Use .Lk for HTTP hyperlinks, not .Pa.

Most of the patch from Arto Jonsson <ajonsson at kapsi dot fi>.
jmc@ agrees in principle that .Lk is the right macro to use.

While here, update a few broken links,
and add missing markup at a few places.

2 files changed, 6 insertions, 6 deletions

diff --git a/lib/libusbhid/usbhid.3 b/lib/libusbhid/usbhid.3
index 09d2ffb4a9c..99c377dd7df 100644
--- a/lib/libusbhid/usbhid.3
+++ b/lib/libusbhid/usbhid.3
@@ -1,4 +1,4 @@
-.\"	$OpenBSD: usbhid.3,v 1.13 2012/07/16 19:57:17 jasper Exp $
+.\"	$OpenBSD: usbhid.3,v 1.14 2012/08/12 17:01:35 schwarze Exp $
 .\"	$NetBSD: usbhid.3,v 1.5 2002/02/07 07:00:52 ross Exp $
 .\"
 .\" Copyright (c) 1999, 2001 Lennart Augustsson <augustss@netbsd.org>
@@ -25,7 +25,7 @@
 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 .\" SUCH DAMAGE.
 .\"
-.Dd $Mdocdate: July 16 2012 $
+.Dd $Mdocdate: August 12 2012 $
 .Dt USBHID 3
 .Os
 .Sh NAME
@@ -211,7 +211,7 @@ The default HID usage table.
 The
 .Tn USB
 specifications can be found at:
-.Pa http://www.usb.org/developers/docs/
+.Lk http://www.usb.org/developers/docs/
 .Pp
 .Xr uhid 4 ,
 .Xr usb 4
diff --git a/lib/libz/compress.3 b/lib/libz/compress.3
index e977f95ee80..96ff7fc18f6 100644
--- a/lib/libz/compress.3
+++ b/lib/libz/compress.3
@@ -1,4 +1,4 @@
-.\"	$OpenBSD: compress.3,v 1.10 2007/05/31 19:19:39 jmc Exp $
+.\"	$OpenBSD: compress.3,v 1.11 2012/08/12 17:01:35 schwarze Exp $
 .\"
 .\"  Copyright (C) 1995-2005 Jean-loup Gailly and Mark Adler
 .\"
@@ -23,7 +23,7 @@
 .\"
 .\" This page corresponds to zlib version 1.2.3
 .\"
-.Dd $Mdocdate: May 31 2007 $
+.Dd $Mdocdate: August 12 2012 $
 .Dt COMPRESS 3
 .Os
 .Sh NAME
@@ -2725,7 +2725,7 @@ DEFLATE Compressed Data Format Specification.
 GZIP File Format Specification.
 .El
 .Pp
-.Pa http://www.gzip.org/zlib/
+.Lk http://zlib.net/
 .Sh HISTORY
 This manual page is based on an HTML version of
 .Aq Pa zlib.h