I just use a proper programmer-friendly monospace font that emphasizes the distinctions of those characters (I.e. slashes or a dot in the zero char). Then, I d

I just use a proper programmer-friendly monospace font that emphasizes the distinctions of those characters (I.e. slashes or a dot in the zero char). Then, I don't have to worry about undoing decades of momentum. > Why not have an alphabet that omits B, I and O, and includes X, Y, Z? Because that would bring integer increment errors and require a significant overhaul of existing code bases and require careful checking.