On 7/9/10 10:40 AM, Mark Dickinson wrote:
While looking at a parser module issue
(http://bugs.python.org/issue9154) I noticed that Python's grammar
doesn't permit trailing commas after keyword-only args.  That is,

     def f(a, b,):  pass

is valid syntax, while

     def f(*, a, b,): pass

is not.  I was just curious whether the latter was deliberate or an
oversight.  And if an oversight, is it worth fixing after the
moratorium expires?  (See also http://bugs.python.org/issue2009.)

I use trailing commas all the time in argument lists. I don't use keyword-only args much, but I will when I switch to 3.x. I'd like to see this fixed. I'd argue it's a bug fix, but that's me.

--
Eric.
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