anchor.diff:      bitlbee
       offlineimap
       msmtp
  +    foomatic_filters
   
       # X11 tools
       dmenu
  
positive.code:     # main apps
      emacs 
      firefox
      chromiumWrapper
      notmuch
      gitAndTools.gitAnnex
  
  
negative.code:     unzip
      lzma
      silver-searcher
      stow
      inotifyTools
      
      # coding
      python27
      python27Packages.ipython
      vagrant
      haskellPackages.cabal2nix
      sloccount
      haskellPackages.hasktags
  
      # file systems
      davfs2
  