Versions in XHTML

What are the versions in XHTML? How do they differ from each other?

1.0
1.1
2.0 is latest one

What about XHTML 5, have you heard about this guys.

Please refer to this thread for details on XHTML 5 - http://softwareengineering.stackexch...nonym-of-html5

I'm sure here is all things you need to know about all the verisons of xHTML and the differences from each other.
webdesign.about.com/od/xhtml/a/aa011507.htm

XHTML 1.0
XHTML 1.1 Module-based XHTML
XHTML 1.2
XHTML 2.0
XHTML5

W3C Recommendation: HTML 4.01 - 1999 year
W3C Recommendation: XHTML 1.0 - 2000 year
WHATWG HTML5 First Public Draft - 2008 year
WHATWG HTML5 Living Standard - 2012 year