>> Now, if both src and dst not only refer to the same object but refer
>> to it via the same link, which is what I suspect that paragraph was
>> intended to cover, _then_ rename() should do nothing.  I'm not sure
>> how best to phrase this.  [...]
> You mean "rename 'name' 'name'" should do nothing?

Yes.  Or, assuming /sys -> /usr/src/sys, so should
rename("/sys/fnord","/usr/src/sys/fnord")

Or if the current directory is /tmp/englebert, so should
rename("../gonkulator","/tmp/gonkulator")

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