Re: "unset var" pops var off variable stack instead of unsetting it

[Chet Ramey]

On 3/17/17 6:35 PM, Dan Douglas wrote:

> The problem is the non-obvious nature of unset's interaction with scope,
> (and the lack of documentation). Not much can be done about the former,
> as it is with so many things.

How would you suggest improving the documentation? I can see highlighting
the fact that unset applied to a local variable at the same scope
preserves the local attribute. What else?


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