mention -s, amending r77228

git-svn-id: https://svn.r-project.org/R/trunk@88370 00db46b3-68df-0310-9c12-caf00c1e9a41

Author: smeyer

doc/manual/R-intro.texi

@@ -7005,6 +7005,7 @@ value accepted is 100000.
 Do not print out the initial copyright and welcome messages.
 
 @item --no-echo
+@itemx -s
 Make @R{} run as quietly as possible.  This option is intended to
 support programs which use @R{} to compute results for them.  It implies
 @option{--quiet} and @option{--no-save}.

src/gnuwin32/system.c

@@ -1026,9 +1026,9 @@ char *PrintUsage(void)
 	msg2b[] =
 	"  --max-ppsize=N        Set max size of protect stack to N\n",
 	msg2c[] =
-	"-  -max-connections=N   Set max number of connections to N\n",
+	"  --max-connections=N   Set max number of connections to N\n",
 	msg3[] =
-	"  -q, --quiet           Don't print startup message\n  --silent              Same as --quiet\n  --no-echo             Make R run as quietly as possible\n  --verbose             Print more information about progress\n  --args                Skip the rest of the command line\n",
+	"  -q, --quiet           Don't print startup message\n  --silent              Same as --quiet\n  -s, --no-echo         Make R run as quietly as possible\n  --verbose             Print more information about progress\n  --args                Skip the rest of the command line\n",
 	msg4[] =
 	"  --ess                 Don't use getline for command-line editing\n                          and assert interactive use\n  -f file               Take input from 'file'\n  --file=file           ditto\n  -e expression         Use 'expression' as input\n\nOne or more -e options can be used, but not together with -f or --file\n",
 	msg5[] = "\nAn argument ending in .RData (in any case) is taken as the path\nto the workspace to be restored (and implies --restore)";