Docs: note redefined macros for expansions

[exim.git] / src / util / proxy_protocol_client.pl

diff --git a/src/util/proxy_protocol_client.pl b/src/util/proxy_protocol_client.pl
index 67a171d5d179278a17dff62c513cc3606b04020f..8253fc4ac1bbde8435ae7288c81d540f91ca6512 100644 (file)
--- a/src/util/proxy_protocol_client.pl
+++ b/src/util/proxy_protocol_client.pl
@@ -3,6 +3,7 @@
 # Copyright (C) 2014 Todd Lyons
 # License GPLv2: GNU GPL version 2
 # <http://www.gnu.org/licenses/old-licenses/gpl-2.0.html>
+# SPDX-License-Identifier: GPL-2.0-or-later
 #
 # This script emulates a proxy which uses Proxy Protocol to communicate
 # to a backend server.  It should be run from an IP which is configured