Tab [mentions](https://github.com/w3c/csswg-drafts/issues/1971#issuecomment-380139258) both uses cases which indicates to me that they'll add what we currently do for `-moz-hidden-unscrollable` as a new value eventually. So I'm updating the title of this bug accordingly. To be clear: we should leave all code related to `-moz-hidden-unscrollable` as is and write new code for `clip`.
Bug 1531609 Comment 11 Edit History
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Tab [mentions](https://github.com/w3c/csswg-drafts/issues/1971#issuecomment-380139258) both uses cases which indicates to me that they'll add what we currently do for `-moz-hidden-unscrollable` as a separate new value eventually. So I'm updating the title of this bug accordingly. To be clear: we should leave all code related to `-moz-hidden-unscrollable` as is and write new code for `clip`.