Re: [exim] defined and Exim::expand_string ('$variable')

On Fri, Apr 5, 2013 at 7:52 AM, deisler <deisler@???> wrote:
> if (defined Exim::expand_string('$acl_m_helo_check_a')) {

> ||$acl_m_helo_check_a don't defined, but perl think what
> ||$acl_m_helo_check_a defined.
> Why does defined function in perl receives this value?

I have not looked at the code, but I suspect that expand_string()
returns '' instead of undef. '' is the empty string and passes the if
defined test.

...Todd
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