i.e. 5.1 for Mac
It might be just the Mac verion that does this.
( Enigmatic ™                 Voice No More                  ©, Fri 13 Feb 2004, 17:41, archived)

Here's what it looks like on mine

( Enigmatic ™                 Voice No More                  ©, Fri 13 Feb 2004, 17:47, archived)