anchor.diff:    qtractor = callPackage ../applications/audio/qtractor { };
   
     qtscrobbler = callPackage ../applications/audio/qtscrobbler { };
  +
  +  quassel = qt5.callPackage ../applications/networking/irc/quassel/qt-5.nix {
  +    monolithic = true;
  +    daemon = false;
  +    client = false;
  +    withKDE = true;
  +    dconf = gnome3.dconf;
  +    tag = "-kf5";
  +  };
  +
  +  quasselClient = quassel.override {
  +    monolithic = false;
  +    client = true;
  +    tag = "-client-kf5";
  +  };
  +
  +  quasselDaemon = quassel.override {
  +    monolithic = false;
  +    daemon = true;
  +    tag = "-daemon-qt5";
  +    withKDE = false;
  +  };
   
     quirc = callPackage ../tools/graphics/quirc {};
   
  
positive.code: 
    printrun = callPackage ../applications/misc/printrun { };
  
    sddm = kde5.sddm;
  
    slim = callPackage ../applications/display-managers/slim {
      libpng = libpng12;
  
negative.code:     boost = boost155;
    };
  
    k9copy = qt5.callPackage ../applications/video/k9copy {};
  
    kdeconnect = qt5.callPackage ../applications/misc/kdeconnect { };
  
    keepnote = callPackage ../applications/office/keepnote {
      pygtk = pyGtkGlade;
    };
  