anchor.diff:  
     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 {};
  
positive.code: 
    AspectAG = callPackage ../development/libraries/haskell/AspectAG {};
  
    attoparsec = callPackage ../development/libraries/haskell/attoparsec {};
  
    attoparsecEnumerator = callPackage ../development/libraries/haskell/attoparsec/enumerator.nix {};
  
negative.code:   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;
  