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From: Zoltan Hidvegi <hzoli@cs.elte.hu>
Message-Id: <199611272320.AAA00604@hzoli.ppp.cs.elte.hu>
Subject: Re: Is ${} supported?
To: aheading@jpmorgan.com (Anthony Heading)
Date: Thu, 28 Nov 1996 00:20:10 +0100 (MET)
Cc: zsh-workers@math.gatech.edu
In-Reply-To: <199611270920.JAA24482@et-sun4.uk.jpmorgan.com> from Anthony Heading at "Nov 27, 96 09:20:41 am"
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> The "null" parameter seems useful to allow the following sort of thing:
> 
> % echo ${(j/+/):-{one,two,three}}
> one+two+three
> 
> But does it only work by accident, or can it be relied on?  Should
> it be documented?

It can be relied on.  I suspect that I have several scripts relying on
that.  It should be documented of course.

Zoltan