[issue16309] "PYTHONPATH=" different from no PYTHONPATH at all

[Armin Rigo]

Armin Rigo added the comment:

Attached the diff, in case we want to do that.  The diff is only about non-Windows platforms, given that it follows a Posix use case about PATH.  But do we also need to change PC/getpathp.c?

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keywords: +patch
Added file: http://bugs.python.org/file27709/pythonpath.diff

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