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Re: [CSS21] Overflow/clip and stacking contexts

From: Simon Sapin <simon.sapin@kozea.fr>
Date: Sat, 12 May 2012 09:13:52 +0200
Message-ID: <4FAE0DB0.1050205@kozea.fr>
To: Simon Fraser <smfr@me.com>
CC: www-style list <www-style@w3.org>
Le 11/05/2012 22:21, Simon Fraser a écrit :
> This has been argued  before
> <http://lists.w3.org/Archives/Public/www-style/2009Feb/0131.html>
> and I'm still very much in favor of having overflow create stacking
> context. I've spent many hundreds of developer hours on making
> overflow work correctly with accelerated compositing in WebKit, and
> much of that time could have been saved if overflow simply created a
> stacking context.

I asked for the same reason. I would very much like to avoid spending 
many [insert multiplier] hours implementing overflow correctly (per the 
current spec, without a stacking context) ... at all.

I guess that WeasyPrint will stay non-conforming for the time being. The 
cost of implementing overflow without it creating a new stacking context 
is much higher for us that the interop concerns.

(Although we still have bigger interop concerns, like implementing 
floats ;))

Simon Sapin
Received on Saturday, 12 May 2012 07:14:25 UTC

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