*: more --help tweaking

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

console-tools/loadfont.c

@@ -399,7 +399,7 @@ setfont [-O font+umap.orig] [-o font.orig] [-om cmap.orig]
 -V     Version
 */
 //usage:#define setfont_trivial_usage
-//usage:       "FONT [-m MAPFILE] [-C TTY]"
+//usage:       "[-m MAPFILE] [-C TTY] FILE"
 //usage:#define setfont_full_usage "\n\n"
 //usage:       "Load a console font\n"
 //usage:     "\n	-m MAPFILE	Load console screen map"

coreutils/nproc.c

@@ -14,7 +14,7 @@
 //kbuild:lib-$(CONFIG_NPROC) += nproc.o
 
 //usage:#define nproc_trivial_usage
-//usage:	""IF_LONG_OPTS("--all --ignore=N")
+//usage:	""IF_LONG_OPTS("[--all] [--ignore=N]")
 //usage:#define nproc_full_usage "\n\n"
 //usage:	"Print number of available CPUs"
 //usage:	IF_LONG_OPTS(

miscutils/mt.c

@@ -19,7 +19,7 @@
 //usage:#define mt_full_usage "\n\n"
 //usage:       "Control magnetic tape drive operation\n"
 //usage:       "\n"
-//usage:       "Available Opcodes:\n"
+//usage:       "Opcodes:\n"
 //usage:       "\n"
 //usage:       "bsf bsfm bsr bss datacompression drvbuffer eof eom erase\n"
 //usage:       "fsf fsfm fsr fss load lock mkpart nop offline ras1 ras2\n"

networking/nameif.c

@@ -52,10 +52,10 @@
 //usage:#define nameif_full_usage "\n\n"
 //usage:	"Rename network interface while it in the down state."
 //usage:	IF_NOT_FEATURE_NAMEIF_EXTENDED(
-//usage:     "\nThe device with address HWADDR is renamed to IFACE."
+//usage:     "\nThe device with address HWADDR is renamed to IFNAME."
 //usage:	)
 //usage:	IF_FEATURE_NAMEIF_EXTENDED(
-//usage:     "\nThe device matched by SELECTOR is renamed to IFACE."
+//usage:     "\nThe device matched by SELECTOR is renamed to IFNAME."
 //usage:     "\nSELECTOR can be a combination of:"
 //usage:     "\n	driver=STRING"
 //usage:     "\n	bus=STRING"

procps/pgrep.c

@@ -44,17 +44,17 @@
 //usage:     "\n	-P	Match parent process ID"
 //usage:
 //usage:#define pkill_trivial_usage
-//usage:       "[-l|-SIGNAL] [-fnovx] [-s SID|-P PPID|PATTERN]"
+//usage:       "[-l|-SIGNAL] [-xfvno] [-s SID|-P PPID|PATTERN]"
 //usage:#define pkill_full_usage "\n\n"
-//usage:       "Send a signal to process(es) selected by regex PATTERN\n"
+//usage:       "Send signal to processes selected by regex PATTERN\n"
 //usage:     "\n	-l	List all signals"
+//usage:     "\n	-x	Match whole name (not substring)"
 //usage:     "\n	-f	Match against entire command line"
+//usage:     "\n	-s SID	Match session ID (0 for current)"
+//usage:     "\n	-P PPID	Match parent process ID"
+//usage:     "\n	-v	Negate the match"
 //usage:     "\n	-n	Signal the newest process only"
 //usage:     "\n	-o	Signal the oldest process only"
-//usage:     "\n	-v	Negate the match"
-//usage:     "\n	-x	Match whole name (not substring)"
-//usage:     "\n	-s	Match session ID (0 for current)"
-//usage:     "\n	-P	Match parent process ID"
 
 #include "libbb.h"
 #include "xregex.h"

util-linux/mountpoint.c

@@ -19,13 +19,14 @@
 //kbuild:lib-$(CONFIG_MOUNTPOINT) += mountpoint.o
 
 //usage:#define mountpoint_trivial_usage
-//usage:       "[-q] <[-dn] DIR | -x DEVICE>"
+//usage:       "[-q] { [-dn] DIR | -x DEVICE }"
 //usage:#define mountpoint_full_usage "\n\n"
-//usage:       "Check if the directory is a mountpoint\n"
+//usage:       "Check if DIR is a mountpoint\n"
 //usage:     "\n	-q	Quiet"
-//usage:     "\n	-d	Print major/minor device number of the filesystem"
+//usage:     "\n	-d	Print major:minor of the filesystem"
 //usage:     "\n	-n	Print device name of the filesystem"
-//usage:     "\n	-x	Print major/minor device number of the blockdevice"
+//////// -n is not supported by util-linux-2.36.1 ^^^^^^^^^^^^^^^^^^
+//usage:     "\n	-x	Print major:minor of DEVICE"
 //usage:
 //usage:#define mountpoint_example_usage
 //usage:       "$ mountpoint /proc\n"

util-linux/readprofile.c

@@ -44,8 +44,8 @@
 //usage:#define readprofile_trivial_usage
 //usage:       "[OPTIONS]"
 //usage:#define readprofile_full_usage "\n\n"
-//usage:       "	-m mapfile	(Default: /boot/System.map)"
-//usage:     "\n	-p profile	(Default: /proc/profile)"
+//usage:       "	-m MAPFILE	(Default: /boot/System.map)"
+//usage:     "\n	-p PROFILE	(Default: /proc/profile)"
 //usage:     "\n	-M NUM		Set the profiling multiplier to NUM"
 //usage:     "\n	-i		Print only info about the sampling step"
 //usage:     "\n	-v		Verbose"