From c495b5d9cf8bed4f07c0b77a1f9e98dcc1f62068 Mon Sep 17 00:00:00 2001
From: Peter Powell <petpow@saberuk.com>
Date: Thu, 6 Sep 2018 10:09:09 +0100
Subject: Implement support for IRCv3 client-to-client tags.

---
 src/modules/m_spanningtree/compat.cpp | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'src/modules/m_spanningtree')

diff --git a/src/modules/m_spanningtree/compat.cpp b/src/modules/m_spanningtree/compat.cpp
index 17bc7cbc6..17b44f896 100644
--- a/src/modules/m_spanningtree/compat.cpp
+++ b/src/modules/m_spanningtree/compat.cpp
@@ -309,6 +309,11 @@ void TreeSocket::WriteLine(const std::string& original_line)
 					push.append(line, 26, std::string::npos);
 					push.swap(line);
 				}
+				else if (command == "TAGMSG")
+				{
+					// Drop IRCv3 tag messages as v2 has no message tag support.
+					return;
+				}
 			}
 			WriteLineNoCompat(line);
 			return;
-- 
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