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Keyboard Extender 1.0, by Ammon Skidmore in 1994, features a popup menu of all the keys that are not present on the old style PowerBooks. Works also on any computer running Control Strip or Desktop Strip.
(7.92 KiB / 8.11 KB)
/ compressed w/ Stuffit
Macintosh 68k and PPC.
Emulating this? It could probably run under: Basilisk II