anchor.diff:  
     }) // {inherit ;};
   
  -  xpr = (mkDerivation "xpr" {
  -    name = "xpr-1.0.4";
  -    src = fetchurl {
  -      url = mirror://xorg/individual/app/xpr-1.0.4.tar.bz2;
  -      sha256 = "1dbcv26w2yand2qy7b3h5rbvw1mdmdd57jw88v53sgdr3vrqvngy";
  -    };
  -    nativeBuildInputs = [ utilmacros ];
  -    buildInputs = [ libX11 libXmu xproto ];
  -
  -  }) // {inherit libX11 libXmu xproto ;};
  +  # xpr = (mkDerivation "xpr" {
  +  #   name = "xpr-1.0.4";
  +  #   src = fetchurl {
  +  #     url = mirror://xorg/individual/app/xpr-1.0.4.tar.bz2;
  +  #     sha256 = "1dbcv26w2yand2qy7b3h5rbvw1mdmdd57jw88v53sgdr3vrqvngy";
  +  #   };
  +  #   nativeBuildInputs = [ utilmacros ];
  +  #   buildInputs = [ libX11 libXmu xproto ];
  +  #
  +  # }) // {inherit libX11 libXmu xproto ;};
   
     xprop = (mkDerivation "xprop" {
       name = "xprop-1.2.2";
  
positive.code: 
    }) // {inherit libXcomposite libXdamage libXext libXfixes libXrender ;};
  
    xcursorgen = (mkDerivation "xcursorgen" {
      name = "xcursorgen-1.0.6";
      src = fetchurl {
        url = mirror://xorg/individual/app/xcursorgen-1.0.6.tar.bz2;
        sha256 = "0v7nncj3kaa8c0524j7ricdf4rvld5i7c3m6fj55l5zbah7r3j1i";
      };
      nativeBuildInputs = [ utilmacros ];
      buildInputs = [ libpng libX11 libXcursor ];
  
    }) // {inherit libpng libX11 libXcursor ;};
  
    xcursorthemes = (mkDerivation "xcursorthemes" {
      name = "xcursor-themes-1.0.4";
      src = fetchurl {
        url = mirror://xorg/individual/data/xcursor-themes-1.0.4.tar.bz2;
        sha256 = "11mv661nj1p22sqkv87ryj2lcx4m68a04b0rs6iqh3fzp42jrzg3";
      };
      nativeBuildInputs = [ utilmacros ];
      buildInputs = [ libXcursor ];
  
    }) // {inherit libXcursor ;};
  
    xf86dga = (mkDerivation "xf86dga" {
      name = "xf86dga-1.0.3";
      src = fetchurl {
        url = mirror://xorg/individual/app/xf86dga-1.0.3.tar.bz2;
        sha256 = "0lm2wrsgzc1g97phm428bkn42zm0np77prdp6dpxnplx0h8p9n5l";
      };
      nativeBuildInputs = [ utilmacros ];
      buildInputs = [ libX11 libXxf86dga ];
  
    }) // {inherit libX11 libXxf86dga ;};
  
    xf86inputevdev = (mkDerivation "xf86inputevdev" {
      name = "xf86-input-evdev-2.10.5";
  
negative.code: 
    }) // {inherit xproto ;};
  
    # luit = (mkDerivation "luit" {
    #   name = "luit-1.1.1";
    #   src = fetchurl {
    #     url = mirror://xorg/individual/app/luit-1.1.1.tar.bz2;
    #     sha256 = "0dn694mk56x6hdk6y9ylx4f128h5jcin278gnw2gb807rf3ygc1h";
    #   };
    #   nativeBuildInputs = [ utilmacros ];
    #   buildInputs = [ libfontenc ];
    #
    # }) // {inherit libfontenc ;};
  
    makedepend = (mkDerivation "makedepend" {
      name = "makedepend-1.0.5";
  