Re: [Ltru] 2.2.1: definition of "primary language subtag"

["Phillips, Addison" <addison at amazon.com>]

We separately define "primary language subtag" in Section 2.2.1 (as well as extended language subtag in 2.2.2).

This particular form originated from 1766 and has persisted until today in various incarnations. It is useful, I think, to point out the "narrowing" idea, but this form may have outlived its usefulness. I propose we modify it to say:

--
<t>The language tag is composed of one or more parts, known as "subtags". Each subtag consists of a sequence of alphanumeric characters. Subtags are distinguished and separated from one another by a hyphen ("-", ABNF <xref target="RFC5234"/> %x2D) and each subtag refines or narrows the range of languages identified by the overall tag.</t>
--

Addison Phillips
Globalization Architect -- Lab126

Internationalization is not a feature.
It is an architecture.


> -----Original Message-----
> From: ltru-bounces at ietf.org [mailto:ltru-bounces at ietf.org] On
> Behalf Of Stephane Bortzmeyer
> Sent: Tuesday, July 08, 2008 2:01 AM
> To: Peter Constable
> Cc: LTRU Working Group
> Subject: Re: [Ltru] 2.2.1: definition of "primary language subtag"
>
> On Mon, Jul 07, 2008 at 10:51:30AM -0700,
>  Peter Constable <petercon at microsoft.com> wrote
>  a message of 33 lines which said:
>
> > I assume it's intended as a definition.
>
> But what's the point of defining "primary language subtag"? What's
> the
> use of this concept? I really wonder if we should suppress it
> instead.
>
> We find in -15 uses such as:
>
> >        Primary and extended language subtags (other than
> >        independently registered values created using the
> >        registration process) are created according to the
> >        assignments of the various parts of ISO 639,
>
> Which do not seem consistent with the definition because the
> definition works only when the "primary language subtag" is part of
> a
> whole tag, while the sentence above talks about isolated subtags.
>
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