[Gaudenz Steinlin] Bug#810784: should match email adress case insensitive when sending encrypted mail

[David Edmondson]

On Mon, Feb 08 2016, David Edmondson wrote:
> On Fri, Jan 15 2016, Daniel Kahn Gillmor wrote:
>> So where is the case-insensitive lookup happening?  Is this a bug in
>> mml-mode, or in notmuch-emacs?
>
> It's caused by behaviour in mml2015.el (hence upstream).
>
> `mml2015-epg-check-user-id' uses `equal' to compare the recipient from
> the composition buffer with the addresses from the matching key.
>
> The simplest way to get the desired behaviour would be to `downcase'
> both strings before comparing.

Reported as bug#22603 in emacs.