From aad5f5601d7a837fa5460ebd66481a5d9e036b8c Mon Sep 17 00:00:00 2001
From: Jacob Nevins <jacobn@chiark.greenend.org.uk>
Date: Sat, 8 Nov 2014 23:37:59 +0000
Subject: [PATCH] Document IPv6 literal syntax for tunnels.

---
 doc/config.but | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/doc/config.but b/doc/config.but
index 360b502b..e83bf2f5 100644
--- a/doc/config.but
+++ b/doc/config.but
@@ -3029,7 +3029,9 @@ needed with \q{Dynamic}), enter a hostname and port number separated
 by a colon, in the \q{Destination} box. Connections received on the
 source port will be directed to this destination. For example, to
 connect to a POP-3 server, you might enter
-\c{popserver.example.com:110}.
+\c{popserver.example.com:110}. (If you need to enter a literal
+\i{IPv6 address}, enclose it in square brackets, for instance
+\cq{[::1]:2200}.)
 
 \b Click the \q{Add} button. Your forwarding details should appear
 in the list box.