anchor.diff:      dbus-glib
       gdk-pixbuf
       glib
  -    gtk3
  +    gtk_3
       gobject-introspection
       libx11
       libxml2
  
positive.code:     boolWt;
  
    channel = "3.0";
    version = "${versionMajor}.2";
  in
  stdenv.mkDerivation rec {
    name = "libunique-${version}";
  
negative.code: , gdk-pixbuf
  , glib
  , gobject-introspection
  , gtk_3
  , libx11
  , libxml2
  , pango
  }:
  
  let
  