anchor.diff:      cmus
       evince
       pidgin
  -    texLiveFull
  +    HEAD.texLiveFull
     ];
   
     # Fonts
  
positive.code:     haskellngPackages.cabal-install
      # android development
      androidsdk_4_4
      android-udev-rules
  
      # Programming libraries
      glfw
  
negative.code: let
    HEAD = import /home/l/prog/foreign/nixpkgs {};
  in
  
  { config, pkgs, ... }:
  
  {
    # List packages installed in system profile. To search by name, run:
    # $ nix-env -qaP | grep wget
  