[issue24647] Document argparse.REMAINDER as being equal to "..."

[Ned Deily]

Changes by Ned Deily <nad at acm.org>:


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assignee:  -> docs at python
components: +Documentation -Library (Lib)
nosy: +bethard, docs at python
versions: +Python 2.7, Python 3.6

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue24647>
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