anchor.diff:  #
     libcaca = callPackage ../development/libraries/libcaca { };
   #
  -  libcdr = callPackage ../development/libraries/libcdr { lcms = callPackageAlias "lcms2" { }; };
  +  libcdr = callPackage ../development/libraries/libcdr {
  +    lcms = callPackageAlias "lcms2" { };
  +  };
   #
     libdiscid = callPackage ../development/libraries/libdiscid { };
   #
  
positive.code: #
    subunit = callPackage ../development/libraries/subunit { };
  #
    telepathy_logger = callPackage ../applications/networking/instant-messengers/telepathy/logger {};
  
    telepathy_mission_control = callPackage ../applications/networking/instant-messengers/telepathy/mission-control { };
  #
    #trezor-bridge = callPackage ../applications/networking/browsers/mozilla-plugins/trezor { };
  #
    xpdf = callPackage ../applications/misc/xpdf {
      base14Fonts = "${ghostscript}/share/ghostscript/fonts";
  
negative.code: #
    vamp = callPackage ../development/libraries/audio/vamp { };
  #
    webrtc-audio-processing =
      callPackage ../development/libraries/webrtc-audio-processing { };
  #
    xmlrpc_c = callPackage ../development/libraries/xmlrpc-c { };
  #
  