- From: Julian Reschke <julian.reschke@gmx.de>
- Date: Fri, 15 Jan 2010 18:29:46 +0100
- 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 Jägenstedt <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. > ... Understood. 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