From d9020bb6fc08214cfba63a5e9683460ea13a82fe Mon Sep 17 00:00:00 2001
From: Mark Spencer <markster@digium.com>
Date: Wed, 2 Feb 2005 04:05:35 +0000
Subject: [PATCH] Warn about setting read only variables (bug #3309)

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@4951 65c4cc65-6c06-0410-ace0-fbb531ad65f3
---
 doc/README.variables | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/doc/README.variables b/doc/README.variables
index ced8f8e903..c02a94af4a 100755
--- a/doc/README.variables
+++ b/doc/README.variables
@@ -78,6 +78,9 @@ ${TXTCIDNAME}	Result of application TXTCIDName
 ${UNIQUEID}	Current call unique identifier
 ${PRIREDIRECTREASON} Reason for redirect, if a call was directed
 
+NOTE: Attempting to set any of these "special" variables will not change 
+their value, but will not display any warning either.
+
 The dial() application sets the following variables:
 
 ${DIALEDPEERNAME} Dialed peer name
-- 
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