On Wed, Jun 12, 2013 at 10:05 AM, Dirk Schulze <dschulze@adobe.com> wrote:
>
> On Jun 12, 2013, at 9:55 AM, Doug Schepers <schepers@w3.org> wrote:
>
> > Hi, folks-
> >
> > On 6/12/13 7:48 AM, Dirk Schulze wrote:
> >>
> >> On Jun 12, 2013, at 4:33 AM, Rik Cabanier <cabanier@gmail.com>
> >> wrote:
> >>
> >>> How would you define it for SVG since it has no concept of a
> >>> 'stacking context'? For HTML, you eventually end up at the
> >>> 'elaborate description of stacking contexts' but there is no such
> >>> thing for SVG.
> >>
> >> You can add it to the SVG specification :) (And in fact we should add
> >> it to the third edition of SVG 1.1 and at some point to CSS
> >> directly.) However, this doesn't even matter for compositing at the
> >> moment. For compositing it is necessary to say that every property
> >> which creates a stacking context does also create an isolation group.
> >> And all the listed properties in Compositing do create a stacking
> >> context. That's it.
> >
> > I seem to recall that we talked about adding a simplified stacking
> > context for SVG, along with a z-index... Cameron, what's the status on
> that?
>
> It still wasn't added. I am just saying that we should define the stacking
> context for SVG 1.1 already. It is more of a symbolic definition there,
> since it doesn't change anything. SVG2 can extend it from there.
>
To what spec would it be added? I'd be happy to change the compositing spec
so I can point there.