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Re: Can Open Graph Protocol be validated by W3C Markup Validation Service ?

From: Benjamin Hawkes-Lewis <bhawkeslewis@googlemail.com>
Date: Sun, 9 Jan 2011 10:25:40 +0000
Message-ID: <AANLkTim1f1OXk8raa1tZ6nkh6df84J5GL3YKo8UQkKgv@mail.gmail.com>
To: "Philip Taylor (Webmaster, Ret'd)" <P.Taylor@rhul.ac.uk>
Cc: Fred Marka <fredmarka@hotmail.com>, www-validator@w3.org
On Sun, Jan 9, 2011 at 9:58 AM, Philip Taylor (Webmaster, Ret'd)
<P.Taylor@rhul.ac.uk> wrote:
> Are you in a position to be able to explain why RDFa chose to
> require a non-conformant syntax ?

HTML 4.01 conformance was not a goal for RDFa. Indeed, the original
conformance target seems to have been XHTML2.

RDFa needed a way to specify the property designated by arbitrary
elements. Overloading @name would not have been realistic, since @name
already has different meanings on different elements (e.g. as a
fragment identifier, as a form submission key). See also the original
note proposing RDFa:

http://www.w3.org/MarkUp/2004/02/xhtml-rdf.html

--
Benjamin Hawkes-Lewis
Received on Sunday, 9 January 2011 10:26:15 GMT

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