From b6b49ca7e4a871772998f1c1b2e6734f3e22e03f Mon Sep 17 00:00:00 2001
From: Paul Beckingham <paul@beckingham.net>
Date: Sun, 3 May 2015 10:54:52 -0400
Subject: [PATCH] Docs: Added comment to prevent changes

---
 src/commands/CmdSync.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/commands/CmdSync.cpp b/src/commands/CmdSync.cpp
index ae49222dc..f69710451 100644
--- a/src/commands/CmdSync.cpp
+++ b/src/commands/CmdSync.cpp
@@ -339,6 +339,8 @@ bool CmdSync::send (
   const Msg& request,
   Msg& response)
 {
+  // It is important that the ':' be the *last* colon, in order to support
+  // IPv6 addresses.
   std::string::size_type colon = to.rfind (':');
   if (colon == std::string::npos)
     throw format (STRING_CMD_SYNC_BAD_SERVER, to);