Re: [csswg-drafts] [css-contain-4] Make content-visibility animatable (#8627)

The three main points are:

1. Make content-visibility animateable
2. Adjust interpolation behavior (similar to display) to avoid the possibly hidden values `auto` and `hidden`. Meaning that when interpolating to/from `visible` the interpolated result for any intermediate progress is `visible`.
3. Follow the same pattern as display for ensuring that css animations cannot deactivate themselves. Currently following that pattern would mean treating `auto` and `hidden` as `revert`.

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Received on Thursday, 30 March 2023 14:22:38 UTC