Re: [Ietf-languages] Northern Thai Variants

A few mechanics:
1. nod-Lana-etymo : The prefix values are only a recommendation, so there
is nothing preventing any variant with any prefix. You can have
fr-basiceng for example. In practice that is no problem, just as ja-Thai-AQ
is not a problem.
2. nod-Lana-t-Thai : would be nod-Thai-t-nod-Lana (or nod-Thai-t-und-Lana),
meaning nod in the Thai script that has been transformed from Lana.

Mark

On Thu, Jan 10, 2019 at 10:09 AM Richard Wordingham <richard.wordingham=
40ntlworld.com@dmarc.ietf.org> wrote:

> I have been looking at localisation for northern Thai (language code
> nod) and it seems to me that, simplifying, for any speech variety there
> are three basic varieties of writing system:
>
> 1) Writing in the Tai Tham script (subtag Lana)
> 2) Writing in the Thai script (subtag Thai) with consonants having
> the same phonetic values as the corresponding Tai Tham consonants.
> 3) Writing in the Thai script with stop consonants having
> the same phonetic values as in Standard Thai.
>
> My idea for approaching this is to use the labels:
>
> nod-Lana
> nod-Thai-etymo
> nod-Thai-phonetic
>
> However, there are several issues with this approach.
>
> The first is whether nod-etymo and and nod-phonetic would then be
> allowed as identifiers of Northern Thai Thai-script writing systems.
> nod-Lana-etymo would not make sense, and I'm not sure how to word the
> subtag record to exclude, or at least discourage, it.
>
> The second is the possibility that Scheme 2, but not Scheme 3, should
> be treated as a transform of Scheme 1, and therefore scheme 2 should
> be nod-Lana-t-Thai, which would remove the need for variants at this
> level.  My most cogent objection is that the transformation depends on
> phonetic and etymological information - ambiguities in some
> orthographies for Scheme 1 are removed in Scheme 2, and word-final
> <SIGN OA BELOW, RA> is converted according to etymology, (generally)
> with <O ANG, RO RUEA> in words of Pali/Sanskrit origin and <O ANG, NO
> NU> in native words.
>
> Users of Northern Thai learn Standard Thai in school, and will
> generally be more fluent in writing Standard Thai than in writing
> Northen Thai.
>
> Can I please have advice.
>
> Richard.
>
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