anchor.diff:  { stdenv
   , fetchFromGitLab
  -, pkgconfig
  +, pkg-config
   , vala
   , glib
   , meson
  
positive.code: , icu
  , glib-networking
  , libsoup
  , docbook_xsl
  , docbook_xml_dtd_412
  , gnome3
  , gcr
  
negative.code:   ];
  
    nativeBuildInputs = [
      dbus # used for checks and pkg-config to install dbus service/s
      docbook_xml_dtd_412
      docbook-xsl-nons
      gettext
      gobject-introspection
      gtk-doc
      libxslt
      meson
      ninja
      pkg-config
      python3
      vala
      wrapGAppsHook
  