anchor.diff:  
   stdenv.mkDerivation rec {
     name = "libxmlb-${version}";
  -  version = "0.1.8";
  +  version = "0.1.9";
   
     outputs = [ "out" "lib" "dev" "devdoc" ];
   
  
positive.code:     owner = "hughsie";
      repo = "libxmlb";
      rev = version;
      sha256 = "0nry2a4vskfklykd20smp4maqpzibc65rzyv4i71nrc55dyjpy7x";
    };
  
    nativeBuildInputs = [ meson ninja python3 pkgconfig gobject-introspection gtk-doc shared-mime-info docbook_xsl docbook_xml_dtd_43 ];
  
negative.code:     homepage = https://github.com/hughsie/libxmlb;
      license = licenses.lgpl21Plus;
      maintainers = with maintainers; [ jtojnar ];
      platforms = platforms.linux;
    };
  }
  