Replace BISON_PROG_GNU_M4 with Autoconf's AC_PROG_GNU_M4.

[bison.git] / m4 / subpipe.m4

diff --git a/m4/subpipe.m4 b/m4/subpipe.m4
index dbf909c9f12da85c0f104026626a0ac08ef85571..cf1a92d02fb15c396fbc00fb03622ea888d34a6f 100644 (file)
--- a/m4/subpipe.m4
+++ b/m4/subpipe.m4
@@ -3,9 +3,9 @@
 #
 # Copyright (C) 2002, 2003, 2005 Free Software Foundation, Inc.
 #
-# This program 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 of the License, or
+# the Free Software Foundation, either version 3 of the License, or
 # (at your option) any later version.
 #
 # This program is distributed in the hope that it will be useful,
@@ -14,9 +14,7 @@
 # GNU General Public License for more details.
 #
 # You should have received a copy of the GNU General Public License
-# along with this program; 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/>.
 
 # Written by Paul Eggert <eggert@twinsun.com>.