anchor.diff:  
     buildInputs = [
       libintl libwebp enchant2 libnotify gnutls pcre nettle libidn libgcrypt woff2
  -    libxml2 libsecret libxslt harfbuzz libpthreadstubs libtasn1 p11-kit
  +    libxml2 libsecret libxslt harfbuzz libpthreadstubs libtasn1 p11-kit openjpeg
       sqlite gst-plugins-base gst-plugins-bad libxkbcommon epoxy at-spi2-core
     ] ++ optional enableGeoLocation geoclue2
       ++ optional enableGtk2Plugins gtk2
  
positive.code: 
    src = fetchurl {
      url = "https://webkitgtk.org/releases/${name}.tar.xz";
      sha256 = "1zrhmz90sn30zgyflj4i86fsscws10xsi2kfs87nj2nd0pbggrjb";
    };
  
    patches = optionals stdenv.isDarwin [
  
negative.code: with stdenv.lib;
  stdenv.mkDerivation rec {
    name = "webkitgtk-${version}";
    version = "2.24.0";
  
    meta = {
      description = "Web content rendering engine, GTK+ port";
  