[css-sizing] Indefinite floats

http://dev.w3.org/csswg/css-sizing/#block-intrinsic says:
> If the computed inline-size of a block-level box is min-content,
> max-content, or a definite size, its min-content inline-size
> contribution is that size plus any inline-axis margin, border, and
> padding.> Otherwise, if the computed inline-size of the block is
> fit-content, auto, or fill, its min-content inline-size contribution
> is its min-content inline-size plus any inline-axis margin, border,
> and padding.

How does that work if a margin or padding is not definite? (I.e. a 
percentage or 'auto'.) The Sizing draft doesn’t say as far as I can tell.

I seem to remember "resolve to zero" is the answer, but I can’t find 
where this is defined.

-- 
Simon Sapin

Received on Tuesday, 7 October 2014 23:49:47 UTC