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From: Bart Schaefer <schaefer@brasslantern.com>
Message-Id: <161030131459.ZM16922@torch.brasslantern.com>
Date: Sun, 30 Oct 2016 13:14:59 -0700
In-Reply-To: <161030110455.ZM14677@torch.brasslantern.com>
Comments: In reply to Bart Schaefer <schaefer@brasslantern.com>
        "Re: [BUG] (z)-flag interrupts if $() in input" (Oct 30, 11:04am)
References: <1477809189.1509250.771544241.795E8177@webmail.messagingengine.com> 
	<20161030152525.GA12137@fujitsu.shahaf.local2> 
	<20161030170949.612551cf@ntlworld.com> 
	<161030110455.ZM14677@torch.brasslantern.com>
X-Mailer: OpenZMail Classic (0.9.2 24April2005)
To: zsh-workers@zsh.org
Subject: Re: [BUG] (z)-flag interrupts if $() in input
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On Oct 30, 11:04am, Bart Schaefer wrote:
}
} torch% a='x $(|||) y'
} torch% print -rl -- ${(z)a}
} x
} $(||
} torch% 

A little progress but not much.

If we look at this:

torch% echo x $(|||) y
zsh: parse error near `||'
zsh: parse error near `$(|||) y'

Note that we have one parse error inside $(...) and then another for
the whole expression.

It's the inner parse error that kills (z).  gettokstr() returns LEXERR
to bufferwords() and it stops building the array.  But ... even if I
force the token to STRING there to make the loop continue, the next
ctxlex() returns ENDINPUT with empty tokstr, so the result isn't changed.