From 00fa7a8def826d2a4c8fb9e2c38208103bf04341 Mon Sep 17 00:00:00 2001
From: Rickard Green <rickard@erlang.org>
Date: Sat, 23 Feb 2019 18:59:06 +0100
Subject: Document deprecations and removals

---
 lib/erl_interface/doc/src/ei_users_guide.xml | 12 ++++++++++++
 1 file changed, 12 insertions(+)

(limited to 'lib/erl_interface/doc/src/ei_users_guide.xml')

diff --git a/lib/erl_interface/doc/src/ei_users_guide.xml b/lib/erl_interface/doc/src/ei_users_guide.xml
index 2dfd99e35a..7ca10d1a99 100644
--- a/lib/erl_interface/doc/src/ei_users_guide.xml
+++ b/lib/erl_interface/doc/src/ei_users_guide.xml
@@ -33,6 +33,18 @@
     <file>ei_users_guide.xml</file>
   </header>
 
+  <section>
+    <title>Deprecation and Removal</title>
+    <note><p>The support for VxWorks is deprecated as of OTP 22, and
+    will be removed in OTP 23.</p></note>
+    <note><p>The old legacy <c>erl_interface</c> library (functions
+    with prefix <c>erl_</c>) is deprecated as of OTP 22, and will be
+    removed in OTP 23. This does not apply to the <c>ei</c>
+    library. Reasonably new <c>gcc</c> compilers will issue deprecation
+    warnings. In order to disable these warnings, define the macro
+    <c>EI_NO_DEPR_WARN</c>.</p></note>
+  </section>
+
   <section>
     <title>Introduction</title>
     <p>The <c>Erl_Interface</c> library contains functions that help you
-- 
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