On Wed, Oct 16 2013, Moritz Wilhelmy <mw+notmuch@barfooze.de> wrote:
> I've been wondering if it would be trivially possible or desired to add
> matching for arbitrary headers to the search terms supported by notmuch.

Hi, Moritz.  Arbitrary headers would be great, but definitely not
trivial.

> Also, what about matching for List-Id?

See id:1364996763-19718-1-git-send-email-raorn@raorn.name for a patch
that would implement just this feature.

jamie.