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Policy for one vendor using the vendor-prefix from another vendor?

From: Simon Fraser <smfr@me.com>
Date: Tue, 11 May 2010 12:03:17 -0700
Message-id: <3CF9C121-11EF-49A9-84E0-5FB00732D5FD@me.com>
To: "www-style@w3.org list" <www-style@w3.org>
We've noticed that IE Mobile for Windows has implemented support for property with a -webkit-prefix:

We believe that by convention, vendor prefixes are owned by the relevant vendor, and that vendors supporting each others prefixes undermines the vendor prefix system. A vendor should be able to change the behavior of a vendor-prefixed property at any time, without having to worry about another vendor who is squatting on the same prefix.

You may argue that if a vendor implements the prefix from another vendor, they do so entirely at their own risk. However, there's always a risk that such a cross-vendor prefix usage becomes widely enough deployed that a change in behavior by the original vendor would have too significant consequences, leading to unwanted lock-in. This we would like to avoid.

I propose that the section on vendor prefixes here
should strongly discourage cross-vendor prefix usage.

Received on Tuesday, 11 May 2010 19:04:06 UTC

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