Making the case for repeat

[jkn]

> Possibly a *factoring*, without the "re-", just like Raymond said.
>
> Also, keep in mind that when creating a new API, you have no existing API
> to re-factor.

Exactly.

I think this has come up before, but I can't remember the answers; any
suggestions for pointer to examples of very well-designed APIs, and
maybe some background as to how the design was achieved?

    Thanks
    jon N