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From: Thomas Munro <[email protected]>
To: [email protected]
To: [email protected]
Cc: Bryan Green <[email protected]>
Subject: Re: BUG #19539: psql 17.6 on Windows 11 prints random garbage characters in Russian localized output of \d
Date: Wed, 1 Jul 2026 14:36:05 +1200
Message-ID: <CA+hUKGL8ouZGAvGLb4uSxqVYxmS1tOjYOWgPo_P_pSmOhYeUpw@mail.gmail.com> (raw)
In-Reply-To: <[email protected]>
References: <[email protected]>

On Tue, Jun 30, 2026 at 3:12 AM PG Bug reporting form
<[email protected]> wrote:
> When running \d <table> in Russian localization, the output sometimes
> contains random garbage Unicode characters immediately after the localized
> header "По умолчанию".
>
> Example:
>
> Таблица "public.articles"
>  Столбец | Тип | Правило сортировки | Допустимость NULL | По умолчанию
> ⫐鄢ʧ
>
> The garbage characters change every execution.

Do any other languages show clues?  Could you please try Ukrainian,
Greek, Japanese?

#: describe.c:2070 describe.c:4572
msgid "Default"
msgstr "По умолчанию"

         headers[cols++] = gettext_noop("Default");

That is then fed through pg_wcsformat().  I wonder if that could be
confused about encodings and NUL terminators or something, but I don't
have a specific theory.  Could you please locate the relevant psql.mo
file and share it, so we can check it contains the expected byte
sequence?

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