anchor.diff:    system.defaults.finder.FXEnableExtensionChangeWarning = false;
   
     system.defaults.trackpad.Clicking = true;
  +  system.defaults.trackpad.TrackpadThreeFingerDrag = true;
   
     services.nix-daemon.enable = true;
  -  services.nix-daemon.tempDir = "/nix/var/tmp";
  -
     nix.package = pkgs.nixUnstable;
   
     environment.systemPackages =
  
positive.code:       pkgs.nixUnstable
        # pkgs.nix
        pkgs.nix-repl
  
        pkgs.emacsMacport
      ];
  
    security.enableAccessibilityAccess = true;
  
negative.code:     kwmc rule owner="iTerm2" properties={role="AXDialog"}
      kwmc rule owner="iTunes" properties={float="true"}
    '';
  
    # You should generally set this to the total number of logical cores in your system.
    # $ sysctl -n hw.ncpu
    nix.maxJobs = 1;
  }
  