anchor.diff:    };
   
     nativeBuildInputs = [ meson ninja pkgconfig gettext wrapGAppsHook gobjectIntrospection ];
  -  buildInputs = [ glib gtk3 gjs pango gnome3.gsettings-desktop-schemas gnome3.defaultIconTheme ];
  +  buildInputs = [ glib gtk3 gjs pango gnome3.gsettings-desktop-schemas gnome3.defaultIconTheme libunistring ];
   
     mesonFlags = [
       "-Ddbus_service_dir=${placeholder "out"}/share/dbus-1/services"
  
positive.code: { stdenv, fetchurl, meson, ninja, pkgconfig, gettext, gnome3, glib, gtk3, pango, wrapGAppsHook
  , gobjectIntrospection, gjs, gdk_pixbuf, librsvg }:
  
  stdenv.mkDerivation rec {
    name = "gnome-characters-${version}";
  
negative.code:     sha256 = "14q92ysg7krawxlwv6ymgsxz2plk81wgfz6knlma7lm13jsczmf0";
    };
  
    postPatch = ''
      chmod +x meson_post_install.py # patchShebangs requires executable file
      patchShebangs meson_post_install.py
    '';
  
    passthru = {
      updateScript = gnome3.updateScript {
        packageName = "gnome-characters";
  