W3C home > Mailing lists > Public > www-style@w3.org > May 2013

Re: margin-inline-start and friends

From: L. David Baron <dbaron@dbaron.org>
Date: Thu, 9 May 2013 15:03:02 -0700
To: "Tab Atkins Jr." <jackalmage@gmail.com>
Cc: Simon Sapin <simon.sapin@exyr.org>, fantasai <fantasai.lists@inkedblade.net>, www-style list <www-style@w3.org>
Message-ID: <20130509220302.GA19488@crum.dbaron.org>
On Thursday 2013-05-09 14:59 -0700, Tab Atkins Jr. wrote:
> On Thu, May 9, 2013 at 2:56 PM, Simon Sapin <simon.sapin@exyr.org> wrote:
> > Le 09/05/2013 23:51, fantasai a Γ©crit :
> >> You need to cascade and compute writing-mode and direction first,
> >> then cascade the logical properties. Antenna House Formatter has
> >> an implementation of this, and helped us to specify it.
> >
> > Ah, I see. Interesting. Did implementers notice some runtime cost in doing
> > the cascade in two passes?
> 
> That's not necessary, under David's proposal.  You can cascade them
> together and then determine at computed-value time what property
> affect which sides.

No, it does require doing the cascade separately.  But Gecko already
does cascading separately for groups of properties, so it's fine for
us.

-David

-- 
π„ž   L. David Baron                         http://dbaron.org/   𝄂
𝄒   Mozilla                           http://www.mozilla.org/   𝄂
Received on Thursday, 9 May 2013 22:03:31 UTC

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