parseJSON bug

[Tofu Ninja]

On Thursday, 8 August 2013 at 13:56:15 UTC, Dicebot wrote:
> On Thursday, 8 August 2013 at 13:49:22 UTC, bearophile wrote:
>> In my opinion we should follow the formal JSON grammar.
>
> This. Anyone who wants JavaScript behavior can use own 
> third-party library bust standard library must behave according 
> to published standards and specifications.

A formal grammar can be found here starting on page 202 but I 
don't know enough about grammars to be able to interpret it.
http://www.ecma-international.org/publications/files/ECMA-ST/Ecma-262.pdf

Im starting to become less sure if its a bug or not...