[PATCH 03/23] cli: implement structured output version 4

[David Bremner]

David Bremner <david at tethera.net> writes:

> Since the error field is unused by the emacs front end, no changes are
> needed other than bumping the format version number.
>
> As it is, this is a bit overengineered, but it will reduce duplication
> when we support gmime 3.0

pushed the first 3 patches.

I know I said I was waiting for more review on this series, I guess I
mean the second half of the series. The first half is mostly test suite
stuff.

d