Index: trunk/src/conf_core.lht
===================================================================
--- trunk/src/conf_core.lht	(revision 36015)
+++ trunk/src/conf_core.lht	(revision 36016)
@@ -116,7 +116,7 @@
 #			action_string = {}
 #			rat_path = {}
 #			rat_command = {}
-			li:preferred_gui = { gtk2_gl; gtk2_gdk; lesstif; batch }
+			li:preferred_gui = { gtk2_gl; gtk2_gdk; gtk4_gl; lesstif; batch }
 			save_final_fallback_fmt = lihata
 			save_fp_fmt = lihata
 		} # rc