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Date: Fri, 2 Mar 2018 23:45:44 +0000
From: Daniel Shahaf <d.s@daniel.shahaf.name>
To: zsh-users@zsh.org
Subject: command substitution word joining
Message-ID: <20180302234544.p6w3fw32xdgwcktm@tarpaulin.shahaf.local2>
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Consider:

% () { print -r - ${(q)@} } <(:)x
/proc/self/fd/11x

I can't see any use-case for appending the 'x' as part of the same word.