anchor.diff:  
     nativeBuildInputs = [
       meson ninja pkgconfig gettext docbook_xsl docbook_xsl_ns docbook_xml_dtd_42 perl wrapGAppsHook glibcLocales
  -    sassc desktop-file-utils libxslt.bin python3
  +    sassc desktop-file-utils libxslt.bin python3 asciidoc-full
     ];
     buildInputs = [
       systemd caribou
  
positive.code:     at-spi2-core upower ibus gnome-desktop telepathy-logger gnome-settings-daemon
      gst_all_1.gst-plugins-good # recording
      gobject-introspection
  
      # not declared at build time, but typelib is needed at runtime
      libgweather networkmanagerapplet
  
negative.code:     # see https://github.com/NixOS/nixpkgs/issues/25968
      caribou
    ];
  
    patches = [
      (fetchpatch {
  