current time:
$(date +%s -d 2009-10-01)..$(date +%s)
+.SH ENVIRONMENT VARIABLES
+.IP NOTMUCH_CONFIG
+Specifies the location of the configuration file to override the default of
+.IR ~/.notmuch-config .
.SH SEE ALSO
The emacs-based interface to notmuch (available as
.B notmuch.el