anchor.diff:  #
   #  sparse = callPackage ../development/tools/analysis/sparse { };
   #
  -#  speedtest-cli = callPackage ../tools/networking/speedtest-cli { };
  +  speedtest-cli = callPackage ../tools/networking/speedtest-cli { };
   #
   #  spin = callPackage ../development/tools/analysis/spin { };
   #
  
positive.code: #        # optional
  #  };
  #
  #  snappy = callPackage ../development/libraries/snappy { };
  #
    socket_wrapper = callPackage ../development/libraries/socket_wrapper { };
  #
  #  sofia_sip = callPackage ../development/libraries/sofia-sip { };
  
negative.code: #
  #  dlib = callPackage ../development/libraries/dlib { };
  #
    dotconf = callPackage ../development/libraries/dotconf { };
  #
  #  dssi = callPackage ../development/libraries/dssi {};
  #
  