cleartext indexing, revision 6

[David Bremner]

Daniel Kahn Gillmor <dkg at fifthhorseman.net> writes:

> This is the 6th revision of the cleartext indexing series.
>
> It differs from the 5th mainly in minor edits: fixing typos and
> improving comments, documentation, and commit messages.  It also has
> the following (slightly more) significant changes:

My review of this series is complete.

I've pushed 3 of these patches, marked 5 as notmuch::moreinfo, meaning
some (possibly ignorable) comment sent, and marked 6 as notmuch::stale,
meaning they have been reviewed, but don't apply because of missing
patches.

d