Many small edits.
diff --git a/man/man7/INDEX b/man/man7/INDEX
index 7930266..f7c1bd2 100644
--- a/man/man7/INDEX
+++ b/man/man7/INDEX
@@ -9,7 +9,6 @@
plot plot.7
plumb plumb.7
regexp regexp.7
-regexp9 regexp9.7
thumbprint thumbprint.7
ASCII utf.7
UTF utf.7
diff --git a/man/man7/font.7 b/man/man7/font.7
index f651a58..4767ea1 100644
--- a/man/man7/font.7
+++ b/man/man7/font.7
@@ -76,9 +76,9 @@
means that fonts should have, as their zeroth character,
one with non-zero width.
.SH FILES
-.TF /lib/font/bit/*
+.TF \*9/font/*
.TP
-.B /lib/font/bit/*
+.B \*9/font/*
font directories
.SH "SEE ALSO"
.IR graphics (3),
diff --git a/man/man7/man.7 b/man/man7/man.7
index b7522fd..0e2b52b 100644
--- a/man/man7/man.7
+++ b/man/man7/man.7
@@ -108,7 +108,9 @@
.B \e*9
The root directory of the Plan 9 installation.
.SH FILES
-.B /sys/lib/tmac/tmac.an
+.B \*9/tmac/tmac.an
+.PP
+.B \*9/tmac/tmac.antimes
.SH SEE ALSO
.IR troff (1),
.IR man (1)
@@ -244,7 +246,7 @@
.B \&"
in font-alternation macros, such as
.LR .BI .
-.br
+.PP
There is no direct way to suppress column widows in 2-column
output; the column lengths may be adjusted by inserting
.L .sp
diff --git a/man/man7/ms.7 b/man/man7/ms.7
index b6c6788..83b9369 100644
--- a/man/man7/ms.7
+++ b/man/man7/ms.7
@@ -46,7 +46,7 @@
preprocessors
for equations, tables, pictures, and graphs is acceptable as input.
.SH FILES
-.B /sys/lib/tmac/tmac.s
+.B \*9/tmac/tmac.s
.SH "SEE ALSO"
.br
M. E. Lesk,
diff --git a/man/man7/plumb.7 b/man/man7/plumb.7
index 82c771b..fd30ee0 100644
--- a/man/man7/plumb.7
+++ b/man/man7/plumb.7
@@ -396,24 +396,24 @@
include basic
.EE
.SH FILES
-.TF /usr/$user/lib/plumbing
+.TF $HOME/lib/plumbing
.TP
-.B /usr/$user/lib/plumbing
+.B $HOME/lib/plumbing
default rules file.
.TP
-.B /mnt/plumb
-mount point for
+.B plumb
+service name for
.IR plumber (4).
.TP
-.B /sys/lib/plumb
+.B \*9/plumb
directory for
.B include
files.
.TP
-.B /sys/lib/plumb/fileaddr
+.B \*9/plumb/fileaddr
public macro definitions.
.TP
-.B /sys/lib/plumb/basic
+.B \*9/plumb/basic
basic rule set.
.SH "SEE ALSO"
.IR plumb (1),
diff --git a/man/man7/regexp.7 b/man/man7/regexp.7
index 75640b9..91e73ad 100644
--- a/man/man7/regexp.7
+++ b/man/man7/regexp.7
@@ -1,21 +1,4 @@
.TH REGEXP 7
-.de EX
-.nf
-.ft B
-..
-.de EE
-.fi
-.ft R
-..
-.de LR
-.if t .BR \\$1 \\$2
-.if n .RB ` \\$1 '\\$2
-..
-.de L
-.nh
-.if t .B \\$1
-.if n .RB ` \\$1 '
-..
.SH NAME
regexp \- Plan 9 regular expression notation
.SH DESCRIPTION
