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From: Bart Schaefer <schaefer@brasslantern.com>
Message-Id: <150928150451.ZM15475@torch.brasslantern.com>
Date: Mon, 28 Sep 2015 15:04:51 -0700
In-Reply-To: <20150928181315.GB4921@tarsus.local2>
Comments: In reply to Daniel Shahaf <d.s@daniel.shahaf.name>
        "Re: bug with $PWD in /" (Sep 28,  6:13pm)
References: <20150916162630.GA6436@chaz.gmail.com> 
	<150919110800.ZM22888@torch.brasslantern.com> 
	<20150919192850.GB6421@chaz.gmail.com> 
	<150919134740.ZM23592@torch.brasslantern.com> 
	<20150928181315.GB4921@tarsus.local2>
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To: Zsh hackers list <zsh-workers@zsh.org>
Subject: Re: bug with $PWD in /
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On Sep 28,  6:13pm, Daniel Shahaf wrote:
} Subject: Re: bug with $PWD in /
}
} Looking at the sole caller of ispwd(), setupvals(), it sometimes
} initializes $PWD from getenv("HOME").  Is something like this needed,
} then?

What you're asking is: Are we required to accept PWD instead of HOME
when they both refer to the current directory but PWD gets there via
a symlink path?

I think the answer is "no" but I also don't think your patch did what
you intend.  We already ignore both $HOME and $PWD when EMULATE_ZSH
(and the current directory actually is the home directory).