anchor.diff:          # scala
           scala
           sbt
  -
  -        # aspell dictionaries
  -        # aspellEnv
         ];
       };
   
  
positive.code:         offlineimap
          parallel
          pass
          # phocid
          protobuf
          psc-package
          ripgrep
  
negative.code:         myPython3Env
          cabal2nix
  
          # useful tools
          ag
          cloc
  