R. David Murray <rdmur...@bitdance.com> added the comment:

I like the idea of pointing out that shlex can be used to determine exactly 
what to pass to subprocess, but I agree that the proposed patch is too wordy 
(and still too much in a negative voice).

Here is an alternate simpler patch.

Note that while I have also clarified the last sentence in the shell=True case, 
I think that this is in fact a bug in the Popen API.  As far as I can tell the 
ability to pass arguments to the shell after the -c is useless, and I think 
Popen should instead raise a ValueError if passed a sequence when shell is 
True.  But that is a different bug report....

----------
nosy: +r.david.murray
priority:  -> normal

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Python tracker <rep...@bugs.python.org>
<http://bugs.python.org/issue6760>
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