[PATCH] emacs: Added "is:<tag>" style completion to notmuch-read-query.

[David Bremner]

David Bremner <david at tethera.net> writes:

> From: Charles Celerier <cceleri at cs.stanford.edu>
>
> The notmuch-search-terms man page states that "tag:<tag>" is equivalent
> to "is:<tag>". Completion for "is:<tag>" style searches is now supported
> in the Emacs interface.
>
> Amended by David Bremner: combine lexical-let and let into
> lexical-let*

Pushed. I had to resolve conflicts by hand, which is why I didn't merge
it for 0.20.

d