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-rw-r--r--lib/stdlib/src/gb_sets.erl7
1 files changed, 5 insertions, 2 deletions
diff --git a/lib/stdlib/src/gb_sets.erl b/lib/stdlib/src/gb_sets.erl
index 91d21d869c..ba35a7170a 100644
--- a/lib/stdlib/src/gb_sets.erl
+++ b/lib/stdlib/src/gb_sets.erl
@@ -1,7 +1,8 @@
+%% -*- coding: utf-8 -*-
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2001-2011. All Rights Reserved.
+%% Copyright Ericsson AB 2001-2012. 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
@@ -165,7 +166,7 @@
-export([new/0, is_element/2, add_element/2, del_element/2,
subtract/2]).
-%% GB-trees adapted from Sven-Olof Nystr�m's implementation for
+%% GB-trees adapted from Sven-Olof Nyström's implementation for
%% representation of sets.
%%
%% Data structures:
@@ -196,6 +197,8 @@
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% Some types.
+-export_type([iter/0]).
+
-type gb_set_node() :: 'nil' | {term(), _, _}.
-opaque iter() :: [gb_set_node()].