[issue2009] Grammar change to prevent shift/reduce problem with varargslist

[Christian Heimes]

Changes by Christian Heimes:


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components: +Interpreter Core -None
nosy: +ncoghlan, nnorwitz
priority:  -> normal
versions: +Python 2.6, Python 3.0

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Tracker <report at bugs.python.org>
<http://bugs.python.org/issue2009>
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