Re: [csswg-drafts] [css-display-3] Clarify whether the initial containing block establishes a block formatting context (#7207)

I think this is worth clarifying. For example, the alignment behavior of the root element is consistent with the way block layout work, but not how flex layout works: `margin: auto` aligns in the inline axis, but not in the block axis. That's not otherwise specified, unless we define the IFB to lay out the root element as a block-level box.

We could say that the ICB has a special formatting context, but we should define it as a set of differences from block layout; otherwise we'll level various behaviors effectively undefined.

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Received on Thursday, 17 November 2022 23:23:13 UTC