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To: Zsh hackers list <zsh-workers@zsh.org>
From: Martijn Dekker <martijn@inlv.org>
Subject: 'typeset -xp'/'export -p' shows unset exported variables as set &
 empty
Message-ID: <7c7d2198-bbec-0420-bd55-4f588a2767cf@inlv.org>
Date: Sat, 22 Oct 2016 17:29:35 +0200
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$ unset -v foo
$ export foo
$ typeset -xp foo
typeset -x foo=''

Expected output:
typeset -x foo

Thanks,

- M.