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Description
Add more details on @scope boundary behaviour.
Motivation
The default inclusivity / exclusivity behaviour is non-obvious. There is description of it in the MDN page, and no example showing how to invert the selectivity if needed. There is also nothing that explains that a scope limit can be used with an inline @scope.
Additional details
In this revision, the selectivity behaviour is described, and examples given of how to alter the behaviour if needed.
The universal child selector approach is recommended in this WG bug for the lower bound: w3c/csswg-drafts#6577 . It generalises to the upper bound.
Related issues and pull requests