anchor.diff:  }:
   
   let
  -  ver_maj = "1.36";
  -  ver_min = "8";
  +  ver_maj = "1.38";
  +  ver_min = "0";
   in
   stdenv.mkDerivation rec {
     name = "pango-${ver_maj}.${ver_min}";
   
     src = fetchurl {
       url = "mirror://gnome/sources/pango/${ver_maj}/${name}.tar.xz";
  -    sha256 = "01rdzjh68w8l5zn0648yibyarj8p6g7yfn59nw5awaz1i8dvbnqq";
  +    sha256 = "0v12gi7f01iq3z852pclpnmkbcksbvpcmiazmklkx1dd9fbpakhx";
     };
   
     buildInputs = with stdenv.lib; [ gobjectIntrospection ]
  -    ++ optionals stdenv.isDarwin [ fontconfig ];
  +    ++ optional stdenv.isDarwin fontconfig;
     nativeBuildInputs = [ pkgconfig ];
   
     propagatedBuildInputs = [ x11 glib cairo libpng fontconfig freetype harfbuzz ] ++ libintlOrEmpty;
   
     enableParallelBuilding = true;
   
  -  doCheck = false; # test-layout fails on 1.36.8
  +  doCheck = false; # test-layout fails on 1.38.0
     # jww (2014-05-05): The tests currently fail on Darwin:
     #
     # ERROR:testiter.c:139:iter_char_test: assertion failed: (extents.width == x1 - x0)
  
positive.code: 
    postInstall = "rm -rf $out/share/gtk-doc";
  
    meta = {
      description = "A library for laying out and rendering of text, with an emphasis on internationalization";
  
      longDescription = ''
  
negative.code:     '';
  
      homepage = http://www.pango.org/;
      license = licenses.lgpl2Plus;
  
      maintainers = with maintainers; [ raskin urkud ];
      platforms = with platforms; linux ++ darwin;
    };
  }
  