anchor.diff:  
     taskserver = callPackage ../servers/misc/taskserver { };
   
  -  tdesktopPackages = callPackage ../applications/networking/instant-messengers/telegram/tdesktop { };
  +  tdesktopPackages = dontRecurseIntoAttrs (callPackage ../applications/networking/instant-messengers/telegram/tdesktop { });
     tdesktop = tdesktopPackages.stable;
   
     telegram-cli = callPackage ../applications/networking/instant-messengers/telegram/telegram-cli { };
  
positive.code:     packages = [];
    };
  
    rPackages = callPackage ../development/r-modules {
      overrides = (config.rPackageOverrides or (p: {})) pkgs;
    };
  
    ### SERVERS
  
  
negative.code:   # A GMP fork
    mpir = callPackage ../development/libraries/mpir {};
  
    gns3Packages = dontRecurseIntoAttrs (callPackage ../applications/networking/gns3 { });
    gns3-gui = gns3Packages.guiStable;
    gns3-server = gns3Packages.serverStable;
  
  