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Re: ISSUE-76: Need feedback on splitting Microdata into separate specification

From: Ian Hickson <ian@hixie.ch>
Date: Mon, 7 Dec 2009 18:23:57 +0000 (UTC)
To: Aryeh Gregor <Simetrical+w3c@gmail.com>
Cc: public-html <public-html@w3.org>
Message-ID: <Pine.LNX.4.62.0912071743210.24966@hixie.dreamhostps.com>
On Mon, 7 Dec 2009, Aryeh Gregor wrote:
> On Sun, Dec 6, 2009 at 6:22 PM, Toby Inkster <tai@g5n.co.uk> wrote:
> > Why is it not conceivably reusable outside of HTML?
> Well, okay, let me back down a bit on that.  It's conceivably reusable 
> outside of HTML, yes.  But no more or less than, say, <video>.  It's 
> plausible that other specifications would want to include videos.  For 
> instance, SVG currently allows embedding bitmap images, and it might 
> make sense for it to allow embedding videos too.  The same goes for many 
> other parts of HTML, even <img>.

It's actually even worse than those two, because the microdata processing 
model makes certain assumptions about the vocabulary. For SVG to reuse 
itemscope=""/itemprop=""/etc, the processing model would have to be 
rewritten to define how it works in SVG, and SVG would have to be extended 
to provide parallels for <time itemprop datetime>, <meta itemprop 
content>, <link itemprop href>, etc. In practice I think the end result 
would be a whole new spec, that just reuses the attribute names.

Ian Hickson               U+1047E                )\._.,--....,'``.    fL
http://ln.hixie.ch/       U+263A                /,   _.. \   _\  ;`._ ,.
Things that are impossible just take longer.   `._.-(,_..'--(,_..'`-.;.'
Received on Monday, 7 December 2009 18:24:29 UTC

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