From: Markus Armbruster <armbru@pond.sub.org>
Date: Sat, 15 Dec 2007 06:27:55 +0000 (+0000)
Subject: Comment cautioning about protocol version change.
X-Git-Tag: v4.3.11~22
X-Git-Url: http://git.pond.sub.org/?p=empserver;a=commitdiff_plain;h=63a88dbb1d5f67a0b9dba53172c18c83c8d9c6d5;ds=sidebyside

Comment cautioning about protocol version change.
---

diff --git a/include/proto.h b/include/proto.h
index a8900734d..5ca39a2c2 100644
--- a/include/proto.h
+++ b/include/proto.h
@@ -34,7 +34,14 @@
 #ifndef PROTO_H
 #define PROTO_H
 
-#define CLIENTPROTO	2	/* if new things are added, bump this */
+/*
+ * Protocol version.
+ * Bump this if the protocol changes in a way that is not backwards
+ * compatible.  This breaks all existing clients.  If you are tempted
+ * to do that, please consider using session options to make your
+ * change backwards compatible.
+ */
+#define CLIENTPROTO	2
 
 #define	C_CMDOK		0x0
 #define	C_DATA		0x1