- clean up man page.
- add -t flag to modify the h/b commands to be more useful for mail boxes
of sent messages.  example:

ladd; mail -tf Sent
5985 messages, 5864 unread
: b
  1    *    969   5/21 13:41 9fans@9fans.net                          Re: [9fans] syscall 53
  2    *   1835   5/21 12:25 9fans@9fans.net                          Re: [9fans] syscall 53

Reference: /n/atom/patch/applied/nedsentmail
Date: Wed May 21 20:27:49 CES 2014
Signed-off-by: quanstro@quanstro.net

--- /sys/src/cmd/upas/ned/nedmail.c	Wed May 21 20:25:33 2014
+++ /sys/src/cmd/upas/ned/nedmail.c	Wed May 21 20:25:33 2014
@@ -188,6 +188,8 @@
 int	doflush;
 int	interrupted;
 int	longestfrom = 12;
+int	longestto = 12;
+int	hcmdfmt;
 Qid	mbqid;
 int	mbvers;
 char	mbname[Pathlen];
@@ -361,6 +363,9 @@
 		natural = 1;
 		reverse = 0;
 		break;
+	case 't':
+		hcmdfmt = 1;
+		break;
 	default:
 		usage();
 		break;
@@ -734,11 +739,15 @@
 	/* renumber and file longest from */
 	i = 1;
 	longestfrom = 12;
+	longestto = 12;
 	for(m = first; m != nil; m = m->next){
 		m->id = natural ? m->fileno : i++;
 		n = strlen(m->from);
 		if(n > longestfrom)
 			longestfrom = n;
+		n = strlen(m->to);
+		if(n > longestto)
+			longestto = n;
 	}
 	return 0;
 }
@@ -963,10 +972,25 @@
 void
 pheader0(char *buf, int len, Message *m)
 {
-	char *p, *q, timebuf[32], h[5];
+	char *f, *p, *q, frombuf[40], timebuf[32], h[5];
+	int max;
 
 	hds(h, m);
-	if(*m->from == 0)
+	if(hcmdfmt == 0){
+		f = m->from;
+		max = longestfrom;
+	}else{
+		snprint(frombuf, sizeof frombuf-5, "%s", m->to);
+		p = strchr(frombuf, ' ');
+		if(p != nil)
+			snprint(p, 5, " ...");
+		f = frombuf;
+		max = longestto;
+		if(max > sizeof frombuf)
+			max = sizeof frombuf;
+	}
+
+	if(*f == 0)
 		snprint(buf, len, "%3D    %s %6d  %s",
 			m, m->type, m->len, m->filename);
 	else if(*m->subject){
@@ -977,14 +1001,12 @@
 			p[50] = 0;
 		cracktime(m->date, timebuf, sizeof timebuf);
 		snprint(buf, len, "%3D %s %6d  %11.11s %-*.*s %s",
-			m, h, m->len, timebuf,
-			longestfrom, longestfrom, m->from, p);
+			m, h, m->len, timebuf, max, max, f, p);
 		free(q);
 	} else {
 		cracktime(m->date, timebuf, sizeof timebuf);
 		snprint(buf, len, "%3D %s %6d  %11.11s %s",
-			m, h, m->len, timebuf,
-			m->from);
+			m, h, m->len, timebuf, f);
 	}
 }
 
--- /sys/man/1/nedmail	Wed May 21 20:25:33 2014
+++ /sys/man/1/nedmail	Wed May 21 20:25:33 2014
@@ -4,11 +4,11 @@
 .SH SYNOPSIS
 .B upas/nedmail
 [
-.B -nr
+.B -nrt
 ]
 [
 .B -f
-.I mailfile
+.I box
 ]
 [
 .B -s
@@ -28,20 +28,16 @@
 command line option specifies an alternate mailbox.
 Unrooted path names are interpreted relative to
 .BI /mail/box/ username.
-If the
-.I mailfile
-argument is omitted, the name defaults to
-.BR stored .
 .PP
 The options are:
 .TF "-f mailfile"
 .TP
 .BI -c " dir
-Create a mailbox.  If
+Create a mail box.  If
 .I dir
-is specified, the new mailbox is created in
+is specified, the new mail box is created in
 .BI /mail/box/ username / dir /mbox\f1.
-Otherwise, the default mailbox is created.
+Otherwise, the default mail box is created.
 .TP
 .B -r
 Reverse: show messages in first-in, first-out order; the default is last-in, first-out.
@@ -52,18 +48,26 @@
 .B -r
 option.
 .TP
-.BI -f " mailfile"
-Read messages from the specified file (see above) instead of the default mailbox.
+.BI -f " box"
+Read messages from
+.I box
+instead of the default.
 .TP
 .BI -s " mailfile"
 Read a single message file
 .IR mailfile ,
 as produced by
 .IR fs ,
-and treat it as an entire mailbox.
+and treat it as an entire mail box.
 This is provided for
 use in plumbing rules; see
 .IR faces (1).
+.TP
+.B -t
+modify the
+.B h
+command to include the recipient rather than the sender.
+This is useful for mail boxes containing sent messages.
 .PD
 .PP
 .I Nedmail