fix(css‑env): Fix env() function syntax definition
#3475
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No, commas are implicitly omittable if they're not separating anything. (This makes some grammars far easier to write, and simplifies the look of even simple grammars like these.) |
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(and they must be omitted in some cases listed in Tab's link, so your first example is explicitly not valid) |
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https://drafts.csswg.org/css-env-1/#env-function
The current specification would require
prop: env(safe-area-inset-top,)to be valid andprop: env(safe-area-inset-top)to be invalid, but as we all know, it’s the other way around, so the spec is incorrect.See also:
env(…)function syntax mdn/data#326