X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/75ad86eebd3f49dff81976eb83036eb7b7793e68..ab2a9f579366b0d4940b0ec2d3321d139a7f1f3d:/src/print_graph.c

diff --git a/src/print_graph.c b/src/print_graph.c
index 76a76587..9d7da18a 100644
--- a/src/print_graph.c
+++ b/src/print_graph.c
@@ -5,20 +5,18 @@
 
    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., 51 Franklin Street, Fifth Floor,
-   Boston, MA 02110-1301, USA.  */
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 #include "system.h"
@@ -84,7 +82,8 @@ print_core (struct obstack *oout, state *s)
 	obstack_fgrow1 (oout, " %s", symbols[*sp]->tag);
 
       /* Experimental feature: display the lookahead tokens. */
-      if (report_flag & report_lookahead_tokens)
+      if (report_flag & report_lookahead_tokens
+          && item_number_is_rule_number (*sp1))
 	{
 	  /* Find the reduction we are handling.  */
 	  reductions *reds = s->reductions;