WHATWG Help Mailing List
The WHATWG Help Mailing List has been established for answering web developers’ general questions about Web Applications 1.0 (HTML 5 and XHTML 5) and Web Forms 2.0.
If you’ve read the specifications and The whatwg Mailing List Archives wondering, “When can I use HTML 5?”, this is the mailing list for HTML 5 help.