[PATCH] Document emacs keybindings

[David Bremner]

Mark Walters <markwalters1009 at gmail.com> writes:

> This adds a file under devel listing all the keybindings sorted by key
> in the main three modes (search, show and tree).
>
> This should make easier to see what keybindings are available when
> adding new features.

this seems fine to me, although it's already out of date (at least M-=
is missing). On the topic of M-=, hopefully nobody wants to count the
words in an email received, as this shadows count-words-region

d