Re: [csswg-drafts] [css-backgrounds-4] Allow declaring `box-shadow-offset` with a single value (#8568)

And just to avoid that the notes from the other issue get missed, I mention them here as well.

Given that we also [want to allow different values for the horizontal and vertical spread radius](https://drafts.csswg.org/css-backgrounds-4/#level-changes) (and possibly for the blur radius as well), I suggest we rather introduce a new syntax and treat the current one as legacy syntax.

This is also similar to #6946.

And for a precedent where a new syntax was introduced, see the [color functions in CSS Color 4](https://drafts.csswg.org/css-color-4/#funcdef-rgb). 

Sebastian

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Received on Tuesday, 14 March 2023 22:26:27 UTC