anchor.diff:      owner = "GNOME";
       repo = pname;
       rev = version;
  -    sha256 = "sha256-d283zVRH42NZNq+vGmItN3ZBrRrl9gpYDco7osm3RoY=";
  +    sha256 = "sha256-gyOm/S0ae0kX4AFUiglqyGRGB8C/KUuaG/dr/Wf1ug0=";
     };
   
     nativeBuildInputs = [
  
positive.code: , pkg-config
  , python3
  , gtk3
  , adwaita-icon-theme
  , glib
  , desktop-file-utils
  , gtk-doc
  
negative.code:   };
  in stdenv.mkDerivation rec {
    pname = "gucharmap";
    version = "14.0.2";
  
    outputs = [ "out" "lib" "dev" "devdoc" ];
  
  