Re: [csswg-drafts] [css-transitions] clarify that the `all` keyword used in `transition-property` applies to custom properties (#8456)

I'm not sure it's supposed to? The `all` keyword was originally bespoke, predating both the 'all' property *and* custom properties, but when we added 'all' it was nice and convenient to have the `all` keyword switch to just being a standard property name. And 'all' doesn't shorthand custom properties, so the `all` keyword won't animate them.

The intention for a long time has been that we would have a '--' property that was a shorthand for all custom properties, identical to 'all', so you could animate all custom properties with `transition-property: --;`.

That said, there's probably nothing particularly *wrong* with having the `all` keyword continue to be bespoke and cause literally *all* properties to transition. It's just slightly inconsistent with the intended model.

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Received on Wednesday, 15 February 2023 16:26:13 UTC