CSSWG resolves that CSS OM serialisation should always serialise the implicit leading “&” selector and the implicit nested rule. https://drafts.csswg.org/css-nesting/#example-86e668eb
rdar://112900363
Pull request: https://github.com/WebKit/WebKit/pull/17064
Committed 267531@main (41f7a301e412): <https://commits.webkit.org/267531@main> Reviewed commits have been landed. Closing PR #17064 and removing active labels.