Changes in version 2.1a:
+* Bison now allows multiple %union declarations, and concatenates
+ their contents together.
+
* New warning: unused values
Typed right-hand side symbols whose value are not used are reported.
For instance:
-----
-Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005
-Free Software Foundation, Inc.
+Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
+2004, 2005, 2006 Free Software Foundation, Inc.
This file is part of Bison, the GNU Compiler Compiler.