/* Grammar reduction for Bison.
- Copyright (C) 2000, 2001, 2002 Free Software Foundation, Inc.
+ Copyright (C) 2000-2002, 2007, 2009-2013 Free Software Foundation,
+ Inc.
This file is part of Bison, the GNU Compiler Compiler.
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 nuseless_nonterminals;