PS: As far as I understand it, there is no "optionality" of the "T" as an indicator for the start of the time part.

Am 26.08.2014 um 15:06 schrieb Jeff King:
On Tue, Aug 26, 2014 at 09:29:44AM +0200, Oliver Busch wrote:

I encountered the following problem: When using the date formatting option
ISO (either by setting --date=iso or using format:%ci for the committer
date), the output is formatted like this:

2014-08-25 17:49:43 +0200

But according to ISO 8601, should be formatted like this (see
http://www.w3.org/TR/NOTE-datetime):

2014-08-25T17:49:43+02:00
Yeah, it is not strictly ISO but more ISO-like (to further add
confusion, it is mostly RFC3339, which claims to be a "profile of
ISO8601". But we don't follow the timezone conventions there. Yeesh).

Interestingly, this actually came up when the feature was added:

   http://thread.gmane.org/gmane.comp.version-control.git/52414/focus=52585

but there was some discussion of ISO8601's weird phrasing of "T" being
optional.

I therefore suggest to adapt the output when using --date=iso or
format:%ci to comply 100% with the ISO 8601 specs, or at least change
documentation to say the output is only "ISO-like".
I think changing the output at this point would cause backwards
compatibility problems (not to mention that it's a lot less readable for
humans).

Patches welcome for a documentation update. I also think something like
--date=iso8601-strict might make sense for the case of feeding the
result to another parser.

-Peff



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