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-rw-r--r--lib/parsetools/src/yecc.erl6
1 files changed, 3 insertions, 3 deletions
diff --git a/lib/parsetools/src/yecc.erl b/lib/parsetools/src/yecc.erl
index 48559ec402..36e33b52a4 100644
--- a/lib/parsetools/src/yecc.erl
+++ b/lib/parsetools/src/yecc.erl
@@ -2597,18 +2597,18 @@ format_symbol(Symbol) ->
String = concat([Symbol]),
case erl_scan:string(String) of
{ok, [{atom, _, _}], _} ->
- io_lib:fwrite(<<"~w">>, [Symbol]);
+ io_lib:fwrite(<<"~tw">>, [Symbol]);
{ok, [{Word, _}], _} when Word =/= ':', Word =/= '->' ->
case erl_scan:reserved_word(Word) of
true ->
String;
false ->
- io_lib:fwrite(<<"~w">>, [Symbol])
+ io_lib:fwrite(<<"~tw">>, [Symbol])
end;
{ok, [{var, _, _}], _} ->
String;
_ ->
- io_lib:fwrite(<<"~w">>, [Symbol])
+ io_lib:fwrite(<<"~tw">>, [Symbol])
end.
inverse(L) ->