*: more --help tweaks

function                                             old     new   delta
packed_usage                                       33552   33541     -11

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

archival/unzip.c

@@ -56,7 +56,7 @@
 //kbuild:lib-$(CONFIG_UNZIP) += unzip.o
 
 //usage:#define unzip_trivial_usage
-//usage:       "[-lnojpq] FILE[.zip] [FILE]... [-x FILE...] [-d DIR]"
+//usage:       "[-lnojpq] FILE[.zip] [FILE]... [-x FILE]... [-d DIR]"
 //usage:#define unzip_full_usage "\n\n"
 //usage:       "Extract FILEs from ZIP archive\n"
 //usage:     "\n	-l	List contents (with -q for short form)"

coreutils/who.c

@@ -78,7 +78,7 @@
 // root     pts/1     Mon13    3:24m  1:01   0.01s w
 
 //usage:#define who_trivial_usage
-//usage:       "[-a]"
+//usage:       "[-aH]"
 //usage:#define who_full_usage "\n\n"
 //usage:       "Show who is logged on\n"
 //usage:     "\n	-a	Show all"

loginutils/su.c

@@ -35,7 +35,7 @@
 //kbuild:lib-$(CONFIG_SU) += su.o
 
 //usage:#define su_trivial_usage
-//usage:       "[-lmp] [-] [-s SH] [USER [SCRIPT ARGS / -c 'CMD' ARG0 ARGS]]"
+//usage:       "[-lmp] [-s SH] [-] [USER [FILE ARGS | -c 'CMD' [ARG0 ARGS]]]"
 //usage:#define su_full_usage "\n\n"
 //usage:       "Run shell under USER (by default, root)\n"
 //usage:     "\n	-,-l	Clear environment, go to home dir, run shell as login shell"

miscutils/bc.c

@@ -108,7 +108,7 @@
 
 //See www.gnu.org/software/bc/manual/bc.html
 //usage:#define bc_trivial_usage
-//usage:       "[-sqlw] [FILE...]"
+//usage:       "[-sqlw] [FILE]..."
 //usage:
 //usage:#define bc_full_usage "\n"
 //usage:     "\nArbitrary precision calculator"

miscutils/chat.c

@@ -79,7 +79,7 @@
 //kbuild:lib-$(CONFIG_CHAT) += chat.o
 
 //usage:#define chat_trivial_usage
-//usage:       "EXPECT [SEND [EXPECT [SEND...]]]"
+//usage:       "EXPECT [SEND [EXPECT [SEND]]...]"
 //usage:#define chat_full_usage "\n\n"
 //usage:       "Useful for interacting with a modem connected to stdin/stdout.\n"
 //usage:       "A script consists of \"expect-send\" argument pairs.\n"

miscutils/ubi_tools.c

@@ -251,7 +251,7 @@ int ubi_tools_main(int argc UNUSED_PARAM, char **argv)
 	} else
 
 //usage:#define ubirmvol_trivial_usage
-//usage:       "-n VOLID / -N VOLNAME UBI_DEVICE"
+//usage:       "-n VOLID | -N VOLNAME UBI_DEVICE"
 //usage:#define ubirmvol_full_usage "\n\n"
 //usage:       "Remove UBI volume\n"
 //usage:     "\n	-n VOLID	Volume ID"

procps/sysctl.c

@@ -21,16 +21,16 @@
 //kbuild:lib-$(CONFIG_BB_SYSCTL) += sysctl.o
 
 //usage:#define sysctl_trivial_usage
-//usage:       "-p [-enq] [FILE...] / [-enqaw] [KEY[=VALUE]]..."
+//usage:       "[-enq] { -a | -p [FILE]... | [-w] [KEY[=VALUE]]... }"
 //usage:#define sysctl_full_usage "\n\n"
 //usage:       "Show/set kernel parameters\n"
-//usage:     "\n	-p	Set values from FILEs (default /etc/sysctl.conf)"
 //usage:     "\n	-e	Don't warn about unknown keys"
 //usage:     "\n	-n	Don't show key names"
 //usage:     "\n	-q      Quiet"
 //usage:     "\n	-a	Show all values"
 /* Same as -a, no need to show it */
 /* //usage:     "\n	-A	Show all values in table form" */
+//usage:     "\n	-p	Set values from FILEs (default /etc/sysctl.conf)"
 //usage:     "\n	-w	Set values"
 //usage:
 //usage:#define sysctl_example_usage

shell/ash.c

@@ -14398,7 +14398,7 @@ init(void)
 
 
 //usage:#define ash_trivial_usage
-//usage:	"[-il] [-|+Cabefmnuvx] [-|+o OPT]... [-c 'SCRIPT' [ARG0 [ARGS]] | FILE [ARGS] | -s [ARGS]]"
+//usage:	"[-il] [-|+Cabefmnuvx] [-|+o OPT]... [-c 'SCRIPT' [ARG0 ARGS] | FILE [ARGS] | -s [ARGS]]"
 ////////	comes from ^^^^^^^^^^optletters
 //usage:#define ash_full_usage "\n\n"
 //usage:	"Unix shell interpreter"

shell/hush.c

@@ -339,7 +339,7 @@
  * therefore we don't show them either.
  */
 //usage:#define hush_trivial_usage
-//usage:	"[-enxl] [-c 'SCRIPT' [ARG0 [ARGS]] | FILE [ARGS] | -s [ARGS]]"
+//usage:	"[-enxl] [-c 'SCRIPT' [ARG0 ARGS] | FILE [ARGS] | -s [ARGS]]"
 //usage:#define hush_full_usage "\n\n"
 //usage:	"Unix shell interpreter"
 

util-linux/renice.c

@@ -29,7 +29,7 @@
 //kbuild:lib-$(CONFIG_RENICE) += renice.o
 
 //usage:#define renice_trivial_usage
-//usage:       "[-n] PRIORITY [[-p | -g | -u] ID...]..."
+//usage:       "[-n] PRIORITY [[-p|g|u] ID...]..."
 //usage:#define renice_full_usage "\n\n"
 //usage:       "Change scheduling priority of a running process\n"
 //usage:     "\n	-n	Add PRIORITY to current nice value"