Re: Default for the envelope From in smtpmail.el

[Nix]

On 5 Sep 2012, Stephen J. Turnbull uttered the following:

> Nix writes:
>
>  > Yes. As seen above, you can do it yourself, but you shouldn't need to,
>  > not really: like gnus-posting-styles, this should be something Gnus (or
>  > message mode) does for you.
>
> That would suck. :-)  Seriously, I don't use Gnus, and I don't always
> use message mode.  It's not like this kind of facility is Gnus-specific.

Well, at least Gnus needs to be able to talk to other modes, and if
message mode doesn't do it, who will? Substitute 'Gnus, or message mode,
or whatever weird modes exist for people who want to send messages some
other way', if you like, but I'm not sure this *can* be hardwired into
just smtpmail.el, and if it requires cooperation from other widely-used
modes, so be it.

> I understand why in practice every app has to reinvent these
> facilities for itself (this kind of refactoring is not amazingly fun
> work and all the benefit goes to third parties), but it's a shame.

What seems to happen is that significant packages (such as Gnus) sprout
modes for their own internal use that can then be reused by other
people, and are eventually split out of the significant packages into
their own thing. This requires a modicum of decent internal interface
design, but larsi has always shown himself equal to the task before now.

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