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In 2.2.2 Dependencies, the following requirement is made: “Implementations must support the Media Queries language. [MQ]” This is a somewhat odd requirement. Media Queries would more appropriately be called part of CSS rather than a language, and there is no logical reason why HTML5 spec should impose such a requirement – the level of CSS support should really not be a conformance criterion when discussing HTML5 conformance. But if the requirement is there, I think it should refer the W3C Recommendation “Media Queries”, http://www.w3.org/TR/css3-mediaqueries/, a stable document dated 19 June 2012, rather than the editor’s draft for “Media Queries Level 3”, http://w3c-test.org/csswg/mediaqueries3/, dated 13 April 2012, which says: “Don't cite this document other than as work in progress.” It seems that the latter has lost significance, and readers of the HTML5 spec should not be confused by referring to it.
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: Changed reference Rationale: In this case, the TR version is actually more recent than the ED. Jukka: it makes sense to require MQ here because it is used directly as part of HTML, so it's a hard dependency (unlike, say, styling). https://github.com/w3c/html/commit/a7bb8b33db4421afc0fe480b43756ccf25e6e8cb