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The writing section should say that <body> may be omitted if body is empty. <head> can't be legally empty but since serializers will likely use these rules it would be nice if it said that <head> could be omitted when it's empty. (I guess the same could be argued about <html>...) <colgroup> and <tbody> can't be omitted when the element is empty. It would be good if the spec said so explicitly.
You can't serialise an HTML document with an empty <html> element to text/html. I didn't mention that you can omit the <head> element when the <title> is absent, because I fear confusing people who say "but it can't be empty!". I did the rest.
srcdoc documents can have empty head.
EDITOR'S RESPONSE: This is an Editor's Response to your comment. If you are satisfied with this response, please change the state of this bug to CLOSED. If you have additional information and would like the editor to reconsider, please reopen this bug. If you would like to escalate the issue to the full HTML Working Group, please add the TrackerRequest keyword to this bug, and suggest title and text for the tracker issue; or you may create a tracker issue yourself, if you are able to do so. For more details, see this document: http://dev.w3.org/html5/decision-policy/decision-policy.html Status: Accepted Change Description: see diff given below Rationale: Concurred with reporter's comments.
Checked in as WHATWG revision r4762. Check-in comment: Allow <head> tag to be omitted when the <head> element is empty, now that it can be. http://html5.org/tools/web-apps-tracker?from=4761&to=4762
This bug predates the HTML Working Group Decision Policy. If you are satisfied with the resolution of this bug, please change the state of this bug to CLOSED. If you have additional information and would like the editor to reconsider, please reopen this bug. If you would like to escalate the issue to the full HTML Working Group, please add the TrackerRequest keyword to this bug, and suggest title and text for the tracker issue; or you may create a tracker issue yourself, if you are able to do so. For more details, see this document: http://dev.w3.org/html5/decision-policy/decision-policy.html This bug is now being moved to VERIFIED. Please respond within two weeks. If this bug is not closed, reopened or escalated within two weeks, it may be marked as NoReply and will no longer be considered a pending comment.