anchor.diff:      lts-5_2 = packages.ghc7103.override {
         packageSetConfig = callPackage ../development/haskell-modules/configuration-lts-5.2.nix { };
       };
  -
  +    lts-5_3 = packages.ghc7103.override {
  +      packageSetConfig = callPackage ../development/haskell-modules/configuration-lts-5.3.nix { };
  +    };
  +    lts-5 = packages.lts-5_3;
  +
  +    lts = packages.lts-5;
     };
   }
  
positive.code:     lts-3_20 = packages.ghc7102.override {
        packageSetConfig = callPackage ../development/haskell-modules/configuration-lts-3.20.nix { };
      };
  
      lts-4_0 = packages.ghc7103.override {
        packageSetConfig = callPackage ../development/haskell-modules/configuration-lts-4.0.nix { };
  
negative.code:     lts-0_7 = packages.ghc783.override {
        packageSetConfig = callPackage ../development/haskell-modules/configuration-lts-0.7.nix { };
      };
      lts-0 = packages.lts-0_7;
  
      lts-1_0 = packages.ghc784.override {
        packageSetConfig = callPackage ../development/haskell-modules/configuration-lts-1.0.nix { };
  