From c145a2703ccf773614d64c6c57fd2231d5deb91f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jos=C3=A9=20Valim?= <jose.valim@plataformatec.com.br>
Date: Sun, 21 Jul 2013 09:12:11 +0200
Subject: Update io:prompt() type

Functions that expect an io:prompt() also accept binaries and
iolists as arguments. Therefore its type has been updated to
reflect the same types accepted by other io functions.
---
 lib/stdlib/src/io.erl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/stdlib/src/io.erl b/lib/stdlib/src/io.erl
index 53728237ca..b11d41e2eb 100644
--- a/lib/stdlib/src/io.erl
+++ b/lib/stdlib/src/io.erl
@@ -40,7 +40,7 @@
 %%-------------------------------------------------------------------------
 
 -type device() :: atom() | pid().
--type prompt() :: atom() | string().
+-type prompt() :: atom() | unicode:chardata().
 
 %% ErrorDescription is whatever the I/O-server sends.
 -type server_no_data() :: {'error', ErrorDescription :: term()} | 'eof'.
-- 
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