[PATCH] emacs: tree: mark read change

[David Bremner]

Mark Walters <markwalters1009 at gmail.com> writes:

> The mark read code for tree mode did not get updated in the recent
> changes. This updates it to match. Since the user can customize the
> mark read logic we just call the show logic in the message pane.
> ---
>
> An alternative would be to mark any message explicitly viewed in
> tree-mode as read. That would be simpler but I think this is better as
> it deals with user customized mark read functions -- for example if
> the user has a customized function that only marks a message read if
> the whole message is viewed then this version will do the same in tree
> mode.

At first I was leery of the chaining of hooks, but now that I
noticed/experienced the bug, it makes more sense to me.  I'm considering
rolling a bug fix release with this (I imagine the bug is pretty
annoying for people using only notmuch-tree), so I'd like a bit more
feedback before merging it.

d