W3C home > Mailing lists > Public > www-style@w3.org > February 2012

Re: wading into the Prefix morass...

From: David Singer <singer@apple.com>
Date: Tue, 21 Feb 2012 14:32:11 -0800
Cc: "www-style@w3.org Style" <www-style@w3.org>
Message-id: <3E244B01-52AC-4507-BF42-C24ECDEFE993@apple.com>
To: Christoph Pšper <christoph.paeper@crissov.de>

On Feb 21, 2012, at 6:02 , Christoph Pšper wrote:

> This is what implementers might be telling authors by use of prefixes:
>  -VND- We invented it and may use it internally. Donít use in the wild!
>        Similar features may be available in other browsers using
>        completely different names and incompatible syntax.
>  -pd-  Itís been proposed to the W3C. Try it out in our nightlies.
>        Even our prototypical implementation is not stable.
>        Syntax will change. You have been warned.
>  -ed-  Itís been accepted in general. Syntax may change at any time.
>        There might be a WD for it already, but weíre not satisfied 
>        with it or havenít had time for it yet, either way, our
>        implementation doesnít match the most current draft. Like 
>        -pd- itís not available in public releases, but there may be
>        an opt-in switch.
>  -wd-  Itís probably coming if others like it. Syntax should be stable,
>        but may have loopholes; border cases may be ambiguous or vague.
>        We make it available in public releases for everyone to test.
>        We will drop support for features thus prefixed with the first
>        release that follows a Call for Implementation.
> Implementers may combine -pd-, -ed- and -wd- as -draft-.
>  -lc-  Itís coming if others can implement it. Any upcoming revision
>        of syntax will be compatible, so adding it without a prefix
>        should be safe, although we donít support that yet.
>  -cr-  Itís defined in a stable draft, but we know our implementation
>        still contains bugs or follows an earlier draft. You may use
>        it without prefix for other or future implementations.
>  -pr-  Basically the same as -cr-.
>  -rec- Basically the same as -rec-.
> The prefixes -cr-, -pr- and -rec- may be combined into -bugs-.

I think this is overkill; features don't change nearly as often as this.

David Singer
Multimedia and Software Standards, Apple Inc.
Received on Tuesday, 21 February 2012 22:32:39 UTC

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