anchor.diff:      xfdesktop = linux;
       xfwm4 = linux;
     };
  -  */
   
   } ))
   
  
positive.code:     jdee = linux;
    };
  
    /*
    firefox36Pkgs.firefox = linux;
    firefox40Pkgs.firefox = linux;
  
  
negative.code: 
    tarball = import ./make-tarball.nix;
  
  } // (mapTestOn ((packagesWithMetaPlatform pkgs) // rec {
  
    MPlayer = linux;
    abcde = linux;
  