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RE: [selectors-api] What DOM feature "Selectors API" belongs to?

From: Kartikaya Gupta <kagupta@rim.com>
Date: Thu, 14 Feb 2008 14:06:03 -0500
Message-ID: <24BE9C481C439C48831EB9E52639B9B60A8D4841@XCH42YKF.rim.net>
To: "Ian Hickson" <ian@hixie.ch>
Cc: "Sergey Ilinsky" <castonet@yahoo.co.uk>, "Lachlan Hunt" <lachlan.hunt@lachy.id.au>, <public-webapi@w3.org>

Ian Hickson wrote:
> On Thu, 14 Feb 2008, Kartikaya Gupta wrote:
> > 
> > If a user-agent returns "true" from hasFeature() without actually 
> > providing a conforming implementation of the feature, then that's a 
> > bug in the user-agent, no?
> Sure. So's the fact that it doesn't have a conforming implementation
> the first place. Bugs are common.

That's only a bug if they /claim/ to have a conforming implementation.
My point (which is what I think Sergey was trying to say) is that the
Selectors API specification can't arbitrarily reserve the
"querySelector" method name and declare that any DOM implementation that
has such a method implements the spec. That sets a very dangerous
precedent where other specifications could reserve other method names
and greatly reduce the freedom for user-agents to provide
vendor-specific/proprietary DOM extensions. The Selectors API *can*
however reserve a feature string, because that's the entire point of the
feature strings in the first place.

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Received on Thursday, 14 February 2008 19:06:18 UTC

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