Re: [csswg-drafts] Auto Keyword value type of size Intrinsic vs Extrinsic. (#11009)

`width: auto` is an [automatic size](https://drafts.csswg.org/css-sizing-3/#automatic-size), which can have various different behaviors, e.g.

 - For non-replaced in-flow blocks with `justify-self: normal` in an horizontal writing mode, it behaves like `stretch` so it's extrinsic.
 - For floats it behaves as `fit-content` instead, i.e. like `stretch` but clamped between `min-content` and `max-content`, so mostly intrinsic I would say.

`height: auto` is also an automatic size, but the rules for automatic sizes tend to be different on the inline and the block axes.

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Received on Tuesday, 8 October 2024 05:03:39 UTC