Ensure not-* does not remove :is(…)
#16825
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RobinMalfait
approved these changes
Feb 26, 2025
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Resolves #16821
This PR removes a special case in the
not-*variant compound that removed:is(…)if it was the only part of the inversed selector list. While in-theory this makes sense,:is(…)accepts a forgiving selector list where as:not(…)does not. See the last point here.This is an issue specifically in combinations with variants that have selectors that are not supported by all browsers yet, for example
:open.It seems to be the most expected to simply keep the
:is(…)here in any case.Test plan
not-openis generated but not applied #16821 now also works in browsers that do not support:open(Safari and Firefox at the time of writing this):