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Re: Unset array doesn't work


From: Chet Ramey
Subject: Re: Unset array doesn't work
Date: Fri, 2 Mar 2018 14:49:42 -0500
User-agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.12; rv:52.0) Gecko/20100101 Thunderbird/52.6.0

On 2/28/18 5:38 PM, Robert Elz wrote:

> I would change "appear" to "be" in the description of the current scope
> behaviour.

Now we're straying into semantics. If the variable were `really' unset,
as opposed to just appearing unset, that could be construed as meaning
the global instance (or any previous local instances) would be gone, too.
I could see pairing it with text that says the variable at the current or
nearest previous instance is unset and remains so until that function
returns.

Chet
-- 
``The lyf so short, the craft so long to lerne.'' - Chaucer
                 ``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, UTech, CWRU    address@hidden    http://tiswww.cwru.edu/~chet/



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