I have received a message with a somewhat strange message Id that is
causing problems in notmuch:

Message-Id: <4bd73e8cb3d79_1a3c..fb637ff610e@skinner.tmail>

Notmuch (or actually Xapian) seems to be interpreting the '..' as a
range operator, which it doesn't know how to handle:

0 servo$ notmuch search id:4bd73e8cb3d79_1a3c..fb637ff610e@skinner.tmail
A Xapian exception occurred performing query: Unknown range operation
Query string was: id:4bd73e8cb3d79_1a3c..fb637ff610e@skinner.tmail
0 servo$ 

This is causing problems for this message in the emacs UI as well.

Is it possible that the id string is not being properly quoted
internally?

jamie.