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Re: [css regions] How do regions paginate?

From: Vincent Hardy <vhardy@adobe.com>
Date: Thu, 13 Oct 2011 11:00:15 -0700
To: David Hyatt <hyatt@apple.com>, "www-style@w3.org list" <www-style@w3.org>
Message-ID: <CABC7485.1C8DD%vhardy@adobe.com>
From: David Hyatt <hyatt@apple.com<mailto:hyatt@apple.com>>
Date: Thu, 13 Oct 2011 10:47:44 -0700
To: "www-style@w3.org<mailto:www-style@w3.org> list" <www-style@w3.org<mailto:www-style@w3.org>>
Subject: [css regions] How do regions paginate?

How do regions paginate, e.g., when they are broken up across pages when printing? I am assuming content would first flow through the regions on page one and then flow through the regions on page two.

Example: Suppose you have three regions, two super tall ones, A and B, and one short one, C. You then print those regions. A and B span two pages, but C fits on the first page. The regions A and B have "subregions" on each page, A1 and B1 on page one, and A2 and B2 on page two.

I'd assume the flow of content through the regions would be A1 -> B1 -> C -> A2 -> B2, and not A1 -> A2 -> B1 -> B2 -> C, since the latter would force someone to scan into page 2 and then jump back to page 1 to keep reading.

I think this needs to be specified, since we want to make sure it matches column layout, which behaves like the former example.


Hi Dave,

Yes, columns have a model where a new row of column boxes are generated on page breaks. For regions, I was actually assuming the A1->A2->B1->B2->C behavior because we define the flow order to be the document order and not bound to the rendering order.

However, I agree that it would be better the way you suggest.

What about we specify that the region ordering, in paged media, is done in document order on a per-page basis? I think saying that would be enough to specify the behavior we want.

Received on Thursday, 13 October 2011 18:00:44 UTC

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