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Re: [public-webapps] Comment on Widget URI (7)

From: Marcos Caceres <marcosc@opera.com>
Date: Thu, 17 Dec 2009 12:29:19 +0100
Message-ID: <b21a10670912170329i3e9acd0r404cc1fca51f9c8d@mail.gmail.com>
To: Larry Masinter <masinter@adobe.com>
Cc: Marcin Hanclik <Marcin.Hanclik@access-company.com>, Robin Berjon <robin@berjon.com>, "www-tag@w3.org" <www-tag@w3.org>
On Thu, Dec 17, 2009 at 3:20 AM, Larry Masinter <masinter@adobe.com> wrote:
> (bcc public-webapps since not as relevant)
> I actually think the TAG discussions about versioning and the use of version
> indicators has been helpful, but it's been hard to drive this to a publication,
> because there's still some work to be done. However, I think the main insight
> I've had is that version indicators have limited (but non-zero) utility in
> situations where the popular language implementations evolve independently
> of published language specifications. Normally, if language implementations
> follow language specifications closely, you can use the version number of
> the specification as a good indicator of the version number of the language.
> However, in situations like HTML, where the implementations have evolved
> -- and are likely to continue to evolve -- independently of the versions
> of the specifications (and each other), the utility of a version indicator
> is more confusing. Users would *like* a version indicator to correspond
> to a category of implementation, but the only thing we can give version
> numbers to realistically are versions of specifications instead. So the
> utility is limited to controlled situations where the producer of the document
> with a version indicator really carefully intends to note a specification
> version, or to cause validation against a particular specification.
> I'm not quite sure what "P&C" is, to know how this analysis applies to it.

Sorry, P&C is the "Widget Packaging and Configuration" specification:


Marcos Caceres
Received on Thursday, 17 December 2009 11:30:19 UTC

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