[docs] [issue8557] subprocess PATH semantics and portability

[Dave Abrahams]

Dave Abrahams <dave at boostpro.com> added the comment:

I'm probably as ignorant as you are of Windows issues. I just know what my experiments tell me: if you force the contents of any explicit 'env' argument into os.environ before calling Popen, you get the same behavior as on *nix.

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue8557>
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