Re: [csswg-drafts] [css-backgrounds-3] Clarification on animation additive composite behavior for box-shadow (#4330)

For the record, generally with list-y things, add is spec'd as list concatenation and accumulate is spec'd as component-wise addition. 

Also, it's very possible this is spec'd for `box-shadow` and I overlooked it, so please lmk if so.

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Received on Wednesday, 18 September 2019 19:55:12 UTC