Re: [css3-page] Idea for simplier page-margin boxes

On Mon, Mar 25, 2013 at 10:45 PM, Håkon Wium Lie <howcome@opera.com> wrote:

> Robert O'Callahan wrote:
>
>  > I believe this would be more like
>  > @page :left div.pagenum { position: pagebox:
>  >      left: 8%; top: 3%;
>  >      content: counter(page) }
>  > @page :right div.pagenum { position: pagebox:
>  >      right: 8%; top: 3%;
>  >      content: counter(page) }
>  > Using positioning, you can get rid of the need to set text-align.
>
> That's shorter. Good. But you still don't align with the page area.
> And people will run into overlap/overflow issues, as we know they do
> with abspos.
>

As far as I can tell, the current language in the dev.w3.org spec would
cause the title and page number to overlap under exactly the same
conditions as the proposed positioning feature (i.e. when the width of the
title plus twice the width of the page number are greater than the page
area width).

Going down this path, one requirement would be to position elements
> wrt the page area -- I'd say that's an even more fundamental reference
> than then page box.
>

That's a good idea. It would be simple enough to declare that
position:pagebox makes top/left/right/bottom relative to the page area, and
have authors use negative values to position margin-boxes. Of course, then
it's possible the margin-boxes might overflow the margins, but if the
margins aren't wide enough for the margin-box content then there's no way
around that.

Rob
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