clear Mod1
clear Mod4
keysym Alt_L = Super_L
keysym Super_L = Alt_L
keycode 64 = Super_L
keycode 133 = Alt_L
keycode 94 = grave notsign
keycode 49 = backslash bar
add Mod1 = Alt_L Alt_R
add Mod4 = Super_L Super_R