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From: Bart Schaefer <schaefer@brasslantern.com>
Message-Id: <161029100354.ZM4950@torch.brasslantern.com>
Date: Sat, 29 Oct 2016 10:03:54 -0700
In-Reply-To: <1477750478.1339900.771127977.5B74E734@webmail.messagingengine.com>
Comments: In reply to Sebastian Gniazdowski <psprint@fastmail.com>
        "Weird error: opts[(r)-e]: parameter not set" (Oct 29,  7:14am)
References: <1477750478.1339900.771127977.5B74E734@webmail.messagingengine.com>
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To: zsh-users@zsh.org
Subject: Re: Weird error: opts[(r)-e]: parameter not set
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torch% () { setopt localoptions nounset; local -a foo; print $foo[3] }
(anon): foo[3]: parameter not set

The NO_UNSET option complains not just when the array itself is not
declared, but whenever there is a dereference of an array element
that does not exist.