*: --help tweaks

function                                             old     new   delta
packed_usage                                       33589   33552     -37

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

coreutils/chgrp.c

@@ -23,13 +23,17 @@
 //usage:#define chgrp_trivial_usage
 //usage:       "[-Rh"IF_DESKTOP("LHPcvf")"]... GROUP FILE..."
 //usage:#define chgrp_full_usage "\n\n"
-//usage:       "Change the group membership of FILEs to GROUP\n"
-//usage:     "\n	-R	Recurse"
+//usage:       "Change the group membership of FILEs to GROUP"
+//usage:     "\n"
 //usage:     "\n	-h	Affect symlinks instead of symlink targets"
 //usage:	IF_DESKTOP(
 //usage:     "\n	-L	Traverse all symlinks to directories"
 //usage:     "\n	-H	Traverse symlinks on command line only"
 //usage:     "\n	-P	Don't traverse symlinks (default)"
+//usage:	)
+//next 4 options are the same for chmod/chown/chgrp:
+//usage:     "\n	-R	Recurse"
+//usage:	IF_DESKTOP(
 //usage:     "\n	-c	List changed files"
 //usage:     "\n	-v	Verbose"
 //usage:     "\n	-f	Hide errors"

coreutils/chmod.c

@@ -26,12 +26,13 @@
 //usage:#define chmod_trivial_usage
 //usage:       "[-R"IF_DESKTOP("cvf")"] MODE[,MODE]... FILE..."
 //usage:#define chmod_full_usage "\n\n"
-//usage:       "Each MODE is one or more of the letters ugoa, one of the\n"
-//usage:       "symbols +-= and one or more of the letters rwxst\n"
+//usage:       "MODE is octal number (bit pattern sstrwxrwxrwx) or [ugoa]{+|-|=}[rwxXst]"
+//usage:     "\n"
+//next 4 options are the same for chmod/chown/chgrp:
 //usage:     "\n	-R	Recurse"
 //usage:	IF_DESKTOP(
 //usage:     "\n	-c	List changed files"
-//usage:     "\n	-v	List all files"
+//usage:     "\n	-v	Verbose"
 //usage:     "\n	-f	Hide errors"
 //usage:	)
 //usage:

coreutils/chown.c

@@ -28,15 +28,19 @@
 //usage:#define chown_trivial_usage
 //usage:       "[-Rh"IF_DESKTOP("LHPcvf")"]... USER[:[GRP]] FILE..."
 //usage:#define chown_full_usage "\n\n"
-//usage:       "Change the owner and/or group of FILEs to USER and/or GRP\n"
-//usage:     "\n	-R	Recurse"
+//usage:       "Change the owner and/or group of FILEs to USER and/or GRP"
+//usage:     "\n"
 //usage:     "\n	-h	Affect symlinks instead of symlink targets"
 //usage:	IF_DESKTOP(
 //usage:     "\n	-L	Traverse all symlinks to directories"
 //usage:     "\n	-H	Traverse symlinks on command line only"
 //usage:     "\n	-P	Don't traverse symlinks (default)"
+//usage:	)
+//next 4 options are the same for chmod/chown/chgrp:
+//usage:     "\n	-R	Recurse"
+//usage:	IF_DESKTOP(
 //usage:     "\n	-c	List changed files"
-//usage:     "\n	-v	List all files"
+//usage:     "\n	-v	Verbose"
 //usage:     "\n	-f	Hide errors"
 //usage:	)
 //usage:

coreutils/cut.c

@@ -29,6 +29,7 @@
 //usage:     "\n	-s	Output only lines containing delimiter"
 //usage:     "\n	-f LIST	Print only these fields"
 //usage:     "\n	-n	Ignored"
+//(manpage:-n	with -b: don't split multibyte characters)
 //usage:
 //usage:#define cut_example_usage
 //usage:       "$ echo \"Hello world\" | cut -f 1 -d ' '\n"

coreutils/echo.c

@@ -43,10 +43,10 @@
 //usage:#define echo_trivial_usage
 //usage:	IF_FEATURE_FANCY_ECHO("[-neE] ") "[ARG]..."
 //usage:#define echo_full_usage "\n\n"
-//usage:       "Print the specified ARGs to stdout"
+//usage:       "Print ARGs to stdout"
 //usage:	IF_FEATURE_FANCY_ECHO( "\n"
-//usage:     "\n	-n	Suppress trailing newline"
-//usage:     "\n	-e	Interpret backslash escapes (i.e., \\t=tab)"
+//usage:     "\n	-n	No trailing newline"
+//usage:     "\n	-e	Interpret backslash escapes (\\t=tab etc)"
 //usage:     "\n	-E	Don't interpret backslash escapes (default)"
 //usage:	)
 //usage:

coreutils/id.c

@@ -52,7 +52,7 @@
 //usage:#define groups_trivial_usage
 //usage:       "[USER]"
 //usage:#define groups_full_usage "\n\n"
-//usage:       "Print the group memberships of USER or for the current process"
+//usage:       "Print the groups USER is in"
 //usage:
 //usage:#define groups_example_usage
 //usage:       "$ groups\n"