A bit more sync. eqn(1) is the hardest part.

Notes:
Wed Dec 14 05:52:27 EST 2005 rsc
    Thanks again.


Reference: /n/sources/patch/applied/man1-sync2
Date: Tue Dec 13 23:41:12 CET 2005
Reviewed-by: rsc

--- /sys/src/cmd/crop.c	Tue Dec 13 23:33:56 2005
+++ /sys/src/cmd/crop.c	Tue Dec 13 23:33:52 2005
@@ -16,9 +16,7 @@
 void
 usage(void)
 {
-	fprint(2, "usage: crop [-c rgb] [-i ±inset | -r R | -x ±inset | -y ±inset] [-t tx ty] [-b rgb ] [imagefile]\n");
-	fprint(2, "\twhere R is a rectangle minx miny maxx maxy\n");
-	fprint(2, "\twhere rgb is a color red green blue\n");
+	fprint(2, "usage: crop [-b red green blue ] [-c red green blue] [-i n | -r minx miny maxx maxy | -x tx ty | -y dy] [-t tx ty] [file]\n");
 	exits("usage");
 }
 
--- /sys/man/1/crop	Tue Dec 13 23:34:15 2005
+++ /sys/man/1/crop	Tue Dec 13 23:34:11 2005
@@ -4,6 +4,12 @@
 .SH SYNOPSIS
 .B crop
 [
+.B -b
+.I red
+.I green
+.I blue
+]
+[
 .BI -c
 .I red
 .I green
@@ -13,28 +19,22 @@
 .B -i
 .I n
 |
-.B -x
-.I dx
-|
-.B -y
-.I dy
-|
 .B -r
 .I minx
 .I miny
 .I maxx
 .I maxy
+|
+.B -x
+.I dx
+|
+.B -y
+.I dy
 ]
 [
 .B -t
 .I tx
 .I ty
-]
-[
-.B -b
-.I red
-.I green
-.I blue
 ]
 [
 .I file
--- /sys/src/cmd/diff/main.c	Tue Dec 13 23:34:39 2005
+++ /sys/src/cmd/diff/main.c	Tue Dec 13 23:34:34 2005
@@ -11,7 +11,7 @@
 static char *tmp[] = {"/tmp/diff1XXXXXXXXXXX", "/tmp/diff2XXXXXXXXXXX"};
 static int whichtmp;
 static char *progname;
-static char usage[] = "diff [ -acefmnbwr ] file1 ... file2\n";
+static char usage[] = "diff [ -abcefmnrw ] file1 ... file2\n";
 
 static void
 rmtmpfiles(void)
--- /sys/man/1/diff	Tue Dec 13 23:35:07 2005
+++ /sys/man/1/diff	Tue Dec 13 23:35:03 2005
@@ -4,7 +4,7 @@
 .SH SYNOPSIS
 .B diff
 [
-.B -acefmnbwr
+.B -abcefmnrw
 ] file1 ... file2
 .SH DESCRIPTION
 .I Diff
--- /sys/src/cmd/aux/msexceltables.c	Tue Dec 13 23:35:40 2005
+++ /sys/src/cmd/aux/msexceltables.c	Tue Dec 13 23:35:35 2005
@@ -703,7 +703,7 @@
 void
 usage(void)
 {
-	fprint(2, "usage: %s [-nta] [-d delim] file.xls\n", argv0);
+	fprint(2, "usage: %s [-aDnt] [-d delim] file.xls\n", argv0);
 	exits("usage");
 }
 
