anchor.diff:      inherit (gnome) libIDL;
     };
   
  -  firefox40Wrapper = lowPrio (wrapFirefox firefox40Pkgs.firefox "firefox" "");
  +  firefox40Wrapper = wrapFirefox firefox40Pkgs.firefox "firefox" "";
   
     flac = callPackage ../applications/audio/flac { };
   
  
positive.code:   xulrunnerWrapper = {application, launcher}:
      import ../development/interpreters/xulrunner/wrapper {
        inherit stdenv application launcher;
        xulrunner = firefox36Pkgs.xulrunner;
      };
  
  
  
negative.code: 
    filelight = newScope pkgs.kde4 ../applications/misc/filelight { };
  
    firefox = firefox40Pkgs.firefox;
  
    firefoxWrapper = firefox40Wrapper;
  
    firefox36Pkgs = callPackage ../applications/networking/browsers/firefox/3.6.nix {
      inherit (gtkLibs) gtk pango;
  