anchor.diff:    programs.bash.enableCompletion = true;
   
     fonts.enableFontDir = true;
  -  fonts.fontconfig.ultimate.enable = true;
     fonts.fonts = with pkgs; [
       fira-code
       fira-code-symbols
  
positive.code:   };
  
    # Pick which kernel to run. Need a newer one for Ryzen.
    boot.kernelPackages = pkgs.linuxPackages_5_2;
  
    nixpkgs.config.allowUnfree = true;
  
  
negative.code:     pulseaudio = {
        enable = true;
        support32Bit = true;
        package = pkgs.pulseaudioFull;
      };
      bluetooth = {
        enable = true;
        powerOnBoot = true;
        package = pkgs.bluezFull;
        extraConfig =''
  [General]
  ControllerMode=dual 
  '';
      };
    };
  
    services.blueman.enable = true;
  
    # Open ports in the firewall.
    networking.firewall.allowPing = true;
  