Alvaro Herrera <> writes:
> Thomas Munro wrote:
>> src/backend/utils/mb/wchar.c contains a ~16 year old wcwidth
>> implementation that originally arrived in commit df4cba68, but the
>> upstream code[1] apparently continued evolving and there have been
>> more Unicode revisions since.

> I think we should update it to current upstream source, then, just like
> we (are supposed to) do for any other piece of code we adopt.

+1 ... also, is that upstream still the best reference?

                        regards, tom lane

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