RegistryOption does not show possible values with value_switches=False

[Aaron Bentley]

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Adeodato Simó wrote:
> Hello.
> 
> I just noticed that if I create a RegistryOption with value_switches=False, 
> the help output for the command does not include a list of possible values
> for the option. Is this intentional?

Yes.

> How can the user know those values?

They should be manually included in the help, either in the body of the
command, or as a see also (like "see also revisionspec").

> Or is it believed that every RegistryOption in the bzr codebase should be
> using value_switches=True?

No, that is not the belief.

Aaron
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