>So the lesson was just because something worked fine yesterday
>doesn't mean that it is still ok today. I find it amazing how
>many people refuse to believe that something that worked
>yesterday quit working today.

Perhaps you need to get some copies of the book from here
http://www.debuggingrules.com/ to distribute.

>I'll try to remember some of *my* more interesting mistakes
>(there are lots to pick from!)

I know that feeling.

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