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-rw-r--r--lib/stdlib/src/lib.erl2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/stdlib/src/lib.erl b/lib/stdlib/src/lib.erl
index c6eb0d7915..a7980cc294 100644
--- a/lib/stdlib/src/lib.erl
+++ b/lib/stdlib/src/lib.erl
@@ -646,7 +646,7 @@ pp_arguments(PF, As, I, Enc) ->
Ll = length(L),
A = list_to_atom(lists:duplicate(Ll, $a)),
S0 = unicode:characters_to_list(PF([A | T], I+1), Enc),
- brackets_to_parens([$[,L,string:sub_string(S0, 2+Ll)], Enc);
+ brackets_to_parens([$[,L,string:slice(S0, 1+Ll)], Enc);
_ ->
brackets_to_parens(PF(As, I+1), Enc)
end.