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From: Bart Schaefer <schaefer@brasslantern.com>
Message-Id: <1030713172418.ZM4800@candle.brasslantern.com>
Date: Sun, 13 Jul 2003 17:24:18 +0000
In-Reply-To: <871xwvm9rf.fsf@ceramic.fifi.org>
Comments: In reply to Philippe Troin <phil@fifi.org>
        "Bug in ${(Q)...}" (Jul 12,  7:38pm)
References: <871xwvm9rf.fsf@ceramic.fifi.org>
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To: zsh-workers@sunsite.dk
Subject: Re: Bug in ${(Q)...}
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On Jul 12,  7:38pm, Philippe Troin wrote:
} Subject: Bug in ${(Q)...}
}
} % setopt extended_glob
} % echo $ZSH_VERSION "<${(Q)${$(print hello)/%hello#}}>"
} 4.0.6 < >
} 
} Shouldn't that be:
} 4.0.6 <>
} 
} (no space)

This is indeed a bug.  No process substitution required:

schaefer<501> x=(hello)
schaefer<502> setopt extendedglob
schaefer<503> echo $ZSH_VERSION "<${(Q)${${x}/%hello#}}>"
4.1.1-dev-1 < >

But it's not arrays, either, which I initially thought it was:

schaefer<505> x=hello
schaefer<506> echo $ZSH_VERSION "<${(Q)${${x}/%hello#}}>"
4.1.1-dev-1 < >
schaefer<507> echo $ZSH_VERSION "<${(Q)${x/%hello#}}>" 
4.1.1-dev-1 < >

So I'm not sure if this is really a problem with (Q) in paramsubst(), or
if it's deeper, in parse_subst_string(), and it just happens that (Q)
makes it visible.