(usage): Add one- and two-line descriptions to --help output.

From Karl.

diff --git a/login-utils/su.c b/login-utils/su.c
index 5ba724f41af23065f587e3ecbc92bdaf911f8092..a41706a308176d566bbc4341a69cd77a3b8e4a4b 100644 (file)
--- a/login-utils/su.c
+++ b/login-utils/su.c
@@ -575,8 +575,9 @@ usage (status)
     {
       printf ("Usage: %s [OPTION]... [-] [USER [ARG]...]\n", program_name);
       printf ("\
+Change the effective user id and group id to that of USER.\n\
 \n\
-  -l, --login                  make the shell a login shell\n\
+  -, -l, --login               make the shell a login shell\n\
   -c, --commmand=COMMAND       pass a single COMMAND to the shell with -c\n\
   -f, --fast                   pass -f to the shell (for csh or tcsh)\n\
   -m, --preserve-environment   do not reset environment variables\n\