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[css3-regions] Margins when breaking an auto-height region

From: Andrei Bucur <abucur@adobe.com>
Date: Thu, 7 Feb 2013 17:19:37 +0000
To: Alan Stearns <stearns@adobe.com>
CC: www-style list <www-style@w3.org>
Message-ID: <0394DBD1-2DC5-4658-A449-987D9E8E1BCC@adobe.com>
Hi Alan,

I was wondering what happens with the margins when an auto-height region is ended by a forced break. The CSS Fragmentation specification states [1] that the margins before the break are truncated and the margins after the break are preserved.
With auto-height regions the break point is not pre-determined and can change based on how we chose to treat margins.

In my opinion the expected behaviour would be:
1. prevent the margin collapsing around the break point
2. place the before-break margin in the auto-height region
3. make the break and end the auto-height region
4. place the after-break margin in the next region
5. continue laying out the next box



[1] http://dev.w3.org/csswg/css3-break/#break-margins
Received on Thursday, 7 February 2013 17:20:12 UTC

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