Since the formatting is active for historical code, you also have interesting effects where the 'code' wasn't t-sql, for example

http://www.sqlservercentral.com/Forums/FindPost661664.aspx

Or where I inserted 'font' tags in the code to produce a color effect, which of course, are now visible.

http://www.sqlservercentral.com/Forums/FindPost669471.aspx