+# We have strange test case titles, so we need Autoconf 2.61 or better.
+AC_PREREQ(2.61)
+
+AC_INIT([GNU Bison], [2.3a+], [bug-bison@gnu.org])
+AC_DEFINE([PACKAGE_COPYRIGHT_YEAR], [2007],
+ [The copyright year for this package])
+AC_SUBST([PACKAGE_COPYRIGHT_YEAR], [2007])