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Re: [css-align][css-flexbox] Should 'justify-content: stretch' compute to or behave like 'start'?

From: Tab Atkins Jr. <jackalmage@gmail.com>
Date: Wed, 6 May 2015 13:25:25 -0700
Message-ID: <CAAWBYDBcMouMQq9x=e0tyRY+Cwm3fBf-22UwVEq2qK4dZ3zE0w@mail.gmail.com>
To: "L. David Baron" <dbaron@dbaron.org>
Cc: fantasai <fantasai.lists@inkedblade.net>, www-style list <www-style@w3.org>
On Wed, May 6, 2015 at 1:19 PM, L. David Baron <dbaron@dbaron.org> wrote:
> On Wednesday 2015-05-06 11:46 -0700, fantasai wrote:
>> On 05/05/2015 11:47 PM, Daniel Holbert wrote:
>> >On 05/05/2015 05:31 PM, fantasai wrote:
>> >>>All things being equal, I'd suggest erring on the side of simplicity
>> >>>(avoiding inter-property dependencies) -- so, I'd lean towards your
>> >>>second option, i.e. having stretch compute to itself, and simply
>> >>>interpret the value differently for flex containers.
>> >>
>> >>We currently have the 'auto' values in css-align compute differently
>> >>depending on the layout mode... that would be an argument for changing
>> >>that behavior, too?
>> >
>> >Sort of -- though, as you noted later, there's a semi-compelling reason
>> >that 'auto' needs to be magical & compute to different things: to
>> >provide different sane defaults, w/ backwards-compatibility. Whereas,
>> >there's no strong reason that 'stretch' needs this computed-value-time
>> >magic.
>> We resolved to have the alignment properties' auto (and 'stretch')
>> compute to their resulting behavior based on the layout mode. This
>> puts a dependency from the alignment properties to 'position' on
>> the element itself and 'display' on its parent'.
> That wasn't actually the resolution that was recorded:
>   RESOLVED: justify-content stretch computes to stretch but behaves
>   like start
> I probably should have pointed out that different people thought we
> were resolving different things, but the conversation was moving
> very quickly.

That's all that actually happened.  Everything else in the spec either
already computes, or needs to stay as "behaves as".

Received on Wednesday, 6 May 2015 20:26:12 UTC

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