--- libaegis/gram.y.orig	2020-06-17 17:49:20.265476000 -0400
+++ libaegis/gram.y	2020-06-17 17:49:37.193953000 -0400
@@ -1,6 +1,7 @@
 /*
  * aegis - project change supervisor
  * Copyright (C) 1991-1994, 1999, 2002, 2004-2006, 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 {gram_}
 %{
 
 #include <common/ac/stdio.h>