bug#39347: 28.0.50; iso8601-parse can't handle all legal date values?

[Lars Ingebrigtsen]

Eric Abrahamsen <eric@ericabrahamsen.net> writes:

> I'm testing out `iso9601-parse' with the example values from the vcard
> RFC, and am getting errors from the example date value "---12", from
> https://tools.ietf.org/html/rfc6350#section-4.3.1.
>
> My understanding is that "---12" as a date should parse to:
>
> (nil nil nil 12 nil nil nil -1 nil)

I'm unable to find that form in

http://www.loc.gov/standards/datetime/iso-tc154-wg5_n0038_iso_wd_8601-1_2016-02-16.pdf

The RFC talks about the ISO8601 standard from 2000 -- perhaps those
forms have been deprecated?

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   bloggy blog: http://lars.ingebrigtsen.no