anchor.diff:    }) // {inherit libX11 xproto ;};
   
     xkill = (mkDerivation "xkill" {
  -    name = "xkill-1.0.5";
  -    builder = ./builder.sh;
  -    src = fetchurl {
  -      url = mirror://xorg/individual/app/xkill-1.0.5.tar.bz2;
  -      sha256 = "0szzd9nzn0ybkhnfyizb876irwnjsnb78rcaxx6prb71jmmbpw65";
  +    name = "xkill-1.0.4";
  +    builder = ./builder.sh;
  +    src = fetchurl {
  +      url = mirror://xorg/individual/app/xkill-1.0.4.tar.bz2;
  +      sha256 = "0bl1ky8ps9jg842j4mnmf4zbx8nkvk0h77w7bqjlpwij9wq2mvw8";
       };
       nativeBuildInputs = [ pkgconfig ];
       buildInputs = [ libX11 libXmu xproto ];
  
positive.code:   }) // {inherit ;};
  
    windowswmproto = (mkDerivation "windowswmproto" {
      name = "windowswmproto-1.0.5";
      builder = ./builder.sh;
      src = fetchurl {
        url = mirror://xorg/X11R7.7/src/everything/windowswmproto-1.0.5.tar.bz2;
        sha256 = "0syjxgy4m8l94qrm03nvn5k6bkxc8knnlld1gbllym97nvnv0ny0";
      };
      nativeBuildInputs = [ pkgconfig ];
  
negative.code:   }) // {inherit bdftopcf fontutil mkfontdir mkfontscale ;};
  
    fontscreencyrillic = (mkDerivation "fontscreencyrillic" {
      name = "font-screen-cyrillic-1.0.4";
      builder = ./builder.sh;
      src = fetchurl {
        url = mirror://xorg/X11R7.7/src/everything/font-screen-cyrillic-1.0.4.tar.bz2;
        sha256 = "0yayf1qlv7irf58nngddz2f1q04qkpr5jwp4aja2j5gyvzl32hl2";
      };
      nativeBuildInputs = [ pkgconfig ];
  