W3C home > Mailing lists > Public > www-style@w3.org > February 2009

Re: [css3-background] fallback color on background-image

From: fantasai <fantasai.lists@inkedblade.net>
Date: Mon, 23 Feb 2009 15:34:17 -0800
Message-ID: <49A33279.9040000@inkedblade.net>
To: "L. David Baron" <dbaron@dbaron.org>
CC: CSS WG <www-style@w3.org>
L. David Baron wrote:
> On Friday 2009-02-20 12:20 -0800, fantasai wrote:
>> You raised a parsing issue with using slash for both, and disambiguation
>> is less necessary for color (where always specifying both is a possible
>> workaround) than it is for background-size (where it would be mixed up
>> with background-position). So we dropped the slash for color. I don't
>> like it either, I also preferred the old syntax. If you have a better
>> solution than dropping the slash, or if you, as an implementor, think
>> keeping the slash is worth the parsing complexity, then let's reopen
>> this and resolve it another way. The current resolution was uncomfortable
>> enough to me that I left it marked in the draft.
> 
> There's no parsing complexity if we do either one of:
>  * come up with another syntax for separating background-size in the
>    shorthand
>  * require that you can't specify background-size in the shorthand
>    without also specifying background-position (so that you can't
>    use the '/' separating background-position and background size
>    and simultaneously omit background-position)

Would this be a third option?
   * require that background-size not immediately follow background-color
     (so that if you find a slash after background-color, you know the
     fallback color is next)

~fantasai
Received on Monday, 23 February 2009 23:34:57 GMT

This archive was generated by hypermail 2.3.1 : Tuesday, 26 March 2013 17:20:16 GMT