John Scipione <jscipione@xxxxxxxxx> schrieb: > What I do know is that > rectangular buttons are used more or less by OS's made at or before > 2001 or so such as Windows 98, Mac OS 9, Gnome 2, KDE 3, and BeOS 5. If you take a close look at BeOS 5, the buttons already were slightly rounded (i.e. one-pixel-off on the corners). Greetings, Julian