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Re: Startup locale and environ_locale_charset

From: Mark H Weaver
Subject: Re: Startup locale and environ_locale_charset
Date: Sun, 28 Apr 2019 13:25:07 -0400
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/26.2 (gnu/linux)

Hi Mike,

Mike Gran <address@hidden> writes:

> Starting in the 2.2.x series, the Guile executable calls
> setlocale(LC_ALL,"") on startup except when the GUILE_INSTALL_LOCALE
> environment variable is set to '0'.
> This leads to a call to scm_shell that converts command line arguments
> to Guile strings using the current locale.  But in doing so, it calls
> a function environ_locale_charset() that presumes that setlocale
> hasn't been called.  This appears to be obsolete, and probably be
> replaced with just a call to gnulib's locale_charset().
> It is a bit of an issue because it would prevent a possible future
> update to gnulib, which no longer provides the get_charset_aliases()
> procedure on which environ_locale_charset() has depended.
> If there is no objection, I'd like to remove environ_locale_charset().

Sounds good to me, go ahead.  The comment above the only use of
'environ_locale_charset' also makes it clear that the plan was to remove
this hack before 2.2.

> But doing this would theoretically lead to a user-visible change.  If
> there were a user that had set the GUILE_INSTALL_LOCALE environment
> variable to zero, intentionally bringing up Guile in the "C" locale,
> but, still relied on Guile parsing non-ASCII command line arguments in
> the environment's LANG-specified locale, it might lead to a different
> behavior.

I'm not worried about it, but I appreciate your attention to detail!


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