[docs] [issue14244] No information about behaviour with groups in pattern in the docstring for re.split

[py.user]

Changes by py.user <port139 at yandex.ru>:


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components: +Regular Expressions
nosy: +ezio.melotti, mrabarnett, py.user
versions: +Python 3.2

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue14244>
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