{ ... }:
{

  services.keyd = {
    enable = true;
    keyboards.default = {
      ids = [ "*" ];
      settings = {
        main = {
          rightalt = "overload(altgr, rightalt)";
	  capslock = "overload(control, esc)";
	};
	altgr = {
          a = ''macro(compose a ")'';
          o = ''macro(compose o ")'';
	  u = ''macro(compose u ")'';
	  s = ''macro(compose s s)'';
	};
      };
    };
  };

}