anchor.diff:  
   stdenv.mkDerivation rec {
     pname = "gupnp";
  -  version = "1.4.3";
  +  version = "1.4.4";
   
     outputs = [ "out" "dev" ]
       ++ lib.optionals (stdenv.buildPlatform == stdenv.hostPlatform) [ "devdoc" ];
   
     src = fetchurl {
       url = "mirror://gnome/sources/gupnp/${lib.versions.majorMinor version}/${pname}-${version}.tar.xz";
  -    sha256 = "sha256-FO2nd5NNot90PQckiZM72YETMre1v0Fia4Ay77KLM7o=";
  +    sha256 = "sha256-N2GxXLBjYh+Efz7/t9djfwMXUA/Ka9oeGQT3OSF1Ch8=";
     };
   
     patches = [
  
positive.code:     gtk-doc
      docbook_xsl
      docbook_xml_dtd_412
      docbook_xml_dtd_44
    ];
  
    buildInputs = [
  
negative.code: , gtk-doc
  , docbook_xsl
  , docbook_xml_dtd_412
  , docbook_xml_dtd_45
  , glib
  , gssdp
  , libsoup
  