Remaining m4sugar merge from autoconf.

[bison.git] / src / nullable.c

diff --git a/src/nullable.c b/src/nullable.c
index 83a90e9556636d827aee54d5c8d0a300ad849ff1..7ee661201ec4aeed6f3cb320ecd6aef6b09acd95 100644 (file)
--- a/src/nullable.c
+++ b/src/nullable.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/>.  */
 
 
 /* Set up NULLABLE, a vector saying which nonterminals can expand into
@@ -104,8 +102,8 @@ nullable_compute (void)
        else
          {
            /* This rule has an empty RHS. */
-           assert (item_number_as_rule_number (rules_ruleno->rhs[0])
-                   == ruleno);
+           aver (item_number_as_rule_number (rules_ruleno->rhs[0])
+                 == ruleno);
            if (rules_ruleno->useful
                && ! nullable[rules_ruleno->lhs->number - ntokens])
              {