--- a/gnulib-tool	Thu Aug 10 13:40:17 2006 +0000
+++ b/gnulib-tool	Thu Aug 10 14:22:53 2006 +0000
@@ -22,7 +22,7 @@
 
 progname=$0
 package=gnulib
-cvsdatestamp='$Date: 2006-08-08 11:35:22 $'
+cvsdatestamp='$Date: 2006-08-10 14:22:53 $'
 last_checkin_date=`echo "$cvsdatestamp" | sed -e 's,^\$[D]ate: ,,'`
 version=`echo "$last_checkin_date" | sed -e 's/ .*$//' -e 's,/,-,g'`
 
@@ -1526,6 +1526,8 @@
     echo "# any checks for libraries, header files, types and library functions."
     echo "AC_DEFUN([${macro_prefix}_EARLY],"
     echo "["
+    echo "  m4_pattern_forbid([^gl_[A-Z]])dnl the gnulib macro namespace"
+    echo "  m4_pattern_allow([^gl_ES$])dnl a valid locale name"
     echo "  AC_REQUIRE([AC_PROG_RANLIB])"
     if grep AC_GNU_SOURCE "$destdir"/$m4base/*.m4 >/dev/null 2>/dev/null; then
       echo "  AC_REQUIRE([AC_GNU_SOURCE])"