Rewrite page(2) references to page(3).
Add description of new libmach.
diff --git a/man/man3/cachechars.3 b/man/man3/cachechars.3
index 8c18046..41bbfb2 100644
--- a/man/man3/cachechars.3
+++ b/man/man3/cachechars.3
@@ -181,7 +181,7 @@
and
.LR ascent
fields of Font are described in
-.IR graphics (2).
+.IR graphics (3).
.L Sub
contains
.L nsub
@@ -302,12 +302,12 @@
.SH SOURCE
.B /sys/src/libdraw
.SH SEE ALSO
-.IR graphics (2),
-.IR allocimage (2),
-.IR draw (2),
-.IR subfont (2),
+.IR graphics (3),
+.IR allocimage (3),
+.IR draw (3),
+.IR subfont (3),
.IR image (6),
.IR font (6)
.SH DIAGNOSTICS
All of the functions use the graphics error function (see
-.IR graphics (2)).
+.IR graphics (3)).
