intro(3)

[Masaru OKI <oki%NetBSD.org@localhost>]

here is patch to intro(3).

- now, usb(3) is exist.  link it.
- link to zlib(3)

comments?

Index: intro.3
===================================================================
RCS file: /cvsroot/src/share/man/man3/intro.3,v
retrieving revision 1.26
diff -u -r1.26 intro.3
--- intro.3     21 Apr 2012 12:27:28 -0000      1.26
+++ intro.3     2 Jul 2012 03:54:30 -0000
@@ -286,8 +286,8 @@
 .Xr terminfo 3 .
 .It Em libusb Pq Fl l Ns Ar usb
 The Universal Serial Bus (USB) access library.
-.\" See
-.\" .Xr usb 3 .
+See
+.Xr usb 3 .
 .It Em libutil Pq Fl l Ns Ar util
 The system utilities library.
 See
@@ -301,6 +301,8 @@
 .Xr yacc 1 .
 .It Em libz Pq Fl l Ns Ar z
 General-purpose compression library.
+See
+.Xr zlib 3 .
 .El
 .Sh SEE ALSO
 .Xr cc 1 ,