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[css-flexbox] Minor clarification needed to spec text on % margins/paddings

From: Daniel Holbert <dholbert@mozilla.com>
Date: Fri, 3 Jul 2015 09:54:39 -0700
To: www-style list <www-style@w3.org>
Message-ID: <5596BE4F.5010306@mozilla.com>
Hi www-style,

I just had a Twitter discussion with some web devs who (understandably)
misunderstood the Flexbox spec text in section 4.2, "Flex Item Margins
and Paddings".

The spec text currently says (in the ED):
  # Percentage margins and paddings on flex items are
  # always resolved against their respective dimensions

The problem here is the word "their" -- it's ambiguous here. It very
much *sounds* like it refers to "the flex items'" -- i.e. it sounds like
it's saying that percent margins/padding on a flex item resolve against
*the flex item's own* respective dimension.

(Really, I think it's meant to refer to the margin/padding's respective
dimension -- so margin-top's "respective dimension" is height, etc.  But
that's a bit abstract.)

Could this text be tweaked to be clearer? Perhaps just adding "of their
containing block" at the end of this clause would be sufficient.

Received on Friday, 3 July 2015 16:55:11 UTC

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