anchor.diff:  #  jshon = callPackage ../development/tools/parsing/jshon { };
   #
   #  json-c-0-11 = callPackage ../development/libraries/json-c/0.11.nix { }; # vulnerable
  -  json_c = callPackage ../development/libraries/json-c { };
  +  json-c = callPackage ../development/libraries/json-c { };
   #
   #  jsoncpp = callPackage ../development/libraries/jsoncpp { };
   #
  
positive.code: #
  #  unifdef = callPackage ../development/tools/misc/unifdef { };
  #
  #  "unionfs-fuse" = callPackage ../tools/filesystems/unionfs-fuse { };
  #
  #  usb_modeswitch = callPackage ../development/tools/misc/usb-modeswitch { };
  #
  
negative.code: #
    libidn = callPackage ../development/libraries/libidn { };
  #
    idnkit = callPackage ../development/libraries/idnkit { };
  #
  #  libiec61883 = callPackage ../development/libraries/libiec61883 { };
  #
  