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Nick Trout wrote:

How very interesting. I didn't know that either. From
(http://www.cs.oberlin.edu/classes/dragn/labs/control/control410.html)
:-

	"1. A proper tail recursive call to G never returns to its
caller F, yet the computation can proceed as though it had.
	2. From the point of view of control, a proper tail recursive
call is equivalent to a goto."


For those who enjoy history, here is a paper by John Reynolds:

http://citeseer.nj.nec.com/reynolds93discoveries.html

My fovorite quote is that of van Wijngaarden.