Indeed, Roger, an excellent explanation.  Thank you very much.

As a bit of background, the tutorial is written some years ago and I
have found the C++ standard has tightened a few things which has
enhanced my learning!  Also, the author uses MS VC++ even though the
book is aimed at the C++ standard of the time.  It's likely that the
code was not tested on Unix/Linux although sometimes he will note some
differences between the platforms which indicates some feedback if not
personal experience.  Fortunately, the tutorial is not MS VC++ centric
as near as I can tell.  It's likely, then, that the try{} block in the
program was able to intercept the exception on MS Windows at that time.

Thanks again.

- Nate >>

-- 

"The optimist proclaims that we live in the best of all
possible worlds.  The pessimist fears this is true."

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