do...while vs. repeat...until (was: Errors aren't that simple)

[Peter da Silva]

The only sense in which repeat...until is more natural than do...while is
if you're an assembly programmer or compiler writer. In that case they
both use tests that code to:

	expr	ession,that
	eval	uates,to
	a	true
	or	false,value

	bzero	label

which means you can save a single argument to your "generate-conditional-
branch" subroutine. Wow.
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