From ae1c361f797a104a35aef967cc694b457217f488 Mon Sep 17 00:00:00 2001
From: Siri Hansen <siri@erlang.org>
Date: Thu, 3 Nov 2011 15:01:11 +0100
Subject: Add documentation for upgrade from pre R15 to post R15 sasl

---
 lib/sasl/doc/src/systools.xml | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'lib/sasl/doc/src')

diff --git a/lib/sasl/doc/src/systools.xml b/lib/sasl/doc/src/systools.xml
index 8c1c327d74..fa2fcbf534 100644
--- a/lib/sasl/doc/src/systools.xml
+++ b/lib/sasl/doc/src/systools.xml
@@ -111,6 +111,11 @@
           low-level instruction to restart the emulator is appended to
           the relup scripts. This ensures that a complete reboot of
           the system is done when the system is upgraded or downgraded.</p>
+	<p>If an upgrade includes a change from an emulator earlier
+	  than OTP R15 to OTP R15 or later, the warning
+	  <c>pre_R15_emulator_upgrade</c> is issued. See <seealso
+	  marker="doc/design_principles:appup_cookbook">Design
+	  Principles</seealso> for more information about this.</p>
         <p>By default, errors and warnings are printed to tty and
           the function returns <c>ok</c> or <c>error</c>. If the option
           <c>silent</c> is provided, the function instead returns
-- 
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