Re: [csswg-drafts] [css-cascade] What is the appropriate syntax for appending to nested layers? (#5791)

> The idea of it being a fallback may even be written into a spec somewhere.

The general policy is that commas are used to separate lists of parallel syntax. Those might be for fallback, but they're also used for stacked things (like background), consecutive things (like gradient stops), or just a group of things (like Selectors).

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Received on Thursday, 28 January 2021 19:06:04 UTC