XHTML 2 is dead, long live HTML 5! According to W3C News Archive, XHTML 2 working group is expected to stop work end of 2009 and W3C is planning to increase resources on HTML 5 instead. And even although HTML 5 won’t be completely supported until 2022, it doesn’t mean that it won’t be widely adopted within the foreseeable future.
So in the spirit of the upcoming change we decided to release a handy printable HTML 5 Cheat Sheet that lists all currently supported tags, their descriptions, their attributes and their support in HTML 4.