- From: Michael Hausenblas <michael.hausenblas@deri.org>
- Date: Thu, 14 Jan 2010 10:11:07 +0000
- To: Julian Reschke <julian.reschke@gmx.de>
- CC: Lachlan Hunt <lachlan.hunt@lachy.id.au>, Larry Masinter <masinter@adobe.com>, www-archive <www-archive@w3.org>, Ian Hickson <ian@hixie.ch>
> "Whether this occurs through the extensibility mechanism of XML, whether > it is also allowed in the classic HTML serialization, and whether it > uses the DTD and Schema modularization techniques, is for the HTML WG to > determine." > > So, for instance, extending the language schema (be it DTD or whatever) > or XML namespaces are *examples* for these kind of extensibility. Exactly. Looking at [1] makes me think that there are plenty of evidence for extending-the-language-schema-through-DTD re RDFa ;) Cheers, Michael [1] http://www.w3.org/MarkUp/DTD/ -- Dr. Michael Hausenblas LiDRC - Linked Data Research Centre DERI - Digital Enterprise Research Institute NUIG - National University of Ireland, Galway Ireland, Europe Tel. +353 91 495730 http://linkeddata.deri.ie/ http://sw-app.org/about.html > From: Julian Reschke <julian.reschke@gmx.de> > Date: Thu, 14 Jan 2010 11:04:49 +0100 > To: Michael Hausenblas <michael.hausenblas@deri.org> > Cc: Lachlan Hunt <lachlan.hunt@lachy.id.au>, Larry Masinter > <masinter@adobe.com>, www-archive <www-archive@w3.org>, Ian Hickson > <ian@hixie.ch> > Subject: Re: HTML+RDFa Heartbeat Draft publishing request > > Michael Hausenblas wrote: >> ... >> I must wonder how one can think this is not the case. Maybe I've missed >> something, but, what are in your opinion, Julian, "extension mechanisms that >> allow adding independently developed vocabularies to HTML" - can you give >> examples, please? >> ... > > There are different kinds of extension mechanisms. Depending on how they > work, they are useful for different requirements. > > I never did dispute that RDFa or Microdata are extension mechanisms, nor > that they allow to include independently developed vocabularies. > > However, the charter gives three very concrete examples, ITS, Ruby, and > RDFa, and all these examples extend the HTML *syntax*. Neither RDFa nor > Microdata offer this kind of extensibility. > > The discussion of whether this kind of extensibility is desirable is > totally orthogonal btw. All I'm saying is: I do not believe that RDFa or > Microdata are solutions that work for what the charter asked for. I > could be convinced by a demonstration. > > Back to your question - examples are in the charter: > > "Whether this occurs through the extensibility mechanism of XML, whether > it is also allowed in the classic HTML serialization, and whether it > uses the DTD and Schema modularization techniques, is for the HTML WG to > determine." > > So, for instance, extending the language schema (be it DTD or whatever) > or XML namespaces are *examples* for these kind of extensibility. > > Best regards, Julian
Received on Thursday, 14 January 2010 10:11:41 UTC