- From: Øyvind Stenhaug <oyvinds@opera.com>
- Date: Thu, 07 Jan 2010 12:03:37 +0100
- To: fantasai <fantasai.lists@inkedblade.net>
- Cc: "www-style@w3.org" <www-style@w3.org>
On Thu, 07 Jan 2010 02:37:31 +0100, fantasai <fantasai.lists@inkedblade.net> wrote: > On 01/06/2010 09:19 AM, Øyvind Stenhaug wrote: >> The current text says "If two values are given and at least one value is >> not a keyword, then the first value represents the horizontal position >> (or offset) and the second represents the vertical position (or >> offset)". There are a couple of cases where this is nonsensical, since >> one can have >> >> <bg-position> = [ top | bottom ] [ <percentage> | <length> ] >> >> (e.g. "background-position: top 10px"), where the first value clearly >> can't represent the horizontal position. > > That combination is forbidden by the property's value grammar: > http://www.w3.org/TR/css3-background/#the-background-position > (This restriction is inherited from CSS2 and cannot be changed.) As far as I can see the grammar does allow it. Drill down three times taking the second option each time and (after omitting the question mark) you get what I cited above. It's part of the fourth line (and the double bar doesn't need both options to be present). -- Øyvind Stenhaug Core Norway, Opera Software ASA
Received on Thursday, 7 January 2010 11:04:32 UTC