it seems that .Xdefaults should still be read followed by .Xdefaults-HOSTNAME, though .Xdefaults may be ignored if your running remotely? in which case .Xdefaults-HOSTNAME should be merged into the resources
it seems that .Xdefaults should still be read followed by .Xdefaults- HOSTNAME, though .Xdefaults may be ignored if your running remotely? in which case .Xdefaults-HOSTNAME should be merged into the resources