[Ltru] zh-hakka (was: Re: RFC 4646 production "grandfathered" considered harmful)

["Doug Ewell" <dewell at adelphia.net>]

Frank Ellermann <nobody at xyzzy dot claranet dot de> wrote:

> John Cowan wrote:
>
> > How is zh-hakka different from zh-xiang or zh-guoyu (except that the 
> > latter is deprecated)?
>
> zh-xiang etc. are not referenced anywhere.  zh-hakka has a reference 
> from i-hak, it appears in a Preferred-Value field.

I'm not seeing the problem that Frank is seeing at all.

4646 Registry:

   Type: grandfathered
   Tag: i-hak
   Description: Hakka
   Added: 1999-01-31
   Preferred-Value: zh-hakka
   Deprecated: 2000-01-10

   Type: grandfathered
   Tag: zh-hakka
   Description: Hakka
   Added: 1999-12-18

The grandfathered tag "i-hak" is deprecated in favor of the 
grandfathered tag "zh-hakka".

4646bis Registry:

   Type: grandfathered
   Tag: i-hak
   Description: Hakka
   Added: 1999-01-31
   Preferred-Value: zh-hakka
   Deprecated: 2000-01-10

   Type: grandfathered
   Tag: zh-hakka
   Description: Hakka
   Added: 1999-12-18
   Preferred-Value: zh-hak
   Deprecated: 2007-01-01
   Comments: replaced by ISO code hak

   Type: extlang
   Subtag: hak
   Description: Chinese, Hakka
   Added: 2007-01-01
   Prefix: zh

The grandfathered tag "i-hak" is deprecated in favor of the 
grandfathered tag "zh-hakka", which in turn is deprecated by the 
generative tag "zh-hak", composed of subtags "zh" and "hak".

What is irregular or ill-advised about this?

> Similarly zh-cmn appears in the Preferred-Value of zh-guoyu, and at 
> the moment there's no subtag cmn.  A dangling pointer.

4646 Registry:

   Type: grandfathered
   Tag: zh-guoyu
   Description: Mandarin or Standard Chinese
   Added: 1999-12-18
   Preferred-Value: zh-cmn
   Deprecated: 2005-07-15

   Type: grandfathered
   Tag: zh-cmn
   Description: Mandarin Chinese
   Added: 2005-07-15

The grandfathered tag "zh-guoyu" is deprecated in favor of the 
grandfathered tag "zh-cmn".

4646bis Registry:

   Type: grandfathered
   Tag: zh-guoyu
   Description: Mandarin or Standard Chinese
   Added: 1999-12-18
   Preferred-Value: zh-cmn
   Deprecated: 2005-07-15
   Comments: replaced by ISO code cmn

   Type: extlang
   Subtag: cmn
   Description: Chinese, Mandarin
   Added: 2007-01-01
   Prefix: zh

   Type: redundant
   Tag: zh-cmn
   Description: Mandarin Chinese
   Added: 2005-07-15

The grandfathered tag "zh-guoyu" is deprecated in favor of the 
generative tag "zh-cmn", composed of subtags "zh" and "cmn". 
Coincidentally, there is also a redundant tag "zh-cmn" which is 
syntactically and semantically identical to the generative tag "zh-cmn".

What is irregular or ill-advised about this?

--
Doug Ewell
Fullerton, California, USA
http://users.adelphia.net/~dewell/
RFC 4645  *  UTN #14


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