anchor.diff:      editor-env = self.buildEnv {
         name = "editorEnv";
         paths = with self; [
  -        #libreoffice
  +        atom_beta
           sublime-text
         ];
       };
  
positive.code:     transmission_head = self.transmission_head.override {
        useStableVersionUserAgent = true;
      };
      #desktop = self.haskellPackages.ghcWithPackages (self : with self; [
      #  haskell-ngPackages.xdgBasedir
       # xmonad
        #yi
  
negative.code:         cdrtools
          ffmpeg_head
          flac
          #mediainfo
          #mixxx
          #mkvtoolnix
          opus-tools
  