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

[Nick Coghlan]

Nick Coghlan <ncoghlan at gmail.com> added the comment:

> No,  "def f(*, a,): ..." is still a SyntaxError with the patch.  I'd think that allowing that extra comma *would* be a violation of the moratorium, though maybe it's debatable.  Perhaps worth bringing up on python-dev?

Good point - I just wouldn't worry about it in that case.

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