3 files changed, 9 insertions, 3 deletions
diff --git a/lib/stdlib/doc/src/pg.xml b/lib/stdlib/doc/src/pg.xml
index 7cc1b805b4..a3b69884b6 100644
--- a/lib/stdlib/doc/src/pg.xml
+++ b/lib/stdlib/doc/src/pg.xml
@@ -5,7 +5,7 @@
   <header>
     <copyright>
       <year>1996</year>
-      <year>2013</year>
+      <year>2014</year>
       <holder>Ericsson AB, All Rights Reserved</holder>
     </copyright>
     <legalnotice>
@@ -32,6 +32,9 @@
   <module>pg</module>
   <modulesummary>Distributed, Named Process Groups</modulesummary>
   <description>
+    <warning>
+      <p>This module is deprecated and will be removed in Erlang/OTP 18.</p>
+    </warning>
     <p>This (experimental) module implements process groups. A process
       group is a group of processes that can be accessed by a common
       name. For example, a group named <c>foobar</c> can include a set
diff --git a/lib/stdlib/src/otp_internal.erl b/lib/stdlib/src/otp_internal.erl
index 971a2e2baa..356eb7ade9 100644
--- a/lib/stdlib/src/otp_internal.erl
+++ b/lib/stdlib/src/otp_internal.erl
@@ -1,7 +1,7 @@
 %%
 %% %CopyrightBegin%
 %%
-%% Copyright Ericsson AB 1999-2013. All Rights Reserved.
+%% Copyright Ericsson AB 1999-2014. All Rights Reserved.
 %%
 %% The contents of this file are subject to the Erlang Public License,
 %% Version 1.1, (the "License"); you may not use this file except in
@@ -577,6 +577,8 @@ obsolete_1(asn1rt, utf8_binary_to_list, 1) ->
     {deprecated,{unicode,characters_to_list,1}};
 obsolete_1(asn1rt, utf8_list_to_binary, 1) ->
     {deprecated,{unicode,characters_to_binary,1}};
+obsolete_1(pg, _, _) ->
+    {deprecated,"deprecated; will be removed in OTP 18"};
 
 obsolete_1(_, _, _) ->
     no.
diff --git a/lib/stdlib/src/pg.erl b/lib/stdlib/src/pg.erl
index ee177e4e0b..a41fd329c2 100644
--- a/lib/stdlib/src/pg.erl
+++ b/lib/stdlib/src/pg.erl
@@ -1,7 +1,7 @@
 %%
 %% %CopyrightBegin%
 %% 
-%% Copyright Ericsson AB 1996-2011. All Rights Reserved.
+%% Copyright Ericsson AB 1996-2014. All Rights Reserved.
 %% 
 %% The contents of this file are subject to the Erlang Public License,
 %% Version 1.1, (the "License"); you may not use this file except in
@@ -17,6 +17,7 @@
 %% %CopyrightEnd%
 %%
 -module(pg).
+-deprecated(module).
 
 %% pg provides a process group facility. Messages 
 %% can be multicasted to all members in the group