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From: Bart Schaefer <schaefer@brasslantern.com>
Message-id: <120703081025.ZM32419@torch.brasslantern.com>
Date: Tue, 03 Jul 2012 08:10:25 -0700
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 <1341310996.6679.140661097202637.0031FC7F@webmail.messagingengine.com>
Comments: In reply to Ronald Fischer <ynnor@mm.st>
 "Re: [MAYBE SOLVED] passing modified parameter list to child" (Jul  3, 12:23pm)
References:
 <1341310996.6679.140661097202637.0031FC7F@webmail.messagingengine.com>
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To: Ronald Fischer <ynnor@mm.st>, zsh-users@zsh.org
Subject: Re: [MAYBE SOLVED] passing modified parameter list to child
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On Jul 3, 12:23pm, Ronald Fischer wrote:
}
} if [[ ${@[-1]:--} != -* ]] # If last argument is present, but does not
} start with a dash
} then
}    argv[-1]=--use=${@[-1]}
} fi
} slave "$@"

To cover the case of no arguments at all, here's a tweak to the answer
I posted yesterday:

    setopt extendedglob
    (( $# )) && argv[-1]="${argv[-1]/(#s)(#b)([^-])/--use=$match[1]}"
    slave "$@"