On Wed, 13 Sep 2000 13:56:53 -0700, Peter Scott wrote:

>I would rather solve this by requiring that Perl identify the thing that 
>was undef than what you propose below.  Surely it can't be that hard.

Fine by me.

Only, AFAIK, Perl is only aware of "values", not of "variables".

-- 
        Bart.

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