New year, new work. I left gs(1) alone, as it is an import.

Notes:
Wed Jan 4 07:37:23 EST 2006 rsc
    Thanks.  One fix: your history patch printed usage to stdout.
    


Reference: /n/sources/patch/applied/man1-sync4
Date: Tue Jan  3 16:04:12 CET 2006
Reviewed-by: rsc

--- /sys/man/1/freq	Tue Jan  3 15:59:31 2006
+++ /sys/man/1/freq	Tue Jan  3 15:59:27 2006
@@ -4,7 +4,7 @@
 .SH SYNOPSIS
 .B freq
 [
-.B -dxocr
+.B -cdorx
 ]
 [
 .I file ...
--- /sys/src/cmd/freq.c	Tue Jan  3 15:59:49 2006
+++ /sys/src/cmd/freq.c	Tue Jan  3 15:59:45 2006
@@ -5,6 +5,7 @@
 long	count[1<<16];
 Biobuf	bout;
 
+void	usage(void);
 void	freq(int, char*);
 long	flag;
 enum
@@ -24,9 +25,6 @@
 	flag = 0;
 	Binit(&bout, 1, OWRITE);
 	ARGBEGIN{
-	default:
-		fprint(2, "freq: unknown option %c\n", ARGC());
-		exits("usage");
 	case 'd':
 		flag |= Fdec;
 		break;
@@ -42,6 +40,8 @@
 	case 'r':
 		flag |= Frune;
 		break;
+	default:
+		usage();
 	}ARGEND
 	if((flag&(Fdec|Fhex|Foct|Fchar)) == 0)
 		flag |= Fdec | Fhex | Foct | Fchar;
@@ -59,6 +59,13 @@
 		close(f);
 	}
 	exits(0);
+}
+
+void
+usage(void)
+{
+	fprint(2, "usage: freq [-cdorx] [file ...]\n");
+	exits("usage");
 }
 
 void
--- /sys/man/1/grep	Tue Jan  3 16:00:12 2006
+++ /sys/man/1/grep	Tue Jan  3 16:00:08 2006
@@ -4,9 +4,15 @@
 .SH SYNOPSIS
 .B grep
 [
-.I option ...
+.B -bchiLlnsv
 ]
+[
+.B -e
 .I pattern
+[
+.B -f
+.I patternfile
+]
 [
 .I file ...
 ]
--- /sys/src/cmd/grep/main.c	Tue Jan  3 16:00:38 2006
+++ /sys/src/cmd/grep/main.c	Tue Jan  3 16:00:34 2006
@@ -1,11 +1,11 @@
 #define	EXTERN
 #include	"grep.h"
 
-char *validflags = "1bchiLlnsv";
+char *validflags = "bchiLlnsv";
 void
 usage(void)
 {
-	fprint(2, "usage: grep [-%s] [-f file] [-e expr] [file ...]\n", validflags);
+	fprint(2, "usage: grep [-%s] [-e pattern] [-f patternfile] [file ...]\n", validflags);
 	exits("usage");
 }
 
--- /sys/man/1/gview	Tue Jan  3 16:01:09 2006
+++ /sys/man/1/gview	Tue Jan  3 16:01:05 2006
@@ -4,14 +4,11 @@
 .SH SYNOPSIS
 .B gview
 [
-.B -l
-.I logfile
-]
-[
-.B -m
+.B -mp
 ]
 [
-.B -p
+.B -l
+.I logfile
 ]
 [
 .I files
--- /sys/src/cmd/gview.c	Tue Jan  3 16:01:58 2006
+++ /sys/src/cmd/gview.c	Tue Jan  3 16:01:45 2006
@@ -1960,7 +1960,7 @@
 	int i;
 	fprintf(stderr,"Usage %s [options] [infile]\n", argv0);
 	fprintf(stderr,
-"option ::= -l logfile | -m\n"
+"option ::= -l logfile | -m | -p\n"
 "\n"
 "Read a polygonal line graph in an ASCII format (one x y pair per line, delimited\n"
 "by spaces with a label after each polyline), and view it interactively.  Use\n"
@@ -1968,6 +1968,7 @@
 "Option -l specifies a file in which to log the coordinates of each point selected.\n"
 "(Clicking a point with button one selects it and displays its coordinates and\n"
 "the label of its polylone.)  Option -m allows polylines to be moved and rotated.\n"
+"The -p option plots only the vertices of the polygons.\n"
 "The polyline labels can use the following color names:"
 	);
 	for (i=0; clrtab[i].c!=DNofill; i++)
@@ -1981,15 +1982,18 @@
 	int e;
 
 	ARGBEGIN {
-	case 'm': cantmv=0;
+	case 'm':
+		cantmv=0;
 		break;
-	case 'l': logfil = fopen(ARGF(),"w");
+	case 'l':
+		logfil = fopen(ARGF(),"w");
 		break;
 	case 'p':
 		plotdots++;
 		break;
-	default: usage();
-	} ARGEND
+	default:
+		usage();
+	} ARGEND;
 
 	if(initdraw(0, 0, "gview") < 0)
 		exits("initdraw");
--- /sys/man/1/hoc	Tue Jan  3 16:02:40 2006
+++ /sys/man/1/hoc	Tue Jan  3 16:02:36 2006
@@ -4,11 +4,11 @@
 .SH SYNOPSIS
 .B hoc
 [
-.I file ...
-]
-[
 .B -e
 .I expression
+]
+[
+.I file ...
 ]
 .SH DESCRIPTION
 .I Hoc
--- /sys/src/cmd/history.c	Tue Jan  3 16:03:26 2006
+++ /sys/src/cmd/history.c	Tue Jan  3 16:03:21 2006
@@ -12,6 +12,7 @@
 int	diffb;
 char*	sflag;
 
+void	usage(void);
 void	ysearch(char*, char*);
 long	starttime(char*);
 void	lastbefore(ulong, char*, char*, char*);
@@ -26,7 +27,7 @@
 	ndump = nil;
 	ARGBEGIN {
 	default:
-		goto usage;
+		usage();
 	case 'v':
 		verb = 1;
 		break;
@@ -50,15 +51,19 @@
 		break;
 	} ARGEND
 
-	if(argc == 0) {
-	usage:
-		fprint(2, "usage: history [-bDfuv] [-d 9fsname] [-s yyyymmdd] files\n");
-		exits(0);
-	}
+	if(argc == 0)
+		usage();
 
 	for(i=0; i<argc; i++)
 		ysearch(argv[i], ndump);
 	exits(0);
+}
+
+void
+usage(void)
+{
+	print("usage: history [-bDfuv] [-d dumpfilesystem] [-s yyyymmdd] files\n");
+	exits("usage");
 }
 
 void