Clarification needed on SetMutableBinding on a Declarative Environment Record

Brendan Eich brendan at
Sat Jun 5 22:01:03 PDT 2010

On Jun 5, 2010, at 9:41 PM, Mark S. Miller wrote:
> Am I misunderstanding something, or 2) was this the intended spec,  
> or 3) are these three browsers all non-conformant in the same  
> manner? If the 3rd, I'll file bugs on this. If the 2nd, should we  
> add a correction to the ES5 errata?

Whatever happened to "don't break the web"? :-P

The ES3 spec has no exception here. If ES5 introduced an incompatible  
change, we should issue an erratum.

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