Re: [Ietf-languages] Language variant subtag "tongyong" addition request (for Mandarin Chinese romanization) (Resubmission)

Instead of a BCP47 variant tag, would it be an option to register a
BCP 47 extension T
transform tag at Unicode CLDFR? This would be similar to the existing
registered tags for
other transliteration schemes such as alaloc, bgn, buckwalt, ungegn, etc.
Your full BCP47 language tag would then look like “zh-Latn-t-zh-m0-tongyong”.

For background about BCP47 extension T, see https://tools.ietf.org/html/rfc6497.
To go this route, file a CLDR ticket:
http://cldr.unicode.org/index/bug-reports#TOC-File-a-Ticket
asking to add a tag for Tongyong to this file:
https://github.com/unicode-org/cldr/blob/master/common/bcp47/transform.xml

— Sascha

Am Mi., 20. Mai 2020 um 15:21 Uhr schrieb Phake Nick <c933103@gmail.com>:
>
> This request is a resubmission of a similar request from January 2019, with a few changes including additional reference links (Thanks to Doug Ewell's help) and also removed hak/nan prefix from the request (While Tongyong romanization system for the two languages have been created published, the amount of people using them seems minimal and thus it's probably betternot to conflate the subtag with the version of system for those languages)
>
> 1. Name of requester: Phake Nick
>
> 2. E-mail address of requester: c933103 at gmail.com
>
> 3. Record Requested:
>
> Type: variant
> Subtag: tongyong
> Description: Tongyong Pinyin romanization
> Prefix: zh-Latn
> Comments: Former official transcription standard for Mandarin Chinese in Taiwan.
>
> 4. Intended meaning of the subtag: Indicate Romanized content that use
> Tongyong pinyin romanization
>
> 5. Reference to published description of the language (book or
> article):
>
> a. "Guidelines of Using Chinese Phonetic Spelling", published by the
> government of Taiwan in 2002.
> http://www.rootlaw.com.tw/LawContent.aspx?LawID=A040030001010900-1000310
>
> b. "Hanyu Pinyin to be standard system in 2009". Shih Hsiu-Chuan. In
> Taipei Times, 2008-09-18.
> http://www.taipeitimes.com/News/taiwan/archives/2008/09/18/2003423528
>
> c. "Lost in Romanisation". In The Economist, 2014-06-07.
> https://www.economist.com/asia/2014/06/07/lost-in-romanisation
>
> 6. Any other relevant information: The Tongyong Pinyin transcription standard was official in Taiwan in the mid-2000s. It has now been displaced by Pinyin romanization as the official transcription rule for Chinese languages in Taiwan, however it is still continually being used to a certain extent within Taiwan and thus it would be helpful to have a variant subtag to separate it from Pinyin Romanization.
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