Breaking a really long thread

[Daniel Kahn Gillmor]

On Tue 2016-04-05 01:28:43 -0400, David Mazieres wrote:
> Arguably, I would say either both the In-Reply-To and the References
> header should be hidden or neither.  Otherwise, what was happening is
> that I was deleting the In-Reply-To header as it was the only one I saw,
> and figuring that maybe References was adjusted after the fact based on
> In-Reply-To.  After all, the message buffer doesn't keep track of the
> parent message.
>
> Unless there's a reason that someone would want to alter In-Reply-To
> without altering References, it doesn't make sense to show one without
> the other.

I think i agree with David here, but the fact is that
message-hidden-headers is derived directly from emacs (in message.el),
and isn't part of notmuch-emacs at all.

Are these changes worth addressing upstream?

    --dkg