From fb466f01a54c9936eee94745a26acd415cb15ae3 Mon Sep 17 00:00:00 2001
From: Hans Bolinder <hasse@erlang.org>
Date: Wed, 24 May 2017 17:07:25 +0200
Subject: stdlib: Handle Unicode atoms better in io_lib_format

The field width calculation did not handle graphem clusters well.
---
 lib/stdlib/src/io_lib_pretty.erl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

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

diff --git a/lib/stdlib/src/io_lib_pretty.erl b/lib/stdlib/src/io_lib_pretty.erl
index ff368d02da..505613b80e 100644
--- a/lib/stdlib/src/io_lib_pretty.erl
+++ b/lib/stdlib/src/io_lib_pretty.erl
@@ -473,7 +473,7 @@ print_length(<<_/bitstring>>=Bin, D, _RF, Enc, Str) ->
 print_length(Term, _D, _RF, _Enc, _Str) ->
     S = io_lib:write(Term),
     %% S can contain unicode, so iolist_size(S) cannot be used here
-    {S, lists:flatlength(S)}.
+    {S, string:length(S)}.
 
 print_length_map(_Map, 1, _RF, _Enc, _Str) ->
     {"#{...}", 6};
-- 
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