Steven D'Aprano wrote:
Here's a thought experiment for you. You've suggested that the values
returned by cmp() are allowed to change "at whim". Okay, let's do it:
make a patch that changes cmp() to return -17, 0 or 53, and promise to
support it for at least three years. Try to get it accepted on python-
dev. What do you expect they will say?
My money is on them saying "No, this will pointlessly break code for no
good reason. Rejected."
I have occasionally thought that things documented to possibly change
*should* be changed just to expose the *bug* of depending on them not
changing. Or maybe, the doc should be changed.
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