anchor.diff:        };
       }
       rec {
  -      name = "libcomerr2_1.42-1ubuntu2+srt4_i386";
  -      md5 = "165e9ea1f09704a353220b9ff6cf2f1b";
  -      source = fetchurl {
  -        url = "http://repo.steampowered.com/steamrt/pool/main/e/e2fsprogs/libcomerr2_1.42-1ubuntu2+srt4_i386.deb";
  +      name = "libcomerr2_1.42-1ubuntu2.2+srt1_i386";
  +      md5 = "a7450fa3b218cc993b252f7f51b4f83a";
  +      source = fetchurl {
  +        url = "http://repo.steampowered.com/steamrt/pool/main/e/e2fsprogs/libcomerr2_1.42-1ubuntu2.2+srt1_i386.deb";
           inherit md5;
           name = "libcomerr2.deb";
         };
  
positive.code:       };
      }
      rec {
        name = "libpixman-1-0_0.30.2-1ubuntu0.0.0.0.1+srt4_i386";
        md5 = "cbad5a39d1cb49085cd4b50a2e1d96a6";
        source = fetchurl {
          url = "http://repo.steampowered.com/steamrt/pool/main/p/pixman/libpixman-1-0_0.30.2-1ubuntu0.0.0.0.1+srt4_i386.deb";
          inherit md5;
          name = "libpixman-1-0.deb";
        };
  
negative.code:       };
      }
      rec {
        name = "libx11-6_1.4.99.1-0ubuntu2.3+steamrt1+srt1_i386";
        md5 = "cc208840d2883eec6f9770b623c24b9d";
        source = fetchurl {
          url = "http://repo.steampowered.com/steamrt/pool/main/libx/libx11/libx11-6_1.4.99.1-0ubuntu2.3+steamrt1+srt1_i386.deb";
          inherit md5;
          name = "libx11-6.deb";
        };
      }
      rec {
        name = "libx11-data_1.4.99.1-0ubuntu2.3+steamrt1+srt1_all";
        md5 = "c012bbc8654c3c012dc7b5901c486f4d";
        source = fetchurl {
          url = "http://repo.steampowered.com/steamrt/pool/main/libx/libx11/libx11-data_1.4.99.1-0ubuntu2.3+steamrt1+srt1_all.deb";
          inherit md5;
          name = "libx11-data.deb";
        };
      }
      rec {
        name = "libx11-xcb1_1.4.99.1-0ubuntu2.3+steamrt1+srt1_i386";
        md5 = "2ef2ffe569708f8433cfb36e754526ec";
        source = fetchurl {
          url = "http://repo.steampowered.com/steamrt/pool/main/libx/libx11/libx11-xcb1_1.4.99.1-0ubuntu2.3+steamrt1+srt1_i386.deb";
          inherit md5;
          name = "libx11-xcb1.deb";
        };
  