- From: Gérard Talbot <css21testsuite@gtalbot.org>
- Date: Sun, 14 Oct 2012 01:37:09 -0400
- To: "Zhang, Zhiqiang" <zhiqiang.zhang@intel.com>
- Cc: "public-css-testsuite@w3.org" <public-css-testsuite@w3.org>, "Christensen, Kenneth" <kenneth.christensen@intel.com>, "Zhang, Haili" <haili.zhang@intel.com>, "Yu, Ling L" <ling.l.yu@intel.com>, "Yang, Lei A" <lei.a.yang@intel.com>
Le Sam 13 octobre 2012 16:36, "Gérard Talbot" a écrit :
> Additional note
> ---------------
>
> I'm not perfectly familiar with CSS 3 background but, after reading, I
> would assume that
>
> background: #CCC url("support/60x60-green.png") / 100% auto no-repeat;
>
> would do and should do the same (and should be parsed exactly) as
>
> background: #CCC url("support/60x60-green.png") top left / 100% auto
> no-repeat;
>
> ( or as
> background: #CCC url("support/60x60-green.png") 0% 0% / 100% auto
> no-repeat;
> )
>
> but it does not in Chrome 22 and Opera 12.02. I'm not sure why.
>
> "
> A double bar (||) separates two or more options: one or more of them
> must occur, in any order.
> "
> http://www.w3.org/TR/CSS21/about.html#property-defs
>
> and the syntax is:
>
> <bg-layer> = <bg-image> || <position> [ / <bg-size> ]? || <repeat-style>
> || <attachment> || <box>{1,2} || <'background-color'>
>
> Since top left can be translated into 0% 0% (which are the initial
> values), then it should be the same.
Please forget everything I wrote about such additional note. Thanks to
Boris Zbarsky, I figured this out and about the syntax: <bg-size> can
not be declared without <position>.
Gérard
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Received on Sunday, 14 October 2012 05:37:39 UTC