doc: one of the fixes for an ambiguous grammar was ambiguous too

[bison.git] / src / reduce.h

diff --git a/src/reduce.h b/src/reduce.h
index 8069aca9a1870d94fc7c2bfc85784450e455467a..c28824f1f2548515ee44c0a295e47515c10af481 100644 (file)
--- a/src/reduce.h
+++ b/src/reduce.h
@@ -1,30 +1,32 @@
 /* Grammar reduction for Bison.
-   Copyright (C) 2000, 2001, 2002  Free Software Foundation, Inc.
+
+   Copyright (C) 2000-2002, 2007, 2009-2012 Free Software Foundation,
+   Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
 
-   Bison is free software; you can redistribute it and/or modify
+   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
-   the Free Software Foundation; either version 2, or (at your option)
-   any later version.
+   the Free Software Foundation, either version 3 of the License, or
+   (at your option) any later version.
 
-   Bison is distributed in the hope that it will be useful,
+   This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.
 
    You should have received a copy of the GNU General Public License
-   along with Bison; see the file COPYING.  If not, write to
-   the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-   Boston, MA 02111-1307, USA.  */
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
 
 #ifndef REDUCE_H_
 # define REDUCE_H_
 
 void reduce_grammar (void);
 void reduce_output (FILE *out);
+bool reduce_token_unused_in_grammar (symbol_number i);
+bool reduce_nonterminal_useless_in_grammar (symbol_number i);
 void reduce_free (void);
 
-extern symbol_number_t nuseless_nonterminals;
-extern rule_number_t nuseless_productions;
+extern symbol_number nuseless_nonterminals;
+extern rule_number nuseless_productions;
 #endif /* !REDUCE_H_ */