anchor.diff:    puredata-with-plugins = plugins: callPackage ../applications/audio/puredata/wrapper.nix { inherit plugins; };
   
     puremapping = callPackage ../applications/audio/pd-plugins/puremapping { };
  -
  -  pymol = callPackage ../applications/science/chemistry/pymol { };
   
     pybitmessage = callPackage ../applications/networking/instant-messengers/pybitmessage { };
   
  
positive.code: 
    avidemux = libsForQt5.callPackage ../applications/video/avidemux { };
  
    avogadro = callPackage ../applications/science/chemistry/avogadro {
      eigen = eigen2;
    };
  
    avrdudess = callPackage ../applications/misc/avrdudess { };
  
    avxsynth = callPackage ../applications/video/avxsynth {
  
negative.code: 
    ocropus = callPackage ../applications/misc/ocropus { };
  
    inherit (callPackages ../development/interpreters/perl {}) perl perl522 perl524 perl526;
  
    pachyderm = callPackage ../applications/networking/cluster/pachyderm { };
  