I can confirm this bug on multiple systems running Lucid 10.04 (alternate installer). Indeed, if you de-select the alt key under "3rd level", the keyboard layout applet does not remember the setting. However, if I immediately do it a second time, it *does* remember the setting.
I can confirm this bug on multiple systems running Lucid 10.04 (alternate installer). Indeed, if you de-select the alt key under "3rd level", the keyboard layout applet does not remember the setting. However, if I immediately do it a second time, it *does* remember the setting.