[docs] [issue16227] Add link to 3.3 version in unicode howto

[Chris Jerdonek]

Chris Jerdonek added the comment:

Committed without changing the first sentence, as Éric preferred.

Thanks for the report, Mark!

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resolution:  -> fixed
stage: needs patch -> committed/rejected
status: open -> closed

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue16227>
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