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RE: [widgets] P&C Last Call comments, versioning

From: Marcin Hanclik <Marcin.Hanclik@access-company.com>
Date: Tue, 2 Jun 2009 11:34:56 +0200
To: Cameron McCormack <cam@mcc.id.au>, Marcos Caceres <marcosc@opera.com>
CC: "public-webapps@w3.org" <public-webapps@w3.org>
Message-ID: <FAA1D89C5BAF1142A74AF116630A9F2C0A26ED8FF8@OBEEX01.obe.access-company.com>
Hi Cameron, Marcos,

>>Just to be clear, version="" and baseProfile="" in SVG Tiny 1.2 are used
>>only as a hint from the content author as to what minimum version of the
>>language is required for the content to work properly.
My point for versioning of widgets is exactly the same as in SVGT1.2.
It is for the content to state what spec it was developed against.
The statement "minimum version" already includes the monotonicity principle.

I do not try to claim that the namespace - used for versioning now - will be changed.
At best not, specifically for interoperability reasons.
The same is for version attribute ("1.0" could live forever).
I support the principle of monotonic spec growth, if it is possible.

The version attribute would be a kind of insurance policy for future that we would be able to benefit from in case there are some new use cases found to e.g. remove part of the spec.


Kind regards,

Marcin Hanclik
ACCESS Systems Germany GmbH
Tel: +49-208-8290-6452  |  Fax: +49-208-8290-6465
Mobile: +49-163-8290-646
E-Mail: marcin.hanclik@access-company.com

-----Original Message-----
From: Cameron McCormack [mailto:cam@mcc.id.au]
Sent: Monday, June 01, 2009 12:00 PM
To: Marcos Caceres
Cc: Marcin Hanclik; public-webapps@w3.org
Subject: Re: [widgets] P&C Last Call comments, versioning

Marcin Hanclik:
> > I have reviewed a few recommendations from http://www.w3.org/TR/.

> > a) SVGT1.2 http://www.w3.org/TR/2008/REC-SVGTiny12-20081222/ says:
> > "Future versions of this specification will maintain backwards
> > compatibility with previous versions of the language" SVGT1.2 uses
> > version attribute to describe the version of the standard that
> > was used to write the SVG document. They also use "baseProfile"
> > as a further means for content versioning/requirements in
> > http://www.w3.org/TR/2008/REC-SVGTiny12-20081222/single-page.html#implnote-VersionControl.

Just to be clear, version="" and baseProfile="" in SVG Tiny 1.2 are used
only as a hint from the content author as to what minimum version of the
language is required for the content to work properly.  No difference
in processing is required for differently specified version="" and
baseProfile="" attributes.

Cameron McCormack ≝ http://mcc.id.au/


Access Systems Germany GmbH
Essener Strasse 5  |  D-46047 Oberhausen
HRB 13548 Amtsgericht Duisburg
Geschaeftsfuehrer: Michel Piquemal, Tomonori Watanabe, Yusuke Kanda


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Received on Tuesday, 2 June 2009 09:36:08 UTC

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