Version 7: 03/12/15 X/Windows
Version 6: 1996     Windows3.1
Version 5: 95/10/06 Xt/Motif
Version 4: 94/04/07 Xt
Version 3: 93/05/20 Motif
Version 2: 92/01/16 XView
Version 1: 91/01/16 SunView
