On Aug 6, 2014, at 12:02 PM, Chris Peterson wrote:
> > On Aug 5, 2014, at 11:13 AM, Allen Wirfs-Brock <allen at wirfs-brock.com>
> > wrote:
> >
> > I think this is more or less the strategy we should follow.
> >
> > All browsers in all modes apparently interpret leading 0 numbers that
> > contain the digits "8" or "9" as decimal literals. We should make that
> > part of the base language for ES6.
> >
> > The ES6 base language should make leading 0 numbers containing only octal
> > digits ("1"-"7") syntactically illegal.
>
> If the intent is to eventually permit leading 0 numbers as decimal literals,
> why forbid unambiguous numbers like `01`–`07` in the meantime?
It could be done, but it would be a more complicated specification. I still
waiting for somebody to step up and volunteer to write a first draft of a spec.
update.
Allen
>
> Many of the websites broken by Firefox's new DecimalIntegerLiteral error are
> processing dates like `new Date(2014, 08, 06)`. Permitting `00`–`09` (with
> any number of leading zeros) but forbidding ambiguous `01234567` would be
> forward-compatible with your plan to eventually permit leading zeros while
> not breaking websites using Dates today.
>
> Whether `01234568` would be permitted as decimal 1234568 is a subtler
> question.
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