anchor.diff:  #
   #  dotnetPackages = callPackage ./dotnet-packages.nix {};
   #
  -#  go_1_4 = callPackage ../development/compilers/go/1.4.nix {};
  -#
  -#  go_1_5 = callPackage ../development/compilers/go/1.5.nix { };
  -#
  -#  go_1_6 = callPackage ../development/compilers/go/1.6.nix { };
  -#
  -#  go = go_1_6;
  +  go_1_4 = callPackage ../development/compilers/go/1.4.nix {};
  +
  +  go_1_5 = callPackage ../development/compilers/go/1.5.nix { };
  +
  +  go_1_6 = callPackage ../development/compilers/go/1.6.nix { };
  +
  +  go = go_1_6;
   #
   #  go-repo-root = goPackages.go-repo-root.bin // { outputs = [ "bin" ]; };
   #
  
positive.code: #
  #  imlib2 = callPackage ../development/libraries/imlib2 { };
  #
  #  ijs = callPackage ../development/libraries/ijs { };
  #
  #  incrtcl = callPackage ../development/libraries/incrtcl { };
  #
  
negative.code: #
  #  enginepkcs11 = callPackage ../development/libraries/enginepkcs11 { };
  #
    epoxy = callPackage ../development/libraries/epoxy {};
  #
  #  esdl = callPackage ../development/libraries/esdl { };
  #
  #  exiv2 = callPackage ../development/libraries/exiv2 { };
  #
    expat = callPackage ../development/libraries/expat { };
  #
  #  eventlog = callPackage ../development/libraries/eventlog { };
  #
  