anchor.diff:    inherit (stdenv.lib)
       replaceChars;
   
  -  version = "9.23";
  +  version = "9.25";
     versionNoP = replaceChars ["."] [""] version;
   
     fonts = stdenv.mkDerivation {
  
positive.code:     dbus
      fontconfig
      freetype
      ijs
      jbig2dec
      lcms2
      libidn
  
negative.code:     ln -s "${fonts}" "$out/share/ghostscript/fonts"
    '';
  
    passthru = {
      inherit version fonts;
  
      srcVerification = fetchurl {
        failEarly = true;
        inherit (src)
          urls
          outputHash
          outputHashAlgo;
        fullOpts = {
          md5Url = "${baseUrl}/MD5SUMS";
          sha512Url = "${baseUrl}/SHA512SUMS";
        };
      };
    };
  
  