Add .Xr's to the commands implementing the various digests. ok millert@

src/lib/libc/hash/mdX.3

@@ -6,7 +6,7 @@
 .\" this stuff is worth it, you can buy me a beer in return.   Poul-Henning Kamp
 .\" ----------------------------------------------------------------------------
 .\"
-.\" 	$OpenBSD: mdX.3,v 1.5 2004/05/03 18:10:07 millert Exp $
+.\" 	$OpenBSD: mdX.3,v 1.6 2004/05/16 18:29:09 otto Exp $
 .\"
 .Dd April 29, 2004
 .Dt MDX 3
@@ -152,6 +152,8 @@ If the
 argument is non-null it must point to at least MDX_DIGEST_STRING_LENGTH
 characters of buffer space.
 .Sh SEE ALSO
+.Xr cksum 1 ,
+.Xr md5 1 ,
 .Xr mdY 3 ,
 .Xr rmd160 3 ,
 .Xr sha1 3 ,

src/lib/libc/hash/rmd160.3

@@ -1,4 +1,4 @@
-.\"	$OpenBSD: rmd160.3,v 1.24 2004/05/03 17:30:14 millert Exp $
+.\"	$OpenBSD: rmd160.3,v 1.25 2004/05/16 18:29:09 otto Exp $
 .\"
 .\" Copyright (c) 1997, 2004 Todd C. Miller <Todd.Miller@courtesan.com>
 .\"
@@ -198,6 +198,7 @@ char *buf = "abc";
 printf("0x%s\en", RMD160Data(buf, strlen(buf), output));
 .Ed
 .Sh SEE ALSO
+.Xr cksum 1 ,
 .Xr rmd160 1 ,
 .Xr md4 3 ,
 .Xr md5 3 ,

src/lib/libc/hash/sha1.3

@@ -1,4 +1,4 @@
-.\"	$OpenBSD: sha1.3,v 1.32 2004/05/05 17:09:46 millert Exp $
+.\"	$OpenBSD: sha1.3,v 1.33 2004/05/16 18:29:09 otto Exp $
 .\"
 .\" Copyright (c) 1997, 2004 Todd C. Miller <Todd.Miller@courtesan.com>
 .\"
@@ -195,6 +195,7 @@ char *buf = "abc";
 printf("0x%s\en", SHA1Data(buf, strlen(buf), output));
 .Ed
 .Sh SEE ALSO
+.Xr cksum 1 ,
 .Xr sha1 1 ,
 .Xr md4 3 ,
 .Xr md5 3 ,

src/lib/libc/hash/sha2.3

@@ -1,4 +1,4 @@
-.\"	$OpenBSD: sha2.3,v 1.9 2004/05/05 17:39:47 millert Exp $
+.\"	$OpenBSD: sha2.3,v 1.10 2004/05/16 18:29:09 otto Exp $
 .\"
 .\" Copyright (c) 2003, 2004 Todd C. Miller <Todd.Miller@courtesan.com>
 .\"
@@ -246,6 +246,7 @@ char *buf = "abc";
 printf("0x%s\en", SHA256_Data(buf, strlen(buf), output));
 .Ed
 .Sh SEE ALSO
+.Xr cksum 1 ,
 .Xr md4 3 ,
 .Xr md5 3 ,
 .Xr rmd160 3 ,