anchor.diff:  , pkg-config
   , python3
   , gtk3
  -, adwaita-icon-theme
  +, pcre2
   , glib
   , desktop-file-utils
   , gtk-doc
  
positive.code:   };
  in stdenv.mkDerivation rec {
    pname = "gucharmap";
    version = "14.0.0";
  
    outputs = [ "out" "lib" "dev" "devdoc" ];
  
  
negative.code:     owner = "GNOME";
      repo = pname;
      rev = version;
      sha256 = "sha256-gyOm/S0ae0kX4AFUiglqyGRGB8C/KUuaG/dr/Wf1ug0=";
    };
  
    nativeBuildInputs = [
  