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Re: [css3-multicol] z-ordering of column-rules

From: Robert O'Callahan <robert@ocallahan.org>
Date: Tue, 24 Feb 2009 09:44:04 +1300
Message-ID: <11e306600902231244o4a89846cn1499faf106f7856e@mail.gmail.com>
To: Håkon Wium Lie <howcome@opera.com>
Cc: "www-style@w3.org" <www-style@w3.org>
On Tue, Feb 24, 2009 at 7:29 AM, Håkon Wium Lie <howcome@opera.com> wrote:

> Robert O'Callahan wrote:
>
>  > See http://www.w3.org/TR/css3-multicol/#column4. The spec says nothing
> about
>  > the z-order of column-rules relative to other rendered items. It needs
> to,
>  > in terms of http://www.w3.org/TR/CSS21/zindex.html.
>  >
>  > For a columns element that is also a stacking context, Webkit apparently
>  > paints them in step 4 or later, e.g. above negative-zindex children of
> the
>  > columns element. My preference is for the rules to be painted as part of
> the
>  > background of the columns element, just above the actual background ---
>  > i.e., for a columns element that is also a stacking context, at the end
> of
>  > step 2. This seems a bit more logical to me. Anyway, the spec needs
>  > clarification one way or another.
>
> Could you propose some text to this effect?
>

Just add a sentence to section 5:
"If a column rule is wider than its gap, the column rule will overlap
adjacent column boxes. **Column rules are painted above the multi-column
element's background and border (if any) and below any descendants of the
element.**"

Rob
-- 
"He was pierced for our transgressions, he was crushed for our iniquities;
the punishment that brought us peace was upon him, and by his wounds we are
healed. We all, like sheep, have gone astray, each of us has turned to his
own way; and the LORD has laid on him the iniquity of us all." [Isaiah
53:5-6]
Received on Monday, 23 February 2009 20:44:40 GMT

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