[PATCH] cli/help: give a hint about notmuch-emacs-mua

[Daniel Kahn Gillmor]

On Thu 2017-10-26 18:27:51 -0400, Daniel Kahn Gillmor wrote:
> "notmuch help" doesn't mention "notmuch-emacs-mua" even though we
> support it through the try_external_command() mechanism.
>
> In addition, "notmuch help emacs-mua" doesn't work, even though we
> ship the appropriate manpage.
>
> This changeset fixes both of these problems.

Ping!  i don't think this patch is complex or objectionable.  Can it be
merged?

        --dkg