Comment 153 for bug 357864

(In reply to Ben Bucksch (:BenB) from comment #147)
> When I select an identity, click "Customize From Address", and edit it, I
> then can still select other identities, and they will apply. That's good.
> But when I select the same identity that I originally selected, I do not
> return to the original From address, but my edited one stays. That's odd.
> I'd argue that all dropdown entries should behave the same and reset the
> edit field's value. However, that's a minor thing and also debatable. I
> wouldn't hold the commit for that.

Not being able to reset an edited sender to its original state does not look like a minor issue to me.
How does this affect recycled compose windows?