--- /sys/man/1/doc2txt	Tue Dec 13 23:36:15 2005
+++ /sys/man/1/doc2txt	Tue Dec 13 23:36:11 2005
@@ -24,15 +24,13 @@
 .br
 .B aux/msexceltable
 [
-.B -n
-] [
-.B -t
-] [
-.B -a
-] [
-.BI -d delim
+.B -aDnt
 ]
-.I /mnt/doc/Workbook
+[
+.B -d
+.I delim
+]
+.I file.xls
 .SH DESCRIPTION
 .I Doc2txt
 is a shell script that uses 
@@ -70,6 +68,9 @@
 .TP
 -d \fIdelim\fR
 Sets the interfield delimiter to the string \fIdelim\fR, by default a single space.
+.TP
+-D
+Enables debugging output.
 .SH SOURCE
 .B /sys/src/cmd/aux/mswordstrings.c
 .br
--- /sys/src/cmd/du.c	Tue Dec 13 23:36:55 2005
+++ /sys/src/cmd/du.c	Tue Dec 13 23:36:51 2005
@@ -7,6 +7,7 @@
 extern	void	err(char*);
 extern	int	warn(char*);
 extern	int	seen(Dir*);
+extern	void	usage(void);
 
 int	aflag;
 int	fflag;
@@ -61,6 +62,8 @@
 				blocksize *= 1024;
 		}
 		break;
+	default:
+		usage();
 	} ARGEND
 	if(argc==0)
 		print(fmt, du(".", dirstat(".")), ".");
@@ -68,6 +71,13 @@
 		for(i=0; i<argc; i++)
 			print(fmt, du(argv[i], dirstat(argv[i])), argv[i]);
 	exits(0);
+}
+
+void
+usage(void)
+{
+	print("usage: du [ -afnqstu ] [ -b size ] [ file ... ]\n");
+	exits("usage");
 }
 
 vlong
--- /sys/man/1/du	Tue Dec 13 23:37:38 2005
+++ /sys/man/1/du	Tue Dec 13 23:37:34 2005
@@ -4,28 +4,11 @@
 .SH SYNOPSIS
 .B du
 [
-.B -a
+.B -afnqstu
 ]
 [
-.B -f
-]
-[
-.B -n
-]
-[
-.B -q
-]
-[
-.B -s
-]
-[
-.B -t
-]
-[
-.B -u
-]
-[
-.BI -b size
+.B -b
+.I size
 ]
 [
 .I file ...
--- /sys/man/1/eqn	Tue Dec 13 23:38:25 2005
+++ /sys/man/1/eqn	Tue Dec 13 23:38:21 2005
@@ -30,7 +30,8 @@
 .I Eqn
 prepares output for the typesetter 
 named in the
-.BI -T dest
+.B -T
+.I dest
 option (default
 .BR -Tutf ;
 see
@@ -59,7 +60,8 @@
 and
 .I y
 with the option
-.BI -d xy
+.B -d 
+.I xy
 or (more commonly) with
 .B delim
 .I xy
@@ -212,7 +214,9 @@
 .B size 
 .IR n ,
 .B size
-.BI ± n \f1,
+.B ±
+.I n
+.
 .BR fat ,
 .BR roman ,
 .BR italic ,
@@ -227,14 +231,19 @@
 .B gfont
 .IR n ,
 or by the command-line arguments
-.BI -s n
+.B -s
+.I n
 and
-.BI -f n\f1.
+.B -f
+.I n
+.
 .PP
 Normally subscripts and superscripts are reduced by
 3 point sizes from the previous size;
 this may be changed by the command-line argument
-.BI -p n\f1.
+.B -p
+.I n
+.
 .PP
 Successive display arguments can be lined up.
 Place
--- /sys/src/cmd/dial/expect.c	Tue Dec 13 23:39:17 2005
+++ /sys/src/cmd/dial/expect.c	Tue Dec 13 23:39:13 2005
@@ -4,7 +4,7 @@
 void
 usage(void)
 {
-	fprint(2, "usage: %s [-t secs] [-iq] good-string [bad-strings]\n", argv0);
+	fprint(2, "usage: %s [-iq] [-t secs] goodstring [badstring]\n", argv0);
 	exits("usage");
 }
 
--- /sys/man/1/expect	Tue Dec 13 23:40:15 2005
+++ /sys/man/1/expect	Tue Dec 13 23:40:10 2005
@@ -13,12 +13,10 @@
 .br
 .B dial/expect
 [
-.B -q
+.B -iq
 ] [
 .B -t
 .I seconds
-] [
-.B -i
 ]
 .I goodstring
 [