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From: Eli Zaretskii <eliz@gnu.org>
Newsgroups: gmane.emacs.devel
Subject: Re: Setting TZ in set_time_zone_rule
Date: Fri, 30 Nov 2012 11:08:47 +0200
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Cc: schwab@linux-m68k.org, fabrice.popineau@gmail.com, emacs-devel@gnu.org
To: Paul Eggert <eggert@cs.ucla.edu>
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> Date: Thu, 29 Nov 2012 13:39:24 -0800
> From: Paul Eggert <eggert@cs.ucla.edu>
> CC: fabrice.popineau@gmail.com, schwab@linux-m68k.org, 
>  emacs-devel@gnu.org
> 
> On 11/28/12 19:44, Eli Zaretskii wrote:
> > So would it be a problem to use 'setenv' in that function?
> 
> I think setenv could be used.  It'd be a tiny bit tricky, though,
> as I expect unsetenv would also need to be used, in some
> cases.

Is 'unsetenv's less wide-spread than 'setenv'?