HTML5 Doctype - too unspecific?

I have this question:

The HTML5 doctype just says HTML without any further specification.

So what if HTML6 will eventually come up? How are validators supposed to 
behave?

Shouldn't the HTML5 doctype tag contain a simple version information at 
least?

Axel 

Received on Thursday, 26 September 2013 12:10:26 UTC