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Date: Tue, 24 Apr 2018 13:29:09 +0100
From: Peter Stephenson <p.stephenson@samsung.com>
To: Zsh hackers list <zsh-workers@zsh.org>
Subject: Re: [BUG] process substitution breaks when nested or traverses a
 function
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On Tue, 24 Apr 2018 13:09:27 +0200
Martijn Dekker <martijn@inlv.org> wrote:
> /proc/self (or /proc in general) is not available on some very much 
> current systems either, including at least macOS and OpenBSD.
> 
> /dev/fd is available on both of those, though.

We check in turn for /proc/self/fd and /dev/fd, so they're treated the
same.

pws