Re: [csswg-drafts] [css-values-5] Misleading statement about syntax-checking arbitrary substitution functions at parse time (#12398)

There is also this sentence in CSS Variables 2, with `var()` pointing to the "standard grammar":

  > In addition, if the value of a custom property contains a [`var()`](https://drafts.csswg.org/css-variables-2/#funcdef-var) reference, the `var()` reference must be valid according to the specified `var()` grammar. If not, the custom property is invalid and must be ignored.

https://drafts.csswg.org/css-variables-2/#syntax

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Received on Thursday, 3 July 2025 14:36:28 UTC