anchor.diff:  #
   #  distrho = callPackage ../applications/audio/distrho {};
   #
  -#  djvulibre = callPackage ../applications/misc/djvulibre { };
  +  djvulibre = callPackage ../applications/misc/djvulibre { };
   #
   #  djvu2pdf = callPackage ../tools/typesetting/djvu2pdf { };
   #
  
positive.code: #
  #  speech_tools = callPackage ../development/libraries/speech-tools {};
  #
  #  speex = callPackage ../development/libraries/speex {
  #    fftw = fftwFloat;
  #  };
  #
  #  speexdsp = callPackage ../development/libraries/speexdsp {
  #    fftw = fftwFloat;
  #  };
  #
  #  sphinxbase = callPackage ../development/libraries/sphinxbase { };
  #
  
negative.code: #
  #  libbson = callPackage ../development/libraries/libbson { };
  #
    libcaca = callPackage ../development/libraries/libcaca { };
  #
  #  libcacard = callPackage ../development/libraries/libcacard { };
  #
  