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Re: [css3-transitions] Transitioning font-size and relative lengths

From: L. David Baron <dbaron@dbaron.org>
Date: Wed, 8 Jan 2014 15:26:24 -0800
To: Rune Lillesveen <rune@opera.com>
Cc: www-style list <www-style@w3.org>
Message-ID: <20140108232624.GA17587@crum.dbaron.org>
On Tuesday 2011-11-01 13:33 +0100, Rune Lillesveen wrote:
> The current draft says:
> "Implementations also must not start a transition when the computed
> value changes because it is inherited (directly or indirectly) from
> another element that is transitioning the same property."
> Should it also say something along the lines of:
> "Implementations also must not start a transition when the computed
> value changes because a relative length is resolved against a
> transitioning font-size." ?
> I am having issues with various combinations of font-size, relative
> lengths, and inheritance because computed values rely on relative
> lengths, and it's not clear from the spec how it's supposed to work.
> An example where Chrome and Firefox behave differently:

The material in the transitions spec describing starting of
transitions has been substantially rewritten, as described in
http://lists.w3.org/Archives/Public/www-style/2013Nov/0192.html .  I
believe this rewrite should clarify the behavior in this set of


𝄞   L. David Baron                         http://dbaron.org/   𝄂
𝄢   Mozilla                          https://www.mozilla.org/   𝄂
             Before I built a wall I'd ask to know
             What I was walling in or walling out,
             And to whom I was like to give offense.
               - Robert Frost, Mending Wall (1914)

Received on Wednesday, 8 January 2014 23:27:06 UTC

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