> I ran into something unusual and I've never heard of it
> before.  Through some quick testing, it seems as if trying to
> determine a variables existence within the CGI scope, whether
> using IsDefined() or StructKeyExists(), always returns YES.  
> Even if the variable doesn't exist in that scope.

This is intentional, documented behavior. I don't recall the exact
rationale, just that there was one.

Dave Watts, CTO, Fig Leaf Software
http://www.figleaf.com/
phone: 202-797-5496
fax: 202-797-5444
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