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Re: Decentralised extensibility idea (ISSUE-41)

From: Julian Reschke <julian.reschke@gmx.de>
Date: Fri, 15 Jan 2010 18:29:46 +0100
Message-ID: <4B50A60A.7050303@gmx.de>
To: "Tab Atkins Jr." <jackalmage@gmail.com>
CC: Toby Inkster <tai@g5n.co.uk>, Leif Halvard Silli <xn--mlform-iua@xn--mlform-iua.no>, Philip J├Ągenstedt <philipj@opera.com>, "public-html@w3.org" <public-html@w3.org>
Tab Atkins Jr. wrote:
> On Fri, Jan 15, 2010 at 9:34 AM, Julian Reschke <julian.reschke@gmx.de> wrote:
>> Tab Atkins Jr. wrote:
>>> The second isn't really distributed extensibility, because the
>>> browsers have to support each vocab manually.
>> I disagree that this isn't D.E. You seem to assume the D.E. implies some
>> kind of code-on-demand, which IMHO is not what most people think. Otherwise
>> XML namespaces wouldn't qualify either.
> I'm making a slightly subtler point.  Microdata, RDFa, and even XML
> Namespaces can all be processed with a generic processor that has no
> information about the actual vocabularies being used.  You can just
> say "Find me all the items/triples/namespaced elements on the page",
> and it can do it.  Thus the extensibility granted by these
> technologies is distributed, as no central authority has to recognize
> and bless your vocab for it to be processable by generic tools.
> ...


This is the well-known issue of @profile allowing to signal the presence 
of a specific extension, but being able to identify where exactly it is 
used; so it doesn't disambiguate.

I like @profile mainly for it being there already, but I do see it's of 
limited value.

> ...

Best regards, Julian
Received on Friday, 15 January 2010 17:30:26 UTC

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