anchor.diff:    services.xserver.windowManager.default = "i3";
     services.xserver.displayManager.lightdm.enable = true;
     services.xserver.displayManager.lightdm.autoLogin.enable = true;
  -  services.xserver.displayManager.lightdm.autoLogin.user = "denten"; 
  +  services.xserver.displayManager.lightdm.autoLogin.user = "denten";
     services.xserver.displayManager.slim.defaultUser = "denten";
   
     # Define a user account. Don't forget to set a password with ‘passwd’.
  
positive.code:     i3
      i3status
      libreoffice
      networkmanagerapplet
      nix-prefetch-scripts
      nix-repl
  
negative.code:     ];
  
    boot.kernelModules = [ "tp_smapi" ];
    boot.extraModulePackages = [ config.boot.kernelPackages.tp_smapi ];
  
    # handle lid close hibernate, suspend, or ignore
    systemd.extraConfig = "";
  