2006-03-17  Stepan Kasal  <address@hidden>

	* lib/m4sugar/m4sh.m4 (AS_BOURNE_COMPATIBLE): Removed BIN_SH=xpg4,
	  moved DUALCASE=1 ...
	(AS_SHELL_SANITIZE): ... here.
	* doc/autoconf.texi (Special Shell Variables) <BIN_SH>: Do not say
	  that it is set.

Index: lib/m4sugar/m4sh.m4
===================================================================
RCS file: /cvsroot/autoconf/autoconf/lib/m4sugar/m4sh.m4,v
retrieving revision 1.162
diff -u -r1.162 m4sh.m4
--- lib/m4sugar/m4sh.m4	16 Mar 2006 13:33:18 -0000	1.162
+++ lib/m4sugar/m4sh.m4	17 Mar 2006 15:20:12 -0000
@@ -172,8 +172,6 @@
 else
   case `(set -o) 2>/dev/null` in *posix*) set -o posix;; esac
 fi
-BIN_SH=xpg4; export BIN_SH # for Tru64
-DUALCASE=1; export DUALCASE # for MKS sh
 ])
 
 
@@ -320,6 +318,7 @@
 ## --------------------- ##
 
 AS_BOURNE_COMPATIBLE
+DUALCASE=1; export DUALCASE # for MKS sh
 
 # PATH needs CR
 _AS_CR_PREPARE
Index: doc//autoconf.texi
===================================================================
RCS file: /cvsroot/autoconf/autoconf/doc/autoconf.texi,v
retrieving revision 1.967
diff -u -r1.967 autoconf.texi
--- doc/autoconf.texi	17 Mar 2006 03:59:05 -0000	1.967
+++ doc/autoconf.texi	17 Mar 2006 17:19:17 -0000
@@ -11091,7 +11091,6 @@
 @evindex BIN_SH
 In Tru64, if @env{BIN_SH} is set to @code{xpg4}, subsidiary invocations of
 the standard shell conform to Posix.
-Autoconf-generated scripts export this variable when they start up.
 
 @item CDPATH
 @evindex CDPATH