From 69acde6d5415c770e22dafdfdf92608193151111 Mon Sep 17 00:00:00 2001
From: Hans Bolinder <hasse@erlang.org>
Date: Thu, 13 Mar 2014 10:00:21 +0100
Subject: Correct the contract of io:getopts()

---
 lib/stdlib/src/io.erl | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

(limited to 'lib/stdlib/src/io.erl')

diff --git a/lib/stdlib/src/io.erl b/lib/stdlib/src/io.erl
index b11d41e2eb..27e2a82b41 100644
--- a/lib/stdlib/src/io.erl
+++ b/lib/stdlib/src/io.erl
@@ -1,7 +1,7 @@
 %%
 %% %CopyrightBegin%
 %%
-%% Copyright Ericsson AB 1996-2013. 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
@@ -177,13 +177,15 @@ get_password(Io) ->
                     | {'expand_fun', expand_fun()}
                     | {'encoding', encoding()}.
 
--spec getopts() -> [opt_pair()].
+-spec getopts() -> [opt_pair()] | {'error', Reason} when
+      Reason :: term().
 
 getopts() ->
     getopts(default_input()).
 
--spec getopts(IoDevice) -> [opt_pair()] when
-      IoDevice :: device().
+-spec getopts(IoDevice) -> [opt_pair()] | {'error', Reason} when
+      IoDevice :: device(),
+      Reason :: term().
 
 getopts(Io) ->
     request(Io, getopts).
-- 
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