anchor.diff:  
   stdenv.mkDerivation rec {
     pname = "plata-theme";
  -  version = "0.9.8";
  +  version = "0.9.9";
   
     src = fetchFromGitLab {
       owner = "tista500";
       repo = "plata-theme";
       rev = version;
  -    sha256 = "1sqmydvx36f6r4snw22s2q4dvcyg30jd7kg7dibpzqn3njfkkfag";
  +    sha256 = "1iwvlv9qcrjyfbzab00vjqafmp3vdybz1hi02r6lwbgvwyfyrifk";
     };
   
     nativeBuildInputs = [
  
positive.code:     sassc
      inkscape
      libxml2
      glib.dev
    ]
    ++ lib.optionals mateSupport [ gtk3 marco ]
    ++ lib.optional telegramSupport zip;
  
    # GTK2 engines must be on the system path at runtime to be loaded.
    propagatedUserEnvPkgs = [
      gtk2
      gtk-engine-murrine
    ];
  
  
negative.code: { lib, stdenv, fetchFromGitLab, autoreconfHook, pkg-config, parallel
  , sassc, inkscape, libxml2, glib, gtk_engines, gtk-engine-murrine
  , cinnamonSupport ? true
  , gnomeFlashbackSupport ? true
  , gnomeShellSupport ? true
  