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The Web Platform Working Group has published a Proposed Recommendation of HTML 5.1 2nd Edition. This specification defines the 2nd edition of the 5th major version, first minor revision of the core language of the World Wide Web: the Hypertext Markup Language (HTML). In this version, a significant error with HTML 5.1 has been rectified, as noted in the Errata corrected section.
Comments are welcome through 31 August 2017.