> Am I right?

As Terry said, basically, yes. Python 3.3 does not need in surrogate 
pairs, but does not prevent their creation. You can create a surrogate 
code (U+D800..U+DFFF) intentionally (as you can create a single accent 
modifier or other senseless alone charcode), but less likely that you 
will get them unintentionally.