anchor.diff:          binary = self.binary_0_7_2_1;
           rts_1_0 = null;
           rts = self.rts_1_0;
  -        # bytestring_0_10_4_1 = null;
  -        # bytestring = self.bytestring_0_10_4_1;
  +        bytestring_0_10_4_1 = null;
  +        bytestring = self.bytestring_0_10_4_1;
           caseInsensitive_1_2_0_0 = null;
           caseInsensitive = self.caseInsensitive_1_2_0_0;
           containers_0_5_5_1 = null;
  
positive.code:         # This is the list of packages that are built into a booted ghcjs installation
          # It can be generated with the command:
          # nix-shell '<nixpkgs>' -A pkgs.haskellPackages_ghcjs.ghc --command "ghcjs-pkg list | sed -n 's/^    \(.*\)-\([0-9.]*\)$/\1_\2/ p' | sed 's/\./_/g' | sed 's/-\(.\)/\U\1/' | sed 's/^\([^_]*\)\(.*\)$/\1\2 = null;\n\1 = self.\1\2;/'"
          Cabal_1_20_0_2 = null;
          Cabal = self.Cabal_1_22_0_0;
          aeson_0_8_0_0 = null;
          aeson = self.aeson_0_8_0_0;
          array_0_5_0_0 = null;
  
negative.code:         stm = self.stm_2_4_3;
          syb_0_4_2 = null;
          syb = self.syb_0_4_2;
          templateHaskell_2_9_0_0 = null;
          templateHaskell = self.templateHaskell_2_9_0_0;
          text_1_1_1_3 = null;
          text = self.text_1_1_1_3;
          time_1_4_2 = null;
  