- From: Romain Menke via GitHub <sysbot+gh@w3.org>
- Date: Thu, 25 Apr 2024 21:44:15 +0000
- To: public-css-archive@w3.org
> preprocessor uses, notably determining the specificity. Is there more?
For preprocessors or author tooling in general? No, all variations on the same theme :)
e.g. determining if `&::before {}` would be valid, which it might not be if `&` represents something like `::after`. This is essentially the same problem as calculating specificity.
You need to do something with `&` to be able to give feedback on what the author wrote.
This is true for any indirection (e.g. `var()`)
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