Fix markup.

bin/rcp/rcp.1

@@ -53,9 +53,15 @@ or
 .Ar directory
 argument is either a remote file name of the
 form
-.Dq rname@rhost:path ,
-or a local file name (containing no `:' characters,
-or a `/' before any `:'s).
+.Dq ruser@rhost:path ,
+or a local file name (containing no
+.Ql :\&
+characters,
+or a
+.Ql /
+before any
+.Ql :\& Ns
+s).
 .Pp
 The following options are available:
 .Bl -tag -width indent
@@ -68,7 +74,7 @@ Cause
 .Nm
 to attempt to preserve (duplicate) in its copies the modification
 times and modes of the source files, ignoring the
-.Ar umask .
+.Xr umask 2 .
 By default, the mode and owner of
 .Ar file2
 are preserved if it already existed; otherwise the mode of the source file
@@ -92,7 +98,11 @@ on
 or your current user name if no other remote user name is specified.
 A
 .Ar path
-on a remote host may be quoted (using \e, ", or \(aa)
+on a remote host may be quoted (using
+.Ql \e ,
+.Ql \&" ,
+or
+.Ql \(aa )
 so that the metacharacters are interpreted remotely.
 .Pp
 The
@@ -107,7 +117,7 @@ The
 utility handles third party copies, where neither source nor target files
 are on the current machine.
 .Sh FILES
-.Bl -tag -width /etc/auth.conf -compact
+.Bl -tag -width ".Pa /etc/auth.conf" -compact
 .It Pa /etc/auth.conf
 configure authentication services
 .El
@@ -133,14 +143,14 @@ Does not detect all cases where the target of a copy might
 be a file in cases where only a directory should be legal.
 .Pp
 Is confused by any output generated by commands in a
-.Pa \&.login ,
-.Pa \&.profile ,
+.Pa .login ,
+.Pa .profile ,
 or
-.Pa \&.cshrc
+.Pa .cshrc
 file on the remote host.
 .Pp
 The destination user and hostname may have to be specified as
-.Dq rhost.rname
+.Dq rhost.ruser
 when the destination machine is running the
 .Bx 4.2
 version of