anchor.diff:  , libgsf
   , libxml2
   , pango
  +, vala
   }:
  +
  +with {
  +  inherit (stdenv.lib)
  +    enFlag;
  +};
   
   stdenv.mkDerivation rec {
     name = "librsvg-${version}";
     versionMajor = "2.40";
  -  versionMinor = "12";
  +  versionMinor = "13";
     version = "${versionMajor}.${versionMinor}";
   
     src = fetchurl {
       url    = "mirror://gnome/sources/librsvg/${versionMajor}/${name}.tar.xz";
  -    sha256 = "0l5mzwlw6k20hvndvk5xllks20xbddr7b93rsvs9jf5zg11hrr7z";
  +    sha256 = "014q7gz6mgfa7pfn0lr13qqv568ad8j1sw9d4vksnpazq0zajvjd";
     };
   
     configureFlags = [
  
positive.code:     libgsf
      libxml2
      pango
    ];
  
    enableParallelBuilding = true;
  
negative.code:     "--disable-gtk-doc-html"
      "--disable-gtk-doc-pdf"
      "--disable-tools"
      (enFlag "introspection" (gobject-introspection != null) null)
      (enFlag "vala" (vala != null) null)
    ];
  
    # It wants to add loaders and update the loaders.cache in gdk-pixbuf
  