Index: util_grp.c
===================================================================
--- util_grp.c	(revision 2884)
+++ util_grp.c	(revision 2885)
@@ -4,6 +4,8 @@
  *  cschem - modular/flexible schematics editor - sch-rnd (executable)
  *  Copyright (C) 2020,2022 Tibor 'Igor2' Palinkas
  *
+ *  (Supported by NLnet NGI0 PET Fund in 2022)
+ *
  *  This library is free software; you can redistribute it and/or
  *  modify it under the terms of the GNU Lesser General Public
  *  License as published by the Free Software Foundation; either