FromCGI warnings for non-required values

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I have looked at the code for this, and I think I have the answer, but just wanted to be sure that I'm not missing something.  When using FromCGI, I set up the "all," "required" and "ignore" lists.  All works as described, except I was wasn't expecting to find that values that were not required, generate a warning if they exist in the input data and are blank ("<field> does not untaint with default pattern").

It's clear that CGI::Untaint would generate this message, I just didn't expect FromCGI to pass it along, in the same way it screens the "No parameter for..." error.  Not that it's difficult to screen later.  I suppose that "<field> does not untaint with default pattern" has a wider meaning.  Anyway, this behaviour is intended, correct?

Thanks,
Pat