anchor.diff:      lts-2_22 = packages.ghc784.override {
         packageSetConfig = callPackage ../development/haskell-modules/configuration-lts-2.22.nix { };
       };
  +    lts-2 = packages.lts-2_22;
   
       lts-3_0 = packages.ghc7102.override {
         packageSetConfig = callPackage ../development/haskell-modules/configuration-lts-3.0.nix { };
  
positive.code:     lts-0_7 = packages.ghc783.override {
        packageSetConfig = callPackage ../development/haskell-modules/configuration-lts-0.7.nix { };
      };
  
      lts-1_0 = packages.ghc784.override {
        packageSetConfig = callPackage ../development/haskell-modules/configuration-lts-1.0.nix { };
  
negative.code:     lts-3_20 = packages.ghc7102.override {
        packageSetConfig = callPackage ../development/haskell-modules/configuration-lts-3.20.nix { };
      };
      lts-3 = packages.lts-3_20;
  
      lts-4_0 = packages.ghc7103.override {
        packageSetConfig = callPackage ../development/haskell-modules/configuration-lts-4.0.nix { };
  