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Re: [css3-exclusions] ordering exclusions by z-order

From: Tab Atkins Jr. <jackalmage@gmail.com>
Date: Mon, 25 Jun 2012 14:51:29 -0700
Message-ID: <CAAWBYDCps7UCzuQsZvGc67iyDBpc24YnzwbUHYQ67juwJaOK0g@mail.gmail.com>
To: robert@ocallahan.org
Cc: Rossen Atanassov <Rossen.Atanassov@microsoft.com>, Alan Stearns <stearns@adobe.com>, www-style <www-style@w3.org>
On Thu, Jun 21, 2012 at 4:20 PM, Robert O'Callahan <robert@ocallahan.org> wrote:
> On Fri, Jun 15, 2012 at 9:30 AM, Rossen Atanassov
> <Rossen.Atanassov@microsoft.com> wrote:
>> Thanks Rob, the proposed text sounds good and I’ll try to push it into the
>> ED. Still, I am still puzzled by the insistence on this spec to be different
>> and specify everything in terms of fragmentation.
> Existing specs often fail to take account of the one-to-many relationship of
> elements and boxes, and have had lots of ambiguities as a result, so
> existing spec text is often not a good model to follow :-(. Some specs do
> take account of multiple boxes where the problems became glaringly obvious
> and editors were responsive, e.g. CSSOM View discusses multiple boxes in a
> few places.
> I don't think we should try to have the Fragmentation spec define how every
> other spec should be modified to handle elements with multiple boxes. There
> isn't a uniform way to do those modifications, so it would violate spec
> modularity and make things very hard to understand since you'd constantly be
> referring to CSS Fragmentation to understand how each spec actually needs to
> work. E.g., I think Flexbox spec, not the Fragmentation spec, should define
> any differences between pagination of flexboxes and other kinds of boxes,
> and it should define how flexbox features should work in the presence of
> pagination.

Which it does (though informatively for now, until we get feedback),
and I agree that it's definitely a custom job every time.  Every
layout spec has its own special foibles and invariants it would like
to maintain in the face of fragmentation.

Received on Monday, 25 June 2012 21:52:19 UTC

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