On Thu, May 13, 2021 at 10:28 AM Antoine Pitrou <anto...@python.org> wrote:
> > I agree that <optional> is a reasonable spelling. > > I initially suggested <optional>, but now I'm not sure because it doesn't indicate what happens when you don't provide it (as in, what is the default value). So now I'm with <derived> or <implicit>. The arg is only there for backwards compatibility now.
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