The text for SetMutableBinding in table 17 is correct: [...] If S is true and the binding cannot be set throw a TypeError exception. S is used to identify strict mode references.
supporting the notion that the text in 10.2.1.1.3 is an errata. On Sat, Jun 5, 2010 at 10:27 PM, Mark S. Miller <[email protected]> wrote: > On Sat, Jun 5, 2010 at 10:01 PM, Brendan Eich <[email protected]> wrote: > >> 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. >> > > +1. I suggest replacing the text I quote above with > > If the binding is an immutable binding and S is true, then a TypeError is > thrown. > > > And algorithmic step 4: > > 4. Else this must be an attempt to change the value of an immutable binding > so throw a TypeError exception. > > > should be changed to > > > 4. Else this must be an attempt to change the value of an immutable > binding, so > > a. If S is true, throw a TypeError exception. > > > >> /be >> > > > > -- > Cheers, > --MarkM > -- Cheers, --MarkM
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