Support of Old Church Slavic language sublocale in CLDR

[Mark Davis ☕️ via CLDR-Users]

Some quick comments.

> Is there a need for having this in CLDR as a separate locale? Does
CLDR even provide support for ancient languages?

While it is possible from someone to propose adding an ancient language (as
per http://cldr.unicode.org/index/cldr-spec/minimaldata), I do think the
utility would be extremely limited. As with all other languages, we would
need a commitment to add the minimal data.

> As I wrote in the original ticket, in my view, the way to handle this
would be to separate "Old" Church Slavic (whatever is meant by this
term) from Church Slavic the way Ancient Greek has been separated from
modern Greek: grc is the ISO 639-2 code for Ancient Greek and ell or
gre are the ISO 639-2 codes for Modern Greek.

We follow BCP47 for codes, so we can't make up a code (as suggested by
souschan at gmail.com) for "cu-old". If "Old" Church Slavic is sufficiently
different from Church Slavic (eg at least as different as Danish and
Swedish)\, then a new language code should be proposed to the ISO 639
group, as you suggested. If it is more like a dialect difference, then in
theory a variant should be proposed. In practice, variants (other than
Script and Region) are not very well supported in software, however.

Mark

On Sat, Mar 24, 2018 at 9:44 AM, Aleksandr Andreev via CLDR-Users <
cldr-users at unicode.org> wrote:

> On Fri, Mar 23, 2018 at 2:32 PM, Соус-кун via CLDR-Users
> <cldr-users at unicode.org> wrote:
> > Dear all,
> >
> > Two years ago I've openned the ticket
> > https://unicode.org/cldr/trac/ticket/9238 about adding separate
> sublocale
> > for Old Church Slavic language within the "cu" CLDR locale.
> > The ticked was closed for formal reasons, but I believe this issue needs
> > further discussion.
> >
>
> As I wrote in the original ticket, in my view, the way to handle this
> would be to separate "Old" Church Slavic (whatever is meant by this
> term) from Church Slavic the way Ancient Greek has been separated from
> modern Greek: grc is the ISO 639-2 code for Ancient Greek and ell or
> gre are the ISO 639-2 codes for Modern Greek.
>
> I write "whatever is meant by this term" to underline my general
> concern that "Old" Church Slavic does not seem to be a well-defined
> term. We've defined "Church Slavic" in CLDR to be the current
> liturgical language used by the Russian Orthodox Church and other
> Orthodox and Byzantine Catholic Churches. (Variants can be specified
> as cu_BG, cu_RU, cu_UA, etc.). This language has well documented norms
> and a well-established user community.
>
> By "Old" Church Slavonic I guess the questioner means the literary
> language used in manuscripts around the 9th-10th century?
>
> Is there a need for having this in CLDR as a separate locale? Does
> CLDR even provide support for ancient languages? I don't see data in
> CLDR for Latin, Ancient Greek, Avestan or Sanskrit, for example.
>
> What additional functionality would be provided to the user community
> by including "Old" Church Slavic as a separate locale?
>
> > - Linguists consider 'Old Church Slavic' and 'Church Slavic' two
> different
> > languanges (see https://en.wikipedia.org/wiki/Old_Church_Slavonic and
> > https://en.wikipedia.org/wiki/Church_Slavonic_language for reference).
>
> The original ticket proposes adding Old Church Slavic data from the
> Church Slavonic Wikipedia. How authoritative a source is this for
> language data?
>
> Also, if all that is needed is support for the Glagolitic script, we
> could define cu_Glag and add data in Glagolitic there.
>
> Cordially,
>
> Aleksandr
>
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