Re: [Sedate] Reference to Unicode calendar.xml document

Thanks Patrik. Using those links, here's how I'd describe the steps
required to get to the list of allowed calendars for the u-ca tag in the
SEDATE RFC:

1. Download https://unicode.org/Public/cldr/latest/core.zip.
2. Extract /common/bcp47/calendar.xml from that ZIP file.
3. Allowed values for the tag name "u-ca" must be listed in the "name"
attribute of sub-elements inside the `<key name="ca"...` element.

Bron and Patrik - what is the right way to express those steps in the RFC
text?

Or is it sufficient to just say "/common/bcp47/calendar.xml in
https://unicode.org/Public/cldr/latest/core.zip" ?

Thanks
Justin

On Fri, Apr 7, 2023 at 9:04 AM Patrik Fältström <paf=
40paftech.se@dmarc.ietf.org> wrote:

> Hi,
>
> I have had a look at this, and believe the link into GitHub is not really
> what is what should be done, as you say. I also think that the link to
> "repos" is wrong as that is a redirect into GitHub.
>
> The correct reference is given by referencing the correct version of CLDR
> that you are using, and how to link is explained on this unicode consortium
> web site:
>
> <https://cldr.unicode.org/stable-links-info>
>
> I.e. if you go with version 22 you should use <
> http://cldr.unicode.org/index/downloads/cldr-22> etc.
>
> Best, Patrik
>
> On 6 Apr 2023, at 5:54, Bron Gondwana wrote:
>
> > Hi Patrik,
> >
> > I'm one of the chairs of the SEDATE working group.  I'm emailing you in
> your capacity as the IETF Liaison to Unicode.
> >
> > We have a document in our working group that references a Unicode
> registry:
> >
> > https://datatracker.ietf.org/doc/draft-ietf-sedate-datetime-extended/
> >
> > Which currently has these references:
> >
> >    [CLDR]     "Unicode CLDR Project", <https://cldr.unicode.org> .
> >
> >    [CLDR-CALENDAR]
> >               "cldr/common/bcp47/calendar.xml", <https://github.com/
> >               unicode-org/cldr/blob/main/common/bcp47/calendar.xml>.
> >
> > We'd like to reference something better than github!
> >
> > We discovered during our session at IETF116 that the registry has been
> referenced before - in RFC7529 like so:
> >
> >    [UNICODE.CLDR]
> >               The Unicode Consortium, "CLDR calendar.xml Data", Unicode
> >               Consortium CLDR,
> >               <http://www.unicode.org/repos/cldr/tags/latest/common/ <
> http://www.unicode.org/repos/cldr/tags/latest/common/bcp47/calendar.xml>
> >               bcp47/calendar.xml <
> http://www.unicode.org/repos/cldr/tags/latest/common/bcp47/calendar.xml>>
> .
> >
> > Is there a preferred format for these references?  We're happy to do
> whatever is most likely to remain stable!
> >
> > Thanks,
> >
> > Bron.
> >
> > --
> >   Bron Gondwana, CEO, Fastmail Pty Ltd
> >   brong@fastmailteam.com--
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