anchor.diff:  }:
   
   let
  -  rev = "338f54e0dbf3d9e9583f34c9dde194c39ba0b4e8";
  -  version = "2016-06-10";
  +  rev = "7d4360c64d94de53d907f13ca99837285e972ec6";
  +  version = "2018-02-27";
   in
   stdenv.mkDerivation rec {
     name = "xdg-utils-${version}";
  
positive.code: , docbook_xml_dtd_412
  , docbook-xsl
  , fetchurl
  , libxslt
  , xmlto
  , w3m
  
negative.code:     done
    '';
  
    meta = with lib; {
      description = "Desktop integration utilities";
      homepage = http://portland.freedesktop.org/wiki/;
      license = licenses.mit;
  