X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~mdw/git/tripe/blobdiff_plain/067aa5f013dd6108e81c1df0c2ed19491802bc69..4a3882945f605704ede113a9fe98cd19a92363a7:/peerdb/peers.in.5.in

diff --git a/peerdb/peers.in.5.in b/peerdb/peers.in.5.in
index ac27b49c..d638b078 100644
--- a/peerdb/peers.in.5.in
+++ b/peerdb/peers.in.5.in
@@ -83,14 +83,33 @@ is replaced by the value assigned to the given
 .IR key .
 .hP \*o
 An occurrence of
-.BI $[ host ]
+.BI $ flags [ host ]
 is replaced by the IP address of the named
 .IR host .
 Note that
 .I host
 may itself contain
 .BI $( key )
-substitutions.
+substitutions.  The
+.I flags
+consist of zero or more of the following characters:
+.RB ` 4 '
+looks up the
+.IR host 's
+IPv4 address(es);
+.RB ` 6 '
+looks up the
+.IR host 's
+IPv6 address(es);
+and
+.RB ` * '
+returns all of the found addresses, separated by spaces, rather than
+just the first one.  If neither address family is requested, then
+.RB ` 46 '
+is assumed.  IPv6 address lookup of names, rather than address literals,
+depends on the external
+.BR adnshost (1)
+program; if it is not present then only IPv4 lookups will be performed.
 .PP
 There is a simple concept of
 .I inheritance