anchor.diff:      openjdk8
   
       # Libraries
  -    # TODO: openssl
  +    # libsndfile # NOTE: used by fluidsynth
  +    # openssl
   
       # Lisp/Scheme
       guile
  
positive.code: 
      # OCaml
      ocaml
      # TODO: ocamlPackages.ocamlbuild
      ocamlPackages.camlp5_6_strict
      opam
  
      # Protocol Buffers
  
negative.code:     # FIXME: graphicsmagick # NOTE: graphviz error
      # FIXME: imagemagick
      lame
      # FIXME: timidity
  
      # BEAM
  