Bugzilla – Dependency tree for
Bug 12581<time> In the section about the time element it is stated that it does not need the datetime attribute set if its textContent is a valid date or time string. So the selector here in the rendering section, time[datetime], ...
This is an archived snapshot of W3C's public bugzilla bug tracker, decommissioned in April 2019. Please see the home page for more details.