Bugzilla – Bug 763
ins and del datetime attribute may take only a date (no longer require time)
Last modified: 2010-12-03 11:08:19 CET
The ins and del elements' datetime attribute is now a valid date string with **optional** time. (emphasis added).
This was changed in the spec as of August 24th
as the spec used to require a date and time in the ins and del elements' datetime attribute.
Thanks for the bug report. This is now fixed in the sources, though not yet deployed at validator.nu -- but in the mean time you can test it here: