anchor.diff:    hspread = callPackage ../development/libraries/haskell/hspread {};
   
     hsloggerTemplate = callPackage ../development/libraries/haskell/hslogger-template {};
  +
  +  hsyslog = callPackage ../development/libraries/haskell/hsyslog {};
   
     html_1_0_1_2 = callPackage ../development/libraries/haskell/html/1.0.1.2.nix {};
     html = self.html_1_0_1_2;
  
positive.code: 
    AspectAG = callPackage ../development/libraries/haskell/AspectAG {};
  
    attoparsec = callPackage ../development/libraries/haskell/attoparsec {};
  
    attoparsecEnumerator = callPackage ../development/libraries/haskell/attoparsec/enumerator.nix {};
  
negative.code: 
    statistics = callPackage ../development/libraries/haskell/statistics {};
  
    streamproc = callPackage ../development/libraries/haskell/streamproc {};
  
    # TODO: investigate status of syb in older platform versions
    syb_0_2_2 = callPackage ../development/libraries/haskell/syb/0.2.2.nix {};
    syb_0_3   = callPackage ../development/libraries/haskell/syb/0.3.nix {};
  