collected man(1) nits

Reference: /n/atom/patch/applied/mannits20140324
Date: Tue Mar 25 04:37:19 CET 2014
Signed-off-by: quanstro@quanstro.net

--- /sys/man/1/secstore	Tue Mar 25 04:36:32 2014
+++ /sys/man/1/secstore	Tue Mar 25 04:36:33 2014
@@ -95,7 +95,7 @@
 .PP
 Option
 .B -u
-access the secure-store files belonging to
+accesses the secure-store files belonging to
 .IR user .
 .PP
 Option
--- /sys/man/1/pcc	Tue Mar 25 04:36:34 2014
+++ /sys/man/1/pcc	Tue Mar 25 04:36:35 2014
@@ -130,6 +130,14 @@
 Print an assembly language version of the object code
 on standard output.
 .TP
+.B -T
+Pass type signatures on all external and global entities.
+The signature is based on the C
+.B signof
+operator.
+See
+.IR dynld (2).
+.TP
 .B -a
 Instead of compiling, print on standard output acid functions (see
 .IR acid (1))
--- /sys/man/1/join	Tue Mar 25 04:36:36 2014
+++ /sys/man/1/join	Tue Mar 25 04:36:37 2014
@@ -24,7 +24,7 @@
 and
 .I file2
 must be sorted in increasing
-.SM ASCII 
+.SM UTF
 collating
 sequence on the fields
 on which they are to be joined,
@@ -48,6 +48,8 @@
 leading separators are discarded.
 .PP
 The following options are recognized, with POSIX syntax.
+.TF "\fL-j\fIn m\fR  "
+.PD
 .TP
 .BI -a " n
 In addition to the normal output,
@@ -80,7 +82,7 @@
 .TP
 .BI -j "n m"
 Archaic equivalent for
-.BI - n " m"\f1.
+.BI - "n m\f1."
 .TP
 .BI -o fields
 Each output line comprises the designated fields.
@@ -94,7 +96,6 @@
 .I m
 is a field number.
 Archaic usage allows separate arguments for field designators.
-.PP
 .TP
 .BI -t c
 Use character
@@ -111,7 +112,7 @@
 .B /adm/users
 file, leaving unknown
 birthdays empty.
-The layout of 
+The layout of
 .B /adm/users
 is given in
 .IR users (6);
@@ -120,18 +121,18 @@
 .LR "ken:Feb\ 4,\ 1953" .
 .TP
 .L
-tr : ' ' </adm/users | sort -k 3 3 >temp
+awk -F: '$3 != ""' /adm/users | tr : ' ' | sort -k 3,3 >temp
 .br
 .ns
 .TP
 .L
 join -1 3 -2 3 -o 1.1,2.1 temp temp | awk '$1 < $2'
-Print all pairs of users with identical userids.
+Print all pairs of users with identical non-empty userids.
 .SH SOURCE
 .B /sys/src/cmd/join.c
 .SH "SEE ALSO"
-.IR sort (1), 
-.IR comm (1), 
+.IR sort (1),
+.IR comm (1),
 .IR awk (1)
 .SH BUGS
 With default field separation,
--- /sys/man/1/doc2txt	Tue Mar 25 04:36:38 2014
+++ /sys/man/1/doc2txt	Tue Mar 25 04:36:39 2014
@@ -137,11 +137,11 @@
 .TF "\fL/sys/src/cmd/aux   "
 .TP
 .B /rc/bin
-.IR doc2txt ,
-.IR doc2ps ,
-.IR wdoc2txt,
+.BR doc2txt ,
+.BR doc2ps ,
+.BR wdoc2txt ,
 and
-.IR xls2txt
+.BR xls2txt
 .TP
 .B /sys/src/cmd/aux
 the others
--- /sys/man/1/dd	Tue Mar 25 04:36:40 2014
+++ /sys/man/1/dd	Tue Mar 25 04:36:41 2014
@@ -16,7 +16,9 @@
 The input and output block size may be
 specified to take advantage of raw physical I/O.
 The options are
-.TP \w'\fLoseek\ \ \fIn'u
+.TF "quietb\ \ \fIn
+.PD 0.2v
+.TP
 .BI -if\  f
 Open file
 .I f
--- /sys/man/1/acid	Tue Mar 25 04:36:43 2014
+++ /sys/man/1/acid	Tue Mar 25 04:36:44 2014
@@ -60,7 +60,7 @@
 .BI -m " machine
 Assume instructions are for the given CPU type
 (one of
-.BR alpha ,
+.BR amd64 ,
 .BR 386 ,
 etc., as listed in
 .IR 8c (1),
--- /sys/man/1/cb	Tue Mar 25 04:36:45 2014
+++ /sys/man/1/cb	Tue Mar 25 04:36:46 2014
@@ -32,7 +32,7 @@
 Print code in the so-called K&R style used in
 .IR "The C Programming Language" .
 .TP 
-.B -l length
+.BI -l length
 Split lines that are longer than
 .IR length .
 .PD
--- /sys/man/1/db	Tue Mar 25 04:36:48 2014
+++ /sys/man/1/db	Tue Mar 25 04:36:49 2014
@@ -99,7 +99,7 @@
 .BI -m machine
 Assume instructions are for the given CPU type
 (any standard architecture name, such as
-.B alpha
+.B amd64
 or
 .BR 386 ,
 plus