slight workaround needed to use gnus-alias

[Sanjoy Mahajan]

On 2016-05-12 11:55, David Bremner <david at tethera.net> wrote:

>> (defun gnus-alias-ensure-message-mode ()
>>   "Assert that the current buffer is a message buffer."
>>   (when (not (derived-mode-p 'notmuch-message-mode))
>>     (gnus-alias-error "Must be in `message-mode' or mode derived from it. ")))
>> (add-hook 'message-setup-hook 'gnus-alias-determine-identity)
>
> Maybe upstream Emacs would accept something like that if it says
> "(derived-mode-p 'message-mode)".

Agreed!  That's what I meant to write (a yank bug somewhere along the line).

I am happy to ask upstream on the emacs list, unless you think it would
be more likely to be accepted if coming from notmuch developers.

-Sanjoy