Assorted markup fixes and minor wordsmithing.

Approved by:	re

1 files changed, 28 insertions, 12 deletions

diff --git a/share/man/man4/unix.4 b/share/man/man4/unix.4
index c556185..8a27de2 100644
--- a/share/man/man4/unix.4
+++ b/share/man/man4/unix.4
@@ -94,10 +94,14 @@ can be calculated by the macro
 defined in
 .In sys/un.h .
 The
-.Ar sun_path
-field must be terminated by a NUL character to be used with
+.Va sun_path
+field must be terminated by a
+.Dv NUL
+character to be used with
 .Fn SUN_LEN ,
-but the terminating NUL is
+but the terminating
+.Dv NUL
+is
 .Em not
 part of the address.
 .Pp
@@ -195,7 +199,6 @@ or
 .Xr listen 2 )
 under different effective credentials.
 .Pp
-
 .Tn UNIX
 domain sockets support a number of socket options which can be set with
 .Xr setsockopt 2
@@ -207,13 +210,21 @@ This option may be enabled on a
 .Dv SOCK_DGRAM
 or a
 .Dv SOCK_STREAM
-socket.  This option provides a mechanism for the receiver to
+socket.
+This option provides a mechanism for the receiver to
 receive the credentials of the process as a
 .Xr recvmsg 2
-control message.  The msg_control field in the msghdr structure points
-to a buffer that contains a cmsghdr structure followed by a variable
-length sockcred structure, defined in
-.Pa \*[Lt]sys/socket.h\*[Gt]
+control message.
+The
+.Va msg_control
+field in the
+.Vt msghdr
+structure points to a buffer that contains a
+.Vt cmsghdr
+structure followed by a variable length
+.Vt sockcred
+structure, defined in
+.In sys/socket.h
 as follows:
 .Bd -literal
 struct sockcred {
@@ -228,22 +239,27 @@ struct sockcred {
 .Pp
 The
 .Fn SOCKCREDSIZE
-macro computes the size of the sockcred structure for a specified number
+macro computes the size of the
+.Vt sockcred
+structure for a specified number
 of groups.
-The cmsghdr fields have the following values:
+The
+.Vt cmsghdr
+fields have the following values:
 .Bd -literal
 cmsg_len = sizeof(struct cmsghdr) + SOCKCREDSIZE(ngroups)
 cmsg_level = SOL_SOCKET
 cmsg_type = SCM_CREDS
 .Ed
 .It Dv LOCAL_CONNWAIT
-Used with 
+Used with
 .Dv SOCK_STREAM
 sockets, this option causes the
 .Xr connect 2
 function to block until
 .Xr accept 2
 has been called on the listening socket.
+.El
 .Sh SEE ALSO
 .Xr socket 2 ,
 .Xr intro 4