noip.1: Clarify ACL list syntax.

The ACLish keywords add lists rather than individual entries.  The
`impbind' keyword had no explanation of how entries were separated.  Fix
this garbled mess.

diff --git a/noip.1 b/noip.1
index 6600b9d..f4598da 100644 (file)
--- a/noip.1
+++ b/noip.1
@@ -123,9 +123,10 @@ variable
 can also be used to control which ports are assigned automatically.
 .TP
 .BI "realbind " acl-entry
-Add an entry to the
+Add a comma-separated list of entries to the
 .B realbind
-access control list (ACL).  When a program attempts to
+access control list (ACL).  (See below for the format of an ACL entry.)
+When a program attempts to
 .BR bind (2)
 a socket to an address, the
 .B realbind
@@ -148,9 +149,10 @@ are also put at the end (before the
 rules), though this may change later.
 .TP
 .BI "realconnect " acl-entry
-Add an entry to the
+Add a comma-separated list of entries to the
 .B realconnect
-access control list (ACL).  When a program attempts to
+access control list (ACL).  (See below for the format of an ACL entry.)
+When a program attempts to
 .BR connect (2)
 a socket to an address, or to contact another socket using
 .BR sendto (2)
@@ -185,9 +187,12 @@ can be introduced into the directory by other programs simulating remote
 servers.)
 .TP
 .BI "impbind " bind-rule
-Add an entry to the implicit-bind rule list.  When a program attempts to
-.BR connect (2)
-a socket without binding its local address first,
+Add a comma-separated list of entries to the implicit-bind rule list.
+When a program attempts to transmit from a socket \(en e.g., with
+.BR connect (2),
+.BR sendto (2), or
+.BR sendmsg (2)
+\(en without binding its local address first,
 .B noip
 consults this list to decide on the correct local address to assign.
 Each entry in the list has the form