On Jan 3, 2012, at 4:50 PM, Gavin Barraclough wrote:
> On Jan 3, 2012, at 4:42 PM, Brendan Eich wrote:
>
>> On Jan 3, 2012, at 4:38 PM, Allen Wirfs-Brock wrote:
>>
>>>> ArrayBindingPattern :
>>>> [ Elision<opt> BindingRestElement<opt> ]
>>>> [ BindingElementList , Elision<opt> BindingRestElement<opt> ]
>>>
>>> It's a grammar bug. Thanks for the proof reading...
>>
>> The final <opt> cited above is the bug, right?
>>
>> The first right-hand side still is enough to produce the [x] pattern.
>>
>> /be
>
>
> I assumed the bug was the presence of a literal comma?
No, compare to ArrayLiteral:
ArrayLiteral : // See 11.1.4
[ Elisionopt ]
[ ElementList ]
[ ElementList , Elisionopt ]
ElementList : // See 11.1.4
Elisionopt AssignmentExpression
ElementList , Elisionopt AssignmentExpression
Replace ArrayLiteral with ArrayBindingPattern, ElementList with
BindingElementList, and AssignmentExpression with BindingRestElement.
/be
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