anchor.diff:  
     tailor = builderDefsPackage (callPackage ../applications/version-management/tailor) {};
   
  -  tangogps = callPackage ../applications/misc/tangogps {
  -    gconf = gnome.GConf;
  -  };
  +  tangogps = callPackage ../applications/misc/tangogps { };
   
     teamspeak_client = qt55.callPackage ../applications/networking/instant-messengers/teamspeak/client.nix { };
     teamspeak_server = callPackage ../applications/networking/instant-messengers/teamspeak/server.nix { };
  
positive.code: 
    node_webkit = node_webkit_0_9;
  
    nwjs_0_12 = callPackage ../development/tools/node-webkit/nw12.nix {
      gconf = pkgs.gnome.GConf;
    };
  
    node_webkit_0_11 = callPackage ../development/tools/node-webkit/nw11.nix {
      gconf = pkgs.gnome.GConf;
    };
  
    node_webkit_0_9 = callPackage ../development/tools/node-webkit/nw9.nix {
      gconf = pkgs.gnome.GConf;
    };
  
    noweb = callPackage ../development/tools/literate-programming/noweb { };
    nuweb = callPackage ../development/tools/literate-programming/nuweb { tex = texlive.combined.scheme-small; };
  
negative.code: 
    checkstyle = callPackage ../development/tools/analysis/checkstyle { };
  
    chromedriver = callPackage ../development/tools/selenium/chromedriver { };
  
    chrpath = callPackage ../development/tools/misc/chrpath { };
  
  