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Date: Wed, 27 Feb 2008 09:35:40 -0500
From: Clint Adams <schizo@debian.org>
To: Frederik Eaton <frederik@ofb.net>, 466655@bugs.debian.org
Cc: zsh-workers@sunsite.dk
Subject: Re: Bug#466655: the expression {x=(); echo ${+x[(r)blah]}} changes
	meaning between 4.3.2 and current version
Message-ID: <20080227143540.GB8314@scowler.net>
Mail-Followup-To: Frederik Eaton <frederik@ofb.net>, 466655@bugs.debian.org,
	zsh-workers@sunsite.dk
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On Wed, Feb 20, 2008 at 07:09:05AM +0000, Frederik Eaton wrote:
> Hello, one of my scripts has broken because of the following change:
> 
> $ zsh --version
> zsh 4.3.2 (i686-pc-linux-gnu)
> $ x=(); echo ${+x[(r)blah]}
> 0
> 
> $ zsh --version
> zsh 4.3.5 (i686-pc-linux-gnu)
> $ x=(); echo ${+x[(r)blah]}
> 1
> 
> Is the behaviour of zsh's parameter expansion supposed to be stable?

I think this is related to 23273*

* http://www.zsh.org/mla/workers/2007/msg00194.html