[issue16878] argparse: positional args with nargs='*' defaults to []

[Chris Jerdonek]

Chris Jerdonek added the comment:

Attached is a doc patch.  I also improved some other aspects of the *default* section while I was there.

We should probably make sure a test exists for the newly-documented behavior (i.e. for passing no arguments for a positional argument with nargs='*' and default=None).

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keywords: +patch
Added file: http://bugs.python.org/file28623/issue-16878-1.patch

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