[issue9253] argparse: optional subparsers

[Benjamin West]

Benjamin West <bewest at gmail.com> added the comment:

Ok, here's a rough attempt at stubbing this out against a python checkout.  Will try to look at adding tests.

(BTW, subsequent GETs should not modify the bug tracker... this seems like a bug since GET should be idempotent, but SFTN from the double posting.)

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hgrepos: +100

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue9253>
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