[PATCH 1/6] notmuch-show.c: add an option for messages to be returned unthreaded

[Tomi Ollila]

On Thu, Feb 27 2020, Mark Walters wrote:

> This adds a --unthreaded option to notmuch show to tell it to return
> the matching messages in an unthreaded order (so just by date).
>
> To make it easier for users, in particular for notmuch-tree.el, we
> output each message with the same "nesting" as if it were an entire
> thread in its own right.

Some spacing in this commit, but LGTM =D

Tomi