*: more --help tweaks, mostly expanding ts --help

function                                             old     new   delta
packed_usage                                       33554   33596     +42

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

archival/tar.c

@@ -775,7 +775,7 @@ static llist_t *append_file_list_to_list(llist_t *list)
 //usage:	IF_FEATURE_TAR_NOPRESERVE_TIME("m")
 //usage:	"vokO] "
 //usage:	"[-f TARFILE] [-C DIR] "
-//usage:	IF_FEATURE_TAR_FROM("[-T FILE] [-X FILE] "IF_FEATURE_TAR_LONG_OPTIONS("[OPTION]... "))
+//usage:	IF_FEATURE_TAR_FROM("[-T FILE] [-X FILE] "IF_FEATURE_TAR_LONG_OPTIONS("[LONGOPT]... "))
 //usage:	"[FILE]..."
 //usage:#define tar_full_usage "\n\n"
 //usage:	IF_FEATURE_TAR_CREATE("Create, extract, ")

coreutils/touch.c

@@ -31,7 +31,7 @@
 //kbuild:lib-$(CONFIG_TOUCH) += touch.o
 
 //usage:#define touch_trivial_usage
-//usage:       "[-c" IF_FEATURE_TOUCH_SUSV3("am") "]"
+//usage:       "[-ch" IF_FEATURE_TOUCH_SUSV3("am") "]"
 //usage:       IF_FEATURE_TOUCH_SUSV3(" [-d DATE] [-t DATE] [-r FILE]")
 //usage:       " FILE..."
 //usage:#define touch_full_usage "\n\n"

coreutils/tty.c

@@ -21,7 +21,7 @@
 /* http://www.opengroup.org/onlinepubs/9699919799/utilities/tty.html */
 
 //usage:#define tty_trivial_usage
-//usage:       ""
+//usage:       "" IF_INCLUDE_SUSv2("[-s]")
 //usage:#define tty_full_usage "\n\n"
 //usage:       "Print file name of stdin's terminal"
 //usage:	IF_INCLUDE_SUSv2( "\n"

coreutils/uname.c

@@ -79,13 +79,13 @@
 //usage:#define uname_full_usage "\n\n"
 //usage:       "Print system information\n"
 //usage:     "\n	-a	Print all"
-//usage:     "\n	-m	The machine (hardware) type"
+//usage:     "\n	-m	Machine (hardware) type"
 //usage:     "\n	-n	Hostname"
 //usage:     "\n	-r	Kernel release"
 //usage:     "\n	-s	Kernel name (default)"
 //usage:     "\n	-p	Processor type"
 //usage:     "\n	-v	Kernel version"
-//usage:     "\n	-i	The hardware platform"
+//usage:     "\n	-i	Hardware platform"
 //usage:     "\n	-o	OS name"
 //usage:
 //usage:#define uname_example_usage

coreutils/yes.c

@@ -27,7 +27,7 @@
 //usage:#define yes_trivial_usage
 //usage:       "[STRING]"
 //usage:#define yes_full_usage "\n\n"
-//usage:       "Repeatedly output a line with STRING, or 'y'"
+//usage:       "Repeatedly print a line with STRING, or 'y'"
 
 #include "libbb.h"
 

miscutils/ts.c

@@ -13,7 +13,10 @@
 
 //usage:#define ts_trivial_usage
 //usage:       "[-is] [STRFTIME]"
-//usage:#define ts_full_usage ""
+//usage:#define ts_full_usage "\n\n"
+//usage:       "Pipe stdin to stdout, add timestamp to each line\n"
+//usage:     "\n	-s	Time since start"
+//usage:     "\n	-i	Time since previous line"
 
 #include "libbb.h"
 #include "common_bufsiz.h"

procps/top.c

@@ -1052,9 +1052,9 @@ static unsigned handle_input(unsigned scan_mask, duration_t interval)
 //usage:       "[-b"IF_FEATURE_TOPMEM("m")IF_FEATURE_SHOW_THREADS("H")"]"
 //usage:       " [-n COUNT] [-d SECONDS]"
 //usage:#define top_full_usage "\n\n"
-//usage:       "Provide a view of process activity in real time."
+//usage:       "Show a view of process activity in real time."
 //usage:   "\n""Read the status of all processes from /proc each SECONDS"
-//usage:   "\n""and display a screenful of them."
+//usage:   "\n""and show a screenful of them."
 //usage:   "\n"
 //usage:	IF_FEATURE_TOP_INTERACTIVE(
 //usage:       "Keys:"

runit/svlogd.c

@@ -140,12 +140,12 @@ log message, you can use a pattern like this instead
 //usage:#define svlogd_full_usage "\n\n"
 //usage:       "Read log data from stdin and write to rotated log files in DIRs"
 //usage:   "\n"
-//usage:   "\n""-r C		Replace non-printable characters with C"
+//usage:   "\n""	-r C	Replace non-printable characters with C"
-//usage:   "\n""-R CHARS	Also replace CHARS with C (default _)"
+//usage:   "\n""	-R CHARS Also replace CHARS with C (default _)"
-//usage:   "\n""-t		Timestamp with @tai64n"
+//usage:   "\n""	-t	Timestamp with @tai64n"
-//usage:   "\n""-tt		Timestamp with yyyy-mm-dd_hh:mm:ss.sssss"
+//usage:   "\n""	-tt	Timestamp with yyyy-mm-dd_hh:mm:ss.sssss"
-//usage:   "\n""-ttt		Timestamp with yyyy-mm-ddThh:mm:ss.sssss"
+//usage:   "\n""	-ttt	Timestamp with yyyy-mm-ddThh:mm:ss.sssss"
-//usage:   "\n""-v		Verbose"
+//usage:   "\n""	-v	Verbose"
 //usage:   "\n"
 //usage:   "\n""DIR/config file modifies behavior:"
 //usage:   "\n""sSIZE - when to rotate logs (default 1000000, 0 disables)"