Re: Unprefixing intrinsic size keywords (-moz-min-content et al)

"L. David Baron" <[email protected]> Thu, 27 Aug 2015 23:49:19 +0200

Newsgroups	gmane.comp.mozilla.devel.layout
Message-ID	<[email protected]>

On Thursday 2015-08-06 09:42 -0700, [email protected] wrote:
> We (blink) would like to unprefix the intrinsic sizing keywords:
> https://drafts.csswg.org/css-sizing/#width-height-keywords
> 
> We support them for widths and for heights (though they all do the same thing for heights)
> 
> We were wondering what Gecko's plans for those keywords is -- are you also interested in unprefixing? Are you happy with the keywords as specced? Would you rather stop supporting them?

I'm largely happy with them; they were my idea (under different
names) originally, although that proposal predated serious work on
vertical writing modes, which makes things a bit more complicated.
I haven't looked closely at the relevant specs lately, but I think
the controversial spec parts are the actual definitions of intrinsic
sizes, whereas the spec for the keywords is pretty trivial.  Though
at a quick glance I think the spec at
https://drafts.csswg.org/css-sizing/#width-height-keywords for fill,
max-content, min-content, and fit-content is fine, at least for the
inline-size direction.  (This of course requires that the actual
definitions exclude the effects of the (min-/max-/)(width/height)
properties, which I believe they do.)

My biggest concern is probably what they mean when used in the block
direction.  I'm not sure we currently do anything sensible there, or
that the spec has sensible definitions for max-content, min-content,
and fill-available sizes there.

-David

-- 
𝄞   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)

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