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[css-break] border-radius across fragmentation

From: Dirk Schulze <dschulze@adobe.com>
Date: Tue, 31 Dec 2013 10:45:55 +0000
To: www-style list <www-style@w3.org>
Message-ID: <EB9EAAF4-A6C6-4F45-AF7B-E0D3CC52659A@adobe.com>
Hi,

For sliced box-decoration the spec says: “[…] at a break […] ‘border-radius’ does not apply to its corners”[1]

I interpret the rest of the text that the behavior of ‘border-radius’ should be unchanged. Is that correct? My question is about ‘border-radius’ on one of the original corners that overlaps a break. See example in the fiddle:

http://jsfiddle.net/QBK7W/

The border-radius in the example is 80px and therefore in the middle of a break. The behavior of Safari/Chrome, Firefox and IE differ between each other.

1) Safari/Chrome do as I interpret the spec. The border-radius continues on the next fragment.
2) Firefox changes the border-radius (individually for top and bottom border) so that it fits in the current fragment and does not continue on the next fragment.
3) IE behaves like box-decoration-break: clone was specified. The corners on the break have a border-radius.

The spec is clear that behavior 3) is not wanted. I think the spec implies that 1) is the correct behavior. Would it be possible to get normative text or an example in the spec that clarifies the correct behavior?

Greetings, 
Dirk

[1] http://dev.w3.org/csswg/css-break/#break-decoration
Received on Tuesday, 31 December 2013 10:46:27 UTC

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