Microsoft ... is a vision for a new XML "language" ... calling X#

Interesting! Anyone knows more about this:

"...Perhaps holding more promise for developers, however, particularly 
those in the Microsoft world, is a vision for a new XML "language" that 
company insiders are calling X# (pronounced X sharp), a .Net language 
based on the company's C#."

http://www.eweek.com/article2/0,3959,808306,00.asp