Subject: Re: [Ltru] Proposed note on well-formed but not valid language tags

From: Addison Phillips <[email-masked]>
Date: Thu, 21 Feb 2008 11:20:12 -0800

An old thread being dealt with here.

Debbie Garside wrote:
> So do you agree with the following?

Yes, but some wording and example changes seemed necessary.

>  
> 
> Language tags may be well formed in terms of syntax but not valid in 
> terms of content. Users MUST NOT assign and use their own subtags, other 
> than private use codes as designated within the underlying standards, as 
> they may find an as yet unassigned subtag may be officially assigned at 
> a later date with a different meaning.
> 
>  
I put in:

<t>Language tags may be well-formed in terms of syntax but not valid in 
terms of content. Users MUST NOT assign and use their own subtags, other 
than private-use sequences (such as "en-x-personal") or by using subtags 
designated as private-use in the registry (such as "no-QQ", where 'QQ' 
is one of a range of private-use ISO 3166 codes). Otherwise they risk 
finding later that their previously unassigned subtag was assigned a 
meaning that conflicts with their chosen usage.</t>

Addison

-- 
Addison Phillips
Globalization Architect -- Yahoo! Inc.
Chair -- W3C Internationalization Core WG

Internationalization is an architecture.
It is not a feature.
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