Autoconf now recommends M4 1.4.6

[Paul Eggert]

Now that 1.4.6 is out, and fixes some serious buffer overruns, I
installed this:

2006-08-25  Paul Eggert  <address@hidden>

        * NEWS: Recommend M4 1.4.6 instead of 1.4.5.
        * README: Likewise.
        * doc/autoconf.texi (Introduction, Why GNU M4): Likewise.

--- NEWS        24 Aug 2006 18:08:16 -0000      1.394
+++ NEWS        25 Aug 2006 17:21:42 -0000
@@ -1,6 +1,6 @@
 * Major changes in Autoconf 2.60a
 
-** GNU M4 1.4.5 or later is now recommended.  At least one "make check"
+** GNU M4 1.4.6 or later is now recommended.  At least one "make check"
   test fails with earlier versions of M4.
 
 ** The check for C99 now tests for varargs macros, as documented.
--- README      17 Jul 2006 16:15:34 -0000      1.25
+++ README      25 Aug 2006 17:21:42 -0000
@@ -11,15 +11,15 @@ operating system features that the packa
 macro calls.
 
 Producing configuration scripts using Autoconf requires GNU M4 and
-Perl.  You should install GNU M4 (version 1.4.5 or later) and Perl
+Perl.  You should install GNU M4 (version 1.4.6 or later) and Perl
 (5.005_03 or later) before configuring Autoconf, so that Autoconf's
 configure script can find them.  The configuration scripts produced by
 Autoconf are self-contained, so their users do not need to have
 Autoconf (or GNU M4, Perl, etc.).
 
-You can get GNU M4 1.4.5 here:
+You can get GNU M4 1.4.6 here:
 
-ftp://ftp.gnu.org/gnu/m4/m4-1.4.5.tar.gz
+ftp://ftp.gnu.org/gnu/m4/m4-1.4.6.tar.gz
 
 The file INSTALL should be distributed with packages that use
 Autoconf-generated configure scripts and Makefiles that conform to the
--- doc/autoconf.texi   24 Aug 2006 18:08:17 -0000      1.1072
+++ doc/autoconf.texi   25 Aug 2006 17:21:43 -0000
@@ -691,7 +691,7 @@ Autoconf imposes some restrictions on th
 
 Autoconf requires @acronym{GNU} M4 in order to generate the scripts.  It uses
 features that some versions of M4, including @acronym{GNU} M4 1.3,
-do not have.  You should use version 1.4.5 or later of @acronym{GNU} M4.
+do not have.  You should use version 1.4.6 or later of @acronym{GNU} M4.
 
 @xref{Autoconf 1}, for information about upgrading from version 1.
 @xref{History}, for the story of Autoconf's development.  @xref{FAQ},
@@ -18337,7 +18337,7 @@ __file__
 __line__
 @end example
 
-Autoconf requires version 1.4.5 or later of @acronym{GNU} M4.
+Autoconf requires version 1.4.6 or later of @acronym{GNU} M4.
 
 Since only software maintainers need to use Autoconf, and since @acronym{GNU}
 M4 is simple to configure and install, it seems reasonable to require