W3C home > Mailing lists > Public > public-html@w3.org > November 2009

Re: ISSUE-55: Re-enable @profile in HTML5 (draft 2)

From: Julian Reschke <julian.reschke@gmx.de>
Date: Wed, 04 Nov 2009 15:25:00 +0100
Message-ID: <20091104142500.133620@gmx.net>
To: HTML WG <public-html@w3.org>
Henri Sivonen wrote:
> ...
>> - Defining the new replacement mechanism for @profile as rel="profile"
> What problem does this solve?

It solves the same problem that head/@profile solves; it's an indicator that a certain extension is used. This is relevant when multiple extensions occupy the same extension point in the syntax.

> The reasons against @profile have been that the concept is flawed and that even if the concept weren't
> flawed, having to make profiles apply to the whole page is a flaw. How does recasting @profile into a
> <link>-only rel value solve address either conceptual flaws or the limitations in being able to scope
> profiles to only a part of the HTML document?

Well, that's a separate question. And I do agree that if we change the syntax, it would be a good thing to also make it more useful, such as allowing to scope a profile declaration.

> The reasons in favor of @profile have been that GRDDL (etc.) uses it already. How does introducing a
> syntactic transformation that isn't recognized by pre-existing GRDDL (etc.) tools help GRDDL (etc.)?

It doesn't. Existing specs like GRDDL and DC-HTML still will have to be updated. But at least now there would be something they *can* transition to. Also do not forget that the proposal makes head/@profile conformant again, so there can be a transition period.

BR, Julian

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Received on Wednesday, 4 November 2009 14:25:42 UTC

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