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From: Paul Eggert <eggert@twinsun.com>
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Subject: Re: init_buffer PWD fix
Date: Sun, 21 Apr 2002 23:18:38 -0700 (PDT)
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> From: Keiichiro Nagano (=?ISO-2022-JP?B?GyRCMUpMbjc9MGxPOhsoQg==?=) <knagano@sodan.org>
> Date: Mon, 22 Apr 2002 05:15:17 +0900
> 
> init_buffer uses environmental variable PWD to identify current
> working directory.  I think we should not use it on Windows.  On
> Windows with Cygwin, PWD is unreliable and confusing

PWD is unreliable on all platforms, but Emacs works around the problem
with a similar method on all platforms by statting $PWD and ".", and
using $PWD only if stat results agree.  What is the problem with
this workaround on Windows?