Originally Posted by JLem
... so that was my way of saying "Are you sure?"...
No, I'm not sure. But I'm pretty sure.
I regurgitate a lot of what I've learned on these here interwebs. I might have misunderstood good information I found, and I might be repeating bad information. As with everything else you read on this forum, or others, you will need to find multiple sources supporting an idea in order to have any confidence in its veracity. Wikipedia is a good place to start.
 And, in fact, you have me wondering now. It's such an easy thing to test. If only I didn't have so many kids, wives, jobs...