swa66 - 8:57 am on Aug 28, 2013 (gmt 0)
Also, note that <th> is not supported in HTML5. Instead, you could use <tbody> and <thead>.
Unless you can show a part of the spec of HTML5 that says that's true, I'd call that factually false.
<th> is still defined here:
As a matter of fact the examples in the html5 spec use <th> extensively:
[not linked intentionally: You need the #parts ...]