--- aeimport/format/rcs/gram.y.orig	2020-06-17 17:55:08.321101000 -0400
+++ aeimport/format/rcs/gram.y	2020-06-17 17:55:44.146287000 -0400
@@ -1,6 +1,7 @@
 /*
  *      aegis - project change supervisor
  *      Copyright (C) 2001-2006, 2008, 2012 Peter Miller
+ *      Copyright (C) 2020 Aryeh M. Friedman
  *
  *      This program is free software; you can redistribute it and/or modify
  *      it under the terms of the GNU General Public License as published by
@@ -17,6 +18,7 @@
  *      <http://www.gnu.org/licenses/>.
  */
 
+%define api.prefix {format_rcs_gram_}
 %{
 
 #include <common/ac/assert.h>