W3C home > Mailing lists > Public > www-style@w3.org > September 2010

Re: [css3-backgrounds] Example XV inconsistent with prose of section 3.6

From: Tab Atkins Jr. <jackalmage@gmail.com>
Date: Mon, 13 Sep 2010 16:58:41 -0700
Message-ID: <AANLkTinnju5oLZGFfRtH7OiZxDncaa-=Lw9GaFfd5Bu9@mail.gmail.com>
To: Brian Manthos <brianman@microsoft.com>
Cc: "www-style@w3.org" <www-style@w3.org>
On Mon, Sep 13, 2010 at 4:55 PM, Brian Manthos <brianman@microsoft.com> wrote:
> From: Tab Atkins Jr. [mailto:jackalmage@gmail.com]
>> On Mon, Sep 13, 2010 at 4:47 PM, Brian Manthos
>> <brianman@microsoft.com> wrote:
>>> http://dev.w3.org/csswg/css3-background/
>>> 3.6  The ‘background-position’ property If only one value is
>>> specified, the second value is assumed to be ‘center’.
>>>
>>> 3.10  The ‘background’ shorthand property p { background: 40%
>>> url("chess.png") / 10em gray
>>>        round fixed border-box; }
>>> is equivalent to:
>>> …
>>> background-position: 40% 50%;
>>> …
>>>
>>>
>>> I believe this is incorrect.
>>>
>>> The equivalent is
>>>         background-position: 40% center; or
>>>         background-position: 40%;
>>>
>>>
>>> Am I misunderstanding?
>>
>> 'center' and '50%' are equivalent in the context of a background-position.
>
> For rendering yes, for OM no...

Ah, right.  Yeah, then that example is incorrect.

~TJ
Received on Monday, 13 September 2010 23:59:33 GMT

This archive was generated by hypermail 2.3.1 : Tuesday, 26 March 2013 17:20:31 GMT