(USAGE_BUILTIN_WARNING): New macro.

diff --git a/src/system.h b/src/system.h
index fb81525362ce5ee9d85a6216718ac7a42bee75b0..19f699fa5940b76f778c9070daed2cec51f6d1b7 100644 (file)
--- a/src/system.h
+++ b/src/system.h
@@ -611,6 +611,15 @@ enum
     usage (EXIT_SUCCESS);                      \
     break;
 
+/* Program_name must be a literal string.
+   Usually it is just PROGRAM_NAME.  */
+#define USAGE_BUILTIN_WARNING \
+  _("\n" \
+"NOTE: your shell may have its own version of %s, which usually supersedes\n" \
+"the version described here.  Please refer to your shell's documentation\n" \
+"for details about the options it supports.\n" \
+"\n")
+
 #define HELP_OPTION_DESCRIPTION \
   _("      --help     display this help and exit\n")
 #define VERSION_OPTION_DESCRIPTION \