[issue4755] Common path prefix

[Nick Coghlan]

Nick Coghlan <ncoghlan at gmail.com> added the comment:

The regex based approach to the component splitting when os.altsep is
defined obviously works as well. Duplicating the values of sep and
altsep in the default regex that way grates a little though...

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue4755>
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