Re: Configuring messages language on Windows

> On Sun, Sep 2, 2018 at 12:50 AM Noah Misch <noah(at)leadboat(dot)com> wrote:
>
> On Fri, Jan 26, 2018 at 04:54:08PM +0300, a(dot)parfenov(at)postgrespro(dot)ru wrote:
> > As it mentioned in pg_locale.c, the variable LC_MESSAGES is ignored in
> > Windows(pg_locale.c:162).
>
> That comment says "On Windows, setlocale(LC_MESSAGES) does not work". It says
> nothing about the LC_MESSAGES environment variable.
>
> > Additionally, this affects regress tests, since language
> > for messages generated by psql is also configured via LC_MESSAGES and
> > ignored on Windows installations and cause failure of tests on
> > non-English Windows installations.
>
> I vaguely recall having seen such a problem with an old version of GNU
> gettext. On Windows Server 2016, with binaries from
> https://get.enterprisedb.com/postgresql/postgresql-11.0-beta3-windows-x64-binaries.zip,
> in an account having its Windows display language set to "Español (España)", I
> get this behavior:
>
> $ for lang in '' it C; do LC_MESSAGES=$lang ./psql.exe --help; done | grep -e --output
> -o, --output=ARCHIVO enviar resultados de consultas a archivo (u |orden)
> -o, --output=NOME_FILE reindirizza i risultati al file specificato
> -o, --output=FILENAME send query results to file (or |pipe)
>
> If you run those commands without your patch, what do you see? What do you
> see with your patch? What does your environment have for each of the
> following characteristics?
>
> - Windows version
> - gettext version
> - user's Windows display language
> - user's locale ("Format" in "Region" control panel)
> - Windows ANSI code page
> ("Language for non-Unicode programs" in "Region" control panel)

Due to age and lack of answers to the reviewers feedback, I think it's right to
mark this patch as "Returned with feedback", unless someone is interested and
wants to take over it.