About bugfix: For ISO 8601 syntax, Date.parse should accept " " in places where "T" is allowed
allen at wirfs-brock.com
Tue Sep 18 18:46:42 PDT 2012
This is the response I posted to the bugzilla issue:
I would like to see a better motivation present for why this change is important. In particular, it is a deviation from the ECMAScript standard. While syntactic extensions to the Date.parse syntax is allowed by the specification. It is not particularly a good idea. In particular, every time a specific implementation adds such a non-standard extension, it creates a potential cross-browser interoperability hazard.
Apparently these extensions are not motivated by a desire to improve interoperability as reference  shows that none of Firefox, IE, and Safari currently provide these extensions. Chrome apparently does (and also Opera??).
Finally, I don't understand why a WhatWG document is being used to justify a change to an ECMAScript specified function or why the WhatWG is messing with an ECMA specification. If there is a serious proposal to change the ECMAScript specification it should be brought to TC39 as a proposal where it would be given serious consideration. But simply bypassing the standards process doesn't seem like a very good idea. In particular, Google is a member of TC39 and Chrome has apparently implemented these extensions. Yet as far as I know, they have not made a proposal for this extension to TC39. Why not?
On Sep 17, 2012, at 12:53 AM, LittleQ wrote:
> I made a patch for bug-791320 , and somebody ask me to get opinions from this mailing list.
> This patch added support for accepting " " in places where "T" is allowed originally, will it cause any problem.
> for example:
> "2012-12-12T12:12:12" and the derivation(append millisecond or timezone) will be accepted.
> "2012-12-12 12:12:12" will be accepted after this patch
> and these won't be accepted after this modifying:
> "2012-12-12A12:12:12" (A could be replaced by a-zA-Z)
> any comment for this fixing?
> Thanks, this is my first patch for firefox :) any advise will be welcome~
>  For ISO 8601 syntax, Date.parse should accept " " in places where "T" is allowed.: https://bugzilla.mozilla.org/show_bug.cgi?id=791320
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> nickname: "LittleQ",
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